Merge branch '2019-07-26-ti-imports'

- Bring in the rest of the J271E platform
- Various OMAP3/AM3517, DA850 fixes

arch/arm/dts/Makefile

@@ -773,6 +773,8 @@ dtb-$(CONFIG_TARGET_STM32MP1) += \
 	stm32mp157c-ev1.dtb
 
 dtb-$(CONFIG_SOC_K3_AM6) += k3-am654-base-board.dtb k3-am654-r5-base-board.dtb
+dtb-$(CONFIG_SOC_K3_J721E) += k3-j721e-common-proc-board.dtb \
+			      k3-j721e-r5-common-proc-board.dtb
 
 dtb-$(CONFIG_ARCH_MEDIATEK) += \
 	mt7623n-bananapi-bpi-r2.dtb \

arch/arm/dts/am3517-evm-u-boot.dtsi

@@ -4,20 +4,40 @@
  * Logic PD - http://www.logicpd.com
  */
 
+#include "omap3-u-boot.dtsi"
+
 / {
-	chosen {
+	aliases {
-		stdout-path = &uart3;
+		/delete-property/ serial0;
+		/delete-property/ serial1;
+	};
+
+	ocp@68000000 {
+		/delete-node/ bandgap@48002524;
 	};
 };
 
-&uart1 {
+&gpio1 {
-	reg-shift = <2>;
+	/delete-property/ u-boot,dm-spl;
 };
 
-&uart2 {
+&gpio2 {
-	reg-shift = <2>;
+	/delete-property/ u-boot,dm-spl;
 };
 
-&uart3 {
+&gpio3 {
-	reg-shift = <2>;
+	/delete-property/ u-boot,dm-spl;
 };
+
+&gpio5 {
+	/delete-property/ u-boot,dm-spl;
+};
+
+&gpio6 {
+	/delete-property/ u-boot,dm-spl;
+};
+
+/delete-node/ &uart1;
+/delete-node/ &uart2;
+/delete-node/ &mmc2;
+/delete-node/ &mmc3;

arch/arm/dts/am571x-idk.dts

@@ -11,6 +11,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include "am57xx-idk-common.dtsi"
+#include "dra7-mmc-iodelay.dtsi"
 #include "dra72x-mmc-iodelay.dtsi"
 
 / {
@@ -101,14 +102,9 @@
 };
 
 &mmc1 {
-	pinctrl-names = "default", "hs", "sdr12", "sdr25", "sdr50", "ddr50", "sdr104";
+	pinctrl-names = "default", "hs";
-	pinctrl-0 = <&mmc1_pins_default>;
+	pinctrl-0 = <&mmc1_pins_default_no_clk_pu>;
 	pinctrl-1 = <&mmc1_pins_hs>;
-	pinctrl-2 = <&mmc1_pins_sdr12>;
-	pinctrl-3 = <&mmc1_pins_sdr25>;
-	pinctrl-4 = <&mmc1_pins_sdr50>;
-	pinctrl-5 = <&mmc1_pins_ddr50_rev20 &mmc1_iodelay_ddr50_conf>;
-	pinctrl-6 = <&mmc1_pins_sdr104 &mmc1_iodelay_sdr104_rev20_conf>;
 };
 
 &mmc2 {

arch/arm/dts/am572x-idk.dts

@@ -11,6 +11,7 @@
 #include "dra74x.dtsi"
 #include "am572x-idk-common.dtsi"
 #include "am57xx-idk-common.dtsi"
+#include "dra7-mmc-iodelay.dtsi"
 #include "dra74x-mmc-iodelay.dtsi"
 
 / {
@@ -20,14 +21,9 @@
 };
 
 &mmc1 {
-	pinctrl-names = "default", "hs", "sdr12", "sdr25", "sdr50", "ddr50", "sdr104";
+	pinctrl-names = "default", "hs";
-	pinctrl-0 = <&mmc1_pins_default>;
+	pinctrl-0 = <&mmc1_pins_default_no_clk_pu>;
 	pinctrl-1 = <&mmc1_pins_hs>;
-	pinctrl-2 = <&mmc1_pins_sdr12>;
-	pinctrl-3 = <&mmc1_pins_sdr25>;
-	pinctrl-4 = <&mmc1_pins_sdr50>;
-	pinctrl-5 = <&mmc1_pins_ddr50 &mmc1_iodelay_ddr_rev20_conf>;
-	pinctrl-6 = <&mmc1_pins_sdr104 &mmc1_iodelay_sdr104_rev20_conf>;
 };
 
 &mmc2 {

arch/arm/dts/am574x-idk.dts

@@ -7,6 +7,8 @@
 /dts-v1/;
 
 #include "dra76x.dtsi"
+#include "dra7-mmc-iodelay.dtsi"
+#include "dra76x-mmc-iodelay.dtsi"
 #include "am572x-idk-common.dtsi"
 
 / {
@@ -20,3 +22,16 @@
 		spi-max-frequency = <96000000>;
 	};
 };
+
+&mmc1 {
+	pinctrl-names = "default", "hs";
+	pinctrl-0 = <&mmc1_pins_default_no_clk_pu>;
+	pinctrl-1 = <&mmc1_pins_hs>;
+};
+
+&mmc2 {
+	pinctrl-names = "default", "hs", "ddr_1_8v";
+	pinctrl-0 = <&mmc2_pins_default>;
+	pinctrl-1 = <&mmc2_pins_default>;
+	pinctrl-2 = <&mmc2_pins_default>;
+};

arch/arm/dts/am57xx-beagle-x15-common.dtsi

@@ -433,6 +433,7 @@
 
 	bus-width = <4>;
 	cd-gpios = <&gpio6 27 GPIO_ACTIVE_LOW>; /* gpio 219 */
+	no-1-8-v;
 };
 
 &mmc2 {

arch/arm/dts/am57xx-beagle-x15-revb1.dts

@@ -19,14 +19,9 @@
 };
 
 &mmc1 {
-	pinctrl-names = "default", "hs", "sdr12", "sdr25", "sdr50", "ddr50", "sdr104";
+	pinctrl-names = "default", "hs";
 	pinctrl-0 = <&mmc1_pins_default>;
 	pinctrl-1 = <&mmc1_pins_hs>;
-	pinctrl-2 = <&mmc1_pins_sdr12>;
-	pinctrl-3 = <&mmc1_pins_sdr25>;
-	pinctrl-4 = <&mmc1_pins_sdr50>;
-	pinctrl-5 = <&mmc1_pins_ddr50 &mmc1_iodelay_ddr_rev11_conf>;
-	pinctrl-6 = <&mmc1_pins_sdr104 &mmc1_iodelay_sdr104_rev11_conf>;
 	vmmc-supply = <&vdd_3v3>;
 	vqmmc-supply = <&ldo1_reg>;
 };

arch/arm/dts/am57xx-beagle-x15-revc.dts

@@ -19,14 +19,9 @@
 };
 
 &mmc1 {
-	pinctrl-names = "default", "hs", "sdr12", "sdr25", "sdr50", "ddr50", "sdr104";
+	pinctrl-names = "default", "hs";
 	pinctrl-0 = <&mmc1_pins_default>;
 	pinctrl-1 = <&mmc1_pins_hs>;
-	pinctrl-2 = <&mmc1_pins_sdr12>;
-	pinctrl-3 = <&mmc1_pins_sdr25>;
-	pinctrl-4 = <&mmc1_pins_sdr50>;
-	pinctrl-5 = <&mmc1_pins_ddr50 &mmc1_iodelay_ddr_rev20_conf>;
-	pinctrl-6 = <&mmc1_pins_sdr104 &mmc1_iodelay_sdr104_rev20_conf>;
 	vmmc-supply = <&vdd_3v3>;
 	vqmmc-supply = <&ldo1_reg>;
 };

arch/arm/dts/am57xx-idk-common.dtsi

@@ -405,6 +405,7 @@
 	vqmmc-supply = <&ldo1_reg>;
 	bus-width = <4>;
 	cd-gpios = <&gpio6 27 GPIO_ACTIVE_LOW>; /* gpio 219 */
+	no-1-8-v;
 };
 
 &mmc2 {

arch/arm/dts/dra7-mmc-iodelay.dtsi

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * MMC IOdelay values for TI's DRA7xx SoCs.
+ * Copyright (C) 2019 Texas Instruments
+ * Author: Faiz Abbas <faiz_abbas@ti.com>
+ */
+
+&dra7_pmx_core {
+	mmc1_pins_default_no_clk_pu: mmc1_pins_default_no_clk_pu {
+		pinctrl-single,pins = <
+			DRA7XX_CORE_IOPAD(0x3754, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mmc1_clk.clk */
+			DRA7XX_CORE_IOPAD(0x3758, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_cmd.cmd */
+			DRA7XX_CORE_IOPAD(0x375c, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat0.dat0 */
+			DRA7XX_CORE_IOPAD(0x3760, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat1.dat1 */
+			DRA7XX_CORE_IOPAD(0x3764, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat2.dat2 */
+			DRA7XX_CORE_IOPAD(0x3768, PIN_INPUT_PULLUP | MUX_MODE0) /* mmc1_dat3.dat3 */
+		>;
+	};
+};

arch/arm/dts/dra76x-mmc-iodelay.dtsi

@@ -22,7 +22,7 @@
  *
  * Datamanual Revisions:
  *
- * DRA76x Silicon Revision 1.0: SPRS993A, Revised July 2017
+ * DRA76x Silicon Revision 1.0: SPRS993E, Revised December 2018
  *
  */
 
@@ -169,25 +169,25 @@
 	/* Corresponds to MMC2_HS200_MANUAL1 in datamanual */
 	mmc2_iodelay_hs200_conf: mmc2_iodelay_hs200_conf {
 		pinctrl-pin-array = <
-			0x190 A_DELAY_PS(384) G_DELAY_PS(0)       /* CFG_GPMC_A19_OEN */
+			0x190 A_DELAY_PS(384) G_DELAY_PS(0)	/* CFG_GPMC_A19_OEN */
-			0x194 A_DELAY_PS(0) G_DELAY_PS(174)       /* CFG_GPMC_A19_OUT */
+			0x194 A_DELAY_PS(350) G_DELAY_PS(174)	/* CFG_GPMC_A19_OUT */
-			0x1a8 A_DELAY_PS(410) G_DELAY_PS(0)       /* CFG_GPMC_A20_OEN */
+			0x1a8 A_DELAY_PS(410) G_DELAY_PS(0)	/* CFG_GPMC_A20_OEN */
-			0x1ac A_DELAY_PS(85) G_DELAY_PS(0)        /* CFG_GPMC_A20_OUT */
+			0x1ac A_DELAY_PS(335) G_DELAY_PS(0)	/* CFG_GPMC_A20_OUT */
-			0x1b4 A_DELAY_PS(468) G_DELAY_PS(0)       /* CFG_GPMC_A21_OEN */
+			0x1b4 A_DELAY_PS(468) G_DELAY_PS(0)	/* CFG_GPMC_A21_OEN */
-			0x1b8 A_DELAY_PS(139) G_DELAY_PS(0)       /* CFG_GPMC_A21_OUT */
+			0x1b8 A_DELAY_PS(339) G_DELAY_PS(0)	/* CFG_GPMC_A21_OUT */
-			0x1c0 A_DELAY_PS(676) G_DELAY_PS(0)       /* CFG_GPMC_A22_OEN */
+			0x1c0 A_DELAY_PS(676) G_DELAY_PS(0)	/* CFG_GPMC_A22_OEN */
-			0x1c4 A_DELAY_PS(69) G_DELAY_PS(0)        /* CFG_GPMC_A22_OUT */
+			0x1c4 A_DELAY_PS(219) G_DELAY_PS(0)	/* CFG_GPMC_A22_OUT */
-			0x1d0 A_DELAY_PS(1062) G_DELAY_PS(154)	  /* CFG_GPMC_A23_OUT */
+			0x1d0 A_DELAY_PS(1062) G_DELAY_PS(154)	/* CFG_GPMC_A23_OUT */
-			0x1d8 A_DELAY_PS(640) G_DELAY_PS(0)       /* CFG_GPMC_A24_OEN */
+			0x1d8 A_DELAY_PS(640) G_DELAY_PS(0)	/* CFG_GPMC_A24_OEN */
-			0x1dc A_DELAY_PS(0) G_DELAY_PS(0)         /* CFG_GPMC_A24_OUT */
+			0x1dc A_DELAY_PS(150) G_DELAY_PS(0)	/* CFG_GPMC_A24_OUT */
-			0x1e4 A_DELAY_PS(356) G_DELAY_PS(0)       /* CFG_GPMC_A25_OEN */
+			0x1e4 A_DELAY_PS(356) G_DELAY_PS(0)	/* CFG_GPMC_A25_OEN */
-			0x1e8 A_DELAY_PS(0) G_DELAY_PS(0)         /* CFG_GPMC_A25_OUT */
+			0x1e8 A_DELAY_PS(150) G_DELAY_PS(0)	/* CFG_GPMC_A25_OUT */
-			0x1f0 A_DELAY_PS(579) G_DELAY_PS(0)       /* CFG_GPMC_A26_OEN */
+			0x1f0 A_DELAY_PS(579) G_DELAY_PS(0)	/* CFG_GPMC_A26_OEN */
-			0x1f4 A_DELAY_PS(0) G_DELAY_PS(0)         /* CFG_GPMC_A26_OUT */
+			0x1f4 A_DELAY_PS(200) G_DELAY_PS(0)	/* CFG_GPMC_A26_OUT */
-			0x1fc A_DELAY_PS(435) G_DELAY_PS(0)       /* CFG_GPMC_A27_OEN */
+			0x1fc A_DELAY_PS(435) G_DELAY_PS(0)	/* CFG_GPMC_A27_OEN */
-			0x200 A_DELAY_PS(36) G_DELAY_PS(0)        /* CFG_GPMC_A27_OUT */
+			0x200 A_DELAY_PS(236) G_DELAY_PS(0)	/* CFG_GPMC_A27_OUT */
-			0x364 A_DELAY_PS(759) G_DELAY_PS(0)       /* CFG_GPMC_CS1_OEN */
+			0x364 A_DELAY_PS(759) G_DELAY_PS(0)	/* CFG_GPMC_CS1_OEN */
-			0x368 A_DELAY_PS(72) G_DELAY_PS(0)        /* CFG_GPMC_CS1_OUT */
+			0x368 A_DELAY_PS(372) G_DELAY_PS(0)	/* CFG_GPMC_CS1_OUT */
 	      >;
 	};
 

arch/arm/dts/k3-am65-main.dtsi

@@ -89,7 +89,7 @@
 	sdhci0: sdhci@4f80000 {
 		compatible = "ti,am654-sdhci-5.1";
 		reg = <0x0 0x4f80000 0x0 0x260>, <0x0 0x4f90000 0x0 0x134>;
-		power-domains = <&k3_pds 47>;
+		power-domains = <&k3_pds 47 TI_SCI_PD_EXCLUSIVE>;
 		clocks = <&k3_clks 47 0>, <&k3_clks 47 1>;
 		clock-names = "clk_ahb", "clk_xin";
 		interrupts = <GIC_SPI 136 IRQ_TYPE_LEVEL_HIGH>;
@@ -108,7 +108,7 @@
 		#size-cells = <0>;
 		clock-names = "fck";
 		clocks = <&k3_clks 110 1>;
-		power-domains = <&k3_pds 110>;
+		power-domains = <&k3_pds 110 TI_SCI_PD_EXCLUSIVE>;
 	};
 
 	main_i2c1: i2c@2010000 {
@@ -119,7 +119,7 @@
 		#size-cells = <0>;
 		clock-names = "fck";
 		clocks = <&k3_clks 111 1>;
-		power-domains = <&k3_pds 111>;
+		power-domains = <&k3_pds 111 TI_SCI_PD_EXCLUSIVE>;
 	};
 
 	main_i2c2: i2c@2020000 {
@@ -130,7 +130,7 @@
 		#size-cells = <0>;
 		clock-names = "fck";
 		clocks = <&k3_clks 112 1>;
-		power-domains = <&k3_pds 112>;
+		power-domains = <&k3_pds 112 TI_SCI_PD_EXCLUSIVE>;
 	};
 
 	main_i2c3: i2c@2030000 {
@@ -141,6 +141,6 @@
 		#size-cells = <0>;
 		clock-names = "fck";
 		clocks = <&k3_clks 113 1>;
-		power-domains = <&k3_pds 113>;
+		power-domains = <&k3_pds 113 TI_SCI_PD_EXCLUSIVE>;
 	};
 };

arch/arm/dts/k3-am65-mcu.dtsi

@@ -24,6 +24,6 @@
 		#size-cells = <0>;
 		clock-names = "fck";
 		clocks = <&k3_clks 114 1>;
-		power-domains = <&k3_pds 114>;
+		power-domains = <&k3_pds 114 TI_SCI_PD_EXCLUSIVE>;
 	};
 };

arch/arm/dts/k3-am65-wakeup.dtsi

@@ -20,7 +20,7 @@
 
 		k3_pds: power-controller {
 			compatible = "ti,sci-pm-domain";
-			#power-domain-cells = <1>;
+			#power-domain-cells = <2>;
 		};
 
 		k3_clks: clocks {
@@ -60,6 +60,6 @@
 		#size-cells = <0>;
 		clock-names = "fck";
 		clocks = <&k3_clks 115 1>;
-		power-domains = <&k3_pds 115>;
+		power-domains = <&k3_pds 115 TI_SCI_PD_EXCLUSIVE>;
 	};
 };

arch/arm/dts/k3-am65.dtsi

@@ -9,6 +9,7 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/pinctrl/k3.h>
+#include <dt-bindings/soc/ti,sci_pm_domain.h>
 
 / {
 	model = "Texas Instruments K3 AM654 SoC";

arch/arm/dts/k3-am654-base-board-u-boot.dtsi

@@ -26,7 +26,7 @@
 		reg = <0x0 0x4FA0000 0x0 0x1000>,
 		      <0x0 0x4FB0000 0x0 0x400>;
 		clocks = <&k3_clks 48 1>;
-		power-domains = <&k3_pds 48>;
+		power-domains = <&k3_pds 48 TI_SCI_PD_EXCLUSIVE>;
 		max-frequency = <25000000>;
 		ti,otap-del-sel = <0x2>;
 		ti,trm-icp = <0x8>;

arch/arm/dts/k3-am654-ddr.dtsi

@@ -11,8 +11,8 @@
 		      <0x0 0x02988000 0x0 0x2000>;
 		reg-names = "ss", "ctl", "phy";
 		clocks = <&k3_clks 20 0>;
-		power-domains = <&k3_pds 20>,
+		power-domains = <&k3_pds 20 TI_SCI_PD_SHARED>,
-				<&k3_pds 244>;
+				<&k3_pds 244 TI_SCI_PD_SHARED>;
 		assigned-clocks = <&k3_clks 20 1>;
 		assigned-clock-rates = <DDR_PLL_FREQUENCY>;
 		u-boot,dm-spl;

arch/arm/dts/k3-am654-r5-base-board.dts

@@ -32,8 +32,8 @@
 	a53_0: a53@0 {
 		compatible = "ti,am654-rproc";
 		reg = <0x0 0x00a90000 0x0 0x10>;
-		power-domains = <&k3_pds 61>,
+		power-domains = <&k3_pds 61 TI_SCI_PD_EXCLUSIVE>,
-				<&k3_pds 202>;
+				<&k3_pds 202 TI_SCI_PD_EXCLUSIVE>;
 		resets = <&k3_reset 202 0>;
 		assigned-clocks = <&k3_clks 202 0>;
 		assigned-clock-rates = <800000000>;
@@ -118,6 +118,10 @@
 	status = "okay";
 };
 
+&main_uart0 {
+	power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
+};
+
 &wkup_pmx0 {
 	u-boot,dm-spl;
 	wkup_uart0_pins_default: wkup_uart0_pins_default {

arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+/ {
+	chosen {
+		stdout-path = "serial2:115200n8";
+		tick-timer = &timer1;
+	};
+};
+
+&cbass_main{
+	u-boot,dm-spl;
+};
+
+&cbass_mcu_wakeup {
+	u-boot,dm-spl;
+
+	timer1: timer@40400000 {
+		compatible = "ti,omap5430-timer";
+		reg = <0x0 0x40400000 0x0 0x80>;
+		ti,timer-alwon;
+		clock-frequency = <25000000>;
+		u-boot,dm-spl;
+	};
+};
+
+&secure_proxy_main {
+	u-boot,dm-spl;
+};
+
+&dmsc {
+	u-boot,dm-spl;
+	k3_sysreset: sysreset-controller {
+		compatible = "ti,sci-sysreset";
+		u-boot,dm-spl;
+	};
+};
+
+&k3_pds {
+	u-boot,dm-spl;
+};
+
+&k3_clks {
+	u-boot,dm-spl;
+};
+
+&k3_reset {
+	u-boot,dm-spl;
+};
+
+&wkup_pmx0 {
+	u-boot,dm-spl;
+};
+
+&main_pmx0 {
+	u-boot,dm-spl;
+};
+
+&main_uart0 {
+	u-boot,dm-spl;
+};
+
+&mcu_uart0 {
+	u-boot,dm-spl;
+};
+
+&main_sdhci0 {
+	u-boot,dm-spl;
+};
+
+&main_sdhci1 {
+	u-boot,dm-spl;
+};

arch/arm/dts/k3-j721e-common-proc-board.dts

@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+/dts-v1/;
+
+#include "k3-j721e-som-p0.dtsi"
+
+/ {
+	chosen {
+		stdout-path = "serial2:115200n8";
+		bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000";
+	};
+};
+
+&wkup_uart0 {
+	/* Wakeup UART is used by System firmware */
+	status = "disabled";
+};
+
+&main_uart3 {
+	/* UART not brought out */
+	status = "disabled";
+};
+
+&main_uart5 {
+	/* UART not brought out */
+	status = "disabled";
+};
+
+&main_uart6 {
+	/* UART not brought out */
+	status = "disabled";
+};
+
+&main_uart7 {
+	/* UART not brought out */
+	status = "disabled";
+};
+
+&main_uart8 {
+	/* UART not brought out */
+	status = "disabled";
+};
+
+&main_uart9 {
+	/* UART not brought out */
+	status = "disabled";
+};
+
+&main_sdhci0 {
+	/* eMMC */
+	voltage-ranges = <1800 1800>;
+	non-removable;
+	ti,driver-strength-ohm = <50>;
+};
+
+&main_sdhci1 {
+	/* SD/MMC */
+	voltage-ranges = <1800 1800 3300 3300>;
+	ti,driver-strength-ohm = <50>;
+};

arch/arm/dts/k3-j721e-main.dtsi

@@ -0,0 +1,231 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for J721E SoC Family Main Domain peripherals
+ *
+ * Copyright (C) 2016-2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+&cbass_main {
+	msmc_ram: sram@70000000 {
+		compatible = "mmio-sram";
+		reg = <0x0 0x70000000 0x0 0x800000>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x0 0x70000000 0x800000>;
+
+		atf-sram@0 {
+			reg = <0x0 0x20000>;
+		};
+	};
+
+	gic500: interrupt-controller@1800000 {
+		compatible = "arm,gic-v3";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		#interrupt-cells = <3>;
+		interrupt-controller;
+		reg = <0x00 0x01800000 0x00 0x10000>,	/* GICD */
+		      <0x00 0x01900000 0x00 0x100000>;	/* GICR */
+
+		/* vcpumntirq: virtual CPU interface maintenance interrupt */
+		interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+
+		gic_its: gic-its@18200000 {
+			compatible = "arm,gic-v3-its";
+			reg = <0x00 0x01820000 0x00 0x10000>;
+			socionext,synquacer-pre-its = <0x1000000 0x400000>;
+			msi-controller;
+			#msi-cells = <1>;
+		};
+	};
+
+	smmu0: smmu@36600000 {
+		compatible = "arm,smmu-v3";
+		reg = <0x0 0x36600000 0x0 0x100000>;
+		interrupt-parent = <&gic500>;
+		interrupts = <GIC_SPI 772 IRQ_TYPE_EDGE_RISING>,
+			     <GIC_SPI 768 IRQ_TYPE_EDGE_RISING>;
+		interrupt-names = "eventq", "gerror";
+		#iommu-cells = <1>;
+	};
+
+	secure_proxy_main: mailbox@32c00000 {
+		compatible = "ti,am654-secure-proxy";
+		#mbox-cells = <1>;
+		reg-names = "target_data", "rt", "scfg";
+		reg = <0x00 0x32c00000 0x00 0x100000>,
+		      <0x00 0x32400000 0x00 0x100000>,
+		      <0x00 0x32800000 0x00 0x100000>;
+		interrupt-names = "rx_011";
+		interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	main_pmx0: pinmux@11c000 {
+		compatible = "pinctrl-single";
+		/* Proxy 0 addressing */
+		reg = <0x0 0x11c000 0x0 0x2b4>;
+		#pinctrl-cells = <1>;
+		pinctrl-single,register-width = <32>;
+		pinctrl-single,function-mask = <0xffffffff>;
+	};
+
+	main_uart0: serial@2800000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x02800000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 192 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 146 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 146 0>;
+		clock-names = "fclk";
+	};
+
+	main_uart1: serial@2810000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x02810000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 278 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 278 0>;
+		clock-names = "fclk";
+	};
+
+	main_uart2: serial@2820000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x02820000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 279 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 279 0>;
+		clock-names = "fclk";
+	};
+
+	main_uart3: serial@2830000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x02830000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 195 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 280 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 280 0>;
+		clock-names = "fclk";
+	};
+
+	main_uart4: serial@2840000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x02840000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 281 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 281 0>;
+		clock-names = "fclk";
+	};
+
+	main_uart5: serial@2850000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x02850000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 282 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 282 0>;
+		clock-names = "fclk";
+	};
+
+	main_uart6: serial@2860000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x02860000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 283 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 283 0>;
+		clock-names = "fclk";
+	};
+
+	main_uart7: serial@2870000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x02870000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 199 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 284 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 284 0>;
+		clock-names = "fclk";
+	};
+
+	main_uart8: serial@2880000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x02880000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 248 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 285 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 285 0>;
+		clock-names = "fclk";
+	};
+
+	main_uart9: serial@2890000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x02890000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 286 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 286 0>;
+		clock-names = "fclk";
+	};
+
+	main_sdhci0: sdhci@4f80000 {
+		compatible = "ti,j721e-sdhci-8bit";
+		reg = <0x0 0x4f80000 0x0 0x1000>, <0x0 0x4f88000 0x0 0x400>;
+		interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
+		power-domains = <&k3_pds 91 TI_SCI_PD_EXCLUSIVE>;
+		clock-names = "clk_xin", "clk_ahb";
+		clocks = <&k3_clks 91 1>, <&k3_clks 91 0>;
+		assigned-clocks = <&k3_clks 91 1>;
+		assigned-clock-parents = <&k3_clks 91 2>;
+		bus-width = <8>;
+		ti,otap-del-sel = <0x2>;
+		ti,trm-icp = <0x8>;
+		dma-coherent;
+	};
+
+	main_sdhci1: sdhci@4fb0000 {
+		compatible = "ti,j721e-sdhci-4bit";
+		reg = <0x0 0x04fb0000 0x0 0x1000>, <0x0 0x4fb8000 0x0 0x400>;
+		interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
+		power-domains = <&k3_pds 92 TI_SCI_PD_EXCLUSIVE>;
+		clock-names = "clk_xin", "clk_ahb";
+		clocks = <&k3_clks 92 0>, <&k3_clks 92 5>;
+		assigned-clocks = <&k3_clks 92 0>;
+		assigned-clock-parents = <&k3_clks 92 1>;
+		ti,otap-del-sel = <0x2>;
+		ti,trm-icp = <0x8>;
+		dma-coherent;
+	};
+};

arch/arm/dts/k3-j721e-mcu-wakeup.dtsi

@@ -0,0 +1,72 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for J721E SoC Family MCU/WAKEUP Domain peripherals
+ *
+ * Copyright (C) 2016-2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+&cbass_mcu_wakeup {
+	dmsc: dmsc@44083000 {
+		compatible = "ti,k2g-sci";
+		ti,host-id = <12>;
+
+		mbox-names = "rx", "tx";
+
+		mboxes= <&secure_proxy_main 11>,
+			<&secure_proxy_main 13>;
+
+		reg-names = "debug_messages";
+		reg = <0x00 0x44083000 0x0 0x1000>;
+
+		k3_pds: power-controller {
+			compatible = "ti,sci-pm-domain";
+			#power-domain-cells = <2>;
+		};
+
+		k3_clks: clocks {
+			compatible = "ti,k2g-sci-clk";
+			#clock-cells = <2>;
+			ti,scan-clocks-from-dt;
+		};
+
+		k3_reset: reset-controller {
+			compatible = "ti,sci-reset";
+			#reset-cells = <2>;
+		};
+	};
+
+	wkup_pmx0: pinmux@4301c000 {
+		compatible = "pinctrl-single";
+		/* Proxy 0 addressing */
+		reg = <0x00 0x4301c000 0x00 0x178>;
+		#pinctrl-cells = <1>;
+		pinctrl-single,register-width = <32>;
+		pinctrl-single,function-mask = <0xffffffff>;
+	};
+
+	wkup_uart0: serial@42300000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x42300000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 897 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <48000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 287 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 287 0>;
+		clock-names = "fclk";
+	};
+
+	mcu_uart0: serial@40a00000 {
+		compatible = "ti,j721e-uart", "ti,am654-uart";
+		reg = <0x00 0x40a00000 0x00 0x100>;
+		reg-shift = <2>;
+		reg-io-width = <4>;
+		interrupts = <GIC_SPI 846 IRQ_TYPE_LEVEL_HIGH>;
+		clock-frequency = <96000000>;
+		current-speed = <115200>;
+		power-domains = <&k3_pds 149 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 149 0>;
+		clock-names = "fclk";
+	};
+};

arch/arm/dts/k3-j721e-r5-common-proc-board.dts

@@ -0,0 +1,141 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+/dts-v1/;
+
+#include "k3-j721e-som-p0.dtsi"
+
+/ {
+	aliases {
+		remoteproc0 = &sysctrler;
+		remoteproc1 = &a72_0;
+	};
+
+	chosen {
+		stdout-path = "serial2:115200n8";
+		tick-timer = &timer1;
+	};
+
+	a72_0: a72@0 {
+		compatible = "ti,am654-rproc";
+		reg = <0x0 0x00a90000 0x0 0x10>;
+		power-domains = <&k3_pds 61 TI_SCI_PD_EXCLUSIVE>,
+				<&k3_pds 202 TI_SCI_PD_EXCLUSIVE>;
+		resets = <&k3_reset 202 0>;
+		assigned-clocks = <&k3_clks 202 2>, <&k3_clks 61 1>;
+		assigned-clock-rates = <2000000000>, <200000000>;
+		ti,sci = <&dmsc>;
+		ti,sci-proc-id = <32>;
+		ti,sci-host-id = <10>;
+		u-boot,dm-spl;
+	};
+
+	clk_200mhz: dummy_clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <200000000>;
+		u-boot,dm-spl;
+	};
+};
+
+&cbass_mcu_wakeup {
+	mcu_secproxy: secproxy@28380000 {
+		u-boot,dm-spl;
+		compatible = "ti,am654-secure-proxy";
+		reg = <0x0 0x2a380000 0x0 0x80000>,
+		      <0x0 0x2a400000 0x0 0x80000>,
+		      <0x0 0x2a480000 0x0 0x80000>;
+		reg-names = "rt", "scfg", "target_data";
+		#mbox-cells = <1>;
+	};
+
+	sysctrler: sysctrler {
+		u-boot,dm-spl;
+		compatible = "ti,am654-system-controller";
+		mboxes= <&mcu_secproxy 4>, <&mcu_secproxy 5>;
+		mbox-names = "tx", "rx";
+	};
+};
+
+&dmsc {
+	mboxes= <&mcu_secproxy 8>, <&mcu_secproxy 6>, <&mcu_secproxy 5>;
+	mbox-names = "tx", "rx", "notify";
+	ti,host-id = <4>;
+	ti,secure-host;
+};
+
+&wkup_pmx0 {
+	wkup_uart0_pins_default: wkup_uart0_pins_default {
+		u-boot,dm-spl;
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0xa0, PIN_INPUT, 0) /* (J29) WKUP_UART0_RXD */
+			J721E_WKUP_IOPAD(0xa4, PIN_OUTPUT, 0) /* (J28) WKUP_UART0_TXD */
+		>;
+	};
+
+	mcu_uart0_pins_default: mcu_uart0_pins_default {
+		u-boot,dm-spl;
+		pinctrl-single,pins = <
+			J721E_WKUP_IOPAD(0xe8, PIN_INPUT, 0) /* (H29) WKUP_GPIO0_14.MCU_UART0_CTSn */
+			J721E_WKUP_IOPAD(0xec, PIN_OUTPUT, 0) /* (J27) WKUP_GPIO0_15.MCU_UART0_RTSn */
+			J721E_WKUP_IOPAD(0xe4, PIN_INPUT, 0) /* (H28) WKUP_GPIO0_13.MCU_UART0_RXD */
+			J721E_WKUP_IOPAD(0xe0, PIN_OUTPUT, 0) /* (G29) WKUP_GPIO0_12.MCU_UART0_TXD */
+		>;
+	};
+};
+
+&main_pmx0 {
+	main_uart0_pins_default: main_uart0_pins_default {
+		u-boot,dm-spl;
+		pinctrl-single,pins = <
+			J721E_IOPAD(0x1d4, PIN_INPUT, 1) /* (Y3) SPI1_CS0.UART0_CTSn */
+			J721E_IOPAD(0x1c0, PIN_OUTPUT, 1) /* (AA2) SPI0_CS0.UART0_RTSn */
+			J721E_IOPAD(0x1e8, PIN_INPUT, 0) /* (AB2) UART0_RXD */
+			J721E_IOPAD(0x1ec, PIN_OUTPUT, 0) /* (AB3) UART0_TXD */
+		>;
+	};
+};
+
+&wkup_uart0 {
+	u-boot,dm-spl;
+	pinctrl-names = "default";
+	pinctrl-0 = <&wkup_uart0_pins_default>;
+	status = "okay";
+};
+
+&mcu_uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcu_uart0_pins_default>;
+	status = "okay";
+};
+
+&main_uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_uart0_pins_default>;
+	status = "okay";
+	power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>;
+};
+
+&main_sdhci0 {
+	/delete-property/ power-domains;
+	/delete-property/ assigned-clocks;
+	/delete-property/ assigned-clock-parents;
+	clock-names = "clk_xin";
+	clocks = <&clk_200mhz>;
+	ti,driver-strength-ohm = <50>;
+	non-removable;
+	bus-width = <8>;
+};
+
+&main_sdhci1 {
+	/delete-property/ power-domains;
+	/delete-property/ assigned-clocks;
+	/delete-property/ assigned-clock-parents;
+	clock-names = "clk_xin";
+	clocks = <&clk_200mhz>;
+	ti,driver-strength-ohm = <50>;
+};
+
+#include "k3-j721e-common-proc-board-u-boot.dtsi"

arch/arm/dts/k3-j721e-som-p0.dtsi

@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+/dts-v1/;
+
+#include "k3-j721e.dtsi"
+
+/ {
+	memory@80000000 {
+		device_type = "memory";
+		/* 4G RAM */
+		reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
+		      <0x00000008 0x80000000 0x00000000 0x80000000>;
+	};
+
+	reserved_memory: reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		secure_ddr: optee@9e800000 {
+			reg = <0x00 0x9e800000 0x00 0x01800000>;
+			alignment = <0x1000>;
+			no-map;
+		};
+	};
+};

arch/arm/dts/k3-j721e.dtsi

@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree Source for J721E SoC Family
+ *
+ * Copyright (C) 2016-2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/pinctrl/k3.h>
+#include <dt-bindings/soc/ti,sci_pm_domain.h>
+
+/ {
+	model = "Texas Instruments K3 J721E SoC";
+	compatible = "ti,j721e";
+	interrupt-parent = <&gic500>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	aliases {
+		serial0 = &wkup_uart0;
+		serial1 = &mcu_uart0;
+		serial2 = &main_uart0;
+		serial3 = &main_uart1;
+		serial4 = &main_uart2;
+		serial5 = &main_uart3;
+		serial6 = &main_uart4;
+		serial7 = &main_uart5;
+		serial8 = &main_uart6;
+		serial9 = &main_uart7;
+		serial10 = &main_uart8;
+		serial11 = &main_uart9;
+	};
+
+	chosen { };
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		cpu-map {
+			cluster0: cluster0 {
+				core0 {
+					cpu = <&cpu0>;
+				};
+
+				core1 {
+					cpu = <&cpu1>;
+				};
+			};
+
+		};
+
+		cpu0: cpu@0 {
+			compatible = "arm,cortex-a72";
+			reg = <0x000>;
+			device_type = "cpu";
+			enable-method = "psci";
+			i-cache-size = <0xC000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <128>;
+			next-level-cache = <&L2_0>;
+		};
+
+		cpu1: cpu@1 {
+			compatible = "arm,cortex-a72";
+			reg = <0x001>;
+			device_type = "cpu";
+			enable-method = "psci";
+			i-cache-size = <0xC000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <128>;
+			next-level-cache = <&L2_0>;
+		};
+	};
+
+	L2_0: l2-cache0 {
+		compatible = "cache";
+		cache-level = <2>;
+		cache-size = <0x100000>;
+		cache-line-size = <64>;
+		cache-sets = <2048>;
+		next-level-cache = <&msmc_l3>;
+	};
+
+	msmc_l3: l3-cache0 {
+		compatible = "cache";
+		cache-level = <3>;
+	};
+
+	firmware {
+		optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+
+		psci: psci {
+			compatible = "arm,psci-1.0";
+			method = "smc";
+		};
+	};
+
+	a72_timer0: timer-cl0-cpu0 {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>, /* cntpsirq */
+			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>, /* cntpnsirq */
+			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>, /* cntvirq */
+			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>; /* cnthpirq */
+	};
+
+	pmu: pmu {
+		compatible = "arm,armv8-pmuv3";
+		/* Recommendation from GIC500 TRM Table A.3 */
+		interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
+	};
+
+	cbass_main: interconnect@100000 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0x00 0x00100000 0x00 0x00100000 0x00 0x00020000>, /* ctrl mmr */
+			 <0x00 0x00600000 0x00 0x00600000 0x00 0x00031100>, /* GPIO */
+			 <0x00 0x00900000 0x00 0x00900000 0x00 0x00012000>, /* serdes */
+			 <0x00 0x00A40000 0x00 0x00A40000 0x00 0x00000800>, /* timesync router */
+			 <0x00 0x01000000 0x00 0x01000000 0x00 0x0af02400>, /* Most peripherals */
+			 <0x00 0x30800000 0x00 0x30800000 0x00 0x0bc00000>, /* MAIN NAVSS */
+			 <0x00 0x0d000000 0x00 0x0d000000 0x00 0x01000000>, /* PCIe Core*/
+			 <0x00 0x10000000 0x00 0x10000000 0x00 0x10000000>, /* PCIe DAT */
+			 <0x00 0x64800000 0x00 0x64800000 0x00 0x00800000>, /* C71 */
+			 <0x4d 0x80800000 0x4d 0x80800000 0x00 0x00800000>, /* C66_0 */
+			 <0x4d 0x81800000 0x4d 0x81800000 0x00 0x00800000>, /* C66_1 */
+			 <0x4e 0x20000000 0x4e 0x20000000 0x00 0x00080000>, /* GPU */
+			 /* MCUSS_WKUP Range */
+			 <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>,
+			 <0x00 0x40200000 0x00 0x40200000 0x00 0x00998400>,
+			 <0x00 0x40f00000 0x00 0x40f00000 0x00 0x00020000>,
+			 <0x00 0x41000000 0x00 0x41000000 0x00 0x00020000>,
+			 <0x00 0x41400000 0x00 0x41400000 0x00 0x00020000>,
+			 <0x00 0x41c00000 0x00 0x41c00000 0x00 0x00100000>,
+			 <0x00 0x42040000 0x00 0x42040000 0x00 0x03ac2400>,
+			 <0x00 0x45100000 0x00 0x45100000 0x00 0x00c24000>,
+			 <0x00 0x46000000 0x00 0x46000000 0x00 0x00200000>,
+			 <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>,
+			 <0x00 0x50000000 0x00 0x50000000 0x00 0x10000000>,
+			 <0x00 0x70000000 0x00 0x70000000 0x00 0x00800000>,
+			 <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>,
+			 <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>;
+
+		cbass_mcu_wakeup: interconnect@28380000 {
+			compatible = "simple-bus";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges = <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>, /* MCU NAVSS*/
+				 <0x00 0x40200000 0x00 0x40200000 0x00 0x00998400>, /* First peripheral window */
+				 <0x00 0x40f00000 0x00 0x40f00000 0x00 0x00020000>, /* CTRL_MMR0 */
+				 <0x00 0x41000000 0x00 0x41000000 0x00 0x00020000>, /* MCU R5F Core0 */
+				 <0x00 0x41400000 0x00 0x41400000 0x00 0x00020000>, /* MCU R5F Core1 */
+				 <0x00 0x41c00000 0x00 0x41c00000 0x00 0x00100000>, /* MCU SRAM */
+				 <0x00 0x42040000 0x00 0x42040000 0x00 0x03ac2400>, /* WKUP peripheral window */
+				 <0x00 0x45100000 0x00 0x45100000 0x00 0x00c24000>, /* MMRs, remaining NAVSS */
+				 <0x00 0x46000000 0x00 0x46000000 0x00 0x00200000>, /* CPSW */
+				 <0x00 0x47000000 0x00 0x47000000 0x00 0x00068400>, /* OSPI register space */
+				 <0x00 0x50000000 0x00 0x50000000 0x00 0x10000000>, /* FSS OSPI0/1 data region 0 */
+				 <0x05 0x00000000 0x05 0x00000000 0x01 0x00000000>, /* FSS OSPI0 data region 3 */
+				 <0x07 0x00000000 0x07 0x00000000 0x01 0x00000000>; /* FSS OSPI1 data region 3*/
+		};
+	};
+};
+
+/* Now include the peripherals for each bus segments */
+#include "k3-j721e-main.dtsi"
+#include "k3-j721e-mcu-wakeup.dtsi"

arch/arm/dts/logicpd-som-lv-35xx-devkit.dts

@@ -1,8 +1,4 @@
-/*
+// SPDX-License-Identifier: GPL-2.0-only
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
 
 /dts-v1/;
 

arch/arm/dts/logicpd-som-lv-37xx-devkit.dts

@@ -1,8 +1,4 @@
-/*
+// SPDX-License-Identifier: GPL-2.0-only
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
 
 /dts-v1/;
 

arch/arm/dts/logicpd-som-lv-baseboard.dtsi

@@ -1,8 +1,4 @@
-/*
+// SPDX-License-Identifier: GPL-2.0-only
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
 
 / {
 	gpio_keys {
@@ -153,7 +149,7 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc1_pins>;
 	wp-gpios = <&gpio4 30 GPIO_ACTIVE_HIGH>;		/* gpio_126 */
-	cd-gpios = <&gpio4 14 IRQ_TYPE_LEVEL_LOW>;		/* gpio_110 */
+	cd-gpios = <&gpio4 14 GPIO_ACTIVE_LOW>;			/* gpio_110 */
 	vmmc-supply = <&vmmc1>;
 	bus-width = <4>;
 	cap-power-off-card;

arch/arm/dts/logicpd-som-lv.dtsi

@@ -1,8 +1,4 @@
-/*
+// SPDX-License-Identifier: GPL-2.0-only
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
 
 #include <dt-bindings/input/input.h>
 

arch/arm/dts/logicpd-torpedo-35xx-devkit.dts

@@ -1,8 +1,4 @@
-/*
+// SPDX-License-Identifier: GPL-2.0-only
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
 
 /dts-v1/;
 

arch/arm/dts/logicpd-torpedo-37xx-devkit.dts

@@ -1,8 +1,4 @@
-/*
+// SPDX-License-Identifier: GPL-2.0-only
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
 
 /dts-v1/;
 

arch/arm/dts/logicpd-torpedo-baseboard.dtsi

@@ -1,8 +1,4 @@
-/*
+// SPDX-License-Identifier: GPL-2.0-only
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
 
 / {
 	gpio_keys {

arch/arm/dts/logicpd-torpedo-som.dtsi

@@ -1,8 +1,4 @@
-/*
+// SPDX-License-Identifier: GPL-2.0-only
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
 
 #include <dt-bindings/input/input.h>
 

arch/arm/mach-k3/Kconfig

@@ -7,6 +7,9 @@ choice
 config SOC_K3_AM6
 	bool "TI's K3 based AM6 SoC Family Support"
 
+config SOC_K3_J721E
+	bool "TI's K3 based J721E SoC Family Support"
+
 endchoice
 
 config SYS_SOC
@@ -14,7 +17,8 @@ config SYS_SOC
 
 config SYS_K3_NON_SECURE_MSRAM_SIZE
 	hex
-	default 0x80000
+	default 0x80000 if SOC_K3_AM6
+	default 0x100000 if SOC_K3_J721E
 	help
 	  Describes the total size of the MCU MSRAM. This doesn't
 	  specify the total size of SPL as ROM can use some part
@@ -23,7 +27,8 @@ config SYS_K3_NON_SECURE_MSRAM_SIZE
 
 config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
 	hex
-	default 0x58000
+	default 0x58000 if SOC_K3_AM6
+	default 0xc0000 if SOC_K3_J721E
 	help
 	  Describes the maximum size of the image that ROM can download
 	  from any boot media.
@@ -31,18 +36,21 @@ config SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
 config SYS_K3_MCU_SCRATCHPAD_BASE
 	hex
 	default 0x40280000 if SOC_K3_AM6
+	default 0x40280000 if SOC_K3_J721E
 	help
 	  Describes the base address of MCU Scratchpad RAM.
 
 config SYS_K3_MCU_SCRATCHPAD_SIZE
 	hex
 	default 0x200 if SOC_K3_AM6
+	default 0x200 if SOC_K3_J721E
 	help
 	  Describes the size of MCU Scratchpad RAM.
 
 config SYS_K3_BOOT_PARAM_TABLE_INDEX
 	hex
 	default 0x41c7fbfc if SOC_K3_AM6
+	default 0x41cffc00 if SOC_K3_J721E
 	help
 	  Address at which ROM stores the value which determines if SPL
 	  is booted up by primary boot media or secondary boot media.
@@ -105,4 +113,5 @@ config SYS_K3_SPL_ATF
 	  after SPL from R5.
 
 source "board/ti/am65x/Kconfig"
+source "board/ti/j721e/Kconfig"
 endif

arch/arm/mach-k3/Makefile

@@ -4,6 +4,7 @@
 #	Lokesh Vutla <lokeshvutla@ti.com>
 
 obj-$(CONFIG_SOC_K3_AM6) += am6_init.o
+obj-$(CONFIG_SOC_K3_J721E) += j721e_init.o
 obj-$(CONFIG_ARM64) += arm64-mmu.o
 obj-$(CONFIG_CPU_V7R) += r5_mpu.o lowlevel_init.o
 obj-$(CONFIG_TI_SECURE_DEVICE) += security.o

arch/arm/mach-k3/am6_init.c

@@ -16,6 +16,7 @@
 #include <dm.h>
 #include <dm/uclass-internal.h>
 #include <dm/pinctrl.h>
+#include <linux/soc/ti/ti_sci_protocol.h>
 
 #ifdef CONFIG_SPL_BUILD
 static void mmr_unlock(u32 base, u32 partition)
@@ -209,8 +210,63 @@ u32 spl_boot_device(void)
 }
 #endif
 
-#ifndef CONFIG_SYSRESET
+#ifdef CONFIG_SYS_K3_SPL_ATF
-void reset_cpu(ulong ignored)
+
+#define AM6_DEV_MCU_RTI0			134
+#define AM6_DEV_MCU_RTI1			135
+#define AM6_DEV_MCU_ARMSS0_CPU0			159
+#define AM6_DEV_MCU_ARMSS0_CPU1			245
+
+void release_resources_for_core_shutdown(void)
 {
+	struct udevice *dev;
+	struct ti_sci_handle *ti_sci;
+	struct ti_sci_dev_ops *dev_ops;
+	struct ti_sci_proc_ops *proc_ops;
+	int ret;
+	u32 i;
+
+	const u32 put_device_ids[] = {
+		AM6_DEV_MCU_RTI0,
+		AM6_DEV_MCU_RTI1,
+	};
+
+	/* Get handle to Device Management and Security Controller (SYSFW) */
+	ret = uclass_get_device_by_name(UCLASS_FIRMWARE, "dmsc", &dev);
+	if (ret)
+		panic("Failed to get handle to SYSFW (%d)\n", ret);
+
+	ti_sci = (struct ti_sci_handle *)(ti_sci_get_handle_from_sysfw(dev));
+	dev_ops = &ti_sci->ops.dev_ops;
+	proc_ops = &ti_sci->ops.proc_ops;
+
+	/* Iterate through list of devices to put (shutdown) */
+	for (i = 0; i < ARRAY_SIZE(put_device_ids); i++) {
+		u32 id = put_device_ids[i];
+
+		ret = dev_ops->put_device(ti_sci, id);
+		if (ret)
+			panic("Failed to put device %u (%d)\n", id, ret);
+	}
+
+	const u32 put_core_ids[] = {
+		AM6_DEV_MCU_ARMSS0_CPU1,
+		AM6_DEV_MCU_ARMSS0_CPU0,	/* Handle CPU0 after CPU1 */
+	};
+
+	/* Iterate through list of cores to put (shutdown) */
+	for (i = 0; i < ARRAY_SIZE(put_core_ids); i++) {
+		u32 id = put_core_ids[i];
+
+		/*
+		 * Queue up the core shutdown request. Note that this call
+		 * needs to be followed up by an actual invocation of an WFE
+		 * or WFI CPU instruction.
+		 */
+		ret = proc_ops->proc_shutdown_no_wait(ti_sci, id);
+		if (ret)
+			panic("Failed sending core %u shutdown message (%d)\n",
+			      id, ret);
+	}
 }
 #endif

arch/arm/mach-k3/arm64-mmu.c

@@ -12,6 +12,7 @@
 #include <asm/system.h>
 #include <asm/armv8/mmu.h>
 
+#ifdef CONFIG_SOC_K3_AM6
 /* NR_DRAM_BANKS + 32bit IO + 64bit IO + terminator */
 #define NR_MMU_REGIONS	(CONFIG_NR_DRAM_BANKS + 3)
 
@@ -43,3 +44,57 @@ struct mm_region am654_mem_map[NR_MMU_REGIONS] = {
 };
 
 struct mm_region *mem_map = am654_mem_map;
+#endif /* CONFIG_SOC_K3_AM6 */
+
+#ifdef CONFIG_SOC_K3_J721E
+/* NR_DRAM_BANKS + 32bit IO + 64bit IO + terminator */
+#define NR_MMU_REGIONS	(CONFIG_NR_DRAM_BANKS + 5)
+
+/* ToDo: Add 64bit IO */
+struct mm_region j721e_mem_map[NR_MMU_REGIONS] = {
+	{
+		.virt = 0x0UL,
+		.phys = 0x0UL,
+		.size = 0x80000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		.virt = 0x80000000UL,
+		.phys = 0x80000000UL,
+		.size = 0x20000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		.virt = 0xa0000000UL,
+		.phys = 0xa0000000UL,
+		.size = 0x0bc00000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL_NC) |
+			 PTE_BLOCK_NON_SHARE
+	}, {
+		.virt = 0xabc00000UL,
+		.phys = 0xabc00000UL,
+		.size = 0x54400000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		.virt = 0x880000000UL,
+		.phys = 0x880000000UL,
+		.size = 0x80000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_NORMAL) |
+			 PTE_BLOCK_INNER_SHARE
+	}, {
+		.virt = 0x500000000UL,
+		.phys = 0x500000000UL,
+		.size = 0x400000000UL,
+		.attrs = PTE_BLOCK_MEMTYPE(MT_DEVICE_NGNRNE) |
+			 PTE_BLOCK_NON_SHARE |
+			 PTE_BLOCK_PXN | PTE_BLOCK_UXN
+	}, {
+		/* List terminator */
+		0,
+	}
+};
+
+struct mm_region *mem_map = j721e_mem_map;
+#endif /* CONFIG_SOC_K3_J721E */

arch/arm/mach-k3/common.c

@@ -13,6 +13,7 @@
 #include <remoteproc.h>
 #include <linux/soc/ti/ti_sci_protocol.h>
 #include <fdt_support.h>
+#include <asm/arch/sys_proto.h>
 
 struct ti_sci_handle *get_ti_sci_handle(void)
 {
@@ -29,8 +30,12 @@ struct ti_sci_handle *get_ti_sci_handle(void)
 #ifdef CONFIG_SYS_K3_SPL_ATF
 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
 {
+	struct ti_sci_handle *ti_sci = get_ti_sci_handle();
 	int ret;
 
+	/* Release all the exclusive devices held by SPL before starting ATF */
+	ti_sci->ops.dev_ops.release_exclusive_devices(ti_sci);
+
 	/*
 	 * It is assumed that remoteproc device 1 is the corresponding
 	 * Cortex-A core which runs ATF. Make sure DT reflects the same.
@@ -51,7 +56,10 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
 	if (ret)
 		panic("%s: ATF failed to start on rproc (%d)\n", __func__, ret);
 
-	debug("ATF started. Waiting indefinitely...\n");
+	debug("Releasing resources...\n");
+	release_resources_for_core_shutdown();
+
+	debug("Finalizing core shutdown...\n");
 	while (1)
 		asm volatile("wfe");
 }
@@ -130,3 +138,9 @@ int fdt_fixup_msmc_ram(void *blob, char *parent_path, char *node_name)
 	return 0;
 }
 #endif
+
+#ifndef CONFIG_SYSRESET
+void reset_cpu(ulong ignored)
+{
+}
+#endif

arch/arm/mach-k3/include/mach/hardware.h

@@ -9,4 +9,8 @@
 #ifdef CONFIG_SOC_K3_AM6
 #include "am6_hardware.h"
 #endif
+
+#ifdef CONFIG_SOC_K3_J721E
+#include "j721e_hardware.h"
+#endif
 #endif /* _ASM_ARCH_HARDWARE_H_ */

arch/arm/mach-k3/include/mach/j721e_hardware.h

@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * K3: J721E SoC definitions, structures etc.
+ *
+ * (C) Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+ */
+#ifndef __ASM_ARCH_J721E_HARDWARE_H
+#define __ASM_ARCH_J721E_HARDWARE_H
+
+#include <config.h>
+
+#define CTRL_MMR0_BASE					0x00100000
+#define CTRLMMR_MAIN_DEVSTAT				(CTRL_MMR0_BASE + 0x30)
+
+#define MAIN_DEVSTAT_BOOT_MODE_B_MASK		BIT(0)
+#define MAIN_DEVSTAT_BOOT_MODE_B_SHIFT		0
+#define MAIN_DEVSTAT_BKUP_BOOTMODE_MASK		GENMASK(3, 1)
+#define MAIN_DEVSTAT_BKUP_BOOTMODE_SHIFT	1
+#define MAIN_DEVSTAT_PRIM_BOOTMODE_MMC_PORT_MASK	BIT(6)
+#define MAIN_DEVSTAT_PRIM_BOOTMODE_PORT_SHIFT		6
+
+#define WKUP_CTRL_MMR0_BASE				0x43000000
+#define MCU_CTRL_MMR0_BASE				0x40f00000
+
+#define CTRLMMR_WKUP_DEVSTAT			(WKUP_CTRL_MMR0_BASE + 0x30)
+#define WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK	GENMASK(5, 3)
+#define WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT	3
+#define WKUP_DEVSTAT_MCU_OMLY_MASK		BIT(6)
+#define WKUP_DEVSTAT_MCU_ONLY_SHIFT		6
+
+/*
+ * The CTRL_MMR0 memory space is divided into several equally-spaced
+ * partitions, so defining the partition size allows us to determine
+ * register addresses common to those partitions.
+ */
+#define CTRL_MMR0_PARTITION_SIZE			0x4000
+
+/*
+ * CTRL_MMR0, WKUP_CTRL_MMR0, and MCU_CTR_MMR0 lock/kick-mechanism
+ * shared register definitions.
+ */
+#define CTRLMMR_LOCK_KICK0				0x01008
+#define CTRLMMR_LOCK_KICK0_UNLOCK_VAL			0x68ef3490
+#define CTRLMMR_LOCK_KICK0_UNLOCKED_MASK		BIT(0)
+#define CTRLMMR_LOCK_KICK0_UNLOCKED_SHIFT		0
+#define CTRLMMR_LOCK_KICK1				0x0100c
+#define CTRLMMR_LOCK_KICK1_UNLOCK_VAL			0xd172bc5a
+
+#endif /* __ASM_ARCH_J721E_HARDWARE_H */

arch/arm/mach-k3/include/mach/j721e_spl.h

@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla <lokeshvutla@ti.com>
+ */
+#ifndef _ASM_ARCH_J721E_SPL_H_
+#define _ASM_ARCH_J721E_SPL_H_
+
+/* With BootMode B = 0 */
+#define BOOT_DEVICE_HYPERFLASH		0x00
+#define BOOT_DEVICE_OSPI		0x01
+#define BOOT_DEVICE_QSPI		0x02
+#define BOOT_DEVICE_SPI			0x03
+#define BOOT_DEVICE_ETHERNET		0x04
+#define BOOT_DEVICE_I2C			0x06
+#define BOOT_DEVICE_UART		0x07
+
+/* With BootMode B = 1 */
+#define BOOT_DEVICE_MMC2		0x10
+#define BOOT_DEVICE_MMC1		0x11
+#define BOOT_DEVICE_USB			0x12
+#define BOOT_DEVICE_UFS			0x13
+#define BOOT_DEVIE_GPMC			0x14
+#define BOOT_DEVICE_PCIE		0x15
+#define BOOT_DEVICE_MMC2_2		0x16
+#define BOOT_DEVICE_RAM			0x17
+
+#define BOOT_MODE_B_SHIFT		4
+#define BOOT_MODE_B_MASK		BIT(4)
+
+#endif

arch/arm/mach-k3/include/mach/spl.h

@@ -9,4 +9,8 @@
 #ifdef CONFIG_SOC_K3_AM6
 #include "am6_spl.h"
 #endif
+
+#ifdef CONFIG_SOC_K3_J721E
+#include "j721e_spl.h"
+#endif
 #endif /* _ASM_ARCH_SPL_H_ */

arch/arm/mach-k3/include/mach/sys_proto.h

@@ -13,5 +13,5 @@ u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr,
 struct ti_sci_handle *get_ti_sci_handle(void);
 int fdt_fixup_msmc_ram(void *blob, char *parent_path, char *node_name);
 int do_board_detect(void);
-
+void release_resources_for_core_shutdown(void);
 #endif

arch/arm/mach-k3/j721e_init.c

@@ -0,0 +1,228 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * J721E: SoC specific initialization
+ *
+ * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla <lokeshvutla@ti.com>
+ */
+
+#include <common.h>
+#include <spl.h>
+#include <asm/io.h>
+#include <asm/armv7_mpu.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/sysfw-loader.h>
+#include "common.h"
+#include <asm/arch/sys_proto.h>
+#include <linux/soc/ti/ti_sci_protocol.h>
+#include <dm.h>
+#include <dm/uclass-internal.h>
+#include <dm/pinctrl.h>
+
+#ifdef CONFIG_SPL_BUILD
+static void mmr_unlock(u32 base, u32 partition)
+{
+	/* Translate the base address */
+	phys_addr_t part_base = base + partition * CTRL_MMR0_PARTITION_SIZE;
+
+	/* Unlock the requested partition if locked using two-step sequence */
+	writel(CTRLMMR_LOCK_KICK0_UNLOCK_VAL, part_base + CTRLMMR_LOCK_KICK0);
+	writel(CTRLMMR_LOCK_KICK1_UNLOCK_VAL, part_base + CTRLMMR_LOCK_KICK1);
+}
+
+static void ctrl_mmr_unlock(void)
+{
+	/* Unlock all WKUP_CTRL_MMR0 module registers */
+	mmr_unlock(WKUP_CTRL_MMR0_BASE, 0);
+	mmr_unlock(WKUP_CTRL_MMR0_BASE, 1);
+	mmr_unlock(WKUP_CTRL_MMR0_BASE, 2);
+	mmr_unlock(WKUP_CTRL_MMR0_BASE, 3);
+	mmr_unlock(WKUP_CTRL_MMR0_BASE, 4);
+	mmr_unlock(WKUP_CTRL_MMR0_BASE, 6);
+	mmr_unlock(WKUP_CTRL_MMR0_BASE, 7);
+
+	/* Unlock all MCU_CTRL_MMR0 module registers */
+	mmr_unlock(MCU_CTRL_MMR0_BASE, 0);
+	mmr_unlock(MCU_CTRL_MMR0_BASE, 1);
+	mmr_unlock(MCU_CTRL_MMR0_BASE, 2);
+	mmr_unlock(MCU_CTRL_MMR0_BASE, 3);
+	mmr_unlock(MCU_CTRL_MMR0_BASE, 4);
+
+	/* Unlock all CTRL_MMR0 module registers */
+	mmr_unlock(CTRL_MMR0_BASE, 0);
+	mmr_unlock(CTRL_MMR0_BASE, 1);
+	mmr_unlock(CTRL_MMR0_BASE, 2);
+	mmr_unlock(CTRL_MMR0_BASE, 3);
+	mmr_unlock(CTRL_MMR0_BASE, 4);
+	mmr_unlock(CTRL_MMR0_BASE, 5);
+	mmr_unlock(CTRL_MMR0_BASE, 6);
+	mmr_unlock(CTRL_MMR0_BASE, 7);
+}
+
+/*
+ * This uninitialized global variable would normal end up in the .bss section,
+ * but the .bss is cleared between writing and reading this variable, so move
+ * it to the .data section.
+ */
+u32 bootindex __attribute__((section(".data")));
+
+static void store_boot_index_from_rom(void)
+{
+	bootindex = *(u32 *)(CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX);
+}
+
+void board_init_f(ulong dummy)
+{
+#if defined(CONFIG_K3_LOAD_SYSFW)
+	struct udevice *dev;
+	int ret;
+#endif
+	/*
+	 * Cannot delay this further as there is a chance that
+	 * K3_BOOT_PARAM_TABLE_INDEX can be over written by SPL MALLOC section.
+	 */
+	store_boot_index_from_rom();
+
+	/* Make all control module registers accessible */
+	ctrl_mmr_unlock();
+
+#ifdef CONFIG_CPU_V7R
+	setup_k3_mpu_regions();
+#endif
+
+	/* Init DM early */
+	spl_early_init();
+
+#ifdef CONFIG_K3_LOAD_SYSFW
+	/*
+	 * Process pinctrl for the serial0 a.k.a. MCU_UART0 module and continue
+	 * regardless of the result of pinctrl. Do this without probing the
+	 * device, but instead by searching the device that would request the
+	 * given sequence number if probed. The UART will be used by the system
+	 * firmware (SYSFW) image for various purposes and SYSFW depends on us
+	 * to initialize its pin settings.
+	 */
+	ret = uclass_find_device_by_seq(UCLASS_SERIAL, 0, true, &dev);
+	if (!ret)
+		pinctrl_select_state(dev, "default");
+
+	/*
+	 * Load, start up, and configure system controller firmware. Provide
+	 * the U-Boot console init function to the SYSFW post-PM configuration
+	 * callback hook, effectively switching on (or over) the console
+	 * output.
+	 */
+	k3_sysfw_loader(preloader_console_init);
+#else
+	/* Prepare console output */
+	preloader_console_init();
+#endif
+}
+
+u32 spl_boot_mode(const u32 boot_device)
+{
+	switch (boot_device) {
+	case BOOT_DEVICE_MMC1:
+		return MMCSD_MODE_EMMCBOOT;
+	case BOOT_DEVICE_MMC2:
+		return MMCSD_MODE_FS;
+	default:
+		return MMCSD_MODE_RAW;
+	}
+}
+
+static u32 __get_primary_bootmedia(u32 main_devstat, u32 wkup_devstat)
+{
+
+	u32 bootmode = (wkup_devstat & WKUP_DEVSTAT_PRIMARY_BOOTMODE_MASK) >>
+			WKUP_DEVSTAT_PRIMARY_BOOTMODE_SHIFT;
+
+	bootmode |= (main_devstat & MAIN_DEVSTAT_BOOT_MODE_B_MASK) <<
+			BOOT_MODE_B_SHIFT;
+
+	if (bootmode == BOOT_DEVICE_OSPI || bootmode ==	BOOT_DEVICE_QSPI)
+		bootmode = BOOT_DEVICE_SPI;
+
+	if (bootmode == BOOT_DEVICE_MMC2) {
+		u32 port = (main_devstat &
+			    MAIN_DEVSTAT_PRIM_BOOTMODE_MMC_PORT_MASK) >>
+			   MAIN_DEVSTAT_PRIM_BOOTMODE_PORT_SHIFT;
+		if (port == 0x0)
+			bootmode = BOOT_DEVICE_MMC1;
+	}
+
+	return bootmode;
+}
+
+u32 spl_boot_device(void)
+{
+	u32 wkup_devstat = readl(CTRLMMR_WKUP_DEVSTAT);
+	u32 main_devstat;
+
+	if (wkup_devstat & WKUP_DEVSTAT_MCU_OMLY_MASK) {
+		printf("ERROR: MCU only boot is not yet supported\n");
+		return BOOT_DEVICE_RAM;
+	}
+
+	/* MAIN CTRL MMR can only be read if MCU ONLY is 0 */
+	main_devstat = readl(CTRLMMR_MAIN_DEVSTAT);
+
+	/* ToDo: Add support for backup boot media */
+	return __get_primary_bootmedia(main_devstat, wkup_devstat);
+}
+#endif
+
+#ifdef CONFIG_SYS_K3_SPL_ATF
+
+#define J721E_DEV_MCU_RTI0			262
+#define J721E_DEV_MCU_RTI1			263
+#define J721E_DEV_MCU_ARMSS0_CPU0		250
+#define J721E_DEV_MCU_ARMSS0_CPU1		251
+
+void release_resources_for_core_shutdown(void)
+{
+	struct ti_sci_handle *ti_sci;
+	struct ti_sci_dev_ops *dev_ops;
+	struct ti_sci_proc_ops *proc_ops;
+	int ret;
+	u32 i;
+
+	const u32 put_device_ids[] = {
+		J721E_DEV_MCU_RTI0,
+		J721E_DEV_MCU_RTI1,
+	};
+
+	ti_sci = get_ti_sci_handle();
+	dev_ops = &ti_sci->ops.dev_ops;
+	proc_ops = &ti_sci->ops.proc_ops;
+
+	/* Iterate through list of devices to put (shutdown) */
+	for (i = 0; i < ARRAY_SIZE(put_device_ids); i++) {
+		u32 id = put_device_ids[i];
+
+		ret = dev_ops->put_device(ti_sci, id);
+		if (ret)
+			panic("Failed to put device %u (%d)\n", id, ret);
+	}
+
+	const u32 put_core_ids[] = {
+		J721E_DEV_MCU_ARMSS0_CPU1,
+		J721E_DEV_MCU_ARMSS0_CPU0,	/* Handle CPU0 after CPU1 */
+	};
+
+	/* Iterate through list of cores to put (shutdown) */
+	for (i = 0; i < ARRAY_SIZE(put_core_ids); i++) {
+		u32 id = put_core_ids[i];
+
+		/*
+		 * Queue up the core shutdown request. Note that this call
+		 * needs to be followed up by an actual invocation of an WFE
+		 * or WFI CPU instruction.
+		 */
+		ret = proc_ops->proc_shutdown_no_wait(ti_sci, id);
+		if (ret)
+			panic("Failed sending core %u shutdown message (%d)\n",
+			      id, ret);
+	}
+}
+#endif

board/davinci/da8xxevm/da850evm.c

@@ -353,10 +353,6 @@ int board_init(void)
 		 DAVINCI_SYSCFG_SUSPSRC_UART2),
 	       &davinci_syscfg_regs->suspsrc);
 
-	/* configure pinmux settings */
-	if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes)))
-		return 1;
-
 #ifdef CONFIG_USE_NOR
 	/* Set the GPIO direction as output */
 	clrbits_le32((u32 *)GPIO_BANK0_REG_DIR_ADDR, (0x01 << 11));
@@ -377,11 +373,6 @@ int board_init(void)
 	davinci_emac_mii_mode_sel(HAS_RMII);
 #endif /* CONFIG_DRIVER_TI_EMAC */
 
-	/* enable the console UART */
-	writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
-		DAVINCI_UART_PWREMU_MGMT_UTRST),
-	       &davinci_uart2_ctrl_regs->pwremu_mgmt);
-
 	return 0;
 }
 

board/logicpd/am3517evm/am3517evm.c

@@ -113,47 +113,16 @@ static void am3517_evm_musb_init(void)
  */
 int misc_init_r(void)
 {
-	volatile unsigned int ctr;
 	u32 reset;
 
-#if !defined(CONFIG_DM_I2C)
-#ifdef CONFIG_SYS_I2C_OMAP24XX
-	i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
-#endif
-#endif
 	omap_die_id_display();
 
 	am3517_evm_musb_init();
 
-	if (gpio_request(PHY_GPIO, "gpio_30") == 0) {
+	/* ensure that the Ethernet module is out of reset */
-		/* activate PHY reset */
+	reset = readl(AM3517_IP_SW_RESET);
-		gpio_direction_output(PHY_GPIO, 0);
+	reset &= (~CPGMACSS_SW_RST);
-		gpio_set_value(PHY_GPIO, 0);
+	writel(reset, AM3517_IP_SW_RESET);
-
-		ctr  = 0;
-		do {
-			udelay(1000);
-			ctr++;
-		} while (ctr < 300);
-
-		/* deactivate PHY reset */
-		gpio_set_value(PHY_GPIO, 1);
-
-		/* allow the PHY to stabilize and settle down */
-		ctr = 0;
-		do {
-			udelay(1000);
-			ctr++;
-		} while (ctr < 300);
-
-		/* ensure that the module is out of reset */
-		reset = readl(AM3517_IP_SW_RESET);
-		reset &= (~CPGMACSS_SW_RST);
-		writel(reset, AM3517_IP_SW_RESET);
-
-		/* Free requested GPIO */
-		gpio_free(PHY_GPIO);
-	}
 
 	return 0;
 }
@@ -169,12 +138,6 @@ void set_muxconf_regs(void)
 	MUX_AM3517EVM();
 }
 
-#if defined(CONFIG_MMC)
-int board_mmc_init(bd_t *bis)
-{
-	return omap_mmc_init(0, 0, 0, -1, -1);
-}
-#endif
 
 #if defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_MUSB_GADGET)
 int board_eth_init(bd_t *bis)

board/logicpd/am3517evm/am3517evm.h

@@ -111,7 +111,7 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(GPMC_NCS3),		(IDIS | PTU | EN  | M0)) \
 	MUX_VAL(CP(GPMC_NCS4),		(IEN  | PTU | EN  | M0)) \
 	MUX_VAL(CP(GPMC_NCS5),		(IDIS | PTU | EN  | M0)) \
-	MUX_VAL(CP(GPMC_NCS6),		(IEN  | PTD | DIS | M0)) \
+	MUX_VAL(CP(GPMC_NCS6),		(IDIS | PTD | DIS | M4)) \
 	MUX_VAL(CP(GPMC_NCS7),		(IEN  | PTU | EN  | M0)) \
 	MUX_VAL(CP(GPMC_CLK),		(IDIS | PTU | EN  | M0)) \
 	MUX_VAL(CP(GPMC_NADV_ALE),	(IDIS | PTD | DIS | M0)) \
@@ -339,18 +339,18 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(JTAG_EMU0),		(IEN  | PTD | DIS | M0)) \
 	MUX_VAL(CP(JTAG_EMU1),		(IEN  | PTD | DIS | M0)) \
 	/* ETK (ES2 onwards) */\
-	MUX_VAL(CP(ETK_CLK_ES2),	(IDIS | PTU | EN  | M0)) \
+	MUX_VAL(CP(ETK_CLK_ES2),	(IDIS | PTU | EN  | M3)) /*HSUSB1_STP*/\
-	MUX_VAL(CP(ETK_CTL_ES2),	(IDIS | PTD | DIS | M0)) \
+	MUX_VAL(CP(ETK_CTL_ES2),	(IDIS | PTU | DIS | M3)) /*HSUSB1_CLK*/\
-	MUX_VAL(CP(ETK_D0_ES2),		(IEN  | PTD | DIS | M0)) \
+	MUX_VAL(CP(ETK_D0_ES2),		(IEN  | PTU | DIS | M3)) /*HSUSB1_DATA0*/\
-	MUX_VAL(CP(ETK_D1_ES2),		(IEN  | PTD | DIS | M0)) \
+	MUX_VAL(CP(ETK_D1_ES2),		(IEN  | PTU | DIS | M3)) /*HSUSB1_DATA1*/\
-	MUX_VAL(CP(ETK_D2_ES2),		(IEN  | PTD | EN  | M0)) \
+	MUX_VAL(CP(ETK_D2_ES2),		(IEN  | PTU | DIS | M3)) /*HSUSB1_DATA2*/\
-	MUX_VAL(CP(ETK_D3_ES2),		(IEN  | PTD | DIS | M0)) \
+	MUX_VAL(CP(ETK_D3_ES2),		(IEN  | PTU | DIS | M3)) /*HSUSB1_DATA7*/\
-	MUX_VAL(CP(ETK_D4_ES2),		(IEN  | PTD | DIS | M0)) \
+	MUX_VAL(CP(ETK_D4_ES2),		(IEN  | PTU | DIS | M3)) /*HSUSB1_DATA4*/\
-	MUX_VAL(CP(ETK_D5_ES2),		(IEN  | PTD | DIS | M0)) \
+	MUX_VAL(CP(ETK_D5_ES2),		(IEN  | PTU | DIS | M3)) /*HSUSB1_DATA5*/\
-	MUX_VAL(CP(ETK_D6_ES2),		(IEN  | PTD | DIS | M0)) \
+	MUX_VAL(CP(ETK_D6_ES2),		(IEN  | PTU | DIS | M3)) /*HSUSB1_DATA6*/\
-	MUX_VAL(CP(ETK_D7_ES2),		(IEN  | PTD | DIS | M0)) \
+	MUX_VAL(CP(ETK_D7_ES2),		(IEN  | PTU | DIS | M3)) /*HSUSB1_DATA3*/\
-	MUX_VAL(CP(ETK_D8_ES2),		(IEN  | PTD | DIS | M0)) \
+	MUX_VAL(CP(ETK_D8_ES2),		(IEN  | PTU | DIS | M3)) /*HSUSB1_DIR*/\
-	MUX_VAL(CP(ETK_D9_ES2),		(IEN  | PTD | DIS | M0)) \
+	MUX_VAL(CP(ETK_D9_ES2),		(IEN  | PTU | DIS | M3)) /*HSUSB1_NXT*/\
 	MUX_VAL(CP(ETK_D10_ES2),	(IEN  | PTD | DIS | M0)) \
 	MUX_VAL(CP(ETK_D11_ES2),	(IEN  | PTD | DIS | M0)) \
 	MUX_VAL(CP(ETK_D12_ES2),	(IEN  | PTD | DIS | M0)) \

board/logicpd/omap3som/omap3logic.h

@@ -161,12 +161,14 @@ void set_muxconf_regs(void)
 	MUX_VAL(CP(ETK_D7_ES2), (IEN  | PTD | DIS | M0)); /*ETK_D7*/
 	MUX_VAL(CP(ETK_D8_ES2), (IEN  | PTD | DIS | M0)); /*ETK_D8*/
 	MUX_VAL(CP(ETK_D9_ES2), (IEN  | PTD | DIS | M0)); /*ETK_D9*/
+#ifndef CONFIG_USB_EHCI_OMAP /* Torpedo does not use EHCI_OMAP */
 	MUX_VAL(CP(ETK_D10_ES2), (IEN  | PTD | DIS | M0)); /*ETK_D10*/
 	MUX_VAL(CP(ETK_D11_ES2), (IEN  | PTD | DIS | M0)); /*ETK_D11*/
 	MUX_VAL(CP(ETK_D12_ES2), (IEN  | PTD | DIS | M0)); /*ETK_D12*/
 	MUX_VAL(CP(ETK_D13_ES2), (IEN  | PTD | DIS | M0)); /*ETK_D13*/
 	MUX_VAL(CP(ETK_D14_ES2), (IEN  | PTD | DIS | M0)); /*ETK_D14*/
 	MUX_VAL(CP(ETK_D15_ES2), (IEN  | PTD | DIS | M0)); /*ETK_D15*/
+#endif
 
 	MUX_VAL(CP(D2D_MCAD1), (IEN  | PTD | EN  | M0)); /*d2d_mcad1*/
 	MUX_VAL(CP(D2D_MCAD2), (IEN  | PTD | EN  | M0)); /*d2d_mcad2*/
@@ -231,6 +233,23 @@ void set_muxconf_regs(void)
 	MUX_VAL(CP(D2D_SREAD),   (IEN  | PTD | DIS | M0)); /*d2d_sread*/
 	MUX_VAL(CP(D2D_MBUSFLAG), (IEN  | PTD | DIS | M0)); /*d2d_mbusflag*/
 	MUX_VAL(CP(D2D_SBUSFLAG), (IEN  | PTD | DIS | M0)); /*d2d_sbusflag*/
+
+#ifdef CONFIG_USB_EHCI_OMAP /* SOM-LV Uses EHCI-OMAP */
+	MUX_VAL(CP(ETK_D14_ES2),	(IEN  | PTD | DIS | M3));	/*HSUSB2_DATA0*/
+	MUX_VAL(CP(ETK_D15_ES2),	(IEN  | PTD | DIS | M3));	/*HSUSB2_DATA1*/
+	MUX_VAL(CP(MCSPI1_CS3),		(IEN  | PTD | EN  | M0));	/*HSUSB2_DATA2*/
+	MUX_VAL(CP(MCSPI2_CS1),		(IEN  | PTD | EN  | M0));	/*HSUSB2_DATA3*/
+	MUX_VAL(CP(MCSPI2_SIMO),	(IEN  | PTD | DIS | M0));	/*HSUSB2_DATA4*/
+	MUX_VAL(CP(MCSPI2_SOMI),	(IEN  | PTD | DIS | M0));	/*HSUSB2_DATA5*/
+	MUX_VAL(CP(MCSPI2_CS0),		(IEN  | PTD | EN  | M0));	/*HSUSB2_DATA6*/
+	MUX_VAL(CP(MCSPI2_CLK),		(IEN  | PTD | DIS | M0));	/*HSUSB2_DATA7*/
+	MUX_VAL(CP(SYS_BOOT2),      (IEN  | PTD | DIS | M4)) 	/* GPIO_4 */
+	MUX_VAL(CP(ETK_D10_ES2),	(IDIS | PTU | DIS | M3));	/*HSUSB2_CLK*/
+	MUX_VAL(CP(ETK_D11_ES2),	(IDIS | PTU | DIS | M3));	/*HSUSB2_STP*/
+	MUX_VAL(CP(ETK_D12_ES2),	(IEN  | PTU | DIS | M3));	/*HSUSB2_DIR*/
+	MUX_VAL(CP(ETK_D13_ES2),	(IEN  | PTD | DIS | M3));	/*HSUSB2_NXT*/
+#endif
+
 }
 
 #endif

board/ti/j721e/Kconfig

@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+#	Lokesh Vutla <lokeshvutla@ti.com>
+
+choice
+	prompt "K3 J721E based boards"
+	optional
+
+config TARGET_J721E_A72_EVM
+	bool "TI K3 based J721E EVM running on A72"
+	select ARM64
+	select SOC_K3_J721E
+	select SYS_DISABLE_DCACHE_OPS
+
+config TARGET_J721E_R5_EVM
+	bool "TI K3 based J721E EVM running on R5"
+	select CPU_V7R
+	select SYS_THUMB_BUILD
+	select SOC_K3_J721E
+	select K3_LOAD_SYSFW
+	select RAM
+	select SPL_RAM
+	imply SYS_K3_SPL_ATF
+
+endchoice
+
+if TARGET_J721E_A72_EVM
+
+config SYS_BOARD
+       default "j721e"
+
+config SYS_VENDOR
+       default "ti"
+
+config SYS_CONFIG_NAME
+       default "j721e_evm"
+
+endif
+
+if TARGET_J721E_R5_EVM
+
+config SYS_BOARD
+       default "j721e"
+
+config SYS_VENDOR
+       default "ti"
+
+config SYS_CONFIG_NAME
+       default "j721e_evm"
+
+config SPL_LDSCRIPT
+	default "arch/arm/mach-omap2/u-boot-spl.lds"
+
+endif

board/ti/j721e/MAINTAINERS

@@ -0,0 +1,7 @@
+J721E BOARD
+M:	Lokesh Vutla <lokeshvutla@ti.com>
+S:	Maintained
+F:	board/ti/j721e
+F:	include/configs/j721e_evm.h
+F:	configs/j721e_evm_r5_defconfig
+F:	configs/j721e_evm_a72_defconfig

board/ti/j721e/Makefile

@@ -0,0 +1,8 @@
+#
+# Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+#	Lokesh Vutla <lokeshvutla@ti.com>
+#
+# SPDX-License-Identifier:     GPL-2.0+
+#
+
+obj-y	+= evm.o

board/ti/j721e/evm.c

@@ -0,0 +1,82 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Board specific initialization for J721E EVM
+ *
+ * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla <lokeshvutla@ti.com>
+ *
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <spl.h>
+#include <asm/arch/sys_proto.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+	return 0;
+}
+
+int dram_init(void)
+{
+#ifdef CONFIG_PHYS_64BIT
+	gd->ram_size = 0x100000000;
+#else
+	gd->ram_size = 0x80000000;
+#endif
+
+	return 0;
+}
+
+ulong board_get_usable_ram_top(ulong total_size)
+{
+#ifdef CONFIG_PHYS_64BIT
+	/* Limit RAM used by U-Boot to the DDR low region */
+	if (gd->ram_top > 0x100000000)
+		return 0x100000000;
+#endif
+
+	return gd->ram_top;
+}
+
+int dram_init_banksize(void)
+{
+	/* Bank 0 declares the memory available in the DDR low region */
+	gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_dram[0].size = 0x80000000;
+	gd->ram_size = 0x80000000;
+
+#ifdef CONFIG_PHYS_64BIT
+	/* Bank 1 declares the memory available in the DDR high region */
+	gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE1;
+	gd->bd->bi_dram[1].size = 0x80000000;
+	gd->ram_size = 0x100000000;
+#endif
+
+	return 0;
+}
+
+#ifdef CONFIG_SPL_LOAD_FIT
+int board_fit_config_name_match(const char *name)
+{
+	if (!strcmp(name, "k3-j721e-common-proc-board"))
+		return 0;
+
+	return -1;
+}
+#endif
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+int ft_board_setup(void *blob, bd_t *bd)
+{
+	int ret;
+
+	ret = fdt_fixup_msmc_ram(blob, "/interconnect@100000", "sram@70000000");
+	if (ret)
+		printf("%s: fixing up msmc ram failed %d\n", __func__, ret);
+
+	return ret;
+}
+#endif

cmd/remoteproc.c

@@ -34,6 +34,10 @@ static int print_remoteproc_list(void)
 
 		uc_pdata = dev_get_uclass_platdata(dev);
 
+		/* Do not print if rproc is not probed */
+		if (!(dev->flags & DM_FLAG_ACTIVATED))
+			continue;
+
 		switch (uc_pdata->mem_type) {
 		case RPROC_INTERNAL_MEMORY_MAPPED:
 			type = "internal memory mapped";
@@ -68,12 +72,22 @@ static int print_remoteproc_list(void)
 static int do_rproc_init(cmd_tbl_t *cmdtp, int flag, int argc,
 			 char *const argv[])
 {
+	int id;
+
 	if (rproc_is_initialized()) {
 		printf("\tRemote Processors are already initialized\n");
-	} else {
+		return CMD_RET_FAILURE;
+	}
+
+	if (argc == 1) {
 		if (!rproc_init())
 			return 0;
-		printf("Few Remote Processors failed to be initalized\n");
+		printf("Few Remote Processors failed to be initialized\n");
+	} else if (argc == 2) {
+		id = (int)simple_strtoul(argv[1], NULL, 10);
+		if (!rproc_dev_init(id))
+			return 0;
+		printf("Remote Processor %d failed to be initialized\n", id);
 	}
 
 	return CMD_RET_FAILURE;
@@ -91,11 +105,6 @@ static int do_rproc_init(cmd_tbl_t *cmdtp, int flag, int argc,
 static int do_remoteproc_list(cmd_tbl_t *cmdtp, int flag, int argc,
 			      char *const argv[])
 {
-	if (!rproc_is_initialized()) {
-		printf("\t Remote Processors is not initialized\n");
-		return CMD_RET_USAGE;
-	}
-
 	if (print_remoteproc_list())
 		return CMD_RET_FAILURE;
 
@@ -130,11 +139,6 @@ static int do_remoteproc_load(cmd_tbl_t *cmdtp, int flag, int argc,
 		return CMD_RET_USAGE;
 	}
 
-	if (!rproc_is_initialized()) {
-		printf("\tRemote Processors are not initialized\n");
-		return CMD_RET_USAGE;
-	}
-
 	ret = rproc_load(id, addr, size);
 	printf("Load Remote Processor %d with data@addr=0x%08lx %lu bytes:%s\n",
 	       id, addr, size, ret ? " Failed!" : " Success!");
@@ -165,11 +169,6 @@ static int do_remoteproc_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
 
 	id = (int)simple_strtoul(argv[1], NULL, 10);
 
-	if (!rproc_is_initialized()) {
-		printf("\tRemote Processors are not initialized\n");
-		return CMD_RET_USAGE;
-	}
-
 	if (!strcmp(argv[0], "start")) {
 		ret = rproc_start(id);
 	} else if (!strcmp(argv[0], "stop")) {
@@ -203,8 +202,10 @@ static int do_remoteproc_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
 }
 
 static cmd_tbl_t cmd_remoteproc_sub[] = {
-	U_BOOT_CMD_MKENT(init, 0, 1, do_rproc_init,
+	U_BOOT_CMD_MKENT(init, 1, 1, do_rproc_init,
-			 "Enumerate and initialize all processors", ""),
+			 "Enumerate and initialize the remote processor(s)",
+			 "id - ID of the remote processor\n"
+			 "If id is not passed, initialize all the remote processors"),
 	U_BOOT_CMD_MKENT(list, 0, 1, do_remoteproc_list,
 			 "list remote processors", ""),
 	U_BOOT_CMD_MKENT(load, 5, 1, do_remoteproc_load,
@@ -270,7 +271,8 @@ U_BOOT_CMD(rproc, 5, 1, do_remoteproc,
 	   "\t\tNote: Services are dependent on the driver capability\n"
 	   "\t\t      'list' command shows the capability of each device\n"
 	   "\n\tSubcommands:\n"
-	   "\tinit   - Enumerate and initalize the remote processors\n"
+	   "\tinit <id> - Enumerate and initalize the remote processor.\n"
+	   "\t		  if id is not passed, initialize all the remote prcessors\n"
 	   "\tlist   - list available remote processors\n"
 	   "\tload <id> [addr] [size]- Load the remote processor with binary\n"
 	   "\t		  image stored at address [addr] in memory\n"

configs/am3517_evm_defconfig

@@ -1,11 +1,15 @@
 CONFIG_ARM=y
+# CONFIG_SPL_USE_ARCH_MEMCPY is not set
+# CONFIG_TPL_USE_ARCH_MEMCPY is not set
+# CONFIG_SPL_USE_ARCH_MEMSET is not set
+# CONFIG_TPL_USE_ARCH_MEMSET is not set
 CONFIG_ARCH_OMAP2PLUS=y
 CONFIG_SYS_TEXT_BASE=0x80100000
 CONFIG_TI_COMMON_CMD_OPTIONS=y
-# CONFIG_SPL_GPIO_SUPPORT is not set
+CONFIG_SYS_MALLOC_F_LEN=0x4000
-CONFIG_SYS_MALLOC_F_LEN=0x2000
 CONFIG_TARGET_AM3517_EVM=y
 CONFIG_EMIF4=y
+CONFIG_SPL_SYS_MALLOC_F_LEN=0x3000
 CONFIG_NR_DRAM_BANKS=2
 CONFIG_SPL=y
 CONFIG_DISTRO_DEFAULTS=y
@@ -14,9 +18,13 @@ CONFIG_BOOTDELAY=10
 CONFIG_VERSION_VARIABLE=y
 CONFIG_SPL_TEXT_BASE=0x40200000
 CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_SEPARATE_BSS=y
+# CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR is not set
 # CONFIG_SPL_FS_EXT4 is not set
+# CONFIG_SPL_I2C_SUPPORT is not set
 CONFIG_SPL_MTD_SUPPORT=y
 CONFIG_SPL_OS_BOOT=y
+# CONFIG_SPL_POWER_SUPPORT is not set
 CONFIG_SYS_PROMPT="AM3517_EVM # "
 # CONFIG_CMD_IMI is not set
 CONFIG_CMD_SPL=y
@@ -34,9 +42,13 @@ CONFIG_MTDIDS_DEFAULT="nand0=omap2-nand.0"
 CONFIG_MTDPARTS_DEFAULT="mtdparts=omap2-nand.0:512k(MLO),1920k(u-boot),256k(u-boot-env),8m(kernel),512k(dtb),-(rootfs)"
 CONFIG_CMD_UBI=y
 CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
 CONFIG_DEFAULT_DEVICE_TREE="am3517-evm"
 # CONFIG_ENV_IS_IN_FAT is not set
 CONFIG_ENV_IS_IN_NAND=y
+CONFIG_SPL_DM=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_OF_TRANSLATE=y
 CONFIG_DM_PCA953X=y
 CONFIG_MMC_OMAP_HS=y
 CONFIG_NAND=y
@@ -49,8 +61,12 @@ CONFIG_MII=y
 CONFIG_DRIVER_TI_EMAC=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_SINGLE=y
+CONFIG_DM_PMIC=y
+# CONFIG_SPL_PMIC_CHILDREN is not set
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_REGULATOR_GPIO=y
 # CONFIG_TWL4030_POWER is not set
-CONFIG_CONS_INDEX=3
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_OMAP3_SPI=y
@@ -60,3 +76,4 @@ CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
 CONFIG_USB_MUSB_AM35X=y
 CONFIG_BCH=y
+CONFIG_SPL_TINY_MEMSET=y

configs/am65x_evm_a53_defconfig

@@ -80,7 +80,6 @@ CONFIG_PINCTRL_SINGLE=y
 CONFIG_POWER_DOMAIN=y
 CONFIG_TI_SCI_POWER_DOMAIN=y
 CONFIG_K3_SYSTEM_CONTROLLER=y
-CONFIG_REMOTEPROC_K3=y
 CONFIG_DM_RESET=y
 CONFIG_RESET_TI_SCI=y
 CONFIG_DM_SERIAL=y

configs/am65x_evm_r5_defconfig

@@ -86,7 +86,7 @@ CONFIG_SPL_DM_REGULATOR_GPIO=y
 CONFIG_RAM=y
 CONFIG_SPL_RAM=y
 CONFIG_K3_SYSTEM_CONTROLLER=y
-CONFIG_REMOTEPROC_K3=y
+CONFIG_REMOTEPROC_TI_K3_ARM64=y
 CONFIG_DM_RESET=y
 CONFIG_RESET_TI_SCI=y
 CONFIG_DM_SERIAL=y

configs/am65x_hs_evm_a53_defconfig

@@ -77,7 +77,6 @@ CONFIG_PINCTRL_SINGLE=y
 CONFIG_POWER_DOMAIN=y
 CONFIG_TI_SCI_POWER_DOMAIN=y
 CONFIG_K3_SYSTEM_CONTROLLER=y
-CONFIG_REMOTEPROC_K3=y
 CONFIG_DM_RESET=y
 CONFIG_RESET_TI_SCI=y
 CONFIG_DM_SERIAL=y

configs/am65x_hs_evm_r5_defconfig

@@ -86,7 +86,7 @@ CONFIG_SPL_DM_REGULATOR_GPIO=y
 CONFIG_RAM=y
 CONFIG_SPL_RAM=y
 CONFIG_K3_SYSTEM_CONTROLLER=y
-CONFIG_REMOTEPROC_K3=y
+CONFIG_REMOTEPROC_TI_K3_ARM64=y
 CONFIG_DM_RESET=y
 CONFIG_RESET_TI_SCI=y
 CONFIG_DM_SERIAL=y

configs/da850_am18xxevm_defconfig

@@ -58,4 +58,10 @@ CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+# CONFIG_SPL_DM_USB is not set
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_DA8XX=y
+CONFIG_USB_STORAGE=y
 # CONFIG_FAT_WRITE is not set

configs/da850evm_defconfig

@@ -74,5 +74,6 @@ CONFIG_DM_USB=y
 # CONFIG_SPL_DM_USB is not set
 CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_OHCI_DA8XX=y
+CONFIG_USB_STORAGE=y
 # CONFIG_FAT_WRITE is not set
 CONFIG_USE_TINY_PRINTF=y

configs/da850evm_direct_nor_defconfig

@@ -61,3 +61,9 @@ CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+# CONFIG_SPL_DM_USB is not set
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_DA8XX=y
+CONFIG_USB_STORAGE=y

configs/da850evm_nand_defconfig

@@ -67,5 +67,11 @@ CONFIG_SYS_NS16550=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_DAVINCI_SPI=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+# CONFIG_SPL_DM_USB is not set
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_DA8XX=y
+CONFIG_USB_STORAGE=y
 # CONFIG_FAT_WRITE is not set
 CONFIG_USE_TINY_PRINTF=y

configs/j721e_evm_a72_defconfig

@@ -0,0 +1,86 @@
+CONFIG_ARM=y
+CONFIG_ARCH_K3=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SYS_MALLOC_F_LEN=0x8000
+CONFIG_SOC_K3_J721E=y
+CONFIG_TARGET_J721E_A72_EVM=y
+CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_NR_DRAM_BANKS=2
+CONFIG_SPL_STACK_R_ADDR=0x82000000
+CONFIG_SPL_FS_FAT=y
+CONFIG_SPL_LIBDISK_SUPPORT=y
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI_SUPPORT=y
+CONFIG_DISTRO_DEFAULTS=y
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_BOOTCOMMAND="run findfdt; run envboot; run init_${boot}; run get_kern_${boot}; run get_fdt_${boot}; run get_overlay_${boot}; run run_kern"
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_SPL_TEXT_BASE=0x80080000
+CONFIG_SPL_SYS_MALLOC_SIMPLE=y
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_SPL_DM_MAILBOX=y
+CONFIG_SPL_DM_RESET=y
+CONFIG_SPL_POWER_SUPPORT=y
+CONFIG_SPL_POWER_DOMAIN=y
+CONFIG_SPL_REMOTEPROC=y
+CONFIG_SPL_SPI_LOAD=y
+CONFIG_SPL_YMODEM_SUPPORT=y
+CONFIG_CMD_ASKENV=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_REMOTEPROC=y
+CONFIG_CMD_SF=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_TIME=y
+CONFIG_CMD_EXT4_WRITE=y
+# CONFIG_ISO_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="k3-j721e-common-proc-board"
+CONFIG_SPL_MULTI_DTB_FIT=y
+CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
+CONFIG_DM=y
+CONFIG_SPL_DM=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_REGMAP=y
+CONFIG_SPL_REGMAP=y
+CONFIG_SYSCON=y
+CONFIG_SPL_OF_TRANSLATE=y
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
+CONFIG_CLK_TI_SCI=y
+CONFIG_TI_SCI_PROTOCOL=y
+CONFIG_DM_MAILBOX=y
+CONFIG_K3_SEC_PROXY=y
+CONFIG_MISC=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_AM654=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_PINCTRL=y
+# CONFIG_PINCTRL_GENERIC is not set
+CONFIG_SPL_PINCTRL=y
+# CONFIG_SPL_PINCTRL_GENERIC is not set
+CONFIG_PINCTRL_SINGLE=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_TI_SCI_POWER_DOMAIN=y
+CONFIG_K3_SYSTEM_CONTROLLER=y
+CONFIG_DM_RESET=y
+CONFIG_RESET_TI_SCI=y
+CONFIG_DM_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_CADENCE_QSPI=y
+CONFIG_SYSRESET=y
+CONFIG_SPL_SYSRESET=y
+CONFIG_SYSRESET_TI_SCI=y
+CONFIG_OF_LIBFDT_OVERLAY=y

configs/j721e_evm_r5_defconfig

@@ -0,0 +1,95 @@
+CONFIG_ARM=y
+CONFIG_ARCH_K3=y
+CONFIG_SPL_GPIO_SUPPORT=y
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_SYS_MALLOC_F_LEN=0x55000
+CONFIG_SOC_K3_J721E=y
+CONFIG_TARGET_J721E_R5_EVM=y
+CONFIG_SPL_MMC_SUPPORT=y
+CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
+CONFIG_SPL_STACK_R_ADDR=0x82000000
+CONFIG_SPL_FS_FAT=y
+CONFIG_SPL_LIBDISK_SUPPORT=y
+# CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI_SUPPORT=y
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_USE_BOOTCOMMAND=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_SPL_TEXT_BASE=0x41c00000
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_SEPARATE_BSS=y
+CONFIG_SPL_EARLY_BSS=y
+CONFIG_SPL_ENV_SUPPORT=y
+CONFIG_SPL_I2C_SUPPORT=y
+CONFIG_SPL_DM_MAILBOX=y
+CONFIG_SPL_DM_RESET=y
+CONFIG_SPL_POWER_SUPPORT=y
+CONFIG_SPL_POWER_DOMAIN=y
+CONFIG_SPL_RAM_SUPPORT=y
+CONFIG_SPL_RAM_DEVICE=y
+CONFIG_SPL_REMOTEPROC=y
+CONFIG_SPL_SPI_LOAD=y
+CONFIG_SPL_YMODEM_SUPPORT=y
+CONFIG_HUSH_PARSER=y
+# CONFIG_CMD_FLASH is not set
+CONFIG_CMD_GPT=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_REMOTEPROC=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_DOS_PARTITION=y
+CONFIG_CMD_TIME=y
+CONFIG_CMD_FAT=y
+CONFIG_OF_CONTROL=y
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="k3-j721e-r5-common-proc-board"
+CONFIG_SPL_MULTI_DTB_FIT=y
+CONFIG_SPL_MULTI_DTB_FIT_NO_COMPRESSION=y
+CONFIG_DM=y
+CONFIG_SPL_DM=y
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_REGMAP=y
+CONFIG_SPL_REGMAP=y
+CONFIG_SPL_OF_TRANSLATE=y
+CONFIG_CLK=y
+CONFIG_SPL_CLK=y
+CONFIG_CLK_TI_SCI=y
+CONFIG_TI_SCI_PROTOCOL=y
+CONFIG_DM_GPIO=y
+CONFIG_DA8XX_GPIO=y
+CONFIG_DM_MAILBOX=y
+CONFIG_K3_SEC_PROXY=y
+CONFIG_MISC=y
+CONFIG_FS_LOADER=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_AM654=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_STMICRO=y
+CONFIG_PINCTRL=y
+# CONFIG_PINCTRL_GENERIC is not set
+CONFIG_SPL_PINCTRL=y
+# CONFIG_SPL_PINCTRL_GENERIC is not set
+CONFIG_PINCTRL_SINGLE=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_TI_SCI_POWER_DOMAIN=y
+CONFIG_K3_SYSTEM_CONTROLLER=y
+CONFIG_REMOTEPROC_TI_K3_ARM64=y
+CONFIG_DM_RESET=y
+CONFIG_RESET_TI_SCI=y
+CONFIG_DM_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_CADENCE_QSPI=y
+CONFIG_SYSRESET=y
+CONFIG_SPL_SYSRESET=y
+CONFIG_SYSRESET_TI_SCI=y
+CONFIG_TIMER=y
+CONFIG_SPL_TIMER=y
+CONFIG_OMAP_TIMER=y
+CONFIG_FS_EXT4=y
+CONFIG_FS_FAT=y
+CONFIG_FS_FAT_MAX_CLUSTSIZE=16384

configs/omap35_logic_defconfig

@@ -41,7 +41,6 @@ CONFIG_DEFAULT_DEVICE_TREE="logicpd-torpedo-35xx-devkit"
 # CONFIG_ENV_IS_IN_FAT is not set
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SPL_DM=y
-CONFIG_SPL_DM_SEQ_ALIAS=y
 CONFIG_SPL_OF_TRANSLATE=y
 CONFIG_DM_I2C=y
 CONFIG_DM_MMC=y
@@ -69,6 +68,7 @@ CONFIG_USB=y
 CONFIG_DM_USB=y
 # CONFIG_SPL_DM_USB is not set
 CONFIG_USB_EHCI_HCD=y
+# CONFIG_USB_EHCI_OMAP is not set
 CONFIG_USB_MUSB_HOST=y
 CONFIG_USB_MUSB_OMAP2PLUS=y
 CONFIG_TWL4030_USB=y

configs/omap3_logic_defconfig

@@ -40,7 +40,6 @@ CONFIG_DEFAULT_DEVICE_TREE="logicpd-torpedo-37xx-devkit"
 # CONFIG_ENV_IS_IN_FAT is not set
 CONFIG_ENV_IS_IN_NAND=y
 CONFIG_SPL_DM=y
-CONFIG_SPL_DM_SEQ_ALIAS=y
 CONFIG_DM_I2C=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_OMAP_HS=y
@@ -68,6 +67,7 @@ CONFIG_USB=y
 CONFIG_DM_USB=y
 # CONFIG_SPL_DM_USB is not set
 CONFIG_USB_EHCI_HCD=y
+# CONFIG_USB_EHCI_OMAP is not set
 CONFIG_USB_MUSB_HOST=y
 CONFIG_USB_MUSB_OMAP2PLUS=y
 CONFIG_TWL4030_USB=y

doc/device-tree-bindings/power/ti,sci-pm-domain.txt

@@ -17,8 +17,15 @@ child of the sysfw node.
 Required Properties:
 --------------------
 - compatible: Must be "ti,sci-pm-domain"
-- #power-domain-cells: Must be 1 so that an id can be provided in each
+- #power-domain-cells: Can be one of the following:
-		       device node.
+			1: Containing the device id of each node
+			2: First entry should be device id
+			   Second entry should be one of the floowing:
+			   TI_SCI_PD_EXCLUSIVE: To allow device to be
+						exclusively controlled by
+						the requesting hosts.
+			   TI_SCI_PD_SHARED: To allow device to be shared
+					     by multiple hosts.
 
 Example (AM65x):
 ----------------

drivers/firmware/ti_sci.c

@@ -87,11 +87,18 @@ struct ti_sci_info {
 	struct mbox_chan chan_notify;
 	struct ti_sci_xfer xfer;
 	struct list_head list;
+	struct list_head dev_list;
 	bool is_secure;
 	u8 host_id;
 	u8 seq;
 };
 
+struct ti_sci_exclusive_dev {
+	u32 id;
+	u32 count;
+	struct list_head list;
+};
+
 #define handle_to_ti_sci_info(h) container_of(h, struct ti_sci_info, handle)
 
 /**
@@ -101,7 +108,8 @@ struct ti_sci_info {
  * @msg_flags:	Flag to set for the message
  * @buf:	Buffer to be send to mailbox channel
  * @tx_message_size: transmit message size
- * @rx_message_size: receive message size
+ * @rx_message_size: receive message size. may be set to zero for send-only
+ *		     transactions.
  *
  * Helper function which is used by various command functions that are
  * exposed to clients of this driver for allocating a message traffic event.
@@ -121,7 +129,8 @@ static struct ti_sci_xfer *ti_sci_setup_one_xfer(struct ti_sci_info *info,
 	/* Ensure we have sane transfer sizes */
 	if (rx_message_size > info->desc->max_msg_size ||
 	    tx_message_size > info->desc->max_msg_size ||
-	    rx_message_size < sizeof(*hdr) || tx_message_size < sizeof(*hdr))
+	    (rx_message_size > 0 && rx_message_size < sizeof(*hdr)) ||
+	    tx_message_size < sizeof(*hdr))
 		return ERR_PTR(-ERANGE);
 
 	info->seq = ~info->seq;
@@ -219,7 +228,9 @@ static inline int ti_sci_do_xfer(struct ti_sci_info *info,
 
 		xfer->tx_message.buf = (u32 *)secure_buf;
 		xfer->tx_message.len += sizeof(secure_hdr);
-		xfer->rx_len += sizeof(secure_hdr);
+
+		if (xfer->rx_len)
+			xfer->rx_len += sizeof(secure_hdr);
 	}
 
 	/* Send the message */
@@ -230,7 +241,11 @@ static inline int ti_sci_do_xfer(struct ti_sci_info *info,
 		return ret;
 	}
 
-	return ti_sci_get_response(info, xfer, &info->chan_rx);
+	/* Get response if requested */
+	if (xfer->rx_len)
+		ret = ti_sci_get_response(info, xfer, &info->chan_rx);
+
+	return ret;
 }
 
 /**
@@ -419,6 +434,47 @@ static int ti_sci_cmd_set_board_config_pm(const struct ti_sci_handle *handle,
 					      addr, size);
 }
 
+static struct ti_sci_exclusive_dev
+*ti_sci_get_exclusive_dev(struct list_head *dev_list, u32 id)
+{
+	struct ti_sci_exclusive_dev *dev;
+
+	list_for_each_entry(dev, dev_list, list)
+		if (dev->id == id)
+			return dev;
+
+	return NULL;
+}
+
+static void ti_sci_add_exclusive_dev(struct ti_sci_info *info, u32 id)
+{
+	struct ti_sci_exclusive_dev *dev;
+
+	dev = ti_sci_get_exclusive_dev(&info->dev_list, id);
+	if (dev) {
+		dev->count++;
+		return;
+	}
+
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	dev->id = id;
+	dev->count = 1;
+	INIT_LIST_HEAD(&dev->list);
+	list_add_tail(&dev->list, &info->dev_list);
+}
+
+static void ti_sci_delete_exclusive_dev(struct ti_sci_info *info, u32 id)
+{
+	struct ti_sci_exclusive_dev *dev;
+
+	dev = ti_sci_get_exclusive_dev(&info->dev_list, id);
+	if (!dev)
+		return;
+
+	if (dev->count > 0)
+		dev->count--;
+}
+
 /**
  * ti_sci_set_device_state() - Set device state helper
  * @handle:	pointer to TI SCI handle
@@ -466,6 +522,54 @@ static int ti_sci_set_device_state(const struct ti_sci_handle *handle,
 	if (!ti_sci_is_response_ack(resp))
 		return -ENODEV;
 
+	if (state == MSG_DEVICE_SW_STATE_AUTO_OFF)
+		ti_sci_delete_exclusive_dev(info, id);
+	else if (flags & MSG_FLAG_DEVICE_EXCLUSIVE)
+		ti_sci_add_exclusive_dev(info, id);
+
+	return ret;
+}
+
+/**
+ * ti_sci_set_device_state_no_wait() - Set device state helper without
+ *				       requesting or waiting for a response.
+ * @handle:	pointer to TI SCI handle
+ * @id:		Device identifier
+ * @flags:	flags to setup for the device
+ * @state:	State to move the device to
+ *
+ * Return: 0 if all went well, else returns appropriate error value.
+ */
+static int ti_sci_set_device_state_no_wait(const struct ti_sci_handle *handle,
+					   u32 id, u32 flags, u8 state)
+{
+	struct ti_sci_msg_req_set_device_state req;
+	struct ti_sci_info *info;
+	struct ti_sci_xfer *xfer;
+	int ret = 0;
+
+	if (IS_ERR(handle))
+		return PTR_ERR(handle);
+	if (!handle)
+		return -EINVAL;
+
+	info = handle_to_ti_sci_info(handle);
+
+	xfer = ti_sci_setup_one_xfer(info, TI_SCI_MSG_SET_DEVICE_STATE,
+				     flags | TI_SCI_FLAG_REQ_GENERIC_NORESPONSE,
+				     (u32 *)&req, sizeof(req), 0);
+	if (IS_ERR(xfer)) {
+		ret = PTR_ERR(xfer);
+		dev_err(info->dev, "Message alloc failed(%d)\n", ret);
+		return ret;
+	}
+	req.id = id;
+	req.state = state;
+
+	ret = ti_sci_do_xfer(info, xfer);
+	if (ret)
+		dev_err(info->dev, "Mbox send fail %d\n", ret);
+
 	return ret;
 }
 
@@ -547,8 +651,14 @@ static int ti_sci_get_device_state(const struct ti_sci_handle *handle,
  */
 static int ti_sci_cmd_get_device(const struct ti_sci_handle *handle, u32 id)
 {
-	return ti_sci_set_device_state(handle, id,
+	return ti_sci_set_device_state(handle, id, 0,
-				       MSG_FLAG_DEVICE_EXCLUSIVE,
+				       MSG_DEVICE_SW_STATE_ON);
+}
+
+static int ti_sci_cmd_get_device_exclusive(const struct ti_sci_handle *handle,
+					   u32 id)
+{
+	return ti_sci_set_device_state(handle, id, MSG_FLAG_DEVICE_EXCLUSIVE,
 				       MSG_DEVICE_SW_STATE_ON);
 }
 
@@ -566,7 +676,14 @@ static int ti_sci_cmd_get_device(const struct ti_sci_handle *handle, u32 id)
 static int ti_sci_cmd_idle_device(const struct ti_sci_handle *handle, u32 id)
 {
 	return ti_sci_set_device_state(handle, id,
-				       MSG_FLAG_DEVICE_EXCLUSIVE,
+				       0,
+				       MSG_DEVICE_SW_STATE_RETENTION);
+}
+
+static int ti_sci_cmd_idle_device_exclusive(const struct ti_sci_handle *handle,
+					    u32 id)
+{
+	return ti_sci_set_device_state(handle, id, MSG_FLAG_DEVICE_EXCLUSIVE,
 				       MSG_DEVICE_SW_STATE_RETENTION);
 }
 
@@ -583,8 +700,27 @@ static int ti_sci_cmd_idle_device(const struct ti_sci_handle *handle, u32 id)
  */
 static int ti_sci_cmd_put_device(const struct ti_sci_handle *handle, u32 id)
 {
-	return ti_sci_set_device_state(handle, id,
+	return ti_sci_set_device_state(handle, id, 0,
-				       0, MSG_DEVICE_SW_STATE_AUTO_OFF);
+				       MSG_DEVICE_SW_STATE_AUTO_OFF);
+}
+
+static
+int ti_sci_cmd_release_exclusive_devices(const struct ti_sci_handle *handle)
+{
+	struct ti_sci_exclusive_dev *dev, *tmp;
+	struct ti_sci_info *info;
+	int i, cnt;
+
+	info = handle_to_ti_sci_info(handle);
+
+	list_for_each_entry_safe(dev, tmp, &info->dev_list, list) {
+		cnt = dev->count;
+		debug("%s: id = %d, cnt = %d\n", __func__, dev->id, cnt);
+		for (i = 0; i < cnt; i++)
+			ti_sci_cmd_put_device(handle, dev->id);
+	}
+
+	return 0;
 }
 
 /**
@@ -2026,6 +2162,137 @@ static int ti_sci_cmd_get_proc_boot_status(const struct ti_sci_handle *handle,
 	return ret;
 }
 
+/**
+ * ti_sci_proc_wait_boot_status_no_wait() - Helper function to wait for a
+ *				processor boot status without requesting or
+ *				waiting for a response.
+ * @proc_id:			Processor ID this request is for
+ * @num_wait_iterations:	Total number of iterations we will check before
+ *				we will timeout and give up
+ * @num_match_iterations:	How many iterations should we have continued
+ *				status to account for status bits glitching.
+ *				This is to make sure that match occurs for
+ *				consecutive checks. This implies that the
+ *				worst case should consider that the stable
+ *				time should at the worst be num_wait_iterations
+ *				num_match_iterations to prevent timeout.
+ * @delay_per_iteration_us:	Specifies how long to wait (in micro seconds)
+ *				between each status checks. This is the minimum
+ *				duration, and overhead of register reads and
+ *				checks are on top of this and can vary based on
+ *				varied conditions.
+ * @delay_before_iterations_us:	Specifies how long to wait (in micro seconds)
+ *				before the very first check in the first
+ *				iteration of status check loop. This is the
+ *				minimum duration, and overhead of register
+ *				reads and checks are.
+ * @status_flags_1_set_all_wait:If non-zero, Specifies that all bits of the
+ *				status matching this field requested MUST be 1.
+ * @status_flags_1_set_any_wait:If non-zero, Specifies that at least one of the
+ *				bits matching this field requested MUST be 1.
+ * @status_flags_1_clr_all_wait:If non-zero, Specifies that all bits of the
+ *				status matching this field requested MUST be 0.
+ * @status_flags_1_clr_any_wait:If non-zero, Specifies that at least one of the
+ *				bits matching this field requested MUST be 0.
+ *
+ * Return: 0 if all goes well, else appropriate error message
+ */
+static int
+ti_sci_proc_wait_boot_status_no_wait(const struct ti_sci_handle *handle,
+				     u8 proc_id,
+				     u8 num_wait_iterations,
+				     u8 num_match_iterations,
+				     u8 delay_per_iteration_us,
+				     u8 delay_before_iterations_us,
+				     u32 status_flags_1_set_all_wait,
+				     u32 status_flags_1_set_any_wait,
+				     u32 status_flags_1_clr_all_wait,
+				     u32 status_flags_1_clr_any_wait)
+{
+	struct ti_sci_msg_req_wait_proc_boot_status req;
+	struct ti_sci_info *info;
+	struct ti_sci_xfer *xfer;
+	int ret = 0;
+
+	if (IS_ERR(handle))
+		return PTR_ERR(handle);
+	if (!handle)
+		return -EINVAL;
+
+	info = handle_to_ti_sci_info(handle);
+
+	xfer = ti_sci_setup_one_xfer(info, TISCI_MSG_WAIT_PROC_BOOT_STATUS,
+				     TI_SCI_FLAG_REQ_GENERIC_NORESPONSE,
+				     (u32 *)&req, sizeof(req), 0);
+	if (IS_ERR(xfer)) {
+		ret = PTR_ERR(xfer);
+		dev_err(info->dev, "Message alloc failed(%d)\n", ret);
+		return ret;
+	}
+	req.processor_id = proc_id;
+	req.num_wait_iterations = num_wait_iterations;
+	req.num_match_iterations = num_match_iterations;
+	req.delay_per_iteration_us = delay_per_iteration_us;
+	req.delay_before_iterations_us = delay_before_iterations_us;
+	req.status_flags_1_set_all_wait = status_flags_1_set_all_wait;
+	req.status_flags_1_set_any_wait = status_flags_1_set_any_wait;
+	req.status_flags_1_clr_all_wait = status_flags_1_clr_all_wait;
+	req.status_flags_1_clr_any_wait = status_flags_1_clr_any_wait;
+
+	ret = ti_sci_do_xfer(info, xfer);
+	if (ret)
+		dev_err(info->dev, "Mbox send fail %d\n", ret);
+
+	return ret;
+}
+
+/**
+ * ti_sci_cmd_proc_shutdown_no_wait() - Command to shutdown a core without
+ *		requesting or waiting for a response. Note that this API call
+ *		should be followed by placing the respective processor into
+ *		either WFE or WFI mode.
+ * @handle:	Pointer to TI SCI handle
+ * @proc_id:	Processor ID this request is for
+ *
+ * Return: 0 if all went well, else returns appropriate error value.
+ */
+static int ti_sci_cmd_proc_shutdown_no_wait(const struct ti_sci_handle *handle,
+					    u8 proc_id)
+{
+	int ret;
+
+	/*
+	 * Send the core boot status wait message waiting for either WFE or
+	 * WFI without requesting or waiting for a TISCI response with the
+	 * maximum wait time to give us the best chance to get to the WFE/WFI
+	 * command that should follow the invocation of this API before the
+	 * DMSC-internal processing of this command times out. Note that
+	 * waiting for the R5 WFE/WFI flags will also work on an ARMV8 type
+	 * core as the related flag bit positions are the same.
+	 */
+	ret = ti_sci_proc_wait_boot_status_no_wait(handle, proc_id,
+		U8_MAX, 100, U8_MAX, U8_MAX,
+		0, PROC_BOOT_STATUS_FLAG_R5_WFE | PROC_BOOT_STATUS_FLAG_R5_WFI,
+		0, 0);
+	if (ret) {
+		dev_err(info->dev, "Sending core %u wait message fail %d\n",
+			proc_id, ret);
+		return ret;
+	}
+
+	/*
+	 * Release a processor managed by TISCI without requesting or waiting
+	 * for a response.
+	 */
+	ret = ti_sci_set_device_state_no_wait(handle, proc_id, 0,
+					      MSG_DEVICE_SW_STATE_AUTO_OFF);
+	if (ret)
+		dev_err(info->dev, "Sending core %u shutdown message fail %d\n",
+			proc_id, ret);
+
+	return ret;
+}
+
 /**
  * ti_sci_cmd_ring_config() - configure RA ring
  * @handle:	pointer to TI SCI handle
@@ -2632,7 +2899,9 @@ static void ti_sci_setup_ops(struct ti_sci_info *info)
 	bops->board_config_pm = ti_sci_cmd_set_board_config_pm;
 
 	dops->get_device = ti_sci_cmd_get_device;
+	dops->get_device_exclusive = ti_sci_cmd_get_device_exclusive;
 	dops->idle_device = ti_sci_cmd_idle_device;
+	dops->idle_device_exclusive = ti_sci_cmd_idle_device_exclusive;
 	dops->put_device = ti_sci_cmd_put_device;
 	dops->is_valid = ti_sci_cmd_dev_is_valid;
 	dops->get_context_loss_count = ti_sci_cmd_dev_get_clcnt;
@@ -2642,6 +2911,7 @@ static void ti_sci_setup_ops(struct ti_sci_info *info)
 	dops->is_transitioning = ti_sci_cmd_dev_is_trans;
 	dops->set_device_resets = ti_sci_cmd_set_device_resets;
 	dops->get_device_resets = ti_sci_cmd_get_device_resets;
+	dops->release_exclusive_devices = ti_sci_cmd_release_exclusive_devices;
 
 	cops->get_clock = ti_sci_cmd_get_clock;
 	cops->idle_clock = ti_sci_cmd_idle_clock;
@@ -2672,6 +2942,7 @@ static void ti_sci_setup_ops(struct ti_sci_info *info)
 	pops->set_proc_boot_ctrl = ti_sci_cmd_set_proc_boot_ctrl;
 	pops->proc_auth_boot_image = ti_sci_cmd_proc_auth_boot_image;
 	pops->get_proc_boot_status = ti_sci_cmd_get_proc_boot_status;
+	pops->proc_shutdown_no_wait = ti_sci_cmd_proc_shutdown_no_wait;
 
 	rops->config = ti_sci_cmd_ring_config;
 	rops->get_config = ti_sci_cmd_ring_get_config;
@@ -2835,6 +3106,8 @@ static int ti_sci_probe(struct udevice *dev)
 
 	ret = ti_sci_cmd_get_revision(&info->handle);
 
+	INIT_LIST_HEAD(&info->dev_list);
+
 	return ret;
 }
 

drivers/firmware/ti_sci.h

@@ -50,6 +50,7 @@
 #define TISCI_MSG_SET_PROC_BOOT_CTRL	0xc101
 #define TISCI_MSG_PROC_AUTH_BOOT_IMIAGE	0xc120
 #define TISCI_MSG_GET_PROC_BOOT_STATUS	0xc400
+#define TISCI_MSG_WAIT_PROC_BOOT_STATUS	0xc401
 
 /* Resource Management Requests */
 #define TI_SCI_MSG_GET_RESOURCE_RANGE	0x1500
@@ -772,6 +773,55 @@ struct ti_sci_msg_resp_get_proc_boot_status {
 	u32 status_flags;
 } __packed;
 
+/**
+ * struct ti_sci_msg_req_wait_proc_boot_status - Wait for a processor
+ *						 boot status
+ * @hdr:			Generic Header
+ * @processor_id:		ID of processor
+ * @num_wait_iterations:	Total number of iterations we will check before
+ *				we will timeout and give up
+ * @num_match_iterations:	How many iterations should we have continued
+ *				status to account for status bits glitching.
+ *				This is to make sure that match occurs for
+ *				consecutive checks. This implies that the
+ *				worst case should consider that the stable
+ *				time should at the worst be num_wait_iterations
+ *				num_match_iterations to prevent timeout.
+ * @delay_per_iteration_us:	Specifies how long to wait (in micro seconds)
+ *				between each status checks. This is the minimum
+ *				duration, and overhead of register reads and
+ *				checks are on top of this and can vary based on
+ *				varied conditions.
+ * @delay_before_iterations_us:	Specifies how long to wait (in micro seconds)
+ *				before the very first check in the first
+ *				iteration of status check loop. This is the
+ *				minimum duration, and overhead of register
+ *				reads and checks are.
+ * @status_flags_1_set_all_wait:If non-zero, Specifies that all bits of the
+ *				status matching this field requested MUST be 1.
+ * @status_flags_1_set_any_wait:If non-zero, Specifies that at least one of the
+ *				bits matching this field requested MUST be 1.
+ * @status_flags_1_clr_all_wait:If non-zero, Specifies that all bits of the
+ *				status matching this field requested MUST be 0.
+ * @status_flags_1_clr_any_wait:If non-zero, Specifies that at least one of the
+ *				bits matching this field requested MUST be 0.
+ *
+ * Request type is TISCI_MSG_WAIT_PROC_BOOT_STATUS, response is appropriate
+ * message, or NACK in case of inability to satisfy request.
+ */
+struct ti_sci_msg_req_wait_proc_boot_status {
+	struct ti_sci_msg_hdr hdr;
+	u8 processor_id;
+	u8 num_wait_iterations;
+	u8 num_match_iterations;
+	u8 delay_per_iteration_us;
+	u8 delay_before_iterations_us;
+	u32 status_flags_1_set_all_wait;
+	u32 status_flags_1_set_any_wait;
+	u32 status_flags_1_clr_all_wait;
+	u32 status_flags_1_clr_any_wait;
+} __packed;
+
 /**
  * struct ti_sci_msg_rm_ring_cfg_req - Configure a Navigator Subsystem ring
  *

drivers/mmc/am654_sdhci.c

@@ -72,6 +72,8 @@ struct am654_sdhci_plat {
 	u32 otap_del_sel;
 	u32 trm_icp;
 	u32 drv_strength;
+	u32 flags;
+#define DLL_PRESENT	(1 << 0)
 	bool dll_on;
 };
 
@@ -162,6 +164,10 @@ const struct sdhci_ops am654_sdhci_ops = {
 	.set_control_reg	= &am654_sdhci_set_control_reg,
 };
 
+const struct sdhci_ops j721e_4bit_sdhci_ops = {
+	.set_control_reg	= &am654_sdhci_set_control_reg,
+};
+
 int am654_sdhci_init(struct am654_sdhci_plat *plat)
 {
 	u32 ctl_cfg_2 = 0;
@@ -172,25 +178,29 @@ int am654_sdhci_init(struct am654_sdhci_plat *plat)
 	mask = OTAPDLYENA_MASK | OTAPDLYSEL_MASK;
 	regmap_update_bits(plat->base, PHY_CTRL4, mask, 0x0);
 
-	regmap_read(plat->base, PHY_STAT1, &val);
+	if (plat->flags & DLL_PRESENT) {
-	if (~val & CALDONE_MASK) {
+		regmap_read(plat->base, PHY_STAT1, &val);
-		/* Calibrate IO lines */
+		if (~val & CALDONE_MASK) {
-		regmap_update_bits(plat->base, PHY_CTRL1, PDB_MASK, PDB_MASK);
+			/* Calibrate IO lines */
-		ret = regmap_read_poll_timeout(plat->base, PHY_STAT1, val,
+			regmap_update_bits(plat->base, PHY_CTRL1, PDB_MASK,
-					       val & CALDONE_MASK, 1, 20);
+					   PDB_MASK);
-		if (ret)
+			ret = regmap_read_poll_timeout(plat->base, PHY_STAT1,
-			return ret;
+						       val, val & CALDONE_MASK,
+						       1, 20);
+			if (ret)
+				return ret;
+		}
+
+		/* Configure DLL TRIM */
+		mask = DLL_TRIM_ICP_MASK;
+		val = plat->trm_icp << DLL_TRIM_ICP_SHIFT;
+
+		/* Configure DLL driver strength */
+		mask |= DR_TY_MASK;
+		val |= plat->drv_strength << DR_TY_SHIFT;
+		regmap_update_bits(plat->base, PHY_CTRL1, mask, val);
 	}
 
-	/* Configure DLL TRIM */
-	mask = DLL_TRIM_ICP_MASK;
-	val = plat->trm_icp << DLL_TRIM_ICP_SHIFT;
-
-	/* Configure DLL driver strength */
-	mask |= DR_TY_MASK;
-	val |= plat->drv_strength << DR_TY_SHIFT;
-	regmap_update_bits(plat->base, PHY_CTRL1, mask, val);
-
 	/* Enable pins by setting IO mux to 0 */
 	regmap_update_bits(plat->base, PHY_CTRL1, IOMUX_ENABLE_MASK, 0);
 
@@ -245,7 +255,7 @@ static int am654_sdhci_probe(struct udevice *dev)
 			      AM654_SDHCI_MIN_FREQ);
 	if (ret)
 		return ret;
-	host->ops = &am654_sdhci_ops;
+	host->ops = (struct sdhci_ops *)dev_get_driver_data(dev);
 	host->mmc->priv = host;
 	upriv->mmc = host->mmc;
 
@@ -268,37 +278,44 @@ static int am654_sdhci_ofdata_to_platdata(struct udevice *dev)
 	host->ioaddr = (void *)dev_read_addr(dev);
 	plat->non_removable = dev_read_bool(dev, "non-removable");
 
-	ret = dev_read_u32(dev, "ti,trm-icp", &plat->trm_icp);
+	if (device_is_compatible(dev, "ti,am654-sdhci-5.1") ||
-	if (ret)
+	    device_is_compatible(dev, "ti,j721e-sdhci-8bit"))
-		return ret;
+		plat->flags |= DLL_PRESENT;
 
 	ret = dev_read_u32(dev, "ti,otap-del-sel", &plat->otap_del_sel);
 	if (ret)
 		return ret;
 
-	ret = dev_read_u32(dev, "ti,driver-strength-ohm", &drv_strength);
+	if (plat->flags & DLL_PRESENT) {
-	if (ret)
+		ret = dev_read_u32(dev, "ti,trm-icp", &plat->trm_icp);
-		return ret;
+		if (ret)
+			return ret;
 
-	switch (drv_strength) {
+		ret = dev_read_u32(dev, "ti,driver-strength-ohm",
-	case 50:
+				   &drv_strength);
-		plat->drv_strength = DRIVER_STRENGTH_50_OHM;
+		if (ret)
-		break;
+			return ret;
-	case 33:
+
-		plat->drv_strength = DRIVER_STRENGTH_33_OHM;
+		switch (drv_strength) {
-		break;
+		case 50:
-	case 66:
+			plat->drv_strength = DRIVER_STRENGTH_50_OHM;
-		plat->drv_strength = DRIVER_STRENGTH_66_OHM;
+			break;
-		break;
+		case 33:
-	case 100:
+			plat->drv_strength = DRIVER_STRENGTH_33_OHM;
-		plat->drv_strength = DRIVER_STRENGTH_100_OHM;
+			break;
-		break;
+		case 66:
-	case 40:
+			plat->drv_strength = DRIVER_STRENGTH_66_OHM;
-		plat->drv_strength = DRIVER_STRENGTH_40_OHM;
+			break;
-		break;
+		case 100:
-	default:
+			plat->drv_strength = DRIVER_STRENGTH_100_OHM;
-		dev_err(dev, "Invalid driver strength\n");
+			break;
-		return -EINVAL;
+		case 40:
+			plat->drv_strength = DRIVER_STRENGTH_40_OHM;
+			break;
+		default:
+			dev_err(dev, "Invalid driver strength\n");
+			return -EINVAL;
+		}
 	}
 
 	ret = mmc_of_parse(dev, cfg);
@@ -316,7 +333,18 @@ static int am654_sdhci_bind(struct udevice *dev)
 }
 
 static const struct udevice_id am654_sdhci_ids[] = {
-	{ .compatible = "ti,am654-sdhci-5.1" },
+	{
+		.compatible = "ti,am654-sdhci-5.1",
+		.data = (ulong)&am654_sdhci_ops,
+	},
+	{
+		.compatible = "ti,j721e-sdhci-8bit",
+		.data = (ulong)&am654_sdhci_ops,
+	},
+	{
+		.compatible = "ti,j721e-sdhci-4bit",
+		.data = (ulong)&j721e_4bit_sdhci_ops,
+	},
 	{ }
 };
 

drivers/power/domain/ti-sci-power-domain.c

@@ -13,6 +13,7 @@
 #include <errno.h>
 #include <power-domain-uclass.h>
 #include <linux/soc/ti/ti_sci_protocol.h>
+#include <dt-bindings/soc/ti,sci_pm_domain.h>
 
 /**
  * struct ti_sci_power_domain_data - pm domain controller information structure
@@ -56,11 +57,16 @@ static int ti_sci_power_domain_on(struct power_domain *pd)
 	struct ti_sci_power_domain_data *data = dev_get_priv(pd->dev);
 	const struct ti_sci_handle *sci = data->sci;
 	const struct ti_sci_dev_ops *dops = &sci->ops.dev_ops;
+	u8 flags = (uintptr_t)pd->priv;
 	int ret;
 
 	debug("%s(pd=%p)\n", __func__, pd);
 
-	ret = dops->get_device(sci, pd->id);
+	if (flags & TI_SCI_PD_EXCLUSIVE)
+		ret = dops->get_device_exclusive(sci, pd->id);
+	else
+		ret = dops->get_device(sci, pd->id);
+
 	if (ret)
 		dev_err(power_domain->dev, "%s: get_device failed (%d)\n",
 			__func__, ret);
@@ -85,6 +91,28 @@ static int ti_sci_power_domain_off(struct power_domain *pd)
 	return ret;
 }
 
+static int ti_sci_power_domain_of_xlate(struct power_domain *pd,
+					struct ofnode_phandle_args *args)
+{
+	u8 flags;
+
+	debug("%s(power_domain=%p)\n", __func__, pd);
+
+	if (args->args_count < 1) {
+		debug("Invalid args_count: %d\n", args->args_count);
+		return -EINVAL;
+	}
+
+	pd->id = args->args[0];
+	/* By default request for device exclusive */
+	flags = TI_SCI_PD_EXCLUSIVE;
+	if (args->args_count == 2)
+		flags = args->args[1] & TI_SCI_PD_EXCLUSIVE;
+	pd->priv = (void *)(uintptr_t)flags;
+
+	return 0;
+}
+
 static const struct udevice_id ti_sci_power_domain_of_match[] = {
 	{ .compatible = "ti,sci-pm-domain" },
 	{ /* sentinel */ }
@@ -95,6 +123,7 @@ static struct power_domain_ops ti_sci_power_domain_ops = {
 	.free = ti_sci_power_domain_free,
 	.on = ti_sci_power_domain_on,
 	.off = ti_sci_power_domain_off,
+	.of_xlate = ti_sci_power_domain_of_xlate,
 };
 
 U_BOOT_DRIVER(ti_sci_pm_domains) = {

drivers/remoteproc/Kconfig

@@ -22,15 +22,6 @@ config K3_SYSTEM_CONTROLLER
 	help
 	  Say 'y' here to add support for TI' K3 System Controller.
 
-config REMOTEPROC_K3
-	bool "Support for TI's K3 based remoteproc driver"
-	select REMOTEPROC
-	depends on DM
-	depends on ARCH_K3
-	depends on OF_CONTROL
-	help
-	  Say 'y' here to add support for TI' K3 remoteproc driver.
-
 config REMOTEPROC_SANDBOX
 	bool "Support for Test processor for Sandbox"
 	select REMOTEPROC
@@ -50,6 +41,17 @@ config REMOTEPROC_STM32_COPRO
 	  Say 'y' here to add support for STM32 Cortex-M4 coprocessors via the
 	  remoteproc framework.
 
+config REMOTEPROC_TI_K3_ARM64
+	bool "Support for TI's K3 based ARM64 remoteproc driver"
+	select REMOTEPROC
+	depends on DM
+	depends on ARCH_K3
+	depends on OF_CONTROL
+	help
+	  Say y here to support TI's ARM64 processor subsystems
+	  on various TI K3 family of SoCs through the remote processor
+	  framework.
+
 config REMOTEPROC_TI_POWER
 	bool "Support for TI Power processor"
 	select REMOTEPROC

drivers/remoteproc/Makefile

@@ -8,7 +8,7 @@ obj-$(CONFIG_$(SPL_)REMOTEPROC) += rproc-uclass.o rproc-elf-loader.o
 
 # Remote proc drivers - Please keep this list alphabetically sorted.
 obj-$(CONFIG_K3_SYSTEM_CONTROLLER) += k3_system_controller.o
-obj-$(CONFIG_REMOTEPROC_K3) += k3_rproc.o
 obj-$(CONFIG_REMOTEPROC_SANDBOX) += sandbox_testproc.o
 obj-$(CONFIG_REMOTEPROC_STM32_COPRO) += stm32_copro.o
+obj-$(CONFIG_REMOTEPROC_TI_K3_ARM64) += ti_k3_arm64_rproc.o
 obj-$(CONFIG_REMOTEPROC_TI_POWER) += ti_power_proc.o

drivers/remoteproc/ti_k3_arm64_rproc.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Texas Instruments' K3 Remoteproc driver
+ * Texas Instruments' K3 ARM64 Remoteproc driver
  *
  * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/
  *	Lokesh Vutla <lokeshvutla@ti.com>
@@ -16,6 +16,7 @@
 #include <asm/io.h>
 #include <power-domain.h>
 #include <linux/soc/ti/ti_sci_protocol.h>
+#include "ti_sci_proc.h"
 
 #define INVALID_ID	0xffff
 
@@ -23,68 +24,53 @@
 #define GTC_CNTR_EN	0x3
 
 /**
- * struct k3_rproc_privdata - Structure representing Remote processor data.
+ * struct k3_arm64_privdata - Structure representing Remote processor data.
  * @rproc_pwrdmn:	rproc power domain data
  * @rproc_rst:		rproc reset control data
  * @sci:		Pointer to TISCI handle
+ * @tsp:		TISCI processor control helper structure
  * @gtc_base:		Timer base address.
- * @proc_id:		TISCI processor ID
- * @host_id:		TISCI host id to which the processor gets assigned to.
  */
-struct k3_rproc_privdata {
+struct k3_arm64_privdata {
 	struct power_domain rproc_pwrdmn;
 	struct power_domain gtc_pwrdmn;
 	struct reset_ctl rproc_rst;
-	const struct ti_sci_handle *sci;
+	struct ti_sci_proc tsp;
 	void *gtc_base;
-	u16 proc_id;
-	u16 host_id;
 };
 
 /**
- * k3_rproc_load() - Load up the Remote processor image
+ * k3_arm64_load() - Load up the Remote processor image
  * @dev:	rproc device pointer
  * @addr:	Address at which image is available
  * @size:	size of the image
  *
  * Return: 0 if all goes good, else appropriate error message.
  */
-static int k3_rproc_load(struct udevice *dev, ulong addr, ulong size)
+static int k3_arm64_load(struct udevice *dev, ulong addr, ulong size)
 {
-	struct k3_rproc_privdata *rproc = dev_get_priv(dev);
+	struct k3_arm64_privdata *rproc = dev_get_priv(dev);
-	const struct ti_sci_proc_ops *pops = &rproc->sci->ops.proc_ops;
 	int ret;
 
 	dev_dbg(dev, "%s addr = 0x%lx, size = 0x%lx\n", __func__, addr, size);
 
 	/* request for the processor */
-	ret = pops->proc_request(rproc->sci, rproc->proc_id);
+	ret = ti_sci_proc_request(&rproc->tsp);
-	if (ret) {
+	if (ret)
-		dev_err(dev, "Requesting processor failed %d\n", ret);
 		return ret;
-	}
 
-	ret = pops->set_proc_boot_cfg(rproc->sci, rproc->proc_id, addr, 0, 0);
+	return ti_sci_proc_set_config(&rproc->tsp, addr, 0, 0);
-	if (ret) {
-		dev_err(dev, "set_proc_boot_cfg failed %d\n", ret);
-		return ret;
-	}
-
-	dev_dbg(dev, "%s: rproc successfully loaded\n", __func__);
-
-	return 0;
 }
 
 /**
- * k3_rproc_start() - Start the remote processor
+ * k3_arm64_start() - Start the remote processor
  * @dev:	rproc device pointer
  *
  * Return: 0 if all went ok, else return appropriate error
  */
-static int k3_rproc_start(struct udevice *dev)
+static int k3_arm64_start(struct udevice *dev)
 {
-	struct k3_rproc_privdata *rproc = dev_get_priv(dev);
+	struct k3_arm64_privdata *rproc = dev_get_priv(dev);
-	const struct ti_sci_proc_ops *pops = &rproc->sci->ops.proc_ops;
 	int ret;
 
 	dev_dbg(dev, "%s\n", __func__);
@@ -109,33 +95,16 @@ static int k3_rproc_start(struct udevice *dev)
 		return ret;
 	}
 
-	if (rproc->host_id != INVALID_ID) {
+	return ti_sci_proc_release(&rproc->tsp);
-		ret = pops->proc_handover(rproc->sci, rproc->proc_id,
-					  rproc->host_id);
-		if (ret) {
-			dev_err(dev, "Handover processor failed %d\n", ret);
-			return ret;
-		}
-	} else {
-		ret = pops->proc_release(rproc->sci, rproc->proc_id);
-		if (ret) {
-			dev_err(dev, "Processor release failed %d\n", ret);
-			return ret;
-		}
-	}
-
-	dev_dbg(dev, "%s: rproc successfully started\n", __func__);
-
-	return 0;
 }
 
 /**
- * k3_rproc_init() - Initialize the remote processor
+ * k3_arm64_init() - Initialize the remote processor
  * @dev:	rproc device pointer
  *
  * Return: 0 if all went ok, else return appropriate error
  */
-static int k3_rproc_init(struct udevice *dev)
+static int k3_arm64_init(struct udevice *dev)
 {
 	dev_dbg(dev, "%s\n", __func__);
 
@@ -145,12 +114,33 @@ static int k3_rproc_init(struct udevice *dev)
 	return 0;
 }
 
-static const struct dm_rproc_ops k3_rproc_ops = {
+static const struct dm_rproc_ops k3_arm64_ops = {
-	.init = k3_rproc_init,
+	.init = k3_arm64_init,
-	.load = k3_rproc_load,
+	.load = k3_arm64_load,
-	.start = k3_rproc_start,
+	.start = k3_arm64_start,
 };
 
+static int ti_sci_proc_of_to_priv(struct udevice *dev, struct ti_sci_proc *tsp)
+{
+	dev_dbg(dev, "%s\n", __func__);
+
+	tsp->sci = ti_sci_get_by_phandle(dev, "ti,sci");
+	if (IS_ERR(tsp->sci)) {
+		dev_err(dev, "ti_sci get failed: %ld\n", PTR_ERR(tsp->sci));
+		return PTR_ERR(tsp->sci);
+	}
+
+	tsp->proc_id = dev_read_u32_default(dev, "ti,sci-proc-id", INVALID_ID);
+	if (tsp->proc_id == INVALID_ID) {
+		dev_err(dev, "proc id not populated\n");
+		return -ENOENT;
+	}
+	tsp->host_id = dev_read_u32_default(dev, "ti,sci-host-id", INVALID_ID);
+	tsp->ops = &tsp->sci->ops.proc_ops;
+
+	return 0;
+}
+
 /**
  * k3_of_to_priv() - generate private data from device tree
  * @dev:	corresponding k3 remote processor device
@@ -158,8 +148,8 @@ static const struct dm_rproc_ops k3_rproc_ops = {
  *
  * Return: 0 if all goes good, else appropriate error message.
  */
-static int k3_rproc_of_to_priv(struct udevice *dev,
+static int k3_arm64_of_to_priv(struct udevice *dev,
-			       struct k3_rproc_privdata *rproc)
+			       struct k3_arm64_privdata *rproc)
 {
 	int ret;
 
@@ -183,11 +173,9 @@ static int k3_rproc_of_to_priv(struct udevice *dev,
 		return ret;
 	}
 
-	rproc->sci = ti_sci_get_by_phandle(dev, "ti,sci");
+	ret = ti_sci_proc_of_to_priv(dev, &rproc->tsp);
-	if (IS_ERR(rproc->sci)) {
+	if (ret)
-		dev_err(dev, "ti_sci get failed: %d\n", ret);
+		return ret;
-		return PTR_ERR(rproc->sci);
-	}
 
 	rproc->gtc_base = dev_read_addr_ptr(dev);
 	if (!rproc->gtc_base) {
@@ -195,30 +183,25 @@ static int k3_rproc_of_to_priv(struct udevice *dev,
 		return -ENODEV;
 	}
 
-	rproc->proc_id = dev_read_u32_default(dev, "ti,sci-proc-id",
-					      INVALID_ID);
-	rproc->host_id = dev_read_u32_default(dev, "ti,sci-host-id",
-					      INVALID_ID);
-
 	return 0;
 }
 
 /**
- * k3_rproc_probe() - Basic probe
+ * k3_arm64_probe() - Basic probe
  * @dev:	corresponding k3 remote processor device
  *
  * Return: 0 if all goes good, else appropriate error message.
  */
-static int k3_rproc_probe(struct udevice *dev)
+static int k3_arm64_probe(struct udevice *dev)
 {
-	struct k3_rproc_privdata *priv;
+	struct k3_arm64_privdata *priv;
 	int ret;
 
 	dev_dbg(dev, "%s\n", __func__);
 
 	priv = dev_get_priv(dev);
 
-	ret = k3_rproc_of_to_priv(dev, priv);
+	ret = k3_arm64_of_to_priv(dev, priv);
 	if (ret) {
 		dev_dbg(dev, "%s: Probe failed with error %d\n", __func__, ret);
 		return ret;
@@ -229,16 +212,17 @@ static int k3_rproc_probe(struct udevice *dev)
 	return 0;
 }
 
-static const struct udevice_id k3_rproc_ids[] = {
+static const struct udevice_id k3_arm64_ids[] = {
+	{ .compatible = "ti,am654-arm64"},
 	{ .compatible = "ti,am654-rproc"},
 	{}
 };
 
-U_BOOT_DRIVER(k3_rproc) = {
+U_BOOT_DRIVER(k3_arm64) = {
-	.name = "k3_rproc",
+	.name = "k3_arm64",
-	.of_match = k3_rproc_ids,
+	.of_match = k3_arm64_ids,
 	.id = UCLASS_REMOTEPROC,
-	.ops = &k3_rproc_ops,
+	.ops = &k3_arm64_ops,
-	.probe = k3_rproc_probe,
+	.probe = k3_arm64_probe,
-	.priv_auto_alloc_size = sizeof(struct k3_rproc_privdata),
+	.priv_auto_alloc_size = sizeof(struct k3_arm64_privdata),
 };

drivers/remoteproc/ti_sci_proc.h

@@ -0,0 +1,121 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Texas Instruments TI-SCI Processor Controller Helper Functions
+ *
+ * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla <lokeshvutla@ti.com>
+ *	Suman Anna <s-anna@ti.com>
+ */
+
+#ifndef REMOTEPROC_TI_SCI_PROC_H
+#define REMOTEPROC_TI_SCI_PROC_H
+
+#define TISCI_INVALID_HOST 0xff
+
+/**
+ * struct ti_sci_proc - structure representing a processor control client
+ * @sci: cached TI-SCI protocol handle
+ * @ops: cached TI-SCI proc ops
+ * @proc_id: processor id for the consumer remoteproc device
+ * @host_id: host id to pass the control over for this consumer remoteproc
+ *	     device
+ */
+struct ti_sci_proc {
+	const struct ti_sci_handle *sci;
+	const struct ti_sci_proc_ops *ops;
+	u8 proc_id;
+	u8 host_id;
+};
+
+static inline int ti_sci_proc_request(struct ti_sci_proc *tsp)
+{
+	int ret;
+
+	debug("%s: proc_id = %d\n", __func__, tsp->proc_id);
+
+	ret = tsp->ops->proc_request(tsp->sci, tsp->proc_id);
+	if (ret)
+		pr_err("ti-sci processor request failed: %d\n", ret);
+	return ret;
+}
+
+static inline int ti_sci_proc_release(struct ti_sci_proc *tsp)
+{
+	int ret;
+
+	debug("%s: proc_id = %d\n", __func__, tsp->proc_id);
+
+	if (tsp->host_id != TISCI_INVALID_HOST)
+		ret = tsp->ops->proc_handover(tsp->sci, tsp->proc_id,
+					      tsp->host_id);
+	else
+		ret = tsp->ops->proc_release(tsp->sci, tsp->proc_id);
+
+	if (ret)
+		pr_err("ti-sci processor release failed: %d\n", ret);
+	return ret;
+}
+
+static inline int ti_sci_proc_handover(struct ti_sci_proc *tsp)
+{
+	int ret;
+
+	debug("%s: proc_id = %d\n", __func__, tsp->proc_id);
+
+	ret = tsp->ops->proc_handover(tsp->sci, tsp->proc_id, tsp->host_id);
+	if (ret)
+		pr_err("ti-sci processor handover of %d to %d failed: %d\n",
+		       tsp->proc_id, tsp->host_id, ret);
+	return ret;
+}
+
+static inline int ti_sci_proc_get_status(struct ti_sci_proc *tsp,
+					 u64 *boot_vector, u32 *cfg_flags,
+					 u32 *ctrl_flags, u32 *status_flags)
+{
+	int ret;
+
+	ret = tsp->ops->get_proc_boot_status(tsp->sci, tsp->proc_id,
+					     boot_vector, cfg_flags, ctrl_flags,
+					     status_flags);
+	if (ret)
+		pr_err("ti-sci processor get_status failed: %d\n", ret);
+
+	debug("%s: proc_id = %d, boot_vector = 0x%llx, cfg_flags = 0x%x, ctrl_flags = 0x%x, sts = 0x%x\n",
+	      __func__, tsp->proc_id, *boot_vector, *cfg_flags, *ctrl_flags,
+	      *status_flags);
+	return ret;
+}
+
+static inline int ti_sci_proc_set_config(struct ti_sci_proc *tsp,
+					 u64 boot_vector,
+					 u32 cfg_set, u32 cfg_clr)
+{
+	int ret;
+
+	debug("%s: proc_id = %d, boot_vector = 0x%llx, cfg_set = 0x%x, cfg_clr = 0x%x\n",
+	      __func__, tsp->proc_id, boot_vector, cfg_set, cfg_clr);
+
+	ret = tsp->ops->set_proc_boot_cfg(tsp->sci, tsp->proc_id, boot_vector,
+					  cfg_set, cfg_clr);
+	if (ret)
+		pr_err("ti-sci processor set_config failed: %d\n", ret);
+	return ret;
+}
+
+static inline int ti_sci_proc_set_control(struct ti_sci_proc *tsp,
+					  u32 ctrl_set, u32 ctrl_clr)
+{
+	int ret;
+
+	debug("%s: proc_id = %d, ctrl_set = 0x%x, ctrl_clr = 0x%x\n", __func__,
+	      tsp->proc_id, ctrl_set, ctrl_clr);
+
+	ret = tsp->ops->set_proc_boot_ctrl(tsp->sci, tsp->proc_id, ctrl_set,
+					   ctrl_clr);
+	if (ret)
+		pr_err("ti-sci processor set_control failed: %d\n", ret);
+	return ret;
+}
+
+#endif /* REMOTEPROC_TI_SCI_PROC_H */

include/configs/am3517_evm.h

@@ -28,6 +28,8 @@
  * Enable CONFIG_USB_MUSB_GADGET for Device functionalities.
  */
 
+#define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	57
+
 #ifdef CONFIG_USB_MUSB_AM35X
 
 #ifdef CONFIG_USB_MUSB_HOST

include/configs/am57xx_evm.h

@@ -22,7 +22,9 @@
 #define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + CONFIG_ENV_SIZE)
 #define CONFIG_SYS_REDUNDAND_ENVIRONMENT
 
-#define CONSOLEDEV			"ttyO2"
+#define CONFIG_SYS_BOOTM_LEN		SZ_64M
+
+#define CONSOLEDEV			"ttyS2"
 #define CONFIG_SYS_NS16550_COM1		UART1_BASE	/* Base EVM has UART0 */
 #define CONFIG_SYS_NS16550_COM2		UART2_BASE	/* UART2 */
 #define CONFIG_SYS_NS16550_COM3		UART3_BASE	/* UART3 */

include/configs/da850evm.h

@@ -18,14 +18,6 @@
 #define CONFIG_USE_SPIFLASH
 #endif
 
-/*
-* Disable DM_* for SPL build and can be re-enabled after adding
-* DM support in SPL
-*/
-#ifdef CONFIG_SPL_BUILD
-#undef CONFIG_DM_I2C
-#undef CONFIG_DM_I2C_COMPAT
-#endif
 /*
  * SoC Configuration
  */
@@ -268,12 +260,8 @@
 #endif
 
 /* USB Configs */
-#define CONFIG_SYS_USB_OHCI_CPU_INIT
 #define CONFIG_USB_OHCI_NEW
-#define CONFIG_USB_STORAGE
-#define CONFIG_SYS_USB_OHCI_REGS_BASE		0x01E25000
 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	15
-#define CONFIG_SYS_USB_OHCI_SLOT_NAME		"da850evm"
 
 #ifndef CONFIG_DIRECT_NOR_BOOT
 /* defines for SPL */

include/configs/dra7xx_evm.h

@@ -26,9 +26,9 @@
 #endif
 
 #if (CONFIG_CONS_INDEX == 1)
-#define CONSOLEDEV			"ttyO0"
+#define CONSOLEDEV			"ttyS0"
 #elif (CONFIG_CONS_INDEX == 3)
-#define CONSOLEDEV			"ttyO2"
+#define CONSOLEDEV			"ttyS2"
 #endif
 #define CONFIG_SYS_NS16550_COM1		UART1_BASE	/* Base EVM has UART0 */
 #define CONFIG_SYS_NS16550_COM2		UART2_BASE	/* UART2 */

include/configs/j721e_evm.h

@@ -0,0 +1,103 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Configuration header file for K3 J721E EVM
+ *
+ * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla <lokeshvutla@ti.com>
+ */
+
+#ifndef __CONFIG_J721E_EVM_H
+#define __CONFIG_J721E_EVM_H
+
+#include <linux/sizes.h>
+#include <config_distro_bootcmd.h>
+#include <environment/ti/mmc.h>
+
+#define CONFIG_ENV_SIZE			(128 << 10)
+
+/* DDR Configuration */
+#define CONFIG_SYS_SDRAM_BASE1		0x880000000
+
+/* SPL Loader Configuration */
+#ifdef CONFIG_TARGET_J721E_A72_EVM
+#define CONFIG_SYS_INIT_SP_ADDR         (CONFIG_SPL_TEXT_BASE +	\
+					 CONFIG_SYS_K3_NON_SECURE_MSRAM_SIZE)
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x280000
+#else
+/*
+ * Maximum size in memory allocated to the SPL BSS. Keep it as tight as
+ * possible (to allow the build to go through), as this directly affects
+ * our memory footprint. The less we use for BSS the more we have available
+ * for everything else.
+ */
+#define CONFIG_SPL_BSS_MAX_SIZE		0xA000
+/*
+ * Link BSS to be within SPL in a dedicated region located near the top of
+ * the MCU SRAM, this way making it available also before relocation. Note
+ * that we are not using the actual top of the MCU SRAM as there is a memory
+ * location filled in by the boot ROM that we want to read out without any
+ * interference from the C context.
+ */
+#define CONFIG_SPL_BSS_START_ADDR	(CONFIG_SYS_K3_BOOT_PARAM_TABLE_INDEX -\
+					 CONFIG_SPL_BSS_MAX_SIZE)
+/* Set the stack right below the SPL BSS section */
+#define CONFIG_SYS_INIT_SP_ADDR         CONFIG_SPL_BSS_START_ADDR
+/* Configure R5 SPL post-relocation malloc pool in DDR */
+#define CONFIG_SYS_SPL_MALLOC_START	0x84000000
+#define CONFIG_SYS_SPL_MALLOC_SIZE	SZ_16M
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x80000
+#endif
+
+#ifdef CONFIG_SYS_K3_SPL_ATF
+#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME	"tispl.bin"
+#endif
+
+#define CONFIG_SPL_MAX_SIZE		CONFIG_SYS_K3_MAX_DOWNLODABLE_IMAGE_SIZE
+
+#define CONFIG_SYS_BOOTM_LEN		SZ_64M
+#define CONFIG_CQSPI_REF_CLK		133333333
+
+/* U-Boot general configuration */
+#define EXTRA_ENV_J721E_BOARD_SETTINGS					\
+	"default_device_tree=" CONFIG_DEFAULT_DEVICE_TREE ".dtb\0"	\
+	"findfdt="							\
+		"setenv fdtfile ${default_device_tree};"		\
+		"setenv overlay_files ${name_overlays}\0"		\
+	"loadaddr=0x80080000\0"						\
+	"fdtaddr=0x82000000\0"						\
+	"overlayaddr=0x83000000\0"					\
+	"name_kern=Image\0"						\
+	"console=ttyS2,115200n8\0"					\
+	"args_all=setenv optargs earlycon=ns16550a,mmio32,0x02800000\0" \
+	"run_kern=booti ${loadaddr} ${rd_spec} ${fdtaddr}\0"
+
+/* U-Boot MMC-specific configuration */
+#define EXTRA_ENV_J721E_BOARD_SETTINGS_MMC				\
+	"boot=mmc\0"							\
+	"mmcdev=1\0"							\
+	"bootpart=1:2\0"						\
+	"bootdir=/boot\0"						\
+	"rd_spec=-\0"							\
+	"init_mmc=run args_all args_mmc\0"				\
+	"get_fdt_mmc=load mmc ${bootpart} ${fdtaddr} ${bootdir}/${fdtfile}\0" \
+	"get_overlay_mmc="						\
+		"fdt address ${fdtaddr};"				\
+		"fdt resize 0x100000;"					\
+		"for overlay in $overlay_files;"			\
+		"do;"							\
+		"load mmc ${bootpart} ${overlayaddr} ${bootdir}/${overlay} && "	\
+		"fdt apply ${overlayaddr};"				\
+		"done;\0"						\
+	"get_kern_mmc=load mmc ${bootpart} ${loadaddr} "		\
+		"${bootdir}/${name_kern}\0"
+
+/* Incorporate settings into the U-Boot environment */
+#define CONFIG_EXTRA_ENV_SETTINGS					\
+	DEFAULT_MMC_TI_ARGS						\
+	EXTRA_ENV_J721E_BOARD_SETTINGS					\
+	EXTRA_ENV_J721E_BOARD_SETTINGS_MMC
+
+/* Now for the remaining common defines */
+#include <configs/ti_armv7_common.h>
+
+#endif /* __CONFIG_J721E_EVM_H */

include/configs/omap3_logic.h

@@ -30,6 +30,10 @@
 /* I2C */
 #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50	/* EEPROM AT24C64      */
 
+#ifdef CONFIG_USB_EHCI_OMAP
+#define CONFIG_OMAP_EHCI_PHY1_RESET_GPIO	4
+#endif
+
 /* Board NAND Info. */
 #ifdef CONFIG_NAND
 #define CONFIG_SYS_MAX_NAND_DEVICE	1	  /* Max number of */

include/configs/omap5_uevm.h

@@ -53,7 +53,7 @@
 
 /* USB Networking options */
 
-#define CONSOLEDEV		"ttyO2"
+#define CONSOLEDEV		"ttyS2"
 
 #define CONFIG_SCSI_AHCI_PLAT
 #define CONFIG_SYS_SCSI_MAX_SCSI_ID	1

include/dt-bindings/pinctrl/k3.h

@@ -35,4 +35,7 @@
 #define AM65X_IOPAD(pa, val, muxmode)		(((pa) & 0x1fff)) ((val) | (muxmode))
 #define AM65X_WKUP_IOPAD(pa, val, muxmode)	(((pa) & 0x1fff)) ((val) | (muxmode))
 
+#define J721E_IOPAD(pa, val, muxmode)		(((pa) & 0x1fff)) ((val) | (muxmode))
+#define J721E_WKUP_IOPAD(pa, val, muxmode)	(((pa) & 0x1fff)) ((val) | (muxmode))
+
 #endif

include/dt-bindings/soc/ti,sci_pm_domain.h

@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef __DT_BINDINGS_TI_SCI_PM_DOMAIN_H
+#define __DT_BINDINGS_TI_SCI_PM_DOMAIN_H
+
+#define TI_SCI_PD_EXCLUSIVE	1
+#define TI_SCI_PD_SHARED	0
+
+#endif /* __DT_BINDINGS_TI_SCI_PM_DOMAIN_H */

include/environment/ti/boot.h

@@ -10,7 +10,7 @@
 #define __TI_BOOT_H
 
 #ifndef CONSOLEDEV
-#define CONSOLEDEV "ttyO2"
+#define CONSOLEDEV "ttyS2"
 #endif
 
 #define VBMETA_PART_SIZE		(64 * 1024)

include/linux/soc/ti/ti_sci_protocol.h

@@ -105,6 +105,9 @@ struct ti_sci_board_ops {
  *		-reset_state: pointer to u32 which will retrieve resets
  *		Returns 0 for successful request, else returns
  *		corresponding error message.
+ * @release_exclusive_devices: Command to release all the exclusive devices
+ *		attached to this host. This should be used very carefully
+ *		and only at the end of execution of your software.
  *
  * NOTE: for all these functions, the following parameters are generic in
  * nature:
@@ -117,7 +120,10 @@ struct ti_sci_board_ops {
  */
 struct ti_sci_dev_ops {
 	int (*get_device)(const struct ti_sci_handle *handle, u32 id);
+	int (*get_device_exclusive)(const struct ti_sci_handle *handle, u32 id);
 	int (*idle_device)(const struct ti_sci_handle *handle, u32 id);
+	int (*idle_device_exclusive)(const struct ti_sci_handle *handle,
+				     u32 id);
 	int (*put_device)(const struct ti_sci_handle *handle, u32 id);
 	int (*is_valid)(const struct ti_sci_handle *handle, u32 id);
 	int (*get_context_loss_count)(const struct ti_sci_handle *handle,
@@ -134,6 +140,7 @@ struct ti_sci_dev_ops {
 				 u32 reset_state);
 	int (*get_device_resets)(const struct ti_sci_handle *handle, u32 id,
 				 u32 *reset_state);
+	int (*release_exclusive_devices)(const struct ti_sci_handle *handle);
 };
 
 /**
@@ -263,6 +270,8 @@ struct ti_sci_core_ops {
  * @set_proc_boot_ctrl: Setup limited control flags in specific cases.
  * @proc_auth_boot_image:
  * @get_proc_boot_status: Get the state of physical processor
+ * @proc_shutdown_no_wait: Shutdown a core without requesting or waiting for a
+ *			   response.
  *
  * NOTE: for all these functions, the following parameters are generic in
  * nature:
@@ -284,6 +293,8 @@ struct ti_sci_proc_ops {
 	int (*get_proc_boot_status)(const struct ti_sci_handle *handle, u8 pid,
 				    u64 *bv, u32 *cfg_flags, u32 *ctrl_flags,
 				    u32 *sts_flags);
+	int (*proc_shutdown_no_wait)(const struct ti_sci_handle *handle,
+				     u8 pid);
 };
 
 #define TI_SCI_RING_MODE_RING			(0)

include/power-domain.h

@@ -55,23 +55,12 @@ struct udevice;
  *
  * @dev: The device which implements the power domain.
  * @id: The power domain ID within the provider.
- *
+ * @priv: Private data corresponding to each power domain.
- * Currently, the power domain API assumes that a single integer ID is enough
- * to identify and configure any power domain for any power domain provider. If
- * this assumption becomes invalid in the future, the struct could be expanded
- * to either (a) add more fields to allow power domain providers to store
- * additional information, or (b) replace the id field with an opaque pointer,
- * which the provider would dynamically allocate during its .of_xlate op, and
- * process during is .request op. This may require the addition of an extra op
- * to clean up the allocation.
  */
 struct power_domain {
 	struct udevice *dev;
-	/*
-	 * Written by of_xlate. We assume a single id is enough for now. In the
-	 * future, we might add more fields here.
-	 */
 	unsigned long id;
+	void *priv;
 };
 
 /**