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https://github.com/brain-hackers/u-boot-brain
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-----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEE56Yx6b9SnloYCWtD4rK92eCqk3UFAl4h3TEACgkQ4rK92eCq k3UiXAgAnGuC8+RXI5CBln+CT8PUV6u7SWIFfGoi9sV8f1lROm/KusWBdGstZdgC nY8qymperg6aaya61MtlT0dw+S4Cr1VE74NgSVwaJtAWXgC2EpdSftKXWYP77oex wp4aosEAV88tQcaJvCvFyKsBt1pjc4oM1ruI5rfZFvgP9Z0nuVuIkpKWZ1w3E8bn FIaTFEvpG4X7FtyRDfsCm2V7NZpzXSRVbwgYjeMPmckXE/PFOM7gitAogzgniz9w MZNn/M0E3h9XZiCP+m6qvdea2Ek+LQXlPTPgDmCOLPjtT/X9FptoZ8/ZC8QxkO4x UwdOs2aidY64ujBBsuQcUBP6zfnBTA== =xBM4 -----END PGP SIGNATURE----- Merge tag 'u-boot-stm32-20200117' of https://gitlab.denx.de/u-boot/custodians/u-boot-stm - stm32mp1: split SOC and board and cleanup config
1105 lines
26 KiB
C
1105 lines
26 KiB
C
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
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/*
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* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
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*/
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#include <common.h>
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#include <adc.h>
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#include <bootm.h>
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#include <clk.h>
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#include <config.h>
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#include <dm.h>
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#include <env.h>
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#include <env_internal.h>
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#include <g_dnl.h>
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#include <generic-phy.h>
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#include <hang.h>
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#include <i2c.h>
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#include <init.h>
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#include <led.h>
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#include <memalign.h>
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#include <misc.h>
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#include <mtd.h>
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#include <mtd_node.h>
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#include <netdev.h>
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#include <phy.h>
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#include <remoteproc.h>
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#include <reset.h>
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#include <syscon.h>
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#include <usb.h>
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#include <watchdog.h>
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#include <asm/io.h>
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#include <asm/gpio.h>
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#include <asm/arch/stm32.h>
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#include <asm/arch/sys_proto.h>
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#include <jffs2/load_kernel.h>
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#include <power/regulator.h>
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#include <usb/dwc2_udc.h>
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/* SYSCFG registers */
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#define SYSCFG_BOOTR 0x00
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#define SYSCFG_PMCSETR 0x04
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#define SYSCFG_IOCTRLSETR 0x18
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#define SYSCFG_ICNR 0x1C
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#define SYSCFG_CMPCR 0x20
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#define SYSCFG_CMPENSETR 0x24
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#define SYSCFG_PMCCLRR 0x44
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#define SYSCFG_BOOTR_BOOT_MASK GENMASK(2, 0)
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#define SYSCFG_BOOTR_BOOTPD_SHIFT 4
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#define SYSCFG_IOCTRLSETR_HSLVEN_TRACE BIT(0)
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#define SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI BIT(1)
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#define SYSCFG_IOCTRLSETR_HSLVEN_ETH BIT(2)
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#define SYSCFG_IOCTRLSETR_HSLVEN_SDMMC BIT(3)
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#define SYSCFG_IOCTRLSETR_HSLVEN_SPI BIT(4)
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#define SYSCFG_CMPCR_SW_CTRL BIT(1)
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#define SYSCFG_CMPCR_READY BIT(8)
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#define SYSCFG_CMPENSETR_MPU_EN BIT(0)
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#define SYSCFG_PMCSETR_ETH_CLK_SEL BIT(16)
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#define SYSCFG_PMCSETR_ETH_REF_CLK_SEL BIT(17)
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#define SYSCFG_PMCSETR_ETH_SELMII BIT(20)
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#define SYSCFG_PMCSETR_ETH_SEL_MASK GENMASK(23, 21)
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#define SYSCFG_PMCSETR_ETH_SEL_GMII_MII 0
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#define SYSCFG_PMCSETR_ETH_SEL_RGMII BIT(21)
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#define SYSCFG_PMCSETR_ETH_SEL_RMII BIT(23)
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/*
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* Get a global data pointer
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*/
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DECLARE_GLOBAL_DATA_PTR;
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#define USB_LOW_THRESHOLD_UV 200000
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#define USB_WARNING_LOW_THRESHOLD_UV 660000
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#define USB_START_LOW_THRESHOLD_UV 1230000
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#define USB_START_HIGH_THRESHOLD_UV 2150000
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int checkboard(void)
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{
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int ret;
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char *mode;
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u32 otp;
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struct udevice *dev;
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const char *fdt_compat;
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int fdt_compat_len;
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if (IS_ENABLED(CONFIG_STM32MP1_OPTEE))
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mode = "trusted with OP-TEE";
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else if (IS_ENABLED(CONFIG_STM32MP1_TRUSTED))
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mode = "trusted";
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else
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mode = "basic";
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printf("Board: stm32mp1 in %s mode", mode);
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fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
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&fdt_compat_len);
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if (fdt_compat && fdt_compat_len)
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printf(" (%s)", fdt_compat);
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puts("\n");
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ret = uclass_get_device_by_driver(UCLASS_MISC,
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DM_GET_DRIVER(stm32mp_bsec),
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&dev);
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if (!ret)
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ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
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&otp, sizeof(otp));
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if (ret > 0 && otp) {
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printf("Board: MB%04x Var%d Rev.%c-%02d\n",
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otp >> 16,
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(otp >> 12) & 0xF,
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((otp >> 8) & 0xF) - 1 + 'A',
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otp & 0xF);
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}
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return 0;
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}
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static void board_key_check(void)
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{
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#if defined(CONFIG_FASTBOOT) || defined(CONFIG_CMD_STM32PROG)
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ofnode node;
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struct gpio_desc gpio;
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enum forced_boot_mode boot_mode = BOOT_NORMAL;
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node = ofnode_path("/config");
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if (!ofnode_valid(node)) {
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debug("%s: no /config node?\n", __func__);
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return;
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}
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#ifdef CONFIG_FASTBOOT
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if (gpio_request_by_name_nodev(node, "st,fastboot-gpios", 0,
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&gpio, GPIOD_IS_IN)) {
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debug("%s: could not find a /config/st,fastboot-gpios\n",
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__func__);
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} else {
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if (dm_gpio_get_value(&gpio)) {
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puts("Fastboot key pressed, ");
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boot_mode = BOOT_FASTBOOT;
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}
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dm_gpio_free(NULL, &gpio);
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}
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#endif
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#ifdef CONFIG_CMD_STM32PROG
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if (gpio_request_by_name_nodev(node, "st,stm32prog-gpios", 0,
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&gpio, GPIOD_IS_IN)) {
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debug("%s: could not find a /config/st,stm32prog-gpios\n",
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__func__);
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} else {
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if (dm_gpio_get_value(&gpio)) {
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puts("STM32Programmer key pressed, ");
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boot_mode = BOOT_STM32PROG;
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}
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dm_gpio_free(NULL, &gpio);
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}
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#endif
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if (boot_mode != BOOT_NORMAL) {
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puts("entering download mode...\n");
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clrsetbits_le32(TAMP_BOOT_CONTEXT,
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TAMP_BOOT_FORCED_MASK,
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boot_mode);
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}
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#endif
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}
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#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG)
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/* STMicroelectronics STUSB1600 Type-C controller */
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#define STUSB1600_CC_CONNECTION_STATUS 0x0E
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/* STUSB1600_CC_CONNECTION_STATUS bitfields */
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#define STUSB1600_CC_ATTACH BIT(0)
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static int stusb1600_init(struct udevice **dev_stusb1600)
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{
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ofnode node;
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struct udevice *dev, *bus;
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int ret;
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u32 chip_addr;
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*dev_stusb1600 = NULL;
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/* if node stusb1600 is present, means DK1 or DK2 board */
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node = ofnode_by_compatible(ofnode_null(), "st,stusb1600");
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if (!ofnode_valid(node))
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return -ENODEV;
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ret = ofnode_read_u32(node, "reg", &chip_addr);
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if (ret)
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return -EINVAL;
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ret = uclass_get_device_by_ofnode(UCLASS_I2C, ofnode_get_parent(node),
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&bus);
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if (ret) {
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printf("bus for stusb1600 not found\n");
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return -ENODEV;
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}
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ret = dm_i2c_probe(bus, chip_addr, 0, &dev);
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if (!ret)
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*dev_stusb1600 = dev;
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return ret;
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}
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static int stusb1600_cable_connected(struct udevice *dev)
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{
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u8 status;
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if (dm_i2c_read(dev, STUSB1600_CC_CONNECTION_STATUS, &status, 1))
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return 0;
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return status & STUSB1600_CC_ATTACH;
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}
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#include <usb/dwc2_udc.h>
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int g_dnl_board_usb_cable_connected(void)
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{
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struct udevice *stusb1600;
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struct udevice *dwc2_udc_otg;
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int ret;
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if (!stusb1600_init(&stusb1600))
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return stusb1600_cable_connected(stusb1600);
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ret = uclass_get_device_by_driver(UCLASS_USB_GADGET_GENERIC,
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DM_GET_DRIVER(dwc2_udc_otg),
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&dwc2_udc_otg);
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if (!ret)
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debug("dwc2_udc_otg init failed\n");
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return dwc2_udc_B_session_valid(dwc2_udc_otg);
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}
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#define STM32MP1_G_DNL_DFU_PRODUCT_NUM 0xdf11
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#define STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM 0x0afb
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int g_dnl_bind_fixup(struct usb_device_descriptor *dev, const char *name)
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{
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if (!strcmp(name, "usb_dnl_dfu"))
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put_unaligned(STM32MP1_G_DNL_DFU_PRODUCT_NUM, &dev->idProduct);
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else if (!strcmp(name, "usb_dnl_fastboot"))
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put_unaligned(STM32MP1_G_DNL_FASTBOOT_PRODUCT_NUM,
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&dev->idProduct);
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else
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put_unaligned(CONFIG_USB_GADGET_PRODUCT_NUM, &dev->idProduct);
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return 0;
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}
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#endif /* CONFIG_USB_GADGET */
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#ifdef CONFIG_LED
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static int get_led(struct udevice **dev, char *led_string)
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{
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char *led_name;
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int ret;
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led_name = fdtdec_get_config_string(gd->fdt_blob, led_string);
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if (!led_name) {
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pr_debug("%s: could not find %s config string\n",
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__func__, led_string);
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return -ENOENT;
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}
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ret = led_get_by_label(led_name, dev);
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if (ret) {
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debug("%s: get=%d\n", __func__, ret);
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return ret;
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}
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return 0;
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}
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static int setup_led(enum led_state_t cmd)
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{
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struct udevice *dev;
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int ret;
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ret = get_led(&dev, "u-boot,boot-led");
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if (ret)
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return ret;
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ret = led_set_state(dev, cmd);
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return ret;
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}
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#endif
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static void __maybe_unused led_error_blink(u32 nb_blink)
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{
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#ifdef CONFIG_LED
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int ret;
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struct udevice *led;
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u32 i;
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#endif
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if (!nb_blink)
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return;
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#ifdef CONFIG_LED
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ret = get_led(&led, "u-boot,error-led");
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if (!ret) {
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/* make u-boot,error-led blinking */
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/* if U32_MAX and 125ms interval, for 17.02 years */
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for (i = 0; i < 2 * nb_blink; i++) {
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led_set_state(led, LEDST_TOGGLE);
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mdelay(125);
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WATCHDOG_RESET();
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}
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}
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#endif
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/* infinite: the boot process must be stopped */
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if (nb_blink == U32_MAX)
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hang();
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}
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#ifdef CONFIG_ADC
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static int board_check_usb_power(void)
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{
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struct ofnode_phandle_args adc_args;
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struct udevice *adc;
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ofnode node;
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unsigned int raw;
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int max_uV = 0;
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int min_uV = USB_START_HIGH_THRESHOLD_UV;
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int ret, uV, adc_count;
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u32 nb_blink;
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u8 i;
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node = ofnode_path("/config");
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if (!ofnode_valid(node)) {
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debug("%s: no /config node?\n", __func__);
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return -ENOENT;
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}
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/*
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* Retrieve the ADC channels devices and get measurement
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* for each of them
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*/
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adc_count = ofnode_count_phandle_with_args(node, "st,adc_usb_pd",
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"#io-channel-cells");
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if (adc_count < 0) {
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if (adc_count == -ENOENT)
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return 0;
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pr_err("%s: can't find adc channel (%d)\n", __func__,
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adc_count);
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return adc_count;
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}
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for (i = 0; i < adc_count; i++) {
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if (ofnode_parse_phandle_with_args(node, "st,adc_usb_pd",
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"#io-channel-cells", 0, i,
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&adc_args)) {
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pr_debug("%s: can't find /config/st,adc_usb_pd\n",
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__func__);
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return 0;
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}
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ret = uclass_get_device_by_ofnode(UCLASS_ADC, adc_args.node,
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&adc);
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if (ret) {
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pr_err("%s: Can't get adc device(%d)\n", __func__,
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ret);
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return ret;
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}
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ret = adc_channel_single_shot(adc->name, adc_args.args[0],
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&raw);
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if (ret) {
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pr_err("%s: single shot failed for %s[%d]!\n",
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__func__, adc->name, adc_args.args[0]);
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return ret;
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}
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/* Convert to uV */
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if (!adc_raw_to_uV(adc, raw, &uV)) {
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if (uV > max_uV)
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max_uV = uV;
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if (uV < min_uV)
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min_uV = uV;
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pr_debug("%s: %s[%02d] = %u, %d uV\n", __func__,
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adc->name, adc_args.args[0], raw, uV);
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} else {
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pr_err("%s: Can't get uV value for %s[%d]\n",
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__func__, adc->name, adc_args.args[0]);
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}
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}
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/*
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* If highest value is inside 1.23 Volts and 2.10 Volts, that means
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* board is plugged on an USB-C 3A power supply and boot process can
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* continue.
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*/
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if (max_uV > USB_START_LOW_THRESHOLD_UV &&
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max_uV <= USB_START_HIGH_THRESHOLD_UV &&
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min_uV <= USB_LOW_THRESHOLD_UV)
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return 0;
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pr_err("****************************************************\n");
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/*
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* If highest and lowest value are either both below
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* USB_LOW_THRESHOLD_UV or both above USB_LOW_THRESHOLD_UV, that
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* means USB TYPE-C is in unattached mode, this is an issue, make
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* u-boot,error-led blinking and stop boot process.
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*/
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if ((max_uV > USB_LOW_THRESHOLD_UV &&
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min_uV > USB_LOW_THRESHOLD_UV) ||
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(max_uV <= USB_LOW_THRESHOLD_UV &&
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min_uV <= USB_LOW_THRESHOLD_UV)) {
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pr_err("* ERROR USB TYPE-C connection in unattached mode *\n");
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pr_err("* Check that USB TYPE-C cable is correctly plugged *\n");
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/* with 125ms interval, led will blink for 17.02 years ....*/
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nb_blink = U32_MAX;
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}
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if (max_uV > USB_LOW_THRESHOLD_UV &&
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max_uV <= USB_WARNING_LOW_THRESHOLD_UV &&
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min_uV <= USB_LOW_THRESHOLD_UV) {
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pr_err("* WARNING 500mA power supply detected *\n");
|
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nb_blink = 2;
|
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}
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if (max_uV > USB_WARNING_LOW_THRESHOLD_UV &&
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max_uV <= USB_START_LOW_THRESHOLD_UV &&
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min_uV <= USB_LOW_THRESHOLD_UV) {
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pr_err("* WARNING 1.5mA power supply detected *\n");
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nb_blink = 3;
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}
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/*
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* If highest value is above 2.15 Volts that means that the USB TypeC
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* supplies more than 3 Amp, this is not compliant with TypeC specification
|
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*/
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if (max_uV > USB_START_HIGH_THRESHOLD_UV) {
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pr_err("* USB TYPE-C charger not compliant with *\n");
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pr_err("* specification *\n");
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pr_err("****************************************************\n\n");
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/* with 125ms interval, led will blink for 17.02 years ....*/
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nb_blink = U32_MAX;
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} else {
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pr_err("* Current too low, use a 3A power supply! *\n");
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pr_err("****************************************************\n\n");
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}
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led_error_blink(nb_blink);
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return 0;
|
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}
|
|
#endif /* CONFIG_ADC */
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|
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static void sysconf_init(void)
|
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{
|
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#ifndef CONFIG_STM32MP1_TRUSTED
|
|
u8 *syscfg;
|
|
#ifdef CONFIG_DM_REGULATOR
|
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struct udevice *pwr_dev;
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struct udevice *pwr_reg;
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struct udevice *dev;
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int ret;
|
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u32 otp = 0;
|
|
#endif
|
|
u32 bootr;
|
|
|
|
syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
|
|
|
|
/* interconnect update : select master using the port 1 */
|
|
/* LTDC = AXI_M9 */
|
|
/* GPU = AXI_M8 */
|
|
/* today information is hardcoded in U-Boot */
|
|
writel(BIT(9), syscfg + SYSCFG_ICNR);
|
|
|
|
/* disable Pull-Down for boot pin connected to VDD */
|
|
bootr = readl(syscfg + SYSCFG_BOOTR);
|
|
bootr &= ~(SYSCFG_BOOTR_BOOT_MASK << SYSCFG_BOOTR_BOOTPD_SHIFT);
|
|
bootr |= (bootr & SYSCFG_BOOTR_BOOT_MASK) << SYSCFG_BOOTR_BOOTPD_SHIFT;
|
|
writel(bootr, syscfg + SYSCFG_BOOTR);
|
|
|
|
#ifdef CONFIG_DM_REGULATOR
|
|
/* High Speed Low Voltage Pad mode Enable for SPI, SDMMC, ETH, QSPI
|
|
* and TRACE. Needed above ~50MHz and conditioned by AFMUX selection.
|
|
* The customer will have to disable this for low frequencies
|
|
* or if AFMUX is selected but the function not used, typically for
|
|
* TRACE. Otherwise, impact on power consumption.
|
|
*
|
|
* WARNING:
|
|
* enabling High Speed mode while VDD>2.7V
|
|
* with the OTP product_below_2v5 (OTP 18, BIT 13)
|
|
* erroneously set to 1 can damage the IC!
|
|
* => U-Boot set the register only if VDD < 2.7V (in DT)
|
|
* but this value need to be consistent with board design
|
|
*/
|
|
ret = uclass_get_device_by_driver(UCLASS_PMIC,
|
|
DM_GET_DRIVER(stm32mp_pwr_pmic),
|
|
&pwr_dev);
|
|
if (!ret) {
|
|
ret = uclass_get_device_by_driver(UCLASS_MISC,
|
|
DM_GET_DRIVER(stm32mp_bsec),
|
|
&dev);
|
|
if (ret) {
|
|
pr_err("Can't find stm32mp_bsec driver\n");
|
|
return;
|
|
}
|
|
|
|
ret = misc_read(dev, STM32_BSEC_SHADOW(18), &otp, 4);
|
|
if (ret > 0)
|
|
otp = otp & BIT(13);
|
|
|
|
/* get VDD = vdd-supply */
|
|
ret = device_get_supply_regulator(pwr_dev, "vdd-supply",
|
|
&pwr_reg);
|
|
|
|
/* check if VDD is Low Voltage */
|
|
if (!ret) {
|
|
if (regulator_get_value(pwr_reg) < 2700000) {
|
|
writel(SYSCFG_IOCTRLSETR_HSLVEN_TRACE |
|
|
SYSCFG_IOCTRLSETR_HSLVEN_QUADSPI |
|
|
SYSCFG_IOCTRLSETR_HSLVEN_ETH |
|
|
SYSCFG_IOCTRLSETR_HSLVEN_SDMMC |
|
|
SYSCFG_IOCTRLSETR_HSLVEN_SPI,
|
|
syscfg + SYSCFG_IOCTRLSETR);
|
|
|
|
if (!otp)
|
|
pr_err("product_below_2v5=0: HSLVEN protected by HW\n");
|
|
} else {
|
|
if (otp)
|
|
pr_err("product_below_2v5=1: HSLVEN update is destructive, no update as VDD>2.7V\n");
|
|
}
|
|
} else {
|
|
debug("VDD unknown");
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* activate automatic I/O compensation
|
|
* warning: need to ensure CSI enabled and ready in clock driver
|
|
*/
|
|
writel(SYSCFG_CMPENSETR_MPU_EN, syscfg + SYSCFG_CMPENSETR);
|
|
|
|
while (!(readl(syscfg + SYSCFG_CMPCR) & SYSCFG_CMPCR_READY))
|
|
;
|
|
clrbits_le32(syscfg + SYSCFG_CMPCR, SYSCFG_CMPCR_SW_CTRL);
|
|
#endif
|
|
}
|
|
|
|
#ifdef CONFIG_DM_REGULATOR
|
|
/* Fix to make I2C1 usable on DK2 for touchscreen usage in kernel */
|
|
static int dk2_i2c1_fix(void)
|
|
{
|
|
ofnode node;
|
|
struct gpio_desc hdmi, audio;
|
|
int ret = 0;
|
|
|
|
node = ofnode_path("/soc/i2c@40012000/hdmi-transmitter@39");
|
|
if (!ofnode_valid(node)) {
|
|
pr_debug("%s: no hdmi-transmitter@39 ?\n", __func__);
|
|
return -ENOENT;
|
|
}
|
|
|
|
if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
|
|
&hdmi, GPIOD_IS_OUT)) {
|
|
pr_debug("%s: could not find reset-gpios\n",
|
|
__func__);
|
|
return -ENOENT;
|
|
}
|
|
|
|
node = ofnode_path("/soc/i2c@40012000/cs42l51@4a");
|
|
if (!ofnode_valid(node)) {
|
|
pr_debug("%s: no cs42l51@4a ?\n", __func__);
|
|
return -ENOENT;
|
|
}
|
|
|
|
if (gpio_request_by_name_nodev(node, "reset-gpios", 0,
|
|
&audio, GPIOD_IS_OUT)) {
|
|
pr_debug("%s: could not find reset-gpios\n",
|
|
__func__);
|
|
return -ENOENT;
|
|
}
|
|
|
|
/* before power up, insure that HDMI and AUDIO IC is under reset */
|
|
ret = dm_gpio_set_value(&hdmi, 1);
|
|
if (ret) {
|
|
pr_err("%s: can't set_value for hdmi_nrst gpio", __func__);
|
|
goto error;
|
|
}
|
|
ret = dm_gpio_set_value(&audio, 1);
|
|
if (ret) {
|
|
pr_err("%s: can't set_value for audio_nrst gpio", __func__);
|
|
goto error;
|
|
}
|
|
|
|
/* power-up audio IC */
|
|
regulator_autoset_by_name("v1v8_audio", NULL);
|
|
|
|
/* power-up HDMI IC */
|
|
regulator_autoset_by_name("v1v2_hdmi", NULL);
|
|
regulator_autoset_by_name("v3v3_hdmi", NULL);
|
|
|
|
error:
|
|
return ret;
|
|
}
|
|
|
|
static bool board_is_dk2(void)
|
|
{
|
|
if (CONFIG_IS_ENABLED(TARGET_ST_STM32MP15x) &&
|
|
of_machine_is_compatible("st,stm32mp157c-dk2"))
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
/* board dependent setup after realloc */
|
|
int board_init(void)
|
|
{
|
|
struct udevice *dev;
|
|
|
|
/* address of boot parameters */
|
|
gd->bd->bi_boot_params = STM32_DDR_BASE + 0x100;
|
|
|
|
/* probe all PINCTRL for hog */
|
|
for (uclass_first_device(UCLASS_PINCTRL, &dev);
|
|
dev;
|
|
uclass_next_device(&dev)) {
|
|
pr_debug("probe pincontrol = %s\n", dev->name);
|
|
}
|
|
|
|
board_key_check();
|
|
|
|
#ifdef CONFIG_DM_REGULATOR
|
|
if (board_is_dk2())
|
|
dk2_i2c1_fix();
|
|
|
|
regulators_enable_boot_on(_DEBUG);
|
|
#endif
|
|
|
|
sysconf_init();
|
|
|
|
if (CONFIG_IS_ENABLED(CONFIG_LED))
|
|
led_default_state();
|
|
|
|
return 0;
|
|
}
|
|
|
|
int board_late_init(void)
|
|
{
|
|
char *boot_device;
|
|
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
|
|
const void *fdt_compat;
|
|
int fdt_compat_len;
|
|
int ret;
|
|
u32 otp;
|
|
struct udevice *dev;
|
|
char buf[10];
|
|
|
|
fdt_compat = fdt_getprop(gd->fdt_blob, 0, "compatible",
|
|
&fdt_compat_len);
|
|
if (fdt_compat && fdt_compat_len) {
|
|
if (strncmp(fdt_compat, "st,", 3) != 0)
|
|
env_set("board_name", fdt_compat);
|
|
else
|
|
env_set("board_name", fdt_compat + 3);
|
|
}
|
|
ret = uclass_get_device_by_driver(UCLASS_MISC,
|
|
DM_GET_DRIVER(stm32mp_bsec),
|
|
&dev);
|
|
|
|
if (!ret)
|
|
ret = misc_read(dev, STM32_BSEC_SHADOW(BSEC_OTP_BOARD),
|
|
&otp, sizeof(otp));
|
|
if (!ret && otp) {
|
|
snprintf(buf, sizeof(buf), "0x%04x", otp >> 16);
|
|
env_set("board_id", buf);
|
|
|
|
snprintf(buf, sizeof(buf), "0x%04x",
|
|
((otp >> 8) & 0xF) - 1 + 0xA);
|
|
env_set("board_rev", buf);
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_ADC
|
|
/* for DK1/DK2 boards */
|
|
board_check_usb_power();
|
|
#endif /* CONFIG_ADC */
|
|
|
|
/* Check the boot-source to disable bootdelay */
|
|
boot_device = env_get("boot_device");
|
|
if (!strcmp(boot_device, "serial") || !strcmp(boot_device, "usb"))
|
|
env_set("bootdelay", "0");
|
|
|
|
return 0;
|
|
}
|
|
|
|
void board_quiesce_devices(void)
|
|
{
|
|
#ifdef CONFIG_LED
|
|
setup_led(LEDST_OFF);
|
|
#endif
|
|
}
|
|
|
|
/* eth init function : weak called in eqos driver */
|
|
int board_interface_eth_init(struct udevice *dev,
|
|
phy_interface_t interface_type)
|
|
{
|
|
u8 *syscfg;
|
|
u32 value;
|
|
bool eth_clk_sel_reg = false;
|
|
bool eth_ref_clk_sel_reg = false;
|
|
|
|
/* Gigabit Ethernet 125MHz clock selection. */
|
|
eth_clk_sel_reg = dev_read_bool(dev, "st,eth_clk_sel");
|
|
|
|
/* Ethernet 50Mhz RMII clock selection */
|
|
eth_ref_clk_sel_reg =
|
|
dev_read_bool(dev, "st,eth_ref_clk_sel");
|
|
|
|
syscfg = (u8 *)syscon_get_first_range(STM32MP_SYSCON_SYSCFG);
|
|
|
|
if (!syscfg)
|
|
return -ENODEV;
|
|
|
|
switch (interface_type) {
|
|
case PHY_INTERFACE_MODE_MII:
|
|
value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
|
|
SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
|
|
debug("%s: PHY_INTERFACE_MODE_MII\n", __func__);
|
|
break;
|
|
case PHY_INTERFACE_MODE_GMII:
|
|
if (eth_clk_sel_reg)
|
|
value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII |
|
|
SYSCFG_PMCSETR_ETH_CLK_SEL;
|
|
else
|
|
value = SYSCFG_PMCSETR_ETH_SEL_GMII_MII;
|
|
debug("%s: PHY_INTERFACE_MODE_GMII\n", __func__);
|
|
break;
|
|
case PHY_INTERFACE_MODE_RMII:
|
|
if (eth_ref_clk_sel_reg)
|
|
value = SYSCFG_PMCSETR_ETH_SEL_RMII |
|
|
SYSCFG_PMCSETR_ETH_REF_CLK_SEL;
|
|
else
|
|
value = SYSCFG_PMCSETR_ETH_SEL_RMII;
|
|
debug("%s: PHY_INTERFACE_MODE_RMII\n", __func__);
|
|
break;
|
|
case PHY_INTERFACE_MODE_RGMII:
|
|
case PHY_INTERFACE_MODE_RGMII_ID:
|
|
case PHY_INTERFACE_MODE_RGMII_RXID:
|
|
case PHY_INTERFACE_MODE_RGMII_TXID:
|
|
if (eth_clk_sel_reg)
|
|
value = SYSCFG_PMCSETR_ETH_SEL_RGMII |
|
|
SYSCFG_PMCSETR_ETH_CLK_SEL;
|
|
else
|
|
value = SYSCFG_PMCSETR_ETH_SEL_RGMII;
|
|
debug("%s: PHY_INTERFACE_MODE_RGMII\n", __func__);
|
|
break;
|
|
default:
|
|
debug("%s: Do not manage %d interface\n",
|
|
__func__, interface_type);
|
|
/* Do not manage others interfaces */
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* clear and set ETH configuration bits */
|
|
writel(SYSCFG_PMCSETR_ETH_SEL_MASK | SYSCFG_PMCSETR_ETH_SELMII |
|
|
SYSCFG_PMCSETR_ETH_REF_CLK_SEL | SYSCFG_PMCSETR_ETH_CLK_SEL,
|
|
syscfg + SYSCFG_PMCCLRR);
|
|
writel(value, syscfg + SYSCFG_PMCSETR);
|
|
|
|
return 0;
|
|
}
|
|
|
|
enum env_location env_get_location(enum env_operation op, int prio)
|
|
{
|
|
u32 bootmode = get_bootmode();
|
|
|
|
if (prio)
|
|
return ENVL_UNKNOWN;
|
|
|
|
switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
|
|
#ifdef CONFIG_ENV_IS_IN_EXT4
|
|
case BOOT_FLASH_SD:
|
|
case BOOT_FLASH_EMMC:
|
|
return ENVL_EXT4;
|
|
#endif
|
|
#ifdef CONFIG_ENV_IS_IN_UBI
|
|
case BOOT_FLASH_NAND:
|
|
return ENVL_UBI;
|
|
#endif
|
|
#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
|
|
case BOOT_FLASH_NOR:
|
|
return ENVL_SPI_FLASH;
|
|
#endif
|
|
default:
|
|
return ENVL_NOWHERE;
|
|
}
|
|
}
|
|
|
|
#if defined(CONFIG_ENV_IS_IN_EXT4)
|
|
const char *env_ext4_get_intf(void)
|
|
{
|
|
u32 bootmode = get_bootmode();
|
|
|
|
switch (bootmode & TAMP_BOOT_DEVICE_MASK) {
|
|
case BOOT_FLASH_SD:
|
|
case BOOT_FLASH_EMMC:
|
|
return "mmc";
|
|
default:
|
|
return "";
|
|
}
|
|
}
|
|
|
|
const char *env_ext4_get_dev_part(void)
|
|
{
|
|
static char *const dev_part[] = {"0:auto", "1:auto", "2:auto"};
|
|
u32 bootmode = get_bootmode();
|
|
|
|
return dev_part[(bootmode & TAMP_BOOT_INSTANCE_MASK) - 1];
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_SYS_MTDPARTS_RUNTIME
|
|
|
|
#define MTDPARTS_LEN 256
|
|
#define MTDIDS_LEN 128
|
|
|
|
/**
|
|
* The mtdparts_nand0 and mtdparts_nor0 variable tends to be long.
|
|
* If we need to access it before the env is relocated, then we need
|
|
* to use our own stack buffer. gd->env_buf will be too small.
|
|
*
|
|
* @param buf temporary buffer pointer MTDPARTS_LEN long
|
|
* @return mtdparts variable string, NULL if not found
|
|
*/
|
|
static const char *env_get_mtdparts(const char *str, char *buf)
|
|
{
|
|
if (gd->flags & GD_FLG_ENV_READY)
|
|
return env_get(str);
|
|
if (env_get_f(str, buf, MTDPARTS_LEN) != -1)
|
|
return buf;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* update the variables "mtdids" and "mtdparts" with content of mtdparts_<dev>
|
|
*/
|
|
static void board_get_mtdparts(const char *dev,
|
|
char *mtdids,
|
|
char *mtdparts)
|
|
{
|
|
char env_name[32] = "mtdparts_";
|
|
char tmp_mtdparts[MTDPARTS_LEN];
|
|
const char *tmp;
|
|
|
|
/* name of env variable to read = mtdparts_<dev> */
|
|
strcat(env_name, dev);
|
|
tmp = env_get_mtdparts(env_name, tmp_mtdparts);
|
|
if (tmp) {
|
|
/* mtdids: "<dev>=<dev>, ...." */
|
|
if (mtdids[0] != '\0')
|
|
strcat(mtdids, ",");
|
|
strcat(mtdids, dev);
|
|
strcat(mtdids, "=");
|
|
strcat(mtdids, dev);
|
|
|
|
/* mtdparts: "mtdparts=<dev>:<mtdparts_<dev>>;..." */
|
|
if (mtdparts[0] != '\0')
|
|
strncat(mtdparts, ";", MTDPARTS_LEN);
|
|
else
|
|
strcat(mtdparts, "mtdparts=");
|
|
strncat(mtdparts, dev, MTDPARTS_LEN);
|
|
strncat(mtdparts, ":", MTDPARTS_LEN);
|
|
strncat(mtdparts, tmp, MTDPARTS_LEN);
|
|
}
|
|
}
|
|
|
|
void board_mtdparts_default(const char **mtdids, const char **mtdparts)
|
|
{
|
|
struct mtd_info *mtd;
|
|
struct udevice *dev;
|
|
static char parts[3 * MTDPARTS_LEN + 1];
|
|
static char ids[MTDIDS_LEN + 1];
|
|
static bool mtd_initialized;
|
|
|
|
if (mtd_initialized) {
|
|
*mtdids = ids;
|
|
*mtdparts = parts;
|
|
return;
|
|
}
|
|
|
|
memset(parts, 0, sizeof(parts));
|
|
memset(ids, 0, sizeof(ids));
|
|
|
|
/* probe all MTD devices */
|
|
for (uclass_first_device(UCLASS_MTD, &dev);
|
|
dev;
|
|
uclass_next_device(&dev)) {
|
|
pr_debug("mtd device = %s\n", dev->name);
|
|
}
|
|
|
|
mtd = get_mtd_device_nm("nand0");
|
|
if (!IS_ERR_OR_NULL(mtd)) {
|
|
board_get_mtdparts("nand0", ids, parts);
|
|
put_mtd_device(mtd);
|
|
}
|
|
|
|
mtd = get_mtd_device_nm("spi-nand0");
|
|
if (!IS_ERR_OR_NULL(mtd)) {
|
|
board_get_mtdparts("spi-nand0", ids, parts);
|
|
put_mtd_device(mtd);
|
|
}
|
|
|
|
if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev))
|
|
board_get_mtdparts("nor0", ids, parts);
|
|
|
|
mtd_initialized = true;
|
|
*mtdids = ids;
|
|
*mtdparts = parts;
|
|
debug("%s:mtdids=%s & mtdparts=%s\n", __func__, ids, parts);
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_OF_BOARD_SETUP)
|
|
int ft_board_setup(void *blob, bd_t *bd)
|
|
{
|
|
#ifdef CONFIG_FDT_FIXUP_PARTITIONS
|
|
struct node_info nodes[] = {
|
|
{ "st,stm32f469-qspi", MTD_DEV_TYPE_NOR, },
|
|
{ "st,stm32mp15-fmc2", MTD_DEV_TYPE_NAND, },
|
|
};
|
|
fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_SET_DFU_ALT_INFO
|
|
#define DFU_ALT_BUF_LEN SZ_1K
|
|
|
|
static void board_get_alt_info(const char *dev, char *buff)
|
|
{
|
|
char var_name[32] = "dfu_alt_info_";
|
|
int ret;
|
|
|
|
ALLOC_CACHE_ALIGN_BUFFER(char, tmp_alt, DFU_ALT_BUF_LEN);
|
|
|
|
/* name of env variable to read = dfu_alt_info_<dev> */
|
|
strcat(var_name, dev);
|
|
ret = env_get_f(var_name, tmp_alt, DFU_ALT_BUF_LEN);
|
|
if (ret) {
|
|
if (buff[0] != '\0')
|
|
strcat(buff, "&");
|
|
strncat(buff, tmp_alt, DFU_ALT_BUF_LEN);
|
|
}
|
|
}
|
|
|
|
void set_dfu_alt_info(char *interface, char *devstr)
|
|
{
|
|
struct udevice *dev;
|
|
struct mtd_info *mtd;
|
|
|
|
ALLOC_CACHE_ALIGN_BUFFER(char, buf, DFU_ALT_BUF_LEN);
|
|
|
|
if (env_get("dfu_alt_info"))
|
|
return;
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
|
|
/* probe all MTD devices */
|
|
mtd_probe_devices();
|
|
|
|
board_get_alt_info("ram", buf);
|
|
|
|
if (!uclass_get_device(UCLASS_MMC, 0, &dev))
|
|
board_get_alt_info("mmc0", buf);
|
|
|
|
if (!uclass_get_device(UCLASS_MMC, 1, &dev))
|
|
board_get_alt_info("mmc1", buf);
|
|
|
|
if (!uclass_get_device(UCLASS_SPI_FLASH, 0, &dev))
|
|
board_get_alt_info("nor0", buf);
|
|
|
|
mtd = get_mtd_device_nm("nand0");
|
|
if (!IS_ERR_OR_NULL(mtd))
|
|
board_get_alt_info("nand0", buf);
|
|
|
|
mtd = get_mtd_device_nm("spi-nand0");
|
|
if (!IS_ERR_OR_NULL(mtd))
|
|
board_get_alt_info("spi-nand0", buf);
|
|
|
|
#ifdef CONFIG_DFU_VIRT
|
|
strncat(buf, "&virt 0=OTP", DFU_ALT_BUF_LEN);
|
|
|
|
if (IS_ENABLED(CONFIG_PMIC_STPMIC1))
|
|
strncat(buf, "&virt 1=PMIC", DFU_ALT_BUF_LEN);
|
|
#endif
|
|
|
|
env_set("dfu_alt_info", buf);
|
|
puts("DFU alt info setting: done\n");
|
|
}
|
|
|
|
#if CONFIG_IS_ENABLED(DFU_VIRT)
|
|
#include <dfu.h>
|
|
#include <power/stpmic1.h>
|
|
|
|
int dfu_otp_read(u64 offset, u8 *buffer, long *size)
|
|
{
|
|
struct udevice *dev;
|
|
int ret;
|
|
|
|
ret = uclass_get_device_by_driver(UCLASS_MISC,
|
|
DM_GET_DRIVER(stm32mp_bsec),
|
|
&dev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = misc_read(dev, offset + STM32_BSEC_OTP_OFFSET, buffer, *size);
|
|
if (ret >= 0) {
|
|
*size = ret;
|
|
ret = 0;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int dfu_pmic_read(u64 offset, u8 *buffer, long *size)
|
|
{
|
|
int ret;
|
|
#ifdef CONFIG_PMIC_STPMIC1
|
|
struct udevice *dev;
|
|
|
|
ret = uclass_get_device_by_driver(UCLASS_MISC,
|
|
DM_GET_DRIVER(stpmic1_nvm),
|
|
&dev);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = misc_read(dev, 0xF8 + offset, buffer, *size);
|
|
if (ret >= 0) {
|
|
*size = ret;
|
|
ret = 0;
|
|
}
|
|
if (ret == -EACCES) {
|
|
*size = 0;
|
|
ret = 0;
|
|
}
|
|
#else
|
|
pr_err("PMIC update not supported");
|
|
ret = -EOPNOTSUPP;
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
int dfu_read_medium_virt(struct dfu_entity *dfu, u64 offset,
|
|
void *buf, long *len)
|
|
{
|
|
switch (dfu->data.virt.dev_num) {
|
|
case 0x0:
|
|
return dfu_otp_read(offset, buf, len);
|
|
case 0x1:
|
|
return dfu_pmic_read(offset, buf, len);
|
|
}
|
|
*len = 0;
|
|
return 0;
|
|
}
|
|
|
|
int __weak dfu_get_medium_size_virt(struct dfu_entity *dfu, u64 *size)
|
|
{
|
|
*size = SZ_1K;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
static void board_copro_image_process(ulong fw_image, size_t fw_size)
|
|
{
|
|
int ret, id = 0; /* Copro id fixed to 0 as only one coproc on mp1 */
|
|
|
|
if (!rproc_is_initialized())
|
|
if (rproc_init()) {
|
|
printf("Remote Processor %d initialization failed\n",
|
|
id);
|
|
return;
|
|
}
|
|
|
|
ret = rproc_load(id, fw_image, fw_size);
|
|
printf("Load Remote Processor %d with data@addr=0x%08lx %u bytes:%s\n",
|
|
id, fw_image, fw_size, ret ? " Failed!" : " Success!");
|
|
|
|
if (!ret)
|
|
rproc_start(id);
|
|
}
|
|
|
|
U_BOOT_FIT_LOADABLE_HANDLER(IH_TYPE_COPRO, board_copro_image_process);
|