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![Simon Glass](/assets/img/avatar_default.png)
These functions relate to memory init so move them into the init header. Signed-off-by: Simon Glass <sjg@chromium.org>
213 lines
6.2 KiB
C
213 lines
6.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2018 Collabora Ltd.
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*
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* Based on board/ccv/xpress/xpress.c:
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* Copyright (C) 2015-2016 Stefan Roese <sr@denx.de>
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*/
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#include <init.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/mx6-pins.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/mach-imx/iomux-v3.h>
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#include <asm/mach-imx/mxc_i2c.h>
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#include <fsl_esdhc_imx.h>
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#include <linux/bitops.h>
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#include <miiphy.h>
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#include <netdev.h>
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#include <usb.h>
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#include <usb/ehci-ci.h>
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DECLARE_GLOBAL_DATA_PTR;
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int dram_init(void)
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{
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gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
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return 0;
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}
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#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
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PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | \
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PAD_CTL_HYS)
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static iomux_v3_cfg_t const uart1_pads[] = {
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MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static iomux_v3_cfg_t const uart5_pads[] = {
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MX6_PAD_UART5_TX_DATA__UART5_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_UART5_RX_DATA__UART5_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_GPIO1_IO09__UART5_DCE_CTS | MUX_PAD_CTRL(UART_PAD_CTRL),
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MX6_PAD_GPIO1_IO08__UART5_DCE_RTS | MUX_PAD_CTRL(UART_PAD_CTRL),
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};
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static void setup_iomux_uart(void)
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{
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imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
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imx_iomux_v3_setup_multiple_pads(uart5_pads, ARRAY_SIZE(uart5_pads));
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}
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#ifdef CONFIG_NAND_MXS
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#define NAND_PAD_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)
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#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_48ohm | PAD_CTL_PUS_22K_UP)
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#define NANDREADYPC MUX_PAD_CTRL(NAND_PAD_READY0_CTRL)
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static iomux_v3_cfg_t const gpmi_pads[] = {
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MX6_PAD_NAND_DATA00__RAWNAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_DATA01__RAWNAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_DATA02__RAWNAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_DATA03__RAWNAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_DATA04__RAWNAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_DATA05__RAWNAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_DATA06__RAWNAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_DATA07__RAWNAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_CLE__RAWNAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_ALE__RAWNAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_RE_B__RAWNAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_WE_B__RAWNAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_CE0_B__RAWNAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
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MX6_PAD_NAND_READY_B__RAWNAND_READY_B | NANDREADYPC,
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};
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static void setup_gpmi_nand(void)
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{
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imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
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setup_gpmi_io_clk((3 << MXC_CCM_CSCDR1_BCH_PODF_OFFSET) |
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(3 << MXC_CCM_CSCDR1_GPMI_PODF_OFFSET));
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}
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#endif /* CONFIG_NAND_MXS */
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#ifdef CONFIG_FEC_MXC
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#define ENET_CLK_PAD_CTRL (PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
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#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
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PAD_CTL_SPEED_HIGH | PAD_CTL_DSE_48ohm | \
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PAD_CTL_SRE_FAST)
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#define MDIO_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \
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PAD_CTL_DSE_48ohm | PAD_CTL_SRE_FAST | \
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PAD_CTL_ODE)
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static iomux_v3_cfg_t const fec1_pads[] = {
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MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
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MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
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MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
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};
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static iomux_v3_cfg_t const fec2_pads[] = {
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MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
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MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
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MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
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};
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static void setup_iomux_fec(void)
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{
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imx_iomux_v3_setup_multiple_pads(fec1_pads, ARRAY_SIZE(fec1_pads));
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imx_iomux_v3_setup_multiple_pads(fec2_pads, ARRAY_SIZE(fec2_pads));
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}
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static int setup_fec(void)
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{
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struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
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int ret;
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/*
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* Use 50M anatop loopback REF_CLK1 for ENET1,
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* clear gpr1[13], set gpr1[17].
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*/
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clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC1_MASK,
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IOMUX_GPR1_FEC1_CLOCK_MUX1_SEL_MASK);
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ret = enable_fec_anatop_clock(0, ENET_50MHZ);
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if (ret)
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return ret;
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/*
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* Use 50M anatop loopback REF_CLK2 for ENET2,
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* clear gpr1[14], set gpr1[18].
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*/
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clrsetbits_le32(&iomuxc_regs->gpr[1], IOMUX_GPR1_FEC2_MASK,
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IOMUX_GPR1_FEC2_CLOCK_MUX1_SEL_MASK);
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ret = enable_fec_anatop_clock(1, ENET_50MHZ);
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if (ret)
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return ret;
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enable_enet_clk(1);
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return 0;
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}
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int board_phy_config(struct phy_device *phydev)
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{
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/*
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* Defaults + Enable status LEDs (LED1: Activity, LED0: Link) & select
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* 50 MHz RMII clock mode.
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*/
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phy_write(phydev, MDIO_DEVAD_NONE, 0x1f, 0x8190);
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if (phydev->drv->config)
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phydev->drv->config(phydev);
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return 0;
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}
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#endif /* CONFIG_FEC_MXC */
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int board_early_init_f(void)
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{
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setup_iomux_uart();
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#ifdef CONFIG_FEC_MXC
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setup_iomux_fec();
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#endif
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return 0;
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}
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int board_init(void)
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{
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/* Address of boot parameters */
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gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
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#ifdef CONFIG_NAND_MXS
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setup_gpmi_nand();
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#endif
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#ifdef CONFIG_FEC_MXC
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setup_fec();
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#endif
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return 0;
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}
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int checkboard(void)
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{
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u32 cpurev = get_cpu_rev();
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printf("Board: PHYTEC phyCORE-i.MX%s\n",
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get_imx_type((cpurev & 0xFF000) >> 12));
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return 0;
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}
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