+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2017 Stefano Babic <sbabic@denx.de>
- */
-
-#include <common.h>
-#include <cpu_func.h>
-#include <init.h>
-#include <log.h>
-#include <net.h>
-#include <asm/global_data.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/iomux.h>
-#include <asm/arch/crm_regs.h>
-#include <asm/arch/iomux.h>
-#include <asm/arch/mx6-pins.h>
-#include <asm/mach-imx/iomux-v3.h>
-#include <asm/mach-imx/boot_mode.h>
-#include <asm/mach-imx/mxc_i2c.h>
-#include <asm/mach-imx/spi.h>
-#include <env.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <asm/gpio.h>
-#include <mmc.h>
-#include <i2c.h>
-#include <fsl_esdhc_imx.h>
-#include <nand.h>
-#include <miiphy.h>
-#include <netdev.h>
-#include <asm/arch/sys_proto.h>
-#include <asm/sections.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
- PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
- PAD_CTL_SRE_FAST | PAD_CTL_HYS)
-
-#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \
- PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
- PAD_CTL_SRE_FAST | PAD_CTL_HYS)
-
-#define ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
- PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
-
-#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \
- PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
-
-#define I2C_PAD_CTRL (PAD_CTL_PUS_100K_UP | \
- PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
- PAD_CTL_ODE | PAD_CTL_SRE_FAST)
-
-#define I2C_PAD MUX_PAD_CTRL(I2C_PAD_CTRL)
-
-#define ASRC_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \
- PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
-
-#define NAND_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
- PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
-
-#define ENET_PHY_RESET_GPIO IMX_GPIO_NR(1, 14)
-#define USDHC2_CD_GPIO IMX_GPIO_NR(1, 4)
-#define GREEN_LED IMX_GPIO_NR(2, 31)
-#define RED_LED IMX_GPIO_NR(1, 30)
-#define IMX6Q_DRIVE_STRENGTH 0x30
-
-int dram_init(void)
-{
- gd->ram_size = imx_ddr_size();
- return 0;
-}
-
-static iomux_v3_cfg_t const uart4_pads[] = {
- IOMUX_PADS(PAD_KEY_COL0__UART4_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
- IOMUX_PADS(PAD_KEY_ROW0__UART4_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
-};
-
-static iomux_v3_cfg_t const enet_pads[] = {
- IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL |
- MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK |
- MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL |
- MUX_PAD_CTRL(ENET_PAD_CTRL)),
- IOMUX_PADS(PAD_SD2_DAT1__GPIO1_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL)),
-};
-
-static iomux_v3_cfg_t const ecspi3_pads[] = {
- IOMUX_PADS(PAD_DISP0_DAT0__ECSPI3_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
- IOMUX_PADS(PAD_DISP0_DAT1__ECSPI3_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
- IOMUX_PADS(PAD_DISP0_DAT2__ECSPI3_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
- IOMUX_PADS(PAD_DISP0_DAT3__GPIO4_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)),
-};
-
-static iomux_v3_cfg_t const gpios_pads[] = {
- IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL)),
- IOMUX_PADS(PAD_SD4_DAT4__GPIO2_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL)),
- IOMUX_PADS(PAD_SD4_DAT5__GPIO2_IO13 | MUX_PAD_CTRL(NO_PAD_CTRL)),
- IOMUX_PADS(PAD_SD4_DAT6__GPIO2_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL)),
- IOMUX_PADS(PAD_SD4_DAT7__GPIO2_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL)),
- IOMUX_PADS(PAD_EIM_EB3__GPIO2_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)),
- IOMUX_PADS(PAD_ENET_TXD0__GPIO1_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)),
- IOMUX_PADS(PAD_SD4_DAT3__GPIO2_IO11 | MUX_PAD_CTRL(NO_PAD_CTRL)),
-};
-
-#if defined(CONFIG_CMD_NAND) && !defined(CONFIG_SPL_BUILD)
-/* NAND */
-static iomux_v3_cfg_t const nfc_pads[] = {
- IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_CS1__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_CS2__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_CS3__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL)),
- IOMUX_PADS(PAD_SD4_DAT0__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL)),
-};
-#endif
-
-static struct i2c_pads_info i2c_pad_info = {
- .scl = {
- .i2c_mode = MX6Q_PAD_EIM_D21__I2C1_SCL | I2C_PAD,
- .gpio_mode = MX6Q_PAD_EIM_D21__GPIO3_IO21 | I2C_PAD,
- .gp = IMX_GPIO_NR(3, 21)
- },
- .sda = {
- .i2c_mode = MX6Q_PAD_EIM_D28__I2C1_SDA | I2C_PAD,
- .gpio_mode = MX6Q_PAD_EIM_D28__GPIO3_IO28 | I2C_PAD,
- .gp = IMX_GPIO_NR(3, 28)
- }
-};
-
-static struct fsl_esdhc_cfg usdhc_cfg[] = {
- {USDHC3_BASE_ADDR,
- .max_bus_width = 4},
- {.esdhc_base = USDHC2_BASE_ADDR,
- .max_bus_width = 4},
-};
-
-#if !defined(CONFIG_SPL_BUILD)
-static iomux_v3_cfg_t const usdhc2_pads[] = {
- IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_EIM_BCLK__GPIO6_IO31 | MUX_PAD_CTRL(NO_PAD_CTRL)),
- IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(NO_PAD_CTRL)),
-};
-#endif
-
-static iomux_v3_cfg_t const usdhc3_pads[] = {
- IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
- IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
-};
-
-int board_mmc_get_env_dev(int devno)
-{
- return devno - 1;
-}
-
-int board_mmc_getcd(struct mmc *mmc)
-{
- struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
- int ret = 0;
-
- switch (cfg->esdhc_base) {
- case USDHC2_BASE_ADDR:
- ret = !gpio_get_value(USDHC2_CD_GPIO);
- ret = 1;
- break;
- case USDHC3_BASE_ADDR:
- ret = 1;
- break;
- }
-
- return ret;
-}
-
-#ifndef CONFIG_SPL_BUILD
-int board_mmc_init(struct bd_info *bis)
-{
- int ret;
- int i;
-
- for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
- switch (i) {
- case 0:
- SETUP_IOMUX_PADS(usdhc3_pads);
- usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
- break;
- case 1:
- SETUP_IOMUX_PADS(usdhc2_pads);
- gpio_direction_input(USDHC2_CD_GPIO);
- usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
- break;
- default:
- printf("Warning: you configured more USDHC controllers"
- "(%d) then supported by the board (%d)\n",
- i + 1, CONFIG_SYS_FSL_USDHC_NUM);
- return -EINVAL;
- }
-
- ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-#endif
-
-static void setup_iomux_uart(void)
-{
- SETUP_IOMUX_PADS(uart4_pads);
-}
-
-static void setup_iomux_enet(void)
-{
- SETUP_IOMUX_PADS(enet_pads);
-
- gpio_direction_output(ENET_PHY_RESET_GPIO, 0);
- mdelay(10);
- gpio_set_value(ENET_PHY_RESET_GPIO, 1);
- mdelay(30);
-}
-
-static void setup_spi(void)
-{
- gpio_request(IMX_GPIO_NR(4, 24), "spi_cs0");
- gpio_direction_output(IMX_GPIO_NR(4, 24), 1);
-
- SETUP_IOMUX_PADS(ecspi3_pads);
-
- enable_spi_clk(true, 2);
-}
-
-static void setup_gpios(void)
-{
- SETUP_IOMUX_PADS(gpios_pads);
-}
-
-#if defined(CONFIG_CMD_NAND) && !defined(CONFIG_SPL_BUILD)
-static void setup_gpmi_nand(void)
-{
- struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
-
- /* config gpmi nand iomux */
- SETUP_IOMUX_PADS(nfc_pads);
-
- /* gate ENFC_CLK_ROOT clock first,before clk source switch */
- clrbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
-
- /* config gpmi and bch clock to 100 MHz */
- clrsetbits_le32(&mxc_ccm->cs2cdr,
- MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
- MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
- MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
- MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
- MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
- MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
-
- /* enable ENFC_CLK_ROOT clock */
- setbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
-
- /* enable gpmi and bch clock gating */
- setbits_le32(&mxc_ccm->CCGR4,
- MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
- MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
- MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
- MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
- MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
-
- /* enable apbh clock gating */
- setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
-}
-#endif
-
-/*
- * Board revision is coded in 4 GPIOs
- */
-u32 get_board_rev(void)
-{
- u32 rev;
- int i;
-
- for (i = 0, rev = 0; i < 4; i++)
- rev |= (gpio_get_value(IMX_GPIO_NR(2, 12 + i)) << i);
-
- return 16 - rev;
-}
-
-int board_spi_cs_gpio(unsigned bus, unsigned cs)
-{
- if (bus != 2 || (cs != 0))
- return -EINVAL;
-
- return IMX_GPIO_NR(4, 24);
-}
-
-int board_eth_init(struct bd_info *bis)
-{
- setup_iomux_enet();
-
- return cpu_eth_init(bis);
-}
-
-int board_early_init_f(void)
-{
- setup_iomux_uart();
-
- return 0;
-}
-
-int board_init(void)
-{
- /* address of boot parameters */
- gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
-
-#ifdef CONFIG_SYS_I2C_MXC
- setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info);
-#endif
-
-#ifdef CONFIG_MXC_SPI
- setup_spi();
-#endif
-
- setup_gpios();
-
-#if defined(CONFIG_CMD_NAND) && !defined(CONFIG_SPL_BUILD)
- setup_gpmi_nand();
-#endif
- return 0;
-}
-
-
-#ifdef CONFIG_CMD_BMODE
-/*
- * BOOT_CFG1, BOOT_CFG2, BOOT_CFG3, BOOT_CFG4
- * see Table 8-11 and Table 5-9
- * BOOT_CFG1[7] = 1 (boot from NAND)
- * BOOT_CFG1[5] = 0 - raw NAND
- * BOOT_CFG1[4] = 0 - default pad settings
- * BOOT_CFG1[3:2] = 00 - devices = 1
- * BOOT_CFG1[1:0] = 00 - Row Address Cycles = 3
- * BOOT_CFG2[4:3] = 00 - Boot Search Count = 2
- * BOOT_CFG2[2:1] = 01 - Pages In Block = 64
- * BOOT_CFG2[0] = 0 - Reset time 12ms
- */
-static const struct boot_mode board_boot_modes[] = {
- /* NAND: 64pages per block, 3 row addr cycles, 2 copies of FCB/DBBT */
- {"nand", MAKE_CFGVAL(0x80, 0x02, 0x00, 0x00)},
- {"mmc0", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)},
- {NULL, 0},
-};
-#endif
-
-int board_late_init(void)
-{
- char buf[10];
-#ifdef CONFIG_CMD_BMODE
- add_board_boot_modes(board_boot_modes);
-#endif
-
- snprintf(buf, sizeof(buf), "%d", get_board_rev());
- env_set("board_rev", buf);
-
- return 0;
-}
-
-#ifdef CONFIG_SPL_BUILD
-#include <asm/arch/mx6-ddr.h>
-#include <spl.h>
-#include <linux/libfdt.h>
-
-#define MX6_PHYFLEX_ERR006282 IMX_GPIO_NR(2, 11)
-static void phyflex_err006282_workaround(void)
-{
- /*
- * Boards beginning with 1362.2 have the SD4_DAT3 pin connected
- * to the CMIC. If this pin isn't toggled within 10s the boards
- * reset. The pin is unconnected on older boards, so we do not
- * need a check for older boards before applying this fixup.
- */
-
- gpio_direction_output(MX6_PHYFLEX_ERR006282, 0);
- mdelay(2);
- gpio_direction_output(MX6_PHYFLEX_ERR006282, 1);
- mdelay(2);
- gpio_set_value(MX6_PHYFLEX_ERR006282, 0);
-
- gpio_direction_input(MX6_PHYFLEX_ERR006282);
-}
-
-static const struct mx6dq_iomux_ddr_regs mx6_ddr_ioregs = {
- .dram_sdclk_0 = 0x00000030,
- .dram_sdclk_1 = 0x00000030,
- .dram_cas = 0x00000030,
- .dram_ras = 0x00000030,
- .dram_reset = 0x00000030,
- .dram_sdcke0 = 0x00003000,
- .dram_sdcke1 = 0x00003000,
- .dram_sdba2 = 0x00000030,
- .dram_sdodt0 = 0x00000030,
- .dram_sdodt1 = 0x00000030,
-
- .dram_sdqs0 = 0x00000028,
- .dram_sdqs1 = 0x00000028,
- .dram_sdqs2 = 0x00000028,
- .dram_sdqs3 = 0x00000028,
- .dram_sdqs4 = 0x00000028,
- .dram_sdqs5 = 0x00000028,
- .dram_sdqs6 = 0x00000028,
- .dram_sdqs7 = 0x00000028,
- .dram_dqm0 = 0x00000028,
- .dram_dqm1 = 0x00000028,
- .dram_dqm2 = 0x00000028,
- .dram_dqm3 = 0x00000028,
- .dram_dqm4 = 0x00000028,
- .dram_dqm5 = 0x00000028,
- .dram_dqm6 = 0x00000028,
- .dram_dqm7 = 0x00000028,
-};
-
-static const struct mx6dq_iomux_grp_regs mx6_grp_ioregs = {
- .grp_ddr_type = 0x000C0000,
- .grp_ddrmode_ctl = 0x00020000,
- .grp_ddrpke = 0x00000000,
- .grp_addds = IMX6Q_DRIVE_STRENGTH,
- .grp_ctlds = IMX6Q_DRIVE_STRENGTH,
- .grp_ddrmode = 0x00020000,
- .grp_b0ds = 0x00000028,
- .grp_b1ds = 0x00000028,
- .grp_b2ds = 0x00000028,
- .grp_b3ds = 0x00000028,
- .grp_b4ds = 0x00000028,
- .grp_b5ds = 0x00000028,
- .grp_b6ds = 0x00000028,
- .grp_b7ds = 0x00000028,
-};
-
-static const struct mx6_mmdc_calibration mx6_mmcd_calib = {
- .p0_mpwldectrl0 = 0x00110011,
- .p0_mpwldectrl1 = 0x00240024,
- .p1_mpwldectrl0 = 0x00260038,
- .p1_mpwldectrl1 = 0x002C0038,
- .p0_mpdgctrl0 = 0x03400350,
- .p0_mpdgctrl1 = 0x03440340,
- .p1_mpdgctrl0 = 0x034C0354,
- .p1_mpdgctrl1 = 0x035C033C,
- .p0_mprddlctl = 0x322A2A2A,
- .p1_mprddlctl = 0x302C2834,
- .p0_mpwrdlctl = 0x34303834,
- .p1_mpwrdlctl = 0x422A3E36,
-};
-
-/* Index in RAM Chip array */
-enum {
- RAM_MT64K,
- RAM_MT128K,
- RAM_MT256K
-};
-
-static struct mx6_ddr3_cfg mt41k_xx[] = {
-/* MT41K64M16JT-125 (1Gb density) */
- {
- .mem_speed = 1600,
- .density = 1,
- .width = 16,
- .banks = 8,
- .rowaddr = 13,
- .coladdr = 10,
- .pagesz = 2,
- .trcd = 1375,
- .trcmin = 4875,
- .trasmin = 3500,
- .SRT = 1,
- },
-
-/* MT41K256M16JT-125 (2Gb density) */
- {
- .mem_speed = 1600,
- .density = 2,
- .width = 16,
- .banks = 8,
- .rowaddr = 14,
- .coladdr = 10,
- .pagesz = 2,
- .trcd = 1375,
- .trcmin = 4875,
- .trasmin = 3500,
- .SRT = 1,
- },
-
-/* MT41K256M16JT-125 (4Gb density) */
- {
- .mem_speed = 1600,
- .density = 4,
- .width = 16,
- .banks = 8,
- .rowaddr = 15,
- .coladdr = 10,
- .pagesz = 2,
- .trcd = 1375,
- .trcmin = 4875,
- .trasmin = 3500,
- .SRT = 1,
- }
-};
-
-static void ccgr_init(void)
-{
- struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
-
- writel(0x00C03F3F, &ccm->CCGR0);
- writel(0x0030FC03, &ccm->CCGR1);
- writel(0x0FFFC000, &ccm->CCGR2);
- writel(0x3FF00000, &ccm->CCGR3);
- writel(0x00FFF300, &ccm->CCGR4);
- writel(0x0F0000C3, &ccm->CCGR5);
- writel(0x000003FF, &ccm->CCGR6);
-}
-
-static void spl_dram_init(struct mx6_ddr_sysinfo *sysinfo,
- struct mx6_ddr3_cfg *mem_ddr)
-{
- mx6dq_dram_iocfg(64, &mx6_ddr_ioregs, &mx6_grp_ioregs);
- mx6_dram_cfg(sysinfo, &mx6_mmcd_calib, mem_ddr);
-}
-
-int board_mmc_init(struct bd_info *bis)
-{
- if (spl_boot_device() == BOOT_DEVICE_SPI)
- printf("MMC SEtup, Boot SPI");
-
- SETUP_IOMUX_PADS(usdhc3_pads);
- usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR;
- usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
- usdhc_cfg[0].max_bus_width = 4;
- gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
-
- return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
-}
-
-
-void board_boot_order(u32 *spl_boot_list)
-{
- spl_boot_list[0] = spl_boot_device();
- printf("Boot device %x\n", spl_boot_list[0]);
- switch (spl_boot_list[0]) {
- case BOOT_DEVICE_SPI:
- spl_boot_list[1] = BOOT_DEVICE_UART;
- break;
- case BOOT_DEVICE_MMC1:
- spl_boot_list[1] = BOOT_DEVICE_SPI;
- spl_boot_list[2] = BOOT_DEVICE_UART;
- break;
- default:
- printf("Boot device %x\n", spl_boot_list[0]);
- }
-}
-
-/*
- * This is used because get_ram_size() does not
- * take care of cache, resulting a wrong size
- * pfla02 has just 1, 2 or 4 GB option
- * Function checks for mirrors in the first CS
- */
-#define RAM_TEST_PATTERN 0xaa5555aa
-#define MIN_BANK_SIZE (512 * 1024 * 1024)
-
-static unsigned int pfla02_detect_chiptype(void)
-{
- u32 *p, *p1;
- unsigned int offset = MIN_BANK_SIZE;
- int i;
-
- for (i = 0; i < 2; i++) {
- p = (u32 *)PHYS_SDRAM;
- p1 = (u32 *)(PHYS_SDRAM + (i + 1) * offset);
-
- *p1 = 0;
- *p = RAM_TEST_PATTERN;
-
- /*
- * This is required to detect mirroring
- * else we read back values from cache
- */
- flush_dcache_all();
-
- if (*p == *p1)
- return i;
- }
- return RAM_MT256K;
-}
-
-void board_init_f(ulong dummy)
-{
- unsigned int ramchip;
-
- struct mx6_ddr_sysinfo sysinfo = {
- /* width of data bus:0=16,1=32,2=64 */
- .dsize = 2,
- /* config for full 4GB range so that get_mem_size() works */
- .cs_density = 32, /* 512 MB */
- /* single chip select */
-#if IS_ENABLED(CONFIG_SPL_DRAM_1_BANK)
- .ncs = 1,
-#else
- .ncs = 2,
-#endif
- .cs1_mirror = 1,
- .rtt_wr = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Wr = RZQ/4 */
- .rtt_nom = 1 /*DDR3_RTT_60_OHM*/, /* RTT_Nom = RZQ/4 */
- .walat = 1, /* Write additional latency */
- .ralat = 5, /* Read additional latency */
- .mif3_mode = 3, /* Command prediction working mode */
- .bi_on = 1, /* Bank interleaving enabled */
- .sde_to_rst = 0x10, /* 14 cycles, 200us (JEDEC default) */
- .rst_to_cke = 0x23, /* 33 cycles, 500us (JEDEC default) */
- .ddr_type = DDR_TYPE_DDR3,
- .refsel = 1, /* Refresh cycles at 32KHz */
- .refr = 7, /* 8 refresh commands per refresh cycle */
- };
-
-#if defined(CONFIG_CMD_NAND) && !defined(CONFIG_SPL_BUILD)
- /* Enable NAND */
- setup_gpmi_nand();
-#endif
-
- /* setup clock gating */
- ccgr_init();
-
- /* setup AIPS and disable watchdog */
- arch_cpu_init();
-
- /* setup AXI */
- gpr_init();
-
- board_early_init_f();
-
- /* setup GP timer */
- timer_init();
-
- /* UART clocks enabled and gd valid - init serial console */
- preloader_console_init();
-
- setup_spi();
-
- setup_gpios();
-
- /* DDR initialization */
- spl_dram_init(&sysinfo, &mt41k_xx[RAM_MT256K]);
- ramchip = pfla02_detect_chiptype();
- debug("Detected chip %d\n", ramchip);
-#if !IS_ENABLED(CONFIG_SPL_DRAM_1_BANK)
- switch (ramchip) {
- case RAM_MT64K:
- sysinfo.cs_density = 6;
- break;
- case RAM_MT128K:
- sysinfo.cs_density = 10;
- break;
- case RAM_MT256K:
- sysinfo.cs_density = 18;
- break;
- }
-#endif
- spl_dram_init(&sysinfo, &mt41k_xx[ramchip]);
-
- /* Clear the BSS. */
- memset(__bss_start, 0, __bss_end - __bss_start);
-
- phyflex_err006282_workaround();
-
- /* load/boot image from boot device */
- board_init_r(NULL, 0);
-}
-#endif
projects / u-boot.git / commitdiff
