diff options
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/mx53evk/mx53evk.c')
-rw-r--r-- | qemu/roms/u-boot/board/freescale/mx53evk/mx53evk.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/freescale/mx53evk/mx53evk.c b/qemu/roms/u-boot/board/freescale/mx53evk/mx53evk.c new file mode 100644 index 000000000..13519e26d --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mx53evk/mx53evk.c @@ -0,0 +1,267 @@ +/* + * (C) Copyright 2010 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/sys_proto.h> +#include <asm/arch/crm_regs.h> +#include <asm/arch/clock.h> +#include <asm/arch/iomux-mx53.h> +#include <asm/errno.h> +#include <asm/imx-common/boot_mode.h> +#include <netdev.h> +#include <i2c.h> +#include <mmc.h> +#include <fsl_esdhc.h> +#include <power/pmic.h> +#include <fsl_pmic.h> +#include <asm/gpio.h> +#include <mc13892.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + /* dram_init must store complete ramsize in gd->ram_size */ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, + PHYS_SDRAM_1_SIZE); + return 0; +} + +#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_ODE) + +static void setup_iomux_uart(void) +{ + static const iomux_v3_cfg_t uart_pads[] = { + NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL), + }; + + imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads)); +} + +#define I2C_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \ + PAD_CTL_HYS | PAD_CTL_ODE) + +static void setup_i2c(unsigned int port_number) +{ + static const iomux_v3_cfg_t i2c1_pads[] = { + NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL), + }; + + static const iomux_v3_cfg_t i2c2_pads[] = { + NEW_PAD_CTRL(MX53_PAD_KEY_ROW3__I2C2_SDA, I2C_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_KEY_COL3__I2C2_SCL, I2C_PAD_CTRL), + }; + + switch (port_number) { + case 0: + imx_iomux_v3_setup_multiple_pads(i2c1_pads, + ARRAY_SIZE(i2c1_pads)); + break; + case 1: + imx_iomux_v3_setup_multiple_pads(i2c2_pads, + ARRAY_SIZE(i2c2_pads)); + break; + default: + printf("Warning: Wrong I2C port number\n"); + break; + } +} + +void power_init(void) +{ + unsigned int val; + struct pmic *p; + int ret; + + ret = pmic_init(I2C_0); + if (ret) + return; + + p = pmic_get("FSL_PMIC"); + if (!p) + return; + + /* Set VDDA to 1.25V */ + pmic_reg_read(p, REG_SW_2, &val); + val &= ~SWX_OUT_MASK; + val |= SWX_OUT_1_25; + pmic_reg_write(p, REG_SW_2, val); + + /* + * Need increase VCC and VDDA to 1.3V + * according to MX53 IC TO2 datasheet. + */ + if (is_soc_rev(CHIP_REV_2_0) == 0) { + /* Set VCC to 1.3V for TO2 */ + pmic_reg_read(p, REG_SW_1, &val); + val &= ~SWX_OUT_MASK; + val |= SWX_OUT_1_30; + pmic_reg_write(p, REG_SW_1, val); + + /* Set VDDA to 1.3V for TO2 */ + pmic_reg_read(p, REG_SW_2, &val); + val &= ~SWX_OUT_MASK; + val |= SWX_OUT_1_30; + pmic_reg_write(p, REG_SW_2, val); + } +} + +static void setup_iomux_fec(void) +{ + static const iomux_v3_cfg_t fec_pads[] = { + NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS | + PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE), + NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH), + NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1, + PAD_CTL_HYS | PAD_CTL_PKE), + NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0, + PAD_CTL_HYS | PAD_CTL_PKE), + NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH), + NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH), + NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH), + NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK, + PAD_CTL_HYS | PAD_CTL_PKE), + NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER, + PAD_CTL_HYS | PAD_CTL_PKE), + NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV, + PAD_CTL_HYS | PAD_CTL_PKE), + }; + + imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads)); +} + +#ifdef CONFIG_FSL_ESDHC +struct fsl_esdhc_cfg esdhc_cfg[2] = { + {MMC_SDHC1_BASE_ADDR}, + {MMC_SDHC3_BASE_ADDR}, +}; + +int board_mmc_getcd(struct mmc *mmc) +{ + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret; + + imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA11__GPIO3_11); + gpio_direction_input(IMX_GPIO_NR(3, 11)); + imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA13__GPIO3_13); + gpio_direction_input(IMX_GPIO_NR(3, 13)); + + if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR) + ret = !gpio_get_value(IMX_GPIO_NR(3, 13)); + else + ret = !gpio_get_value(IMX_GPIO_NR(3, 11)); + + return ret; +} + +#define SD_CMD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \ + PAD_CTL_PUS_100K_UP) +#define SD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \ + PAD_CTL_DSE_HIGH) + +int board_mmc_init(bd_t *bis) +{ + static const iomux_v3_cfg_t sd1_pads[] = { + NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL), + MX53_PAD_EIM_DA13__GPIO3_13, + }; + + static const iomux_v3_cfg_t sd2_pads[] = { + NEW_PAD_CTRL(MX53_PAD_PATA_RESET_B__ESDHC3_CMD, + SD_CMD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_IORDY__ESDHC3_CLK, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA8__ESDHC3_DAT0, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA9__ESDHC3_DAT1, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA10__ESDHC3_DAT2, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA11__ESDHC3_DAT3, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__ESDHC3_DAT4, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__ESDHC3_DAT5, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__ESDHC3_DAT6, SD_PAD_CTRL), + NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__ESDHC3_DAT7, SD_PAD_CTRL), + MX53_PAD_EIM_DA11__GPIO3_11, + }; + + u32 index; + s32 status = 0; + + esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + + for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { + switch (index) { + case 0: + imx_iomux_v3_setup_multiple_pads(sd1_pads, + ARRAY_SIZE(sd1_pads)); + break; + case 1: + imx_iomux_v3_setup_multiple_pads(sd2_pads, + ARRAY_SIZE(sd2_pads)); + break; + default: + printf("Warning: you configured more ESDHC controller" + "(%d) as supported by the board(2)\n", + CONFIG_SYS_FSL_ESDHC_NUM); + return status; + } + status |= fsl_esdhc_initialize(bis, &esdhc_cfg[index]); + } + + return status; +} +#endif + +int board_early_init_f(void) +{ + setup_iomux_uart(); + setup_iomux_fec(); + + return 0; +} + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + + return 0; +} + +#ifdef CONFIG_CMD_BMODE +static const struct boot_mode board_boot_modes[] = { + /* 4 bit bus width */ + {"mmc0", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x12)}, + {"mmc1", MAKE_CFGVAL(0x40, 0x20, 0x08, 0x12)}, + {NULL, 0}, +}; +#endif + +int board_late_init(void) +{ + setup_i2c(1); + power_init(); + +#ifdef CONFIG_CMD_BMODE + add_board_boot_modes(board_boot_modes); +#endif + return 0; +} + +int checkboard(void) +{ + puts("Board: MX53EVK\n"); + + return 0; +} |