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https://github.com/AsahiLinux/u-boot
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1abd714de2
When an invalid USDHC port is passed we should return -EINVAL instead of 0. Also, return the error immediately on fsl_esdhc_initialize() failure. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
269 lines
6.7 KiB
C
269 lines
6.7 KiB
C
/*
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* (C) Copyright 2010 Freescale Semiconductor, Inc.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <asm/arch/imx-regs.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/arch/crm_regs.h>
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#include <asm/arch/clock.h>
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#include <asm/arch/iomux-mx53.h>
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#include <asm/errno.h>
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#include <asm/imx-common/boot_mode.h>
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#include <netdev.h>
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#include <i2c.h>
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#include <mmc.h>
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#include <fsl_esdhc.h>
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#include <power/pmic.h>
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#include <fsl_pmic.h>
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#include <asm/gpio.h>
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#include <mc13892.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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/* dram_init must store complete ramsize in gd->ram_size */
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gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
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PHYS_SDRAM_1_SIZE);
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return 0;
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}
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#define UART_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
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PAD_CTL_PUS_100K_UP | PAD_CTL_ODE)
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static void setup_iomux_uart(void)
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{
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static const iomux_v3_cfg_t uart_pads[] = {
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NEW_PAD_CTRL(MX53_PAD_CSI0_DAT11__UART1_RXD_MUX, UART_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_CSI0_DAT10__UART1_TXD_MUX, UART_PAD_CTRL),
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};
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imx_iomux_v3_setup_multiple_pads(uart_pads, ARRAY_SIZE(uart_pads));
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}
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#define I2C_PAD_CTRL (PAD_CTL_SRE_FAST | PAD_CTL_DSE_HIGH | \
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PAD_CTL_HYS | PAD_CTL_ODE)
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static void setup_i2c(unsigned int port_number)
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{
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static const iomux_v3_cfg_t i2c1_pads[] = {
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NEW_PAD_CTRL(MX53_PAD_CSI0_DAT8__I2C1_SDA, I2C_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_CSI0_DAT9__I2C1_SCL, I2C_PAD_CTRL),
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};
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static const iomux_v3_cfg_t i2c2_pads[] = {
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NEW_PAD_CTRL(MX53_PAD_KEY_ROW3__I2C2_SDA, I2C_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_KEY_COL3__I2C2_SCL, I2C_PAD_CTRL),
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};
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switch (port_number) {
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case 0:
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imx_iomux_v3_setup_multiple_pads(i2c1_pads,
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ARRAY_SIZE(i2c1_pads));
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break;
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case 1:
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imx_iomux_v3_setup_multiple_pads(i2c2_pads,
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ARRAY_SIZE(i2c2_pads));
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break;
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default:
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printf("Warning: Wrong I2C port number\n");
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break;
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}
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}
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void power_init(void)
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{
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unsigned int val;
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struct pmic *p;
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int ret;
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ret = pmic_init(I2C_0);
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if (ret)
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return;
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p = pmic_get("FSL_PMIC");
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if (!p)
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return;
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/* Set VDDA to 1.25V */
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pmic_reg_read(p, REG_SW_2, &val);
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val &= ~SWX_OUT_MASK;
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val |= SWX_OUT_1_25;
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pmic_reg_write(p, REG_SW_2, val);
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/*
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* Need increase VCC and VDDA to 1.3V
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* according to MX53 IC TO2 datasheet.
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*/
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if (is_soc_rev(CHIP_REV_2_0) == 0) {
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/* Set VCC to 1.3V for TO2 */
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pmic_reg_read(p, REG_SW_1, &val);
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val &= ~SWX_OUT_MASK;
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val |= SWX_OUT_1_30;
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pmic_reg_write(p, REG_SW_1, val);
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/* Set VDDA to 1.3V for TO2 */
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pmic_reg_read(p, REG_SW_2, &val);
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val &= ~SWX_OUT_MASK;
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val |= SWX_OUT_1_30;
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pmic_reg_write(p, REG_SW_2, val);
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}
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}
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static void setup_iomux_fec(void)
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{
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static const iomux_v3_cfg_t fec_pads[] = {
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NEW_PAD_CTRL(MX53_PAD_FEC_MDIO__FEC_MDIO, PAD_CTL_HYS |
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PAD_CTL_DSE_HIGH | PAD_CTL_PUS_22K_UP | PAD_CTL_ODE),
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NEW_PAD_CTRL(MX53_PAD_FEC_MDC__FEC_MDC, PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_FEC_RXD1__FEC_RDATA_1,
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PAD_CTL_HYS | PAD_CTL_PKE),
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NEW_PAD_CTRL(MX53_PAD_FEC_RXD0__FEC_RDATA_0,
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PAD_CTL_HYS | PAD_CTL_PKE),
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NEW_PAD_CTRL(MX53_PAD_FEC_TXD1__FEC_TDATA_1, PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_FEC_TXD0__FEC_TDATA_0, PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_FEC_TX_EN__FEC_TX_EN, PAD_CTL_DSE_HIGH),
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NEW_PAD_CTRL(MX53_PAD_FEC_REF_CLK__FEC_TX_CLK,
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PAD_CTL_HYS | PAD_CTL_PKE),
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NEW_PAD_CTRL(MX53_PAD_FEC_RX_ER__FEC_RX_ER,
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PAD_CTL_HYS | PAD_CTL_PKE),
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NEW_PAD_CTRL(MX53_PAD_FEC_CRS_DV__FEC_RX_DV,
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PAD_CTL_HYS | PAD_CTL_PKE),
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};
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imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
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}
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#ifdef CONFIG_FSL_ESDHC
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struct fsl_esdhc_cfg esdhc_cfg[2] = {
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{MMC_SDHC1_BASE_ADDR},
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{MMC_SDHC3_BASE_ADDR},
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};
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int board_mmc_getcd(struct mmc *mmc)
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{
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struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
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int ret;
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imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA11__GPIO3_11);
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gpio_direction_input(IMX_GPIO_NR(3, 11));
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imx_iomux_v3_setup_pad(MX53_PAD_EIM_DA13__GPIO3_13);
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gpio_direction_input(IMX_GPIO_NR(3, 13));
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if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR)
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ret = !gpio_get_value(IMX_GPIO_NR(3, 13));
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else
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ret = !gpio_get_value(IMX_GPIO_NR(3, 11));
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return ret;
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}
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#define SD_CMD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_DSE_HIGH | \
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PAD_CTL_PUS_100K_UP)
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#define SD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_47K_UP | \
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PAD_CTL_DSE_HIGH)
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int board_mmc_init(bd_t *bis)
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{
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static const iomux_v3_cfg_t sd1_pads[] = {
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NEW_PAD_CTRL(MX53_PAD_SD1_CMD__ESDHC1_CMD, SD_CMD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD1_CLK__ESDHC1_CLK, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD1_DATA0__ESDHC1_DAT0, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD1_DATA1__ESDHC1_DAT1, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD1_DATA2__ESDHC1_DAT2, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_SD1_DATA3__ESDHC1_DAT3, SD_PAD_CTRL),
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MX53_PAD_EIM_DA13__GPIO3_13,
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};
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static const iomux_v3_cfg_t sd2_pads[] = {
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NEW_PAD_CTRL(MX53_PAD_PATA_RESET_B__ESDHC3_CMD,
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SD_CMD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_IORDY__ESDHC3_CLK, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA8__ESDHC3_DAT0, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA9__ESDHC3_DAT1, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA10__ESDHC3_DAT2, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA11__ESDHC3_DAT3, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA0__ESDHC3_DAT4, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA1__ESDHC3_DAT5, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA2__ESDHC3_DAT6, SD_PAD_CTRL),
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NEW_PAD_CTRL(MX53_PAD_PATA_DATA3__ESDHC3_DAT7, SD_PAD_CTRL),
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MX53_PAD_EIM_DA11__GPIO3_11,
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};
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u32 index;
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int ret;
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esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
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esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
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for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) {
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switch (index) {
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case 0:
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imx_iomux_v3_setup_multiple_pads(sd1_pads,
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ARRAY_SIZE(sd1_pads));
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break;
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case 1:
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imx_iomux_v3_setup_multiple_pads(sd2_pads,
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ARRAY_SIZE(sd2_pads));
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break;
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default:
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printf("Warning: you configured more ESDHC controller"
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"(%d) as supported by the board(2)\n",
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CONFIG_SYS_FSL_ESDHC_NUM);
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return -EINVAL;
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}
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ret = fsl_esdhc_initialize(bis, &esdhc_cfg[index]);
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if (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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#endif
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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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setup_iomux_fec();
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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_1 + 0x100;
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return 0;
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}
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#ifdef CONFIG_CMD_BMODE
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static const struct boot_mode board_boot_modes[] = {
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/* 4 bit bus width */
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{"mmc0", MAKE_CFGVAL(0x40, 0x20, 0x00, 0x12)},
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{"mmc1", MAKE_CFGVAL(0x40, 0x20, 0x08, 0x12)},
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{NULL, 0},
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};
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#endif
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int board_late_init(void)
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{
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setup_i2c(1);
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power_init();
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#ifdef CONFIG_CMD_BMODE
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add_board_boot_modes(board_boot_modes);
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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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puts("Board: MX53EVK\n");
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return 0;
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}
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