*/
#include <init.h>
+#include <net.h>
#include <asm/arch/clock.h>
#include <asm/arch/iomux.h>
#include <asm/arch/imx-regs.h>
#include <fsl_esdhc_imx.h>
#include <i2c.h>
#include <miiphy.h>
+#include <linux/delay.h>
#include <linux/sizes.h>
#include <mmc.h>
#include <netdev.h>
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_PKE | PAD_CTL_PUE | \
- PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
- PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
-
-#define USDHC_DAT3_CD_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
- PAD_CTL_PUS_100K_DOWN | PAD_CTL_SPEED_LOW | \
- PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
-
#define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
};
-static iomux_v3_cfg_t const usdhc1_pads[] = {
- MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-
- /* VSELECT */
- MX6_PAD_GPIO1_IO05__USDHC1_VSELECT | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- /* CD */
- MX6_PAD_UART1_RTS_B__GPIO1_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL),
- /* RST_B */
- MX6_PAD_GPIO1_IO09__GPIO1_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL),
-};
-
-/*
- * mx6ul_14x14_evk board default supports sd card. If want to use
- * EMMC, need to do board rework for sd2.
- * Introduce CONFIG_MX6UL_14X14_EVK_EMMC_REWORK, if sd2 reworked to support
- * emmc, need to define this macro.
- */
-#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
-static iomux_v3_cfg_t const usdhc2_emmc_pads[] = {
- MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA04__USDHC2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA05__USDHC2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA06__USDHC2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA07__USDHC2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-
- /*
- * RST_B
- */
- MX6_PAD_NAND_ALE__GPIO4_IO10 | MUX_PAD_CTRL(NO_PAD_CTRL),
-};
-#else
-static iomux_v3_cfg_t const usdhc2_pads[] = {
- MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
- MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-};
-
-/*
- * The evk board uses DAT3 to detect CD card plugin,
- * in u-boot we mux the pin to GPIO when doing board_mmc_getcd.
- */
-static iomux_v3_cfg_t const usdhc2_cd_pad =
- MX6_PAD_NAND_DATA03__GPIO4_IO05 | MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL);
-
-static iomux_v3_cfg_t const usdhc2_dat3_pad =
- MX6_PAD_NAND_DATA03__USDHC2_DATA3 |
- MUX_PAD_CTRL(USDHC_DAT3_CD_PAD_CTRL);
-#endif
static void setup_iomux_uart(void)
{
}
#endif
-#ifdef CONFIG_FSL_ESDHC_IMX
-static struct fsl_esdhc_cfg usdhc_cfg[2] = {
- {USDHC1_BASE_ADDR, 0, 4},
-#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
- {USDHC2_BASE_ADDR, 0, 8},
-#else
- {USDHC2_BASE_ADDR, 0, 4},
-#endif
+#ifdef CONFIG_SPL_BUILD
+
+#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
+ PAD_CTL_PUS_22K_UP | PAD_CTL_SPEED_LOW | \
+ PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
+
+static iomux_v3_cfg_t const usdhc2_pads[] = {
+ MX6_PAD_NAND_RE_B__USDHC2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_NAND_WE_B__USDHC2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_NAND_DATA00__USDHC2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_NAND_DATA01__USDHC2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_NAND_DATA02__USDHC2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+ MX6_PAD_NAND_DATA03__USDHC2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
-#define USDHC1_CD_GPIO IMX_GPIO_NR(1, 19)
-#define USDHC1_PWR_GPIO IMX_GPIO_NR(1, 9)
-#define USDHC2_CD_GPIO IMX_GPIO_NR(4, 5)
-#define USDHC2_PWR_GPIO IMX_GPIO_NR(4, 10)
+static struct fsl_esdhc_cfg usdhc_cfg[1] = {
+ {USDHC2_BASE_ADDR, 0, 4},
+};
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 USDHC1_BASE_ADDR:
- ret = !gpio_get_value(USDHC1_CD_GPIO);
- break;
- case USDHC2_BASE_ADDR:
-#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
- ret = 1;
-#else
- imx_iomux_v3_setup_pad(usdhc2_cd_pad);
- gpio_request(USDHC2_CD_GPIO, "usdhc2 cd");
- gpio_direction_input(USDHC2_CD_GPIO);
-
- /*
- * Since it is the DAT3 pin, this pin is pulled to
- * low voltage if no card
- */
- ret = gpio_get_value(USDHC2_CD_GPIO);
-
- imx_iomux_v3_setup_pad(usdhc2_dat3_pad);
-#endif
- break;
- }
-
- return ret;
+ return 1;
}
int board_mmc_init(bd_t *bis)
{
- int i, ret;
-
- /*
- * According to the board_mmc_init() the following map is done:
- * (U-Boot device node) (Physical Port)
- * mmc0 USDHC1
- * mmc1 USDHC2
- */
- for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) {
- switch (i) {
- case 0:
- imx_iomux_v3_setup_multiple_pads(
- usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
- gpio_request(USDHC1_CD_GPIO, "usdhc1 cd");
- gpio_direction_input(USDHC1_CD_GPIO);
- usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
-
- gpio_direction_output(USDHC1_PWR_GPIO, 0);
- udelay(500);
- gpio_direction_output(USDHC1_PWR_GPIO, 1);
- break;
- case 1:
-#if defined(CONFIG_MX6UL_14X14_EVK_EMMC_REWORK)
- imx_iomux_v3_setup_multiple_pads(
- usdhc2_emmc_pads, ARRAY_SIZE(usdhc2_emmc_pads));
-#else
- imx_iomux_v3_setup_multiple_pads(
- usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
-#endif
- gpio_request(USDHC2_PWR_GPIO, "usdhc2 pwr");
- gpio_direction_output(USDHC2_PWR_GPIO, 0);
- udelay(500);
- gpio_direction_output(USDHC2_PWR_GPIO, 1);
- usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
- break;
- default:
- printf("Warning: you configured more USDHC controllers (%d) than supported by the board\n", i + 1);
- return -EINVAL;
- }
-
- ret = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
- if (ret) {
- printf("Warning: failed to initialize mmc dev %d\n", i);
- return ret;
- }
- }
- return 0;
+ imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads));
+ usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
+ return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
}
#endif
#endif
#ifdef CONFIG_FEC_MXC
-/*
- * pin conflicts for fec1 and fec2, GPIO1_IO06 and GPIO1_IO07 can only
- * be used for ENET1 or ENET2, cannot be used for both.
- */
-static iomux_v3_cfg_t const fec1_pads[] = {
- MX6_PAD_GPIO1_IO06__ENET1_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
- MX6_PAD_GPIO1_IO07__ENET1_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET1_TX_DATA0__ENET1_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET1_TX_DATA1__ENET1_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET1_TX_EN__ENET1_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
- MX6_PAD_ENET1_RX_DATA0__ENET1_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET1_RX_DATA1__ENET1_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET1_RX_ER__ENET1_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET1_RX_EN__ENET1_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
-};
-
-static iomux_v3_cfg_t const fec2_pads[] = {
- MX6_PAD_GPIO1_IO06__ENET2_MDIO | MUX_PAD_CTRL(MDIO_PAD_CTRL),
- MX6_PAD_GPIO1_IO07__ENET2_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL),
-
- MX6_PAD_ENET2_TX_DATA0__ENET2_TDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET2_TX_DATA1__ENET2_TDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET2_TX_CLK__ENET2_REF_CLK2 | MUX_PAD_CTRL(ENET_CLK_PAD_CTRL),
- MX6_PAD_ENET2_TX_EN__ENET2_TX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
-
- MX6_PAD_ENET2_RX_DATA0__ENET2_RDATA00 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET2_RX_DATA1__ENET2_RDATA01 | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET2_RX_EN__ENET2_RX_EN | MUX_PAD_CTRL(ENET_PAD_CTRL),
- MX6_PAD_ENET2_RX_ER__ENET2_RX_ER | MUX_PAD_CTRL(ENET_PAD_CTRL),
-};
-
-static void setup_iomux_fec(int fec_id)
-{
- if (fec_id == 0)
- imx_iomux_v3_setup_multiple_pads(fec1_pads,
- ARRAY_SIZE(fec1_pads));
- else
- imx_iomux_v3_setup_multiple_pads(fec2_pads,
- ARRAY_SIZE(fec2_pads));
-}
-
-int board_eth_init(bd_t *bis)
-{
- setup_iomux_fec(CONFIG_FEC_ENET_DEV);
-
- return fecmxc_initialize_multi(bis, CONFIG_FEC_ENET_DEV,
- CONFIG_FEC_MXC_PHYADDR, IMX_FEC_BASE);
-}
-
static int setup_fec(int fec_id)
{
struct iomuxc *const iomuxc_regs = (struct iomuxc *)IOMUXC_BASE_ADDR;
return 0;
}
+/*
+ * Backlight off and reset LCD before OS handover
+ */
+void board_preboot_os(void)
+{
+ gpio_set_value(IMX_GPIO_NR(1, 8), 0);
+ gpio_set_value(IMX_GPIO_NR(5, 9), 0);
+}
+
#ifdef CONFIG_SPL_BUILD
#include <linux/libfdt.h>
#include <spl.h>
projects / oweals / u-boot.git / blobdiff