Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'

[karo-tx-uboot.git] / board / freescale / mx25pdk / mx25pdk.c

diff --git a/board/freescale/mx25pdk/mx25pdk.c b/board/freescale/mx25pdk/mx25pdk.c
index 4a8352fb3d28c16e3371c3cc5879955e073fa3cf..5e6047f83497de6673e78f4821bd1f7d32a18f36 100644 (file)
--- a/board/freescale/mx25pdk/mx25pdk.c
+++ b/board/freescale/mx25pdk/mx25pdk.c
@@ -19,12 +19,80 @@
 
 #include <common.h>
 #include <asm/io.h>
+#include <asm/gpio.h>
 #include <asm/arch/imx-regs.h>
-#include <asm/arch/imx25-pinmux.h>
-#include <asm/arch/sys_proto.h>
+#include <asm/arch/iomux-mx25.h>
+#include <asm/arch/clock.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <i2c.h>
+#include <power/pmic.h>
+#include <fsl_pmic.h>
+#include <mc34704.h>
+
+#define FEC_RESET_B            IMX_GPIO_NR(4, 8)
+#define FEC_ENABLE_B           IMX_GPIO_NR(2, 3)
+#define CARD_DETECT            IMX_GPIO_NR(2, 1)
 
 DECLARE_GLOBAL_DATA_PTR;
 
+#ifdef CONFIG_FSL_ESDHC
+struct fsl_esdhc_cfg esdhc_cfg[1] = {
+       {IMX_MMC_SDHC1_BASE},
+};
+#endif
+
+/*
+ * FIXME: need to revisit this
+ * The original code enabled PUE and 100-k pull-down without PKE, so the right
+ * value here is likely:
+ *     0 for no pull
+ * or:
+ *     PAD_CTL_PUS_100K_DOWN for 100-k pull-down
+ */
+#define FEC_OUT_PAD_CTRL       0
+
+#define I2C_PAD_CTRL           (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | \
+                                PAD_CTL_ODE)
+
+static void mx25pdk_fec_init(void)
+{
+       static const iomux_v3_cfg_t fec_pads[] = {
+               MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
+               MX25_PAD_FEC_RX_DV__FEC_RX_DV,
+               MX25_PAD_FEC_RDATA0__FEC_RDATA0,
+               NEW_PAD_CTRL(MX25_PAD_FEC_TDATA0__FEC_TDATA0, FEC_OUT_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_FEC_TX_EN__FEC_TX_EN, FEC_OUT_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_FEC_MDC__FEC_MDC, FEC_OUT_PAD_CTRL),
+               MX25_PAD_FEC_MDIO__FEC_MDIO,
+               MX25_PAD_FEC_RDATA1__FEC_RDATA1,
+               NEW_PAD_CTRL(MX25_PAD_FEC_TDATA1__FEC_TDATA1, FEC_OUT_PAD_CTRL),
+
+               NEW_PAD_CTRL(MX25_PAD_D12__GPIO_4_8, 0), /* FEC_RESET_B */
+               NEW_PAD_CTRL(MX25_PAD_A17__GPIO_2_3, 0), /* FEC_ENABLE_B */
+       };
+
+       static const iomux_v3_cfg_t i2c_pads[] = {
+               NEW_PAD_CTRL(MX25_PAD_I2C1_CLK__I2C1_CLK, I2C_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_I2C1_DAT__I2C1_DAT, I2C_PAD_CTRL),
+       };
+
+       imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
+
+       /* Assert RESET and ENABLE low */
+       gpio_direction_output(FEC_RESET_B, 0);
+       gpio_direction_output(FEC_ENABLE_B, 0);
+
+       udelay(10);
+
+       /* Deassert RESET and ENABLE */
+       gpio_set_value(FEC_RESET_B, 1);
+       gpio_set_value(FEC_ENABLE_B, 1);
+
+       /* Setup I2C pins so that PMIC can turn on PHY supply */
+       imx_iomux_v3_setup_multiple_pads(i2c_pads, ARRAY_SIZE(i2c_pads));
+}
+
 int dram_init(void)
 {
        /* dram_init must store complete ramsize in gd->ram_size */
@@ -33,9 +101,35 @@ int dram_init(void)
        return 0;
 }
 
+/*
+ * Set up input pins with hysteresis and 100-k pull-ups
+ */
+#define UART1_IN_PAD_CTRL      (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP)
+/*
+ * FIXME: need to revisit this
+ * The original code enabled PUE and 100-k pull-down without PKE, so the right
+ * value here is likely:
+ *     0 for no pull
+ * or:
+ *     PAD_CTL_PUS_100K_DOWN for 100-k pull-down
+ */
+#define UART1_OUT_PAD_CTRL     0
+
+static void mx25pdk_uart1_init(void)
+{
+       static const iomux_v3_cfg_t uart1_pads[] = {
+               NEW_PAD_CTRL(MX25_PAD_UART1_RXD__UART1_RXD, UART1_IN_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_UART1_TXD__UART1_TXD, UART1_OUT_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_UART1_RTS__UART1_RTS, UART1_OUT_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_UART1_CTS__UART1_CTS, UART1_IN_PAD_CTRL),
+       };
+
+       imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
+}
+
 int board_early_init_f(void)
 {
-       mx25_uart1_init_pins();
+       mx25pdk_uart1_init();
 
        return 0;
 }
@@ -48,6 +142,55 @@ int board_init(void)
        return 0;
 }
 
+int board_late_init(void)
+{
+       struct pmic *p;
+       int ret;
+
+       mx25pdk_fec_init();
+
+       ret = pmic_init(I2C_PMIC);
+       if (ret)
+               return ret;
+
+       p = pmic_get("FSL_PMIC");
+       if (!p)
+               return -ENODEV;
+
+       /* Turn on Ethernet PHY supply */
+       pmic_reg_write(p, MC34704_GENERAL2_REG, ONOFFE);
+
+       return 0;
+}
+
+#ifdef CONFIG_FSL_ESDHC
+int board_mmc_getcd(struct mmc *mmc)
+{
+       /* Set up the Card Detect pin. */
+       imx_iomux_v3_setup_pad(NEW_PAD_CTRL(MX25_PAD_A15__GPIO_2_1, 0));
+
+       gpio_direction_input(CARD_DETECT);
+       return !gpio_get_value(CARD_DETECT);
+}
+
+int board_mmc_init(bd_t *bis)
+{
+       static const iomux_v3_cfg_t sdhc1_pads[] = {
+               NEW_PAD_CTRL(MX25_PAD_SD1_CMD__SD1_CMD, NO_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_SD1_CLK__SD1_CLK, NO_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_SD1_DATA0__SD1_DATA0, NO_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_SD1_DATA1__SD1_DATA1, NO_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_SD1_DATA2__SD1_DATA2, NO_PAD_CTRL),
+               NEW_PAD_CTRL(MX25_PAD_SD1_DATA3__SD1_DATA3, NO_PAD_CTRL),
+       };
+
+       imx_iomux_v3_setup_multiple_pads(sdhc1_pads, ARRAY_SIZE(sdhc1_pads));
+
+       esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC1_CLK);
+       return fsl_esdhc_initialize(bis, &esdhc_cfg[0]);
+}
+#endif
+
 int checkboard(void)
 {
        puts("Board: MX25PDK\n");