Merge branch 'master' of git://git.denx.de/u-boot

[oweals/u-boot.git] / board / freescale / mx25pdk / mx25pdk.c

diff --git a/board/freescale/mx25pdk/mx25pdk.c b/board/freescale/mx25pdk/mx25pdk.c
index 9bf2d48b36927e2ffbf06e5dbce762c94c79db8e..d73e27e5405ba24b1522bc7e998df5a777b02a8a 100644 (file)
--- a/board/freescale/mx25pdk/mx25pdk.c
+++ b/board/freescale/mx25pdk/mx25pdk.c
@@ -26,7 +26,13 @@
 #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(2, 3)
+#define FEC_ENABLE_B           IMX_GPIO_NR(4, 8)
 #define CARD_DETECT            IMX_GPIO_NR(2, 1)
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -37,6 +43,47 @@ struct fsl_esdhc_cfg esdhc_cfg[1] = {
 };
 #endif
 
+static void mx25pdk_fec_init(void)
+{
+       struct iomuxc_mux_ctl *muxctl;
+       struct iomuxc_pad_ctl *padctl;
+       u32 gpio_mux_mode = MX25_PIN_MUX_MODE(5);
+       u32 gpio_mux_mode0_sion = MX25_PIN_MUX_MODE(0) | MX25_PIN_MUX_SION;
+
+       /* FEC pin init is generic */
+       mx25_fec_init_pins();
+
+       muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
+       padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE;
+       /*
+        * Set up FEC_RESET_B and FEC_ENABLE_B
+        *
+        * FEC_RESET_B: gpio2_3 is ALT 5 mode of pin D12
+        * FEC_ENABLE_B: gpio4_8 is ALT 5 mode of pin A17
+        */
+       writel(gpio_mux_mode, &muxctl->pad_d12);
+       writel(gpio_mux_mode, &muxctl->pad_a17);
+
+       writel(0x0, &padctl->pad_d12);
+       writel(0x0, &padctl->pad_a17);
+
+       /* 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 */
+       writel(gpio_mux_mode0_sion, &muxctl->pad_i2c1_clk);
+       writel(gpio_mux_mode0_sion, &muxctl->pad_i2c1_dat);
+       writel(0x1E8, &padctl->pad_i2c1_clk);
+       writel(0x1E8, &padctl->pad_i2c1_dat);
+}
+
 int dram_init(void)
 {
        /* dram_init must store complete ramsize in gd->ram_size */
@@ -60,6 +107,27 @@ 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)
 {