]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/wandboard/wandboard.c
Merge branch 'u-boot-imx/master' into 'u-boot-arm/master'
[karo-tx-uboot.git] / board / wandboard / wandboard.c
index d95189f77de4c3573ec30c53e04fe1b083c1d2b5..43c02acfd1d95df036f85ba919d9aea8c9ed911b 100644 (file)
  */
 
 #include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
 #include <asm/arch/iomux.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/mx6-pins.h>
+#include <asm/arch/mxc_hdmi.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>
 #include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/boot_mode.h>
 #include <asm/io.h>
 #include <asm/sizes.h>
 #include <common.h>
 #include <fsl_esdhc.h>
+#include <ipu_pixfmt.h>
 #include <mmc.h>
 #include <miiphy.h>
 #include <netdev.h>
+#include <linux/fb.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |            \
-       PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
-       PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+#define UART_PAD_CTRL  (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_47K_UP  | PAD_CTL_SPEED_LOW |               \
-       PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP |                   \
+       PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm |                 \
+       PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
 
-#define ENET_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |            \
-       PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED   |             \
-       PAD_CTL_DSE_40ohm   | PAD_CTL_HYS)
+#define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                  \
+       PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
 
+#define USDHC1_CD_GPIO         IMX_GPIO_NR(1, 2)
+#define USDHC3_CD_GPIO         IMX_GPIO_NR(3, 9)
 #define ETH_PHY_RESET          IMX_GPIO_NR(3, 29)
 
 int dram_init(void)
 {
-       gd->ram_size = CONFIG_DDR_MB * SZ_1M;
+       gd->ram_size = (phys_size_t)CONFIG_DDR_MB * 1024 * 1024;
 
        return 0;
 }
@@ -52,6 +58,17 @@ static iomux_v3_cfg_t const uart1_pads[] = {
        MX6_PAD_CSI0_DAT11__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
 };
 
+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_DAT0__USDHC1_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD1_DAT1__USDHC1_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD1_DAT2__USDHC1_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD1_DAT3__USDHC1_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       /* Carrier MicroSD Card Detect */
+       MX6_PAD_GPIO_2__GPIO_1_2      | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+
 static iomux_v3_cfg_t const usdhc3_pads[] = {
        MX6_PAD_SD3_CLK__USDHC3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
        MX6_PAD_SD3_CMD__USDHC3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
@@ -59,6 +76,8 @@ static iomux_v3_cfg_t const usdhc3_pads[] = {
        MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
        MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
        MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       /* SOM MicroSD Card Detect */
+       MX6_PAD_EIM_DA9__GPIO_3_9     | MUX_PAD_CTRL(NO_PAD_CTRL),
 };
 
 static iomux_v3_cfg_t const enet_pads[] = {
@@ -96,16 +115,66 @@ static void setup_iomux_enet(void)
        gpio_set_value(ETH_PHY_RESET, 1);
 }
 
-static struct fsl_esdhc_cfg usdhc_cfg[1] = {
+static struct fsl_esdhc_cfg usdhc_cfg[2] = {
        {USDHC3_BASE_ADDR},
+       {USDHC1_BASE_ADDR},
 };
 
-int board_mmc_init(bd_t *bis)
+int board_mmc_getcd(struct mmc *mmc)
 {
-       imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+       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 USDHC3_BASE_ADDR:
+               ret = !gpio_get_value(USDHC3_CD_GPIO);
+               break;
+       }
+
+       return ret;
+}
 
-       usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
-       return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+int board_mmc_init(bd_t *bis)
+{
+       s32 status = 0;
+       u32 index = 0;
+
+       /*
+        * Following map is done:
+        * (U-boot device node)    (Physical Port)
+        * mmc0                    SOM MicroSD
+        * mmc1                    Carrier board MicroSD
+        */
+       for (index = 0; index < CONFIG_SYS_FSL_USDHC_NUM; ++index) {
+               switch (index) {
+               case 0:
+                       imx_iomux_v3_setup_multiple_pads(
+                               usdhc3_pads, ARRAY_SIZE(usdhc3_pads));
+                       usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
+                       usdhc_cfg[0].max_bus_width = 4;
+                       gpio_direction_input(USDHC3_CD_GPIO);
+                       break;
+               case 1:
+                       imx_iomux_v3_setup_multiple_pads(
+                               usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
+                       usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+                       usdhc_cfg[1].max_bus_width = 4;
+                       gpio_direction_input(USDHC1_CD_GPIO);
+                       break;
+               default:
+                       printf("Warning: you configured more USDHC controllers"
+                              "(%d) then supported by the board (%d)\n",
+                              index + 1, CONFIG_SYS_FSL_USDHC_NUM);
+                       return status;
+               }
+
+               status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+       }
+
+       return status;
 }
 
 static int mx6_rgmii_rework(struct phy_device *phydev)
@@ -141,6 +210,88 @@ int board_phy_config(struct phy_device *phydev)
        return 0;
 }
 
+#if defined(CONFIG_VIDEO_IPUV3)
+static void enable_hdmi(void)
+{
+       struct hdmi_regs *hdmi  = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
+       u8 reg;
+       reg = readb(&hdmi->phy_conf0);
+       reg |= HDMI_PHY_CONF0_PDZ_MASK;
+       writeb(reg, &hdmi->phy_conf0);
+
+       udelay(3000);
+       reg |= HDMI_PHY_CONF0_ENTMDS_MASK;
+       writeb(reg, &hdmi->phy_conf0);
+       udelay(3000);
+       reg |= HDMI_PHY_CONF0_GEN2_TXPWRON_MASK;
+       writeb(reg, &hdmi->phy_conf0);
+       writeb(HDMI_MC_PHYRSTZ_ASSERT, &hdmi->mc_phyrstz);
+}
+
+static struct fb_videomode const hdmi = {
+       .name           = "HDMI",
+       .refresh        = 60,
+       .xres           = 1024,
+       .yres           = 768,
+       .pixclock       = 15385,
+       .left_margin    = 220,
+       .right_margin   = 40,
+       .upper_margin   = 21,
+       .lower_margin   = 7,
+       .hsync_len      = 60,
+       .vsync_len      = 10,
+       .sync           = FB_SYNC_EXT,
+       .vmode          = FB_VMODE_NONINTERLACED
+};
+
+int board_video_skip(void)
+{
+       int ret;
+
+       ret = ipuv3_fb_init(&hdmi, 0, IPU_PIX_FMT_RGB24);
+
+       if (ret)
+               printf("HDMI cannot be configured: %d\n", ret);
+
+       enable_hdmi();
+
+       return ret;
+}
+
+static void setup_display(void)
+{
+       struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+       struct hdmi_regs *hdmi  = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR;
+       int reg;
+
+       /* Turn on IPU clock */
+       reg = readl(&mxc_ccm->CCGR3);
+       reg |= MXC_CCM_CCGR3_IPU1_IPU_DI0_OFFSET;
+       writel(reg, &mxc_ccm->CCGR3);
+
+       /* Turn on HDMI PHY clock */
+       reg = readl(&mxc_ccm->CCGR2);
+       reg |=  MXC_CCM_CCGR2_HDMI_TX_IAHBCLK_MASK
+               | MXC_CCM_CCGR2_HDMI_TX_ISFRCLK_MASK;
+       writel(reg, &mxc_ccm->CCGR2);
+
+       /* clear HDMI PHY reset */
+       writeb(HDMI_MC_PHYRSTZ_DEASSERT, &hdmi->mc_phyrstz);
+
+       reg = readl(&mxc_ccm->chsccdr);
+       reg &= ~(MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_MASK
+               | MXC_CCM_CHSCCDR_IPU1_DI0_PODF_MASK
+               | MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_MASK);
+       reg |= (CHSCCDR_CLK_SEL_LDB_DI0
+               << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET)
+             | (CHSCCDR_PODF_DIVIDE_BY_3
+               << MXC_CCM_CHSCCDR_IPU1_DI0_PODF_OFFSET)
+             | (CHSCCDR_IPU_PRE_CLK_540M_PFD
+               << MXC_CCM_CHSCCDR_IPU1_DI0_PRE_CLK_SEL_OFFSET);
+       writel(reg, &mxc_ccm->chsccdr);
+}
+#endif /* CONFIG_VIDEO_IPUV3 */
+
 int board_eth_init(bd_t *bis)
 {
        int ret;
@@ -157,20 +308,45 @@ int board_eth_init(bd_t *bis)
 int board_early_init_f(void)
 {
        setup_iomux_uart();
+#if defined(CONFIG_VIDEO_IPUV3)
+       setup_display();
+#endif
        return 0;
 }
 
-int board_init(void)
+/*
+ * Do not overwrite the console
+ * Use always serial for U-Boot console
+ */
+int overwrite_console(void)
 {
-       /* address of boot parameters */
-       gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+       return 1;
+}
+
+#ifdef CONFIG_CMD_BMODE
+static const struct boot_mode board_boot_modes[] = {
+       /* 4 bit bus width */
+       {"mmc0",          MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)},
+       {"mmc1",          MAKE_CFGVAL(0x40, 0x20, 0x00, 0x00)},
+       {NULL,   0},
+};
+#endif
+
+int board_late_init(void)
+{
+#ifdef CONFIG_CMD_BMODE
+       add_board_boot_modes(board_boot_modes);
+#endif
 
        return 0;
 }
 
-u32 get_board_rev(void)
+int board_init(void)
 {
-       return get_cpu_rev();
+       /* address of boot parameters */
+       gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+       return 0;
 }
 
 int checkboard(void)