]> git.kernelconcepts.de Git - karo-tx-uboot.git/blobdiff - board/wandboard/wandboard.c
karo: merge with Ka-Ro specific tree for secure boot support
[karo-tx-uboot.git] / board / wandboard / wandboard.c
index 2b9d4baaa0b1a0f3076cb5a9d375a76a8daad173..18158806f57066aef15e1430afb6ba1def9593c4 100644 (file)
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2013 Freescale Semiconductor, Inc.
+ * Copyright (C) 2014 O.S. Systems Software LTDA.
  *
  * Author: Fabio Estevam <fabio.estevam@freescale.com>
  *
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>
 #include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/mxc_i2c.h>
 #include <asm/imx-common/boot_mode.h>
+#include <asm/imx-common/video.h>
 #include <asm/io.h>
-#include <asm/sizes.h>
+#include <linux/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>
+#include <phy.h>
+#include <input.h>
+#include <i2c.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -39,6 +43,10 @@ DECLARE_GLOBAL_DATA_PTR;
 #define ENET_PAD_CTRL  (PAD_CTL_PUS_100K_UP |                  \
        PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
 
+#define I2C_PAD_CTRL   (PAD_CTL_PUS_100K_UP |                  \
+       PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS |   \
+       PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+
 #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)
@@ -51,50 +59,50 @@ int dram_init(void)
 }
 
 static iomux_v3_cfg_t const uart1_pads[] = {
-       MX6_PAD_CSI0_DAT10__UART1_TXD | MUX_PAD_CTRL(UART_PAD_CTRL),
-       MX6_PAD_CSI0_DAT11__UART1_RXD | MUX_PAD_CTRL(UART_PAD_CTRL),
+       MX6_PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL),
+       MX6_PAD_CSI0_DAT11__UART1_RX_DATA | 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),
+static iomux_v3_cfg_t const usdhc1_pads[] = {
+       MX6_PAD_SD1_CLK__SD1_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD1_CMD__SD1_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD1_DAT0__SD1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD1_DAT1__SD1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD1_DAT2__SD1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD1_DAT3__SD1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
        /* Carrier MicroSD Card Detect */
-       MX6_PAD_GPIO_2__GPIO_1_2,
+       MX6_PAD_GPIO_2__GPIO1_IO02,
 };
 
 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),
-       MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
-       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),
+       MX6_PAD_SD3_CLK__SD3_CLK   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD3_CMD__SD3_CMD   | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+       MX6_PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
        /* SOM MicroSD Card Detect */
-       MX6_PAD_EIM_DA9__GPIO_3_9,
+       MX6_PAD_EIM_DA9__GPIO3_IO09,
 };
 
 static iomux_v3_cfg_t const enet_pads[] = {
        MX6_PAD_ENET_MDIO__ENET_MDIO            | MUX_PAD_CTRL(ENET_PAD_CTRL),
        MX6_PAD_ENET_MDC__ENET_MDC              | MUX_PAD_CTRL(ENET_PAD_CTRL),
-       MX6_PAD_RGMII_TXC__ENET_RGMII_TXC       | MUX_PAD_CTRL(ENET_PAD_CTRL),
-       MX6_PAD_RGMII_TD0__ENET_RGMII_TD0       | MUX_PAD_CTRL(ENET_PAD_CTRL),
-       MX6_PAD_RGMII_TD1__ENET_RGMII_TD1       | MUX_PAD_CTRL(ENET_PAD_CTRL),
-       MX6_PAD_RGMII_TD2__ENET_RGMII_TD2       | MUX_PAD_CTRL(ENET_PAD_CTRL),
-       MX6_PAD_RGMII_TD3__ENET_RGMII_TD3       | MUX_PAD_CTRL(ENET_PAD_CTRL),
+       MX6_PAD_RGMII_TXC__RGMII_TXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
+       MX6_PAD_RGMII_TD0__RGMII_TD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
+       MX6_PAD_RGMII_TD1__RGMII_TD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
+       MX6_PAD_RGMII_TD2__RGMII_TD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
+       MX6_PAD_RGMII_TD3__RGMII_TD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
        MX6_PAD_RGMII_TX_CTL__RGMII_TX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
        MX6_PAD_ENET_REF_CLK__ENET_TX_CLK       | MUX_PAD_CTRL(ENET_PAD_CTRL),
-       MX6_PAD_RGMII_RXC__ENET_RGMII_RXC       | MUX_PAD_CTRL(ENET_PAD_CTRL),
-       MX6_PAD_RGMII_RD0__ENET_RGMII_RD0       | MUX_PAD_CTRL(ENET_PAD_CTRL),
-       MX6_PAD_RGMII_RD1__ENET_RGMII_RD1       | MUX_PAD_CTRL(ENET_PAD_CTRL),
-       MX6_PAD_RGMII_RD2__ENET_RGMII_RD2       | MUX_PAD_CTRL(ENET_PAD_CTRL),
-       MX6_PAD_RGMII_RD3__ENET_RGMII_RD3       | MUX_PAD_CTRL(ENET_PAD_CTRL),
+       MX6_PAD_RGMII_RXC__RGMII_RXC    | MUX_PAD_CTRL(ENET_PAD_CTRL),
+       MX6_PAD_RGMII_RD0__RGMII_RD0    | MUX_PAD_CTRL(ENET_PAD_CTRL),
+       MX6_PAD_RGMII_RD1__RGMII_RD1    | MUX_PAD_CTRL(ENET_PAD_CTRL),
+       MX6_PAD_RGMII_RD2__RGMII_RD2    | MUX_PAD_CTRL(ENET_PAD_CTRL),
+       MX6_PAD_RGMII_RD3__RGMII_RD3    | MUX_PAD_CTRL(ENET_PAD_CTRL),
        MX6_PAD_RGMII_RX_CTL__RGMII_RX_CTL      | MUX_PAD_CTRL(ENET_PAD_CTRL),
        /* AR8031 PHY Reset */
-       MX6_PAD_EIM_D29__GPIO_3_29,
+       MX6_PAD_EIM_D29__GPIO3_IO29,
 };
 
 static void setup_iomux_uart(void)
@@ -136,7 +144,7 @@ int board_mmc_getcd(struct mmc *mmc)
 
 int board_mmc_init(bd_t *bis)
 {
-       s32 status = 0;
+       int ret;
        u32 index = 0;
 
        /*
@@ -165,13 +173,15 @@ int board_mmc_init(bd_t *bis)
                        printf("Warning: you configured more USDHC controllers"
                               "(%d) then supported by the board (%d)\n",
                               index + 1, CONFIG_SYS_FSL_USDHC_NUM);
-                       return status;
+                       return -EINVAL;
                }
 
-               status |= fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+               ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]);
+               if (ret)
+                       return ret;
        }
 
-       return status;
+       return 0;
 }
 
 static int mx6_rgmii_rework(struct phy_device *phydev)
@@ -208,98 +218,142 @@ int board_phy_config(struct phy_device *phydev)
 }
 
 #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);
-}
+struct i2c_pads_info i2c2_pad_info = {
+       .scl = {
+               .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL
+                       | MUX_PAD_CTRL(I2C_PAD_CTRL),
+               .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12
+                       | MUX_PAD_CTRL(I2C_PAD_CTRL),
+               .gp = IMX_GPIO_NR(4, 12)
+       },
+       .sda = {
+               .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA
+                       | MUX_PAD_CTRL(I2C_PAD_CTRL),
+               .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13
+                       | MUX_PAD_CTRL(I2C_PAD_CTRL),
+               .gp = IMX_GPIO_NR(4, 13)
+       }
+};
 
-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
+static iomux_v3_cfg_t const fwadapt_7wvga_pads[] = {
+       MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK,
+       MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, /* HSync */
+       MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, /* VSync */
+       MX6_PAD_DI0_PIN4__IPU1_DI0_PIN04
+               | MUX_PAD_CTRL(PAD_CTL_DSE_120ohm), /* Contrast */
+       MX6_PAD_DI0_PIN15__IPU1_DI0_PIN15, /* DISP0_DRDY */
+
+       MX6_PAD_DISP0_DAT0__IPU1_DISP0_DATA00,
+       MX6_PAD_DISP0_DAT1__IPU1_DISP0_DATA01,
+       MX6_PAD_DISP0_DAT2__IPU1_DISP0_DATA02,
+       MX6_PAD_DISP0_DAT3__IPU1_DISP0_DATA03,
+       MX6_PAD_DISP0_DAT4__IPU1_DISP0_DATA04,
+       MX6_PAD_DISP0_DAT5__IPU1_DISP0_DATA05,
+       MX6_PAD_DISP0_DAT6__IPU1_DISP0_DATA06,
+       MX6_PAD_DISP0_DAT7__IPU1_DISP0_DATA07,
+       MX6_PAD_DISP0_DAT8__IPU1_DISP0_DATA08,
+       MX6_PAD_DISP0_DAT9__IPU1_DISP0_DATA09,
+       MX6_PAD_DISP0_DAT10__IPU1_DISP0_DATA10,
+       MX6_PAD_DISP0_DAT11__IPU1_DISP0_DATA11,
+       MX6_PAD_DISP0_DAT12__IPU1_DISP0_DATA12,
+       MX6_PAD_DISP0_DAT13__IPU1_DISP0_DATA13,
+       MX6_PAD_DISP0_DAT14__IPU1_DISP0_DATA14,
+       MX6_PAD_DISP0_DAT15__IPU1_DISP0_DATA15,
+       MX6_PAD_DISP0_DAT16__IPU1_DISP0_DATA16,
+       MX6_PAD_DISP0_DAT17__IPU1_DISP0_DATA17,
+
+       MX6_PAD_SD4_DAT2__GPIO2_IO10, /* DISP0_BKLEN */
+       MX6_PAD_SD4_DAT3__GPIO2_IO11, /* DISP0_VDDEN */
 };
 
-int board_video_skip(void)
+static void do_enable_hdmi(struct display_info_t const *dev)
 {
-       int ret;
-
-       ret = ipuv3_fb_init(&hdmi, 0, IPU_PIX_FMT_RGB24);
+       imx_enable_hdmi_phy();
+}
 
-       if (ret)
-               printf("HDMI cannot be configured: %d\n", ret);
+static int detect_i2c(struct display_info_t const *dev)
+{
+       return (0 == i2c_set_bus_num(dev->bus)) &&
+                       (0 == i2c_probe(dev->addr));
+}
 
-       enable_hdmi();
+static void enable_fwadapt_7wvga(struct display_info_t const *dev)
+{
+       imx_iomux_v3_setup_multiple_pads(
+               fwadapt_7wvga_pads,
+               ARRAY_SIZE(fwadapt_7wvga_pads));
 
-       return ret;
+       gpio_direction_output(IMX_GPIO_NR(2, 10), 1);
+       gpio_direction_output(IMX_GPIO_NR(2, 11), 1);
 }
 
+struct display_info_t const displays[] = {{
+       .bus    = -1,
+       .addr   = 0,
+       .pixfmt = IPU_PIX_FMT_RGB24,
+       .detect = detect_hdmi,
+       .enable = do_enable_hdmi,
+       .mode   = {
+               .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
+} }, {
+       .bus    = 1,
+       .addr   = 0x10,
+       .pixfmt = IPU_PIX_FMT_RGB666,
+       .detect = detect_i2c,
+       .enable = enable_fwadapt_7wvga,
+       .mode   = {
+               .name           = "FWBADAPT-LCD-F07A-0102",
+               .refresh        = 60,
+               .xres           = 800,
+               .yres           = 480,
+               .pixclock       = 33260,
+               .left_margin    = 128,
+               .right_margin   = 128,
+               .upper_margin   = 22,
+               .lower_margin   = 22,
+               .hsync_len      = 1,
+               .vsync_len      = 1,
+               .sync           = 0,
+               .vmode          = FB_VMODE_NONINTERLACED
+} } };
+size_t display_count = ARRAY_SIZE(displays);
+
 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);
+       enable_ipu_clock();
+       imx_setup_hdmi();
 
        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);
+               << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
        writel(reg, &mxc_ccm->chsccdr);
+
+       /* Disable LCD backlight */
+       imx_iomux_v3_setup_pad(MX6_PAD_DI0_PIN4__GPIO4_IO20);
+       gpio_direction_input(IMX_GPIO_NR(4, 20));
 }
 #endif /* CONFIG_VIDEO_IPUV3 */
 
 int board_eth_init(bd_t *bis)
 {
-       int ret;
-
        setup_iomux_enet();
 
-       ret = cpu_eth_init(bis);
-       if (ret)
-               printf("FEC MXC: %s:failed\n", __func__);
-
-       return 0;
+       return cpu_eth_init(bis);
 }
 
 int board_early_init_f(void)
@@ -343,6 +397,8 @@ int board_init(void)
        /* address of boot parameters */
        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
+       setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c2_pad_info);
+
        return 0;
 }