X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Fbachmann%2Fot1200%2Fot1200.c;h=74f652e025aacd955d8e7d1948329d24b67f4a29;hb=8d3a25685e4aac7070365a2b3c53c2c81b27930f;hp=acf95cb372ac2a48c574bce6005c3bce4575f4c4;hpb=3f97af5302ee15530411232b464d255eb2ff2ffb;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/bachmann/ot1200/ot1200.c b/board/bachmann/ot1200/ot1200.c index acf95cb..74f652e 100644 --- a/board/bachmann/ot1200/ot1200.c +++ b/board/bachmann/ot1200/ot1200.c @@ -6,6 +6,7 @@ */ #include +#include #include #include #include @@ -16,6 +17,7 @@ #include #include #include +#include #include #include #include @@ -46,7 +48,7 @@ DECLARE_GLOBAL_DATA_PTR; int dram_init(void) { - gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); + gd->ram_size = imx_ddr_size(); return 0; } @@ -104,10 +106,89 @@ int board_spi_cs_gpio(unsigned bus, unsigned cs) return (bus == 2 && cs == 0) ? (IMX_GPIO_NR(1, 3)) : -1; } +static iomux_v3_cfg_t const feature_pads[] = { + /* SD card detect */ + MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(PAD_CTL_PUS_100K_DOWN), + + /* eMMC soldered? */ + MX6_PAD_GPIO_19__GPIO4_IO05 | MUX_PAD_CTRL(PAD_CTL_PUS_100K_UP), +}; + +static void setup_iomux_features(void) +{ + imx_iomux_v3_setup_multiple_pads(feature_pads, + ARRAY_SIZE(feature_pads)); +} + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) + +/* I2C2 - EEPROM */ +static struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_EIM_EB2__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_EIM_EB2__GPIO2_IO30 | PC, + .gp = IMX_GPIO_NR(2, 30) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D16__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D16__GPIO3_IO16 | PC, + .gp = IMX_GPIO_NR(3, 16) + } +}; + +/* I2C3 - IO expander */ +static struct i2c_pads_info i2c_pad_info2 = { + .scl = { + .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC, + .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC, + .gp = IMX_GPIO_NR(3, 17) + }, + .sda = { + .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC, + .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC, + .gp = IMX_GPIO_NR(3, 18) + } +}; + +static void setup_iomux_i2c(void) +{ + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); +} + +static void ccgr_init(void) +{ + struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + + writel(0x00C03F3F, &ccm->CCGR0); + writel(0x0030FC33, &ccm->CCGR1); + writel(0x0FFFC000, &ccm->CCGR2); + writel(0x3FF00000, &ccm->CCGR3); + writel(0x00FFF300, &ccm->CCGR4); + writel(0x0F0000C3, &ccm->CCGR5); + writel(0x000003FF, &ccm->CCGR6); +} + +static void gpr_init(void) +{ + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + /* enable AXI cache for VDOA/VPU/IPU */ + writel(0xF00000CF, &iomux->gpr[4]); + /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */ + writel(0x007F007F, &iomux->gpr[6]); + writel(0x007F007F, &iomux->gpr[7]); +} + int board_early_init_f(void) { + ccgr_init(); + gpr_init(); + setup_iomux_uart(); setup_iomux_spi(); + setup_iomux_i2c(); + setup_iomux_features(); return 0; } @@ -126,44 +207,71 @@ static iomux_v3_cfg_t const usdhc3_pads[] = { MX6_PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL), }; +iomux_v3_cfg_t const usdhc4_pads[] = { + MX6_PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), + MX6_PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + int board_mmc_getcd(struct mmc *mmc) { - return 1; + struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret; + + if (cfg->esdhc_base == USDHC3_BASE_ADDR) { + gpio_direction_input(IMX_GPIO_NR(4, 5)); + ret = gpio_get_value(IMX_GPIO_NR(4, 5)); + } else { + gpio_direction_input(IMX_GPIO_NR(1, 5)); + ret = !gpio_get_value(IMX_GPIO_NR(1, 5)); + } + + return ret; } -struct fsl_esdhc_cfg usdhc_cfg[] = { +struct fsl_esdhc_cfg usdhc_cfg[2] = { {USDHC3_BASE_ADDR}, + {USDHC4_BASE_ADDR}, }; int board_mmc_init(bd_t *bis) { - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); - usdhc_cfg[0].max_bus_width = 8; - - imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); - - return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); -} + int ret; + u32 index = 0; -#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) + usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); -/* I2C3 - IO expander */ -static struct i2c_pads_info i2c_pad_info2 = { - .scl = { - .i2c_mode = MX6_PAD_EIM_D17__I2C3_SCL | PC, - .gpio_mode = MX6_PAD_EIM_D17__GPIO3_IO17 | PC, - .gp = IMX_GPIO_NR(3, 17) - }, - .sda = { - .i2c_mode = MX6_PAD_EIM_D18__I2C3_SDA | PC, - .gpio_mode = MX6_PAD_EIM_D18__GPIO3_IO18 | PC, - .gp = IMX_GPIO_NR(3, 18) + usdhc_cfg[0].max_bus_width = 8; + usdhc_cfg[1].max_bus_width = 4; + + 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)); + break; + case 1: + imx_iomux_v3_setup_multiple_pads( + usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); + 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 -EINVAL; + } + + ret = fsl_esdhc_initialize(bis, &usdhc_cfg[index]); + if (ret) + return ret; } -}; -static iomux_v3_cfg_t const pwm_pad[] = { - MX6_PAD_SD1_CMD__PWM4_OUT | MUX_PAD_CTRL(OUTPUT_40OHM), -}; + return 0; +} static void leds_on(void) { @@ -193,13 +301,13 @@ int board_eth_init(bd_t *bis) bus = fec_get_miibus(base, -1); if (!bus) - return 0; + return -EINVAL; /* scan phy 0 and 5 */ phydev = phy_find_by_mask(bus, 0x21, PHY_INTERFACE_MODE_RGMII); if (!phydev) { - free(bus); - return 0; + ret = -EINVAL; + goto free_bus; } /* depending on the phy address we can detect our board version */ @@ -210,12 +318,16 @@ int board_eth_init(bd_t *bis) printf("using phy at %d\n", phydev->addr); ret = fec_probe(bis, -1, base, bus, phydev); - if (ret) { - printf("FEC MXC: %s:failed\n", __func__); - free(phydev); - free(bus); - } + if (ret) + goto free_phydev; + return 0; + +free_phydev: + free(phydev); +free_bus: + free(bus); + return ret; } int board_init(void) @@ -224,14 +336,9 @@ int board_init(void) backlight_lcd_off(); - setup_i2c(2, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info2); - leds_on(); - /* enable ecspi3 clocks */ - enable_cspi_clock(1, 2); - -#ifdef CONFIG_CMD_SATA +#ifdef CONFIG_SATA setup_sata(); #endif