X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Ffreescale%2Fmx51evk%2Fmx51evk.c;h=d1ef431895a0786f72eb4ae42413202ee9200e97;hb=178d0cc1a4c73c3341afbeb2a93b172de8c96bd1;hp=8da1ee8b1aa15c016b41d2dae6ab041254140d69;hpb=1fed668b3fb9c35932f58af00ff5539239fa4e1d;p=platform%2Fkernel%2Fu-boot.git diff --git a/board/freescale/mx51evk/mx51evk.c b/board/freescale/mx51evk/mx51evk.c index 8da1ee8..d1ef431 100644 --- a/board/freescale/mx51evk/mx51evk.c +++ b/board/freescale/mx51evk/mx51evk.c @@ -29,28 +29,25 @@ #include #include #include +#include +#include #include #include #include +#include #include #include +#include DECLARE_GLOBAL_DATA_PTR; -static u32 system_rev; - #ifdef CONFIG_FSL_ESDHC struct fsl_esdhc_cfg esdhc_cfg[2] = { - {MMC_SDHC1_BASE_ADDR, 1}, - {MMC_SDHC2_BASE_ADDR, 1}, + {MMC_SDHC1_BASE_ADDR}, + {MMC_SDHC2_BASE_ADDR}, }; #endif -u32 get_board_rev(void) -{ - return system_rev; -} - int dram_init(void) { /* dram_init must store complete ramsize in gd->ram_size */ @@ -59,6 +56,14 @@ int dram_init(void) return 0; } +u32 get_board_rev(void) +{ + u32 rev = get_cpu_rev(); + if (!gpio_get_value(IMX_GPIO_NR(1, 22))) + rev |= BOARD_REV_2_0 << BOARD_VER_OFFSET; + return rev; +} + static void setup_iomux_uart(void) { unsigned int pad = PAD_CTL_HYS_ENABLE | PAD_CTL_PKE_ENABLE | @@ -178,38 +183,107 @@ static void setup_iomux_spi(void) } #endif +#ifdef CONFIG_USB_EHCI_MX5 +#define MX51EVK_USBH1_HUB_RST IOMUX_TO_GPIO(MX51_PIN_GPIO1_7) /* GPIO1_7 */ +#define MX51EVK_USBH1_STP IOMUX_TO_GPIO(MX51_PIN_USBH1_STP) /* GPIO1_27 */ +#define MX51EVK_USB_CLK_EN_B IOMUX_TO_GPIO(MX51_PIN_EIM_D18) /* GPIO2_1 */ +#define MX51EVK_USB_PHY_RESET IOMUX_TO_GPIO(MX51_PIN_EIM_D21) /* GPIO2_5 */ + +#define USBH1_PAD (PAD_CTL_SRE_FAST | PAD_CTL_DRV_HIGH | \ + PAD_CTL_100K_PU | PAD_CTL_PUE_PULL | \ + PAD_CTL_PKE_ENABLE | PAD_CTL_HYS_ENABLE) +#define GPIO_PAD (PAD_CTL_DRV_HIGH | PAD_CTL_PKE_ENABLE | \ + PAD_CTL_SRE_FAST) +#define NO_PAD (1 << 16) + +static void setup_usb_h1(void) +{ + setup_iomux_usb_h1(); + + /* GPIO_1_7 for USBH1 hub reset */ + mxc_request_iomux(MX51_PIN_GPIO1_7, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX51_PIN_GPIO1_7, NO_PAD); + + /* GPIO_2_1 */ + mxc_request_iomux(MX51_PIN_EIM_D17, IOMUX_CONFIG_ALT1); + mxc_iomux_set_pad(MX51_PIN_EIM_D17, GPIO_PAD); + + /* GPIO_2_5 for USB PHY reset */ + mxc_request_iomux(MX51_PIN_EIM_D21, IOMUX_CONFIG_ALT1); + mxc_iomux_set_pad(MX51_PIN_EIM_D21, GPIO_PAD); +} + +int board_ehci_hcd_init(int port) +{ + /* Set USBH1_STP to GPIO and toggle it */ + mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_GPIO); + mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD); + + gpio_direction_output(MX51EVK_USBH1_STP, 0); + gpio_direction_output(MX51EVK_USB_PHY_RESET, 0); + mdelay(10); + gpio_set_value(MX51EVK_USBH1_STP, 1); + + /* Set back USBH1_STP to be function */ + mxc_request_iomux(MX51_PIN_USBH1_STP, IOMUX_CONFIG_ALT0); + mxc_iomux_set_pad(MX51_PIN_USBH1_STP, USBH1_PAD); + + /* De-assert USB PHY RESETB */ + gpio_set_value(MX51EVK_USB_PHY_RESET, 1); + + /* Drive USB_CLK_EN_B line low */ + gpio_direction_output(MX51EVK_USB_CLK_EN_B, 0); + + /* Reset USB hub */ + gpio_direction_output(MX51EVK_USBH1_HUB_RST, 0); + mdelay(2); + gpio_set_value(MX51EVK_USBH1_HUB_RST, 1); + return 0; +} +#endif + static void power_init(void) { unsigned int val; struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE; + struct pmic *p; + int ret; + + ret = pmic_init(I2C_PMIC); + if (ret) + return; + + p = pmic_get("FSL_PMIC"); + if (!p) + return; /* Write needed to Power Gate 2 register */ - val = pmic_reg_read(REG_POWER_MISC); + pmic_reg_read(p, REG_POWER_MISC, &val); val &= ~PWGT2SPIEN; - pmic_reg_write(REG_POWER_MISC, val); + pmic_reg_write(p, REG_POWER_MISC, val); /* Externally powered */ - val = pmic_reg_read(REG_CHARGE); + pmic_reg_read(p, REG_CHARGE, &val); val |= ICHRG0 | ICHRG1 | ICHRG2 | ICHRG3 | CHGAUTOB; - pmic_reg_write(REG_CHARGE, val); + pmic_reg_write(p, REG_CHARGE, val); /* power up the system first */ - pmic_reg_write(REG_POWER_MISC, PWUP); + pmic_reg_write(p, REG_POWER_MISC, PWUP); /* Set core voltage to 1.1V */ - val = pmic_reg_read(REG_SW_0); + pmic_reg_read(p, REG_SW_0, &val); val = (val & ~SWx_VOLT_MASK) | SWx_1_100V; - pmic_reg_write(REG_SW_0, val); + pmic_reg_write(p, REG_SW_0, val); /* Setup VCC (SW2) to 1.25 */ - val = pmic_reg_read(REG_SW_1); + pmic_reg_read(p, REG_SW_1, &val); val = (val & ~SWx_VOLT_MASK) | SWx_1_250V; - pmic_reg_write(REG_SW_1, val); + pmic_reg_write(p, REG_SW_1, val); /* Setup 1V2_DIG1 (SW3) to 1.25 */ - val = pmic_reg_read(REG_SW_2); + pmic_reg_read(p, REG_SW_2, &val); val = (val & ~SWx_VOLT_MASK) | SWx_1_250V; - pmic_reg_write(REG_SW_2, val); + pmic_reg_write(p, REG_SW_2, val); udelay(50); /* Raise the core frequency to 800MHz */ @@ -217,64 +291,68 @@ static void power_init(void) /* Set switchers in Auto in NORMAL mode & STANDBY mode */ /* Setup the switcher mode for SW1 & SW2*/ - val = pmic_reg_read(REG_SW_4); + pmic_reg_read(p, REG_SW_4, &val); val = (val & ~((SWMODE_MASK << SWMODE1_SHIFT) | (SWMODE_MASK << SWMODE2_SHIFT))); val |= (SWMODE_AUTO_AUTO << SWMODE1_SHIFT) | (SWMODE_AUTO_AUTO << SWMODE2_SHIFT); - pmic_reg_write(REG_SW_4, val); + pmic_reg_write(p, REG_SW_4, val); /* Setup the switcher mode for SW3 & SW4 */ - val = pmic_reg_read(REG_SW_5); + pmic_reg_read(p, REG_SW_5, &val); val = (val & ~((SWMODE_MASK << SWMODE3_SHIFT) | (SWMODE_MASK << SWMODE4_SHIFT))); val |= (SWMODE_AUTO_AUTO << SWMODE3_SHIFT) | (SWMODE_AUTO_AUTO << SWMODE4_SHIFT); - pmic_reg_write(REG_SW_5, val); + pmic_reg_write(p, REG_SW_5, val); /* Set VDIG to 1.65V, VGEN3 to 1.8V, VCAM to 2.6V */ - val = pmic_reg_read(REG_SETTING_0); + pmic_reg_read(p, REG_SETTING_0, &val); val &= ~(VCAM_MASK | VGEN3_MASK | VDIG_MASK); val |= VDIG_1_65 | VGEN3_1_8 | VCAM_2_6; - pmic_reg_write(REG_SETTING_0, val); + pmic_reg_write(p, REG_SETTING_0, val); /* Set VVIDEO to 2.775V, VAUDIO to 3V, VSD to 3.15V */ - val = pmic_reg_read(REG_SETTING_1); + pmic_reg_read(p, REG_SETTING_1, &val); val &= ~(VVIDEO_MASK | VSD_MASK | VAUDIO_MASK); val |= VSD_3_15 | VAUDIO_3_0 | VVIDEO_2_775; - pmic_reg_write(REG_SETTING_1, val); + pmic_reg_write(p, REG_SETTING_1, val); /* Configure VGEN3 and VCAM regulators to use external PNP */ val = VGEN3CONFIG | VCAMCONFIG; - pmic_reg_write(REG_MODE_1, val); + pmic_reg_write(p, REG_MODE_1, val); udelay(200); - gpio_direction_output(46, 0); - - /* Reset the ethernet controller over GPIO */ - writel(0x1, IOMUXC_BASE_ADDR + 0x0AC); - /* Enable VGEN3, VCAM, VAUDIO, VVIDEO, VSD regulators */ val = VGEN3EN | VGEN3CONFIG | VCAMEN | VCAMCONFIG | VVIDEOEN | VAUDIOEN | VSDEN; - pmic_reg_write(REG_MODE_1, val); + pmic_reg_write(p, REG_MODE_1, val); + + mxc_request_iomux(MX51_PIN_EIM_A20, IOMUX_CONFIG_ALT1); + gpio_direction_output(IMX_GPIO_NR(2, 14), 0); udelay(500); - gpio_set_value(46, 1); + gpio_set_value(IMX_GPIO_NR(2, 14), 1); } #ifdef CONFIG_FSL_ESDHC -int board_mmc_getcd(u8 *cd, struct mmc *mmc) +int board_mmc_getcd(struct mmc *mmc) { struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; + int ret; + + mxc_request_iomux(MX51_PIN_GPIO1_0, IOMUX_CONFIG_ALT1); + gpio_direction_input(IMX_GPIO_NR(1, 0)); + mxc_request_iomux(MX51_PIN_GPIO1_6, IOMUX_CONFIG_ALT0); + gpio_direction_input(IMX_GPIO_NR(1, 6)); if (cfg->esdhc_base == MMC_SDHC1_BASE_ADDR) - *cd = gpio_get_value(0); + ret = !gpio_get_value(IMX_GPIO_NR(1, 0)); else - *cd = gpio_get_value(6); + ret = !gpio_get_value(IMX_GPIO_NR(1, 6)); - return 0; + return ret; } int board_mmc_init(bd_t *bis) @@ -282,6 +360,9 @@ int board_mmc_init(bd_t *bis) u32 index; s32 status = 0; + esdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); + esdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); + for (index = 0; index < CONFIG_SYS_FSL_ESDHC_NUM; index++) { switch (index) { @@ -395,31 +476,45 @@ int board_early_init_f(void) { setup_iomux_uart(); setup_iomux_fec(); +#ifdef CONFIG_USB_EHCI_MX5 + setup_usb_h1(); +#endif + setup_iomux_lcd(); return 0; } int board_init(void) { - system_rev = get_cpu_rev(); - /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + lcd_enable(); + return 0; } -#ifdef BOARD_LATE_INIT +#ifdef CONFIG_BOARD_LATE_INIT int board_late_init(void) { #ifdef CONFIG_MXC_SPI setup_iomux_spi(); power_init(); #endif + return 0; } #endif +/* + * Do not overwrite the console + * Use always serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} + int checkboard(void) { puts("Board: MX51EVK\n");