| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2012 Freescale Semiconductor, Inc. |
| * |
| * Author: Fabio Estevam <fabio.estevam@freescale.com> |
| */ |
| |
| #include <image.h> |
| #include <init.h> |
| #include <asm/arch/clock.h> |
| #include <asm/arch/imx-regs.h> |
| #include <asm/arch/iomux.h> |
| #include <asm/arch/mx6-pins.h> |
| #include <asm/global_data.h> |
| #include <asm/mach-imx/spi.h> |
| #include <asm/sections.h> |
| #include <env.h> |
| #include <linux/errno.h> |
| #include <asm/gpio.h> |
| #include <asm/mach-imx/iomux-v3.h> |
| #include <asm/mach-imx/boot_mode.h> |
| #include <asm/mach-imx/video.h> |
| #include <mmc.h> |
| #include <fsl_esdhc_imx.h> |
| #include <miiphy.h> |
| #include <asm/arch/mxc_hdmi.h> |
| #include <asm/arch/crm_regs.h> |
| #include <asm/io.h> |
| #include <asm/arch/sys_proto.h> |
| #include <input.h> |
| #include <power/pmic.h> |
| #include <power/pfuze100_pmic.h> |
| #include "../common/pfuze.h" |
| #include <usb.h> |
| #include <usb/ehci-ci.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| #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_PUS_47K_UP | \ |
| PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \ |
| PAD_CTL_SRE_FAST | PAD_CTL_HYS) |
| |
| #define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ |
| PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) |
| |
| #define DISP0_PWR_EN IMX_GPIO_NR(1, 21) |
| |
| #define KEY_VOL_UP IMX_GPIO_NR(1, 4) |
| |
| int dram_init(void) |
| { |
| gd->ram_size = imx_ddr_size(); |
| return 0; |
| } |
| |
| static iomux_v3_cfg_t const uart1_pads[] = { |
| IOMUX_PADS(PAD_CSI0_DAT10__UART1_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), |
| IOMUX_PADS(PAD_CSI0_DAT11__UART1_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)), |
| }; |
| |
| static iomux_v3_cfg_t const usdhc2_pads[] = { |
| IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_NANDF_D4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_NANDF_D5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_NANDF_D6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_NANDF_D7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* CD */ |
| }; |
| |
| static iomux_v3_cfg_t const usdhc3_pads[] = { |
| IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL)), /* CD */ |
| }; |
| |
| static iomux_v3_cfg_t const usdhc4_pads[] = { |
| IOMUX_PADS(PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)), |
| }; |
| |
| static iomux_v3_cfg_t const ecspi1_pads[] = { |
| IOMUX_PADS(PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)), |
| IOMUX_PADS(PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)), |
| IOMUX_PADS(PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)), |
| IOMUX_PADS(PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| }; |
| |
| static iomux_v3_cfg_t const rgb_pads[] = { |
| IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DI0_PIN15__IPU1_DI0_PIN15 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DI0_PIN3__IPU1_DI0_PIN03 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DI0_PIN4__IPU1_DI0_PIN04 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT0__IPU1_DISP0_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT1__IPU1_DISP0_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT2__IPU1_DISP0_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT3__IPU1_DISP0_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT4__IPU1_DISP0_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT5__IPU1_DISP0_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT6__IPU1_DISP0_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT7__IPU1_DISP0_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT8__IPU1_DISP0_DATA08 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT9__IPU1_DISP0_DATA09 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT10__IPU1_DISP0_DATA10 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT11__IPU1_DISP0_DATA11 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT12__IPU1_DISP0_DATA12 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT13__IPU1_DISP0_DATA13 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT14__IPU1_DISP0_DATA14 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT15__IPU1_DISP0_DATA15 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT16__IPU1_DISP0_DATA16 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT17__IPU1_DISP0_DATA17 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT18__IPU1_DISP0_DATA18 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT19__IPU1_DISP0_DATA19 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT20__IPU1_DISP0_DATA20 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT21__IPU1_DISP0_DATA21 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT22__IPU1_DISP0_DATA22 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| IOMUX_PADS(PAD_DISP0_DAT23__IPU1_DISP0_DATA23 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| }; |
| |
| static iomux_v3_cfg_t const bl_pads[] = { |
| IOMUX_PADS(PAD_SD1_DAT3__GPIO1_IO21 | MUX_PAD_CTRL(NO_PAD_CTRL)), |
| }; |
| |
| static void enable_backlight(void) |
| { |
| SETUP_IOMUX_PADS(bl_pads); |
| gpio_request(DISP0_PWR_EN, "Display Power Enable"); |
| gpio_direction_output(DISP0_PWR_EN, 1); |
| } |
| |
| static void enable_rgb(struct display_info_t const *dev) |
| { |
| SETUP_IOMUX_PADS(rgb_pads); |
| enable_backlight(); |
| } |
| |
| static void enable_lvds(struct display_info_t const *dev) |
| { |
| enable_backlight(); |
| } |
| |
| static void setup_spi(void) |
| { |
| SETUP_IOMUX_PADS(ecspi1_pads); |
| } |
| |
| iomux_v3_cfg_t const di0_pads[] = { |
| IOMUX_PADS(PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK), /* DISP0_CLK */ |
| IOMUX_PADS(PAD_DI0_PIN2__IPU1_DI0_PIN02), /* DISP0_HSYNC */ |
| IOMUX_PADS(PAD_DI0_PIN3__IPU1_DI0_PIN03), /* DISP0_VSYNC */ |
| }; |
| |
| static void setup_iomux_uart(void) |
| { |
| SETUP_IOMUX_PADS(uart1_pads); |
| } |
| |
| #ifdef CONFIG_FSL_ESDHC_IMX |
| struct fsl_esdhc_cfg usdhc_cfg[3] = { |
| {USDHC2_BASE_ADDR}, |
| {USDHC3_BASE_ADDR}, |
| {USDHC4_BASE_ADDR}, |
| }; |
| |
| #define USDHC2_CD_GPIO IMX_GPIO_NR(2, 2) |
| #define USDHC3_CD_GPIO IMX_GPIO_NR(2, 0) |
| |
| int board_mmc_get_env_dev(int devno) |
| { |
| return devno - 1; |
| } |
| |
| int board_mmc_getcd(struct mmc *mmc) |
| { |
| struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv; |
| int ret = 0; |
| |
| switch (cfg->esdhc_base) { |
| case USDHC2_BASE_ADDR: |
| ret = !gpio_get_value(USDHC2_CD_GPIO); |
| break; |
| case USDHC3_BASE_ADDR: |
| ret = !gpio_get_value(USDHC3_CD_GPIO); |
| break; |
| case USDHC4_BASE_ADDR: |
| ret = 1; /* eMMC/uSDHC4 is always present */ |
| break; |
| } |
| |
| return ret; |
| } |
| |
| int board_mmc_init(struct bd_info *bis) |
| { |
| struct src *psrc = (struct src *)SRC_BASE_ADDR; |
| unsigned reg = readl(&psrc->sbmr1) >> 11; |
| /* |
| * Upon reading BOOT_CFG register the following map is done: |
| * Bit 11 and 12 of BOOT_CFG register can determine the current |
| * mmc port |
| * 0x1 SD1 |
| * 0x2 SD2 |
| * 0x3 SD4 |
| */ |
| |
| switch (reg & 0x3) { |
| case 0x1: |
| SETUP_IOMUX_PADS(usdhc2_pads); |
| usdhc_cfg[0].esdhc_base = USDHC2_BASE_ADDR; |
| usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); |
| gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; |
| break; |
| case 0x2: |
| SETUP_IOMUX_PADS(usdhc3_pads); |
| usdhc_cfg[0].esdhc_base = USDHC3_BASE_ADDR; |
| usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); |
| gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; |
| break; |
| case 0x3: |
| SETUP_IOMUX_PADS(usdhc4_pads); |
| usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR; |
| usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); |
| gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk; |
| break; |
| } |
| |
| return fsl_esdhc_initialize(bis, &usdhc_cfg[0]); |
| } |
| #endif |
| |
| #if defined(CONFIG_VIDEO_IPUV3) |
| static void disable_lvds(struct display_info_t const *dev) |
| { |
| struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; |
| |
| int reg = readl(&iomux->gpr[2]); |
| |
| reg &= ~(IOMUXC_GPR2_LVDS_CH0_MODE_MASK | |
| IOMUXC_GPR2_LVDS_CH1_MODE_MASK); |
| |
| writel(reg, &iomux->gpr[2]); |
| } |
| |
| static void do_enable_hdmi(struct display_info_t const *dev) |
| { |
| disable_lvds(dev); |
| imx_enable_hdmi_phy(); |
| } |
| |
| struct display_info_t const displays[] = {{ |
| .bus = -1, |
| .addr = 0, |
| .pixfmt = IPU_PIX_FMT_RGB666, |
| .detect = NULL, |
| .enable = enable_lvds, |
| .mode = { |
| .name = "Hannstar-XGA", |
| .refresh = 60, |
| .xres = 1024, |
| .yres = 768, |
| .pixclock = 15384, |
| .left_margin = 160, |
| .right_margin = 24, |
| .upper_margin = 29, |
| .lower_margin = 3, |
| .hsync_len = 136, |
| .vsync_len = 6, |
| .sync = FB_SYNC_EXT, |
| .vmode = FB_VMODE_NONINTERLACED |
| } }, { |
| .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 = 15384, |
| .left_margin = 160, |
| .right_margin = 24, |
| .upper_margin = 29, |
| .lower_margin = 3, |
| .hsync_len = 136, |
| .vsync_len = 6, |
| .sync = FB_SYNC_EXT, |
| .vmode = FB_VMODE_NONINTERLACED |
| } }, { |
| .bus = 0, |
| .addr = 0, |
| .pixfmt = IPU_PIX_FMT_RGB24, |
| .detect = NULL, |
| .enable = enable_rgb, |
| .mode = { |
| .name = "SEIKO-WVGA", |
| .refresh = 60, |
| .xres = 800, |
| .yres = 480, |
| .pixclock = 29850, |
| .left_margin = 89, |
| .right_margin = 164, |
| .upper_margin = 23, |
| .lower_margin = 10, |
| .hsync_len = 10, |
| .vsync_len = 10, |
| .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 iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; |
| int reg; |
| |
| /* Setup HSYNC, VSYNC, DISP_CLK for debugging purposes */ |
| SETUP_IOMUX_PADS(di0_pads); |
| |
| enable_ipu_clock(); |
| imx_setup_hdmi(); |
| |
| /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */ |
| reg = readl(&mxc_ccm->CCGR3); |
| reg |= MXC_CCM_CCGR3_LDB_DI0_MASK | MXC_CCM_CCGR3_LDB_DI1_MASK; |
| writel(reg, &mxc_ccm->CCGR3); |
| |
| /* set LDB0, LDB1 clk select to 011/011 */ |
| reg = readl(&mxc_ccm->cs2cdr); |
| reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK |
| | MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK); |
| reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) |
| | (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET); |
| writel(reg, &mxc_ccm->cs2cdr); |
| |
| reg = readl(&mxc_ccm->cscmr2); |
| reg |= MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV; |
| writel(reg, &mxc_ccm->cscmr2); |
| |
| reg = readl(&mxc_ccm->chsccdr); |
| reg |= (CHSCCDR_CLK_SEL_LDB_DI0 |
| << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); |
| reg |= (CHSCCDR_CLK_SEL_LDB_DI0 |
| << MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET); |
| writel(reg, &mxc_ccm->chsccdr); |
| |
| reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
| | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW |
| | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
| | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
| | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT |
| | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
| | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
| | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED |
| | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0; |
| writel(reg, &iomux->gpr[2]); |
| |
| reg = readl(&iomux->gpr[3]); |
| reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
| | IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) |
| | (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 |
| << IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET); |
| writel(reg, &iomux->gpr[3]); |
| } |
| #endif /* CONFIG_VIDEO_IPUV3 */ |
| |
| /* |
| * Do not overwrite the console |
| * Use always serial for U-Boot console |
| */ |
| int overwrite_console(void) |
| { |
| return 1; |
| } |
| |
| #ifdef CONFIG_USB_EHCI_MX6 |
| static void setup_usb(void) |
| { |
| /* |
| * set daisy chain for otg_pin_id on 6q. |
| * for 6dl, this bit is reserved |
| */ |
| imx_iomux_set_gpr_register(1, 13, 1, 0); |
| } |
| #endif |
| |
| int board_early_init_f(void) |
| { |
| setup_iomux_uart(); |
| |
| return 0; |
| } |
| |
| int board_init(void) |
| { |
| /* address of boot parameters */ |
| gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; |
| |
| #ifdef CONFIG_MXC_SPI |
| setup_spi(); |
| #endif |
| |
| #if defined(CONFIG_VIDEO_IPUV3) |
| setup_display(); |
| #endif |
| #ifdef CONFIG_USB_EHCI_MX6 |
| setup_usb(); |
| #endif |
| |
| return 0; |
| } |
| |
| int power_init_board(void) |
| { |
| struct udevice *dev; |
| unsigned int reg; |
| int ret; |
| |
| ret = pmic_get("pfuze100@8", &dev); |
| if (ret == -ENODEV) |
| return 0; |
| |
| if (ret != 0) |
| return ret; |
| |
| ret = pfuze_mode_init(dev, APS_PFM); |
| if (ret < 0) |
| return ret; |
| |
| /* Increase VGEN3 from 2.5 to 2.8V */ |
| reg = pmic_reg_read(dev, PFUZE100_VGEN3VOL); |
| reg &= ~LDO_VOL_MASK; |
| reg |= LDOB_2_80V; |
| pmic_reg_write(dev, PFUZE100_VGEN3VOL, reg); |
| |
| /* Increase VGEN5 from 2.8 to 3V */ |
| reg = pmic_reg_read(dev, PFUZE100_VGEN5VOL); |
| reg &= ~LDO_VOL_MASK; |
| reg |= LDOB_3_00V; |
| pmic_reg_write(dev, PFUZE100_VGEN5VOL, reg); |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_MXC_SPI |
| int board_spi_cs_gpio(unsigned bus, unsigned cs) |
| { |
| return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(4, 9)) : -1; |
| } |
| #endif |
| |
| #ifdef CONFIG_CMD_BMODE |
| static const struct boot_mode board_boot_modes[] = { |
| /* 4 bit bus width */ |
| {"sd2", MAKE_CFGVAL(0x40, 0x28, 0x00, 0x00)}, |
| {"sd3", MAKE_CFGVAL(0x40, 0x30, 0x00, 0x00)}, |
| /* 8 bit bus width */ |
| {"emmc", MAKE_CFGVAL(0x60, 0x58, 0x00, 0x00)}, |
| {NULL, 0}, |
| }; |
| #endif |
| |
| int board_late_init(void) |
| { |
| #ifdef CONFIG_CMD_BMODE |
| add_board_boot_modes(board_boot_modes); |
| #endif |
| |
| #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG |
| env_set("board_name", "SABRESD"); |
| |
| if (is_mx6dqp()) |
| env_set("board_rev", "MX6QP"); |
| else if (is_mx6dq()) |
| env_set("board_rev", "MX6Q"); |
| else if (is_mx6sdl()) |
| env_set("board_rev", "MX6DL"); |
| #endif |
| |
| return 0; |
| } |
| |
| #ifdef CONFIG_SPL_BUILD |
| #include <asm/arch/mx6-ddr.h> |
| #include <spl.h> |
| #include <linux/libfdt.h> |
| |
| #ifdef CONFIG_SPL_OS_BOOT |
| int spl_start_uboot(void) |
| { |
| gpio_request(KEY_VOL_UP, "KEY Volume UP"); |
| gpio_direction_input(KEY_VOL_UP); |
| |
| /* Only enter in Falcon mode if KEY_VOL_UP is pressed */ |
| return gpio_get_value(KEY_VOL_UP); |
| } |
| #endif |
| |
| static void ccgr_init(void) |
| { |
| struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; |
| |
| writel(0x00C03F3F, &ccm->CCGR0); |
| writel(0x0030FC03, &ccm->CCGR1); |
| writel(0x0FFFC000, &ccm->CCGR2); |
| writel(0x3FF00000, &ccm->CCGR3); |
| writel(0x00FFF300, &ccm->CCGR4); |
| writel(0x0F0000C3, &ccm->CCGR5); |
| writel(0x000003FF, &ccm->CCGR6); |
| } |
| |
| static int mx6q_dcd_table[] = { |
| 0x020e0798, 0x000C0000, |
| 0x020e0758, 0x00000000, |
| 0x020e0588, 0x00000030, |
| 0x020e0594, 0x00000030, |
| 0x020e056c, 0x00000030, |
| 0x020e0578, 0x00000030, |
| 0x020e074c, 0x00000030, |
| 0x020e057c, 0x00000030, |
| 0x020e058c, 0x00000000, |
| 0x020e059c, 0x00000030, |
| 0x020e05a0, 0x00000030, |
| 0x020e078c, 0x00000030, |
| 0x020e0750, 0x00020000, |
| 0x020e05a8, 0x00000030, |
| 0x020e05b0, 0x00000030, |
| 0x020e0524, 0x00000030, |
| 0x020e051c, 0x00000030, |
| 0x020e0518, 0x00000030, |
| 0x020e050c, 0x00000030, |
| 0x020e05b8, 0x00000030, |
| 0x020e05c0, 0x00000030, |
| 0x020e0774, 0x00020000, |
| 0x020e0784, 0x00000030, |
| 0x020e0788, 0x00000030, |
| 0x020e0794, 0x00000030, |
| 0x020e079c, 0x00000030, |
| 0x020e07a0, 0x00000030, |
| 0x020e07a4, 0x00000030, |
| 0x020e07a8, 0x00000030, |
| 0x020e0748, 0x00000030, |
| 0x020e05ac, 0x00000030, |
| 0x020e05b4, 0x00000030, |
| 0x020e0528, 0x00000030, |
| 0x020e0520, 0x00000030, |
| 0x020e0514, 0x00000030, |
| 0x020e0510, 0x00000030, |
| 0x020e05bc, 0x00000030, |
| 0x020e05c4, 0x00000030, |
| 0x021b0800, 0xa1390003, |
| 0x021b080c, 0x001F001F, |
| 0x021b0810, 0x001F001F, |
| 0x021b480c, 0x001F001F, |
| 0x021b4810, 0x001F001F, |
| 0x021b083c, 0x43270338, |
| 0x021b0840, 0x03200314, |
| 0x021b483c, 0x431A032F, |
| 0x021b4840, 0x03200263, |
| 0x021b0848, 0x4B434748, |
| 0x021b4848, 0x4445404C, |
| 0x021b0850, 0x38444542, |
| 0x021b4850, 0x4935493A, |
| 0x021b081c, 0x33333333, |
| 0x021b0820, 0x33333333, |
| 0x021b0824, 0x33333333, |
| 0x021b0828, 0x33333333, |
| 0x021b481c, 0x33333333, |
| 0x021b4820, 0x33333333, |
| 0x021b4824, 0x33333333, |
| 0x021b4828, 0x33333333, |
| 0x021b08b8, 0x00000800, |
| 0x021b48b8, 0x00000800, |
| 0x021b0004, 0x00020036, |
| 0x021b0008, 0x09444040, |
| 0x021b000c, 0x555A7975, |
| 0x021b0010, 0xFF538F64, |
| 0x021b0014, 0x01FF00DB, |
| 0x021b0018, 0x00001740, |
| 0x021b001c, 0x00008000, |
| 0x021b002c, 0x000026d2, |
| 0x021b0030, 0x005A1023, |
| 0x021b0040, 0x00000027, |
| 0x021b0000, 0x831A0000, |
| 0x021b001c, 0x04088032, |
| 0x021b001c, 0x00008033, |
| 0x021b001c, 0x00048031, |
| 0x021b001c, 0x09408030, |
| 0x021b001c, 0x04008040, |
| 0x021b0020, 0x00005800, |
| 0x021b0818, 0x00011117, |
| 0x021b4818, 0x00011117, |
| 0x021b0004, 0x00025576, |
| 0x021b0404, 0x00011006, |
| 0x021b001c, 0x00000000, |
| }; |
| |
| static int mx6qp_dcd_table[] = { |
| 0x020e0798, 0x000c0000, |
| 0x020e0758, 0x00000000, |
| 0x020e0588, 0x00000030, |
| 0x020e0594, 0x00000030, |
| 0x020e056c, 0x00000030, |
| 0x020e0578, 0x00000030, |
| 0x020e074c, 0x00000030, |
| 0x020e057c, 0x00000030, |
| 0x020e058c, 0x00000000, |
| 0x020e059c, 0x00000030, |
| 0x020e05a0, 0x00000030, |
| 0x020e078c, 0x00000030, |
| 0x020e0750, 0x00020000, |
| 0x020e05a8, 0x00000030, |
| 0x020e05b0, 0x00000030, |
| 0x020e0524, 0x00000030, |
| 0x020e051c, 0x00000030, |
| 0x020e0518, 0x00000030, |
| 0x020e050c, 0x00000030, |
| 0x020e05b8, 0x00000030, |
| 0x020e05c0, 0x00000030, |
| 0x020e0774, 0x00020000, |
| 0x020e0784, 0x00000030, |
| 0x020e0788, 0x00000030, |
| 0x020e0794, 0x00000030, |
| 0x020e079c, 0x00000030, |
| 0x020e07a0, 0x00000030, |
| 0x020e07a4, 0x00000030, |
| 0x020e07a8, 0x00000030, |
| 0x020e0748, 0x00000030, |
| 0x020e05ac, 0x00000030, |
| 0x020e05b4, 0x00000030, |
| 0x020e0528, 0x00000030, |
| 0x020e0520, 0x00000030, |
| 0x020e0514, 0x00000030, |
| 0x020e0510, 0x00000030, |
| 0x020e05bc, 0x00000030, |
| 0x020e05c4, 0x00000030, |
| 0x021b0800, 0xa1390003, |
| 0x021b080c, 0x001b001e, |
| 0x021b0810, 0x002e0029, |
| 0x021b480c, 0x001b002a, |
| 0x021b4810, 0x0019002c, |
| 0x021b083c, 0x43240334, |
| 0x021b0840, 0x0324031a, |
| 0x021b483c, 0x43340344, |
| 0x021b4840, 0x03280276, |
| 0x021b0848, 0x44383A3E, |
| 0x021b4848, 0x3C3C3846, |
| 0x021b0850, 0x2e303230, |
| 0x021b4850, 0x38283E34, |
| 0x021b081c, 0x33333333, |
| 0x021b0820, 0x33333333, |
| 0x021b0824, 0x33333333, |
| 0x021b0828, 0x33333333, |
| 0x021b481c, 0x33333333, |
| 0x021b4820, 0x33333333, |
| 0x021b4824, 0x33333333, |
| 0x021b4828, 0x33333333, |
| 0x021b08c0, 0x24912249, |
| 0x021b48c0, 0x24914289, |
| 0x021b08b8, 0x00000800, |
| 0x021b48b8, 0x00000800, |
| 0x021b0004, 0x00020036, |
| 0x021b0008, 0x24444040, |
| 0x021b000c, 0x555A7955, |
| 0x021b0010, 0xFF320F64, |
| 0x021b0014, 0x01ff00db, |
| 0x021b0018, 0x00001740, |
| 0x021b001c, 0x00008000, |
| 0x021b002c, 0x000026d2, |
| 0x021b0030, 0x005A1023, |
| 0x021b0040, 0x00000027, |
| 0x021b0400, 0x14420000, |
| 0x021b0000, 0x831A0000, |
| 0x021b0890, 0x00400C58, |
| 0x00bb0008, 0x00000000, |
| 0x00bb000c, 0x2891E41A, |
| 0x00bb0038, 0x00000564, |
| 0x00bb0014, 0x00000040, |
| 0x00bb0028, 0x00000020, |
| 0x00bb002c, 0x00000020, |
| 0x021b001c, 0x04088032, |
| 0x021b001c, 0x00008033, |
| 0x021b001c, 0x00048031, |
| 0x021b001c, 0x09408030, |
| 0x021b001c, 0x04008040, |
| 0x021b0020, 0x00005800, |
| 0x021b0818, 0x00011117, |
| 0x021b4818, 0x00011117, |
| 0x021b0004, 0x00025576, |
| 0x021b0404, 0x00011006, |
| 0x021b001c, 0x00000000, |
| }; |
| |
| static int mx6dl_dcd_table[] = { |
| 0x020e0774, 0x000C0000, |
| 0x020e0754, 0x00000000, |
| 0x020e04ac, 0x00000030, |
| 0x020e04b0, 0x00000030, |
| 0x020e0464, 0x00000030, |
| 0x020e0490, 0x00000030, |
| 0x020e074c, 0x00000030, |
| 0x020e0494, 0x00000030, |
| 0x020e04a0, 0x00000000, |
| 0x020e04b4, 0x00000030, |
| 0x020e04b8, 0x00000030, |
| 0x020e076c, 0x00000030, |
| 0x020e0750, 0x00020000, |
| 0x020e04bc, 0x00000030, |
| 0x020e04c0, 0x00000030, |
| 0x020e04c4, 0x00000030, |
| 0x020e04c8, 0x00000030, |
| 0x020e04cc, 0x00000030, |
| 0x020e04d0, 0x00000030, |
| 0x020e04d4, 0x00000030, |
| 0x020e04d8, 0x00000030, |
| 0x020e0760, 0x00020000, |
| 0x020e0764, 0x00000030, |
| 0x020e0770, 0x00000030, |
| 0x020e0778, 0x00000030, |
| 0x020e077c, 0x00000030, |
| 0x020e0780, 0x00000030, |
| 0x020e0784, 0x00000030, |
| 0x020e078c, 0x00000030, |
| 0x020e0748, 0x00000030, |
| 0x020e0470, 0x00000030, |
| 0x020e0474, 0x00000030, |
| 0x020e0478, 0x00000030, |
| 0x020e047c, 0x00000030, |
| 0x020e0480, 0x00000030, |
| 0x020e0484, 0x00000030, |
| 0x020e0488, 0x00000030, |
| 0x020e048c, 0x00000030, |
| 0x021b0800, 0xa1390003, |
| 0x021b080c, 0x001F001F, |
| 0x021b0810, 0x001F001F, |
| 0x021b480c, 0x001F001F, |
| 0x021b4810, 0x001F001F, |
| 0x021b083c, 0x4220021F, |
| 0x021b0840, 0x0207017E, |
| 0x021b483c, 0x4201020C, |
| 0x021b4840, 0x01660172, |
| 0x021b0848, 0x4A4D4E4D, |
| 0x021b4848, 0x4A4F5049, |
| 0x021b0850, 0x3F3C3D31, |
| 0x021b4850, 0x3238372B, |
| 0x021b081c, 0x33333333, |
| 0x021b0820, 0x33333333, |
| 0x021b0824, 0x33333333, |
| 0x021b0828, 0x33333333, |
| 0x021b481c, 0x33333333, |
| 0x021b4820, 0x33333333, |
| 0x021b4824, 0x33333333, |
| 0x021b4828, 0x33333333, |
| 0x021b08b8, 0x00000800, |
| 0x021b48b8, 0x00000800, |
| 0x021b0004, 0x0002002D, |
| 0x021b0008, 0x00333030, |
| 0x021b000c, 0x3F435313, |
| 0x021b0010, 0xB66E8B63, |
| 0x021b0014, 0x01FF00DB, |
| 0x021b0018, 0x00001740, |
| 0x021b001c, 0x00008000, |
| 0x021b002c, 0x000026d2, |
| 0x021b0030, 0x00431023, |
| 0x021b0040, 0x00000027, |
| 0x021b0000, 0x831A0000, |
| 0x021b001c, 0x04008032, |
| 0x021b001c, 0x00008033, |
| 0x021b001c, 0x00048031, |
| 0x021b001c, 0x05208030, |
| 0x021b001c, 0x04008040, |
| 0x021b0020, 0x00005800, |
| 0x021b0818, 0x00011117, |
| 0x021b4818, 0x00011117, |
| 0x021b0004, 0x0002556D, |
| 0x021b0404, 0x00011006, |
| 0x021b001c, 0x00000000, |
| }; |
| |
| static void ddr_init(int *table, int size) |
| { |
| int i; |
| |
| for (i = 0; i < size / 2 ; i++) |
| writel(table[2 * i + 1], table[2 * i]); |
| } |
| |
| static void spl_dram_init(void) |
| { |
| if (is_mx6dq()) |
| ddr_init(mx6q_dcd_table, ARRAY_SIZE(mx6q_dcd_table)); |
| else if (is_mx6dqp()) |
| ddr_init(mx6qp_dcd_table, ARRAY_SIZE(mx6qp_dcd_table)); |
| else if (is_mx6sdl()) |
| ddr_init(mx6dl_dcd_table, ARRAY_SIZE(mx6dl_dcd_table)); |
| } |
| |
| void board_init_f(ulong dummy) |
| { |
| /* DDR initialization */ |
| spl_dram_init(); |
| |
| /* setup AIPS and disable watchdog */ |
| arch_cpu_init(); |
| |
| ccgr_init(); |
| gpr_init(); |
| |
| board_early_init_f(); |
| |
| /* setup GP timer */ |
| timer_init(); |
| |
| /* UART clocks enabled and gd valid - init serial console */ |
| preloader_console_init(); |
| |
| /* Clear the BSS. */ |
| memset(__bss_start, 0, __bss_end - __bss_start); |
| |
| /* load/boot image from boot device */ |
| board_init_r(NULL, 0); |
| } |
| #endif |
| |
| #ifdef CONFIG_SPL_LOAD_FIT |
| int board_fit_config_name_match(const char *name) |
| { |
| if (is_mx6dq()) { |
| if (!strcmp(name, "imx6q-sabresd")) |
| return 0; |
| } else if (is_mx6dqp()) { |
| if (!strcmp(name, "imx6qp-sabresd")) |
| return 0; |
| } else if (is_mx6dl()) { |
| if (!strcmp(name, "imx6dl-sabresd")) |
| return 0; |
| } |
| |
| return -1; |
| } |
| #endif |