diff options
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/mx6sabresd/mx6sabresd.c')
-rw-r--r-- | qemu/roms/u-boot/board/freescale/mx6sabresd/mx6sabresd.c | 518 |
1 files changed, 0 insertions, 518 deletions
diff --git a/qemu/roms/u-boot/board/freescale/mx6sabresd/mx6sabresd.c b/qemu/roms/u-boot/board/freescale/mx6sabresd/mx6sabresd.c deleted file mode 100644 index d7d932eeb..000000000 --- a/qemu/roms/u-boot/board/freescale/mx6sabresd/mx6sabresd.c +++ /dev/null @@ -1,518 +0,0 @@ -/* - * Copyright (C) 2012 Freescale Semiconductor, Inc. - * - * Author: Fabio Estevam <fabio.estevam@freescale.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm/arch/clock.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/iomux.h> -#include <asm/arch/mx6-pins.h> -#include <asm/errno.h> -#include <asm/gpio.h> -#include <asm/imx-common/iomux-v3.h> -#include <asm/imx-common/boot_mode.h> -#include <mmc.h> -#include <fsl_esdhc.h> -#include <miiphy.h> -#include <netdev.h> -#include <asm/arch/mxc_hdmi.h> -#include <asm/arch/crm_regs.h> -#include <linux/fb.h> -#include <ipu_pixfmt.h> -#include <asm/io.h> -#include <asm/arch/sys_proto.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 ENET_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ - PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | PAD_CTL_HYS) - -#define SPI_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_SPEED_MED | \ - PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST) - -int dram_init(void) -{ - gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); - - return 0; -} - -iomux_v3_cfg_t const uart1_pads[] = { - 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 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__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__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_ENET_CRS_DV__GPIO1_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL), -}; - -static void setup_iomux_enet(void) -{ - imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); - - /* Reset AR8031 PHY */ - gpio_direction_output(IMX_GPIO_NR(1, 25) , 0); - udelay(500); - gpio_set_value(IMX_GPIO_NR(1, 25), 1); -} - -iomux_v3_cfg_t const usdhc2_pads[] = { - MX6_PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NANDF_D4__SD2_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NANDF_D5__SD2_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NANDF_D6__SD2_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NANDF_D7__SD2_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NANDF_D2__GPIO2_IO02 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ -}; - -iomux_v3_cfg_t const usdhc3_pads[] = { - 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), - MX6_PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_NANDF_D0__GPIO2_IO00 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ -}; - -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), - MX6_PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL), - MX6_PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL), -}; - -iomux_v3_cfg_t const ecspi1_pads[] = { - MX6_PAD_KEY_COL0__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL), - MX6_PAD_KEY_COL1__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL), - MX6_PAD_KEY_ROW0__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL), - MX6_PAD_KEY_ROW1__GPIO4_IO09 | MUX_PAD_CTRL(NO_PAD_CTRL), -}; - -static void setup_spi(void) -{ - imx_iomux_v3_setup_multiple_pads(ecspi1_pads, ARRAY_SIZE(ecspi1_pads)); -} - -iomux_v3_cfg_t const pcie_pads[] = { - MX6_PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), /* POWER */ - MX6_PAD_GPIO_17__GPIO7_IO12 | MUX_PAD_CTRL(NO_PAD_CTRL), /* RESET */ -}; - -static void setup_pcie(void) -{ - imx_iomux_v3_setup_multiple_pads(pcie_pads, ARRAY_SIZE(pcie_pads)); -} - -iomux_v3_cfg_t const di0_pads[] = { - MX6_PAD_DI0_DISP_CLK__IPU1_DI0_DISP_CLK, /* DISP0_CLK */ - MX6_PAD_DI0_PIN2__IPU1_DI0_PIN02, /* DISP0_HSYNC */ - MX6_PAD_DI0_PIN3__IPU1_DI0_PIN03, /* DISP0_VSYNC */ -}; - -static void setup_iomux_uart(void) -{ - imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads)); -} - -#ifdef CONFIG_FSL_ESDHC -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_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(bd_t *bis) -{ - s32 status = 0; - int i; - - /* - * According to the board_mmc_init() the following map is done: - * (U-boot device node) (Physical Port) - * mmc0 SD2 - * mmc1 SD3 - * mmc2 eMMC - */ - for (i = 0; i < CONFIG_SYS_FSL_USDHC_NUM; i++) { - switch (i) { - case 0: - imx_iomux_v3_setup_multiple_pads( - usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); - gpio_direction_input(USDHC2_CD_GPIO); - usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); - break; - case 1: - imx_iomux_v3_setup_multiple_pads( - usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); - gpio_direction_input(USDHC3_CD_GPIO); - usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); - break; - case 2: - imx_iomux_v3_setup_multiple_pads( - usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); - usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); - break; - default: - printf("Warning: you configured more USDHC controllers" - "(%d) then supported by the board (%d)\n", - i + 1, CONFIG_SYS_FSL_USDHC_NUM); - return status; - } - - status |= fsl_esdhc_initialize(bis, &usdhc_cfg[i]); - } - - return status; -} -#endif - -int mx6_rgmii_rework(struct phy_device *phydev) -{ - unsigned short val; - - /* To enable AR8031 ouput a 125MHz clk from CLK_25M */ - phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x7); - phy_write(phydev, MDIO_DEVAD_NONE, 0xe, 0x8016); - phy_write(phydev, MDIO_DEVAD_NONE, 0xd, 0x4007); - - val = phy_read(phydev, MDIO_DEVAD_NONE, 0xe); - val &= 0xffe3; - val |= 0x18; - phy_write(phydev, MDIO_DEVAD_NONE, 0xe, val); - - /* introduce tx clock delay */ - phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5); - val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e); - val |= 0x0100; - phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val); - - return 0; -} - -int board_phy_config(struct phy_device *phydev) -{ - mx6_rgmii_rework(phydev); - - if (phydev->drv->config) - phydev->drv->config(phydev); - - return 0; -} - -#if defined(CONFIG_VIDEO_IPUV3) -struct display_info_t { - int bus; - int addr; - int pixfmt; - int (*detect)(struct display_info_t const *dev); - void (*enable)(struct display_info_t const *dev); - struct fb_videomode mode; -}; - -static int detect_hdmi(struct display_info_t const *dev) -{ - struct hdmi_regs *hdmi = (struct hdmi_regs *)HDMI_ARB_BASE_ADDR; - return readb(&hdmi->phy_stat0) & HDMI_DVI_STAT; -} - - -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(); -} - -static void enable_lvds(struct display_info_t const *dev) -{ - struct iomuxc *iomux = (struct iomuxc *) - IOMUXC_BASE_ADDR; - u32 reg = readl(&iomux->gpr[2]); - reg |= IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT | - IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT; - writel(reg, &iomux->gpr[2]); -} - -static 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 = 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 = 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 -} } }; - -int board_video_skip(void) -{ - int i; - int ret; - char const *panel = getenv("panel"); - if (!panel) { - for (i = 0; i < ARRAY_SIZE(displays); i++) { - struct display_info_t const *dev = displays+i; - if (dev->detect && dev->detect(dev)) { - panel = dev->mode.name; - printf("auto-detected panel %s\n", panel); - break; - } - } - if (!panel) { - panel = displays[0].mode.name; - printf("No panel detected: default to %s\n", panel); - i = 0; - } - } else { - for (i = 0; i < ARRAY_SIZE(displays); i++) { - if (!strcmp(panel, displays[i].mode.name)) - break; - } - } - if (i < ARRAY_SIZE(displays)) { - ret = ipuv3_fb_init(&displays[i].mode, 0, - displays[i].pixfmt); - if (!ret) { - displays[i].enable(displays+i); - printf("Display: %s (%ux%u)\n", - displays[i].mode.name, - displays[i].mode.xres, - displays[i].mode.yres); - } else - printf("LCD %s cannot be configured: %d\n", - displays[i].mode.name, ret); - } else { - printf("unsupported panel %s\n", panel); - return -EINVAL; - } - - return 0; -} - -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 */ - imx_iomux_v3_setup_multiple_pads(di0_pads, ARRAY_SIZE(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; -} - -int board_eth_init(bd_t *bis) -{ - setup_iomux_enet(); - setup_pcie(); - - return cpu_eth_init(bis); -} - -int board_early_init_f(void) -{ - setup_iomux_uart(); -#if defined(CONFIG_VIDEO_IPUV3) - setup_display(); -#endif - - 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 - - return 0; -} - -#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(0x40, 0x38, 0x00, 0x00)}, - {NULL, 0}, -}; -#endif - -int board_late_init(void) -{ -#ifdef CONFIG_CMD_BMODE - add_board_boot_modes(board_boot_modes); -#endif - - return 0; -} - -int checkboard(void) -{ - puts("Board: MX6-SabreSD\n"); - return 0; -} |