diff options
author | Tom Rini | 2015-08-02 07:40:37 -0400 |
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committer | Tom Rini | 2015-08-02 07:40:37 -0400 |
commit | 7a1af7a79bd79ded6a78d0c1afdbc3353669e313 (patch) | |
tree | 6adcb6dfb2782e8502ca07e2533bee3f95eaeae9 /board/congatec/cgtqmx6eval/cgtqmx6eval.c | |
parent | 8968b914be7bfd67d179d0395898bd9db67aaad1 (diff) | |
parent | f85764cc1f6ab01ffc60dd78de9c4de4cff2b5ce (diff) |
Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'board/congatec/cgtqmx6eval/cgtqmx6eval.c')
-rw-r--r-- | board/congatec/cgtqmx6eval/cgtqmx6eval.c | 353 |
1 files changed, 341 insertions, 12 deletions
diff --git a/board/congatec/cgtqmx6eval/cgtqmx6eval.c b/board/congatec/cgtqmx6eval/cgtqmx6eval.c index 749253429b1..7de6460ca0b 100644 --- a/board/congatec/cgtqmx6eval/cgtqmx6eval.c +++ b/board/congatec/cgtqmx6eval/cgtqmx6eval.c @@ -15,9 +15,18 @@ #include <asm/arch/mx6-pins.h> #include <asm/gpio.h> #include <asm/imx-common/iomux-v3.h> +#include <asm/imx-common/sata.h> #include <asm/imx-common/boot_mode.h> +#include <asm/imx-common/mxc_i2c.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/arch/crm_regs.h> #include <mmc.h> #include <fsl_esdhc.h> +#include <i2c.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> +#include <linux/fb.h> +#include <ipu_pixfmt.h> DECLARE_GLOBAL_DATA_PTR; @@ -27,6 +36,13 @@ DECLARE_GLOBAL_DATA_PTR; #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 I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \ + PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ + PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ + PAD_CTL_ODE | PAD_CTL_SRE_FAST) + +#define MX6Q_QMX6_PFUZE_MUX IMX_GPIO_NR(6, 9) + int dram_init(void) { gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE); @@ -34,12 +50,12 @@ int dram_init(void) return 0; } -iomux_v3_cfg_t const uart2_pads[] = { +static iomux_v3_cfg_t const uart2_pads[] = { MX6_PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), MX6_PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL), }; -iomux_v3_cfg_t const usdhc2_pads[] = { +static 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), @@ -49,7 +65,21 @@ iomux_v3_cfg_t const usdhc2_pads[] = { MX6_PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(USDHC_PAD_CTRL), }; -iomux_v3_cfg_t const usdhc4_pads[] = { +static 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_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL), +}; + +static 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), @@ -63,14 +93,92 @@ iomux_v3_cfg_t const usdhc4_pads[] = { MX6_PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL), /* CD */ }; +static iomux_v3_cfg_t const usb_otg_pads[] = { + MX6_PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +#define PC MUX_PAD_CTRL(I2C_PAD_CTRL) +struct i2c_pads_info i2c_pad_info1 = { + .scl = { + .i2c_mode = MX6_PAD_KEY_COL3__I2C2_SCL | PC, + .gpio_mode = MX6_PAD_KEY_COL3__GPIO4_IO12 | PC, + .gp = IMX_GPIO_NR(4, 12) + }, + .sda = { + .i2c_mode = MX6_PAD_KEY_ROW3__I2C2_SDA | PC, + .gpio_mode = MX6_PAD_KEY_ROW3__GPIO4_IO13 | PC, + .gp = IMX_GPIO_NR(4, 13) + } +}; + +#define I2C_PMIC 1 /* I2C2 port is used to connect to the PMIC */ + +struct interface_level { + char *name; + uchar value; +}; + +static struct interface_level mipi_levels[] = { + {"0V0", 0x00}, + {"2V5", 0x17}, +}; + +/* setup board specific PMIC */ +int power_init_board(void) +{ + struct pmic *p; + u32 id1, id2, i; + int ret; + char const *lv_mipi; + + /* configure I2C multiplexer */ + gpio_direction_output(MX6Q_QMX6_PFUZE_MUX, 1); + + power_pfuze100_init(I2C_PMIC); + p = pmic_get("PFUZE100"); + if (!p) + return -EINVAL; + + ret = pmic_probe(p); + if (ret) + return ret; + + pmic_reg_read(p, PFUZE100_DEVICEID, &id1); + pmic_reg_read(p, PFUZE100_REVID, &id2); + printf("PFUZE100 Rev. [%02x/%02x] detected\n", id1, id2); + + if (id2 >= 0x20) + return 0; + + /* set level of MIPI if specified */ + lv_mipi = getenv("lv_mipi"); + if (lv_mipi) + return 0; + + for (i = 0; i < ARRAY_SIZE(mipi_levels); i++) { + if (!strcmp(mipi_levels[i].name, lv_mipi)) { + printf("set MIPI level %s\n", + mipi_levels[i].name); + ret = pmic_reg_write(p, PFUZE100_VGEN4VOL, + mipi_levels[i].value); + if (ret) + return ret; + } + } + + return 0; +} + static void setup_iomux_uart(void) { imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); } #ifdef CONFIG_FSL_ESDHC -struct fsl_esdhc_cfg usdhc_cfg[] = { +static struct fsl_esdhc_cfg usdhc_cfg[] = { {USDHC2_BASE_ADDR}, + {USDHC3_BASE_ADDR}, {USDHC4_BASE_ADDR}, }; @@ -84,6 +192,9 @@ int board_mmc_getcd(struct mmc *mmc) gpio_direction_input(IMX_GPIO_NR(1, 4)); ret = !gpio_get_value(IMX_GPIO_NR(1, 4)); break; + case USDHC3_BASE_ADDR: + ret = 1; /* eMMC is always present */ + break; case USDHC4_BASE_ADDR: gpio_direction_input(IMX_GPIO_NR(2, 6)); ret = !gpio_get_value(IMX_GPIO_NR(2, 6)); @@ -98,25 +209,237 @@ int board_mmc_getcd(struct mmc *mmc) int board_mmc_init(bd_t *bis) { s32 status = 0; + int i; usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK); - usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); + usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); + usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK); - imx_iomux_v3_setup_multiple_pads( - usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); - imx_iomux_v3_setup_multiple_pads( - usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); + imx_iomux_v3_setup_multiple_pads(usdhc2_pads, ARRAY_SIZE(usdhc2_pads)); + imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); + imx_iomux_v3_setup_multiple_pads(usdhc4_pads, ARRAY_SIZE(usdhc4_pads)); - status = fsl_esdhc_initialize(bis, &usdhc_cfg[0]) | - fsl_esdhc_initialize(bis, &usdhc_cfg[1]); + for (i = 0; i < ARRAY_SIZE(usdhc_cfg); i++) { + status = fsl_esdhc_initialize(bis, &usdhc_cfg[i]); + if (status) + return status; + } - return status; + return 0; } #endif +int board_ehci_hcd_init(int port) +{ + switch (port) { + case 0: + imx_iomux_v3_setup_multiple_pads(usb_otg_pads, + ARRAY_SIZE(usb_otg_pads)); + /* + * set daisy chain for otg_pin_id on 6q. + * for 6dl, this bit is reserved + */ + imx_iomux_set_gpr_register(1, 13, 1, 1); + break; + case 1: + /* nothing to do */ + break; + default: + printf("Invalid USB port: %d\n", port); + return -EINVAL; + } + + return 0; +} + +int board_ehci_power(int port, int on) +{ + switch (port) { + case 0: + break; + case 1: + gpio_direction_output(IMX_GPIO_NR(5, 5), on); + break; + default: + printf("Invalid USB port: %d\n", port); + return -EINVAL; + } + + return 0; +} + +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 void disable_lvds(struct display_info_t const *dev) +{ + struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR; + + clrbits_le32(&iomux->gpr[2], IOMUXC_GPR2_LVDS_CH0_MODE_MASK | + IOMUXC_GPR2_LVDS_CH1_MODE_MASK); +} + +static void do_enable_hdmi(struct display_info_t const *dev) +{ + disable_lvds(dev); + imx_enable_hdmi_phy(); +} + +static struct display_info_t const displays[] = { +{ + .bus = -1, + .addr = 0, + .pixfmt = IPU_PIX_FMT_RGB666, + .detect = NULL, + .enable = NULL, + .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 = NULL, + .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) { + if (displays[i].enable) + 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; + + enable_ipu_clock(); + imx_setup_hdmi(); + + /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */ + setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK | + MXC_CCM_CCGR3_LDB_DI1_MASK); + + /* 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); + + setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV | + MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV); + + setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 << + MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET | + CHSCCDR_CLK_SEL_LDB_DI0 << + MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET); + + 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]); +} + +/* + * Do not overwrite the console + * Use always serial for U-Boot console + */ +int overwrite_console(void) +{ + return 1; +} + int board_early_init_f(void) { setup_iomux_uart(); + setup_display(); return 0; } @@ -126,6 +449,12 @@ int board_init(void) /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); + +#ifdef CONFIG_CMD_SATA + setup_sata(); +#endif + return 0; } |