diff options
Diffstat (limited to 'board/freescale/mx6qsabreauto/mx6qsabreauto.c')
| -rw-r--r-- | board/freescale/mx6qsabreauto/mx6qsabreauto.c | 154 |
1 files changed, 153 insertions, 1 deletions
diff --git a/board/freescale/mx6qsabreauto/mx6qsabreauto.c b/board/freescale/mx6qsabreauto/mx6qsabreauto.c index 1cb7561759..42ae6fac5e 100644 --- a/board/freescale/mx6qsabreauto/mx6qsabreauto.c +++ b/board/freescale/mx6qsabreauto/mx6qsabreauto.c @@ -17,12 +17,17 @@ #include <asm/imx-common/iomux-v3.h> #include <asm/imx-common/mxc_i2c.h> #include <asm/imx-common/boot_mode.h> +#include <asm/imx-common/spi.h> #include <mmc.h> #include <fsl_esdhc.h> #include <miiphy.h> #include <netdev.h> #include <asm/arch/sys_proto.h> #include <i2c.h> +#include <asm/arch/mxc_hdmi.h> +#include <asm/imx-common/video.h> +#include <asm/arch/crm_regs.h> +#include <pca953x.h> DECLARE_GLOBAL_DATA_PTR; @@ -112,6 +117,44 @@ static iomux_v3_cfg_t const port_exp[] = { MX6_PAD_SD2_DAT0__GPIO1_IO15 | MUX_PAD_CTRL(NO_PAD_CTRL), }; +/*Define for building port exp gpio, pin starts from 0*/ +#define PORTEXP_IO_NR(chip, pin) \ + ((chip << 5) + pin) + +/*Get the chip addr from a ioexp gpio*/ +#define PORTEXP_IO_TO_CHIP(gpio_nr) \ + (gpio_nr >> 5) + +/*Get the pin number from a ioexp gpio*/ +#define PORTEXP_IO_TO_PIN(gpio_nr) \ + (gpio_nr & 0x1f) + +static int port_exp_direction_output(unsigned gpio, int value) +{ + int ret; + + i2c_set_bus_num(2); + ret = i2c_probe(PORTEXP_IO_TO_CHIP(gpio)); + if (ret) + return ret; + + ret = pca953x_set_dir(PORTEXP_IO_TO_CHIP(gpio), + (1 << PORTEXP_IO_TO_PIN(gpio)), + (PCA953X_DIR_OUT << PORTEXP_IO_TO_PIN(gpio))); + + if (ret) + return ret; + + ret = pca953x_set_val(PORTEXP_IO_TO_CHIP(gpio), + (1 << PORTEXP_IO_TO_PIN(gpio)), + (value << PORTEXP_IO_TO_PIN(gpio))); + + if (ret) + return ret; + + return 0; +} + static void setup_iomux_enet(void) { imx_iomux_v3_setup_multiple_pads(enet_pads, ARRAY_SIZE(enet_pads)); @@ -234,10 +277,65 @@ u32 get_board_rev(void) return (get_cpu_rev() & ~(0xF << 8)) | rev; } +#if defined(CONFIG_VIDEO_IPUV3) +static void do_enable_hdmi(struct display_info_t const *dev) +{ + imx_enable_hdmi_phy(); +} + +struct display_info_t const displays[] = {{ + .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, +} } }; +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; + int reg; + + enable_ipu_clock(); + imx_setup_hdmi(); + + reg = readl(&mxc_ccm->chsccdr); + reg |= (CHSCCDR_CLK_SEL_LDB_DI0 + << MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET); + writel(reg, &mxc_ccm->chsccdr); +} +#endif /* CONFIG_VIDEO_IPUV3 */ + +/* + * 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(); - +#ifdef CONFIG_VIDEO_IPUV3 + setup_display(); +#endif return 0; } @@ -302,3 +400,57 @@ int checkboard(void) return 0; } + +#ifdef CONFIG_USB_EHCI_MX6 +#define USB_HOST1_PWR PORTEXP_IO_NR(0x32, 7) +#define USB_OTG_PWR PORTEXP_IO_NR(0x34, 1) + +iomux_v3_cfg_t const usb_otg_pads[] = { + MX6_PAD_ENET_RX_ER__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +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, 0); + break; + case 1: + break; + default: + printf("MXC USB port %d not yet supported\n", port); + return -EINVAL; + } + return 0; +} + +int board_ehci_power(int port, int on) +{ + switch (port) { + case 0: + if (on) + port_exp_direction_output(USB_OTG_PWR, 1); + else + port_exp_direction_output(USB_OTG_PWR, 0); + break; + case 1: + if (on) + port_exp_direction_output(USB_HOST1_PWR, 1); + else + port_exp_direction_output(USB_HOST1_PWR, 0); + break; + default: + printf("MXC USB port %d not yet supported\n", port); + return -EINVAL; + } + + return 0; +} +#endif |