diff options
Diffstat (limited to 'board/freescale/mx6sllevk/mx6sllevk.c')
| -rw-r--r-- | board/freescale/mx6sllevk/mx6sllevk.c | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/board/freescale/mx6sllevk/mx6sllevk.c b/board/freescale/mx6sllevk/mx6sllevk.c index 74a27a3..c0ad89b 100644 --- a/board/freescale/mx6sllevk/mx6sllevk.c +++ b/board/freescale/mx6sllevk/mx6sllevk.c @@ -17,9 +17,11 @@ #include <common.h> #include <linux/sizes.h> #include <mmc.h> +#include <mxsfb.h> #include <power/pmic.h> #include <power/pfuze100_pmic.h> #include "../common/pfuze.h" +#include <asm/imx-common/video.h> DECLARE_GLOBAL_DATA_PTR; @@ -27,6 +29,9 @@ DECLARE_GLOBAL_DATA_PTR; PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \ PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS) +#define LCD_PAD_CTRL (PAD_CTL_HYS | PAD_CTL_PUS_100K_UP | PAD_CTL_PUE | \ + PAD_CTL_PKE | PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm) + int dram_init(void) { gd->ram_size = imx_ddr_size(); @@ -91,6 +96,93 @@ int power_init_board(void) } #endif +#ifdef CONFIG_VIDEO_MXS +static iomux_v3_cfg_t const lcd_pads[] = { + MX6_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_ENABLE__LCD_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_HSYNC__LCD_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_VSYNC__LCD_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA00__LCD_DATA00 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA01__LCD_DATA01 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA02__LCD_DATA02 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA03__LCD_DATA03 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA04__LCD_DATA04 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA05__LCD_DATA05 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA06__LCD_DATA06 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA07__LCD_DATA07 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA08__LCD_DATA08 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA09__LCD_DATA09 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA10__LCD_DATA10 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA11__LCD_DATA11 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA12__LCD_DATA12 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA13__LCD_DATA13 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA14__LCD_DATA14 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA15__LCD_DATA15 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA16__LCD_DATA16 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA17__LCD_DATA17 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA18__LCD_DATA18 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA19__LCD_DATA19 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA20__LCD_DATA20 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA21__LCD_DATA21 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA22__LCD_DATA22 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_LCD_DATA23__LCD_DATA23 | MUX_PAD_CTRL(LCD_PAD_CTRL), + MX6_PAD_KEY_ROW5__GPIO4_IO03 | MUX_PAD_CTRL(NO_PAD_CTRL), + MX6_PAD_LCD_RESET__GPIO2_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL), + + /* Use GPIO for Brightness adjustment, duty cycle = period */ + MX6_PAD_PWM1__GPIO3_IO23 | MUX_PAD_CTRL(NO_PAD_CTRL), +}; + +void do_enable_parallel_lcd(struct display_info_t const *dev) + +{ + int ret; + + ret = enable_lcdif_clock(dev->bus, 1); + if (ret) { + printf("Enable LCDIF clock failed, %d\n", ret); + return; + } + + imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads)); + + /* Reset the LCD */ + gpio_request(IMX_GPIO_NR(2, 19), "lcd reset"); + gpio_direction_output(IMX_GPIO_NR(2, 19) , 0); + udelay(500); + gpio_direction_output(IMX_GPIO_NR(2, 19) , 1); + + gpio_request(IMX_GPIO_NR(4, 3), "lcd pwr en"); + gpio_direction_output(IMX_GPIO_NR(4, 3) , 1); + + /* Set Brightness to high */ + gpio_request(IMX_GPIO_NR(3, 23), "backlight"); + gpio_direction_output(IMX_GPIO_NR(3, 23) , 1); +} + +struct display_info_t const displays[] = {{ + .bus = MX6SLL_LCDIF_BASE_ADDR, + .addr = 0, + .pixfmt = 24, + .detect = NULL, + .enable = do_enable_parallel_lcd, + .mode = { + .name = "MCIMX28LCD", + .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); +#endif + int board_early_init_f(void) { setup_iomux_uart(); |