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imx: mx6sxsabresd: Add MCIMX28LCD display support

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The i.MX6SX SABRESD board supports MCIMX28LCD (800x480x24) at LCDIF1
port, enable this display feature by adding relevant BSP codes
and configurations.

Signed-off-by: Ye Li <ye.li@nxp.com>
This commit is contained in:
Ye Li 2016-01-26 22:09:40 +08:00 • committed by Stefano Babic
parent 23e2da27d3
commit 85eb095216
2 changed files with 81 additions and 0 deletions
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61
board/freescale/mx6sxsabresd/mx6sxsabresd.c
View file

@ -59,6 +59,9 @@ DECLARE_GLOBAL_DATA_PTR;
PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \ PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
PAD_CTL_ODE) PAD_CTL_ODE)
#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) int dram_init(void)
{ {
gd->ram_size = PHYS_SDRAM_SIZE; gd->ram_size = PHYS_SDRAM_SIZE;
@ -458,6 +461,60 @@ int board_qspi_init(void)
} }
#endif #endif
#ifdef CONFIG_VIDEO_MXS
static iomux_v3_cfg_t const lcd_pads[] = {
MX6_PAD_LCD1_CLK__LCDIF1_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_ENABLE__LCDIF1_ENABLE | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_HSYNC__LCDIF1_HSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_VSYNC__LCDIF1_VSYNC | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA00__LCDIF1_DATA_0 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA01__LCDIF1_DATA_1 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA02__LCDIF1_DATA_2 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA03__LCDIF1_DATA_3 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA04__LCDIF1_DATA_4 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA05__LCDIF1_DATA_5 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA06__LCDIF1_DATA_6 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA07__LCDIF1_DATA_7 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA08__LCDIF1_DATA_8 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA09__LCDIF1_DATA_9 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA10__LCDIF1_DATA_10 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA11__LCDIF1_DATA_11 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA12__LCDIF1_DATA_12 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA13__LCDIF1_DATA_13 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA14__LCDIF1_DATA_14 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA15__LCDIF1_DATA_15 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA16__LCDIF1_DATA_16 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA17__LCDIF1_DATA_17 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA18__LCDIF1_DATA_18 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA19__LCDIF1_DATA_19 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA20__LCDIF1_DATA_20 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA21__LCDIF1_DATA_21 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA22__LCDIF1_DATA_22 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_DATA23__LCDIF1_DATA_23 | MUX_PAD_CTRL(LCD_PAD_CTRL),
MX6_PAD_LCD1_RESET__GPIO3_IO_27 | MUX_PAD_CTRL(NO_PAD_CTRL),
/* Use GPIO for Brightness adjustment, duty cycle = period */
MX6_PAD_SD1_DATA2__GPIO6_IO_4 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
static int setup_lcd(void)
{
enable_lcdif_clock(LCDIF1_BASE_ADDR);
imx_iomux_v3_setup_multiple_pads(lcd_pads, ARRAY_SIZE(lcd_pads));
/* Reset the LCD */
gpio_direction_output(IMX_GPIO_NR(3, 27) , 0);
udelay(500);
gpio_direction_output(IMX_GPIO_NR(3, 27) , 1);
/* Set Brightness to high */
gpio_direction_output(IMX_GPIO_NR(6, 4) , 1);
return 0;
}
#endif
int board_init(void) int board_init(void)
{ {
/* Address of boot parameters */ /* Address of boot parameters */
@ -471,6 +528,10 @@ int board_init(void)
board_qspi_init(); board_qspi_init();
#endif #endif
#ifdef CONFIG_VIDEO_MXS
setup_lcd();
#endif
return 0; return 0;
} }

20
include/configs/mx6sxsabresd.h
View file

@ -36,6 +36,7 @@
"fdt_addr=0x88000000\0" \ "fdt_addr=0x88000000\0" \
"boot_fdt=try\0" \ "boot_fdt=try\0" \
"ip_dyn=yes\0" \ "ip_dyn=yes\0" \
"videomode=video=ctfb:x:800,y:480,depth:24,pclk:29850,le:89,ri:164,up:23,lo:10,hs:10,vs:10,sync:0,vmode:0\0" \
"mmcdev=2\0" \ "mmcdev=2\0" \
"mmcpart=1\0" \ "mmcpart=1\0" \
"mmcroot=/dev/mmcblk0p2 rootwait rw\0" \ "mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
@ -195,6 +196,25 @@
#define FSL_QSPI_FLASH_NUM 2 #define FSL_QSPI_FLASH_NUM 2
#endif #endif
#ifndef CONFIG_SPL_BUILD
#define CONFIG_VIDEO
#ifdef CONFIG_VIDEO
#define CONFIG_CFB_CONSOLE
#define CONFIG_VIDEO_MXS
#define CONFIG_VIDEO_LOGO
#define CONFIG_VIDEO_SW_CURSOR
#define CONFIG_VGA_AS_SINGLE_DEVICE
#define CONFIG_SYS_CONSOLE_IS_IN_ENV
#define CONFIG_SPLASH_SCREEN
#define CONFIG_SPLASH_SCREEN_ALIGN
#define CONFIG_CMD_BMP
#define CONFIG_BMP_16BPP
#define CONFIG_VIDEO_BMP_RLE8
#define CONFIG_VIDEO_BMP_LOGO
#define MXS_LCDIF_BASE MX6SX_LCDIF1_BASE_ADDR
#endif
#endif
#define CONFIG_ENV_OFFSET (8 * SZ_64K) #define CONFIG_ENV_OFFSET (8 * SZ_64K)
#define CONFIG_ENV_SIZE SZ_8K #define CONFIG_ENV_SIZE SZ_8K
#define CONFIG_ENV_IS_IN_MMC #define CONFIG_ENV_IS_IN_MMC