On 09/05/2012 18:39, Fabio Estevam wrote:
Add support for CLAA07LC0ACW LCD that connects to the mx51evk board.
Configure the board to show the Linux logo on the LCD.
Also increase the size of CONFIG_SYS_MALLOC_LEN variable to take into account the framebuffer usage.
Signed-off-by: Fabio Estevam fabio.estevam@freescale.com
board/freescale/mx51evk/mx51evk.c | 59 +++++++++++++++++++++++++++++++++++++ include/configs/mx51evk.h | 13 +++++++- 2 files changed, 71 insertions(+), 1 deletions(-)
diff --git a/board/freescale/mx51evk/mx51evk.c b/board/freescale/mx51evk/mx51evk.c index b505a71..90dbabb 100644 --- a/board/freescale/mx51evk/mx51evk.c +++ b/board/freescale/mx51evk/mx51evk.c @@ -36,6 +36,12 @@ #include <fsl_pmic.h> #include <mc13892.h> #include <usb/ehci-fsl.h> +#include <linux/fb.h> +#include <ipu_pixfmt.h>
+#define MX51EVK_LCD_3V3 (3 * 32 + 9) /* GPIO4_9 */ +#define MX51EVK_LCD_5V (3 * 32 + 10) /* GPIO4_10 */ +#define MX51EVK_LCD_BACKLIGHT (2 * 32 + 4) /* GPIO3_4 */
DECLARE_GLOBAL_DATA_PTR;
@@ -453,6 +459,54 @@ int board_mmc_init(bd_t *bis) } #endif
+static struct fb_videomode claa_wvga = {
- .name = "CLAA07LC0ACW",
- .refresh = 57,
- .xres = 800,
- .yres = 480,
- .pixclock = 37037,
- .left_margin = 40,
- .right_margin = 60,
- .upper_margin = 10,
- .lower_margin = 10,
- .hsync_len = 20,
- .vsync_len = 10,
- .sync = 0,
- .vmode = FB_VMODE_NONINTERLACED
+};
+void lcd_iomux(void) +{
- /* DI2_PIN15 */
- mxc_request_iomux(MX51_PIN_DI_GP4, IOMUX_CONFIG_ALT4);
- /* Pad settings for MX51_PIN_DI2_DISP_CLK */
- mxc_iomux_set_pad(MX51_PIN_DI2_DISP_CLK, PAD_CTL_HYS_NONE |
PAD_CTL_PKE_ENABLE | PAD_CTL_PUE_KEEPER |PAD_CTL_DRV_MAX | PAD_CTL_SRE_SLOW);- /* Turn on 3.3V voltage for LCD */
- mxc_request_iomux(MX51_PIN_CSI2_D12, IOMUX_CONFIG_ALT3);
- gpio_direction_output(MX51EVK_LCD_3V3, 1);
- /* Turn on 5V voltage for LCD */
- mxc_request_iomux(MX51_PIN_CSI2_D13, IOMUX_CONFIG_ALT3);
- gpio_direction_output(MX51EVK_LCD_5V, 1);
- /* Turn on GPIO backlight */
- mxc_request_iomux(MX51_PIN_DI1_D1_CS, IOMUX_CONFIG_ALT4);
- mxc_iomux_set_input(MX51_GPIO3_IPP_IND_G_IN_4_SELECT_INPUT,
INPUT_CTL_PATH1);- gpio_direction_output(MX51EVK_LCD_BACKLIGHT, 1);
+}
+void lcd_enable(void) +{
- int ret = mx51_fb_init(&claa_wvga, 1, IPU_PIX_FMT_RGB565);
- if (ret)
printf("LCD cannot be configured: %d\n", ret);+}
int board_early_init_f(void) { setup_iomux_uart(); @@ -460,6 +514,7 @@ int board_early_init_f(void) #ifdef CONFIG_USB_EHCI_MX5 setup_usb_h1(); #endif
lcd_iomux();
return 0;
} @@ -469,6 +524,8 @@ int board_init(void) /* address of boot parameters */ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
- lcd_enable();
- return 0;
}
@@ -479,6 +536,8 @@ int board_late_init(void) setup_iomux_spi(); power_init(); #endif
- setenv("stdout", "serial");
- return 0;
} #endif diff --git a/include/configs/mx51evk.h b/include/configs/mx51evk.h index 1477b21..58b6f1c 100644 --- a/include/configs/mx51evk.h +++ b/include/configs/mx51evk.h @@ -51,7 +51,7 @@ /*
- Size of malloc() pool
*/ -#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + 2 * 1024 * 1024) +#define CONFIG_SYS_MALLOC_LEN (10 * 1024 * 1024)
#define CONFIG_BOARD_LATE_INIT
@@ -123,6 +123,17 @@ #define CONFIG_MXC_USB_PORTSC PORT_PTS_ULPI #define CONFIG_MXC_USB_FLAGS MXC_EHCI_POWER_PINS_ENABLED
+/* Framebuffer and LCD */ +#define CONFIG_PREBOOT +#define CONFIG_VIDEO +#define CONFIG_VIDEO_MX5 +#define CONFIG_CFB_CONSOLE +#define CONFIG_VGA_AS_SINGLE_DEVICE +#define CONFIG_VIDEO_BMP_RLE8 +#define CONFIG_SPLASH_SCREEN +#define CONFIG_BMP_16BPP +#define CONFIG_VIDEO_LOGO
/* allow to overwrite serial and ethaddr */ #define CONFIG_ENV_OVERWRITE #define CONFIG_CONS_INDEX 1
No issue on my side, here my:
Acked-by: Stefano Babic sbabic@denx.de
Best regards, Stefano Babic