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mx51evk: Add LCD support

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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>
Acked-by: Stefano Babic <sbabic@denx.de>
This commit is contained in:
Fabio Estevam 2012-05-09 06:39:41 +00:00 committed by Anatolij Gustschin
parent 90464971f9
commit f1adefd239
2 changed files with 71 additions and 1 deletions
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59
board/freescale/mx51evk/mx51evk.c
View File

@ -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

13
include/configs/mx51evk.h
View File

@ -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