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Davinci: ea20: added video support

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Signed-off-by: Stefano Babic <sbabic@denx.de>
Cc: Anatolij Gustschin <agust@denx.de>
CC: Sandeep Paulraj <s-paulraj@ti.com>
Acked-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
This commit is contained in:
Stefano Babic 2011-10-04 23:43:37 +00:00 committed by Albert ARIBAUD
parent 134028682f
commit 3c8910116c
2 changed files with 75 additions and 1 deletions
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62
board/davinci/ea20/ea20.c
View File

@ -36,11 +36,27 @@
#include <asm/io.h>
#include <asm/arch/davinci_misc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/da8xx-fb.h>
DECLARE_GLOBAL_DATA_PTR;
#define pinmux(x) (&davinci_syscfg_regs->pinmux[x])
static const struct da8xx_panel lcd_panel = {
/* Casio COM57H531x */
.name = "Casio_COM57H531x",
.width = 640,
.height = 480,
.hfp = 12,
.hbp = 144,
.hsw = 30,
.vfp = 10,
.vbp = 35,
.vsw = 3,
.pxl_clk = 25000000,
.invert_pxl_clk = 0,
};
/* SPI0 pin muxer settings */
static const struct pinmux_config spi1_pins[] = {
{ pinmux(5), 1, 1 },
@ -100,6 +116,29 @@ const struct pinmux_config gpio_pins[] = {
{ pinmux(14), 8, 1 } /* GPIO6[6] LCD_B_PWR*/
};
const struct pinmux_config lcd_pins[] = {
{ pinmux(17), 2, 1 }, /* LCD_D_0 */
{ pinmux(17), 2, 0 }, /* LCD_D_1 */
{ pinmux(16), 2, 7 }, /* LCD_D_2 */
{ pinmux(16), 2, 6 }, /* LCD_D_3 */
{ pinmux(16), 2, 5 }, /* LCD_D_4 */
{ pinmux(16), 2, 4 }, /* LCD_D_5 */
{ pinmux(16), 2, 3 }, /* LCD_D_6 */
{ pinmux(16), 2, 2 }, /* LCD_D_7 */
{ pinmux(18), 2, 1 }, /* LCD_D_8 */
{ pinmux(18), 2, 0 }, /* LCD_D_9 */
{ pinmux(17), 2, 7 }, /* LCD_D_10 */
{ pinmux(17), 2, 6 }, /* LCD_D_11 */
{ pinmux(17), 2, 5 }, /* LCD_D_12 */
{ pinmux(17), 2, 4 }, /* LCD_D_13 */
{ pinmux(17), 2, 3 }, /* LCD_D_14 */
{ pinmux(17), 2, 2 }, /* LCD_D_15 */
{ pinmux(18), 2, 6 }, /* LCD_PCLK */
{ pinmux(19), 2, 0 }, /* LCD_HSYNC */
{ pinmux(19), 2, 1 }, /* LCD_VSYNC */
{ pinmux(19), 2, 6 }, /* DA850_NLCD_AC_ENB_CS */
};
const struct pinmux_config halten_pin[] = {
{ pinmux(3), 4, 2 } /* GPIO8[6] HALTEN */
};
@ -112,6 +151,9 @@ static const struct pinmux_resource pinmuxes[] = {
#ifdef CONFIG_NAND_DAVINCI
PINMUX_ITEM(nand_pins),
#endif
#ifdef CONFIG_VIDEO
PINMUX_ITEM(lcd_pins),
#endif
};
static const struct lpsc_resource lpsc[] = {
@ -120,6 +162,7 @@ static const struct lpsc_resource lpsc[] = {
{ DAVINCI_LPSC_EMAC }, /* image download */
{ DAVINCI_LPSC_UART0 }, /* console */
{ DAVINCI_LPSC_GPIO },
{ DAVINCI_LPSC_LCDC }, /* LCD */
};
int board_early_init_f(void)
@ -208,6 +251,21 @@ int board_early_init_f(void)
DAVINCI_UART_PWREMU_MGMT_UTRST),
&davinci_uart0_ctrl_regs->pwremu_mgmt);
/*
* Reconfigure the LCDC priority to the highest to ensure that
* the throughput/latency requirements for the LCDC are met.
*/
writel(readl(&davinci_syscfg_regs->mstpri[2]) & 0x0fffffff,
&davinci_syscfg_regs->mstpri[2]);
/* Set LCD_B_PWR low to power up LCD Backlight*/
writel((readl(&gpio6_base->set_data) | (1 << 6)),
&gpio6_base->set_data);
/* Set DISP_ON low to disable LCD output*/
writel((readl(&gpio6_base->set_data) | (1 << 1)),
&gpio6_base->set_data);
return 0;
}
@ -219,6 +277,8 @@ int board_init(void)
/* address of boot parameters */
gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
da8xx_video_init(&lcd_panel, 16);
return 0;
}
@ -238,6 +298,8 @@ int board_late_init(void)
&gpio8_base->set_data);
writel((readl(&gpio8_base->dir) & ~(1 << 6)), &gpio8_base->dir);
setenv("stdout", "serial");
return 0;
}
#endif /* BOARD_LATE_INIT */

14
include/configs/ea20.h
View File

@ -32,6 +32,7 @@
#define CONFIG_DRIVER_TI_EMAC_USE_RMII
#define CONFIG_BOARD_EARLY_INIT_F
#define BOARD_LATE_INIT
#define CONFIG_VIDEO
/*
* SoC Configuration
@ -50,7 +51,7 @@
/*
* Memory Info
*/
#define CONFIG_SYS_MALLOC_LEN (0x10000 + 1*1024*1024) /* malloc() len */
#define CONFIG_SYS_MALLOC_LEN (0x10000 + 4*1024*1024) /* malloc() len */
#define PHYS_SDRAM_1 DAVINCI_DDR_EMIF_DATA_BASE /* DDR Start */
#define PHYS_SDRAM_1_SIZE (64 << 20) /* SDRAM size 64MB */
#define CONFIG_MAX_RAM_BANK_SIZE (512 << 20) /* max size from SPRS586*/
@ -107,6 +108,17 @@
#define CONFIG_SYS_NO_FLASH
#endif
#if defined(CONFIG_VIDEO)
#define CONFIG_VIDEO_DA8XX
#define CONFIG_CFB_CONSOLE
#define CONFIG_VGA_AS_SINGLE_DEVICE
#define CONFIG_SPLASH_SCREEN
#define CONFIG_VIDEO_LOGO
#define CONFIG_VIDEO_BMP_RLE8
#define CONFIG_CMD_BMP
#endif
/*
* U-Boot general configuration
*/