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AT91SAM9RLEK: hook up the ATMEL LCD driver

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This patch makes the necessary adaptations (PIO configurations and
defines in config header file) to hook up the Atmel LCD driver to the
AT91SAM9RLEK board.

Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
This commit is contained in:
Stelian Pop 2008-05-08 14:52:32 +02:00 committed by Jean-Christophe PLAGNIOL-VILLARD
parent 56a2479cd7
commit 761c70b80c
2 changed files with 76 additions and 0 deletions
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63
board/atmel/at91sam9rlek/at91sam9rlek.c
View file

@ -30,6 +30,8 @@
#include <asm/arch/at91_rstc.h>
#include <asm/arch/gpio.h>
#include <asm/arch/io.h>
#include <lcd.h>
#include <atmel_lcdc.h>
#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
#include <net.h>
#endif
@ -124,6 +126,64 @@ static void at91sam9rlek_spi_hw_init(void)
}
#endif
#ifdef CONFIG_LCD
vidinfo_t panel_info = {
vl_col: 240,
vl_row: 320,
vl_clk: 4965000,
vl_sync: ATMEL_LCDC_INVLINE_INVERTED |
ATMEL_LCDC_INVFRAME_INVERTED,
vl_bpix: 3,
vl_tft: 1,
vl_hsync_len: 5,
vl_left_margin: 1,
vl_right_margin:33,
vl_vsync_len: 1,
vl_upper_margin:1,
vl_lower_margin:0,
mmio: AT91SAM9RL_LCDC_BASE,
};
void lcd_enable(void)
{
at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */
}
void lcd_disable(void)
{
at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */
}
static void at91sam9rlek_lcd_hw_init(void)
{
at91_set_B_periph(AT91_PIN_PC1, 0); /* LCDPWR */
at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDHSYNC */
at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDDOTCK */
at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDDEN */
at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDCC */
at91_set_B_periph(AT91_PIN_PC9, 0); /* LCDD3 */
at91_set_B_periph(AT91_PIN_PC10, 0); /* LCDD4 */
at91_set_B_periph(AT91_PIN_PC11, 0); /* LCDD5 */
at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD6 */
at91_set_B_periph(AT91_PIN_PC13, 0); /* LCDD7 */
at91_set_B_periph(AT91_PIN_PC15, 0); /* LCDD11 */
at91_set_B_periph(AT91_PIN_PC16, 0); /* LCDD12 */
at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD13 */
at91_set_B_periph(AT91_PIN_PC18, 0); /* LCDD14 */
at91_set_B_periph(AT91_PIN_PC19, 0); /* LCDD15 */
at91_set_B_periph(AT91_PIN_PC20, 0); /* LCDD18 */
at91_set_B_periph(AT91_PIN_PC21, 0); /* LCDD19 */
at91_set_B_periph(AT91_PIN_PC22, 0); /* LCDD20 */
at91_set_B_periph(AT91_PIN_PC23, 0); /* LCDD21 */
at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */
at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */
at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_LCDC);
gd->fb_base = 0;
}
#endif
int board_init(void)
{
/* Enable Ctrlc */
@ -140,6 +200,9 @@ int board_init(void)
#endif
#ifdef CONFIG_HAS_DATAFLASH
at91sam9rlek_spi_hw_init();
#endif
#ifdef CONFIG_LCD
at91sam9rlek_lcd_hw_init();
#endif
return 0;
}

13
include/configs/at91sam9rlek.h
View file

@ -28,6 +28,7 @@
#define __CONFIG_H
/* ARM asynchronous clock */
#define AT91_CPU_NAME "AT91SAM9RL"
#define AT91_MAIN_CLOCK 200000000 /* from 12.000 MHz crystal */
#define AT91_MASTER_CLOCK 100000000 /* peripheral = main / 2 */
#define CFG_HZ 1000000 /* 1us resolution */
@ -55,6 +56,18 @@
#undef CONFIG_USART2
#define CONFIG_USART3 1 /* USART 3 is DBGU */
/* LCD */
#define CONFIG_LCD 1
#define LCD_BPP LCD_COLOR8
#define CONFIG_LCD_LOGO 1
#undef LCD_TEST_PATTERN
#define CONFIG_LCD_INFO 1
#define CONFIG_LCD_INFO_BELOW_LOGO 1
#define CFG_WHITE_ON_BLACK 1
#define CONFIG_ATMEL_LCD 1
#define CONFIG_ATMEL_LCD_RGB565 1
#define CFG_CONSOLE_IS_IN_ENV 1
#define CONFIG_BOOTDELAY 3
/* #define CONFIG_ENV_OVERWRITE 1 */