[U-Boot-Users] [PATCH 24/26] AT91SAM9RLEK: hook up the ATMEL LCD driver

Stelian Pop
2008-05-08T20:52:32Z

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>
---
board/atmel/at91sam9rlek/at91sam9rlek.c | 63 +++++++++++++++++++++++++++++++
include/configs/at91sam9rlek.h | 13 ++++++
2 files changed, 76 insertions(+), 0 deletions(-)

diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c
index 8deecfd..10423d2 100644
--- a/board/atmel/at91sam9rlek/at91sam9rlek.c
+++ b/board/atmel/at91sam9rlek/at91sam9rlek.c
@@ -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 */
@@ -141,6 +201,9 @@ int board_init(void)
#ifdef CONFIG_HAS_DATAFLASH
at91sam9rlek_spi_hw_init();
#endif
+#ifdef CONFIG_LCD
+ at91sam9rlek_lcd_hw_init();
+#endif
return 0;
}

diff --git a/include/configs/at91sam9rlek.h b/include/configs/at91sam9rlek.h
index 773f954..33d934f 100644
--- a/include/configs/at91sam9rlek.h
+++ b/include/configs/at91sam9rlek.h
@@ -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 */
--
1.5.3.3