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

[Stelian Pop]

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 at 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