[U-Boot-Users] [PATCH 21/26] AT91CAP9ADK: 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
AT91CAP9ADK board.

Signed-off-by: Stelian Pop <stelian at popies.net>
---
 board/atmel/at91cap9adk/at91cap9adk.c |   64 +++++++++++++++++++++++++++++++++
 include/configs/at91cap9adk.h         |   13 +++++++
 2 files changed, 77 insertions(+), 0 deletions(-)

diff --git a/board/atmel/at91cap9adk/at91cap9adk.c b/board/atmel/at91cap9adk/at91cap9adk.c
index 67e16bb..e353cea 100644
--- a/board/atmel/at91cap9adk/at91cap9adk.c
+++ b/board/atmel/at91cap9adk/at91cap9adk.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
@@ -233,6 +235,65 @@ static void at91cap9_uhp_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:		AT91CAP9_LCDC_BASE,
+};
+
+void lcd_enable(void)
+{
+	at91_set_gpio_value(AT91_PIN_PC0, 0);  /* power up */
+}
+
+void lcd_disable(void)
+{
+	at91_set_gpio_value(AT91_PIN_PC0, 1);  /* power down */
+}
+
+static void at91cap9_lcd_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PC1, 0);	/* LCDHSYNC */
+	at91_set_A_periph(AT91_PIN_PC2, 0);	/* LCDDOTCK */
+	at91_set_A_periph(AT91_PIN_PC3, 0);	/* LCDDEN */
+	at91_set_B_periph(AT91_PIN_PB9, 0);	/* LCDCC */
+	at91_set_A_periph(AT91_PIN_PC6, 0);	/* LCDD2 */
+	at91_set_A_periph(AT91_PIN_PC7, 0);	/* LCDD3 */
+	at91_set_A_periph(AT91_PIN_PC8, 0);	/* LCDD4 */
+	at91_set_A_periph(AT91_PIN_PC9, 0);	/* LCDD5 */
+	at91_set_A_periph(AT91_PIN_PC10, 0);	/* LCDD6 */
+	at91_set_A_periph(AT91_PIN_PC11, 0);	/* LCDD7 */
+	at91_set_A_periph(AT91_PIN_PC14, 0);	/* LCDD10 */
+	at91_set_A_periph(AT91_PIN_PC15, 0);	/* LCDD11 */
+	at91_set_A_periph(AT91_PIN_PC16, 0);	/* LCDD12 */
+	at91_set_A_periph(AT91_PIN_PC17, 0);	/* LCDD13 */
+	at91_set_A_periph(AT91_PIN_PC18, 0);	/* LCDD14 */
+	at91_set_A_periph(AT91_PIN_PC19, 0);	/* LCDD15 */
+	at91_set_A_periph(AT91_PIN_PC22, 0);	/* LCDD18 */
+	at91_set_A_periph(AT91_PIN_PC23, 0);	/* LCDD19 */
+	at91_set_A_periph(AT91_PIN_PC24, 0);	/* LCDD20 */
+	at91_set_A_periph(AT91_PIN_PC25, 0);	/* LCDD21 */
+	at91_set_A_periph(AT91_PIN_PC26, 0);	/* LCDD22 */
+	at91_set_A_periph(AT91_PIN_PC27, 0);	/* LCDD23 */
+
+	at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_LCDC);
+
+	gd->fb_base = 0;
+}
+#endif
+
 int board_init(void)
 {
 	/* Enable Ctrlc */
@@ -257,6 +318,9 @@ int board_init(void)
 #ifdef CONFIG_USB_OHCI_NEW
 	at91cap9_uhp_hw_init();
 #endif
+#ifdef CONFIG_LCD
+	at91cap9_lcd_hw_init();
+#endif
 	return 0;
 }
 
diff --git a/include/configs/at91cap9adk.h b/include/configs/at91cap9adk.h
index 5e13309..03c0e58 100644
--- a/include/configs/at91cap9adk.h
+++ b/include/configs/at91cap9adk.h
@@ -28,6 +28,7 @@
 #define __CONFIG_H
 
 /* ARM asynchronous clock */
+#define AT91_CPU_NAME		"AT91CAP9"
 #define AT91_MAIN_CLOCK		200000000	/* from 12 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_BGR555		1
+#define CFG_CONSOLE_IS_IN_ENV		1
+
 #define CONFIG_BOOTDELAY	3
 
 /* #define CONFIG_ENV_OVERWRITE	1 */
-- 
1.5.3.3