From: Stelian Pop <stelian@popies.net>
Date: Thu, 8 May 2008 12:52:30 +0000 (+0200)
Subject: AT91SAM9261EK: hook up the ATMEL LCD driver
X-Git-Tag: v1.3.4-rc1~114^2~22^2~1^2~6
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=820f2a958325061a446115f3035e48e4726b3390;p=oweals%2Fu-boot.git

AT91SAM9261EK: hook up the ATMEL LCD driver

This patch makes the necessary adaptations (PIO configurations and
defines in config header file) to hook up the Atmel LCD driver to the
AT91SAM9261EK board.

Signed-off-by: Stelian Pop <stelian@popies.net>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
---

diff --git a/board/atmel/at91sam9261ek/at91sam9261ek.c b/board/atmel/at91sam9261ek/at91sam9261ek.c
index 96b4422c97..3de234ce3e 100644
--- a/board/atmel/at91sam9261ek/at91sam9261ek.c
+++ b/board/atmel/at91sam9261ek/at91sam9261ek.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_DRIVER_DM9000)
 #include <net.h>
 #endif
@@ -150,6 +152,65 @@ static void at91sam9261ek_dm9000_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:		AT91SAM9261_LCDC_BASE,
+};
+
+void lcd_enable(void)
+{
+	at91_set_gpio_value(AT91_PIN_PA12, 0);  /* power up */
+}
+
+void lcd_disable(void)
+{
+	at91_set_gpio_value(AT91_PIN_PA12, 1);  /* power down */
+}
+
+static void at91sam9261ek_lcd_hw_init(void)
+{
+	at91_set_A_periph(AT91_PIN_PB1, 0);	/* LCDHSYNC */
+	at91_set_A_periph(AT91_PIN_PB2, 0);	/* LCDDOTCK */
+	at91_set_A_periph(AT91_PIN_PB3, 0);	/* LCDDEN */
+	at91_set_A_periph(AT91_PIN_PB4, 0);	/* LCDCC */
+	at91_set_A_periph(AT91_PIN_PB7, 0);	/* LCDD2 */
+	at91_set_A_periph(AT91_PIN_PB8, 0);	/* LCDD3 */
+	at91_set_A_periph(AT91_PIN_PB9, 0);	/* LCDD4 */
+	at91_set_A_periph(AT91_PIN_PB10, 0);	/* LCDD5 */
+	at91_set_A_periph(AT91_PIN_PB11, 0);	/* LCDD6 */
+	at91_set_A_periph(AT91_PIN_PB12, 0);	/* LCDD7 */
+	at91_set_A_periph(AT91_PIN_PB15, 0);	/* LCDD10 */
+	at91_set_A_periph(AT91_PIN_PB16, 0);	/* LCDD11 */
+	at91_set_A_periph(AT91_PIN_PB17, 0);	/* LCDD12 */
+	at91_set_A_periph(AT91_PIN_PB18, 0);	/* LCDD13 */
+	at91_set_A_periph(AT91_PIN_PB19, 0);	/* LCDD14 */
+	at91_set_A_periph(AT91_PIN_PB20, 0);	/* LCDD15 */
+	at91_set_B_periph(AT91_PIN_PB23, 0);	/* LCDD18 */
+	at91_set_B_periph(AT91_PIN_PB24, 0);	/* LCDD19 */
+	at91_set_B_periph(AT91_PIN_PB25, 0);	/* LCDD20 */
+	at91_set_B_periph(AT91_PIN_PB26, 0);	/* LCDD21 */
+	at91_set_B_periph(AT91_PIN_PB27, 0);	/* LCDD22 */
+	at91_set_B_periph(AT91_PIN_PB28, 0);	/* LCDD23 */
+
+	at91_sys_write(AT91_PMC_SCER, AT91_PMC_HCK1);
+
+	gd->fb_base = AT91SAM9261_SRAM_BASE;
+}
+#endif
+
 int board_init(void)
 {
 	/* Enable Ctrlc */
@@ -169,6 +230,9 @@ int board_init(void)
 #endif
 #ifdef CONFIG_DRIVER_DM9000
 	at91sam9261ek_dm9000_hw_init();
+#endif
+#ifdef CONFIG_LCD
+	at91sam9261ek_lcd_hw_init();
 #endif
 	return 0;
 }
diff --git a/include/configs/at91sam9261ek.h b/include/configs/at91sam9261ek.h
index 96fc6afcfe..df46268eb0 100644
--- a/include/configs/at91sam9261ek.h
+++ b/include/configs/at91sam9261ek.h
@@ -28,6 +28,7 @@
 #define __CONFIG_H
 
 /* ARM asynchronous clock */
+#define AT91_CPU_NAME		"AT91SAM9261"
 #define AT91_MAIN_CLOCK		198656000	/* from 18.432 MHz crystal */
 #define AT91_MASTER_CLOCK	99328000	/* 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 */