AT91CAP9ADK: 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
AT91CAP9ADK board.

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

diff --git a/board/atmel/at91cap9adk/at91cap9adk.c b/board/atmel/at91cap9adk/at91cap9adk.c
index 67e16bb866b619211c26bcada974288a72d4f4b5..e353cea18152b66b6a826864d882713c4cc557d0 100644 (file)
--- 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 */
@@ -256,6 +317,9 @@ int board_init(void)
 #endif
 #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 5e13309614b48eba8425cbea7d577eedaf537974..03c0e589f6a75b3b0df31ad28db4a0eaa7934610 100644 (file)
--- 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 */