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 --- 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 */