Merge branch 'master' of git://www.denx.de/git/u-boot-ppc4xx
[platform/kernel/u-boot.git] / board / atmel / at91cap9adk / at91cap9adk.c
index 24861ba..a3eaf19 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2007-2008
- * Stelian Pop <stelian.pop <at> leadtechdesign.com>
+ * Stelian Pop <stelian.pop@leadtechdesign.com>
  * Lead Tech Design <www.leadtechdesign.com>
  *
  * See file CREDITS for list of people who contributed to this
 #include <common.h>
 #include <asm/arch/at91cap9.h>
 #include <asm/arch/at91cap9_matrix.h>
-#include <asm/arch/at91sam926x_mc.h>
+#include <asm/arch/at91sam9_smc.h>
 #include <asm/arch/at91_pmc.h>
 #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
@@ -70,6 +72,33 @@ static void at91cap9_serial_hw_init(void)
 #endif
 }
 
+static void at91cap9_slowclock_hw_init(void)
+{
+       /*
+        * On AT91CAP9 revC CPUs, the slow clock can be based on an
+        * internal impreciseRC oscillator or an external 32kHz oscillator.
+        * Switch to the latter.
+        */
+#define ARCH_ID_AT91CAP9_REVB  0x399
+#define ARCH_ID_AT91CAP9_REVC  0x601
+       if (at91_sys_read(AT91_PMC_VER) == ARCH_ID_AT91CAP9_REVC) {
+               unsigned i, tmp = at91_sys_read(AT91_SCKCR);
+               if ((tmp & AT91CAP9_SCKCR_OSCSEL) == AT91CAP9_SCKCR_OSCSEL_RC) {
+                       extern void timer_init(void);
+                       timer_init();
+                       tmp |= AT91CAP9_SCKCR_OSC32EN;
+                       at91_sys_write(AT91_SCKCR, tmp);
+                       for (i = 0; i < 1200; i++)
+                               udelay(1000);
+                       tmp |= AT91CAP9_SCKCR_OSCSEL_32;
+                       at91_sys_write(AT91_SCKCR, tmp);
+                       udelay(200);
+                       tmp &= ~AT91CAP9_SCKCR_RCEN;
+                       at91_sys_write(AT91_SCKCR, tmp);
+               }
+       }
+}
+
 static void at91cap9_nor_hw_init(void)
 {
        unsigned long csa;
@@ -116,7 +145,12 @@ static void at91cap9_nand_hw_init(void)
        at91_sys_write(AT91_SMC_MODE(3),
                       AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
                       AT91_SMC_EXNWMODE_DISABLE |
-                      AT91_SMC_DBW_8 | AT91_SMC_TDF_(1));
+#ifdef CFG_NAND_DBW_16
+                      AT91_SMC_DBW_16 |
+#else /* CFG_NAND_DBW_8 */
+                      AT91_SMC_DBW_8 |
+#endif
+                      AT91_SMC_TDF_(1));
 
        at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_PIOABCD);
 
@@ -228,6 +262,65 @@ 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 */
@@ -239,6 +332,7 @@ int board_init(void)
        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
        at91cap9_serial_hw_init();
+       at91cap9_slowclock_hw_init();
        at91cap9_nor_hw_init();
 #ifdef CONFIG_CMD_NAND
        at91cap9_nand_hw_init();
@@ -252,7 +346,9 @@ int board_init(void)
 #ifdef CONFIG_USB_OHCI_NEW
        at91cap9_uhp_hw_init();
 #endif
-
+#ifdef CONFIG_LCD
+       at91cap9_lcd_hw_init();
+#endif
        return 0;
 }