at91sam9/at91cap: move common macb initialisation to cpu
[platform/kernel/u-boot.git] / board / atmel / at91cap9adk / at91cap9adk.c
index e6ae60c..46a4fce 100644 (file)
 #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_common.h>
 #include <asm/arch/at91_pmc.h>
 #include <asm/arch/at91_rstc.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/io.h>
+#include <asm/arch/hardware.h>
+#include <lcd.h>
+#include <atmel_lcdc.h>
 #if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB)
 #include <net.h>
 #endif
+#include <netdev.h>
 
 #define MP_BLOCK_3_BASE        0xFDF00000
 
@@ -43,31 +48,31 @@ DECLARE_GLOBAL_DATA_PTR;
  * Miscelaneous platform dependent initialisations
  */
 
-static void at91cap9_serial_hw_init(void)
+static void at91cap9_slowclock_hw_init(void)
 {
-#ifdef CONFIG_USART0
-       at91_set_A_periph(AT91_PIN_PA22, 1);            /* TXD0 */
-       at91_set_A_periph(AT91_PIN_PA23, 0);            /* RXD0 */
-       at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US0);
-#endif
-
-#ifdef CONFIG_USART1
-       at91_set_A_periph(AT91_PIN_PD0, 1);             /* TXD1 */
-       at91_set_A_periph(AT91_PIN_PD1, 0);             /* RXD1 */
-       at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US1);
-#endif
-
-#ifdef CONFIG_USART2
-       at91_set_A_periph(AT91_PIN_PD2, 1);             /* TXD2 */
-       at91_set_A_periph(AT91_PIN_PD3, 0);             /* RXD2 */
-       at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_US2);
-#endif
-
-#ifdef CONFIG_USART3   /* DBGU */
-       at91_set_A_periph(AT91_PIN_PC30, 0);            /* DRXD */
-       at91_set_A_periph(AT91_PIN_PC31, 1);            /* DTXD */
-       at91_sys_write(AT91_PMC_PCER, 1 << AT91_ID_SYS);
-#endif
+       /*
+        * 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)
@@ -116,7 +121,12 @@ 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 CONFIG_SYS_NAND_DBW_16
+                      AT91_SMC_DBW_16 |
+#else /* CONFIG_SYS_NAND_DBW_8 */
+                      AT91_SMC_DBW_8 |
+#endif
+                      AT91_SMC_TDF_(1));
 
        at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_PIOABCD);
 
@@ -127,20 +137,6 @@ static void at91cap9_nand_hw_init(void)
 }
 #endif
 
-#ifdef CONFIG_HAS_DATAFLASH
-static void at91cap9_spi_hw_init(void)
-{
-       at91_set_B_periph(AT91_PIN_PA5, 0);     /* SPI0_NPCS0 */
-
-       at91_set_B_periph(AT91_PIN_PA0, 0);     /* SPI0_MISO */
-       at91_set_B_periph(AT91_PIN_PA1, 0);     /* SPI0_MOSI */
-       at91_set_B_periph(AT91_PIN_PA2, 0);     /* SPI0_SPCK */
-
-       /* Enable clock */
-       at91_sys_write(AT91_PMC_PCER, 1 << AT91CAP9_ID_SPI0);
-}
-#endif
-
 #ifdef CONFIG_MACB
 static void at91cap9_macb_hw_init(void)
 {
@@ -162,7 +158,7 @@ static void at91cap9_macb_hw_init(void)
 
        /* Need to reset PHY -> 500ms reset */
        at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
-                                    AT91_RSTC_ERSTL | (0x0D << 8) |
+                                    (AT91_RSTC_ERSTL & (0x0D << 8)) |
                                     AT91_RSTC_URSTEN);
 
        at91_sys_write(AT91_RSTC_CR, AT91_RSTC_KEY | AT91_RSTC_EXTRST);
@@ -170,33 +166,19 @@ static void at91cap9_macb_hw_init(void)
        /* Wait for end hardware reset */
        while (!(at91_sys_read(AT91_RSTC_SR) & AT91_RSTC_NRSTL));
 
+       /* Restore NRST value */
+       at91_sys_write(AT91_RSTC_MR, AT91_RSTC_KEY |
+                                    (AT91_RSTC_ERSTL & (0x0 << 8)) |
+                                    AT91_RSTC_URSTEN);
+
        /* Re-enable pull-up */
        writel(pin_to_mask(AT91_PIN_PB22) |
               pin_to_mask(AT91_PIN_PB25) |
               pin_to_mask(AT91_PIN_PB26),
               pin_to_controller(AT91_PIN_PA0) + PIO_PUER);
 
-       at91_set_A_periph(AT91_PIN_PB21, 0);    /* ETXCK_EREFCK */
-       at91_set_A_periph(AT91_PIN_PB22, 0);    /* ERXDV */
-       at91_set_A_periph(AT91_PIN_PB25, 0);    /* ERX0 */
-       at91_set_A_periph(AT91_PIN_PB26, 0);    /* ERX1 */
-       at91_set_A_periph(AT91_PIN_PB27, 0);    /* ERXER */
-       at91_set_A_periph(AT91_PIN_PB28, 0);    /* ETXEN */
-       at91_set_A_periph(AT91_PIN_PB23, 0);    /* ETX0 */
-       at91_set_A_periph(AT91_PIN_PB24, 0);    /* ETX1 */
-       at91_set_A_periph(AT91_PIN_PB30, 0);    /* EMDIO */
-       at91_set_A_periph(AT91_PIN_PB29, 0);    /* EMDC */
-
-#ifndef CONFIG_RMII
-       at91_set_B_periph(AT91_PIN_PC25, 0);    /* ECRS */
-       at91_set_B_periph(AT91_PIN_PC26, 0);    /* ECOL */
-       at91_set_B_periph(AT91_PIN_PC22, 0);    /* ERX2 */
-       at91_set_B_periph(AT91_PIN_PC23, 0);    /* ERX3 */
-       at91_set_B_periph(AT91_PIN_PC27, 0);    /* ERXCK */
-       at91_set_B_periph(AT91_PIN_PC20, 0);    /* ETX2 */
-       at91_set_B_periph(AT91_PIN_PC21, 0);    /* ETX3 */
-       at91_set_B_periph(AT91_PIN_PC24, 0);    /* ETXER */
-#endif
+       at91_macb_hw_init();
+
        /* Unlock EMAC, 3 0 2 1 sequence */
 #define MP_MAC_KEY0    0x5969cb2a
 #define MP_MAC_KEY1    0xb4a1872e
@@ -228,6 +210,94 @@ 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;
+}
+
+#ifdef CONFIG_LCD_INFO
+#include <nand.h>
+#include <version.h>
+
+void lcd_show_board_info(void)
+{
+       ulong dram_size, nand_size;
+       int i;
+       char temp[32];
+
+       lcd_printf ("%s\n", U_BOOT_VERSION);
+       lcd_printf ("(C) 2008 ATMEL Corp\n");
+       lcd_printf ("at91support@atmel.com\n");
+       lcd_printf ("%s CPU at %s MHz\n",
+               AT91_CPU_NAME,
+               strmhz(temp, AT91_CPU_CLOCK));
+
+       dram_size = 0;
+       for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++)
+               dram_size += gd->bd->bi_dram[i].size;
+       nand_size = 0;
+       for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++)
+               nand_size += nand_info[i].size;
+       lcd_printf ("  %ld MB SDRAM, %ld MB NAND\n",
+               dram_size >> 20,
+               nand_size >> 20 );
+}
+#endif /* CONFIG_LCD_INFO */
+#endif
+
 int board_init(void)
 {
        /* Enable Ctrlc */
@@ -238,13 +308,14 @@ int board_init(void)
        /* adress of boot parameters */
        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
-       at91cap9_serial_hw_init();
+       at91_serial_hw_init();
+       at91cap9_slowclock_hw_init();
        at91cap9_nor_hw_init();
 #ifdef CONFIG_CMD_NAND
        at91cap9_nand_hw_init();
 #endif
 #ifdef CONFIG_HAS_DATAFLASH
-       at91cap9_spi_hw_init();
+       at91_spi0_hw_init(1 << 0);
 #endif
 #ifdef CONFIG_MACB
        at91cap9_macb_hw_init();
@@ -252,7 +323,9 @@ int board_init(void)
 #ifdef CONFIG_USB_OHCI_NEW
        at91cap9_uhp_hw_init();
 #endif
-
+#ifdef CONFIG_LCD
+       at91cap9_lcd_hw_init();
+#endif
        return 0;
 }
 
@@ -275,3 +348,12 @@ void reset_phy(void)
 #endif
 }
 #endif
+
+int board_eth_init(bd_t *bis)
+{
+       int rc = 0;
+#ifdef CONFIG_MACB
+       rc = macb_eth_initialize(0, (void *)AT91CAP9_BASE_EMAC, 0x00);
+#endif
+       return rc;
+}