]> git.sur5r.net Git - u-boot/blobdiff - board/atmel/atngw100/atngw100.c
avr32: Use uncached() macro to get an address for SDRAM init
[u-boot] / board / atmel / atngw100 / atngw100.c
index 3ff6f0feb204922f8ccff4c02b3c8fb3993c4203..4580f550df98a4fcab81adda265c0aca43aa498a 100644 (file)
 #include <asm/arch/clk.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/hmatrix.h>
+#include <asm/arch/portmux.h>
+#include <netdev.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
-static const struct sdram_info sdram = {
-       .phys_addr      = CFG_SDRAM_BASE,
+static const struct sdram_config sdram_config = {
+       .data_bits      = SDRAM_DATA_16BIT,
        .row_bits       = 13,
        .col_bits       = 9,
        .bank_bits      = 2,
@@ -50,27 +52,75 @@ int board_early_init_f(void)
        /* Enable SDRAM in the EBI mux */
        hmatrix_slave_write(EBI, SFR, HMATRIX_BIT(EBI_SDRAM_ENABLE));
 
-       gpio_enable_ebi();
-       gpio_enable_usart1();
+       portmux_enable_ebi(16, 23, 0, PORTMUX_DRIVE_HIGH);
+       portmux_enable_usart1(PORTMUX_DRIVE_MIN);
 
 #if defined(CONFIG_MACB)
-       gpio_enable_macb0();
-       gpio_enable_macb1();
+       portmux_enable_macb0(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH);
+       portmux_enable_macb1(PORTMUX_MACB_MII, PORTMUX_DRIVE_HIGH);
 #endif
 #if defined(CONFIG_MMC)
-       gpio_enable_mmci();
+       portmux_enable_mmci(0, PORTMUX_MMCI_4BIT, PORTMUX_DRIVE_LOW);
+#endif
+#if defined(CONFIG_ATMEL_SPI)
+       portmux_enable_spi0(1 << 0, PORTMUX_DRIVE_LOW);
 #endif
 
        return 0;
 }
 
-long int initdram(int board_type)
+phys_size_t initdram(int board_type)
 {
-       return sdram_init(&sdram);
+       unsigned long expected_size;
+       unsigned long actual_size;
+       void *sdram_base;
+
+       sdram_base = uncached(EBI_SDRAM_BASE);
+
+       expected_size = sdram_init(sdram_base, &sdram_config);
+       actual_size = get_ram_size(sdram_base, expected_size);
+
+       if (expected_size != actual_size)
+               printf("Warning: Only %lu of %lu MiB SDRAM is working\n",
+                               actual_size >> 20, expected_size >> 20);
+
+       return actual_size;
 }
 
-void board_init_info(void)
+int board_early_init_r(void)
 {
        gd->bd->bi_phy_id[0] = 0x01;
        gd->bd->bi_phy_id[1] = 0x03;
+       return 0;
+}
+
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bi)
+{
+       macb_eth_initialize(0, (void *)MACB0_BASE, bi->bi_phy_id[0]);
+       macb_eth_initialize(1, (void *)MACB1_BASE, bi->bi_phy_id[1]);
+       return 0;
+}
+#endif
+
+/* SPI chip select control */
+#ifdef CONFIG_ATMEL_SPI
+#include <spi.h>
+
+#define ATNGW100_DATAFLASH_CS_PIN      GPIO_PIN_PA(3)
+
+int spi_cs_is_valid(unsigned int bus, unsigned int cs)
+{
+       return bus == 0 && cs == 0;
+}
+
+void spi_cs_activate(struct spi_slave *slave)
+{
+       gpio_set_value(ATNGW100_DATAFLASH_CS_PIN, 0);
+}
+
+void spi_cs_deactivate(struct spi_slave *slave)
+{
+       gpio_set_value(ATNGW100_DATAFLASH_CS_PIN, 1);
 }
+#endif /* CONFIG_ATMEL_SPI */