]> git.ipfire.org Git - people/ms/u-boot.git/blobdiff - board/atmel/atngw100/atngw100.c
Merge branch 'fixes' into cleanups
[people/ms/u-boot.git] / board / atmel / atngw100 / atngw100.c
index bd4b6b4ce5b8cabc90dbc5b8a635b74d70de7157..004d8daa900b2c8ba630623461b0e3d67cdb7b7b 100644 (file)
 
 #include <asm/io.h>
 #include <asm/sdram.h>
+#include <asm/arch/clk.h>
 #include <asm/arch/gpio.h>
-#include <asm/arch/hmatrix2.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,
@@ -40,34 +43,86 @@ static const struct sdram_info sdram = {
        .trcd           = 2,
        .tras           = 5,
        .txsr           = 5,
+       /* 7.81 us */
+       .refresh_period = (781 * (SDRAMC_BUS_HZ / 1000)) / 100000,
 };
 
 int board_early_init_f(void)
 {
-       /* Set the SDRAM_ENABLE bit in the HEBI SFR */
-       hmatrix2_writel(SFR4, 1 << 1);
+       /* 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 = map_physmem(EBI_SDRAM_BASE, EBI_SDRAM_SIZE, MAP_NOCACHE);
+
+       expected_size = sdram_init(sdram_base, &sdram_config);
+       actual_size = get_ram_size(sdram_base, expected_size);
+
+       unmap_physmem(sdram_base, EBI_SDRAM_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 */