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Diffstat (limited to 'board/davinci/da8xxevm/da850evm.c')
-rw-r--r--board/davinci/da8xxevm/da850evm.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c
index eeb456c..c8c5e1b 100644
--- a/board/davinci/da8xxevm/da850evm.c
+++ b/board/davinci/da8xxevm/da850evm.c
@@ -23,7 +23,11 @@
#include <common.h>
#include <i2c.h>
+#include <net.h>
+#include <netdev.h>
#include <asm/arch/hardware.h>
+#include <asm/arch/emif_defs.h>
+#include <asm/arch/emac_defs.h>
#include <asm/io.h>
#include "../common/misc.h"
#include "common.h"
@@ -48,18 +52,62 @@ static const struct pinmux_config uart_pins[] = {
{ pinmux(4), 2, 5 }
};
+#ifdef CONFIG_DRIVER_TI_EMAC
+static const struct pinmux_config emac_pins[] = {
+ { pinmux(2), 8, 1 },
+ { pinmux(2), 8, 2 },
+ { pinmux(2), 8, 3 },
+ { pinmux(2), 8, 4 },
+ { pinmux(2), 8, 5 },
+ { pinmux(2), 8, 6 },
+ { pinmux(2), 8, 7 },
+ { pinmux(3), 8, 0 },
+ { pinmux(3), 8, 1 },
+ { pinmux(3), 8, 2 },
+ { pinmux(3), 8, 3 },
+ { pinmux(3), 8, 4 },
+ { pinmux(3), 8, 5 },
+ { pinmux(3), 8, 6 },
+ { pinmux(3), 8, 7 },
+ { pinmux(4), 8, 0 },
+ { pinmux(4), 8, 1 }
+};
+#endif /* CONFIG_DRIVER_TI_EMAC */
+
/* I2C pin muxer settings */
static const struct pinmux_config i2c_pins[] = {
{ pinmux(4), 2, 2 },
{ pinmux(4), 2, 3 }
};
+#ifdef CONFIG_NAND_DAVINCI
+const struct pinmux_config nand_pins[] = {
+ { pinmux(7), 1, 1 },
+ { pinmux(7), 1, 2 },
+ { pinmux(7), 1, 4 },
+ { pinmux(7), 1, 5 },
+ { pinmux(9), 1, 0 },
+ { pinmux(9), 1, 1 },
+ { pinmux(9), 1, 2 },
+ { pinmux(9), 1, 3 },
+ { pinmux(9), 1, 4 },
+ { pinmux(9), 1, 5 },
+ { pinmux(9), 1, 6 },
+ { pinmux(9), 1, 7 },
+ { pinmux(12), 1, 5 },
+ { pinmux(12), 1, 6 }
+};
+#endif
+
static const struct pinmux_resource pinmuxes[] = {
#ifdef CONFIG_SPI_FLASH
PINMUX_ITEM(spi1_pins),
#endif
PINMUX_ITEM(uart_pins),
PINMUX_ITEM(i2c_pins),
+#ifdef CONFIG_NAND_DAVINCI
+ PINMUX_ITEM(nand_pins),
+#endif
};
static const struct lpsc_resource lpsc[] = {
@@ -76,6 +124,23 @@ int board_init(void)
irq_init();
#endif
+
+#ifdef CONFIG_NAND_DAVINCI
+ /*
+ * NAND CS setup - cycle counts based on da850evm NAND timings in the
+ * Linux kernel @ 25MHz EMIFA
+ */
+ writel((DAVINCI_ABCR_WSETUP(0) |
+ DAVINCI_ABCR_WSTROBE(0) |
+ DAVINCI_ABCR_WHOLD(0) |
+ DAVINCI_ABCR_RSETUP(0) |
+ DAVINCI_ABCR_RSTROBE(1) |
+ DAVINCI_ABCR_RHOLD(0) |
+ DAVINCI_ABCR_TA(0) |
+ DAVINCI_ABCR_ASIZE_8BIT),
+ &davinci_emif_regs->ab2cr); /* CS3 */
+#endif
+
/* arch number of the board */
gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DA850_EVM;
@@ -102,6 +167,14 @@ int board_init(void)
if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes)))
return 1;
+#ifdef CONFIG_DRIVER_TI_EMAC
+ if (davinci_configure_pin_mux(emac_pins, ARRAY_SIZE(emac_pins)) != 0)
+ return 1;
+ /* set cfgchip3 to select MII */
+ writel(readl(&davinci_syscfg_regs->cfgchip3) & ~(1 << 8),
+ &davinci_syscfg_regs->cfgchip3);
+#endif /* CONFIG_DRIVER_TI_EMAC */
+
/* enable the console UART */
writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST |
DAVINCI_UART_PWREMU_MGMT_UTRST),
@@ -109,3 +182,19 @@ int board_init(void)
return 0;
}
+
+#ifdef CONFIG_DRIVER_TI_EMAC
+
+/*
+ * Initializes on-board ethernet controllers.
+ */
+int board_eth_init(bd_t *bis)
+{
+ if (!davinci_emac_initialize()) {
+ printf("Error: Ethernet init failed!\n");
+ return -1;
+ }
+
+ return 0;
+}
+#endif /* CONFIG_DRIVER_TI_EMAC */