#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"
{ 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 },
{ DAVINCI_LPSC_GPIO },
};
+#ifndef CONFIG_DA850_EVM_MAX_CPU_CLK
+#define CONFIG_DA850_EVM_MAX_CPU_CLK 300000000
+#endif
+
+/*
+ * get_board_rev() - setup to pass kernel board revision information
+ * Returns:
+ * bit[0-3] Maximum cpu clock rate supported by onboard SoC
+ * 0000b - 300 MHz
+ * 0001b - 372 MHz
+ * 0010b - 408 MHz
+ * 0011b - 456 MHz
+ */
+u32 get_board_rev(void)
+{
+ char *s;
+ u32 maxcpuclk = CONFIG_DA850_EVM_MAX_CPU_CLK;
+ u32 rev = 0;
+
+ s = getenv("maxcpuclk");
+ if (s)
+ maxcpuclk = simple_strtoul(s, NULL, 10);
+
+ if (maxcpuclk >= 456000000)
+ rev = 3;
+ else if (maxcpuclk >= 408000000)
+ rev = 2;
+ else if (maxcpuclk >= 372000000)
+ rev = 1;
+
+ return rev;
+}
+
int board_init(void)
{
#ifndef CONFIG_USE_IRQ
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;
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),
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 */