Blackfin: bf518f-ezbrd: new board port

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 101 insertions, 0 deletions

diff --git a/board/bf518f-ezbrd/bf518f-ezbrd.c b/board/bf518f-ezbrd/bf518f-ezbrd.c
new file mode 100644
index 0000000..2c7961a
--- /dev/null
+++ b/board/bf518f-ezbrd/bf518f-ezbrd.c
@@ -0,0 +1,101 @@
+/*
+ * U-boot - main board file
+ *
+ * Copyright (c) 2008-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <config.h>
+#include <command.h>
+#include <net.h>
+#include <netdev.h>
+#include <spi.h>
+#include <asm/blackfin.h>
+#include <asm/net.h>
+#include <asm/mach-common/bits/otp.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard(void)
+{
+	printf("Board: ADI BF518F EZ-Board board\n");
+	printf("       Support: http://blackfin.uclinux.org/\n");
+	return 0;
+}
+
+phys_size_t initdram(int board_type)
+{
+	gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE;
+	gd->bd->bi_memsize = CONFIG_SYS_MAX_RAM_SIZE;
+	return gd->bd->bi_memsize;
+}
+
+#if defined(CONFIG_BFIN_MAC)
+static void board_init_enetaddr(uchar *mac_addr)
+{
+	bool valid_mac = false;
+
+#if 0
+	/* the MAC is stored in OTP memory page 0xDF */
+	uint32_t ret;
+	uint64_t otp_mac;
+
+	ret = bfrom_OtpRead(0xDF, OTP_LOWER_HALF, &otp_mac);
+	if (!(ret & OTP_MASTER_ERROR)) {
+		uchar *otp_mac_p = (uchar *)&otp_mac;
+
+		for (ret = 0; ret < 6; ++ret)
+			mac_addr[ret] = otp_mac_p[5 - ret];
+
+		if (is_valid_ether_addr(mac_addr))
+			valid_mac = true;
+	}
+#endif
+
+	if (!valid_mac) {
+		puts("Warning: Generating 'random' MAC address\n");
+		bfin_gen_rand_mac(mac_addr);
+	}
+
+	eth_setenv_enetaddr("ethaddr", mac_addr);
+}
+
+int board_eth_init(bd_t *bis)
+{
+	static bool switch_is_alive = false;
+	int ret;
+
+	if (!switch_is_alive) {
+		struct spi_slave *slave = spi_setup_slave(0, 1, 5000000, SPI_MODE_3);
+		if (slave) {
+			if (!spi_claim_bus(slave)) {
+				unsigned char dout[3] = { 2, 1, 1, };
+				unsigned char din[3];
+				ret = spi_xfer(slave, sizeof(dout) * 8, dout, din, SPI_XFER_BEGIN | SPI_XFER_END);
+				if (!ret)
+					switch_is_alive = true;
+				spi_release_bus(slave);
+			}
+			spi_free_slave(slave);
+		}
+	}
+
+	if (switch_is_alive)
+		return bfin_EMAC_initialize(bis);
+	else
+		return -1;
+}
+#endif
+
+int misc_init_r(void)
+{
+#ifdef CONFIG_BFIN_MAC
+	uchar enetaddr[6];
+	if (!eth_getenv_enetaddr("ethaddr", enetaddr))
+		board_init_enetaddr(enetaddr);
+#endif
+
+	return 0;
+}