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authorMarek Vasut <marex@denx.de>2013-09-20 16:14:13 +0200
committerStefano Babic <sbabic@denx.de>2013-10-17 09:44:20 +0200
commitf97271612bb1767e0c0b816827603380d7d7e1b6 (patch)
tree093d7fff47def67931ae45b84ee42ee5ee78e554 /board/ppcag/bg0900/bg0900.c
parent0c5e26678b18e136c1514bf769a16060ae1b5ff8 (diff)
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ARM: mxs: Add PPC-AG BG0900 board
This board supports FEC Ethernet, SPI NOR and NAND flash. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Stefano Babic <sbabic@denx.de> Cc: Christoph Baumann <c.baumann@ppc-ag.de>
Diffstat (limited to 'board/ppcag/bg0900/bg0900.c')
-rw-r--r--board/ppcag/bg0900/bg0900.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/board/ppcag/bg0900/bg0900.c b/board/ppcag/bg0900/bg0900.c
new file mode 100644
index 0000000..06612fa
--- /dev/null
+++ b/board/ppcag/bg0900/bg0900.c
@@ -0,0 +1,86 @@
+/*
+ * PPC-AG BG0900 board
+ *
+ * Copyright (C) 2013 Marek Vasut <marex@denx.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux-mx28.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/sys_proto.h>
+#include <linux/mii.h>
+#include <miiphy.h>
+#include <netdev.h>
+#include <errno.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Functions
+ */
+int board_early_init_f(void)
+{
+ /* IO0 clock at 480MHz */
+ mxs_set_ioclk(MXC_IOCLK0, 480000);
+ /* IO1 clock at 480MHz */
+ mxs_set_ioclk(MXC_IOCLK1, 480000);
+
+ /* SSP2 clock at 160MHz */
+ mxs_set_sspclk(MXC_SSPCLK2, 160000, 0);
+
+ return 0;
+}
+
+int dram_init(void)
+{
+ return mxs_dram_init();
+}
+
+int board_init(void)
+{
+ /* Adress of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
+
+ return 0;
+}
+
+#ifdef CONFIG_CMD_NET
+int board_eth_init(bd_t *bis)
+{
+ struct mxs_clkctrl_regs *clkctrl_regs =
+ (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
+ struct eth_device *dev;
+ int ret;
+
+ ret = cpu_eth_init(bis);
+
+ /* BG0900 uses ENET_CLK PAD to drive FEC clock */
+ writel(CLKCTRL_ENET_TIME_SEL_RMII_CLK | CLKCTRL_ENET_CLK_OUT_EN,
+ &clkctrl_regs->hw_clkctrl_enet);
+
+ /* Reset FEC PHYs */
+ gpio_direction_output(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 0);
+ udelay(200);
+ gpio_set_value(MX28_PAD_ENET0_RX_CLK__GPIO_4_13, 1);
+
+ ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE);
+ if (ret) {
+ puts("FEC MXS: Unable to init FEC0\n");
+ return ret;
+ }
+
+ dev = eth_get_dev_by_name("FEC0");
+ if (!dev) {
+ puts("FEC MXS: Unable to get FEC0 device entry\n");
+ return -EINVAL;
+ }
+
+ return ret;
+}
+
+#endif