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-rw-r--r--board/Seagate/goflexhome/goflexhome.c189
1 files changed, 189 insertions, 0 deletions
diff --git a/board/Seagate/goflexhome/goflexhome.c b/board/Seagate/goflexhome/goflexhome.c
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+++ b/board/Seagate/goflexhome/goflexhome.c
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+/*
+ * Copyright (C) 2013 Suriyan Ramasami <suriyan.r@gmail.com>
+ *
+ * Based on dockstar.c originally written by
+ * Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu>
+ *
+ * Based on sheevaplug.c originally written by
+ * Prafulla Wadaskar <prafulla@marvell.com>
+ * (C) Copyright 2009
+ * Marvell Semiconductor <www.marvell.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ */
+
+#include <common.h>
+#include <miiphy.h>
+#include <asm/arch/kirkwood.h>
+#include <asm/arch/mpp.h>
+#include <asm/arch/cpu.h>
+#include <asm/io.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+ /* Multi-Purpose Pins Functionality configuration */
+ static const u32 kwmpp_config[] = {
+ MPP0_NF_IO2,
+ MPP1_NF_IO3,
+ MPP2_NF_IO4,
+ MPP3_NF_IO5,
+ MPP4_NF_IO6,
+ MPP5_NF_IO7,
+ MPP6_SYSRST_OUTn,
+ MPP7_GPO,
+ MPP8_UART0_RTS,
+ MPP9_UART0_CTS,
+ MPP10_UART0_TXD,
+ MPP11_UART0_RXD,
+ MPP12_SD_CLK,
+ MPP13_SD_CMD,
+ MPP14_SD_D0,
+ MPP15_SD_D1,
+ MPP16_SD_D2,
+ MPP17_SD_D3,
+ MPP18_NF_IO0,
+ MPP19_NF_IO1,
+ MPP20_GPIO,
+ MPP21_GPIO,
+ MPP22_GPIO,
+ MPP23_GPIO,
+ MPP24_GPIO,
+ MPP25_GPIO,
+ MPP26_GPIO,
+ MPP27_GPIO,
+ MPP28_GPIO,
+ MPP29_TSMP9,
+ MPP30_GPIO,
+ MPP31_GPIO,
+ MPP32_GPIO,
+ MPP33_GPIO,
+ MPP34_GPIO,
+ MPP35_GPIO,
+ MPP36_GPIO,
+ MPP37_GPIO,
+ MPP38_GPIO,
+ MPP39_GPIO,
+ MPP40_GPIO,
+ MPP41_GPIO,
+ MPP42_GPIO,
+ MPP43_GPIO,
+ MPP44_GPIO,
+ MPP45_GPIO,
+ MPP46_GPIO,
+ MPP47_GPIO,
+ MPP48_GPIO,
+ MPP49_GPIO,
+ 0
+ };
+
+ /*
+ * default gpio configuration
+ * There are maximum 64 gpios controlled through 2 sets of registers
+ * the below configuration configures mainly initial LED status
+ */
+ kw_config_gpio(GOFLEXHOME_OE_VAL_LOW,
+ GOFLEXHOME_OE_VAL_HIGH,
+ GOFLEXHOME_OE_LOW, GOFLEXHOME_OE_HIGH);
+ kirkwood_mpp_conf(kwmpp_config, NULL);
+ return 0;
+}
+
+int board_init(void)
+{
+ /*
+ * arch number of board
+ */
+ gd->bd->bi_arch_number = MACH_TYPE_GOFLEXHOME;
+
+ /* address of boot parameters */
+ gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
+
+ return 0;
+}
+
+#ifdef CONFIG_RESET_PHY_R
+/* Configure and enable MV88E1116 PHY */
+void reset_phy(void)
+{
+ u16 reg;
+ u16 devadr;
+ char *name = "egiga0";
+
+ if (miiphy_set_current_dev(name))
+ return;
+
+ /* command to read PHY dev address */
+ if (miiphy_read(name, 0xEE, 0xEE, (u16 *)&devadr)) {
+ printf("Err..%s could not read PHY dev address\n",
+ __func__);
+ return;
+ }
+
+ /*
+ * Enable RGMII delay on Tx and Rx for CPU port
+ * Ref: sec 4.7.2 of chip datasheet
+ */
+ miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
+ miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
+ reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
+ miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
+ miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
+
+ /* reset the phy */
+ miiphy_reset(name, devadr);
+
+ printf("88E1116 Initialized on %s\n", name);
+}
+#endif /* CONFIG_RESET_PHY_R */
+
+#define GREEN_LED (1 << 14)
+#define ORANGE_LED (1 << 15)
+#define BOTH_LEDS (GREEN_LED | ORANGE_LED)
+#define NEITHER_LED 0
+
+static void set_leds(u32 leds, u32 blinking)
+{
+ struct kwgpio_registers *r;
+ u32 oe;
+ u32 bl;
+
+ r = (struct kwgpio_registers *)KW_GPIO1_BASE;
+ oe = readl(&r->oe) | BOTH_LEDS;
+ writel(oe & ~leds, &r->oe); /* active low */
+ bl = readl(&r->blink_en) & ~BOTH_LEDS;
+ writel(bl | blinking, &r->blink_en);
+}
+
+void show_boot_progress(int val)
+{
+ switch (val) {
+ case BOOTSTAGE_ID_RUN_OS: /* booting Linux */
+ set_leds(BOTH_LEDS, NEITHER_LED);
+ break;
+ case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */
+ set_leds(GREEN_LED, GREEN_LED);
+ break;
+ default:
+ if (val < 0) /* error */
+ set_leds(ORANGE_LED, ORANGE_LED);
+ break;
+ }
+}