diff options
Diffstat (limited to 'board/Seagate/goflexhome/goflexhome.c')
| -rw-r--r-- | board/Seagate/goflexhome/goflexhome.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/board/Seagate/goflexhome/goflexhome.c b/board/Seagate/goflexhome/goflexhome.c new file mode 100644 index 0000000..17c1905 --- /dev/null +++ b/board/Seagate/goflexhome/goflexhome.c @@ -0,0 +1,189 @@ +/* + * 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 |= (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; + } +} |