From 38041db7401e4410134338a75de20ee49e4896ad Mon Sep 17 00:00:00 2001 From: Eric Cooper <[ecc@cmu.edu]> Date: Wed, 24 Nov 2010 17:11:32 +0530 Subject: Seagate FreeAgent DockStar support start with sheevaplug configuration add modifications by Alexander Holler change RAM definitions to one bank (128 MB) change ident string and prompt define MTD partitions and default environment variables add support for LEDs Signed-off-by: Eric Cooper --- board/Seagate/dockstar/dockstar.c | 181 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 181 insertions(+) create mode 100644 board/Seagate/dockstar/dockstar.c (limited to 'board/Seagate/dockstar/dockstar.c') diff --git a/board/Seagate/dockstar/dockstar.c b/board/Seagate/dockstar/dockstar.c new file mode 100644 index 0000000..cab3a83 --- /dev/null +++ b/board/Seagate/dockstar/dockstar.c @@ -0,0 +1,181 @@ +/* + * Copyright (C) 2010 Eric C. Cooper + * + * Based on sheevaplug.c originally written by + * Prafulla Wadaskar + * (C) Copyright 2009 + * Marvell Semiconductor + * + * 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 +#include +#include +#include +#include "dockstar.h" + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + /* + * 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(DOCKSTAR_OE_VAL_LOW, + DOCKSTAR_OE_VAL_HIGH, + DOCKSTAR_OE_LOW, DOCKSTAR_OE_HIGH); + + /* Multi-Purpose Pins Functionality configuration */ + 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 + }; + kirkwood_mpp_conf(kwmpp_config); + return 0; +} + +int board_init(void) +{ + /* + * arch number of board + */ + gd->bd->bi_arch_number = MACH_TYPE_DOCKSTAR; + + /* 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", + __FUNCTION__); + 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 = (struct kwgpio_registers *)KW_GPIO1_BASE; + u32 oe = readl(&r->oe) | BOTH_LEDS; + writel(oe & ~leds, &r->oe); /* active low */ + u32 bl = readl(&r->blink_en) & ~BOTH_LEDS; + writel(bl | blinking, &r->blink_en); +} + +void show_boot_progress(int val) +{ + switch (val) { + case 15: /* booting Linux */ + set_leds(BOTH_LEDS, NEITHER_LED); + break; + case 64: /* Ethernet initialization */ + set_leds(GREEN_LED, GREEN_LED); + break; + default: + if (val < 0) /* error */ + set_leds(ORANGE_LED, ORANGE_LED); + break; + } +} -- cgit v1.1