mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-11 15:37:23 +00:00
38041db740
start with sheevaplug configuration
add modifications by Alexander Holler <holler@ahsoftware.de>
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 <ecc@cmu.edu>
181 lines
4 KiB
C
181 lines
4 KiB
C
/*
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* Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu>
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*
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* Based on sheevaplug.c originally written by
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* Prafulla Wadaskar <prafulla@marvell.com>
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* (C) Copyright 2009
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* Marvell Semiconductor <www.marvell.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include <common.h>
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#include <miiphy.h>
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#include <asm/arch/kirkwood.h>
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#include <asm/arch/mpp.h>
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#include "dockstar.h"
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DECLARE_GLOBAL_DATA_PTR;
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int board_early_init_f(void)
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{
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/*
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* default gpio configuration
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* There are maximum 64 gpios controlled through 2 sets of registers
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* the below configuration configures mainly initial LED status
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*/
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kw_config_gpio(DOCKSTAR_OE_VAL_LOW,
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DOCKSTAR_OE_VAL_HIGH,
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DOCKSTAR_OE_LOW, DOCKSTAR_OE_HIGH);
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/* Multi-Purpose Pins Functionality configuration */
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u32 kwmpp_config[] = {
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MPP0_NF_IO2,
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MPP1_NF_IO3,
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MPP2_NF_IO4,
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MPP3_NF_IO5,
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MPP4_NF_IO6,
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MPP5_NF_IO7,
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MPP6_SYSRST_OUTn,
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MPP7_GPO,
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MPP8_UART0_RTS,
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MPP9_UART0_CTS,
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MPP10_UART0_TXD,
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MPP11_UART0_RXD,
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MPP12_SD_CLK,
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MPP13_SD_CMD,
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MPP14_SD_D0,
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MPP15_SD_D1,
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MPP16_SD_D2,
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MPP17_SD_D3,
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MPP18_NF_IO0,
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MPP19_NF_IO1,
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MPP20_GPIO,
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MPP21_GPIO,
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MPP22_GPIO,
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MPP23_GPIO,
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MPP24_GPIO,
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MPP25_GPIO,
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MPP26_GPIO,
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MPP27_GPIO,
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MPP28_GPIO,
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MPP29_TSMP9,
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MPP30_GPIO,
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MPP31_GPIO,
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MPP32_GPIO,
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MPP33_GPIO,
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MPP34_GPIO,
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MPP35_GPIO,
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MPP36_GPIO,
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MPP37_GPIO,
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MPP38_GPIO,
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MPP39_GPIO,
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MPP40_GPIO,
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MPP41_GPIO,
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MPP42_GPIO,
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MPP43_GPIO,
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MPP44_GPIO,
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MPP45_GPIO,
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MPP46_GPIO,
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MPP47_GPIO,
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MPP48_GPIO,
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MPP49_GPIO,
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0
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};
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kirkwood_mpp_conf(kwmpp_config);
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return 0;
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}
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int board_init(void)
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{
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/*
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* arch number of board
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*/
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gd->bd->bi_arch_number = MACH_TYPE_DOCKSTAR;
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/* address of boot parameters */
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gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
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return 0;
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}
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#ifdef CONFIG_RESET_PHY_R
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/* Configure and enable MV88E1116 PHY */
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void reset_phy(void)
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{
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u16 reg;
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u16 devadr;
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char *name = "egiga0";
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if (miiphy_set_current_dev(name))
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return;
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/* command to read PHY dev address */
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if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
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printf("Err..%s could not read PHY dev address\n",
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__FUNCTION__);
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return;
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}
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/*
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* Enable RGMII delay on Tx and Rx for CPU port
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* Ref: sec 4.7.2 of chip datasheet
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*/
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miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
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miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®);
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reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
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miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
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miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
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/* reset the phy */
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miiphy_reset(name, devadr);
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printf("88E1116 Initialized on %s\n", name);
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}
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#endif /* CONFIG_RESET_PHY_R */
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#define GREEN_LED (1 << 14)
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#define ORANGE_LED (1 << 15)
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#define BOTH_LEDS (GREEN_LED | ORANGE_LED)
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#define NEITHER_LED 0
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static void set_leds(u32 leds, u32 blinking)
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{
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struct kwgpio_registers *r = (struct kwgpio_registers *)KW_GPIO1_BASE;
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u32 oe = readl(&r->oe) | BOTH_LEDS;
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writel(oe & ~leds, &r->oe); /* active low */
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u32 bl = readl(&r->blink_en) & ~BOTH_LEDS;
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writel(bl | blinking, &r->blink_en);
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}
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void show_boot_progress(int val)
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{
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switch (val) {
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case 15: /* booting Linux */
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set_leds(BOTH_LEDS, NEITHER_LED);
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break;
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case 64: /* Ethernet initialization */
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set_leds(GREEN_LED, GREEN_LED);
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break;
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default:
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if (val < 0) /* error */
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set_leds(ORANGE_LED, ORANGE_LED);
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break;
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}
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}
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