| Eric Cooper | a3f41c8 | 2010-11-24 17:11:32 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu> |
| 3 | * |
| 4 | * Based on sheevaplug.c originally written by |
| 5 | * Prafulla Wadaskar <prafulla@marvell.com> |
| 6 | * (C) Copyright 2009 |
| 7 | * Marvell Semiconductor <www.marvell.com> |
| 8 | * |
| 9 | * See file CREDITS for list of people who contributed to this |
| 10 | * project. |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU General Public License as |
| 14 | * published by the Free Software Foundation; either version 2 of |
| 15 | * the License, or (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, |
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | * GNU General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU General Public License |
| 23 | * along with this program; if not, write to the Free Software |
| 24 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, |
| 25 | * MA 02110-1301 USA |
| 26 | */ |
| 27 | |
| 28 | #include <common.h> |
| 29 | #include <miiphy.h> |
| 30 | #include <asm/arch/kirkwood.h> |
| 31 | #include <asm/arch/mpp.h> |
| 32 | #include "dockstar.h" |
| 33 | |
| 34 | DECLARE_GLOBAL_DATA_PTR; |
| 35 | |
| 36 | int board_early_init_f(void) |
| 37 | { |
| 38 | /* |
| 39 | * default gpio configuration |
| 40 | * There are maximum 64 gpios controlled through 2 sets of registers |
| 41 | * the below configuration configures mainly initial LED status |
| 42 | */ |
| 43 | kw_config_gpio(DOCKSTAR_OE_VAL_LOW, |
| 44 | DOCKSTAR_OE_VAL_HIGH, |
| 45 | DOCKSTAR_OE_LOW, DOCKSTAR_OE_HIGH); |
| 46 | |
| 47 | /* Multi-Purpose Pins Functionality configuration */ |
| 48 | u32 kwmpp_config[] = { |
| 49 | MPP0_NF_IO2, |
| 50 | MPP1_NF_IO3, |
| 51 | MPP2_NF_IO4, |
| 52 | MPP3_NF_IO5, |
| 53 | MPP4_NF_IO6, |
| 54 | MPP5_NF_IO7, |
| 55 | MPP6_SYSRST_OUTn, |
| 56 | MPP7_GPO, |
| 57 | MPP8_UART0_RTS, |
| 58 | MPP9_UART0_CTS, |
| 59 | MPP10_UART0_TXD, |
| 60 | MPP11_UART0_RXD, |
| 61 | MPP12_SD_CLK, |
| 62 | MPP13_SD_CMD, |
| 63 | MPP14_SD_D0, |
| 64 | MPP15_SD_D1, |
| 65 | MPP16_SD_D2, |
| 66 | MPP17_SD_D3, |
| 67 | MPP18_NF_IO0, |
| 68 | MPP19_NF_IO1, |
| 69 | MPP20_GPIO, |
| 70 | MPP21_GPIO, |
| 71 | MPP22_GPIO, |
| 72 | MPP23_GPIO, |
| 73 | MPP24_GPIO, |
| 74 | MPP25_GPIO, |
| 75 | MPP26_GPIO, |
| 76 | MPP27_GPIO, |
| 77 | MPP28_GPIO, |
| 78 | MPP29_TSMP9, |
| 79 | MPP30_GPIO, |
| 80 | MPP31_GPIO, |
| 81 | MPP32_GPIO, |
| 82 | MPP33_GPIO, |
| 83 | MPP34_GPIO, |
| 84 | MPP35_GPIO, |
| 85 | MPP36_GPIO, |
| 86 | MPP37_GPIO, |
| 87 | MPP38_GPIO, |
| 88 | MPP39_GPIO, |
| 89 | MPP40_GPIO, |
| 90 | MPP41_GPIO, |
| 91 | MPP42_GPIO, |
| 92 | MPP43_GPIO, |
| 93 | MPP44_GPIO, |
| 94 | MPP45_GPIO, |
| 95 | MPP46_GPIO, |
| 96 | MPP47_GPIO, |
| 97 | MPP48_GPIO, |
| 98 | MPP49_GPIO, |
| 99 | 0 |
| 100 | }; |
| 101 | kirkwood_mpp_conf(kwmpp_config); |
| 102 | return 0; |
| 103 | } |
| 104 | |
| 105 | int board_init(void) |
| 106 | { |
| 107 | /* |
| 108 | * arch number of board |
| 109 | */ |
| 110 | gd->bd->bi_arch_number = MACH_TYPE_DOCKSTAR; |
| 111 | |
| 112 | /* address of boot parameters */ |
| 113 | gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; |
| 114 | |
| 115 | return 0; |
| 116 | } |
| 117 | |
| 118 | #ifdef CONFIG_RESET_PHY_R |
| 119 | /* Configure and enable MV88E1116 PHY */ |
| 120 | void reset_phy(void) |
| 121 | { |
| 122 | u16 reg; |
| 123 | u16 devadr; |
| 124 | char *name = "egiga0"; |
| 125 | |
| 126 | if (miiphy_set_current_dev(name)) |
| 127 | return; |
| 128 | |
| 129 | /* command to read PHY dev address */ |
| 130 | if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) { |
| 131 | printf("Err..%s could not read PHY dev address\n", |
| 132 | __FUNCTION__); |
| 133 | return; |
| 134 | } |
| 135 | |
| 136 | /* |
| 137 | * Enable RGMII delay on Tx and Rx for CPU port |
| 138 | * Ref: sec 4.7.2 of chip datasheet |
| 139 | */ |
| 140 | miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2); |
| 141 | miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®); |
| 142 | reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL); |
| 143 | miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg); |
| 144 | miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0); |
| 145 | |
| 146 | /* reset the phy */ |
| 147 | miiphy_reset(name, devadr); |
| 148 | |
| 149 | printf("88E1116 Initialized on %s\n", name); |
| 150 | } |
| 151 | #endif /* CONFIG_RESET_PHY_R */ |
| 152 | |
| 153 | #define GREEN_LED (1 << 14) |
| 154 | #define ORANGE_LED (1 << 15) |
| 155 | #define BOTH_LEDS (GREEN_LED | ORANGE_LED) |
| 156 | #define NEITHER_LED 0 |
| 157 | |
| 158 | static void set_leds(u32 leds, u32 blinking) |
| 159 | { |
| 160 | struct kwgpio_registers *r = (struct kwgpio_registers *)KW_GPIO1_BASE; |
| 161 | u32 oe = readl(&r->oe) | BOTH_LEDS; |
| 162 | writel(oe & ~leds, &r->oe); /* active low */ |
| 163 | u32 bl = readl(&r->blink_en) & ~BOTH_LEDS; |
| 164 | writel(bl | blinking, &r->blink_en); |
| 165 | } |
| 166 | |
| 167 | void show_boot_progress(int val) |
| 168 | { |
| 169 | switch (val) { |
| 170 | case 15: /* booting Linux */ |
| 171 | set_leds(BOTH_LEDS, NEITHER_LED); |
| 172 | break; |
| 173 | case 64: /* Ethernet initialization */ |
| 174 | set_leds(GREEN_LED, GREEN_LED); |
| 175 | break; |
| 176 | default: |
| 177 | if (val < 0) /* error */ |
| 178 | set_leds(ORANGE_LED, ORANGE_LED); |
| 179 | break; |
| 180 | } |
| 181 | } |