Marek Vasut | f809da4 | 2012-07-03 03:02:20 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Marek Vasut <marex@denx.de> |
| 3 | * on behalf of DENX Software Engineering GmbH |
| 4 | * |
Wolfgang Denk | d79de1d | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 5 | * SPDX-License-Identifier: GPL-2.0+ |
Marek Vasut | f809da4 | 2012-07-03 03:02:20 +0000 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #include <common.h> |
| 9 | #include <miiphy.h> |
| 10 | #include <asm/arch/cpu.h> |
| 11 | #include <asm/arch/kirkwood.h> |
| 12 | #include <asm/arch/mpp.h> |
| 13 | #include <asm/io.h> |
| 14 | |
| 15 | DECLARE_GLOBAL_DATA_PTR; |
| 16 | |
| 17 | #define TK71_OE_LOW (~0) |
| 18 | #define TK71_OE_HIGH (~0) |
| 19 | #define TK71_OE_VAL_LOW (0) |
| 20 | #define TK71_OE_VAL_HIGH (0) |
| 21 | |
| 22 | int board_early_init_f(void) |
| 23 | { |
| 24 | /* |
| 25 | * default gpio configuration |
| 26 | * There are maximum 64 gpios controlled through 2 sets of registers |
| 27 | * the below configuration configures mainly initial LED status |
| 28 | */ |
| 29 | kw_config_gpio(TK71_OE_VAL_LOW, |
| 30 | TK71_OE_VAL_HIGH, |
| 31 | TK71_OE_LOW, TK71_OE_HIGH); |
| 32 | |
| 33 | /* Multi-Purpose Pins Functionality configuration */ |
Albert ARIBAUD | 4d42431 | 2012-11-26 11:27:36 +0000 | [diff] [blame] | 34 | static const u32 kwmpp_config[] = { |
Marek Vasut | f809da4 | 2012-07-03 03:02:20 +0000 | [diff] [blame] | 35 | MPP0_NF_IO2, |
| 36 | MPP1_NF_IO3, |
| 37 | MPP2_NF_IO4, |
| 38 | MPP3_NF_IO5, |
| 39 | MPP4_NF_IO6, |
| 40 | MPP5_NF_IO7, |
| 41 | MPP6_SYSRST_OUTn, |
| 42 | MPP7_GPO, |
| 43 | MPP8_TW_SDA, |
| 44 | MPP9_TW_SCK, |
| 45 | MPP10_UART0_TXD, |
| 46 | MPP11_UART0_RXD, |
| 47 | MPP12_SD_CLK, |
| 48 | MPP13_SD_CMD, |
| 49 | MPP14_SD_D0, |
| 50 | MPP15_SD_D1, |
| 51 | MPP16_SD_D2, |
| 52 | MPP17_SD_D3, |
| 53 | MPP18_NF_IO0, |
| 54 | MPP19_NF_IO1, |
| 55 | MPP20_GE1_0, |
| 56 | MPP21_GE1_1, |
| 57 | MPP22_GE1_2, |
| 58 | MPP23_GE1_3, |
| 59 | MPP24_GE1_4, |
| 60 | MPP25_GE1_5, |
| 61 | MPP26_GE1_6, |
| 62 | MPP27_GE1_7, |
| 63 | MPP28_GPIO, |
| 64 | MPP29_GPIO, |
| 65 | MPP30_GE1_10, |
| 66 | MPP31_GE1_11, |
| 67 | MPP32_GE1_12, |
| 68 | MPP33_GE1_13, |
| 69 | MPP34_GPIO, |
| 70 | MPP35_GPIO, |
| 71 | MPP36_GPIO, |
| 72 | MPP37_GPIO, |
| 73 | MPP38_GPIO, |
| 74 | MPP39_GPIO, |
| 75 | MPP40_GPIO, |
| 76 | MPP41_GPIO, |
| 77 | MPP42_GPIO, |
| 78 | MPP43_GPIO, |
| 79 | MPP44_GPIO, |
| 80 | MPP45_GPIO, |
| 81 | MPP46_GPIO, |
| 82 | MPP47_GPIO, |
| 83 | MPP48_GPIO, |
| 84 | MPP49_GPIO, |
| 85 | 0 |
| 86 | }; |
| 87 | kirkwood_mpp_conf(kwmpp_config, NULL); |
| 88 | |
| 89 | return 0; |
| 90 | } |
| 91 | |
| 92 | int board_init(void) |
| 93 | { |
| 94 | /* |
| 95 | * arch number of board |
| 96 | */ |
| 97 | gd->bd->bi_arch_number = CONFIG_MACH_TYPE; |
| 98 | |
| 99 | /* adress of boot parameters */ |
| 100 | gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; |
| 101 | |
| 102 | return 0; |
| 103 | } |
| 104 | |
| 105 | #ifdef CONFIG_CMD_NET |
| 106 | |
| 107 | #define MV88E1116_MAC_CTRL2_REG 21 |
| 108 | #define MV88E1116_PGADR_REG 22 |
| 109 | #define MV88E1116_RGMII_TXTM_CTRL (1 << 4) |
| 110 | #define MV88E1116_RGMII_RXTM_CTRL (1 << 5) |
| 111 | |
| 112 | static void mv_phy_88e1118_init(char *name) |
| 113 | { |
| 114 | u16 reg; |
| 115 | u16 devadr; |
| 116 | |
| 117 | if (miiphy_set_current_dev(name)) |
| 118 | return; |
| 119 | |
| 120 | /* command to read PHY dev address */ |
| 121 | if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) { |
| 122 | printf("Err..%s could not read PHY dev address\n", |
| 123 | __func__); |
| 124 | return; |
| 125 | } |
| 126 | |
| 127 | /* |
| 128 | * Enable RGMII delay on Tx and Rx for CPU port |
| 129 | * Ref: sec 4.7.2 of chip datasheet |
| 130 | */ |
| 131 | miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2); |
| 132 | miiphy_read(name, devadr, MV88E1116_MAC_CTRL2_REG, ®); |
| 133 | reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL); |
| 134 | miiphy_write(name, devadr, MV88E1116_MAC_CTRL2_REG, reg); |
| 135 | miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0); |
| 136 | |
| 137 | /* reset the phy */ |
| 138 | miiphy_reset(name, devadr); |
| 139 | |
| 140 | printf("88E1118 Initialized on %s\n", name); |
| 141 | } |
| 142 | |
| 143 | /* Configure and enable Switch and PHY */ |
| 144 | void reset_phy(void) |
| 145 | { |
| 146 | /* configure and initialize PHY */ |
| 147 | mv_phy_88e1118_init("egiga0"); |
| 148 | |
| 149 | } |
| 150 | #endif |