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gerrit.cesnet.cz / github / trini / u-boot / e5a504eb3d8cbc33199dac61a07d16ddd3c1c7f9 / . / board / karo / tk71 / tk71.c
blob: ed0575cb05a26a6c4a77c6635bdc88ba04f91f9d [file] [log] [blame]
Marek Vasut0ec005f2012-07-03 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 Denk1a459662013-07-08 09:37:19 +0200[diff] [blame]5 * SPDX-License-Identifier: GPL-2.0+
Marek Vasut0ec005f2012-07-03 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
15DECLARE_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
22int 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 ARIBAUD9d86f0c2012-11-26 11:27:36 +0000[diff] [blame]34 static const u32 kwmpp_config[] = {
Marek Vasut0ec005f2012-07-03 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
92int 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
112static 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, &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 */
144void reset_phy(void)
145{
146 /* configure and initialize PHY */
147 mv_phy_88e1118_init("egiga0");
148
149}
150#endif