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Siddarth Gore16b76702010-03-18 20:25:40 +05301/*
2 * (C) Copyright 2009
3 * Marvell Semiconductor <www.marvell.com>
4 * Written-by: Siddarth Gore <gores@marvell.com>
5 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02006 * SPDX-License-Identifier: GPL-2.0+
Siddarth Gore16b76702010-03-18 20:25:40 +05307 */
8
9#include <common.h>
10#include <miiphy.h>
Lei Wena7efd712011-10-18 20:11:42 +053011#include <asm/arch/cpu.h>
Stefan Roese3dc23f72014-10-22 12:13:06 +020012#include <asm/arch/soc.h>
Siddarth Gore16b76702010-03-18 20:25:40 +053013#include <asm/arch/mpp.h>
14#include "guruplug.h"
15
16DECLARE_GLOBAL_DATA_PTR;
17
Prafulla Wadaskar754ae3f2010-10-20 20:12:27 +053018int board_early_init_f(void)
Siddarth Gore16b76702010-03-18 20:25:40 +053019{
20 /*
21 * default gpio configuration
22 * There are maximum 64 gpios controlled through 2 sets of registers
23 * the below configuration configures mainly initial LED status
24 */
Stefan Roesed5c51322014-10-22 12:13:11 +020025 mvebu_config_gpio(GURUPLUG_OE_VAL_LOW,
26 GURUPLUG_OE_VAL_HIGH,
27 GURUPLUG_OE_LOW, GURUPLUG_OE_HIGH);
Siddarth Gore16b76702010-03-18 20:25:40 +053028
29 /* Multi-Purpose Pins Functionality configuration */
Albert ARIBAUD9d86f0c2012-11-26 11:27:36 +000030 static const u32 kwmpp_config[] = {
Siddarth Gore16b76702010-03-18 20:25:40 +053031 MPP0_NF_IO2,
32 MPP1_NF_IO3,
33 MPP2_NF_IO4,
34 MPP3_NF_IO5,
35 MPP4_NF_IO6,
36 MPP5_NF_IO7,
37 MPP6_SYSRST_OUTn,
38 MPP7_GPO, /* GPIO_RST */
39 MPP8_TW_SDA,
40 MPP9_TW_SCK,
41 MPP10_UART0_TXD,
42 MPP11_UART0_RXD,
43 MPP12_SD_CLK,
44 MPP13_SD_CMD,
45 MPP14_SD_D0,
46 MPP15_SD_D1,
47 MPP16_SD_D2,
48 MPP17_SD_D3,
49 MPP18_NF_IO0,
50 MPP19_NF_IO1,
51 MPP20_GE1_0,
52 MPP21_GE1_1,
53 MPP22_GE1_2,
54 MPP23_GE1_3,
55 MPP24_GE1_4,
56 MPP25_GE1_5,
57 MPP26_GE1_6,
58 MPP27_GE1_7,
59 MPP28_GE1_8,
60 MPP29_GE1_9,
61 MPP30_GE1_10,
62 MPP31_GE1_11,
63 MPP32_GE1_12,
64 MPP33_GE1_13,
65 MPP34_GE1_14,
66 MPP35_GE1_15,
67 MPP36_GPIO,
68 MPP37_GPIO,
69 MPP38_GPIO,
70 MPP39_GPIO,
71 MPP40_TDM_SPI_SCK,
72 MPP41_TDM_SPI_MISO,
73 MPP42_TDM_SPI_MOSI,
74 MPP43_GPIO,
75 MPP44_GPIO,
76 MPP45_GPIO,
77 MPP46_GPIO, /* M_RLED */
78 MPP47_GPIO, /* M_GLED */
79 MPP48_GPIO, /* B_RLED */
80 MPP49_GPIO, /* B_GLED */
81 0
82 };
Valentin Longchamp84683632012-06-01 01:31:00 +000083 kirkwood_mpp_conf(kwmpp_config, NULL);
Prafulla Wadaskar754ae3f2010-10-20 20:12:27 +053084 return 0;
85}
Siddarth Gore16b76702010-03-18 20:25:40 +053086
Prafulla Wadaskar754ae3f2010-10-20 20:12:27 +053087int board_init(void)
88{
Siddarth Gore16b76702010-03-18 20:25:40 +053089 /*
90 * arch number of board
91 */
92 gd->bd->bi_arch_number = MACH_TYPE_GURUPLUG;
93
94 /* adress of boot parameters */
95 gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
96
97 return 0;
98}
99
Siddarth Gore16b76702010-03-18 20:25:40 +0530100#ifdef CONFIG_RESET_PHY_R
101void mv_phy_88e1121_init(char *name)
102{
103 u16 reg;
104 u16 devadr;
105
106 if (miiphy_set_current_dev(name))
107 return;
108
109 /* command to read PHY dev address */
110 if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
111 printf("Err..%s could not read PHY dev address\n",
112 __FUNCTION__);
113 return;
114 }
115
116 /*
117 * Enable RGMII delay on Tx and Rx for CPU port
118 * Ref: sec 4.7.2 of chip datasheet
119 */
120 miiphy_write(name, devadr, MV88E1121_PGADR_REG, 2);
121 miiphy_read(name, devadr, MV88E1121_MAC_CTRL2_REG, &reg);
122 reg |= (MV88E1121_RGMII_RXTM_CTRL | MV88E1121_RGMII_TXTM_CTRL);
123 miiphy_write(name, devadr, MV88E1121_MAC_CTRL2_REG, reg);
124 miiphy_write(name, devadr, MV88E1121_PGADR_REG, 0);
125
126 /* reset the phy */
Mahavir Jain3f786bb2010-05-21 14:37:48 +0530127 miiphy_reset(name, devadr);
Siddarth Gore16b76702010-03-18 20:25:40 +0530128
129 printf("88E1121 Initialized on %s\n", name);
130}
131
132void reset_phy(void)
133{
134 /* configure and initialize both PHY's */
135 mv_phy_88e1121_init("egiga0");
136 mv_phy_88e1121_init("egiga1");
137}
138#endif /* CONFIG_RESET_PHY_R */