1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * (C) Copyright 2009
4  * Marvell Semiconductor <www.marvell.com>
5  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
6  */
7 
8 #include <common.h>
9 #include <miiphy.h>
10 #include <asm/mach-types.h>
11 #include <asm/arch/cpu.h>
12 #include <asm/arch/soc.h>
13 #include <asm/arch/mpp.h>
14 #include "sheevaplug.h"
15 
16 DECLARE_GLOBAL_DATA_PTR;
17 
18 int board_early_init_f(void)
19 {
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 	 */
25 	mvebu_config_gpio(SHEEVAPLUG_OE_VAL_LOW,
26 			  SHEEVAPLUG_OE_VAL_HIGH,
27 			  SHEEVAPLUG_OE_LOW, SHEEVAPLUG_OE_HIGH);
28 
29 	/* Multi-Purpose Pins Functionality configuration */
30 	static const u32 kwmpp_config[] = {
31 		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,
39 		MPP8_UART0_RTS,
40 		MPP9_UART0_CTS,
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_GPIO,
52 		MPP21_GPIO,
53 		MPP22_GPIO,
54 		MPP23_GPIO,
55 		MPP24_GPIO,
56 		MPP25_GPIO,
57 		MPP26_GPIO,
58 		MPP27_GPIO,
59 		MPP28_GPIO,
60 		MPP29_TSMP9,
61 		MPP30_GPIO,
62 		MPP31_GPIO,
63 		MPP32_GPIO,
64 		MPP33_GPIO,
65 		MPP34_GPIO,
66 		MPP35_GPIO,
67 		MPP36_GPIO,
68 		MPP37_GPIO,
69 		MPP38_GPIO,
70 		MPP39_GPIO,
71 		MPP40_GPIO,
72 		MPP41_GPIO,
73 		MPP42_GPIO,
74 		MPP43_GPIO,
75 		MPP44_GPIO,
76 		MPP45_GPIO,
77 		MPP46_GPIO,
78 		MPP47_GPIO,
79 		MPP48_GPIO,
80 		MPP49_GPIO,
81 		0
82 	};
83 	kirkwood_mpp_conf(kwmpp_config, NULL);
84 	return 0;
85 }
86 
87 int board_init(void)
88 {
89 	/*
90 	 * arch number of board
91 	 */
92 	gd->bd->bi_arch_number = MACH_TYPE_SHEEVAPLUG;
93 
94 	/* adress of boot parameters */
95 	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
96 
97 	return 0;
98 }
99 
100 #ifdef CONFIG_RESET_PHY_R
101 /* Configure and enable MV88E1116 PHY */
102 void reset_phy(void)
103 {
104 	u16 reg;
105 	u16 devadr;
106 	char *name = "egiga0";
107 
108 	if (miiphy_set_current_dev(name))
109 		return;
110 
111 	/* command to read PHY dev address */
112 	if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
113 		printf("Err..%s could not read PHY dev address\n",
114 			__FUNCTION__);
115 		return;
116 	}
117 
118 	/*
119 	 * Enable RGMII delay on Tx and Rx for CPU port
120 	 * Ref: sec 4.7.2 of chip datasheet
121 	 */
122 	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
123 	miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
124 	reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
125 	miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
126 	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
127 
128 	/* reset the phy */
129 	miiphy_reset(name, devadr);
130 
131 	printf("88E1116 Initialized on %s\n", name);
132 }
133 #endif /* CONFIG_RESET_PHY_R */
134