1 /*
2  * Copyright (C) 2012
3  * David Purdy <david.c.purdy@gmail.com>
4  *
5  * Based on Kirkwood support:
6  * (C) Copyright 2009
7  * Marvell Semiconductor <www.marvell.com>
8  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
9  *
10  * SPDX-License-Identifier:	GPL-2.0+
11  */
12 
13 #include <common.h>
14 #include <miiphy.h>
15 #include <asm/arch/cpu.h>
16 #include <asm/arch/kirkwood.h>
17 #include <asm/arch/mpp.h>
18 #include "pogo_e02.h"
19 
20 DECLARE_GLOBAL_DATA_PTR;
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(POGO_E02_OE_VAL_LOW,
30 			POGO_E02_OE_VAL_HIGH,
31 			POGO_E02_OE_LOW, POGO_E02_OE_HIGH);
32 
33 	/* Multi-Purpose Pins Functionality configuration */
34 	static const u32 kwmpp_config[] = {
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_UART0_RTS,
44 		MPP9_UART0_CTS,
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 		MPP29_TSMP9,	/* USB Power Enable */
56 		MPP48_GPIO,	/* LED green */
57 		MPP49_GPIO,	/* LED orange */
58 		0
59 	};
60 	kirkwood_mpp_conf(kwmpp_config, NULL);
61 	return 0;
62 }
63 
64 int board_init(void)
65 {
66 	/* Boot parameters address */
67 	gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100;
68 
69 	return 0;
70 }
71 
72 #ifdef CONFIG_RESET_PHY_R
73 /* Configure and initialize PHY */
74 void reset_phy(void)
75 {
76 	u16 reg;
77 	u16 devadr;
78 	char *name = "egiga0";
79 
80 	if (miiphy_set_current_dev(name))
81 		return;
82 
83 	/* command to read PHY dev address */
84 	if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) {
85 		printf("Err..(%s) could not read PHY dev address\n", __func__);
86 		return;
87 	}
88 
89 	/*
90 	 * Enable RGMII delay on Tx and Rx for CPU port
91 	 * Ref: sec 4.7.2 of chip datasheet
92 	 */
93 	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2);
94 	miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, &reg);
95 	reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL);
96 	miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg);
97 	miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0);
98 
99 	/* reset the phy */
100 	miiphy_reset(name, devadr);
101 
102 	debug("88E1116 Initialized on %s\n", name);
103 }
104 #endif /* CONFIG_RESET_PHY_R */
105