1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2021-2022 Tony Dinh <mibodhi@gmail.com>
4 * Copyright (C) 2013-2021 Suriyan Ramasami <suriyan.r@gmail.com>
5 *
6 * Based on dockstar.c originally written by
7 * Copyright (C) 2010 Eric C. Cooper <ecc@cmu.edu>
8 *
9 * Based on sheevaplug.c originally written by
10 * Prafulla Wadaskar <prafulla@marvell.com>
11 * (C) Copyright 2009
12 * Marvell Semiconductor <www.marvell.com>
13 */
14
15 #include <common.h>
16 #include <bootstage.h>
17 #include <init.h>
18 #include <netdev.h>
19 #include <asm/global_data.h>
20 #include <asm/mach-types.h>
21 #include <asm/arch/soc.h>
22 #include <asm/arch/mpp.h>
23 #include <asm/arch/cpu.h>
24 #include <asm/io.h>
25 #include <linux/bitops.h>
26
27 DECLARE_GLOBAL_DATA_PTR;
28
board_early_init_f(void)29 int board_early_init_f(void)
30 {
31 /* Multi-Purpose Pins Functionality configuration */
32 static const u32 kwmpp_config[] = {
33 MPP0_NF_IO2,
34 MPP1_NF_IO3,
35 MPP2_NF_IO4,
36 MPP3_NF_IO5,
37 MPP4_NF_IO6,
38 MPP5_NF_IO7,
39 MPP6_SYSRST_OUTn,
40 MPP7_GPO,
41 MPP8_UART0_RTS,
42 MPP9_UART0_CTS,
43 MPP10_UART0_TXD,
44 MPP11_UART0_RXD,
45 MPP12_SD_CLK,
46 MPP13_SD_CMD,
47 MPP14_SD_D0,
48 MPP15_SD_D1,
49 MPP16_SD_D2,
50 MPP17_SD_D3,
51 MPP18_NF_IO0,
52 MPP19_NF_IO1,
53 MPP20_GPIO,
54 MPP21_GPIO,
55 MPP22_GPIO,
56 MPP23_GPIO,
57 MPP24_GPIO,
58 MPP25_GPIO,
59 MPP26_GPIO,
60 MPP27_GPIO,
61 MPP28_GPIO,
62 MPP29_TSMP9,
63 MPP30_GPIO,
64 MPP31_GPIO,
65 MPP32_GPIO,
66 MPP33_GPIO,
67 MPP34_GPIO,
68 MPP35_GPIO,
69 MPP36_GPIO,
70 MPP37_GPIO,
71 MPP38_GPIO,
72 MPP39_GPIO,
73 MPP40_GPIO,
74 MPP41_GPIO,
75 MPP42_GPIO,
76 MPP43_GPIO,
77 MPP44_GPIO,
78 MPP45_GPIO,
79 MPP46_GPIO,
80 MPP47_GPIO,
81 MPP48_GPIO,
82 MPP49_GPIO,
83 0
84 };
85
86 /*
87 * default gpio configuration
88 * There are maximum 64 gpios controlled through 2 sets of registers
89 * the below configuration configures mainly initial LED status
90 */
91 mvebu_config_gpio(GOFLEXHOME_OE_VAL_LOW,
92 GOFLEXHOME_OE_VAL_HIGH,
93 GOFLEXHOME_OE_LOW, GOFLEXHOME_OE_HIGH);
94 kirkwood_mpp_conf(kwmpp_config, NULL);
95 return 0;
96 }
97
board_eth_init(struct bd_info * bis)98 int board_eth_init(struct bd_info *bis)
99 {
100 return cpu_eth_init(bis);
101 }
102
board_init(void)103 int board_init(void)
104 {
105 /*
106 * arch number of board
107 */
108 gd->bd->bi_arch_number = MACH_TYPE_GOFLEXHOME;
109
110 /* address of boot parameters */
111 gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
112
113 return 0;
114 }
115
116 #if CONFIG_IS_ENABLED(BOOTSTAGE)
117 #define GREEN_LED BIT(14)
118 #define ORANGE_LED BIT(15)
119 #define BOTH_LEDS (GREEN_LED | ORANGE_LED)
120 #define NEITHER_LED 0
121
set_leds(u32 leds,u32 blinking)122 static void set_leds(u32 leds, u32 blinking)
123 {
124 struct kwgpio_registers *r;
125 u32 oe;
126 u32 bl;
127
128 r = (struct kwgpio_registers *)MVEBU_GPIO1_BASE;
129 oe = readl(&r->oe) | BOTH_LEDS;
130 writel(oe & ~leds, &r->oe); /* active low */
131 bl = readl(&r->blink_en) & ~BOTH_LEDS;
132 writel(bl | blinking, &r->blink_en);
133 }
134
show_boot_progress(int val)135 void show_boot_progress(int val)
136 {
137 switch (val) {
138 case BOOTSTAGE_ID_RUN_OS: /* booting Linux */
139 set_leds(BOTH_LEDS, NEITHER_LED);
140 break;
141 case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */
142 set_leds(GREEN_LED, GREEN_LED);
143 break;
144 default:
145 if (val < 0) /* error */
146 set_leds(ORANGE_LED, ORANGE_LED);
147 break;
148 }
149 }
150 #endif
151