Tony Dinh | 6e36f66 | 2022-01-23 22:17:12 -0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright (C) 2014-2022 Tony Dinh <mibodhi@gmail.com> |
| 4 | * |
| 5 | * Based on |
| 6 | * Copyright (C) 2012 David Purdy <david.c.purdy@gmail.com> |
| 7 | * |
| 8 | * Based on Kirkwood support: |
| 9 | * (C) Copyright 2009 |
| 10 | * Marvell Semiconductor <www.marvell.com> |
| 11 | * Written-by: Prafulla Wadaskar <prafulla@marvell.com> |
| 12 | */ |
| 13 | |
| 14 | #include <common.h> |
| 15 | #include <netdev.h> |
| 16 | #include <asm/arch/cpu.h> |
| 17 | #include <asm/arch/soc.h> |
| 18 | #include <asm/arch/mpp.h> |
| 19 | #include <asm/io.h> |
| 20 | #include <asm/arch/gpio.h> |
| 21 | #include <asm/mach-types.h> |
| 22 | #include <bootstage.h> |
| 23 | #include <command.h> |
| 24 | #include <init.h> |
| 25 | #include <linux/bitops.h> |
| 26 | |
| 27 | DECLARE_GLOBAL_DATA_PTR; |
| 28 | |
| 29 | /* GPIO configuration */ |
| 30 | #define POGO_V4_OE_LOW (~(0)) |
| 31 | #define POGO_V4_OE_HIGH (~(0)) |
| 32 | #define POGO_V4_OE_VAL_LOW BIT(29) |
| 33 | #define POGO_V4_OE_VAL_HIGH 0 |
| 34 | |
| 35 | /* button */ |
| 36 | #define BTN_EJECT 29 |
| 37 | |
| 38 | int board_early_init_f(void) |
| 39 | { |
| 40 | /* |
| 41 | * default gpio configuration |
| 42 | * There are maximum 64 gpios controlled through 2 sets of registers |
| 43 | * the below configuration configures mainly initial LED status |
| 44 | */ |
| 45 | mvebu_config_gpio(POGO_V4_OE_VAL_LOW, |
| 46 | POGO_V4_OE_VAL_HIGH, |
| 47 | POGO_V4_OE_LOW, POGO_V4_OE_HIGH); |
| 48 | |
| 49 | /* Multi-Purpose Pins Functionality configuration */ |
| 50 | u32 kwmpp_config[] = { |
| 51 | MPP0_NF_IO2, |
| 52 | MPP1_NF_IO3, |
| 53 | MPP2_NF_IO4, |
| 54 | MPP3_NF_IO5, |
| 55 | MPP4_NF_IO6, |
| 56 | MPP5_NF_IO7, |
| 57 | MPP6_SYSRST_OUTn, |
| 58 | MPP7_GPO, |
| 59 | MPP8_TW_SDA, |
| 60 | MPP9_TW_SCK, |
| 61 | MPP10_UART0_TXD, |
| 62 | MPP11_UART0_RXD, |
| 63 | MPP12_SD_CLK, |
| 64 | MPP13_SD_CMD, |
| 65 | MPP14_SD_D0, |
| 66 | MPP15_SD_D1, |
| 67 | MPP16_SD_D2, |
| 68 | MPP17_SD_D3, |
| 69 | MPP18_NF_IO0, |
| 70 | MPP19_NF_IO1, |
| 71 | MPP20_SATA1_ACTn, |
| 72 | MPP21_SATA0_ACTn, |
| 73 | MPP22_GPIO, /* Green LED */ |
| 74 | MPP23_GPIO, |
| 75 | MPP24_GPIO, /* Red LED */ |
| 76 | MPP25_GPIO, |
| 77 | MPP26_GPIO, |
| 78 | MPP27_GPIO, |
| 79 | MPP28_GPIO, |
| 80 | MPP29_GPIO, /* Eject button */ |
| 81 | MPP30_GPIO, |
| 82 | MPP31_GPIO, |
| 83 | MPP32_GPIO, |
| 84 | MPP33_GPIO, |
| 85 | MPP34_GPIO, |
| 86 | MPP35_GPIO, /* FR6192 has only 36 GPIOs */ |
| 87 | 0 |
| 88 | }; |
| 89 | kirkwood_mpp_conf(kwmpp_config, NULL); |
| 90 | |
| 91 | return 0; |
| 92 | } |
| 93 | |
| 94 | int board_eth_init(struct bd_info *bis) |
| 95 | { |
| 96 | return cpu_eth_init(bis); |
| 97 | } |
| 98 | |
| 99 | int board_late_init(void) |
| 100 | { |
| 101 | /* Do late init to ensure successful enumeration of XHCI devices */ |
| 102 | pci_init(); |
| 103 | return 0; |
| 104 | } |
| 105 | |
| 106 | int board_init(void) |
| 107 | { |
| 108 | /* Boot parameters address */ |
| 109 | gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; |
| 110 | |
| 111 | return 0; |
| 112 | } |
| 113 | |
| 114 | #if CONFIG_IS_ENABLED(BOOTSTAGE) |
| 115 | #define GREEN_LED BIT(22) |
| 116 | #define RED_LED BIT(24) |
| 117 | #define BOTH_LEDS (GREEN_LED | RED_LED) |
| 118 | #define NEITHER_LED 0 |
| 119 | |
| 120 | static void set_leds(u32 leds, u32 blinking) |
| 121 | { |
| 122 | struct kwgpio_registers *r; |
| 123 | u32 oe; |
| 124 | u32 bl; |
| 125 | |
| 126 | r = (struct kwgpio_registers *)MVEBU_GPIO0_BASE; |
| 127 | oe = readl(&r->oe) | BOTH_LEDS; |
| 128 | writel(oe & ~leds, &r->oe); /* active low */ |
| 129 | bl = readl(&r->blink_en) & ~BOTH_LEDS; |
| 130 | writel(bl | blinking, &r->blink_en); |
| 131 | } |
| 132 | |
| 133 | void show_boot_progress(int val) |
| 134 | { |
| 135 | switch (val) { |
| 136 | case BOOTSTAGE_ID_RUN_OS: /* booting Linux */ |
| 137 | set_leds(BOTH_LEDS, NEITHER_LED); |
| 138 | break; |
| 139 | case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */ |
| 140 | set_leds(GREEN_LED, GREEN_LED); |
| 141 | break; |
| 142 | default: |
| 143 | if (val < 0) /* error */ |
| 144 | set_leds(RED_LED, RED_LED); |
| 145 | break; |
| 146 | } |
| 147 | } |
| 148 | #endif |