Tony Dinh | b3f559a | 2023-08-25 20:33:29 -0700 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0+ |
| 2 | /* |
| 3 | * Copyright (C) 2014-2023 Tony Dinh <mibodhi@gmail.com> |
| 4 | * |
| 5 | * Based on |
| 6 | * Copyright (C) 2014 Jason Plum <jplum@archlinuxarm.org> |
| 7 | * |
| 8 | * Based on nsa320.c originall written by |
| 9 | * Copyright (C) 2012 Peter Schildmann <linux@schildmann.info> |
| 10 | * |
| 11 | * Based on guruplug.c originally written by |
| 12 | * Siddarth Gore <gores@marvell.com> |
| 13 | * (C) Copyright 2009 |
| 14 | * Marvell Semiconductor <www.marvell.com> |
| 15 | */ |
| 16 | |
| 17 | #include <common.h> |
| 18 | #include <asm/arch/soc.h> |
| 19 | #include <asm/arch/mpp.h> |
| 20 | #include <netdev.h> |
| 21 | #include <asm/arch/cpu.h> |
| 22 | #include <asm/gpio.h> |
| 23 | #include <asm/io.h> |
| 24 | #include <asm/arch/gpio.h> |
| 25 | #include <asm/mach-types.h> |
| 26 | #include <bootstage.h> |
| 27 | #include <command.h> |
| 28 | #include <init.h> |
| 29 | #include <linux/bitops.h> |
| 30 | |
| 31 | DECLARE_GLOBAL_DATA_PTR; |
| 32 | |
| 33 | /* low GPIO's */ |
| 34 | #define HDD2_GREEN_LED BIT(12) |
| 35 | #define HDD2_RED_LED BIT(13) |
| 36 | #define USB_GREEN_LED BIT(15) |
| 37 | #define USB_POWER BIT(21) |
| 38 | #define SYS_GREEN_LED BIT(28) |
| 39 | #define SYS_ORANGE_LED BIT(29) |
| 40 | |
| 41 | #define PIN_USB_GREEN_LED 15 |
| 42 | #define PIN_USB_POWER 21 |
| 43 | |
| 44 | #define NSA325_OE_LOW (~(HDD2_GREEN_LED | HDD2_RED_LED | \ |
| 45 | USB_GREEN_LED | USB_POWER | \ |
| 46 | SYS_GREEN_LED | SYS_ORANGE_LED)) |
| 47 | #define NSA325_VAL_LOW (SYS_GREEN_LED | USB_POWER) |
| 48 | |
| 49 | /* high GPIO's */ |
| 50 | #define COPY_GREEN_LED BIT(7) |
| 51 | #define COPY_RED_LED BIT(8) |
| 52 | #define HDD1_GREEN_LED BIT(9) |
| 53 | #define HDD1_RED_LED BIT(10) |
| 54 | #define HDD2_POWER BIT(15) |
| 55 | #define WATCHDOG_SIGNAL BIT(14) |
| 56 | |
| 57 | #define NSA325_OE_HIGH (~(COPY_GREEN_LED | COPY_RED_LED | \ |
| 58 | HDD1_GREEN_LED | HDD1_RED_LED | HDD2_POWER | WATCHDOG_SIGNAL)) |
| 59 | #define NSA325_VAL_HIGH (WATCHDOG_SIGNAL | HDD2_POWER) |
| 60 | |
| 61 | #define BTN_POWER 46 |
| 62 | #define BTN_RESET 36 |
| 63 | #define BTN_COPY 37 |
| 64 | |
| 65 | int board_early_init_f(void) |
| 66 | { |
| 67 | /* |
| 68 | * default gpio configuration |
| 69 | * There are maximum 64 gpios controlled through 2 sets of registers |
| 70 | * the below configuration configures mainly initial LED status |
| 71 | */ |
| 72 | mvebu_config_gpio(NSA325_VAL_LOW, NSA325_VAL_HIGH, |
| 73 | NSA325_OE_LOW, NSA325_OE_HIGH); |
| 74 | |
| 75 | /* Multi-Purpose Pins Functionality configuration */ |
| 76 | /* (all LEDs & power off active high) */ |
| 77 | u32 kwmpp_config[] = { |
| 78 | MPP0_NF_IO2, |
| 79 | MPP1_NF_IO3, |
| 80 | MPP2_NF_IO4, |
| 81 | MPP3_NF_IO5, |
| 82 | MPP4_NF_IO6, |
| 83 | MPP5_NF_IO7, |
| 84 | MPP6_SYSRST_OUTn, |
| 85 | MPP7_GPO, |
| 86 | MPP8_TW_SDA, /* PCF8563 RTC chip */ |
| 87 | MPP9_TW_SCK, /* connected to TWSI */ |
| 88 | MPP10_UART0_TXD, |
| 89 | MPP11_UART0_RXD, |
| 90 | MPP12_GPO, /* HDD2 LED (green) */ |
| 91 | MPP13_GPIO, /* HDD2 LED (red) */ |
| 92 | MPP14_GPIO, /* MCU DATA pin (in) */ |
| 93 | MPP15_GPIO, /* USB LED (green) */ |
| 94 | MPP16_GPIO, /* MCU CLK pin (out) */ |
| 95 | MPP17_GPIO, /* MCU ACT pin (out) */ |
| 96 | MPP18_NF_IO0, |
| 97 | MPP19_NF_IO1, |
| 98 | MPP20_GPIO, |
| 99 | MPP21_GPIO, /* USB power */ |
| 100 | MPP22_GPIO, |
| 101 | MPP23_GPIO, |
| 102 | MPP24_GPIO, |
| 103 | MPP25_GPIO, |
| 104 | MPP26_GPIO, |
| 105 | MPP27_GPIO, |
| 106 | MPP28_GPIO, /* SYS LED (green) */ |
| 107 | MPP29_GPIO, /* SYS LED (orange) */ |
| 108 | MPP30_GPIO, |
| 109 | MPP31_GPIO, |
| 110 | MPP32_GPIO, |
| 111 | MPP33_GPIO, |
| 112 | MPP34_GPIO, |
| 113 | MPP35_GPIO, |
| 114 | MPP36_GPIO, /* reset button */ |
| 115 | MPP37_GPIO, /* copy button */ |
| 116 | MPP38_GPIO, /* VID B0 */ |
| 117 | MPP39_GPIO, /* COPY LED (green) */ |
| 118 | MPP40_GPIO, /* COPY LED (red) */ |
| 119 | MPP41_GPIO, /* HDD1 LED (green) */ |
| 120 | MPP42_GPIO, /* HDD1 LED (red) */ |
| 121 | MPP43_GPIO, /* HTP pin */ |
| 122 | MPP44_GPIO, /* buzzer */ |
| 123 | MPP45_GPIO, /* VID B1 */ |
| 124 | MPP46_GPIO, /* power button */ |
| 125 | MPP47_GPIO, /* HDD2 power */ |
| 126 | MPP48_GPIO, /* power off */ |
| 127 | 0 |
| 128 | }; |
| 129 | kirkwood_mpp_conf(kwmpp_config, NULL); |
| 130 | return 0; |
| 131 | } |
| 132 | |
| 133 | int board_eth_init(struct bd_info *bis) |
| 134 | { |
| 135 | return cpu_eth_init(bis); |
| 136 | } |
| 137 | |
| 138 | int board_init(void) |
| 139 | { |
| 140 | /* address of boot parameters */ |
| 141 | gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; |
| 142 | |
| 143 | return 0; |
| 144 | } |
| 145 | |
| 146 | int board_late_init(void) |
| 147 | { |
| 148 | /* Do late init to ensure successful enumeration of XHCI devices */ |
| 149 | pci_init(); |
| 150 | return 0; |
| 151 | } |
| 152 | |
| 153 | #if defined(CONFIG_SHOW_BOOT_PROGRESS) |
| 154 | void show_boot_progress(int val) |
| 155 | { |
| 156 | struct kwgpio_registers *gpio0 = (struct kwgpio_registers *)MVEBU_GPIO0_BASE; |
| 157 | u32 dout0 = readl(&gpio0->dout); |
| 158 | u32 blen0 = readl(&gpio0->blink_en); |
| 159 | |
| 160 | struct kwgpio_registers *gpio1 = (struct kwgpio_registers *)MVEBU_GPIO1_BASE; |
| 161 | u32 dout1 = readl(&gpio1->dout); |
| 162 | u32 blen1 = readl(&gpio1->blink_en); |
| 163 | |
| 164 | switch (val) { |
| 165 | case BOOTSTAGE_ID_DECOMP_IMAGE: |
| 166 | writel(blen0 & ~(SYS_GREEN_LED | SYS_ORANGE_LED), &gpio0->blink_en); |
| 167 | writel((dout0 & ~SYS_GREEN_LED) | SYS_ORANGE_LED, &gpio0->dout); |
| 168 | break; |
| 169 | case BOOTSTAGE_ID_RUN_OS: |
| 170 | writel(dout0 & ~SYS_ORANGE_LED, &gpio0->dout); |
| 171 | writel(blen0 | SYS_GREEN_LED, &gpio0->blink_en); |
| 172 | break; |
| 173 | case BOOTSTAGE_ID_NET_START: |
| 174 | writel(dout1 & ~COPY_RED_LED, &gpio1->dout); |
| 175 | writel((blen1 & ~COPY_RED_LED) | COPY_GREEN_LED, &gpio1->blink_en); |
| 176 | break; |
| 177 | case BOOTSTAGE_ID_NET_LOADED: |
| 178 | writel(blen1 & ~(COPY_RED_LED | COPY_GREEN_LED), &gpio1->blink_en); |
| 179 | writel((dout1 & ~COPY_RED_LED) | COPY_GREEN_LED, &gpio1->dout); |
| 180 | break; |
| 181 | case -BOOTSTAGE_ID_NET_NETLOOP_OK: |
| 182 | case -BOOTSTAGE_ID_NET_LOADED: |
| 183 | writel(dout1 & ~COPY_GREEN_LED, &gpio1->dout); |
| 184 | writel((blen1 & ~COPY_GREEN_LED) | COPY_RED_LED, &gpio1->blink_en); |
| 185 | break; |
| 186 | default: |
| 187 | if (val < 0) { |
| 188 | /* error */ |
| 189 | printf("Error occurred, error code = %d\n", -val); |
| 190 | writel(dout0 & ~SYS_GREEN_LED, &gpio0->dout); |
| 191 | writel(blen0 | SYS_ORANGE_LED, &gpio0->blink_en); |
| 192 | } |
| 193 | break; |
| 194 | } |
| 195 | } |
| 196 | #endif /* CONFIG_SHOW_BOOT_PROGRESS */ |