| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2014-2022 Tony Dinh <mibodhi@gmail.com> |
| * |
| * Based on |
| * Copyright (C) 2012 David Purdy <david.c.purdy@gmail.com> |
| * |
| * Based on Kirkwood support: |
| * (C) Copyright 2009 |
| * Marvell Semiconductor <www.marvell.com> |
| * Written-by: Prafulla Wadaskar <prafulla@marvell.com> |
| */ |
| |
| #include <netdev.h> |
| #include <asm/arch/cpu.h> |
| #include <asm/arch/soc.h> |
| #include <asm/arch/mpp.h> |
| #include <asm/io.h> |
| #include <asm/arch/gpio.h> |
| #include <asm/mach-types.h> |
| #include <bootstage.h> |
| #include <command.h> |
| #include <init.h> |
| #include <linux/bitops.h> |
| |
| DECLARE_GLOBAL_DATA_PTR; |
| |
| /* GPIO configuration */ |
| #define POGO_V4_OE_LOW (~(0)) |
| #define POGO_V4_OE_HIGH (~(0)) |
| #define POGO_V4_OE_VAL_LOW BIT(29) |
| #define POGO_V4_OE_VAL_HIGH 0 |
| |
| /* button */ |
| #define BTN_EJECT 29 |
| |
| int board_early_init_f(void) |
| { |
| /* |
| * default gpio configuration |
| * There are maximum 64 gpios controlled through 2 sets of registers |
| * the below configuration configures mainly initial LED status |
| */ |
| mvebu_config_gpio(POGO_V4_OE_VAL_LOW, |
| POGO_V4_OE_VAL_HIGH, |
| POGO_V4_OE_LOW, POGO_V4_OE_HIGH); |
| |
| /* Multi-Purpose Pins Functionality configuration */ |
| u32 kwmpp_config[] = { |
| MPP0_NF_IO2, |
| MPP1_NF_IO3, |
| MPP2_NF_IO4, |
| MPP3_NF_IO5, |
| MPP4_NF_IO6, |
| MPP5_NF_IO7, |
| MPP6_SYSRST_OUTn, |
| MPP7_GPO, |
| MPP8_TW_SDA, |
| MPP9_TW_SCK, |
| MPP10_UART0_TXD, |
| MPP11_UART0_RXD, |
| MPP12_SD_CLK, |
| MPP13_SD_CMD, |
| MPP14_SD_D0, |
| MPP15_SD_D1, |
| MPP16_SD_D2, |
| MPP17_SD_D3, |
| MPP18_NF_IO0, |
| MPP19_NF_IO1, |
| MPP20_SATA1_ACTn, |
| MPP21_SATA0_ACTn, |
| MPP22_GPIO, /* Green LED */ |
| MPP23_GPIO, |
| MPP24_GPIO, /* Red LED */ |
| MPP25_GPIO, |
| MPP26_GPIO, |
| MPP27_GPIO, |
| MPP28_GPIO, |
| MPP29_GPIO, /* Eject button */ |
| MPP30_GPIO, |
| MPP31_GPIO, |
| MPP32_GPIO, |
| MPP33_GPIO, |
| MPP34_GPIO, |
| MPP35_GPIO, /* FR6192 has only 36 GPIOs */ |
| 0 |
| }; |
| kirkwood_mpp_conf(kwmpp_config, NULL); |
| |
| return 0; |
| } |
| |
| int board_eth_init(struct bd_info *bis) |
| { |
| return cpu_eth_init(bis); |
| } |
| |
| int board_late_init(void) |
| { |
| /* Do late init to ensure successful enumeration of XHCI devices */ |
| pci_init(); |
| return 0; |
| } |
| |
| int board_init(void) |
| { |
| /* Boot parameters address */ |
| gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; |
| |
| return 0; |
| } |
| |
| #if CONFIG_IS_ENABLED(BOOTSTAGE) |
| #define GREEN_LED BIT(22) |
| #define RED_LED BIT(24) |
| #define BOTH_LEDS (GREEN_LED | RED_LED) |
| #define NEITHER_LED 0 |
| |
| static void set_leds(u32 leds, u32 blinking) |
| { |
| struct kwgpio_registers *r; |
| u32 oe; |
| u32 bl; |
| |
| r = (struct kwgpio_registers *)MVEBU_GPIO0_BASE; |
| oe = readl(&r->oe) | BOTH_LEDS; |
| writel(oe & ~leds, &r->oe); /* active low */ |
| bl = readl(&r->blink_en) & ~BOTH_LEDS; |
| writel(bl | blinking, &r->blink_en); |
| } |
| |
| void show_boot_progress(int val) |
| { |
| switch (val) { |
| case BOOTSTAGE_ID_RUN_OS: /* booting Linux */ |
| set_leds(BOTH_LEDS, NEITHER_LED); |
| break; |
| case BOOTSTAGE_ID_NET_ETH_START: /* Ethernet initialization */ |
| set_leds(GREEN_LED, GREEN_LED); |
| break; |
| default: |
| if (val < 0) /* error */ |
| set_leds(RED_LED, RED_LED); |
| break; |
| } |
| } |
| #endif |