// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2021-2022 Tony Dinh * Copyright (C) 2013-2021 Suriyan Ramasami * * Based on dockstar.c originally written by * Copyright (C) 2010 Eric C. Cooper * * Based on sheevaplug.c originally written by * Prafulla Wadaskar * (C) Copyright 2009 * Marvell Semiconductor */ #include #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; int board_early_init_f(void) { /* Multi-Purpose Pins Functionality configuration */ static const 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_UART0_RTS, MPP9_UART0_CTS, 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_GPIO, MPP21_GPIO, MPP22_GPIO, MPP23_GPIO, MPP24_GPIO, MPP25_GPIO, MPP26_GPIO, MPP27_GPIO, MPP28_GPIO, MPP29_TSMP9, MPP30_GPIO, MPP31_GPIO, MPP32_GPIO, MPP33_GPIO, MPP34_GPIO, MPP35_GPIO, MPP36_GPIO, MPP37_GPIO, MPP38_GPIO, MPP39_GPIO, MPP40_GPIO, MPP41_GPIO, MPP42_GPIO, MPP43_GPIO, MPP44_GPIO, MPP45_GPIO, MPP46_GPIO, MPP47_GPIO, MPP48_GPIO, MPP49_GPIO, 0 }; /* * 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(GOFLEXHOME_OE_VAL_LOW, GOFLEXHOME_OE_VAL_HIGH, GOFLEXHOME_OE_LOW, GOFLEXHOME_OE_HIGH); kirkwood_mpp_conf(kwmpp_config, NULL); return 0; } int board_eth_init(struct bd_info *bis) { return cpu_eth_init(bis); } int board_init(void) { /* * arch number of board */ gd->bd->bi_arch_number = MACH_TYPE_GOFLEXHOME; /* address of boot parameters */ gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100; return 0; } #if CONFIG_IS_ENABLED(BOOTSTAGE) #define GREEN_LED BIT(14) #define ORANGE_LED BIT(15) #define BOTH_LEDS (GREEN_LED | ORANGE_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_GPIO1_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(ORANGE_LED, ORANGE_LED); break; } } #endif