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https://github.com/brain-hackers/u-boot-brain
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711f2dc08d
This enables the use of the MSCC serial GPIO driver to control the LEDs on the MSCC VCoreIII 'luton' SoC. Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
73 lines
1.4 KiB
C
73 lines
1.4 KiB
C
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2018 Microsemi Corporation
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*/
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#include <common.h>
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#include <asm/io.h>
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#include <led.h>
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DECLARE_GLOBAL_DATA_PTR;
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enum {
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BOARD_TYPE_PCB090 = 0xAABBCD00,
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BOARD_TYPE_PCB091,
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};
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void board_debug_uart_init(void)
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{
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/* too early for the pinctrl driver, so configure the UART pins here */
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mscc_gpio_set_alternate(30, 1);
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mscc_gpio_set_alternate(31, 1);
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}
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int board_early_init_r(void)
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{
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/* Prepare SPI controller to be used in master mode */
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writel(0, BASE_CFG + ICPU_SW_MODE);
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/* Address of boot parameters */
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gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE;
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/* LED setup */
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if (IS_ENABLED(CONFIG_LED))
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led_default_state();
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return 0;
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}
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static void do_board_detect(void)
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{
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u32 chipid = (readl(BASE_DEVCPU_GCB + CHIP_ID) >> 12) & 0xFFFF;
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if (chipid == 0x7428 || chipid == 0x7424)
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gd->board_type = BOARD_TYPE_PCB091; // Lu10
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else
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gd->board_type = BOARD_TYPE_PCB090; // Lu26
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}
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#if defined(CONFIG_MULTI_DTB_FIT)
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int board_fit_config_name_match(const char *name)
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{
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if (gd->board_type == BOARD_TYPE_PCB090 &&
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strcmp(name, "luton_pcb090") == 0)
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return 0;
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if (gd->board_type == BOARD_TYPE_PCB091 &&
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strcmp(name, "luton_pcb091") == 0)
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return 0;
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return -1;
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}
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#endif
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#if defined(CONFIG_DTB_RESELECT)
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int embedded_dtb_select(void)
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{
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do_board_detect();
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fdtdec_setup();
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return 0;
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}
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#endif
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