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https://github.com/AsahiLinux/u-boot
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807765b067
These functions relate to setting up the device tree for booting the OS. The fdt_support.h header file supports similar functions, so move these there. Signed-off-by: Simon Glass <sjg@chromium.org>
158 lines
3.2 KiB
C
158 lines
3.2 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) Freescale Semiconductor, Inc. 2006-2007
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*
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* Author: Scott Wood <scottwood@freescale.com>
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*/
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#include <common.h>
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#include <fdt_support.h>
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#include <init.h>
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#if defined(CONFIG_OF_LIBFDT)
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#include <linux/libfdt.h>
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#endif
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#include <pci.h>
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#include <mpc83xx.h>
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#include <vsc7385.h>
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#include <ns16550.h>
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#include <nand.h>
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#if defined(CONFIG_MPC83XX_GPIO) && !defined(CONFIG_SPL_BUILD)
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#include <asm/gpio.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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int board_early_init_f(void)
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{
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#ifndef CONFIG_SYS_8313ERDB_BROKEN_PMC
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volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
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if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
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gd->flags |= GD_FLG_SILENT;
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#endif
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#if defined(CONFIG_MPC83XX_GPIO) && !defined(CONFIG_SPL_BUILD)
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mpc83xx_gpio_init_f();
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#endif
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return 0;
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}
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int board_early_init_r(void)
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{
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#if defined(CONFIG_MPC83XX_GPIO) && !defined(CONFIG_SPL_BUILD)
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mpc83xx_gpio_init_r();
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#endif
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return 0;
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}
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int checkboard(void)
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{
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puts("Board: Freescale MPC8313ERDB\n");
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return 0;
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}
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#ifndef CONFIG_SPL_BUILD
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static struct pci_region pci_regions[] = {
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{
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.bus_start = CONFIG_SYS_PCI1_MEM_BASE,
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.phys_start = CONFIG_SYS_PCI1_MEM_PHYS,
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.size = CONFIG_SYS_PCI1_MEM_SIZE,
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.flags = PCI_REGION_MEM | PCI_REGION_PREFETCH
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},
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{
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.bus_start = CONFIG_SYS_PCI1_MMIO_BASE,
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.phys_start = CONFIG_SYS_PCI1_MMIO_PHYS,
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.size = CONFIG_SYS_PCI1_MMIO_SIZE,
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.flags = PCI_REGION_MEM
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},
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{
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.bus_start = CONFIG_SYS_PCI1_IO_BASE,
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.phys_start = CONFIG_SYS_PCI1_IO_PHYS,
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.size = CONFIG_SYS_PCI1_IO_SIZE,
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.flags = PCI_REGION_IO
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}
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};
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void pci_init_board(void)
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{
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volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
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volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
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volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
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struct pci_region *reg[] = { pci_regions };
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/* Enable all 3 PCI_CLK_OUTPUTs. */
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clk->occr |= 0xe0000000;
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/*
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* Configure PCI Local Access Windows
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*/
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pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
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pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
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pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
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pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
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mpc83xx_pci_init(1, reg);
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}
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/*
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* Miscellaneous late-boot configurations
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*
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* If a VSC7385 microcode image is present, then upload it.
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*/
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int misc_init_r(void)
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{
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int rc = 0;
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#ifdef CONFIG_VSC7385_IMAGE
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if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE,
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CONFIG_VSC7385_IMAGE_SIZE)) {
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puts("Failure uploading VSC7385 microcode.\n");
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rc = 1;
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}
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#endif
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return rc;
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}
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#if defined(CONFIG_OF_BOARD_SETUP)
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int ft_board_setup(void *blob, bd_t *bd)
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{
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ft_cpu_setup(blob, bd);
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#ifdef CONFIG_PCI
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ft_pci_setup(blob, bd);
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#endif
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return 0;
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}
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#endif
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#else /* CONFIG_SPL_BUILD */
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void board_init_f(ulong bootflag)
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{
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board_early_init_f();
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NS16550_init((NS16550_t)(CONFIG_SYS_IMMR + 0x4500),
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CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
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puts("NAND boot... ");
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timer_init();
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dram_init();
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relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC_SP, (gd_t *)gd,
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CONFIG_SYS_NAND_U_BOOT_RELOC);
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}
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void board_init_r(gd_t *gd, ulong dest_addr)
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{
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nand_boot();
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}
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void putc(char c)
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{
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if (gd->flags & GD_FLG_SILENT)
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return;
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if (c == '\n')
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NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), '\r');
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NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), c);
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}
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#endif
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