GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) Freescale Semiconductor, Inc. 2006-2007
+ *
+ * Author: Scott Wood <scottwood@freescale.com>
+ */
+
+#include <common.h>
+#include <init.h>
+#if defined(CONFIG_OF_LIBFDT)
+#include <linux/libfdt.h>
+#endif
+#include <pci.h>
+#include <mpc83xx.h>
+#include <vsc7385.h>
+#include <ns16550.h>
+#include <nand.h>
+#if defined(CONFIG_MPC83XX_GPIO) && !defined(CONFIG_SPL_BUILD)
+#include <asm/gpio.h>
+#endif
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_early_init_f(void)
+{
+#ifndef CONFIG_SYS_8313ERDB_BROKEN_PMC
+	volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
+
+	if (im->pmc.pmccr1 & PMCCR1_POWER_OFF)
+		gd->flags |= GD_FLG_SILENT;
+#endif
+#if defined(CONFIG_MPC83XX_GPIO) && !defined(CONFIG_SPL_BUILD)
+	mpc83xx_gpio_init_f();
+#endif
+
+	return 0;
+}
+
+int board_early_init_r(void)
+{
+#if defined(CONFIG_MPC83XX_GPIO) && !defined(CONFIG_SPL_BUILD)
+	mpc83xx_gpio_init_r();
+#endif
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: Freescale MPC8313ERDB\n");
+	return 0;
+}
+
+#ifndef CONFIG_SPL_BUILD
+static struct pci_region pci_regions[] = {
+	{
+		.bus_start = CONFIG_SYS_PCI1_MEM_BASE,
+		.phys_start = CONFIG_SYS_PCI1_MEM_PHYS,
+		.size = CONFIG_SYS_PCI1_MEM_SIZE,
+		.flags = PCI_REGION_MEM | PCI_REGION_PREFETCH
+	},
+	{
+		.bus_start = CONFIG_SYS_PCI1_MMIO_BASE,
+		.phys_start = CONFIG_SYS_PCI1_MMIO_PHYS,
+		.size = CONFIG_SYS_PCI1_MMIO_SIZE,
+		.flags = PCI_REGION_MEM
+	},
+	{
+		.bus_start = CONFIG_SYS_PCI1_IO_BASE,
+		.phys_start = CONFIG_SYS_PCI1_IO_PHYS,
+		.size = CONFIG_SYS_PCI1_IO_SIZE,
+		.flags = PCI_REGION_IO
+	}
+};
+
+void pci_init_board(void)
+{
+	volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR;
+	volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk;
+	volatile law83xx_t *pci_law = immr->sysconf.pcilaw;
+	struct pci_region *reg[] = { pci_regions };
+
+	/* Enable all 3 PCI_CLK_OUTPUTs. */
+	clk->occr |= 0xe0000000;
+
+	/*
+	 * Configure PCI Local Access Windows
+	 */
+	pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
+	pci_law[0].ar = LBLAWAR_EN | LBLAWAR_512MB;
+
+	pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
+	pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
+
+	mpc83xx_pci_init(1, reg);
+}
+
+/*
+ * Miscellaneous late-boot configurations
+ *
+ * If a VSC7385 microcode image is present, then upload it.
+*/
+int misc_init_r(void)
+{
+	int rc = 0;
+
+#ifdef CONFIG_VSC7385_IMAGE
+	if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE,
+		CONFIG_VSC7385_IMAGE_SIZE)) {
+		puts("Failure uploading VSC7385 microcode.\n");
+		rc = 1;
+	}
+#endif
+
+	return rc;
+}
+
+#if defined(CONFIG_OF_BOARD_SETUP)
+int ft_board_setup(void *blob, bd_t *bd)
+{
+	ft_cpu_setup(blob, bd);
+#ifdef CONFIG_PCI
+	ft_pci_setup(blob, bd);
+#endif
+
+	return 0;
+}
+#endif
+#else /* CONFIG_SPL_BUILD */
+void board_init_f(ulong bootflag)
+{
+	board_early_init_f();
+	NS16550_init((NS16550_t)(CONFIG_SYS_IMMR + 0x4500),
+		     CONFIG_SYS_NS16550_CLK / 16 / CONFIG_BAUDRATE);
+	puts("NAND boot... ");
+	timer_init();
+	dram_init();
+	relocate_code(CONFIG_SYS_NAND_U_BOOT_RELOC_SP, (gd_t *)gd,
+		      CONFIG_SYS_NAND_U_BOOT_RELOC);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+	nand_boot();
+}
+
+void putc(char c)
+{
+	if (gd->flags & GD_FLG_SILENT)
+		return;
+
+	if (c == '\n')
+		NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), '\r');
+
+	NS16550_putc((NS16550_t)(CONFIG_SYS_IMMR + 0x4500), c);
+}
+#endif