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 2013 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <console.h>
+#include <env_internal.h>
+#include <malloc.h>
+#include <ns16550.h>
+#include <nand.h>
+#include <i2c.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <spi_flash.h>
+#include "../common/sleep.h"
+#include "../common/spl.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+phys_size_t get_effective_memsize(void)
+{
+	return CONFIG_SYS_L3_SIZE;
+}
+
+unsigned long get_board_sys_clk(void)
+{
+	return CONFIG_SYS_CLK_FREQ;
+}
+
+unsigned long get_board_ddr_clk(void)
+{
+	return CONFIG_DDR_CLK_FREQ;
+}
+
+#define FSL_CORENET_CCSR_PORSR1_RCW_MASK	0xFF800000
+void board_init_f(ulong bootflag)
+{
+	u32 plat_ratio, sys_clk, uart_clk;
+#if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
+	u32 porsr1, pinctl;
+	u32 svr = get_svr();
+#endif
+	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+#if defined(CONFIG_SPL_NAND_BOOT) && defined(CONFIG_A008044_WORKAROUND)
+	if (IS_SVR_REV(svr, 1, 0)) {
+		/*
+		 * There is T1040 SoC issue where NOR, FPGA are inaccessible
+		 * during NAND boot because IFC signals > IFC_AD7 are not
+		 * enabled. This workaround changes RCW source to make all
+		 * signals enabled.
+		 */
+		porsr1 = in_be32(&gur->porsr1);
+		pinctl = ((porsr1 & ~(FSL_CORENET_CCSR_PORSR1_RCW_MASK))
+			  | 0x24800000);
+		out_be32((unsigned int *)(CONFIG_SYS_DCSRBAR + 0x20000),
+			 pinctl);
+	}
+#endif
+
+	/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
+	memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
+
+	/* Update GD pointer */
+	gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
+
+#ifdef CONFIG_DEEP_SLEEP
+	/* disable the console if boot from deep sleep */
+	if (is_warm_boot())
+		fsl_dp_disable_console();
+#endif
+	/* compiler optimization barrier needed for GCC >= 3.4 */
+	__asm__ __volatile__("" : : : "memory");
+
+	console_init_f();
+
+	/* initialize selected port with appropriate baud rate */
+	sys_clk = get_board_sys_clk();
+	plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
+	uart_clk = sys_clk * plat_ratio / 2;
+
+	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+		     uart_clk / 16 / CONFIG_BAUDRATE);
+
+	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+	bd_t *bd;
+
+	bd = (bd_t *)(gd + sizeof(gd_t));
+	memset(bd, 0, sizeof(bd_t));
+	gd->bd = bd;
+	bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
+	bd->bi_memsize = CONFIG_SYS_L3_SIZE;
+
+	arch_cpu_init();
+	get_clocks();
+	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
+			CONFIG_SPL_RELOC_MALLOC_SIZE);
+	gd->flags |= GD_FLG_FULL_MALLOC_INIT;
+
+#ifdef CONFIG_SPL_MMC_BOOT
+	mmc_initialize(bd);
+#endif
+
+	/* relocate environment function pointers etc. */
+#if defined(CONFIG_ENV_IS_IN_NAND) || defined(CONFIG_ENV_IS_IN_MMC) || \
+	defined(CONFIG_ENV_IS_IN_SPI_FLASH)
+#ifdef CONFIG_SPL_NAND_BOOT
+	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+			    (uchar *)SPL_ENV_ADDR);
+#endif
+#ifdef CONFIG_SPL_MMC_BOOT
+	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+			   (uchar *)SPL_ENV_ADDR);
+#endif
+#ifdef CONFIG_SPL_SPI_BOOT
+	fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+			       (uchar *)SPL_ENV_ADDR);
+#endif
+	gd->env_addr  = (ulong)(SPL_ENV_ADDR);
+	gd->env_valid = ENV_VALID;
+#endif
+
+	i2c_init_all();
+
+	puts("\n\n");
+
+	dram_init();
+
+#ifdef CONFIG_SPL_MMC_BOOT
+	mmc_boot();
+#elif defined(CONFIG_SPL_SPI_BOOT)
+	fsl_spi_boot();
+#elif defined(CONFIG_SPL_NAND_BOOT)
+	nand_boot();
+#endif
+}