1 files changed, 98 insertions, 0 deletions
diff --git a/roms/u-boot/board/freescale/t4rdb/spl.c b/roms/u-boot/board/freescale/t4rdb/spl.c
new file mode 100644
index 000000000..e2f9c9b3d
--- /dev/null
+++ b/roms/u-boot/board/freescale/t4rdb/spl.c
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2015 Freescale Semiconductor, Inc.
+ *
+ * Author: Chunhe Lan <Chunhe.Lan@freescale.com>
+ */
+
+#include <common.h>
+#include <clock_legacy.h>
+#include <console.h>
+#include <env_internal.h>
+#include <init.h>
+#include <asm/global_data.h>
+#include <asm/spl.h>
+#include <malloc.h>
+#include <ns16550.h>
+#include <nand.h>
+#include <mmc.h>
+#include <fsl_esdhc.h>
+#include <i2c.h>
+
+#include "t4rdb.h"
+
+#define FSL_CORENET_CCSR_PORSR1_RCW_MASK	0xFF800000
+
+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;
+}
+
+void board_init_f(ulong bootflag)
+{
+	u32 plat_ratio, sys_clk, ccb_clk;
+	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+	/* 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);
+
+	/* 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;
+	ccb_clk = sys_clk * plat_ratio / 2;
+
+	ns16550_init((struct ns16550 *)CONFIG_SYS_NS16550_COM1,
+		     ccb_clk / 16 / CONFIG_BAUDRATE);
+
+	puts("\nSD boot...\n");
+
+	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+	struct bd_info *bd;
+
+	bd = (struct bd_info *)(gd + sizeof(gd_t));
+	memset(bd, 0, sizeof(struct bd_info));
+	gd->bd = bd;
+
+	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;
+
+	mmc_initialize(bd);
+	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
+			   (uchar *)SPL_ENV_ADDR);
+
+	gd->env_addr  = (ulong)(SPL_ENV_ADDR);
+	gd->env_valid = ENV_VALID;
+
+	i2c_init_all();
+
+	dram_init();
+
+	mmc_boot();
+}