1 files changed, 84 insertions, 0 deletions
diff --git a/board/freescale/p1_p2_rdb/spl_minimal.c b/board/freescale/p1_p2_rdb/spl_minimal.c
new file mode 100644
index 0000000000..96a4d1cb0a
--- /dev/null
+++ b/board/freescale/p1_p2_rdb/spl_minimal.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <ns16550.h>
+#include <asm/io.h>
+#include <nand.h>
+#include <linux/compiler.h>
+#include <asm/fsl_law.h>
+#include <fsl_ddr_sdram.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+#define SYSCLK_MASK	0x00200000
+#define BOARDREV_MASK	0x10100000
+
+#define SYSCLK_66	66666666
+#define SYSCLK_100	100000000
+
+unsigned long get_board_sys_clk(ulong dummy)
+{
+	ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
+	u32 val_gpdat, sysclk_gpio;
+
+	val_gpdat = in_be32(&pgpio->gpdat);
+	sysclk_gpio = val_gpdat & SYSCLK_MASK;
+
+	if (sysclk_gpio == 0)
+		return SYSCLK_66;
+	else
+		return SYSCLK_100;
+
+	return 0;
+}
+
+void board_init_f(ulong bootflag)
+{
+	u32 plat_ratio;
+	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+#if defined(CONFIG_SYS_NAND_BR_PRELIM) && defined(CONFIG_SYS_NAND_OR_PRELIM)
+	set_lbc_br(0, CONFIG_SYS_NAND_BR_PRELIM);
+	set_lbc_or(0, CONFIG_SYS_NAND_OR_PRELIM);
+#endif
+
+	/* initialize selected port with appropriate baud rate */
+	plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
+	plat_ratio >>= 1;
+	gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
+
+	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+		     gd->bus_clk / 16 / CONFIG_BAUDRATE);
+
+	puts("\nNAND boot... ");
+
+	/* copy code to RAM and jump to it - this should not return */
+	/* NOTE - code has to be copied out of NAND buffer before
+	 * other blocks can be read.
+	 */
+	relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+	puts("\nSecond program loader running in sram...");
+	nand_boot();
+}
+
+void putc(char c)
+{
+	if (c == '\n')
+		NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, '\r');
+
+	NS16550_putc((NS16550_t)CONFIG_SYS_NS16550_COM1, c);
+}
+
+void puts(const char *str)
+{
+	while (*str)
+		putc(*str++);
+}