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Diffstat (limited to 'qemu/roms/u-boot/nand_spl/board/freescale/mpc8569mds/nand_boot.c')
-rw-r--r--qemu/roms/u-boot/nand_spl/board/freescale/mpc8569mds/nand_boot.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/nand_spl/board/freescale/mpc8569mds/nand_boot.c b/qemu/roms/u-boot/nand_spl/board/freescale/mpc8569mds/nand_boot.c
new file mode 100644
index 000000000..ce7f6191c
--- /dev/null
+++ b/qemu/roms/u-boot/nand_spl/board/freescale/mpc8569mds/nand_boot.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2009 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <common.h>
+#include <mpc85xx.h>
+#include <asm/io.h>
+#include <ns16550.h>
+#include <nand.h>
+#include <asm/mmu.h>
+#include <asm/immap_85xx.h>
+#include <fsl_ddr_sdram.h>
+#include <asm/fsl_law.h>
+
+#define SYSCLK_66 66666666
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void board_init_f(ulong bootflag)
+{
+ uint plat_ratio, bus_clk, sys_clk;
+ volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
+
+ sys_clk = SYSCLK_66;
+
+ plat_ratio = gur->porpllsr & 0x0000003e;
+ plat_ratio >>= 1;
+ bus_clk = plat_ratio * sys_clk;
+ NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+ bus_clk / 16 / CONFIG_BAUDRATE);
+
+ puts("\nNAND boot... ");
+
+ /* copy code to DDR 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_SYS_NAND_U_BOOT_RELOC_SP, 0,
+ CONFIG_SYS_NAND_U_BOOT_RELOC);
+}
+
+void board_init_r(gd_t *gd, ulong dest_addr)
+{
+ 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++);
+}