X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fnand_spl%2Fboard%2Ffreescale%2Fmpc8572ds%2Fnand_boot.c;fp=qemu%2Froms%2Fu-boot%2Fnand_spl%2Fboard%2Ffreescale%2Fmpc8572ds%2Fnand_boot.c;h=3bc09273419cc4c896a6a13a33a9e233e7b9d2b7;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git

diff --git a/qemu/roms/u-boot/nand_spl/board/freescale/mpc8572ds/nand_boot.c b/qemu/roms/u-boot/nand_spl/board/freescale/mpc8572ds/nand_boot.c
new file mode 100644
index 000000000..3bc092734
--- /dev/null
+++ b/qemu/roms/u-boot/nand_spl/board/freescale/mpc8572ds/nand_boot.c
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2009-2010 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <ns16550.h>
+#include <asm/io.h>
+#include <nand.h>
+
+u32 sysclk_tbl[] = {
+	33333000, 39999600, 49999500, 66666000,
+	83332500, 99999000, 133332000, 166665000
+};
+
+void board_init_f(ulong bootflag)
+{
+	int px_spd;
+	u32 plat_ratio, bus_clk, sys_clk;
+	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
+
+#if defined(CONFIG_SYS_BR3_PRELIM) && defined(CONFIG_SYS_OR3_PRELIM)
+	/* for FPGA */
+	set_lbc_br(3, CONFIG_SYS_BR3_PRELIM);
+	set_lbc_or(3, CONFIG_SYS_OR3_PRELIM);
+#else
+#error CONFIG_SYS_BR3_PRELIM, CONFIG_SYS_OR3_PRELIM must be defined
+#endif
+
+	/* initialize selected port with appropriate baud rate */
+	px_spd = in_8((unsigned char *)(PIXIS_BASE + PIXIS_SPD));
+	sys_clk = sysclk_tbl[px_spd & PIXIS_SPD_SYSCLK_MASK];
+	plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
+	bus_clk = sys_clk * plat_ratio / 2;
+
+	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
+			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_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++);
+}