Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / freescale / p1022ds / spl_minimal.c

diff --git a/qemu/roms/u-boot/board/freescale/p1022ds/spl_minimal.c b/qemu/roms/u-boot/board/freescale/p1022ds/spl_minimal.c
new file mode 100644 (file)
index 0000000..6c7e1ac
--- /dev/null
+++ b/qemu/roms/u-boot/board/freescale/p1022ds/spl_minimal.c
@@ -0,0 +1,71 @@
+/*
+ * 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 <asm/fsl_law.h>
+#include <fsl_ddr_sdram.h>
+
+
+const static u32 sysclk_tbl[] = {
+       66666000, 7499900, 83332500, 8999900,
+       99999000, 11111000, 12499800, 13333200
+};
+
+void board_init_f(ulong bootflag)
+{
+       int px_spd;
+       u32 plat_ratio, sys_clk, bus_clk;
+       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
+       /* for FPGA */
+       set_lbc_br(2, CONFIG_SYS_BR2_PRELIM);
+       set_lbc_or(2, CONFIG_SYS_OR2_PRELIM);
+
+       /* 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_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++);
+}