Add realtek target files

Signed-off-by: Roman Yeryomin <roman@advem.lv>

1 files changed, 117 insertions, 0 deletions

diff --git a/target/linux/realtek/files/rtkload/hfload.c b/target/linux/realtek/files/rtkload/hfload.c
new file mode 100644
index 000000000..05bdb4772
--- /dev/null
+++ b/target/linux/realtek/files/rtkload/hfload.c
@@ -0,0 +1,117 @@
+/* hfload.c
+ *
+ * This file is subject to the terms and conditions of the GNU
+ * General Public License.  See the file "COPYING" in the main
+ * directory of this archive for more details.
+ *
+ * Copyright (C) 2000, Jay Carlson
+ */
+
+/*
+ * Boot loader main program.
+ */
+//#include <linux/config.h>
+#include <linux/autoconf.h>
+
+#include <unistd.h>
+//#include <linux/elf.h>
+#include "hfload.h"
+
+#define REG32(reg)   (*(volatile unsigned int   *)((unsigned int)reg))
+
+#if defined(CONFIG_RTL_819X)
+	#define BASE_ADDR 0xB8000000
+	#define set_io_port_base(base)	\
+		do { * (unsigned long *) &mips_io_port_base = (base); } while (0)	
+	
+	const unsigned long mips_io_port_base;
+#endif
+
+int file_offset;
+unsigned long kernelStartAddr;
+/*
+int old_stack_pointer;
+
+#define MAX_PHDRS_SIZE 8
+
+Elf32_Ehdr header;
+Elf32_Phdr phdrs[MAX_PHDRS_SIZE];
+*/
+extern void flush_cache(void);
+
+/*
+void
+zero_region(char *start, char *end)
+{
+	char *addr;
+	int count;
+
+	count = end - start;
+#ifndef __DO_QUIET__
+	printf("zeroing from %08x to to %08x, 0x%x bytes\n", start, end, count);
+#endif
+
+#ifndef FAKE_COPYING
+	memset(start, 0, count);
+#endif
+}
+
+void
+load_phdr(Elf32_Phdr *phdr)
+{
+	char *addr, *end;
+	
+	seek_forward(phdr->p_offset);
+	
+	addr = (char *)phdr->p_vaddr;
+	end = ((char *)addr) + phdr->p_memsz;
+	
+	copy_to_region(addr, phdr->p_filesz);
+	
+	addr = ((char *)addr) + phdr->p_filesz;
+	
+	zero_region(addr, end);
+}
+*/
+
+int main(unsigned long stack_start_addr)
+{
+	int i;
+	//Elf32_Ehdr *pHdr;
+	
+	file_offset = 0;
+
+#if defined(CONFIG_RTL_819X)
+ 	set_io_port_base(BASE_ADDR);
+#endif
+
+#ifndef __DO_QUIET__
+	printf("decompressing kernel:\n");
+#endif
+
+#ifdef CONFIG_RTL8197B_PANA
+	extern int is_vmlinux_checksum_ok();
+	
+	REG32(0xB801900C) =  REG32(0xB801900C) & (~0x0400); //SYSSR, AllSoftwareReady=0
+	if (!is_vmlinux_checksum_ok()) {
+		printf("Linux image corrupted!\n");
+		for (;;);
+	}
+#endif
+
+#ifndef BZ2_COMPRESS
+	decompress_kernel(UNCOMPRESS_OUT, stack_start_addr+4096, FREEMEM_END, 0);
+#else
+	decompress_kernel(UNCOMPRESS_OUT, stack_start_addr+4096, FREEMEM_END, 0);
+#endif
+
+#ifndef __DO_QUIET__
+	printf("done decompressing kernel.\n");
+#endif
+
+	flush_cache();
+	
+	printf("start address: 0x%08x\n", kernelStartAddr);
+	start_kernel(kernelStartAddr);
+	//start_kernel(0x80000000);
+}