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add-ext2-fs.patch

This adds ext2 support from U-Boot and stitches it into the
partition stuff.  It also upgrades the board definitions so they
can define the path to look for in the ext2 filesystem being
mounted.  I used /boot/uImage.bin because this is already in use
by the packaged kernel.

We now mount, open and pull the kernel from ext2 in phase2.c if
the kernel source defines it.

Signed-off-by: Andy Green <andy@openmoko.com>
This commit is contained in:
Andy Green
2008-11-28 10:16:37 +00:00
committed by Andy Green
parent 935ef0e12d
commit ec8ea0c281
12 changed files with 1269 additions and 73 deletions

View File

@@ -23,11 +23,15 @@
#include <stdarg.h>
#include <qi-ctype.h>
#include <asm/byteorder.h>
#define u32 unsigned int
#define u16 unsigned short
#define u8 unsigned char
typedef unsigned int uint32_t;
typedef unsigned short uint16_t;
typedef unsigned char uint8_t;
#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
@@ -41,11 +45,12 @@ enum filesystem {
struct kernel_source {
const char *name; /* NULL name means invalid */
const char *filepath;
int (*block_init)(void);
int (*block_read)(unsigned char * buf, unsigned long start512,
int blocks512);
int partition_index; /* -1 means no partition table */
int offset_if_no_partition; /* used if partition_index is -1 */
int offset_blocks512_if_no_partition; /* used if partition_index is -1 */
enum filesystem filesystem;
const char * commandline;
};
@@ -75,6 +80,7 @@ struct board_api {
/* this is the board we are running on */
extern struct board_api const * this_board;
extern struct kernel_source const * this_kernel;
int printk(const char *fmt, ...);
int vsprintf(char *buf, const char *fmt, va_list args);
@@ -84,8 +90,7 @@ void print8(unsigned char u);
void print32(unsigned int u);
void printdec(int n);
void hexdump(unsigned char *start, int len);
unsigned int _ntohl(unsigned int n);
unsigned int _letocpu(unsigned int n);
unsigned long crc32(unsigned long crc, const unsigned char *buf,
unsigned int len);
int nand_read_ll(unsigned char *buf, unsigned long start512, int blocks512);