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#ifndef __MACH_FLASH_HEADER_H
#define __MACH_FLASH_HEADER_H
#include <asm-generic/sections.h>
#define __flash_header_start __section(.flash_header_start)
#if defined(CONFIG_ARCH_IMX_INTERNAL_BOOT_NOR)
#define __flash_header_section __section(.flash_header_0x1000)
#define __dcd_entry_section __section(.dcd_entry_0x1000)
#define __image_len_section __section(.image_len_0x1000)
#define FLASH_HEADER_OFFSET 0x1000
#elif defined(CONFIG_ARCH_IMX_INTERNAL_BOOT_ONENAND)
#define __flash_header_section __section(.flash_header_0x0100)
#define __dcd_entry_section __section(.dcd_entry_0x0100)
#define __image_len_section __section(.image_len_0x0100)
#define FLASH_HEADER_OFFSET 0x0100
#elif defined(CONFIG_ARCH_IMX_INTERNAL_BOOT_SERIAL)
#define __flash_header_section __section(.flash_header_0x0)
#define __dcd_entry_section __section(.dcd_entry_0x0)
#define __image_len_section __section(.image_len_0x0)
#define FLASH_HEADER_OFFSET 0x0
#else
#define __flash_header_section __section(.flash_header_0x0400)
#define __dcd_entry_section __section(.dcd_entry_0x0400)
#define __image_len_section __section(.image_len_0x0400)
#define FLASH_HEADER_OFFSET 0x0400
#endif
#define __flash_header_0x1000 __section(.flash_header_0x1000)
#define __dcd_entry_0x1000 __section(.dcd_entry_0x1000)
#define __image_len_0x1000 __section(.image_len_0x1000)
#define __flash_header_0x0100 __section(.flash_header_0x0100)
#define __dcd_entry_0x0100 __section(.dcd_entry_0x0100)
#define __image_len_0x0100 __section(.image_len_0x0100)
#define __flash_header_0x0400 __section(.flash_header_0x0400)
#define __dcd_entry_0x0400 __section(.dcd_entry_0x0400)
#define __image_len_0x0400 __section(.image_len_0x0400)
#define __flash_header_0x0 __section(.flash_header_0x0)
#define __dcd_entry_0x0 __section(.dcd_entry_0x0)
#define __image_len_0x0 __section(.image_len_0x0)
/*
* NOR is not automatically copied anywhere by the boot ROM
*/
#if defined (CONFIG_ARCH_IMX_INTERNAL_BOOT_NOR)
#define DEST_BASE IMX_CS0_BASE
#else
#define DEST_BASE TEXT_BASE
#endif
#define FLASH_HEADER_BASE (DEST_BASE + FLASH_HEADER_OFFSET)
struct imx_dcd_entry {
unsigned long ptr_type;
unsigned long addr;
unsigned long val;
};
struct imx_dcd_v2_entry {
__be32 addr;
__be32 val;
};
#define DCD_BARKER 0xb17219e9
struct imx_rsa_public_key {
unsigned char rsa_exponent[4];
unsigned char *rsa_modululs;
unsigned short *exponent_size;
unsigned short modulus_size;
unsigned char init_flag;
};
#define APP_CODE_BARKER 0x000000b1
struct imx_flash_header {
unsigned long app_code_jump_vector;
unsigned long app_code_barker;
unsigned long app_code_csf;
unsigned long dcd_ptr_ptr;
unsigned long super_root_key;
unsigned long dcd;
unsigned long app_dest;
unsigned long dcd_barker;
unsigned long dcd_block_len;
};
#define IVT_HEADER_TAG 0xd1
#define IVT_VERSION 0x40
#define DCD_HEADER_TAG 0xd2
#define DCD_VERSION 0x40
#define DCD_COMMAND_WRITE_TAG 0xcc
#define DCD_COMMAND_WRITE_PARAM 0x04
/*
* At least on i.MX5 the ROM copies only full blocks. Unfortunately
* it does not round up to the next full block, we have to do it
* ourselves. Use 4095 which should be enough for the largest NAND
* pages.
*/
#define DCD_BAREBOX_SIZE (barebox_image_size + 4095)
struct imx_ivt_header {
uint8_t tag;
__be16 length;
uint8_t version;
} __attribute__((packed));
struct imx_dcd_command {
uint8_t tag;
__be16 length;
uint8_t param;
} __attribute__((packed));
struct imx_dcd {
struct imx_ivt_header header;
#ifndef IMX_INTERNAL_NAND_BBU
struct imx_dcd_command command;
#endif
};
struct imx_boot_data {
uint32_t start;
uint32_t size;
uint32_t plugin;
};
struct imx_flash_header_v2 {
struct imx_ivt_header header;
uint32_t entry;
uint32_t reserved1;
uint32_t dcd_ptr;
uint32_t boot_data_ptr;
uint32_t self;
uint32_t csf;
uint32_t reserved2;
struct imx_boot_data boot_data;
struct imx_dcd dcd;
};
/*
* A variant of the standard barebox header in the i.MX FCB
* format. Needed for i.MX53 NAND boot
*/
static inline void barebox_arm_imx_fcb_head(void)
{
__asm__ __volatile__ (
".arm\n"
" b 1f\n"
".word 0x20424346\n" /* FCB */
".word 0x1\n"
#ifdef CONFIG_THUMB2_BAREBOX
"1: adr r9, 1f + 1\n"
" bx r9\n"
".thumb\n"
"1:\n"
"bl reset\n"
#else
"1: b reset\n"
".word 0x0\n"
".word 0x0\n"
#endif
".word 0x0\n"
".word 0x0\n"
".asciz \"barebox\"\n"
".word _text\n" /* text base. If copied there,
* barebox can skip relocation
*/
".word _barebox_image_size\n" /* image size to copy */
);
}
#endif /* __MACH_FLASH_HEADER_H */
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