config.h

em86xx 完整启动程序,支持网络下载与串通下载

/*****************************************
 Copyright (c) 2002-2004
 Sigma Designs, Inc. All Rights Reserved
 Proprietary and Confidential
 *****************************************/

/* This file is part of the EM86XX boot loader */

#ifndef __BOOTLOADER_CONFIG_H
#define __BOOTLOADER_CONFIG_H

#include "version.h"
#include "hardware.h"

//#define SET_SERVER_IP_FOR_DOWNLOAD

#define Usr_flash_start_addr 0x46000000+0x500000
#define Usr_flash_addr_len  0x300000
//
// EM86XX Memories
//

#define DRAM0_BASE		0x90000000
#define DRAM1_BASE		0xa0000000
#define DRAM2_BASE		0xb0000000

/* Right after bootloader, free memory start */
//#define LOADER_RESERVED		0x00100000 /* first 1MB is reserved */
#define LOADER_RESERVED		(FM_RESERVED)
#define FMEM_START		(DRAM0_BASE + LOADER_RESERVED)
#define KERNEL_PARAMS		(FMEM_START + 0x200)

#define CFG_2NDBOOT		0x200 // Offset to the configuration space

#ifndef CONFIG_OPTIMIZE_SIZE
#define FAST_OPERATION		// Use fast operation on memcpy
#endif

// ROM (Serial Flash)
#define LOADER_SFLASHBASE       MEMORY_BASE_HOST_SFLASH

// ROM (FlexROM or Parallel Flash)
#define LOADER_FLASHBASE        MEMORY_BASE_HOST_PFLASH
#ifdef CONFIG_ENABLE_2NDBOOT
#define LOADER_FLASH_ROMFSADDR  (LOADER_FLASHBASE + STAGE1_IMAGE_SIZE + STAGE2_IMAGE_SIZE)
#define LOADER_FLASH_STAGE2ADDR  (LOADER_FLASHBASE + STAGE1_IMAGE_SIZE)
#else
#define LOADER_FLASH_ROMFSADDR  (LOADER_FLASHBASE + STAGE1_IMAGE_SIZE)
#endif

//
// Loader Configuration area
//

#define LOADER_CONFIGADDR       (LOADER_DRAMBASE + 0x40)
#define LOADER_CONFIGBOOTSFLASH        0x414c4653      // "SFLA"
#define LOADER_CONFIGBOOTFLASH          0x414c4650      // "PFLA"
#define LOADER_CONFIGSECBOOTSFLASH  0x4c465353      // "SSFL"
#define LOADER_CONFIGSECBOOTFLASH    0x4c465053      // "SPFL"
#define LOADER_CONFIGBOOTVALID          0x4d474953      // "SIGM"
#define LOADER_CONFIGSIGN                    0x424d414d      // "MAMB"

// dram_size = (s == 0) ? 0 : 2^(s)
#define CONFIG_DRAMSIZE_0(s)    (s)
#define CONFIG_DRAMSIZE_1(s)    ((s) << 8)
#define CONFIG_DRAMSIZE_2(s)    ((s) << 16)
#define CONFIG_DRAMSIZE(s0, s1)         (CONFIG_DRAMSIZE_0(s0) | CONFIG_DRAMSIZE_1(s1))
#define CONFIG_GETDRAMSIZE_PARAM(x, n)  (((x) >> ((n) << 3)) & 0xff)
#define CONFIG_GETDRAMSIZE(x, n)        ((CONFIG_GETDRAMSIZE_PARAM(x, n) == 0) ? 0 : (1 << CONFIG_GETDRAMSIZE_PARAM(x, n)))

// configvalid
#define CONFIGVALID_PCISUBID    (1 << 0)
#define CONFIGVALID_PCIREVID    (1 << 1)
#define CONFIGVALID_PCIMEMSIZE  (1 << 2)

// boot flag (32 bits)
// bits [0..1] : boot flag
// bits [2..5]   : first boot media
//       2..4    : boot media
//          5    : encrypted flag
// bits [6..9]   : second boot media
//       6..8    : boot media
//          9    : encrypted flag
// bits [10..12] : load flag
#define BOOTFLAG_NONE           0x00    // do not boot automatically
#define BOOTFLAG_BOOT           0x01    // boot by the order of boot media
#define BOOTFLAG_DIRECT         0x02    // do not enter boot prompt mode
#define BOOTFLAG_RETRY          0x10000 // retry until it successes

#define BOOTFLAG_MEDIA_BITS     0x04    // bits assigned for boot media
#define BOOTFLAG_MEDIA_MASK     0x0F    // bitmask for boot media flags

#define BOOTFLAG_MEDIA_NONE     0x00    // No boot media
#define BOOTFLAG_MEDIA_FLASH    0x01    // ROM (FlexROM or Parallel Flash)
#define BOOTFLAG_MEDIA_HDD      0x02    // Hard Disk
#define BOOTFLAG_MEDIA_CD       0x03    // CD-ROM or DVD-ROM
#define BOOTFLAG_MEDIA_NETWORK  0x04    // Network (TFTP)
#define BOOTFLAG_MEDIA_NOP      0x05    // do nothing (infinite loop)
#define BOOTFLAG_MEDIA_CRYPT    0x08    // Encrypted media

#define BOOTFLAG_LOAD_NONE		0x00    // No load
#define BOOTFLAG_LOAD_IRQHANDLER	0x01    // Load irqhandler
#define BOOTFLAG_LOAD_BITMAP		0x02    // Load bitmaps
#define BOOTFLAG_LOAD_UCODE		0x04    // Load ucode
#define BOOTFLAG_LOAD_VSYNCPARAM	0x08    // Load vsync parameters
#define BOOTFLAG_LOAD_DVI		0x10    // Load ucode
#define BOOTFLAG_LOAD_MASK		0x0f
#define MAX_USERPREF_SIZE		0x20000 //96k            0x10000// 64KB max.

#define BOOTFLAG_BOOT_FIRST(x)  ((x) << 2)
#define BOOTFLAG_BOOT_SECOND(x) ((x) << 6)
#define BOOTFLAG_LOAD(x)        ((x) << 10)

#ifndef __ASSEMBLY__

typedef struct {
    unsigned int bootvalid;
    unsigned int filesize;
    unsigned int version;
    unsigned int signature;

    unsigned int sys_clkgen0_pll;
    unsigned int dram0_dunit_cfg;
    unsigned int dram1_dunit_cfg;
    unsigned int dunit_delay0_ctrl;

    unsigned int specific;
    unsigned int pci_subsystem_id;
    unsigned int pci_revision_id;
    unsigned int pci_memory_size;

    unsigned int bootflag;
    unsigned int configvalid;
    unsigned int dram_size;

    unsigned int imagesize;
    unsigned int checksum;

    unsigned int reserved[3];

    unsigned char boardname[16];
} loaderconfig_t;

//
// Bootable CD
//

// Platform ID for El torito boot CD - checked
#define ELTORITO_PLATFORM_ID_EM85xx     85
#define ELTORITO_PLATFORM_ID_EM86xx     86
#define ELTORITO_PLATFORM_ID            ELTORITO_PLATFORM_ID_EM86xx

// ID String for El torito boot CD - ignored
#define ELTORITO_ID_STRING              "SIGMA DESIGNS"
#undef ELTORITO_ID_STRING

//
// Kernel parameter
//

#define VECTORS_SIZE   0x200

// from Linux source : include/asm-arm/setup.h
#define ATAG_NONE   0x00000000

struct tag_header {
    unsigned int size;
    unsigned int tag;
};

#define ATAG_CMDLINE    0x54410009

struct tag_cmdline {
    char    cmdline[1];
};

#endif  // __ASSEMBLY__

//
// Memory organization for serial flash or parallel flash
//

#ifndef STAGE0_TEST_IMAGE_SIZE
#define STAGE0_TEST_IMAGE_SIZE  0
#endif
#define STAGE0_TEST_STACK_SIZE  (LR_STACKTOP)

#ifndef STAGE0_XTRA_IMAGE_SIZE
#define STAGE0_XTRA_IMAGE_SIZE  0
#endif
#define STAGE0_XTRA_STACK_SIZE  (LR_STACKTOP)

#define STAGE0_CRYPTO_STACK_SIZE  (LR_STACKTOP)
#define STAGE0_CRYPTO_IMAGE_START (STAGE0_CONFIG_ADDR + STAGE0_CORE_IMAGE_SIZE + STAGE0_XTRA_IMAGE_SIZE)

// size of image produced by loader-stage0.S
#define STAGE0_CORE_IMAGE_SIZE  0x400

// size of stage 0 image
#define STAGE0_IMAGE_SIZE       (STAGE0_CORE_IMAGE_SIZE + STAGE0_TEST_IMAGE_SIZE + STAGE0_XTRA_IMAGE_SIZE)

#ifndef CONFIG_TESTLOADERONRAM
#if defined(CONFIG_BOOTFROM_SFLASH)
#define STAGE0_TEST_IMAGE_START (LOADER_SFLASHBASE + STAGE0_CORE_IMAGE_SIZE)
#define STAGE0_XTRA_IMAGE_START (LOADER_SFLASHBASE + STAGE0_CORE_IMAGE_SIZE)
#define STAGE0_CONFIG_ADDR      (LOADER_SFLASHBASE)
#define STAGE1_IMAGE_START      (LOADER_SFLASHBASE + STAGE0_IMAGE_SIZE)     // Serial Flash
#define STAGE1_IMAGE_END        (LOADER_SFLASHBASE + STAGE1_IMAGE_SIZE)
#elif defined(CONFIG_BOOTFROM_FLASH)
#define STAGE0_TEST_IMAGE_START (LOADER_FLASHBASE + STAGE0_CORE_IMAGE_SIZE)
#define STAGE0_XTRA_IMAGE_START (LOADER_FLASHBASE + STAGE0_CORE_IMAGE_SIZE)
#define STAGE0_CONFIG_ADDR      (LOADER_FLASHBASE)
#define STAGE1_IMAGE_START      (LOADER_FLASHBASE + STAGE0_IMAGE_SIZE)  // Parallel Flash
#define STAGE1_IMAGE_END        (LOADER_FLASHBASE + STAGE1_IMAGE_SIZE)
#endif
#else
/* for 64MB DRAM */
#define LOADADDR_BOOT		(FMEM_START + 0x01800000)
/* for 32MB DRAM */
//#define LOADADDR_BOOT		(FMEM_START + 0x01300000)
#define STAGE0_TEST_IMAGE_START (LOADADDR_BOOT + STAGE0_CORE_IMAGE_SIZE + 4)
#define STAGE0_XTRA_IMAGE_START (LOADADDR_BOOT + STAGE0_CORE_IMAGE_SIZE + 4)

#define STAGE0_CONFIG_ADDR      (LOADADDR_BOOT + 4)
#define STAGE1_IMAGE_START      (LOADADDR_BOOT + STAGE0_IMAGE_SIZE + 4) // RAM (download via serial / testing purpose)
#define STAGE1_IMAGE_END        (LOADADDR_BOOT + STAGE1_IMAGE_SIZE)
#endif

#define STAGE1_LOAD_ADDR        LOADER_DRAMBASE
#define STAGE1_START_ADDR       LOADER_DRAMBASE
#define STAGE1_CONFIG_ADDR      LOADER_CONFIGADDR

//
// UART
//

//#define CONFIG_USE_SYSCLK	/* Use internal clock */

//
// PLL 
//

#define CPU_CLOCK_MIN       30
#define CPU_CLOCK_MAX       200

//
// Configuration
// 

#define CONFIG_ENABLE_CACHE

#ifdef CONFIG_ENABLE_COPYONRAM
#define CONFIG_COPYONRAM_ADDR   (FMEM_START)
#endif

// 
// configuration adjustment
// 

#ifdef CONFIG_RELEASE
#undef CONFIG_ENABLE_BOOTMENU
#endif  // CONFIG_RELEASE

#ifdef CONFIG_DEVEL
#define CONFIG_ENABLE_BOOTMENU
#endif  // CONFIG_DEVEL

#endif