mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-19 00:18:51 +09:00
![Simon Glass](/assets/img/avatar_default.png)
This is not used in U-Boot, and the only usage calls a non-existent function. Drop it. Signed-off-by: Simon Glass <sjg@chromium.org>
727 lines
17 KiB
C
727 lines
17 KiB
C
/*
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* (C) Copyright 2001
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* Denis Peter, MPL AG Switzerland, d.peter@mpl.ch
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <command.h>
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#include <video_fb.h>
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#include "common_util.h"
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#include <asm/processor.h>
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#include <asm/byteorder.h>
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#include <i2c.h>
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#include <pci.h>
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#include <malloc.h>
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#include <bzlib.h>
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#include <video.h>
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#ifdef CONFIG_PIP405
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#include "../pip405/pip405.h"
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#include <asm/4xx_pci.h>
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#endif
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#if defined(CONFIG_TARGET_MIP405) || defined(CONFIG_TARGET_MIP405T)
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#include "../mip405/mip405.h"
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#include <asm/4xx_pci.h>
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#endif
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DECLARE_GLOBAL_DATA_PTR;
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#if defined(CONFIG_PATI)
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#define FIRM_START 0xFFF00000
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#endif
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extern int mem_test(ulong start, ulong ramsize, int quiet);
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#define I2C_BACKUP_ADDR 0x7C00 /* 0x200 bytes for backup */
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#define IMAGE_SIZE CONFIG_SYS_MONITOR_LEN /* ugly, but it works for now */
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#if defined(CONFIG_PIP405) || defined(CONFIG_TARGET_MIP405) \
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|| defined(CONFIG_TARGET_MIP405T)
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/*-----------------------------------------------------------------------
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* On PIP/MIP405 we have 3 (4) possible boot mode
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*
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* - Boot from Flash (Flash CS = CS0, MPS CS = CS1)
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* - Boot from MPS (Flash CS = CS1, MPS CS = CS0)
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* - Boot from PCI with Flash map (Flash CS = CS0, MPS CS = CS1)
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* - Boot from PCI with MPS map (Flash CS = CS1, MPS CS = CS0)
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* The flash init is the first board specific routine which is called
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* after code relocation (running from SDRAM)
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* The first thing we do is to map the Flash CS to the Flash area and
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* the MPS CS to the MPS area. Since the flash size is unknown at this
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* point, we use the max flash size and the lowest flash address as base.
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*
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* After flash detection we adjust the size of the CS area accordingly.
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* update_flash_size() will fix in wrong values in the flash_info structure,
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* misc_init_r() will fix the values in the board info structure
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*/
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int get_boot_mode(void)
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{
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unsigned long pbcr;
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int res = 0;
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pbcr = mfdcr(CPC0_PSR);
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if ((pbcr & PSR_ROM_WIDTH_MASK) == 0)
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/* boot via MPS or MPS mapping */
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res = BOOT_MPS;
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if (pbcr & PSR_ROM_LOC)
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/* boot via PCI.. */
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res |= BOOT_PCI;
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return res;
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}
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/* Map the flash high (in boot area)
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This code can only be executed from SDRAM (after relocation).
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*/
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void setup_cs_reloc(void)
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{
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int mode;
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/*
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* since we are relocated, we can set-up the CS finaly
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* but first of all, switch off PCI mapping (in case it
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* was a PCI boot)
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*/
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out32r(PMM0MA, 0L);
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/* get boot mode */
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mode = get_boot_mode();
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/*
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* we map the flash high in every case
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* first find out to which CS the flash is attached to
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*/
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if (mode & BOOT_MPS) {
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/* map flash high on CS1 and MPS on CS0 */
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mtdcr(EBC0_CFGADDR, PB0AP);
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mtdcr(EBC0_CFGDATA, MPS_AP);
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mtdcr(EBC0_CFGADDR, PB0CR);
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mtdcr(EBC0_CFGDATA, MPS_CR);
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/*
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* we use the default values (max values) for the flash
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* because its real size is not yet known
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*/
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mtdcr(EBC0_CFGADDR, PB1AP);
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mtdcr(EBC0_CFGDATA, FLASH_AP);
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mtdcr(EBC0_CFGADDR, PB1CR);
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mtdcr(EBC0_CFGDATA, FLASH_CR_B);
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} else {
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/* map flash high on CS0 and MPS on CS1 */
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mtdcr(EBC0_CFGADDR, PB1AP);
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mtdcr(EBC0_CFGDATA, MPS_AP);
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mtdcr(EBC0_CFGADDR, PB1CR);
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mtdcr(EBC0_CFGDATA, MPS_CR);
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/*
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* we use the default values (max values) for the flash
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* because its real size is not yet known
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*/
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mtdcr(EBC0_CFGADDR, PB0AP);
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mtdcr(EBC0_CFGDATA, FLASH_AP);
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mtdcr(EBC0_CFGADDR, PB0CR);
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mtdcr(EBC0_CFGDATA, FLASH_CR_B);
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}
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}
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#endif /* #if defined(CONFIG_PIP405) || defined(CONFIG_TARGET_MIP405) */
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#ifdef CONFIG_SYS_UPDATE_FLASH_SIZE
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/* adjust flash start and protection info */
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int update_flash_size(int flash_size)
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{
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int i = 0, mode;
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flash_info_t *info = &flash_info[0];
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unsigned long flashcr;
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unsigned long flash_base = (0 - flash_size) & 0xFFF00000;
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if (flash_size > 128*1024*1024) {
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printf("\n ### ERROR, wrong flash size: %X, reset board ###\n",
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flash_size);
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hang();
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}
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if ((flash_size >> 20) != 0)
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i = __ilog2(flash_size >> 20);
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/* set up flash CS according to the size */
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mode = get_boot_mode();
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if (mode & BOOT_MPS) {
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/* flash is on CS1 */
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mtdcr(EBC0_CFGADDR, PB1CR);
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flashcr = mfdcr(EBC0_CFGDATA);
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/* we map the flash high in every case */
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flashcr &= 0x0001FFFF; /* mask out address bits */
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flashcr |= flash_base; /* start addr */
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flashcr |= (i << 17); /* size addr */
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mtdcr(EBC0_CFGADDR, PB1CR);
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mtdcr(EBC0_CFGDATA, flashcr);
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} else {
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/* flash is on CS0 */
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mtdcr(EBC0_CFGADDR, PB0CR);
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flashcr = mfdcr(EBC0_CFGDATA);
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/* we map the flash high in every case */
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flashcr &= 0x0001FFFF; /* mask out address bits */
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flashcr |= flash_base; /* start addr */
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flashcr |= (i << 17); /* size addr */
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mtdcr(EBC0_CFGADDR, PB0CR);
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mtdcr(EBC0_CFGDATA, flashcr);
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}
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for (i = 0; i < info->sector_count; i++)
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/* adjust sector start address */
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info->start[i] = flash_base +
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(info->start[i] - CONFIG_SYS_FLASH_BASE);
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/* unprotect all sectors */
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flash_protect(FLAG_PROTECT_CLEAR,
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info->start[0],
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0xFFFFFFFF,
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info);
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flash_protect_default();
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/* protect reset vector too*/
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flash_protect(FLAG_PROTECT_SET,
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info->start[info->sector_count-1],
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0xFFFFFFFF,
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info);
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return 0;
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}
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#endif
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static int
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mpl_prg(uchar *src, ulong size)
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{
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ulong start;
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flash_info_t *info = &flash_info[0];
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int i, rc;
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#if defined(CONFIG_PATI)
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int start_sect;
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#endif
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#if defined(CONFIG_PIP405) || defined(CONFIG_TARGET_MIP405) \
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|| defined(CONFIG_TARGET_MIP405T) || defined(CONFIG_PATI)
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char *copystr = (char *)src;
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ulong *magic = (ulong *)src;
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if (uimage_to_cpu (magic[0]) != IH_MAGIC) {
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puts("Bad Magic number\n");
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return -1;
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}
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/* some more checks before we delete the Flash... */
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/* Checking the ISO_STRING prevents to program a
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* wrong Firmware Image into the flash.
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*/
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i = 4; /* skip Magic number */
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while (1) {
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if (strncmp(©str[i], "MEV-", 4) == 0)
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break;
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if (i++ >= 0x100) {
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puts("Firmware Image for unknown Target\n");
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return -1;
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}
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}
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/* we have the ISO STRING, check */
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if (strncmp(©str[i], CONFIG_ISO_STRING, sizeof(CONFIG_ISO_STRING)-1) != 0) {
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printf("Wrong Firmware Image: %s\n", ©str[i]);
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return -1;
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}
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#if !defined(CONFIG_PATI)
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start = 0 - size;
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/* unprotect sectors used by u-boot */
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flash_protect(FLAG_PROTECT_CLEAR,
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start,
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0xFFFFFFFF,
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info);
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/* search start sector */
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for (i = info->sector_count-1; i > 0; i--)
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if (start >= info->start[i])
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break;
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/* now erase flash */
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printf("Erasing at %lx (sector %d) (start %lx)\n",
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start,i,info->start[i]);
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if ((rc = flash_erase (info, i, info->sector_count-1)) != 0) {
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puts("ERROR ");
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flash_perror(rc);
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return (1);
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}
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#else /* #if !defined(CONFIG_PATI) */
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start = FIRM_START;
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start_sect = -1;
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/* search start sector */
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for (i = info->sector_count-1; i > 0; i--)
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if (start >= info->start[i])
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break;
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start_sect = i;
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for (i = info->sector_count-1; i > 0; i--)
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if ((start + size) >= info->start[i])
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break;
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/* unprotect sectors used by u-boot */
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flash_protect(FLAG_PROTECT_CLEAR,
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start,
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start + size,
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info);
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/* now erase flash */
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printf ("Erasing at %lx to %lx (sector %d to %d) (%lx to %lx)\n",
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start, start + size, start_sect, i,
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info->start[start_sect], info->start[i]);
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if ((rc = flash_erase (info, start_sect, i)) != 0) {
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puts ("ERROR ");
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flash_perror (rc);
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return (1);
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}
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#endif /* defined(CONFIG_PATI) */
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#endif
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printf("flash erased, programming from 0x%lx 0x%lx Bytes\n",
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(ulong)src, size);
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if ((rc = flash_write ((char *)src, start, size)) != 0) {
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puts("ERROR ");
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flash_perror(rc);
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return (1);
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}
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puts("OK programming done\n");
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return 0;
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}
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static int
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mpl_prg_image(uchar *ld_addr)
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{
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unsigned long len;
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uchar *data;
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image_header_t *hdr = (image_header_t *)ld_addr;
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int rc;
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#if defined(CONFIG_FIT)
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if (genimg_get_format ((void *)hdr) != IMAGE_FORMAT_LEGACY) {
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puts ("Non legacy image format not supported\n");
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return -1;
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}
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#endif
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if (!image_check_magic (hdr)) {
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puts("Bad Magic Number\n");
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return 1;
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}
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image_print_contents (hdr);
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if (!image_check_os (hdr, IH_OS_U_BOOT)) {
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puts("No U-Boot Image\n");
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return 1;
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}
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if (!image_check_type (hdr, IH_TYPE_FIRMWARE)) {
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puts("No Firmware Image\n");
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return 1;
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}
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if (!image_check_hcrc (hdr)) {
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puts("Bad Header Checksum\n");
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return 1;
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}
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puts("Verifying Checksum ... ");
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if (!image_check_dcrc (hdr)) {
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puts("Bad Data CRC\n");
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return 1;
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}
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puts("OK\n");
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data = (uchar *)image_get_data (hdr);
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len = image_get_data_size (hdr);
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if (image_get_comp (hdr) != IH_COMP_NONE) {
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uchar *buf;
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/* reserve space for uncompressed image */
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if ((buf = malloc(IMAGE_SIZE)) == NULL) {
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puts("Insufficient space for decompression\n");
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return 1;
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}
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switch (image_get_comp (hdr)) {
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case IH_COMP_GZIP:
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puts("Uncompressing (GZIP) ... ");
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rc = gunzip ((void *)(buf), IMAGE_SIZE, data, &len);
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if (rc != 0) {
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puts("GUNZIP ERROR\n");
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free(buf);
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return 1;
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}
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puts("OK\n");
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break;
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#ifdef CONFIG_BZIP2
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case IH_COMP_BZIP2:
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puts("Uncompressing (BZIP2) ... ");
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{
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uint retlen = IMAGE_SIZE;
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rc = BZ2_bzBuffToBuffDecompress ((char *)(buf), &retlen,
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(char *)data, len, 0, 0);
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len = retlen;
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}
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if (rc != BZ_OK) {
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printf ("BUNZIP2 ERROR: %d\n", rc);
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free(buf);
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return 1;
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}
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puts("OK\n");
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break;
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#endif
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default:
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printf ("Unimplemented compression type %d\n",
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image_get_comp (hdr));
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free(buf);
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return 1;
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}
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rc = mpl_prg(buf, len);
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free(buf);
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} else {
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rc = mpl_prg(data, len);
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}
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return(rc);
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}
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#if !defined(CONFIG_PATI)
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void get_backup_values(backup_t *buf)
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{
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i2c_read(CONFIG_SYS_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)buf,sizeof(backup_t));
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}
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void set_backup_values(int overwrite)
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{
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backup_t back;
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int i;
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get_backup_values(&back);
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if(!overwrite) {
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if(strncmp(back.signature,"MPL\0",4)==0) {
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puts("Not possible to write Backup\n");
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return;
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}
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}
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memcpy(back.signature,"MPL\0",4);
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i = getenv_f("serial#",back.serial_name,16);
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if(i < 0) {
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puts("Not possible to write Backup\n");
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return;
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}
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back.serial_name[16]=0;
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i = getenv_f("ethaddr",back.eth_addr,20);
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if(i < 0) {
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puts("Not possible to write Backup\n");
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return;
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}
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back.eth_addr[20]=0;
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i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR, I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
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}
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void clear_env_values(void)
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{
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backup_t back;
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unsigned char env_crc[4];
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memset(&back,0xff,sizeof(backup_t));
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memset(env_crc,0x00,4);
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i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR,I2C_BACKUP_ADDR,2,(void *)&back,sizeof(backup_t));
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i2c_write(CONFIG_SYS_DEF_EEPROM_ADDR,CONFIG_ENV_OFFSET,2,(void *)env_crc,4);
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}
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/*
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* check crc of "older" environment
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*/
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int check_env_old_size(ulong oldsize)
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{
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ulong crc, len, new;
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unsigned off;
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uchar buf[64];
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/* read old CRC */
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eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR,
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CONFIG_ENV_OFFSET,
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(uchar *)&crc, sizeof(ulong));
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new = 0;
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len = oldsize;
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off = sizeof(long);
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len = oldsize-off;
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while (len > 0) {
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int n = (len > sizeof(buf)) ? sizeof(buf) : len;
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eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, buf, n);
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new = crc32 (new, buf, n);
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len -= n;
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off += n;
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}
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return (crc == new);
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}
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static ulong oldsizes[] = {
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0x200,
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0x800,
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0
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};
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void copy_old_env(ulong size)
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{
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uchar name_buf[64];
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uchar value_buf[0x800];
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uchar c;
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ulong len;
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unsigned off;
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uchar *name, *value;
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name = &name_buf[0];
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value = &value_buf[0];
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len=size;
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off = sizeof(long);
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while (len > off) {
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eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, &c, 1);
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if(c != '=') {
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*name++=c;
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off++;
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}
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else {
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*name++='\0';
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off++;
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do {
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eeprom_read (CONFIG_SYS_DEF_EEPROM_ADDR, CONFIG_ENV_OFFSET+off, &c, 1);
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*value++=c;
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off++;
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if(c == '\0')
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break;
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} while(len > off);
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name = &name_buf[0];
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value = &value_buf[0];
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if(strncmp((char *)name,"baudrate",8)!=0) {
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setenv((char *)name,(char *)value);
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}
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}
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}
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}
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void check_env(void)
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{
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char *s;
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int i=0;
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char buf[32];
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backup_t back;
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s=getenv("serial#");
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if(!s) {
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while(oldsizes[i]) {
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if(check_env_old_size(oldsizes[i]))
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|
break;
|
|
i++;
|
|
}
|
|
if(!oldsizes[i]) {
|
|
/* no old environment has been found */
|
|
get_backup_values (&back);
|
|
if (strncmp (back.signature, "MPL\0", 4) == 0) {
|
|
sprintf (buf, "%s", back.serial_name);
|
|
setenv ("serial#", buf);
|
|
sprintf (buf, "%s", back.eth_addr);
|
|
setenv ("ethaddr", buf);
|
|
printf ("INFO: serial# and ethaddr recovered, use saveenv\n");
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
copy_old_env(oldsizes[i]);
|
|
puts("INFO: old environment ajusted, use saveenv\n");
|
|
}
|
|
}
|
|
else {
|
|
/* check if back up is set */
|
|
get_backup_values(&back);
|
|
if(strncmp(back.signature,"MPL\0",4)!=0) {
|
|
set_backup_values(0);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif /* #if !defined(CONFIG_PATI) */
|
|
|
|
int do_mplcommon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
|
|
{
|
|
ulong ld_addr;
|
|
int result;
|
|
#if !defined(CONFIG_PATI)
|
|
ulong size = IMAGE_SIZE;
|
|
ulong src = MULTI_PURPOSE_SOCKET_ADDR;
|
|
backup_t back;
|
|
#endif
|
|
|
|
if (strcmp(argv[1], "flash") == 0)
|
|
{
|
|
#if defined(CONFIG_CMD_FDC)
|
|
if (strcmp(argv[2], "floppy") == 0) {
|
|
char *local_args[3];
|
|
extern int do_fdcboot (cmd_tbl_t *, int, int, char *[]);
|
|
puts("\nupdating bootloader image from floppy\n");
|
|
local_args[0] = argv[0];
|
|
if(argc==4) {
|
|
local_args[1] = argv[3];
|
|
local_args[2] = NULL;
|
|
ld_addr=simple_strtoul(argv[3], NULL, 16);
|
|
result=do_fdcboot(cmdtp, 0, 2, local_args);
|
|
}
|
|
else {
|
|
local_args[1] = NULL;
|
|
ld_addr=CONFIG_SYS_LOAD_ADDR;
|
|
result=do_fdcboot(cmdtp, 0, 1, local_args);
|
|
}
|
|
result=mpl_prg_image((uchar *)ld_addr);
|
|
return result;
|
|
}
|
|
#endif
|
|
if (strcmp(argv[2], "mem") == 0) {
|
|
if(argc==4) {
|
|
ld_addr=simple_strtoul(argv[3], NULL, 16);
|
|
}
|
|
else {
|
|
ld_addr=load_addr;
|
|
}
|
|
printf ("\nupdating bootloader image from memory at %lX\n",ld_addr);
|
|
result=mpl_prg_image((uchar *)ld_addr);
|
|
return result;
|
|
}
|
|
#if !defined(CONFIG_PATI)
|
|
if (strcmp(argv[2], "mps") == 0) {
|
|
puts("\nupdating bootloader image from MPS\n");
|
|
result=mpl_prg((uchar *)src,size);
|
|
return result;
|
|
}
|
|
#endif /* #if !defined(CONFIG_PATI) */
|
|
}
|
|
#if !defined(CONFIG_PATI)
|
|
if (strcmp(argv[1], "clearenvvalues") == 0)
|
|
{
|
|
if (strcmp(argv[2], "yes") == 0)
|
|
{
|
|
clear_env_values();
|
|
return 0;
|
|
}
|
|
}
|
|
if (strcmp(argv[1], "getback") == 0) {
|
|
get_backup_values(&back);
|
|
back.signature[3]=0;
|
|
back.serial_name[16]=0;
|
|
back.eth_addr[20]=0;
|
|
printf("GetBackUp: signature: %s\n",back.signature);
|
|
printf(" serial#: %s\n",back.serial_name);
|
|
printf(" ethaddr: %s\n",back.eth_addr);
|
|
return 0;
|
|
}
|
|
if (strcmp(argv[1], "setback") == 0) {
|
|
set_backup_values(1);
|
|
return 0;
|
|
}
|
|
#endif
|
|
return cmd_usage(cmdtp);
|
|
}
|
|
|
|
#ifdef CONFIG_VIDEO
|
|
/******************************************************
|
|
* Routines to display the Board information
|
|
* to the screen (since the VGA will be initialized as last,
|
|
* we must resend the infos)
|
|
*/
|
|
|
|
#ifdef CONFIG_CONSOLE_EXTRA_INFO
|
|
extern GraphicDevice ctfb;
|
|
extern int get_boot_mode(void);
|
|
|
|
void video_get_info_str (int line_number, char *info)
|
|
{
|
|
/* init video info strings for graphic console */
|
|
PPC4xx_SYS_INFO sys_info;
|
|
char rev;
|
|
int i,boot;
|
|
unsigned long pvr;
|
|
char buf[64];
|
|
char buf1[32], buf2[32], buf3[32], buf4[32];
|
|
char cpustr[16];
|
|
char *s, *e, bc;
|
|
switch (line_number)
|
|
{
|
|
case 2:
|
|
/* CPU and board infos */
|
|
pvr=get_pvr();
|
|
get_sys_info (&sys_info);
|
|
switch (pvr) {
|
|
case PVR_405GP_RB: rev='B'; break;
|
|
case PVR_405GP_RC: rev='C'; break;
|
|
case PVR_405GP_RD: rev='D'; break;
|
|
case PVR_405GP_RE: rev='E'; break;
|
|
case PVR_405GPR_RB: rev='B'; break;
|
|
default: rev='?'; break;
|
|
}
|
|
if(pvr==PVR_405GPR_RB)
|
|
sprintf(cpustr,"PPC405GPr %c",rev);
|
|
else
|
|
sprintf(cpustr,"PPC405GP %c",rev);
|
|
/* Board info */
|
|
i=0;
|
|
s=getenv ("serial#");
|
|
#ifdef CONFIG_PIP405
|
|
if (!s || strncmp (s, "PIP405", 6)) {
|
|
strcpy(buf,"### No HW ID - assuming PIP405");
|
|
}
|
|
#endif
|
|
#if defined(CONFIG_TARGET_MIP405) || defined(CONFIG_TARGET_MIP405T)
|
|
if (!s || strncmp (s, "MIP405", 6)) {
|
|
strcpy(buf,"### No HW ID - assuming MIP405");
|
|
}
|
|
#endif
|
|
else {
|
|
for (e = s; *e; ++e) {
|
|
if (*e == ' ')
|
|
break;
|
|
}
|
|
for (; s < e; ++s) {
|
|
if (*s == '_') {
|
|
++s;
|
|
break;
|
|
}
|
|
buf[i++] = *s;
|
|
}
|
|
strcpy(&buf[i]," SN ");
|
|
i+=4;
|
|
for (; s < e; ++s) {
|
|
buf[i++] = *s;
|
|
}
|
|
buf[i++]=0;
|
|
}
|
|
sprintf (info," %s %s %s MHz (%s/%s/%s MHz)",
|
|
buf, cpustr,
|
|
strmhz (buf1, gd->cpu_clk),
|
|
strmhz (buf2, sys_info.freqPLB),
|
|
strmhz (buf3, sys_info.freqPLB / sys_info.pllOpbDiv),
|
|
strmhz (buf4, sys_info.freqPLB / sys_info.pllExtBusDiv));
|
|
return;
|
|
case 3:
|
|
/* Memory Info */
|
|
boot = get_boot_mode();
|
|
bc = in8 (CONFIG_PORT_ADDR);
|
|
sprintf(info, " %luMB RAM, %luMB Flash Cfg 0x%02X %s %s",
|
|
gd->bd->bi_memsize / 0x100000,
|
|
gd->bd->bi_flashsize / 0x100000,
|
|
bc,
|
|
(boot & BOOT_MPS) ? "MPS boot" : "Flash boot",
|
|
ctfb.modeIdent);
|
|
return;
|
|
case 1:
|
|
strcpy(buf, CONFIG_IDENT_STRING);
|
|
sprintf (info, " %s", &buf[1]);
|
|
return;
|
|
}
|
|
/* no more info lines */
|
|
*info = 0;
|
|
return;
|
|
}
|
|
#endif /* CONFIG_CONSOLE_EXTRA_INFO */
|
|
|
|
#endif /* CONFIG_VIDEO */
|