soc/intel/fsp_baytrail: remove nvm headers and code
This code is not used at all any longer. Remove it. BUG=b:69614064 Change-Id: I362280f876a335c0cc1c5691b86f5b27e3b5e2c9 Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/22904 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
parent
a71276b14e
commit
b4de9ec677
|
@ -33,7 +33,6 @@ romstage-y += memmap.c
|
|||
ramstage-y += tsc_freq.c
|
||||
romstage-y += tsc_freq.c
|
||||
smm-$(CONFIG_HAVE_SMI_HANDLER) += tsc_freq.c
|
||||
ramstage-$(CONFIG_CACHE_MRC_SETTINGS) += nvm.c
|
||||
ramstage-y += spi.c
|
||||
smm-$(CONFIG_HAVE_SMI_HANDLER) += spi.c
|
||||
ramstage-y += chip.c
|
||||
|
|
|
@ -1,30 +0,0 @@
|
|||
/*
|
||||
* This file is part of the coreboot project.
|
||||
*
|
||||
* Copyright (C) 2013 Google Inc.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; version 2 of the License.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*/
|
||||
|
||||
#ifndef _NVM_H_
|
||||
#define _NVM_H_
|
||||
|
||||
#include <stddef.h>
|
||||
|
||||
/* Determine if area is erased. returns 1 if erased. 0 otherwise. */
|
||||
int nvm_is_erased(const void *start, size_t size);
|
||||
|
||||
/* Erase region according to start and size. Returns < 0 on error else 0. */
|
||||
int nvm_erase(void *start, size_t size);
|
||||
|
||||
/* Write data to NVM. Returns 0 on success < 0 on error. */
|
||||
int nvm_write(void *start, const void *data, size_t size);
|
||||
|
||||
#endif /* _NVM_H_ */
|
|
@ -1,83 +0,0 @@
|
|||
/*
|
||||
* This file is part of the coreboot project.
|
||||
*
|
||||
* Copyright (C) 2013 Google Inc.
|
||||
* Copyright (C) 2014 Sage Electronic Engineering, LLC.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; version 2 of the License.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*/
|
||||
|
||||
#include <stdint.h>
|
||||
#include <stddef.h>
|
||||
#include <console/console.h>
|
||||
#include <string.h>
|
||||
#include <spi-generic.h>
|
||||
#include <spi_flash.h>
|
||||
#include <soc/nvm.h>
|
||||
#include <stdint.h>
|
||||
|
||||
/* This module assumes the flash is memory mapped just below 4GiB in the
|
||||
* address space for reading. Also this module assumes an area it erased
|
||||
* when all bytes read as all 0xff's. */
|
||||
|
||||
static struct spi_flash flash;
|
||||
static bool spi_flash_init_done;
|
||||
|
||||
static int nvm_init(void)
|
||||
{
|
||||
if (spi_flash_init_done == true)
|
||||
return 0;
|
||||
|
||||
spi_init();
|
||||
if (spi_flash_probe(0, 0, &flash)) {
|
||||
printk(BIOS_DEBUG, "Could not find SPI device\n");
|
||||
return -1;
|
||||
}
|
||||
|
||||
spi_flash_init_done = true;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Convert memory mapped pointer to flash offset. */
|
||||
static inline uint32_t to_flash_offset(void *p)
|
||||
{
|
||||
return CONFIG_ROM_SIZE + (uintptr_t)p;
|
||||
}
|
||||
|
||||
int nvm_is_erased(const void *start, size_t size)
|
||||
{
|
||||
const uint8_t *cur = start;
|
||||
const uint8_t erased_value = 0xff;
|
||||
|
||||
while (size > 0) {
|
||||
if (*cur != erased_value)
|
||||
return 0;
|
||||
cur++;
|
||||
size--;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
int nvm_erase(void *start, size_t size)
|
||||
{
|
||||
if (nvm_init() < 0)
|
||||
return -1;
|
||||
spi_flash_erase(&flash, to_flash_offset(start), size);
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Write data to NVM. Returns 0 on success < 0 on error. */
|
||||
int nvm_write(void *start, const void *data, size_t size)
|
||||
{
|
||||
if (nvm_init() < 0)
|
||||
return -1;
|
||||
spi_flash_write(&flash, to_flash_offset(start), size, data);
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue