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/*
* This file is part of the flashrom project.
*
* Copyright (C) 2010 Carl-Daniel Hailfinger
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "flash.h"
#include "chipdrivers.h"
#include "spi.h"
/* Prettyprint the status register. Works for AMIC A25L series. */
static void spi_prettyprint_status_register_amic_a25_srwd(uint8_t status)
{
msg_cdbg("Chip status register: Status Register Write Disable "
"(SRWD) is %sset\n", (status & (1 << 7)) ? "" : "not ");
}
int spi_prettyprint_status_register_amic_a25l05p(struct flashctx *flash)
{
uint8_t status;
status = spi_read_status_register(flash);
msg_cdbg("Chip status register is %02x\n", status);
spi_prettyprint_status_register_amic_a25_srwd(status);
spi_prettyprint_status_register_bit(status, 6);
spi_prettyprint_status_register_bit(status, 5);
spi_prettyprint_status_register_bit(status, 4);
spi_prettyprint_status_register_bp(status, 1);
spi_prettyprint_status_register_welwip(status);
return 0;
}
int spi_prettyprint_status_register_amic_a25l40p(struct flashctx *flash)
{
uint8_t status;
status = spi_read_status_register(flash);
msg_cdbg("Chip status register is %02x\n", status);
spi_prettyprint_status_register_amic_a25_srwd(status);
spi_prettyprint_status_register_bit(status, 6);
spi_prettyprint_status_register_bit(status, 5);
spi_prettyprint_status_register_bp(status, 2);
spi_prettyprint_status_register_welwip(status);
return 0;
}
int spi_prettyprint_status_register_amic_a25l032(struct flashctx *flash)
{
uint8_t status;
status = spi_read_status_register(flash);
msg_cdbg("Chip status register is %02x\n", status);
spi_prettyprint_status_register_amic_a25_srwd(status);
msg_cdbg("Chip status register: Sector Protect Size (SEC) "
"is %i KB\n", (status & (1 << 6)) ? 4 : 64);
msg_cdbg("Chip status register: Top/Bottom (TB) "
"is %s\n", (status & (1 << 5)) ? "bottom" : "top");
spi_prettyprint_status_register_bp(status, 2);
spi_prettyprint_status_register_welwip(status);
msg_cdbg("Chip status register 2 is NOT decoded!\n");
return 0;
}
int spi_prettyprint_status_register_amic_a25lq032(struct flashctx *flash)
{
uint8_t status;
status = spi_read_status_register(flash);
msg_cdbg("Chip status register is %02x\n", status);
spi_prettyprint_status_register_amic_a25_srwd(status);
msg_cdbg("Chip status register: Sector Protect Size (SEC) "
"is %i KB\n", (status & (1 << 6)) ? 4 : 64);
msg_cdbg("Chip status register: Top/Bottom (TB) "
"is %s\n", (status & (1 << 5)) ? "bottom" : "top");
spi_prettyprint_status_register_bp(status, 2);
spi_prettyprint_status_register_welwip(status);
msg_cdbg("Chip status register 2 is NOT decoded!\n");
return 0;
}
/* FIXME: spi_disable_blockprotect is incorrect but works fine for chips using
* spi_prettyprint_status_register_amic_a25l05p or
* spi_prettyprint_status_register_amic_a25l40p.
* FIXME: spi_disable_blockprotect is incorrect and will fail for chips using
* spi_prettyprint_status_register_amic_a25l032 or
* spi_prettyprint_status_register_amic_a25lq032 if those have locks controlled
* by the second status register.
*/
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