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drivers/spi: Move M25Pxx commands to spi_winbond.h

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Move Winbond M25PXX command values to spi_winbond.h
file.
The command values will be used for programming SPI
contoller of Intel Braswell, using this include file.

Update winbond.c file with coreboot header.

BUG=N/A
TEST=Facebook FBG-1701 with flashrom

Change-Id: I9c17c4ed7004209bd3c619d47a7474b0b7e17495
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31710
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
This commit is contained in:
Frans Hendriks
2019-03-04 15:16:43 +01:00
committed by Patrick Georgi
parent 1385b7dd10
commit 31eac4d869
2 changed files with 49 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
src/drivers/spi/spi_winbond.h Normal file
View File

@@ -0,0 +1,37 @@
/*
* This file is part of the coreboot project.
*
* Copyright 2008, Network Appliance Inc.
* Author: Jason McMullan <mcmullan <at> netapp.com>
*
* 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.
*/
/* Winbond specific function */
/* M25Pxx-specific commands */
#define CMD_W25_WREN 0x06 /* Write Enable */
#define CMD_W25_WRDI 0x04 /* Write Disable */
#define CMD_W25_RDSR 0x05 /* Read Status Register */
#define CMD_W25_WRSR 0x01 /* Write Status Register */
#define CMD_W25_RDSR2 0x35 /* Read Status2 Register */
#define CMD_W25_WRSR2 0x31 /* Write Status2 Register */
#define CMD_W25_READ 0x03 /* Read Data Bytes */
#define CMD_W25_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */
#define CMD_W25_PP 0x02 /* Page Program */
#define CMD_W25_SE 0x20 /* Sector (4K) Erase */
#define CMD_W25_RDID 0x9f /* Read ID */
#define CMD_W25_BE 0xd8 /* Block (64K) Erase */
#define CMD_W25_CE 0xc7 /* Chip Erase */
#define CMD_W25_DP 0xb9 /* Deep Power-down */
#define CMD_W25_RES 0xab /* Release from DP and Read Signature */
#define CMD_VOLATILE_SREG_WREN 0x50 /* Write Enable for Volatile SREG */
/* tw: Maximum time to write a flash cell in milliseconds */
#define WINBOND_FLASH_TIMEOUT 30

34
src/drivers/spi/winbond.c
View File

@@ -1,7 +1,16 @@
/* /*
* Copyright 2008, Network Appliance Inc. * Copyright 2008, Network Appliance Inc.
* Author: Jason McMullan <mcmullan <at> netapp.com> * Jason McMullan <mcmullan@netapp.com>
* Licensed under the GPL-2 or later. *
* 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; either version 2 of
* the License, or (at your option) any later version.
*
* 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 <console/console.h> #include <console/console.h>
@@ -14,26 +23,7 @@
#include <lib.h> #include <lib.h>
#include "spi_flash_internal.h" #include "spi_flash_internal.h"
#include "spi_winbond.h"
/* M25Pxx-specific commands */
#define CMD_W25_WREN 0x06 /* Write Enable */
#define CMD_W25_WRDI 0x04 /* Write Disable */
#define CMD_W25_RDSR 0x05 /* Read Status Register */
#define CMD_W25_WRSR 0x01 /* Write Status Register */
#define CMD_W25_RDSR2 0x35 /* Read Status2 Register */
#define CMD_W25_WRSR2 0x31 /* Write Status2 Register */
#define CMD_W25_READ 0x03 /* Read Data Bytes */
#define CMD_W25_FAST_READ 0x0b /* Read Data Bytes at Higher Speed */
#define CMD_W25_PP 0x02 /* Page Program */
#define CMD_W25_SE 0x20 /* Sector (4K) Erase */
#define CMD_W25_BE 0xd8 /* Block (64K) Erase */
#define CMD_W25_CE 0xc7 /* Chip Erase */
#define CMD_W25_DP 0xb9 /* Deep Power-down */
#define CMD_W25_RES 0xab /* Release from DP, and Read Signature */
#define CMD_VOLATILE_SREG_WREN 0x50 /* Write Enable for Volatile SREG */
/* tw: Maximum time to write a flash cell in milliseconds */
#define WINBOND_FLASH_TIMEOUT 30
struct winbond_spi_flash_params { struct winbond_spi_flash_params {
uint16_t id; uint16_t id;