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ar71xx: rewrite SPI drivers for the RB4xx boards

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* add a new SPI controller driver
  * add SPI driver for the CPLD chip
  * convert the NAND driver
  * enable the mikroSD slot
  * enable more LEDs

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22863 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2010-08-31 20:13:47 +00:00
parent c433567bd3
commit d1f333874d
31 changed files with 1544 additions and 401 deletions
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48
target/linux/ar71xx/files/arch/mips/include/asm/mach-ar71xx/rb4xx_cpld.h Normal file
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/*
* SPI driver definitions for the CPLD chip on the Mikrotik RB4xx boards
*
* Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
*
* This file was based on the patches for Linux 2.6.27.39 published by
* MikroTik for their RouterBoard 4xx series devices.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#define CPLD_GPIO_nLED1 0
#define CPLD_GPIO_nLED2 1
#define CPLD_GPIO_nLED3 2
#define CPLD_GPIO_nLED4 3
#define CPLD_GPIO_FAN 4
#define CPLD_GPIO_ALE 5
#define CPLD_GPIO_CLE 6
#define CPLD_GPIO_nCE 7
#define CPLD_GPIO_nLED5 8
#define CPLD_NUM_GPIOS 9
#define CPLD_CFG_nLED1 BIT(CPLD_GPIO_nLED1)
#define CPLD_CFG_nLED2 BIT(CPLD_GPIO_nLED2)
#define CPLD_CFG_nLED3 BIT(CPLD_GPIO_nLED3)
#define CPLD_CFG_nLED4 BIT(CPLD_GPIO_nLED4)
#define CPLD_CFG_FAN BIT(CPLD_GPIO_FAN)
#define CPLD_CFG_ALE BIT(CPLD_GPIO_ALE)
#define CPLD_CFG_CLE BIT(CPLD_GPIO_CLE)
#define CPLD_CFG_nCE BIT(CPLD_GPIO_nCE)
#define CPLD_CFG_nLED5 BIT(CPLD_GPIO_nLED5)
struct rb4xx_cpld_platform_data {
unsigned gpio_base;
};
extern int rb4xx_cpld_change_cfg(unsigned mask, unsigned value);
extern int rb4xx_cpld_read(unsigned char *rx_buf,
const unsigned char *verify_buf,
unsigned cnt);
extern int rb4xx_cpld_read_from(unsigned addr,
unsigned char *rx_buf,
const unsigned char *verify_buf,
unsigned cnt);
extern int rb4xx_cpld_write(const unsigned char *buf, unsigned count);