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yaml
---
r: 344168
b: refs/heads/master
c: 2da4c74
h: refs/heads/master
v: v3
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Hauke Mehrtens authored and John Crispin committed Dec 12, 2012
1 parent 2f4bdfa commit d7b7f72
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Showing 7 changed files with 19 additions and 253 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: ec43b08b5733494ad88aa618ecdf534320dd8207
refs/heads/master: 2da4c74dc3711275e82856e62884c99f7a45f541
2 changes: 1 addition & 1 deletion trunk/arch/mips/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -105,14 +105,14 @@ config ATH79

config BCM47XX
bool "Broadcom BCM47XX based boards"
select ARCH_WANT_OPTIONAL_GPIOLIB
select CEVT_R4K
select CSRC_R4K
select DMA_NONCOHERENT
select HW_HAS_PCI
select IRQ_CPU
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_LITTLE_ENDIAN
select GENERIC_GPIO
select SYS_HAS_EARLY_PRINTK
select CFE
help
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2 changes: 2 additions & 0 deletions trunk/arch/mips/bcm47xx/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@ config BCM47XX_SSB
select SSB_EMBEDDED
select SSB_B43_PCI_BRIDGE if PCI
select SSB_PCICORE_HOSTMODE if PCI
select SSB_DRIVER_GPIO
default y
help
Add support for old Broadcom BCM47xx boards with Sonics Silicon Backplane support.
Expand All @@ -23,6 +24,7 @@ config BCM47XX_BCMA
select BCMA_DRIVER_MIPS
select BCMA_HOST_PCI if PCI
select BCMA_DRIVER_PCI_HOSTMODE if PCI
select BCMA_DRIVER_GPIO
default y
help
Add support for new Broadcom BCM47xx boards with Broadcom specific Advanced Microcontroller Bus.
Expand Down
2 changes: 1 addition & 1 deletion trunk/arch/mips/bcm47xx/Makefile
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Expand Up @@ -3,5 +3,5 @@
# under Linux.
#

obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
obj-y += irq.o nvram.o prom.o serial.o setup.o time.o sprom.o
obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
102 changes: 0 additions & 102 deletions trunk/arch/mips/bcm47xx/gpio.c

This file was deleted.

8 changes: 6 additions & 2 deletions trunk/arch/mips/bcm47xx/wgt634u.c
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
#include <linux/leds.h>
#include <linux/mtd/physmap.h>
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_embedded.h>
#include <linux/interrupt.h>
#include <linux/reboot.h>
#include <linux/gpio.h>
Expand Down Expand Up @@ -116,7 +117,8 @@ static irqreturn_t gpio_interrupt(int irq, void *ignored)

/* Interrupt are level triggered, revert the interrupt polarity
to clear the interrupt. */
gpio_polarity(WGT634U_GPIO_RESET, state);
ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << WGT634U_GPIO_RESET,
state ? 1 << WGT634U_GPIO_RESET : 0);

if (!state) {
printk(KERN_INFO "Reset button pressed");
Expand Down Expand Up @@ -150,7 +152,9 @@ static int __init wgt634u_init(void)
gpio_interrupt, IRQF_SHARED,
"WGT634U GPIO", &bcm47xx_bus.ssb.chipco)) {
gpio_direction_input(WGT634U_GPIO_RESET);
gpio_intmask(WGT634U_GPIO_RESET, 1);
ssb_gpio_intmask(&bcm47xx_bus.ssb,
1 << WGT634U_GPIO_RESET,
1 << WGT634U_GPIO_RESET);
ssb_chipco_irq_mask(&bcm47xx_bus.ssb.chipco,
SSB_CHIPCO_IRQ_GPIO,
SSB_CHIPCO_IRQ_GPIO);
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154 changes: 8 additions & 146 deletions trunk/arch/mips/include/asm/mach-bcm47xx/gpio.h
Original file line number Diff line number Diff line change
@@ -1,155 +1,17 @@
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
*/
#ifndef __ASM_MIPS_MACH_BCM47XX_GPIO_H
#define __ASM_MIPS_MACH_BCM47XX_GPIO_H

#ifndef __BCM47XX_GPIO_H
#define __BCM47XX_GPIO_H
#include <asm-generic/gpio.h>

#include <linux/ssb/ssb_embedded.h>
#include <linux/bcma/bcma.h>
#include <asm/mach-bcm47xx/bcm47xx.h>
#define gpio_get_value __gpio_get_value
#define gpio_set_value __gpio_set_value

#define BCM47XX_EXTIF_GPIO_LINES 5
#define BCM47XX_CHIPCO_GPIO_LINES 16
#define gpio_cansleep __gpio_cansleep
#define gpio_to_irq __gpio_to_irq

extern int gpio_request(unsigned gpio, const char *label);
extern void gpio_free(unsigned gpio);
extern int gpio_to_irq(unsigned gpio);

static inline int gpio_get_value(unsigned gpio)
static inline int irq_to_gpio(unsigned int irq)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
return ssb_gpio_in(&bcm47xx_bus.ssb, 1 << gpio);
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc,
1 << gpio);
#endif
}
return -EINVAL;
}

#define gpio_get_value_cansleep gpio_get_value

static inline void gpio_set_value(unsigned gpio, int value)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio,
value ? 1 << gpio : 0);
return;
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
value ? 1 << gpio : 0);
return;
#endif
}
}

#define gpio_set_value_cansleep gpio_set_value

static inline int gpio_cansleep(unsigned gpio)
{
return 0;
}

static inline int gpio_is_valid(unsigned gpio)
{
return gpio < (BCM47XX_EXTIF_GPIO_LINES + BCM47XX_CHIPCO_GPIO_LINES);
}


static inline int gpio_direction_input(unsigned gpio)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 0);
return 0;
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
0);
return 0;
#endif
}
return -EINVAL;
}

static inline int gpio_direction_output(unsigned gpio, int value)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
/* first set the gpio out value */
ssb_gpio_out(&bcm47xx_bus.ssb, 1 << gpio,
value ? 1 << gpio : 0);
/* then set the gpio mode */
ssb_gpio_outen(&bcm47xx_bus.ssb, 1 << gpio, 1 << gpio);
return 0;
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
/* first set the gpio out value */
bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
value ? 1 << gpio : 0);
/* then set the gpio mode */
bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, 1 << gpio,
1 << gpio);
return 0;
#endif
}
return -EINVAL;
}

static inline int gpio_intmask(unsigned gpio, int value)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
ssb_gpio_intmask(&bcm47xx_bus.ssb, 1 << gpio,
value ? 1 << gpio : 0);
return 0;
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc,
1 << gpio, value ? 1 << gpio : 0);
return 0;
#endif
}
return -EINVAL;
}

static inline int gpio_polarity(unsigned gpio, int value)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
ssb_gpio_polarity(&bcm47xx_bus.ssb, 1 << gpio,
value ? 1 << gpio : 0);
return 0;
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
bcma_chipco_gpio_polarity(&bcm47xx_bus.bcma.bus.drv_cc,
1 << gpio, value ? 1 << gpio : 0);
return 0;
#endif
}
return -EINVAL;
}


#endif /* __BCM47XX_GPIO_H */

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