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broadcom-diag: add support for bcma 

SVN-Revision: 27905
This commit is contained in:
Hauke Mehrtens 2011-08-04 20:08:57 +00:00
parent b220442c75
commit 773ce8c319
2 changed files with 151 additions and 45 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
package/broadcom-diag/src/diag.c
View File

@ -149,9 +149,9 @@ static void __init bcm4780_init(void) {
/* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
ssb_gpio_outen(&ssb_bcm47xx, pin, pin);
ssb_gpio_control(&ssb_bcm47xx, pin, 0);
ssb_gpio_out(&ssb_bcm47xx, pin, pin);
gpio_outen(pin, pin);
gpio_control(pin, 0);
gpio_out(pin, pin);
/* Wait 5s, so the HDD can spin up */
set_current_state(TASK_INTERRUPTIBLE);
@ -161,14 +161,14 @@ static void __init bcm4780_init(void) {
static void __init NetCenter_init(void) {
/* unset pin 6 (+12V) */
int pin = 1 << 6;
ssb_gpio_outen(&ssb_bcm47xx, pin, pin);
ssb_gpio_control(&ssb_bcm47xx, pin, 0);
ssb_gpio_out(&ssb_bcm47xx, pin, pin);
gpio_outen(pin, pin);
gpio_control(pin, 0);
gpio_out(pin, pin);
/* unset pin 1 (turn off red led, blue will light alone if +5V comes up) */
pin = 1 << 1;
ssb_gpio_outen(&ssb_bcm47xx, pin, pin);
ssb_gpio_control(&ssb_bcm47xx, pin, 0);
ssb_gpio_out(&ssb_bcm47xx, pin, pin);
gpio_outen(pin, pin);
gpio_control(pin, 0);
gpio_out(pin, pin);
/* unset pin 3 (+5V) and wait 5 seconds (harddisk spin up) */
bcm4780_init();
}
@ -177,9 +177,9 @@ static void __init bcm57xx_init(void) {
int pin = 1 << 2;
/* FIXME: switch comes up, but port mappings/vlans not right */
ssb_gpio_outen(&ssb_bcm47xx, pin, pin);
ssb_gpio_control(&ssb_bcm47xx, pin, 0);
ssb_gpio_out(&ssb_bcm47xx, pin, pin);
gpio_outen(pin, pin);
gpio_control(pin, 0);
gpio_out(pin, pin);
}
static struct platform_t __initdata platforms[] = {
@ -1166,18 +1166,18 @@ static void register_buttons(struct button_t *b)
platform.button_mask &= ~gpiomask;
ssb_gpio_outen(&ssb_bcm47xx, platform.button_mask, 0);
ssb_gpio_control(&ssb_bcm47xx, platform.button_mask, 0);
platform.button_polarity = ssb_gpio_in(&ssb_bcm47xx, ~0) & platform.button_mask;
ssb_gpio_polarity(&ssb_bcm47xx, platform.button_mask, platform.button_polarity);
ssb_gpio_intmask(&ssb_bcm47xx, platform.button_mask, platform.button_mask);
gpio_outen(platform.button_mask, 0);
gpio_control(platform.button_mask, 0);
platform.button_polarity = gpio_in() & platform.button_mask;
gpio_intpolarity(platform.button_mask, platform.button_polarity);
gpio_setintmask(platform.button_mask, platform.button_mask);
gpio_set_irqenable(1, button_handler);
}
static void unregister_buttons(struct button_t *b)
{
ssb_gpio_intmask(&ssb_bcm47xx, platform.button_mask, 0);
gpio_setintmask(platform.button_mask, 0);
gpio_set_irqenable(0, button_handler);
}
@ -1237,12 +1237,12 @@ static irqreturn_t button_handler(int irq, void *dev_id)
struct button_t *b;
u32 in, changed;
in = ssb_gpio_in(&ssb_bcm47xx, ~0) & platform.button_mask;
ssb_gpio_polarity(&ssb_bcm47xx, platform.button_mask, in);
in = gpio_in() & platform.button_mask;
gpio_intpolarity(platform.button_mask, in);
changed = platform.button_polarity ^ in;
platform.button_polarity = in;
changed &= ~ssb_gpio_outen(&ssb_bcm47xx, 0, 0);
changed &= ~gpio_outen(0, 0);
for (b = platform.buttons; b->name; b++) {
struct event_t *event;
@ -1298,10 +1298,10 @@ static void register_leds(struct led_t *l)
}
}
ssb_gpio_outen(&ssb_bcm47xx, mask, oe_mask);
ssb_gpio_control(&ssb_bcm47xx, mask, 0);
ssb_gpio_out(&ssb_bcm47xx, mask, val);
ssb_gpio_intmask(&ssb_bcm47xx, mask, 0);
gpio_outen(mask, oe_mask);
gpio_control(mask, 0);
gpio_out(mask, val);
gpio_setintmask(mask, 0);
}
static void unregister_leds(struct led_t *l)
@ -1336,11 +1336,11 @@ static void led_flash(unsigned long dummy) {
mask &= ~gpiomask;
if (mask) {
u32 val = ~ssb_gpio_in(&ssb_bcm47xx, ~0);
u32 val = ~gpio_in();
ssb_gpio_outen(&ssb_bcm47xx, mask, mask);
ssb_gpio_control(&ssb_bcm47xx, mask, 0);
ssb_gpio_out(&ssb_bcm47xx, mask, val);
gpio_outen(mask, mask);
gpio_control(mask, 0);
gpio_out(mask, val);
}
if (mask || extif_blink) {
mod_timer(&led_timer, jiffies + FLASH_TIME);
@ -1367,7 +1367,7 @@ static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t
if (led->gpio & GPIO_TYPE_EXTIF) {
len = sprintf(page, "%d\n", led->state);
} else {
u32 in = (ssb_gpio_in(&ssb_bcm47xx, ~0) & led->gpio ? 1 : 0);
u32 in = (gpio_in() & led->gpio ? 1 : 0);
u8 p = (led->polarity == NORMAL ? 0 : 1);
len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
}
@ -1431,9 +1431,9 @@ static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count,
led->state = p ^ ((page[0] == '1') ? 1 : 0);
set_led_extif(led);
} else {
ssb_gpio_outen(&ssb_bcm47xx, led->gpio, led->gpio);
ssb_gpio_control(&ssb_bcm47xx, led->gpio, 0);
ssb_gpio_out(&ssb_bcm47xx, led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
gpio_outen(led->gpio, led->gpio);
gpio_control(led->gpio, 0);
gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
}
}
break;
@ -1464,13 +1464,6 @@ static int __init diag_init(void)
static struct proc_dir_entry *p;
static struct platform_t *detected;
#ifdef CONFIG_BCM47XX_SSB
if (bcm47xx_bus_type != BCM47XX_BUS_TYPE_SSB) {
printk(MODULE_NAME ": bcma bus is not supported.\n");
return -ENODEV;
}
#endif
detected = platform_detect();
if (!detected) {
printk(MODULE_NAME ": Router model not detected.\n");

123
package/broadcom-diag/src/gpio.h
View File

@ -1,13 +1,104 @@
#ifndef __DIAG_GPIO_H
#define __DIAG_GPIO_H
#include <linux/interrupt.h>
#include <linux/ssb/ssb_embedded.h>
#include <linux/gpio.h>
#include <asm/mach-bcm47xx/bcm47xx.h>
#include <bcm47xx.h>
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,0)
#define ssb_bcm47xx bcm47xx_bus.ssb
static inline u32 gpio_in(void)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
return ssb_gpio_in(&bcm47xx_bus.ssb, ~0);
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
return bcma_chipco_gpio_in(&bcm47xx_bus.bcma.bus.drv_cc, ~0);
#endif
}
return -EINVAL;
}
static inline u32 gpio_out(u32 mask, u32 value)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
return ssb_gpio_out(&bcm47xx_bus.ssb, mask, value);
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
return bcma_chipco_gpio_out(&bcm47xx_bus.bcma.bus.drv_cc, mask, value);
#endif
}
return -EINVAL;
}
static inline u32 gpio_outen(u32 mask, u32 value)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
ssb_gpio_outen(&bcm47xx_bus.ssb, mask, value);
return 0;
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
bcma_chipco_gpio_outen(&bcm47xx_bus.bcma.bus.drv_cc, mask, value);
return 0;
#endif
}
return -EINVAL;
}
static inline u32 gpio_control(u32 mask, u32 value)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
return ssb_gpio_control(&bcm47xx_bus.ssb, mask, value);
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
return bcma_chipco_gpio_control(&bcm47xx_bus.bcma.bus.drv_cc, mask, value);
#endif
}
return -EINVAL;
}
static inline u32 gpio_setintmask(u32 mask, u32 value)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
return ssb_gpio_intmask(&bcm47xx_bus.ssb, mask, value);
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
return bcma_chipco_gpio_intmask(&bcm47xx_bus.bcma.bus.drv_cc, mask, value);
#endif
}
return -EINVAL;
}
static inline u32 gpio_intpolarity(u32 mask, u32 value)
{
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
return ssb_gpio_polarity(&bcm47xx_bus.ssb, mask, value);
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
return bcma_chipco_gpio_polarity(&bcm47xx_bus.bcma.bus.drv_cc, mask, value);
#endif
}
return -EINVAL;
}
#ifdef CONFIG_BCM47XX_SSB
static inline u32 __ssb_write32_masked(struct ssb_device *dev, u16 offset,
u32 mask, u32 value)
{
@ -16,6 +107,18 @@ static inline u32 __ssb_write32_masked(struct ssb_device *dev, u16 offset,
ssb_write32(dev, offset, value);
return value;
}
#endif
#ifdef CONFIG_BCM47XX_BCMA
static inline u32 __bcma_write32_masked(struct bcma_device *dev, u16 offset,
u32 mask, u32 value)
{
value &= mask;
value |= bcma_read32(dev, offset) & ~mask;
bcma_write32(dev, offset, value);
return value;
}
#endif
static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
{
@ -31,8 +134,18 @@ static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *))
free_irq(irq, handler);
}
if (ssb_bcm47xx.chipco.dev)
__ssb_write32_masked(ssb_bcm47xx.chipco.dev, SSB_CHIPCO_IRQMASK, SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
switch (bcm47xx_bus_type) {
#ifdef CONFIG_BCM47XX_SSB
case BCM47XX_BUS_TYPE_SSB:
if (bcm47xx_bus.ssb.chipco.dev)
__ssb_write32_masked(bcm47xx_bus.ssb.chipco.dev, SSB_CHIPCO_IRQMASK, SSB_CHIPCO_IRQ_GPIO, (enabled ? SSB_CHIPCO_IRQ_GPIO : 0));
#endif
#ifdef CONFIG_BCM47XX_BCMA
case BCM47XX_BUS_TYPE_BCMA:
if (bcm47xx_bus.bcma.bus.drv_cc.core)
__bcma_write32_masked(bcm47xx_bus.bcma.bus.drv_cc.core, BCMA_CC_IRQMASK, BCMA_CC_IRQ_GPIO, (enabled ? BCMA_CC_IRQ_GPIO : 0));
#endif
}
}
#define EXTIF_ADDR 0x1f000000