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/*
* Broadcom specific AMBA
* ChipCommon core driver
*
* Copyright 2005, Broadcom Corporation
* Copyright 2006, 2007, Michael Buesch <m@bues.ch>
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
#include "bcma_private.h"
#include <linux/bcma/bcma.h>
static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset,
u32 mask, u32 value)
{
value &= mask;
value |= bcma_cc_read32(cc, offset) & ~mask;
bcma_cc_write32(cc, offset, value);
return value;
}
void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
{
u32 leddc_on = 10;
u32 leddc_off = 90;
if (cc->setup_done)
return;
if (cc->core->id.rev >= 11)
cc->status = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
cc->capabilities = bcma_cc_read32(cc, BCMA_CC_CAP);
if (cc->core->id.rev >= 35)
cc->capabilities_ext = bcma_cc_read32(cc, BCMA_CC_CAP_EXT);
if (cc->core->id.rev >= 20) {
bcma_cc_write32(cc, BCMA_CC_GPIOPULLUP, 0);
bcma_cc_write32(cc, BCMA_CC_GPIOPULLDOWN, 0);
}
if (cc->capabilities & BCMA_CC_CAP_PMU)
bcma_pmu_init(cc);
if (cc->capabilities & BCMA_CC_CAP_PCTL)
pr_err("Power control not implemented!\n");
if (cc->core->id.rev >= 16) {
if (cc->core->bus->sprom.leddc_on_time &&
cc->core->bus->sprom.leddc_off_time) {
leddc_on = cc->core->bus->sprom.leddc_on_time;
leddc_off = cc->core->bus->sprom.leddc_off_time;
}
bcma_cc_write32(cc, BCMA_CC_GPIOTIMER,
((leddc_on << BCMA_CC_GPIOTIMER_ONTIME_SHIFT) |
(leddc_off << BCMA_CC_GPIOTIMER_OFFTIME_SHIFT)));
}
cc->setup_done = true;
}
/* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
void bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks)
{
/* instant NMI */
bcma_cc_write32(cc, BCMA_CC_WATCHDOG, ticks);
}
void bcma_chipco_irq_mask(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
bcma_cc_write32_masked(cc, BCMA_CC_IRQMASK, mask, value);
}
u32 bcma_chipco_irq_status(struct bcma_drv_cc *cc, u32 mask)
{
return bcma_cc_read32(cc, BCMA_CC_IRQSTAT) & mask;
}
u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask)
{
return bcma_cc_read32(cc, BCMA_CC_GPIOIN) & mask;
}
u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value);
}
u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value);
}
u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
return bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value);
}
EXPORT_SYMBOL_GPL(bcma_chipco_gpio_control);
u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
return bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value);
}
u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value)
{
return bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value);
}
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