2 * Broadcom specific AMBA
3 * ChipCommon core driver
5 * Copyright 2005, Broadcom Corporation
6 * Copyright 2006, 2007, Michael Buesch <mb@bu3sch.de>
8 * Licensed under the GNU/GPL. See COPYING for details.
11 #include "bcma_private.h"
12 #include <linux/bcma/bcma.h>
14 static inline u32 bcma_cc_write32_masked(struct bcma_drv_cc *cc, u16 offset,
18 value |= bcma_cc_read32(cc, offset) & ~mask;
19 bcma_cc_write32(cc, offset, value);
24 void bcma_core_chipcommon_init(struct bcma_drv_cc *cc)
26 if (cc->core->id.rev >= 11)
27 cc->status = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
28 cc->capabilities = bcma_cc_read32(cc, BCMA_CC_CAP);
29 if (cc->core->id.rev >= 35)
30 cc->capabilities_ext = bcma_cc_read32(cc, BCMA_CC_CAP_EXT);
32 bcma_cc_write32(cc, 0x58, 0);
33 bcma_cc_write32(cc, 0x5C, 0);
35 if (cc->capabilities & BCMA_CC_CAP_PMU)
37 if (cc->capabilities & BCMA_CC_CAP_PCTL)
38 pr_err("Power control not implemented!\n");
41 /* Set chip watchdog reset timer to fire in 'ticks' backplane cycles */
42 void bcma_chipco_watchdog_timer_set(struct bcma_drv_cc *cc, u32 ticks)
45 bcma_cc_write32(cc, BCMA_CC_WATCHDOG, ticks);
48 void bcma_chipco_irq_mask(struct bcma_drv_cc *cc, u32 mask, u32 value)
50 bcma_cc_write32_masked(cc, BCMA_CC_IRQMASK, mask, value);
53 u32 bcma_chipco_irq_status(struct bcma_drv_cc *cc, u32 mask)
55 return bcma_cc_read32(cc, BCMA_CC_IRQSTAT) & mask;
58 u32 bcma_chipco_gpio_in(struct bcma_drv_cc *cc, u32 mask)
60 return bcma_cc_read32(cc, BCMA_CC_GPIOIN) & mask;
63 u32 bcma_chipco_gpio_out(struct bcma_drv_cc *cc, u32 mask, u32 value)
65 return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUT, mask, value);
68 u32 bcma_chipco_gpio_outen(struct bcma_drv_cc *cc, u32 mask, u32 value)
70 return bcma_cc_write32_masked(cc, BCMA_CC_GPIOOUTEN, mask, value);
73 u32 bcma_chipco_gpio_control(struct bcma_drv_cc *cc, u32 mask, u32 value)
75 return bcma_cc_write32_masked(cc, BCMA_CC_GPIOCTL, mask, value);
77 EXPORT_SYMBOL_GPL(bcma_chipco_gpio_control);
79 u32 bcma_chipco_gpio_intmask(struct bcma_drv_cc *cc, u32 mask, u32 value)
81 return bcma_cc_write32_masked(cc, BCMA_CC_GPIOIRQ, mask, value);
84 u32 bcma_chipco_gpio_polarity(struct bcma_drv_cc *cc, u32 mask, u32 value)
86 return bcma_cc_write32_masked(cc, BCMA_CC_GPIOPOL, mask, value);