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ssb: Add PMU support
This adds support for the SSB PMU. A PMU is found on Low-Power devices. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch
John W. Linville
parent
baf62eecfa
commit
c970314615
4 changed files with 734 additions and 13 deletions
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@ -9,6 +9,7 @@ ssb-$(CONFIG_SSB_PCMCIAHOST) += pcmcia.o
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# built-in drivers
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ssb-y += driver_chipcommon.o
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ssb-y += driver_chipcommon_pmu.o
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ssb-$(CONFIG_SSB_DRIVER_MIPS) += driver_mipscore.o
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ssb-$(CONFIG_SSB_DRIVER_EXTIF) += driver_extif.o
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ssb-$(CONFIG_SSB_DRIVER_PCICORE) += driver_pcicore.o
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@ -26,19 +26,6 @@ enum ssb_clksrc {
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};
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static inline u32 chipco_read32(struct ssb_chipcommon *cc,
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u16 offset)
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{
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return ssb_read32(cc->dev, offset);
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}
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static inline void chipco_write32(struct ssb_chipcommon *cc,
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u16 offset,
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u32 value)
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{
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ssb_write32(cc->dev, offset, value);
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}
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static inline u32 chipco_write32_masked(struct ssb_chipcommon *cc, u16 offset,
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u32 mask, u32 value)
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{
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@ -246,6 +233,7 @@ void ssb_chipcommon_init(struct ssb_chipcommon *cc)
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{
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if (!cc->dev)
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return; /* We don't have a ChipCommon */
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ssb_pmu_init(cc);
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chipco_powercontrol_init(cc);
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ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
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calc_fast_powerup_delay(cc);
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508
drivers/ssb/driver_chipcommon_pmu.c
Normal file
508
drivers/ssb/driver_chipcommon_pmu.c
Normal file
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@ -0,0 +1,508 @@
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/*
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* Sonics Silicon Backplane
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* Broadcom ChipCommon Power Management Unit driver
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*
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* Copyright 2009, Michael Buesch <mb@bu3sch.de>
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* Copyright 2007, Broadcom Corporation
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*
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* Licensed under the GNU/GPL. See COPYING for details.
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*/
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#include <linux/ssb/ssb.h>
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#include <linux/ssb/ssb_regs.h>
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#include <linux/ssb/ssb_driver_chipcommon.h>
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#include <linux/delay.h>
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#include "ssb_private.h"
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static u32 ssb_chipco_pll_read(struct ssb_chipcommon *cc, u32 offset)
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{
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chipco_write32(cc, SSB_CHIPCO_PLLCTL_ADDR, offset);
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return chipco_read32(cc, SSB_CHIPCO_PLLCTL_DATA);
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}
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static void ssb_chipco_pll_write(struct ssb_chipcommon *cc,
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u32 offset, u32 value)
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{
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chipco_write32(cc, SSB_CHIPCO_PLLCTL_ADDR, offset);
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chipco_write32(cc, SSB_CHIPCO_PLLCTL_DATA, value);
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}
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struct pmu0_plltab_entry {
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u16 freq; /* Crystal frequency in kHz.*/
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u8 xf; /* Crystal frequency value for PMU control */
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u8 wb_int;
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u32 wb_frac;
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};
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static const struct pmu0_plltab_entry pmu0_plltab[] = {
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{ .freq = 12000, .xf = 1, .wb_int = 73, .wb_frac = 349525, },
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{ .freq = 13000, .xf = 2, .wb_int = 67, .wb_frac = 725937, },
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{ .freq = 14400, .xf = 3, .wb_int = 61, .wb_frac = 116508, },
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{ .freq = 15360, .xf = 4, .wb_int = 57, .wb_frac = 305834, },
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{ .freq = 16200, .xf = 5, .wb_int = 54, .wb_frac = 336579, },
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{ .freq = 16800, .xf = 6, .wb_int = 52, .wb_frac = 399457, },
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{ .freq = 19200, .xf = 7, .wb_int = 45, .wb_frac = 873813, },
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{ .freq = 19800, .xf = 8, .wb_int = 44, .wb_frac = 466033, },
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{ .freq = 20000, .xf = 9, .wb_int = 44, .wb_frac = 0, },
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{ .freq = 25000, .xf = 10, .wb_int = 70, .wb_frac = 419430, },
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{ .freq = 26000, .xf = 11, .wb_int = 67, .wb_frac = 725937, },
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{ .freq = 30000, .xf = 12, .wb_int = 58, .wb_frac = 699050, },
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{ .freq = 38400, .xf = 13, .wb_int = 45, .wb_frac = 873813, },
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{ .freq = 40000, .xf = 14, .wb_int = 45, .wb_frac = 0, },
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};
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#define SSB_PMU0_DEFAULT_XTALFREQ 20000
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static const struct pmu0_plltab_entry * pmu0_plltab_find_entry(u32 crystalfreq)
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{
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const struct pmu0_plltab_entry *e;
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(pmu0_plltab); i++) {
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e = &pmu0_plltab[i];
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if (e->freq == crystalfreq)
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return e;
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}
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return NULL;
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}
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/* Tune the PLL to the crystal speed. crystalfreq is in kHz. */
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static void ssb_pmu0_pllinit_r0(struct ssb_chipcommon *cc,
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u32 crystalfreq)
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{
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struct ssb_bus *bus = cc->dev->bus;
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const struct pmu0_plltab_entry *e = NULL;
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u32 pmuctl, tmp, pllctl;
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unsigned int i;
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if ((bus->chip_id == 0x5354) && !crystalfreq) {
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/* The 5354 crystal freq is 25MHz */
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crystalfreq = 25000;
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}
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if (crystalfreq)
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e = pmu0_plltab_find_entry(crystalfreq);
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if (!e)
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e = pmu0_plltab_find_entry(SSB_PMU0_DEFAULT_XTALFREQ);
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BUG_ON(!e);
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crystalfreq = e->freq;
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cc->pmu.crystalfreq = e->freq;
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/* Check if the PLL already is programmed to this frequency. */
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pmuctl = chipco_read32(cc, SSB_CHIPCO_PMU_CTL);
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if (((pmuctl & SSB_CHIPCO_PMU_CTL_XTALFREQ) >> SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT) == e->xf) {
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/* We're already there... */
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return;
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}
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ssb_printk(KERN_INFO PFX "Programming PLL to %u.%03u MHz\n",
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(crystalfreq / 1000), (crystalfreq % 1000));
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/* First turn the PLL off. */
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switch (bus->chip_id) {
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case 0x4328:
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chipco_mask32(cc, SSB_CHIPCO_PMU_MINRES_MSK,
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~(1 << SSB_PMURES_4328_BB_PLL_PU));
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chipco_mask32(cc, SSB_CHIPCO_PMU_MAXRES_MSK,
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~(1 << SSB_PMURES_4328_BB_PLL_PU));
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break;
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case 0x5354:
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chipco_mask32(cc, SSB_CHIPCO_PMU_MINRES_MSK,
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~(1 << SSB_PMURES_5354_BB_PLL_PU));
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chipco_mask32(cc, SSB_CHIPCO_PMU_MAXRES_MSK,
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~(1 << SSB_PMURES_5354_BB_PLL_PU));
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break;
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default:
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SSB_WARN_ON(1);
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}
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for (i = 1500; i; i--) {
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tmp = chipco_read32(cc, SSB_CHIPCO_CLKCTLST);
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if (!(tmp & SSB_CHIPCO_CLKCTLST_HAVEHT))
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break;
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udelay(10);
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}
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tmp = chipco_read32(cc, SSB_CHIPCO_CLKCTLST);
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if (tmp & SSB_CHIPCO_CLKCTLST_HAVEHT)
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ssb_printk(KERN_EMERG PFX "Failed to turn the PLL off!\n");
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/* Set PDIV in PLL control 0. */
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pllctl = ssb_chipco_pll_read(cc, SSB_PMU0_PLLCTL0);
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if (crystalfreq >= SSB_PMU0_PLLCTL0_PDIV_FREQ)
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pllctl |= SSB_PMU0_PLLCTL0_PDIV_MSK;
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else
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pllctl &= ~SSB_PMU0_PLLCTL0_PDIV_MSK;
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ssb_chipco_pll_write(cc, SSB_PMU0_PLLCTL0, pllctl);
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/* Set WILD in PLL control 1. */
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pllctl = ssb_chipco_pll_read(cc, SSB_PMU0_PLLCTL1);
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pllctl &= ~SSB_PMU0_PLLCTL1_STOPMOD;
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pllctl &= ~(SSB_PMU0_PLLCTL1_WILD_IMSK | SSB_PMU0_PLLCTL1_WILD_FMSK);
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pllctl |= ((u32)e->wb_int << SSB_PMU0_PLLCTL1_WILD_IMSK_SHIFT) & SSB_PMU0_PLLCTL1_WILD_IMSK;
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pllctl |= ((u32)e->wb_frac << SSB_PMU0_PLLCTL1_WILD_FMSK_SHIFT) & SSB_PMU0_PLLCTL1_WILD_FMSK;
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if (e->wb_frac == 0)
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pllctl |= SSB_PMU0_PLLCTL1_STOPMOD;
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ssb_chipco_pll_write(cc, SSB_PMU0_PLLCTL1, pllctl);
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/* Set WILD in PLL control 2. */
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pllctl = ssb_chipco_pll_read(cc, SSB_PMU0_PLLCTL2);
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pllctl &= ~SSB_PMU0_PLLCTL2_WILD_IMSKHI;
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pllctl |= (((u32)e->wb_int >> 4) << SSB_PMU0_PLLCTL2_WILD_IMSKHI_SHIFT) & SSB_PMU0_PLLCTL2_WILD_IMSKHI;
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ssb_chipco_pll_write(cc, SSB_PMU0_PLLCTL2, pllctl);
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/* Set the crystalfrequency and the divisor. */
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pmuctl = chipco_read32(cc, SSB_CHIPCO_PMU_CTL);
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pmuctl &= ~SSB_CHIPCO_PMU_CTL_ILP_DIV;
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pmuctl |= (((crystalfreq + 127) / 128 - 1) << SSB_CHIPCO_PMU_CTL_ILP_DIV_SHIFT)
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& SSB_CHIPCO_PMU_CTL_ILP_DIV;
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pmuctl &= ~SSB_CHIPCO_PMU_CTL_XTALFREQ;
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pmuctl |= ((u32)e->xf << SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT) & SSB_CHIPCO_PMU_CTL_XTALFREQ;
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chipco_write32(cc, SSB_CHIPCO_PMU_CTL, pmuctl);
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}
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struct pmu1_plltab_entry {
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u16 freq; /* Crystal frequency in kHz.*/
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u8 xf; /* Crystal frequency value for PMU control */
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u8 ndiv_int;
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u32 ndiv_frac;
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u8 p1div;
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u8 p2div;
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};
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static const struct pmu1_plltab_entry pmu1_plltab[] = {
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{ .freq = 12000, .xf = 1, .p1div = 3, .p2div = 22, .ndiv_int = 0x9, .ndiv_frac = 0xFFFFEF, },
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{ .freq = 13000, .xf = 2, .p1div = 1, .p2div = 6, .ndiv_int = 0xb, .ndiv_frac = 0x483483, },
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{ .freq = 14400, .xf = 3, .p1div = 1, .p2div = 10, .ndiv_int = 0xa, .ndiv_frac = 0x1C71C7, },
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{ .freq = 15360, .xf = 4, .p1div = 1, .p2div = 5, .ndiv_int = 0xb, .ndiv_frac = 0x755555, },
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{ .freq = 16200, .xf = 5, .p1div = 1, .p2div = 10, .ndiv_int = 0x5, .ndiv_frac = 0x6E9E06, },
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{ .freq = 16800, .xf = 6, .p1div = 1, .p2div = 10, .ndiv_int = 0x5, .ndiv_frac = 0x3CF3CF, },
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{ .freq = 19200, .xf = 7, .p1div = 1, .p2div = 9, .ndiv_int = 0x5, .ndiv_frac = 0x17B425, },
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{ .freq = 19800, .xf = 8, .p1div = 1, .p2div = 11, .ndiv_int = 0x4, .ndiv_frac = 0xA57EB, },
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{ .freq = 20000, .xf = 9, .p1div = 1, .p2div = 11, .ndiv_int = 0x4, .ndiv_frac = 0, },
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{ .freq = 24000, .xf = 10, .p1div = 3, .p2div = 11, .ndiv_int = 0xa, .ndiv_frac = 0, },
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{ .freq = 25000, .xf = 11, .p1div = 5, .p2div = 16, .ndiv_int = 0xb, .ndiv_frac = 0, },
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{ .freq = 26000, .xf = 12, .p1div = 1, .p2div = 2, .ndiv_int = 0x10, .ndiv_frac = 0xEC4EC4, },
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{ .freq = 30000, .xf = 13, .p1div = 3, .p2div = 8, .ndiv_int = 0xb, .ndiv_frac = 0, },
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{ .freq = 38400, .xf = 14, .p1div = 1, .p2div = 5, .ndiv_int = 0x4, .ndiv_frac = 0x955555, },
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{ .freq = 40000, .xf = 15, .p1div = 1, .p2div = 2, .ndiv_int = 0xb, .ndiv_frac = 0, },
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};
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#define SSB_PMU1_DEFAULT_XTALFREQ 15360
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static const struct pmu1_plltab_entry * pmu1_plltab_find_entry(u32 crystalfreq)
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{
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const struct pmu1_plltab_entry *e;
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(pmu1_plltab); i++) {
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e = &pmu1_plltab[i];
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if (e->freq == crystalfreq)
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return e;
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}
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return NULL;
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}
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/* Tune the PLL to the crystal speed. crystalfreq is in kHz. */
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static void ssb_pmu1_pllinit_r0(struct ssb_chipcommon *cc,
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u32 crystalfreq)
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{
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struct ssb_bus *bus = cc->dev->bus;
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const struct pmu1_plltab_entry *e = NULL;
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u32 buffer_strength = 0;
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u32 tmp, pllctl, pmuctl;
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unsigned int i;
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if (bus->chip_id == 0x4312) {
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/* We do not touch the BCM4312 PLL and assume
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* the default crystal settings work out-of-the-box. */
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cc->pmu.crystalfreq = 20000;
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return;
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}
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if (crystalfreq)
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e = pmu1_plltab_find_entry(crystalfreq);
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if (!e)
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e = pmu1_plltab_find_entry(SSB_PMU1_DEFAULT_XTALFREQ);
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BUG_ON(!e);
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crystalfreq = e->freq;
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cc->pmu.crystalfreq = e->freq;
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/* Check if the PLL already is programmed to this frequency. */
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pmuctl = chipco_read32(cc, SSB_CHIPCO_PMU_CTL);
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if (((pmuctl & SSB_CHIPCO_PMU_CTL_XTALFREQ) >> SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT) == e->xf) {
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/* We're already there... */
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return;
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}
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ssb_printk(KERN_INFO PFX "Programming PLL to %u.%03u MHz\n",
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(crystalfreq / 1000), (crystalfreq % 1000));
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/* First turn the PLL off. */
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switch (bus->chip_id) {
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case 0x4325:
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chipco_mask32(cc, SSB_CHIPCO_PMU_MINRES_MSK,
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~((1 << SSB_PMURES_4325_BBPLL_PWRSW_PU) |
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(1 << SSB_PMURES_4325_HT_AVAIL)));
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chipco_mask32(cc, SSB_CHIPCO_PMU_MAXRES_MSK,
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~((1 << SSB_PMURES_4325_BBPLL_PWRSW_PU) |
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(1 << SSB_PMURES_4325_HT_AVAIL)));
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/* Adjust the BBPLL to 2 on all channels later. */
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buffer_strength = 0x222222;
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break;
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default:
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SSB_WARN_ON(1);
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}
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for (i = 1500; i; i--) {
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tmp = chipco_read32(cc, SSB_CHIPCO_CLKCTLST);
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if (!(tmp & SSB_CHIPCO_CLKCTLST_HAVEHT))
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break;
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udelay(10);
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}
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tmp = chipco_read32(cc, SSB_CHIPCO_CLKCTLST);
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if (tmp & SSB_CHIPCO_CLKCTLST_HAVEHT)
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ssb_printk(KERN_EMERG PFX "Failed to turn the PLL off!\n");
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/* Set p1div and p2div. */
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pllctl = ssb_chipco_pll_read(cc, SSB_PMU1_PLLCTL0);
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pllctl &= ~(SSB_PMU1_PLLCTL0_P1DIV | SSB_PMU1_PLLCTL0_P2DIV);
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pllctl |= ((u32)e->p1div << SSB_PMU1_PLLCTL0_P1DIV_SHIFT) & SSB_PMU1_PLLCTL0_P1DIV;
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pllctl |= ((u32)e->p2div << SSB_PMU1_PLLCTL0_P2DIV_SHIFT) & SSB_PMU1_PLLCTL0_P2DIV;
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ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL0, pllctl);
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/* Set ndiv int and ndiv mode */
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pllctl = ssb_chipco_pll_read(cc, SSB_PMU1_PLLCTL2);
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pllctl &= ~(SSB_PMU1_PLLCTL2_NDIVINT | SSB_PMU1_PLLCTL2_NDIVMODE);
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pllctl |= ((u32)e->ndiv_int << SSB_PMU1_PLLCTL2_NDIVINT_SHIFT) & SSB_PMU1_PLLCTL2_NDIVINT;
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pllctl |= (1 << SSB_PMU1_PLLCTL2_NDIVMODE_SHIFT) & SSB_PMU1_PLLCTL2_NDIVMODE;
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ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL2, pllctl);
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/* Set ndiv frac */
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pllctl = ssb_chipco_pll_read(cc, SSB_PMU1_PLLCTL3);
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pllctl &= ~SSB_PMU1_PLLCTL3_NDIVFRAC;
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pllctl |= ((u32)e->ndiv_frac << SSB_PMU1_PLLCTL3_NDIVFRAC_SHIFT) & SSB_PMU1_PLLCTL3_NDIVFRAC;
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ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL3, pllctl);
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/* Change the drive strength, if required. */
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if (buffer_strength) {
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pllctl = ssb_chipco_pll_read(cc, SSB_PMU1_PLLCTL5);
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pllctl &= ~SSB_PMU1_PLLCTL5_CLKDRV;
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pllctl |= (buffer_strength << SSB_PMU1_PLLCTL5_CLKDRV_SHIFT) & SSB_PMU1_PLLCTL5_CLKDRV;
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ssb_chipco_pll_write(cc, SSB_PMU1_PLLCTL5, pllctl);
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}
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/* Tune the crystalfreq and the divisor. */
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pmuctl = chipco_read32(cc, SSB_CHIPCO_PMU_CTL);
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pmuctl &= ~(SSB_CHIPCO_PMU_CTL_ILP_DIV | SSB_CHIPCO_PMU_CTL_XTALFREQ);
|
||||
pmuctl |= ((((u32)e->freq + 127) / 128 - 1) << SSB_CHIPCO_PMU_CTL_ILP_DIV_SHIFT)
|
||||
& SSB_CHIPCO_PMU_CTL_ILP_DIV;
|
||||
pmuctl |= ((u32)e->xf << SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT) & SSB_CHIPCO_PMU_CTL_XTALFREQ;
|
||||
chipco_write32(cc, SSB_CHIPCO_PMU_CTL, pmuctl);
|
||||
}
|
||||
|
||||
static void ssb_pmu_pll_init(struct ssb_chipcommon *cc)
|
||||
{
|
||||
struct ssb_bus *bus = cc->dev->bus;
|
||||
u32 crystalfreq = 0; /* in kHz. 0 = keep default freq. */
|
||||
|
||||
if (bus->bustype == SSB_BUSTYPE_SSB) {
|
||||
/* TODO: The user may override the crystal frequency. */
|
||||
}
|
||||
|
||||
switch (bus->chip_id) {
|
||||
case 0x4312:
|
||||
case 0x4325:
|
||||
ssb_pmu1_pllinit_r0(cc, crystalfreq);
|
||||
break;
|
||||
case 0x4328:
|
||||
case 0x5354:
|
||||
ssb_pmu0_pllinit_r0(cc, crystalfreq);
|
||||
break;
|
||||
default:
|
||||
ssb_printk(KERN_ERR PFX
|
||||
"ERROR: PLL init unknown for device %04X\n",
|
||||
bus->chip_id);
|
||||
}
|
||||
}
|
||||
|
||||
struct pmu_res_updown_tab_entry {
|
||||
u8 resource; /* The resource number */
|
||||
u16 updown; /* The updown value */
|
||||
};
|
||||
|
||||
enum pmu_res_depend_tab_task {
|
||||
PMU_RES_DEP_SET = 1,
|
||||
PMU_RES_DEP_ADD,
|
||||
PMU_RES_DEP_REMOVE,
|
||||
};
|
||||
|
||||
struct pmu_res_depend_tab_entry {
|
||||
u8 resource; /* The resource number */
|
||||
u8 task; /* SET | ADD | REMOVE */
|
||||
u32 depend; /* The depend mask */
|
||||
};
|
||||
|
||||
static const struct pmu_res_updown_tab_entry pmu_res_updown_tab_4328a0[] = {
|
||||
{ .resource = SSB_PMURES_4328_EXT_SWITCHER_PWM, .updown = 0x0101, },
|
||||
{ .resource = SSB_PMURES_4328_BB_SWITCHER_PWM, .updown = 0x1F01, },
|
||||
{ .resource = SSB_PMURES_4328_BB_SWITCHER_BURST, .updown = 0x010F, },
|
||||
{ .resource = SSB_PMURES_4328_BB_EXT_SWITCHER_BURST, .updown = 0x0101, },
|
||||
{ .resource = SSB_PMURES_4328_ILP_REQUEST, .updown = 0x0202, },
|
||||
{ .resource = SSB_PMURES_4328_RADIO_SWITCHER_PWM, .updown = 0x0F01, },
|
||||
{ .resource = SSB_PMURES_4328_RADIO_SWITCHER_BURST, .updown = 0x0F01, },
|
||||
{ .resource = SSB_PMURES_4328_ROM_SWITCH, .updown = 0x0101, },
|
||||
{ .resource = SSB_PMURES_4328_PA_REF_LDO, .updown = 0x0F01, },
|
||||
{ .resource = SSB_PMURES_4328_RADIO_LDO, .updown = 0x0F01, },
|
||||
{ .resource = SSB_PMURES_4328_AFE_LDO, .updown = 0x0F01, },
|
||||
{ .resource = SSB_PMURES_4328_PLL_LDO, .updown = 0x0F01, },
|
||||
{ .resource = SSB_PMURES_4328_BG_FILTBYP, .updown = 0x0101, },
|
||||
{ .resource = SSB_PMURES_4328_TX_FILTBYP, .updown = 0x0101, },
|
||||
{ .resource = SSB_PMURES_4328_RX_FILTBYP, .updown = 0x0101, },
|
||||
{ .resource = SSB_PMURES_4328_XTAL_PU, .updown = 0x0101, },
|
||||
{ .resource = SSB_PMURES_4328_XTAL_EN, .updown = 0xA001, },
|
||||
{ .resource = SSB_PMURES_4328_BB_PLL_FILTBYP, .updown = 0x0101, },
|
||||
{ .resource = SSB_PMURES_4328_RF_PLL_FILTBYP, .updown = 0x0101, },
|
||||
{ .resource = SSB_PMURES_4328_BB_PLL_PU, .updown = 0x0701, },
|
||||
};
|
||||
|
||||
static const struct pmu_res_depend_tab_entry pmu_res_depend_tab_4328a0[] = {
|
||||
{
|
||||
/* Adjust ILP Request to avoid forcing EXT/BB into burst mode. */
|
||||
.resource = SSB_PMURES_4328_ILP_REQUEST,
|
||||
.task = PMU_RES_DEP_SET,
|
||||
.depend = ((1 << SSB_PMURES_4328_EXT_SWITCHER_PWM) |
|
||||
(1 << SSB_PMURES_4328_BB_SWITCHER_PWM)),
|
||||
},
|
||||
};
|
||||
|
||||
static const struct pmu_res_updown_tab_entry pmu_res_updown_tab_4325a0[] = {
|
||||
{ .resource = SSB_PMURES_4325_XTAL_PU, .updown = 0x1501, },
|
||||
};
|
||||
|
||||
static const struct pmu_res_depend_tab_entry pmu_res_depend_tab_4325a0[] = {
|
||||
{
|
||||
/* Adjust HT-Available dependencies. */
|
||||
.resource = SSB_PMURES_4325_HT_AVAIL,
|
||||
.task = PMU_RES_DEP_ADD,
|
||||
.depend = ((1 << SSB_PMURES_4325_RX_PWRSW_PU) |
|
||||
(1 << SSB_PMURES_4325_TX_PWRSW_PU) |
|
||||
(1 << SSB_PMURES_4325_LOGEN_PWRSW_PU) |
|
||||
(1 << SSB_PMURES_4325_AFE_PWRSW_PU)),
|
||||
},
|
||||
};
|
||||
|
||||
static void ssb_pmu_resources_init(struct ssb_chipcommon *cc)
|
||||
{
|
||||
struct ssb_bus *bus = cc->dev->bus;
|
||||
u32 min_msk = 0, max_msk = 0;
|
||||
unsigned int i;
|
||||
const struct pmu_res_updown_tab_entry *updown_tab = NULL;
|
||||
unsigned int updown_tab_size;
|
||||
const struct pmu_res_depend_tab_entry *depend_tab = NULL;
|
||||
unsigned int depend_tab_size;
|
||||
|
||||
switch (bus->chip_id) {
|
||||
case 0x4312:
|
||||
/* We keep the default settings:
|
||||
* min_msk = 0xCBB
|
||||
* max_msk = 0x7FFFF
|
||||
*/
|
||||
break;
|
||||
case 0x4325:
|
||||
/* Power OTP down later. */
|
||||
min_msk = (1 << SSB_PMURES_4325_CBUCK_BURST) |
|
||||
(1 << SSB_PMURES_4325_LNLDO2_PU);
|
||||
if (chipco_read32(cc, SSB_CHIPCO_CHIPSTAT) &
|
||||
SSB_CHIPCO_CHST_4325_PMUTOP_2B)
|
||||
min_msk |= (1 << SSB_PMURES_4325_CLDO_CBUCK_BURST);
|
||||
/* The PLL may turn on, if it decides so. */
|
||||
max_msk = 0xFFFFF;
|
||||
updown_tab = pmu_res_updown_tab_4325a0;
|
||||
updown_tab_size = ARRAY_SIZE(pmu_res_updown_tab_4325a0);
|
||||
depend_tab = pmu_res_depend_tab_4325a0;
|
||||
depend_tab_size = ARRAY_SIZE(pmu_res_depend_tab_4325a0);
|
||||
break;
|
||||
case 0x4328:
|
||||
min_msk = (1 << SSB_PMURES_4328_EXT_SWITCHER_PWM) |
|
||||
(1 << SSB_PMURES_4328_BB_SWITCHER_PWM) |
|
||||
(1 << SSB_PMURES_4328_XTAL_EN);
|
||||
/* The PLL may turn on, if it decides so. */
|
||||
max_msk = 0xFFFFF;
|
||||
updown_tab = pmu_res_updown_tab_4328a0;
|
||||
updown_tab_size = ARRAY_SIZE(pmu_res_updown_tab_4328a0);
|
||||
depend_tab = pmu_res_depend_tab_4328a0;
|
||||
depend_tab_size = ARRAY_SIZE(pmu_res_depend_tab_4328a0);
|
||||
break;
|
||||
case 0x5354:
|
||||
/* The PLL may turn on, if it decides so. */
|
||||
max_msk = 0xFFFFF;
|
||||
break;
|
||||
default:
|
||||
ssb_printk(KERN_ERR PFX
|
||||
"ERROR: PMU resource config unknown for device %04X\n",
|
||||
bus->chip_id);
|
||||
}
|
||||
|
||||
if (updown_tab) {
|
||||
for (i = 0; i < updown_tab_size; i++) {
|
||||
chipco_write32(cc, SSB_CHIPCO_PMU_RES_TABSEL,
|
||||
updown_tab[i].resource);
|
||||
chipco_write32(cc, SSB_CHIPCO_PMU_RES_UPDNTM,
|
||||
updown_tab[i].updown);
|
||||
}
|
||||
}
|
||||
if (depend_tab) {
|
||||
for (i = 0; i < depend_tab_size; i++) {
|
||||
chipco_write32(cc, SSB_CHIPCO_PMU_RES_TABSEL,
|
||||
depend_tab[i].resource);
|
||||
switch (depend_tab[i].task) {
|
||||
case PMU_RES_DEP_SET:
|
||||
chipco_write32(cc, SSB_CHIPCO_PMU_RES_DEPMSK,
|
||||
depend_tab[i].depend);
|
||||
break;
|
||||
case PMU_RES_DEP_ADD:
|
||||
chipco_set32(cc, SSB_CHIPCO_PMU_RES_DEPMSK,
|
||||
depend_tab[i].depend);
|
||||
break;
|
||||
case PMU_RES_DEP_REMOVE:
|
||||
chipco_mask32(cc, SSB_CHIPCO_PMU_RES_DEPMSK,
|
||||
~(depend_tab[i].depend));
|
||||
break;
|
||||
default:
|
||||
SSB_WARN_ON(1);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Set the resource masks. */
|
||||
if (min_msk)
|
||||
chipco_write32(cc, SSB_CHIPCO_PMU_MINRES_MSK, min_msk);
|
||||
if (max_msk)
|
||||
chipco_write32(cc, SSB_CHIPCO_PMU_MAXRES_MSK, max_msk);
|
||||
}
|
||||
|
||||
void ssb_pmu_init(struct ssb_chipcommon *cc)
|
||||
{
|
||||
struct ssb_bus *bus = cc->dev->bus;
|
||||
u32 pmucap;
|
||||
|
||||
if (!(cc->capabilities & SSB_CHIPCO_CAP_PMU))
|
||||
return;
|
||||
|
||||
pmucap = chipco_read32(cc, SSB_CHIPCO_PMU_CAP);
|
||||
cc->pmu.rev = (pmucap & SSB_CHIPCO_PMU_CAP_REVISION);
|
||||
|
||||
ssb_dprintk(KERN_DEBUG PFX "Found rev %u PMU (capabilities 0x%08X)\n",
|
||||
cc->pmu.rev, pmucap);
|
||||
|
||||
if (cc->pmu.rev >= 1) {
|
||||
if ((bus->chip_id == 0x4325) && (bus->chip_rev < 2)) {
|
||||
chipco_mask32(cc, SSB_CHIPCO_PMU_CTL,
|
||||
~SSB_CHIPCO_PMU_CTL_NOILPONW);
|
||||
} else {
|
||||
chipco_set32(cc, SSB_CHIPCO_PMU_CTL,
|
||||
SSB_CHIPCO_PMU_CTL_NOILPONW);
|
||||
}
|
||||
}
|
||||
ssb_pmu_pll_init(cc);
|
||||
ssb_pmu_resources_init(cc);
|
||||
}
|
||||
|
|
@ -181,6 +181,16 @@
|
|||
#define SSB_CHIPCO_PROG_WAITCNT 0x0124
|
||||
#define SSB_CHIPCO_FLASH_CFG 0x0128
|
||||
#define SSB_CHIPCO_FLASH_WAITCNT 0x012C
|
||||
#define SSB_CHIPCO_CLKCTLST 0x01E0 /* Clock control and status (rev >= 20) */
|
||||
#define SSB_CHIPCO_CLKCTLST_FORCEALP 0x00000001 /* Force ALP request */
|
||||
#define SSB_CHIPCO_CLKCTLST_FORCEHT 0x00000002 /* Force HT request */
|
||||
#define SSB_CHIPCO_CLKCTLST_FORCEILP 0x00000004 /* Force ILP request */
|
||||
#define SSB_CHIPCO_CLKCTLST_HAVEALPREQ 0x00000008 /* ALP available request */
|
||||
#define SSB_CHIPCO_CLKCTLST_HAVEHTREQ 0x00000010 /* HT available request */
|
||||
#define SSB_CHIPCO_CLKCTLST_HWCROFF 0x00000020 /* Force HW clock request off */
|
||||
#define SSB_CHIPCO_CLKCTLST_HAVEHT 0x00010000 /* HT available */
|
||||
#define SSB_CHIPCO_CLKCTLST_HAVEALP 0x00020000 /* APL available */
|
||||
#define SSB_CHIPCO_HW_WORKAROUND 0x01E4 /* Hardware workaround (rev >= 20) */
|
||||
#define SSB_CHIPCO_UART0_DATA 0x0300
|
||||
#define SSB_CHIPCO_UART0_IMR 0x0304
|
||||
#define SSB_CHIPCO_UART0_FCR 0x0308
|
||||
|
|
@ -197,6 +207,196 @@
|
|||
#define SSB_CHIPCO_UART1_LSR 0x0414
|
||||
#define SSB_CHIPCO_UART1_MSR 0x0418
|
||||
#define SSB_CHIPCO_UART1_SCRATCH 0x041C
|
||||
/* PMU registers (rev >= 20) */
|
||||
#define SSB_CHIPCO_PMU_CTL 0x0600 /* PMU control */
|
||||
#define SSB_CHIPCO_PMU_CTL_ILP_DIV 0xFFFF0000 /* ILP div mask */
|
||||
#define SSB_CHIPCO_PMU_CTL_ILP_DIV_SHIFT 16
|
||||
#define SSB_CHIPCO_PMU_CTL_NOILPONW 0x00000200 /* No ILP on wait */
|
||||
#define SSB_CHIPCO_PMU_CTL_HTREQEN 0x00000100 /* HT req enable */
|
||||
#define SSB_CHIPCO_PMU_CTL_ALPREQEN 0x00000080 /* ALP req enable */
|
||||
#define SSB_CHIPCO_PMU_CTL_XTALFREQ 0x0000007C /* Crystal freq */
|
||||
#define SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT 2
|
||||
#define SSB_CHIPCO_PMU_CTL_ILPDIVEN 0x00000002 /* ILP div enable */
|
||||
#define SSB_CHIPCO_PMU_CTL_LPOSEL 0x00000001 /* LPO sel */
|
||||
#define SSB_CHIPCO_PMU_CAP 0x0604 /* PMU capabilities */
|
||||
#define SSB_CHIPCO_PMU_CAP_REVISION 0x000000FF /* Revision mask */
|
||||
#define SSB_CHIPCO_PMU_STAT 0x0608 /* PMU status */
|
||||
#define SSB_CHIPCO_PMU_STAT_INTPEND 0x00000040 /* Interrupt pending */
|
||||
#define SSB_CHIPCO_PMU_STAT_SBCLKST 0x00000030 /* Backplane clock status? */
|
||||
#define SSB_CHIPCO_PMU_STAT_HAVEALP 0x00000008 /* ALP available */
|
||||
#define SSB_CHIPCO_PMU_STAT_HAVEHT 0x00000004 /* HT available */
|
||||
#define SSB_CHIPCO_PMU_STAT_RESINIT 0x00000003 /* Res init */
|
||||
#define SSB_CHIPCO_PMU_RES_STAT 0x060C /* PMU res status */
|
||||
#define SSB_CHIPCO_PMU_RES_PEND 0x0610 /* PMU res pending */
|
||||
#define SSB_CHIPCO_PMU_TIMER 0x0614 /* PMU timer */
|
||||
#define SSB_CHIPCO_PMU_MINRES_MSK 0x0618 /* PMU min res mask */
|
||||
#define SSB_CHIPCO_PMU_MAXRES_MSK 0x061C /* PMU max res mask */
|
||||
#define SSB_CHIPCO_PMU_RES_TABSEL 0x0620 /* PMU res table sel */
|
||||
#define SSB_CHIPCO_PMU_RES_DEPMSK 0x0624 /* PMU res dep mask */
|
||||
#define SSB_CHIPCO_PMU_RES_UPDNTM 0x0628 /* PMU res updown timer */
|
||||
#define SSB_CHIPCO_PMU_RES_TIMER 0x062C /* PMU res timer */
|
||||
#define SSB_CHIPCO_PMU_CLKSTRETCH 0x0630 /* PMU clockstretch */
|
||||
#define SSB_CHIPCO_PMU_WATCHDOG 0x0634 /* PMU watchdog */
|
||||
#define SSB_CHIPCO_PMU_RES_REQTS 0x0640 /* PMU res req timer sel */
|
||||
#define SSB_CHIPCO_PMU_RES_REQT 0x0644 /* PMU res req timer */
|
||||
#define SSB_CHIPCO_PMU_RES_REQM 0x0648 /* PMU res req mask */
|
||||
#define SSB_CHIPCO_CHIPCTL_ADDR 0x0650
|
||||
#define SSB_CHIPCO_CHIPCTL_DATA 0x0654
|
||||
#define SSB_CHIPCO_REGCTL_ADDR 0x0658
|
||||
#define SSB_CHIPCO_REGCTL_DATA 0x065C
|
||||
#define SSB_CHIPCO_PLLCTL_ADDR 0x0660
|
||||
#define SSB_CHIPCO_PLLCTL_DATA 0x0664
|
||||
|
||||
|
||||
|
||||
/** PMU PLL registers */
|
||||
|
||||
/* PMU rev 0 PLL registers */
|
||||
#define SSB_PMU0_PLLCTL0 0
|
||||
#define SSB_PMU0_PLLCTL0_PDIV_MSK 0x00000001
|
||||
#define SSB_PMU0_PLLCTL0_PDIV_FREQ 25000 /* kHz */
|
||||
#define SSB_PMU0_PLLCTL1 1
|
||||
#define SSB_PMU0_PLLCTL1_WILD_IMSK 0xF0000000 /* Wild int mask (low nibble) */
|
||||
#define SSB_PMU0_PLLCTL1_WILD_IMSK_SHIFT 28
|
||||
#define SSB_PMU0_PLLCTL1_WILD_FMSK 0x0FFFFF00 /* Wild frac mask */
|
||||
#define SSB_PMU0_PLLCTL1_WILD_FMSK_SHIFT 8
|
||||
#define SSB_PMU0_PLLCTL1_STOPMOD 0x00000040 /* Stop mod */
|
||||
#define SSB_PMU0_PLLCTL2 2
|
||||
#define SSB_PMU0_PLLCTL2_WILD_IMSKHI 0x0000000F /* Wild int mask (high nibble) */
|
||||
#define SSB_PMU0_PLLCTL2_WILD_IMSKHI_SHIFT 0
|
||||
|
||||
/* PMU rev 1 PLL registers */
|
||||
#define SSB_PMU1_PLLCTL0 0
|
||||
#define SSB_PMU1_PLLCTL0_P1DIV 0x00F00000 /* P1 div */
|
||||
#define SSB_PMU1_PLLCTL0_P1DIV_SHIFT 20
|
||||
#define SSB_PMU1_PLLCTL0_P2DIV 0x0F000000 /* P2 div */
|
||||
#define SSB_PMU1_PLLCTL0_P2DIV_SHIFT 24
|
||||
#define SSB_PMU1_PLLCTL1 1
|
||||
#define SSB_PMU1_PLLCTL1_M1DIV 0x000000FF /* M1 div */
|
||||
#define SSB_PMU1_PLLCTL1_M1DIV_SHIFT 0
|
||||
#define SSB_PMU1_PLLCTL1_M2DIV 0x0000FF00 /* M2 div */
|
||||
#define SSB_PMU1_PLLCTL1_M2DIV_SHIFT 8
|
||||
#define SSB_PMU1_PLLCTL1_M3DIV 0x00FF0000 /* M3 div */
|
||||
#define SSB_PMU1_PLLCTL1_M3DIV_SHIFT 16
|
||||
#define SSB_PMU1_PLLCTL1_M4DIV 0xFF000000 /* M4 div */
|
||||
#define SSB_PMU1_PLLCTL1_M4DIV_SHIFT 24
|
||||
#define SSB_PMU1_PLLCTL2 2
|
||||
#define SSB_PMU1_PLLCTL2_M5DIV 0x000000FF /* M5 div */
|
||||
#define SSB_PMU1_PLLCTL2_M5DIV_SHIFT 0
|
||||
#define SSB_PMU1_PLLCTL2_M6DIV 0x0000FF00 /* M6 div */
|
||||
#define SSB_PMU1_PLLCTL2_M6DIV_SHIFT 8
|
||||
#define SSB_PMU1_PLLCTL2_NDIVMODE 0x000E0000 /* NDIV mode */
|
||||
#define SSB_PMU1_PLLCTL2_NDIVMODE_SHIFT 17
|
||||
#define SSB_PMU1_PLLCTL2_NDIVINT 0x1FF00000 /* NDIV int */
|
||||
#define SSB_PMU1_PLLCTL2_NDIVINT_SHIFT 20
|
||||
#define SSB_PMU1_PLLCTL3 3
|
||||
#define SSB_PMU1_PLLCTL3_NDIVFRAC 0x00FFFFFF /* NDIV frac */
|
||||
#define SSB_PMU1_PLLCTL3_NDIVFRAC_SHIFT 0
|
||||
#define SSB_PMU1_PLLCTL4 4
|
||||
#define SSB_PMU1_PLLCTL5 5
|
||||
#define SSB_PMU1_PLLCTL5_CLKDRV 0xFFFFFF00 /* clk drv */
|
||||
#define SSB_PMU1_PLLCTL5_CLKDRV_SHIFT 8
|
||||
|
||||
/* BCM4312 PLL resource numbers. */
|
||||
#define SSB_PMURES_4312_SWITCHER_BURST 0
|
||||
#define SSB_PMURES_4312_SWITCHER_PWM 1
|
||||
#define SSB_PMURES_4312_PA_REF_LDO 2
|
||||
#define SSB_PMURES_4312_CORE_LDO_BURST 3
|
||||
#define SSB_PMURES_4312_CORE_LDO_PWM 4
|
||||
#define SSB_PMURES_4312_RADIO_LDO 5
|
||||
#define SSB_PMURES_4312_ILP_REQUEST 6
|
||||
#define SSB_PMURES_4312_BG_FILTBYP 7
|
||||
#define SSB_PMURES_4312_TX_FILTBYP 8
|
||||
#define SSB_PMURES_4312_RX_FILTBYP 9
|
||||
#define SSB_PMURES_4312_XTAL_PU 10
|
||||
#define SSB_PMURES_4312_ALP_AVAIL 11
|
||||
#define SSB_PMURES_4312_BB_PLL_FILTBYP 12
|
||||
#define SSB_PMURES_4312_RF_PLL_FILTBYP 13
|
||||
#define SSB_PMURES_4312_HT_AVAIL 14
|
||||
|
||||
/* BCM4325 PLL resource numbers. */
|
||||
#define SSB_PMURES_4325_BUCK_BOOST_BURST 0
|
||||
#define SSB_PMURES_4325_CBUCK_BURST 1
|
||||
#define SSB_PMURES_4325_CBUCK_PWM 2
|
||||
#define SSB_PMURES_4325_CLDO_CBUCK_BURST 3
|
||||
#define SSB_PMURES_4325_CLDO_CBUCK_PWM 4
|
||||
#define SSB_PMURES_4325_BUCK_BOOST_PWM 5
|
||||
#define SSB_PMURES_4325_ILP_REQUEST 6
|
||||
#define SSB_PMURES_4325_ABUCK_BURST 7
|
||||
#define SSB_PMURES_4325_ABUCK_PWM 8
|
||||
#define SSB_PMURES_4325_LNLDO1_PU 9
|
||||
#define SSB_PMURES_4325_LNLDO2_PU 10
|
||||
#define SSB_PMURES_4325_LNLDO3_PU 11
|
||||
#define SSB_PMURES_4325_LNLDO4_PU 12
|
||||
#define SSB_PMURES_4325_XTAL_PU 13
|
||||
#define SSB_PMURES_4325_ALP_AVAIL 14
|
||||
#define SSB_PMURES_4325_RX_PWRSW_PU 15
|
||||
#define SSB_PMURES_4325_TX_PWRSW_PU 16
|
||||
#define SSB_PMURES_4325_RFPLL_PWRSW_PU 17
|
||||
#define SSB_PMURES_4325_LOGEN_PWRSW_PU 18
|
||||
#define SSB_PMURES_4325_AFE_PWRSW_PU 19
|
||||
#define SSB_PMURES_4325_BBPLL_PWRSW_PU 20
|
||||
#define SSB_PMURES_4325_HT_AVAIL 21
|
||||
|
||||
/* BCM4328 PLL resource numbers. */
|
||||
#define SSB_PMURES_4328_EXT_SWITCHER_PWM 0
|
||||
#define SSB_PMURES_4328_BB_SWITCHER_PWM 1
|
||||
#define SSB_PMURES_4328_BB_SWITCHER_BURST 2
|
||||
#define SSB_PMURES_4328_BB_EXT_SWITCHER_BURST 3
|
||||
#define SSB_PMURES_4328_ILP_REQUEST 4
|
||||
#define SSB_PMURES_4328_RADIO_SWITCHER_PWM 5
|
||||
#define SSB_PMURES_4328_RADIO_SWITCHER_BURST 6
|
||||
#define SSB_PMURES_4328_ROM_SWITCH 7
|
||||
#define SSB_PMURES_4328_PA_REF_LDO 8
|
||||
#define SSB_PMURES_4328_RADIO_LDO 9
|
||||
#define SSB_PMURES_4328_AFE_LDO 10
|
||||
#define SSB_PMURES_4328_PLL_LDO 11
|
||||
#define SSB_PMURES_4328_BG_FILTBYP 12
|
||||
#define SSB_PMURES_4328_TX_FILTBYP 13
|
||||
#define SSB_PMURES_4328_RX_FILTBYP 14
|
||||
#define SSB_PMURES_4328_XTAL_PU 15
|
||||
#define SSB_PMURES_4328_XTAL_EN 16
|
||||
#define SSB_PMURES_4328_BB_PLL_FILTBYP 17
|
||||
#define SSB_PMURES_4328_RF_PLL_FILTBYP 18
|
||||
#define SSB_PMURES_4328_BB_PLL_PU 19
|
||||
|
||||
/* BCM5354 PLL resource numbers. */
|
||||
#define SSB_PMURES_5354_EXT_SWITCHER_PWM 0
|
||||
#define SSB_PMURES_5354_BB_SWITCHER_PWM 1
|
||||
#define SSB_PMURES_5354_BB_SWITCHER_BURST 2
|
||||
#define SSB_PMURES_5354_BB_EXT_SWITCHER_BURST 3
|
||||
#define SSB_PMURES_5354_ILP_REQUEST 4
|
||||
#define SSB_PMURES_5354_RADIO_SWITCHER_PWM 5
|
||||
#define SSB_PMURES_5354_RADIO_SWITCHER_BURST 6
|
||||
#define SSB_PMURES_5354_ROM_SWITCH 7
|
||||
#define SSB_PMURES_5354_PA_REF_LDO 8
|
||||
#define SSB_PMURES_5354_RADIO_LDO 9
|
||||
#define SSB_PMURES_5354_AFE_LDO 10
|
||||
#define SSB_PMURES_5354_PLL_LDO 11
|
||||
#define SSB_PMURES_5354_BG_FILTBYP 12
|
||||
#define SSB_PMURES_5354_TX_FILTBYP 13
|
||||
#define SSB_PMURES_5354_RX_FILTBYP 14
|
||||
#define SSB_PMURES_5354_XTAL_PU 15
|
||||
#define SSB_PMURES_5354_XTAL_EN 16
|
||||
#define SSB_PMURES_5354_BB_PLL_FILTBYP 17
|
||||
#define SSB_PMURES_5354_RF_PLL_FILTBYP 18
|
||||
#define SSB_PMURES_5354_BB_PLL_PU 19
|
||||
|
||||
|
||||
|
||||
/** Chip specific Chip-Status register contents. */
|
||||
#define SSB_CHIPCO_CHST_4325_SPROM_OTP_SEL 0x00000003
|
||||
#define SSB_CHIPCO_CHST_4325_DEFCIS_SEL 0 /* OTP is powered up, use def. CIS, no SPROM */
|
||||
#define SSB_CHIPCO_CHST_4325_SPROM_SEL 1 /* OTP is powered up, SPROM is present */
|
||||
#define SSB_CHIPCO_CHST_4325_OTP_SEL 2 /* OTP is powered up, no SPROM */
|
||||
#define SSB_CHIPCO_CHST_4325_OTP_PWRDN 3 /* OTP is powered down, SPROM is present */
|
||||
#define SSB_CHIPCO_CHST_4325_SDIO_USB_MODE 0x00000004
|
||||
#define SSB_CHIPCO_CHST_4325_SDIO_USB_MODE_SHIFT 2
|
||||
#define SSB_CHIPCO_CHST_4325_RCAL_VALID 0x00000008
|
||||
#define SSB_CHIPCO_CHST_4325_RCAL_VALID_SHIFT 3
|
||||
#define SSB_CHIPCO_CHST_4325_RCAL_VALUE 0x000001F0
|
||||
#define SSB_CHIPCO_CHST_4325_RCAL_VALUE_SHIFT 4
|
||||
#define SSB_CHIPCO_CHST_4325_PMUTOP_2B 0x00000200 /* 1 for 2b, 0 for to 2a */
|
||||
|
||||
|
||||
|
||||
|
|
@ -353,11 +553,20 @@
|
|||
struct ssb_device;
|
||||
struct ssb_serial_port;
|
||||
|
||||
/* Data for the PMU, if available.
|
||||
* Check availability with ((struct ssb_chipcommon)->capabilities & SSB_CHIPCO_CAP_PMU)
|
||||
*/
|
||||
struct ssb_chipcommon_pmu {
|
||||
u8 rev; /* PMU revision */
|
||||
u32 crystalfreq; /* The active crystal frequency (in kHz) */
|
||||
};
|
||||
|
||||
struct ssb_chipcommon {
|
||||
struct ssb_device *dev;
|
||||
u32 capabilities;
|
||||
/* Fast Powerup Delay constant */
|
||||
u16 fast_pwrup_delay;
|
||||
struct ssb_chipcommon_pmu pmu;
|
||||
};
|
||||
|
||||
static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
|
||||
|
|
@ -365,6 +574,17 @@ static inline bool ssb_chipco_available(struct ssb_chipcommon *cc)
|
|||
return (cc->dev != NULL);
|
||||
}
|
||||
|
||||
/* Register access */
|
||||
#define chipco_read32(cc, offset) ssb_read32((cc)->dev, offset)
|
||||
#define chipco_write32(cc, offset, val) ssb_write32((cc)->dev, offset, val)
|
||||
|
||||
#define chipco_mask32(cc, offset, mask) \
|
||||
chipco_write32(cc, offset, chipco_read32(cc, offset) & (mask))
|
||||
#define chipco_set32(cc, offset, set) \
|
||||
chipco_write32(cc, offset, chipco_read32(cc, offset) | (set))
|
||||
#define chipco_maskset32(cc, offset, mask, set) \
|
||||
chipco_write32(cc, offset, (chipco_read32(cc, offset) & (mask)) | (set))
|
||||
|
||||
extern void ssb_chipcommon_init(struct ssb_chipcommon *cc);
|
||||
|
||||
extern void ssb_chipco_suspend(struct ssb_chipcommon *cc);
|
||||
|
|
@ -406,4 +626,8 @@ extern int ssb_chipco_serial_init(struct ssb_chipcommon *cc,
|
|||
struct ssb_serial_port *ports);
|
||||
#endif /* CONFIG_SSB_SERIAL */
|
||||
|
||||
/* PMU support */
|
||||
extern void ssb_pmu_init(struct ssb_chipcommon *cc);
|
||||
|
||||
|
||||
#endif /* LINUX_SSB_CHIPCO_H_ */
|
||||
|
|
|
|||
Loading…
Reference in a new issue