bcm47xx: Add support for the 5354 PMU.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14347 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 534 insertions, 0 deletions

diff --git a/target/linux/brcm47xx/patches-2.6.28/810-ssb-add-pmu-support.patch b/target/linux/brcm47xx/patches-2.6.28/810-ssb-add-pmu-support.patch
new file mode 100644
index 000000000..aa5374892
--- /dev/null
+++ b/target/linux/brcm47xx/patches-2.6.28/810-ssb-add-pmu-support.patch
@@ -0,0 +1,534 @@
+Index: linux-2.6.28.2/drivers/ssb/Makefile
+===================================================================
+--- linux-2.6.28.2.orig/drivers/ssb/Makefile	2009-02-01 13:09:04.000000000 +0100
++++ linux-2.6.28.2/drivers/ssb/Makefile	2009-02-01 13:09:31.000000000 +0100
+@@ -9,6 +9,7 @@ ssb-$(CONFIG_SSB_PCMCIAHOST)		+= pcmcia.
+ 
+ # built-in drivers
+ ssb-y					+= driver_chipcommon.o
++ssb-y					+= driver_chipcommon_pmu.o
+ ssb-$(CONFIG_SSB_DRIVER_MIPS)		+= driver_mipscore.o
+ ssb-$(CONFIG_SSB_DRIVER_EXTIF)		+= driver_extif.o
+ ssb-$(CONFIG_SSB_DRIVER_PCICORE)	+= driver_pcicore.o
+Index: linux-2.6.28.2/drivers/ssb/driver_chipcommon_pmu.c
+===================================================================
+--- /dev/null	1970-01-01 00:00:00.000000000 +0000
++++ linux-2.6.28.2/drivers/ssb/driver_chipcommon_pmu.c	2009-02-01 19:51:46.000000000 +0100
+@@ -0,0 +1,259 @@
++/*
++ * Sonics Silicon Backplane
++ * Broadcom ChipCommon Power Management Unit driver
++ *
++ * Copyright 2009, Michael Buesch <mb@bu3sch.de>
++ * Copyright 2007, Broadcom Corporation
++ *
++ * Licensed under the GNU/GPL. See COPYING for details.
++ */
++
++#include <linux/ssb/ssb.h>
++#include <linux/ssb/ssb_regs.h>
++#include <linux/ssb/ssb_driver_chipcommon.h>
++#include <linux/delay.h>
++
++#include "ssb_private.h"
++
++static u32 ssb_chipco_pll_read(struct ssb_chipcommon *cc, u32 offset)
++{
++	chipco_write32(cc, SSB_CHIPCO_PLLCTL_ADDR, offset);
++	return chipco_read32(cc, SSB_CHIPCO_PLLCTL_DATA);
++}
++
++static void ssb_chipco_pll_write(struct ssb_chipcommon *cc,
++				 u32 offset, u32 value)
++{
++	chipco_write32(cc, SSB_CHIPCO_PLLCTL_ADDR, offset);
++	chipco_write32(cc, SSB_CHIPCO_PLLCTL_DATA, value);
++}
++
++struct pmu0_plltab_entry {
++	u16 freq;	/* Crystal frequency in kHz.*/
++	u8 xf;		/* Crystal frequency value for PMU control */
++	u8 wb_int;
++	u32 wb_frac;
++};
++
++static const struct pmu0_plltab_entry pmu0_plltab[] = {
++	{ .freq = 12000, .xf =  1, .wb_int = 73, .wb_frac = 349525, },
++	{ .freq = 13000, .xf =  2, .wb_int = 67, .wb_frac = 725937, },
++	{ .freq = 14400, .xf =  3, .wb_int = 61, .wb_frac = 116508, },
++	{ .freq = 15360, .xf =  4, .wb_int = 57, .wb_frac = 305834, },
++	{ .freq = 16200, .xf =  5, .wb_int = 54, .wb_frac = 336579, },
++	{ .freq = 16800, .xf =  6, .wb_int = 52, .wb_frac = 399457, },
++	{ .freq = 19200, .xf =  7, .wb_int = 45, .wb_frac = 873813, },
++	{ .freq = 19800, .xf =  8, .wb_int = 44, .wb_frac = 466033, },
++	{ .freq = 20000, .xf =  9, .wb_int = 44, .wb_frac = 0,      },
++	{ .freq = 25000, .xf = 10, .wb_int = 70, .wb_frac = 419430, },
++	{ .freq = 26000, .xf = 11, .wb_int = 67, .wb_frac = 725937, },
++	{ .freq = 30000, .xf = 12, .wb_int = 58, .wb_frac = 699050, },
++	{ .freq = 38400, .xf = 13, .wb_int = 45, .wb_frac = 873813, },
++	{ .freq = 40000, .xf = 14, .wb_int = 45, .wb_frac = 0,      },
++};
++#define SSB_PMU0_DEFAULT_XTALFREQ	20000
++
++static const struct pmu0_plltab_entry * pmu0_plltab_find_entry(u32 crystalfreq)
++{
++	const struct pmu0_plltab_entry *e;
++	unsigned int i;
++
++	for (i = 0; i < ARRAY_SIZE(pmu0_plltab); i++) {
++		e = &pmu0_plltab[i];
++		if (e->freq == crystalfreq)
++			return e;
++	}
++
++	return NULL;
++}
++
++/* Tune the PLL to the crystal speed. crystalfreq is in kHz. */
++static void ssb_pmu0_pllinit_r0(struct ssb_chipcommon *cc,
++				u32 crystalfreq)
++{
++	struct ssb_bus *bus = cc->dev->bus;
++	const struct pmu0_plltab_entry *e;
++	u32 pmuctl, tmp, pllctl;
++	unsigned int i;
++
++	if ((bus->chip_id == 0x5354) && !crystalfreq) {
++		/* The 5354 crystal freq is 25MHz */
++		crystalfreq = 25000;
++	}
++	e = pmu0_plltab_find_entry(crystalfreq);
++	if (!e)
++		e = pmu0_plltab_find_entry(SSB_PMU0_DEFAULT_XTALFREQ);
++	BUG_ON(!e);
++	crystalfreq = e->freq;
++	cc->pmu.crystalfreq = e->freq;
++
++	/* Check if the PLL already is programmed to this frequency. */
++	pmuctl = chipco_read32(cc, SSB_CHIPCO_PMU_CTL);
++	if (((pmuctl & SSB_CHIPCO_PMU_CTL_XTALFREQ) >> SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT) == e->xf) {
++		/* We're already there... */
++		return;
++	}
++
++	ssb_printk(KERN_INFO PFX "Programming PLL to %u.%u MHz\n",
++		   (crystalfreq / 1000), (crystalfreq % 1000));
++
++	/* First turn the PLL off. */
++	switch (bus->chip_id) {
++	case 0x4328:
++		chipco_mask32(cc, SSB_CHIPCO_PMU_MINRES_MSK,
++			      ~(1 << SSB_PLLRES_4328_BB_PLL_PU));
++		chipco_mask32(cc, SSB_CHIPCO_PMU_MAXRES_MSK,
++			      ~(1 << SSB_PLLRES_4328_BB_PLL_PU));
++		break;
++	case 0x5354:
++		chipco_mask32(cc, SSB_CHIPCO_PMU_MINRES_MSK,
++			      ~(1 << SSB_PLLRES_5354_BB_PLL_PU));
++		chipco_mask32(cc, SSB_CHIPCO_PMU_MAXRES_MSK,
++			      ~(1 << SSB_PLLRES_5354_BB_PLL_PU));
++		break;
++	default:
++		SSB_WARN_ON(1);
++	}
++	for (i = 1500; i; i--) {
++		tmp = chipco_read32(cc, SSB_CHIPCO_CLKCTLST);
++		if (!(tmp & SSB_CHIPCO_CLKCTLST_HAVEHT))
++			break;
++		udelay(10);
++	}
++	tmp = chipco_read32(cc, SSB_CHIPCO_CLKCTLST);
++	if (tmp & SSB_CHIPCO_CLKCTLST_HAVEHT)
++		ssb_printk(KERN_EMERG PFX "Failed to turn the PLL off!\n");
++
++	/* Set PDIV in PLL control 0. */
++	pllctl = ssb_chipco_pll_read(cc, SSB_PMU0_PLLCTL0);
++	if (crystalfreq >= SSB_PMU0_PLLCTL0_PDIV_FREQ)
++		pllctl |= SSB_PMU0_PLLCTL0_PDIV_MSK;
++	else
++		pllctl &= ~SSB_PMU0_PLLCTL0_PDIV_MSK;
++	ssb_chipco_pll_write(cc, SSB_PMU0_PLLCTL0, pllctl);
++
++	/* Set WILD in PLL control 1. */
++	pllctl = ssb_chipco_pll_read(cc, SSB_PMU0_PLLCTL1);
++	pllctl &= ~SSB_PMU0_PLLCTL1_STOPMOD;
++	pllctl &= ~(SSB_PMU0_PLLCTL1_WILD_IMSK | SSB_PMU0_PLLCTL1_WILD_FMSK);
++	pllctl |= ((u32)e->wb_int << SSB_PMU0_PLLCTL1_WILD_IMSK_SHIFT) & SSB_PMU0_PLLCTL1_WILD_IMSK;
++	pllctl |= ((u32)e->wb_frac << SSB_PMU0_PLLCTL1_WILD_FMSK_SHIFT) & SSB_PMU0_PLLCTL1_WILD_FMSK;
++	if (e->wb_frac == 0)
++		pllctl |= SSB_PMU0_PLLCTL1_STOPMOD;
++	ssb_chipco_pll_write(cc, SSB_PMU0_PLLCTL1, pllctl);
++
++	/* Set WILD in PLL control 2. */
++	pllctl = ssb_chipco_pll_read(cc, SSB_PMU0_PLLCTL2);
++	pllctl &= ~SSB_PMU0_PLLCTL2_WILD_IMSKHI;
++	pllctl |= (((u32)e->wb_int >> 4) << SSB_PMU0_PLLCTL2_WILD_IMSKHI_SHIFT) & SSB_PMU0_PLLCTL2_WILD_IMSKHI;
++	ssb_chipco_pll_write(cc, SSB_PMU0_PLLCTL2, pllctl);
++
++	/* Set the crystalfrequency and the divisor. */
++	pmuctl = chipco_read32(cc, SSB_CHIPCO_PMU_CTL);
++	pmuctl &= ~SSB_CHIPCO_PMU_CTL_ILP_DIV;
++	pmuctl |= (((crystalfreq + 127) / 128 - 1) << SSB_CHIPCO_PMU_CTL_ILP_DIV_SHIFT)
++			& SSB_CHIPCO_PMU_CTL_ILP_DIV;
++	pmuctl &= ~SSB_CHIPCO_PMU_CTL_XTALFREQ;
++	pmuctl |= ((u32)e->xf << SSB_CHIPCO_PMU_CTL_XTALFREQ_SHIFT) & SSB_CHIPCO_PMU_CTL_XTALFREQ;
++	chipco_write32(cc, SSB_CHIPCO_PMU_CTL, pmuctl);
++}
++
++/* Tune the PLL to the crystal speed. crystalfreq is in kHz. */
++static void ssb_pmu1_pllinit_r0(struct ssb_chipcommon *cc,
++				u32 crystalfreq)
++{
++	WARN_ON(1);
++	//TODO
++}
++
++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);
++	}
++}
++
++static void ssb_pmu_resources_init(struct ssb_chipcommon *cc)
++{
++	struct ssb_bus *bus = cc->dev->bus;
++	u32 min_msk = 0, max_msk = 0;
++
++	switch (bus->chip_id) {
++	case 0x4312:
++		/* We keep the default settings:
++		 * min_msk = 0xCBB
++		 * max_msk = 0x7FFFF
++		 * updown table size = 0
++		 * depend table size = 0
++		 */
++		break;
++	case 0x4325:
++		//TODO
++		break;
++	case 0x4328:
++		//TODO
++		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);
++	}
++	//TODO table upload
++
++	/* 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 (bus->chip_id != 0x5354) return; //FIXME currently only 5354 code implemented.
++
++	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);
++}
+Index: linux-2.6.28.2/drivers/ssb/driver_chipcommon.c
+===================================================================
+--- linux-2.6.28.2.orig/drivers/ssb/driver_chipcommon.c	2009-02-01 13:07:03.000000000 +0100
++++ linux-2.6.28.2/drivers/ssb/driver_chipcommon.c	2009-02-01 13:47:17.000000000 +0100
+@@ -26,19 +26,6 @@ enum ssb_clksrc {
+ };
+ 
+ 
+-static inline u32 chipco_read32(struct ssb_chipcommon *cc,
+-				u16 offset)
+-{
+-	return ssb_read32(cc->dev, offset);
+-}
+-
+-static inline void chipco_write32(struct ssb_chipcommon *cc,
+-				  u16 offset,
+-				  u32 value)
+-{
+-	ssb_write32(cc->dev, offset, value);
+-}
+-
+ static inline u32 chipco_write32_masked(struct ssb_chipcommon *cc, u16 offset,
+ 					u32 mask, u32 value)
+ {
+@@ -246,6 +233,7 @@ void ssb_chipcommon_init(struct ssb_chip
+ {
+ 	if (!cc->dev)
+ 		return; /* We don't have a ChipCommon */
++	ssb_pmu_init(cc);
+ 	chipco_powercontrol_init(cc);
+ 	ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
+ 	calc_fast_powerup_delay(cc);
+Index: linux-2.6.28.2/include/linux/ssb/ssb_driver_chipcommon.h
+===================================================================
+--- linux-2.6.28.2.orig/include/linux/ssb/ssb_driver_chipcommon.h	2009-02-01 13:22:59.000000000 +0100
++++ linux-2.6.28.2/include/linux/ssb/ssb_driver_chipcommon.h	2009-02-01 19:17:25.000000000 +0100
+@@ -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 +207,156 @@
+ #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_PLLCTL1			1
++#define SSB_PMU1_PLLCTL2			2
++#define SSB_PMU1_PLLCTL3			3
++#define SSB_PMU1_PLLCTL4			4
++#define SSB_PMU1_PLLCTL5			5
++
++/* BCM4312 PLL resource numbers. */
++#define SSB_PLLRES_4312_SWITCHER_BURST		0
++#define SSB_PLLRES_4312_SWITCHER_PWM    	1
++#define SSB_PLLRES_4312_PA_REF_LDO		2
++#define SSB_PLLRES_4312_CORE_LDO_BURST		3
++#define SSB_PLLRES_4312_CORE_LDO_PWM		4
++#define SSB_PLLRES_4312_RADIO_LDO		5
++#define SSB_PLLRES_4312_ILP_REQUEST		6
++#define SSB_PLLRES_4312_BG_FILTBYP		7
++#define SSB_PLLRES_4312_TX_FILTBYP		8
++#define SSB_PLLRES_4312_RX_FILTBYP		9
++#define SSB_PLLRES_4312_XTAL_PU			10
++#define SSB_PLLRES_4312_ALP_AVAIL		11
++#define SSB_PLLRES_4312_BB_PLL_FILTBYP		12
++#define SSB_PLLRES_4312_RF_PLL_FILTBYP		13
++#define SSB_PLLRES_4312_HT_AVAIL		14
++
++/* BCM4325 PLL resource numbers. */
++#define SSB_PLLRES_4325_BUCK_BOOST_BURST	0
++#define SSB_PLLRES_4325_CBUCK_BURST		1
++#define SSB_PLLRES_4325_CBUCK_PWM		2
++#define SSB_PLLRES_4325_CLDO_CBUCK_BURST	3
++#define SSB_PLLRES_4325_CLDO_CBUCK_PWM		4
++#define SSB_PLLRES_4325_BUCK_BOOST_PWM		5
++#define SSB_PLLRES_4325_ILP_REQUEST		6
++#define SSB_PLLRES_4325_ABUCK_BURST		7
++#define SSB_PLLRES_4325_ABUCK_PWM		8
++#define SSB_PLLRES_4325_LNLDO1_PU		9
++#define SSB_PLLRES_4325_LNLDO2_PU		10
++#define SSB_PLLRES_4325_LNLDO3_PU		11
++#define SSB_PLLRES_4325_LNLDO4_PU		12
++#define SSB_PLLRES_4325_XTAL_PU			13
++#define SSB_PLLRES_4325_ALP_AVAIL		14
++#define SSB_PLLRES_4325_RX_PWRSW_PU		15
++#define SSB_PLLRES_4325_TX_PWRSW_PU		16
++#define SSB_PLLRES_4325_RFPLL_PWRSW_PU		17
++#define SSB_PLLRES_4325_LOGEN_PWRSW_PU		18
++#define SSB_PLLRES_4325_AFE_PWRSW_PU		19
++#define SSB_PLLRES_4325_BBPLL_PWRSW_PU		20
++#define SSB_PLLRES_4325_HT_AVAIL		21
++
++/* BCM4328 PLL resource numbers. */
++#define SSB_PLLRES_4328_EXT_SWITCHER_PWM	0
++#define SSB_PLLRES_4328_BB_SWITCHER_PWM		1
++#define SSB_PLLRES_4328_BB_SWITCHER_BURST	2
++#define SSB_PLLRES_4328_BB_EXT_SWITCHER_BURST	3
++#define SSB_PLLRES_4328_ILP_REQUEST		4
++#define SSB_PLLRES_4328_RADIO_SWITCHER_PWM	5
++#define SSB_PLLRES_4328_RADIO_SWITCHER_BURST	6
++#define SSB_PLLRES_4328_ROM_SWITCH		7
++#define SSB_PLLRES_4328_PA_REF_LDO		8
++#define SSB_PLLRES_4328_RADIO_LDO		9
++#define SSB_PLLRES_4328_AFE_LDO			10
++#define SSB_PLLRES_4328_PLL_LDO			11
++#define SSB_PLLRES_4328_BG_FILTBYP		12
++#define SSB_PLLRES_4328_TX_FILTBYP		13
++#define SSB_PLLRES_4328_RX_FILTBYP		14
++#define SSB_PLLRES_4328_XTAL_PU			15
++#define SSB_PLLRES_4328_XTAL_EN			16
++#define SSB_PLLRES_4328_BB_PLL_FILTBYP		17
++#define SSB_PLLRES_4328_RF_PLL_FILTBYP		18
++#define SSB_PLLRES_4328_BB_PLL_PU		19
++
++/* BCM5354 PLL resource numbers. */
++#define SSB_PLLRES_5354_EXT_SWITCHER_PWM	0
++#define SSB_PLLRES_5354_BB_SWITCHER_PWM		1
++#define SSB_PLLRES_5354_BB_SWITCHER_BURST	2
++#define SSB_PLLRES_5354_BB_EXT_SWITCHER_BURST	3
++#define SSB_PLLRES_5354_ILP_REQUEST		4
++#define SSB_PLLRES_5354_RADIO_SWITCHER_PWM	5
++#define SSB_PLLRES_5354_RADIO_SWITCHER_BURST	6
++#define SSB_PLLRES_5354_ROM_SWITCH		7
++#define SSB_PLLRES_5354_PA_REF_LDO		8
++#define SSB_PLLRES_5354_RADIO_LDO		9
++#define SSB_PLLRES_5354_AFE_LDO			10
++#define SSB_PLLRES_5354_PLL_LDO			11
++#define SSB_PLLRES_5354_BG_FILTBYP		12
++#define SSB_PLLRES_5354_TX_FILTBYP		13
++#define SSB_PLLRES_5354_RX_FILTBYP		14
++#define SSB_PLLRES_5354_XTAL_PU			15
++#define SSB_PLLRES_5354_XTAL_EN			16
++#define SSB_PLLRES_5354_BB_PLL_FILTBYP		17
++#define SSB_PLLRES_5354_RF_PLL_FILTBYP		18
++#define SSB_PLLRES_5354_BB_PLL_PU		19
+ 
+ 
+ 
+@@ -353,11 +513,20 @@
+ 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 +534,17 @@ static inline bool ssb_chipco_available(
+ 	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 +586,8 @@ extern int ssb_chipco_serial_init(struct
+ 				  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_ */