mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-24 09:50:04 +00:00
032931fdd5
Remove the second 'info'. Replacements 'adventages' with 'advantages' 'strenth' with 'strength' 'atleast' with 'at least' 'thr'u'' with 'through' 'capabilty' with 'capability' 'controll' with 'control' 'ourself' with 'ourselves' 'noone' with 'no one' 'cores' to 'core's' and 'core' Signed-off-by: Tom Rix <trix@redhat.com> Reviewed-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20220213213121.2806376-1-trix@redhat.com
670 lines
19 KiB
C
670 lines
19 KiB
C
/*
|
|
* Broadcom specific AMBA
|
|
* ChipCommon Power Management Unit driver
|
|
*
|
|
* Copyright 2009, Michael Buesch <m@bues.ch>
|
|
* Copyright 2007, 2011, Broadcom Corporation
|
|
* Copyright 2011, 2012, Hauke Mehrtens <hauke@hauke-m.de>
|
|
*
|
|
* Licensed under the GNU/GPL. See COPYING for details.
|
|
*/
|
|
|
|
#include "bcma_private.h"
|
|
#include <linux/export.h>
|
|
#include <linux/bcma/bcma.h>
|
|
|
|
u32 bcma_chipco_pll_read(struct bcma_drv_cc *cc, u32 offset)
|
|
{
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
|
|
bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR);
|
|
return bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA);
|
|
}
|
|
EXPORT_SYMBOL_GPL(bcma_chipco_pll_read);
|
|
|
|
void bcma_chipco_pll_write(struct bcma_drv_cc *cc, u32 offset, u32 value)
|
|
{
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
|
|
bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR);
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, value);
|
|
}
|
|
EXPORT_SYMBOL_GPL(bcma_chipco_pll_write);
|
|
|
|
void bcma_chipco_pll_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
|
|
u32 set)
|
|
{
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
|
|
bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_ADDR);
|
|
bcma_pmu_maskset32(cc, BCMA_CC_PMU_PLLCTL_DATA, mask, set);
|
|
}
|
|
EXPORT_SYMBOL_GPL(bcma_chipco_pll_maskset);
|
|
|
|
void bcma_chipco_chipctl_maskset(struct bcma_drv_cc *cc,
|
|
u32 offset, u32 mask, u32 set)
|
|
{
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_CHIPCTL_ADDR, offset);
|
|
bcma_pmu_read32(cc, BCMA_CC_PMU_CHIPCTL_ADDR);
|
|
bcma_pmu_maskset32(cc, BCMA_CC_PMU_CHIPCTL_DATA, mask, set);
|
|
}
|
|
EXPORT_SYMBOL_GPL(bcma_chipco_chipctl_maskset);
|
|
|
|
void bcma_chipco_regctl_maskset(struct bcma_drv_cc *cc, u32 offset, u32 mask,
|
|
u32 set)
|
|
{
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_REGCTL_ADDR, offset);
|
|
bcma_pmu_read32(cc, BCMA_CC_PMU_REGCTL_ADDR);
|
|
bcma_pmu_maskset32(cc, BCMA_CC_PMU_REGCTL_DATA, mask, set);
|
|
}
|
|
EXPORT_SYMBOL_GPL(bcma_chipco_regctl_maskset);
|
|
|
|
static u32 bcma_pmu_xtalfreq(struct bcma_drv_cc *cc)
|
|
{
|
|
u32 ilp_ctl, alp_hz;
|
|
|
|
if (!(bcma_pmu_read32(cc, BCMA_CC_PMU_STAT) &
|
|
BCMA_CC_PMU_STAT_EXT_LPO_AVAIL))
|
|
return 0;
|
|
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_XTAL_FREQ,
|
|
BIT(BCMA_CC_PMU_XTAL_FREQ_MEASURE_SHIFT));
|
|
usleep_range(1000, 2000);
|
|
|
|
ilp_ctl = bcma_pmu_read32(cc, BCMA_CC_PMU_XTAL_FREQ);
|
|
ilp_ctl &= BCMA_CC_PMU_XTAL_FREQ_ILPCTL_MASK;
|
|
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_XTAL_FREQ, 0);
|
|
|
|
alp_hz = ilp_ctl * 32768 / 4;
|
|
return (alp_hz + 50000) / 100000 * 100;
|
|
}
|
|
|
|
static void bcma_pmu2_pll_init0(struct bcma_drv_cc *cc, u32 xtalfreq)
|
|
{
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
u32 freq_tgt_target = 0, freq_tgt_current;
|
|
u32 pll0, mask;
|
|
|
|
switch (bus->chipinfo.id) {
|
|
case BCMA_CHIP_ID_BCM43142:
|
|
/* pmu2_xtaltab0_adfll_485 */
|
|
switch (xtalfreq) {
|
|
case 12000:
|
|
freq_tgt_target = 0x50D52;
|
|
break;
|
|
case 20000:
|
|
freq_tgt_target = 0x307FE;
|
|
break;
|
|
case 26000:
|
|
freq_tgt_target = 0x254EA;
|
|
break;
|
|
case 37400:
|
|
freq_tgt_target = 0x19EF8;
|
|
break;
|
|
case 52000:
|
|
freq_tgt_target = 0x12A75;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (!freq_tgt_target) {
|
|
bcma_err(bus, "Unknown TGT frequency for xtalfreq %d\n",
|
|
xtalfreq);
|
|
return;
|
|
}
|
|
|
|
pll0 = bcma_chipco_pll_read(cc, BCMA_CC_PMU15_PLL_PLLCTL0);
|
|
freq_tgt_current = (pll0 & BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK) >>
|
|
BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
|
|
|
|
if (freq_tgt_current == freq_tgt_target) {
|
|
bcma_debug(bus, "Target TGT frequency already set\n");
|
|
return;
|
|
}
|
|
|
|
/* Turn off PLL */
|
|
switch (bus->chipinfo.id) {
|
|
case BCMA_CHIP_ID_BCM43142:
|
|
mask = (u32)~(BCMA_RES_4314_HT_AVAIL |
|
|
BCMA_RES_4314_MACPHY_CLK_AVAIL);
|
|
|
|
bcma_pmu_mask32(cc, BCMA_CC_PMU_MINRES_MSK, mask);
|
|
bcma_pmu_mask32(cc, BCMA_CC_PMU_MAXRES_MSK, mask);
|
|
bcma_wait_value(cc->core, BCMA_CLKCTLST,
|
|
BCMA_CLKCTLST_HAVEHT, 0, 20000);
|
|
break;
|
|
}
|
|
|
|
pll0 &= ~BCMA_CC_PMU15_PLL_PC0_FREQTGT_MASK;
|
|
pll0 |= freq_tgt_target << BCMA_CC_PMU15_PLL_PC0_FREQTGT_SHIFT;
|
|
bcma_chipco_pll_write(cc, BCMA_CC_PMU15_PLL_PLLCTL0, pll0);
|
|
|
|
/* Flush */
|
|
if (cc->pmu.rev >= 2)
|
|
bcma_pmu_set32(cc, BCMA_CC_PMU_CTL, BCMA_CC_PMU_CTL_PLL_UPD);
|
|
|
|
/* TODO: Do we need to update OTP? */
|
|
}
|
|
|
|
static void bcma_pmu_pll_init(struct bcma_drv_cc *cc)
|
|
{
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
u32 xtalfreq = bcma_pmu_xtalfreq(cc);
|
|
|
|
switch (bus->chipinfo.id) {
|
|
case BCMA_CHIP_ID_BCM43142:
|
|
if (xtalfreq == 0)
|
|
xtalfreq = 20000;
|
|
bcma_pmu2_pll_init0(cc, xtalfreq);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void bcma_pmu_resources_init(struct bcma_drv_cc *cc)
|
|
{
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
u32 min_msk = 0, max_msk = 0;
|
|
|
|
switch (bus->chipinfo.id) {
|
|
case BCMA_CHIP_ID_BCM4313:
|
|
min_msk = 0x200D;
|
|
max_msk = 0xFFFF;
|
|
break;
|
|
case BCMA_CHIP_ID_BCM43142:
|
|
min_msk = BCMA_RES_4314_LPLDO_PU |
|
|
BCMA_RES_4314_PMU_SLEEP_DIS |
|
|
BCMA_RES_4314_PMU_BG_PU |
|
|
BCMA_RES_4314_CBUCK_LPOM_PU |
|
|
BCMA_RES_4314_CBUCK_PFM_PU |
|
|
BCMA_RES_4314_CLDO_PU |
|
|
BCMA_RES_4314_LPLDO2_LVM |
|
|
BCMA_RES_4314_WL_PMU_PU |
|
|
BCMA_RES_4314_LDO3P3_PU |
|
|
BCMA_RES_4314_OTP_PU |
|
|
BCMA_RES_4314_WL_PWRSW_PU |
|
|
BCMA_RES_4314_LQ_AVAIL |
|
|
BCMA_RES_4314_LOGIC_RET |
|
|
BCMA_RES_4314_MEM_SLEEP |
|
|
BCMA_RES_4314_MACPHY_RET |
|
|
BCMA_RES_4314_WL_CORE_READY;
|
|
max_msk = 0x3FFFFFFF;
|
|
break;
|
|
default:
|
|
bcma_debug(bus, "PMU resource config unknown or not needed for device 0x%04X\n",
|
|
bus->chipinfo.id);
|
|
}
|
|
|
|
/* Set the resource masks. */
|
|
if (min_msk)
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_MINRES_MSK, min_msk);
|
|
if (max_msk)
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_MAXRES_MSK, max_msk);
|
|
|
|
/*
|
|
* Add some delay; allow resources to come up and settle.
|
|
* Delay is required for SoC (early init).
|
|
*/
|
|
usleep_range(2000, 2500);
|
|
}
|
|
|
|
/* Disable to allow reading SPROM. Don't know the advantages of enabling it. */
|
|
void bcma_chipco_bcm4331_ext_pa_lines_ctl(struct bcma_drv_cc *cc, bool enable)
|
|
{
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
u32 val;
|
|
|
|
val = bcma_cc_read32(cc, BCMA_CC_CHIPCTL);
|
|
if (enable) {
|
|
val |= BCMA_CHIPCTL_4331_EXTPA_EN;
|
|
if (bus->chipinfo.pkg == 9 || bus->chipinfo.pkg == 11)
|
|
val |= BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
|
|
else if (bus->chipinfo.rev > 0)
|
|
val |= BCMA_CHIPCTL_4331_EXTPA_EN2;
|
|
} else {
|
|
val &= ~BCMA_CHIPCTL_4331_EXTPA_EN;
|
|
val &= ~BCMA_CHIPCTL_4331_EXTPA_EN2;
|
|
val &= ~BCMA_CHIPCTL_4331_EXTPA_ON_GPIO2_5;
|
|
}
|
|
bcma_cc_write32(cc, BCMA_CC_CHIPCTL, val);
|
|
}
|
|
|
|
static void bcma_pmu_workarounds(struct bcma_drv_cc *cc)
|
|
{
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
|
|
switch (bus->chipinfo.id) {
|
|
case BCMA_CHIP_ID_BCM4313:
|
|
/*
|
|
* enable 12 mA drive strength for 4313 and set chipControl
|
|
* register bit 1
|
|
*/
|
|
bcma_chipco_chipctl_maskset(cc, 0,
|
|
~BCMA_CCTRL_4313_12MA_LED_DRIVE,
|
|
BCMA_CCTRL_4313_12MA_LED_DRIVE);
|
|
break;
|
|
case BCMA_CHIP_ID_BCM4331:
|
|
case BCMA_CHIP_ID_BCM43431:
|
|
/* Ext PA lines must be enabled for tx on BCM4331 */
|
|
bcma_chipco_bcm4331_ext_pa_lines_ctl(cc, true);
|
|
break;
|
|
case BCMA_CHIP_ID_BCM43224:
|
|
case BCMA_CHIP_ID_BCM43421:
|
|
/*
|
|
* enable 12 mA drive strength for 43224 and set chipControl
|
|
* register bit 15
|
|
*/
|
|
if (bus->chipinfo.rev == 0) {
|
|
bcma_cc_maskset32(cc, BCMA_CC_CHIPCTL,
|
|
~BCMA_CCTRL_43224_GPIO_TOGGLE,
|
|
BCMA_CCTRL_43224_GPIO_TOGGLE);
|
|
bcma_chipco_chipctl_maskset(cc, 0,
|
|
~BCMA_CCTRL_43224A0_12MA_LED_DRIVE,
|
|
BCMA_CCTRL_43224A0_12MA_LED_DRIVE);
|
|
} else {
|
|
bcma_chipco_chipctl_maskset(cc, 0,
|
|
~BCMA_CCTRL_43224B0_12MA_LED_DRIVE,
|
|
BCMA_CCTRL_43224B0_12MA_LED_DRIVE);
|
|
}
|
|
break;
|
|
default:
|
|
bcma_debug(bus, "Workarounds unknown or not needed for device 0x%04X\n",
|
|
bus->chipinfo.id);
|
|
}
|
|
}
|
|
|
|
void bcma_pmu_early_init(struct bcma_drv_cc *cc)
|
|
{
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
u32 pmucap;
|
|
|
|
if (cc->core->id.rev >= 35 &&
|
|
cc->capabilities_ext & BCMA_CC_CAP_EXT_AOB_PRESENT) {
|
|
cc->pmu.core = bcma_find_core(bus, BCMA_CORE_PMU);
|
|
if (!cc->pmu.core)
|
|
bcma_warn(bus, "Couldn't find expected PMU core");
|
|
}
|
|
if (!cc->pmu.core)
|
|
cc->pmu.core = cc->core;
|
|
|
|
pmucap = bcma_pmu_read32(cc, BCMA_CC_PMU_CAP);
|
|
cc->pmu.rev = (pmucap & BCMA_CC_PMU_CAP_REVISION);
|
|
|
|
bcma_debug(bus, "Found rev %u PMU (capabilities 0x%08X)\n", cc->pmu.rev,
|
|
pmucap);
|
|
}
|
|
|
|
void bcma_pmu_init(struct bcma_drv_cc *cc)
|
|
{
|
|
if (cc->pmu.rev == 1)
|
|
bcma_pmu_mask32(cc, BCMA_CC_PMU_CTL,
|
|
~BCMA_CC_PMU_CTL_NOILPONW);
|
|
else
|
|
bcma_pmu_set32(cc, BCMA_CC_PMU_CTL,
|
|
BCMA_CC_PMU_CTL_NOILPONW);
|
|
|
|
bcma_pmu_pll_init(cc);
|
|
bcma_pmu_resources_init(cc);
|
|
bcma_pmu_workarounds(cc);
|
|
}
|
|
|
|
u32 bcma_pmu_get_alp_clock(struct bcma_drv_cc *cc)
|
|
{
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
|
|
switch (bus->chipinfo.id) {
|
|
case BCMA_CHIP_ID_BCM4313:
|
|
case BCMA_CHIP_ID_BCM43224:
|
|
case BCMA_CHIP_ID_BCM43225:
|
|
case BCMA_CHIP_ID_BCM43227:
|
|
case BCMA_CHIP_ID_BCM43228:
|
|
case BCMA_CHIP_ID_BCM4331:
|
|
case BCMA_CHIP_ID_BCM43421:
|
|
case BCMA_CHIP_ID_BCM43428:
|
|
case BCMA_CHIP_ID_BCM43431:
|
|
case BCMA_CHIP_ID_BCM4716:
|
|
case BCMA_CHIP_ID_BCM47162:
|
|
case BCMA_CHIP_ID_BCM4748:
|
|
case BCMA_CHIP_ID_BCM4749:
|
|
case BCMA_CHIP_ID_BCM5357:
|
|
case BCMA_CHIP_ID_BCM53572:
|
|
case BCMA_CHIP_ID_BCM6362:
|
|
/* always 20Mhz */
|
|
return 20000 * 1000;
|
|
case BCMA_CHIP_ID_BCM4706:
|
|
case BCMA_CHIP_ID_BCM5356:
|
|
/* always 25Mhz */
|
|
return 25000 * 1000;
|
|
case BCMA_CHIP_ID_BCM43460:
|
|
case BCMA_CHIP_ID_BCM4352:
|
|
case BCMA_CHIP_ID_BCM4360:
|
|
if (cc->status & BCMA_CC_CHIPST_4360_XTAL_40MZ)
|
|
return 40000 * 1000;
|
|
else
|
|
return 20000 * 1000;
|
|
default:
|
|
bcma_warn(bus, "No ALP clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
|
|
bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_ALP_CLOCK);
|
|
}
|
|
return BCMA_CC_PMU_ALP_CLOCK;
|
|
}
|
|
|
|
/* Find the output of the "m" pll divider given pll controls that start with
|
|
* pllreg "pll0" i.e. 12 for main 6 for phy, 0 for misc.
|
|
*/
|
|
static u32 bcma_pmu_pll_clock(struct bcma_drv_cc *cc, u32 pll0, u32 m)
|
|
{
|
|
u32 tmp, div, ndiv, p1, p2, fc;
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
|
|
BUG_ON((pll0 & 3) || (pll0 > BCMA_CC_PMU4716_MAINPLL_PLL0));
|
|
|
|
BUG_ON(!m || m > 4);
|
|
|
|
if (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
|
|
bus->chipinfo.id == BCMA_CHIP_ID_BCM4749) {
|
|
/* Detect failure in clock setting */
|
|
tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
|
|
if (tmp & 0x40000)
|
|
return 133 * 1000000;
|
|
}
|
|
|
|
tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_P1P2_OFF);
|
|
p1 = (tmp & BCMA_CC_PPL_P1_MASK) >> BCMA_CC_PPL_P1_SHIFT;
|
|
p2 = (tmp & BCMA_CC_PPL_P2_MASK) >> BCMA_CC_PPL_P2_SHIFT;
|
|
|
|
tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_M14_OFF);
|
|
div = (tmp >> ((m - 1) * BCMA_CC_PPL_MDIV_WIDTH)) &
|
|
BCMA_CC_PPL_MDIV_MASK;
|
|
|
|
tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PPL_NM5_OFF);
|
|
ndiv = (tmp & BCMA_CC_PPL_NDIV_MASK) >> BCMA_CC_PPL_NDIV_SHIFT;
|
|
|
|
/* Do calculation in Mhz */
|
|
fc = bcma_pmu_get_alp_clock(cc) / 1000000;
|
|
fc = (p1 * ndiv * fc) / p2;
|
|
|
|
/* Return clock in Hertz */
|
|
return (fc / div) * 1000000;
|
|
}
|
|
|
|
static u32 bcma_pmu_pll_clock_bcm4706(struct bcma_drv_cc *cc, u32 pll0, u32 m)
|
|
{
|
|
u32 tmp, ndiv, p1div, p2div;
|
|
u32 clock;
|
|
|
|
BUG_ON(!m || m > 4);
|
|
|
|
/* Get N, P1 and P2 dividers to determine CPU clock */
|
|
tmp = bcma_chipco_pll_read(cc, pll0 + BCMA_CC_PMU6_4706_PROCPLL_OFF);
|
|
ndiv = (tmp & BCMA_CC_PMU6_4706_PROC_NDIV_INT_MASK)
|
|
>> BCMA_CC_PMU6_4706_PROC_NDIV_INT_SHIFT;
|
|
p1div = (tmp & BCMA_CC_PMU6_4706_PROC_P1DIV_MASK)
|
|
>> BCMA_CC_PMU6_4706_PROC_P1DIV_SHIFT;
|
|
p2div = (tmp & BCMA_CC_PMU6_4706_PROC_P2DIV_MASK)
|
|
>> BCMA_CC_PMU6_4706_PROC_P2DIV_SHIFT;
|
|
|
|
tmp = bcma_cc_read32(cc, BCMA_CC_CHIPSTAT);
|
|
if (tmp & BCMA_CC_CHIPST_4706_PKG_OPTION)
|
|
/* Low cost bonding: Fixed reference clock 25MHz and m = 4 */
|
|
clock = (25000000 / 4) * ndiv * p2div / p1div;
|
|
else
|
|
/* Fixed reference clock 25MHz and m = 2 */
|
|
clock = (25000000 / 2) * ndiv * p2div / p1div;
|
|
|
|
if (m == BCMA_CC_PMU5_MAINPLL_SSB)
|
|
clock = clock / 4;
|
|
|
|
return clock;
|
|
}
|
|
|
|
/* query bus clock frequency for PMU-enabled chipcommon */
|
|
u32 bcma_pmu_get_bus_clock(struct bcma_drv_cc *cc)
|
|
{
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
|
|
switch (bus->chipinfo.id) {
|
|
case BCMA_CHIP_ID_BCM4716:
|
|
case BCMA_CHIP_ID_BCM4748:
|
|
case BCMA_CHIP_ID_BCM47162:
|
|
return bcma_pmu_pll_clock(cc, BCMA_CC_PMU4716_MAINPLL_PLL0,
|
|
BCMA_CC_PMU5_MAINPLL_SSB);
|
|
case BCMA_CHIP_ID_BCM5356:
|
|
return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5356_MAINPLL_PLL0,
|
|
BCMA_CC_PMU5_MAINPLL_SSB);
|
|
case BCMA_CHIP_ID_BCM5357:
|
|
case BCMA_CHIP_ID_BCM4749:
|
|
return bcma_pmu_pll_clock(cc, BCMA_CC_PMU5357_MAINPLL_PLL0,
|
|
BCMA_CC_PMU5_MAINPLL_SSB);
|
|
case BCMA_CHIP_ID_BCM4706:
|
|
return bcma_pmu_pll_clock_bcm4706(cc,
|
|
BCMA_CC_PMU4706_MAINPLL_PLL0,
|
|
BCMA_CC_PMU5_MAINPLL_SSB);
|
|
case BCMA_CHIP_ID_BCM53572:
|
|
return 75000000;
|
|
default:
|
|
bcma_warn(bus, "No bus clock specified for %04X device, pmu rev. %d, using default %d Hz\n",
|
|
bus->chipinfo.id, cc->pmu.rev, BCMA_CC_PMU_HT_CLOCK);
|
|
}
|
|
return BCMA_CC_PMU_HT_CLOCK;
|
|
}
|
|
EXPORT_SYMBOL_GPL(bcma_pmu_get_bus_clock);
|
|
|
|
/* query cpu clock frequency for PMU-enabled chipcommon */
|
|
u32 bcma_pmu_get_cpu_clock(struct bcma_drv_cc *cc)
|
|
{
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
|
|
if (bus->chipinfo.id == BCMA_CHIP_ID_BCM53572)
|
|
return 300000000;
|
|
|
|
/* New PMUs can have different clock for bus and CPU */
|
|
if (cc->pmu.rev >= 5) {
|
|
u32 pll;
|
|
switch (bus->chipinfo.id) {
|
|
case BCMA_CHIP_ID_BCM4706:
|
|
return bcma_pmu_pll_clock_bcm4706(cc,
|
|
BCMA_CC_PMU4706_MAINPLL_PLL0,
|
|
BCMA_CC_PMU5_MAINPLL_CPU);
|
|
case BCMA_CHIP_ID_BCM5356:
|
|
pll = BCMA_CC_PMU5356_MAINPLL_PLL0;
|
|
break;
|
|
case BCMA_CHIP_ID_BCM5357:
|
|
case BCMA_CHIP_ID_BCM4749:
|
|
pll = BCMA_CC_PMU5357_MAINPLL_PLL0;
|
|
break;
|
|
default:
|
|
pll = BCMA_CC_PMU4716_MAINPLL_PLL0;
|
|
break;
|
|
}
|
|
|
|
return bcma_pmu_pll_clock(cc, pll, BCMA_CC_PMU5_MAINPLL_CPU);
|
|
}
|
|
|
|
/* On old PMUs CPU has the same clock as the bus */
|
|
return bcma_pmu_get_bus_clock(cc);
|
|
}
|
|
|
|
static void bcma_pmu_spuravoid_pll_write(struct bcma_drv_cc *cc, u32 offset,
|
|
u32 value)
|
|
{
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR, offset);
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, value);
|
|
}
|
|
|
|
void bcma_pmu_spuravoid_pllupdate(struct bcma_drv_cc *cc, int spuravoid)
|
|
{
|
|
u32 tmp = 0;
|
|
u8 phypll_offset = 0;
|
|
u8 bcm5357_bcm43236_p1div[] = {0x1, 0x5, 0x5};
|
|
u8 bcm5357_bcm43236_ndiv[] = {0x30, 0xf6, 0xfc};
|
|
struct bcma_bus *bus = cc->core->bus;
|
|
|
|
switch (bus->chipinfo.id) {
|
|
case BCMA_CHIP_ID_BCM5357:
|
|
case BCMA_CHIP_ID_BCM4749:
|
|
case BCMA_CHIP_ID_BCM53572:
|
|
/* 5357[ab]0, 43236[ab]0, and 6362b0 */
|
|
|
|
/*
|
|
* BCM5357 needs to touch PLL1_PLLCTL[02],
|
|
* so offset PLL0_PLLCTL[02] by 6
|
|
*/
|
|
phypll_offset = (bus->chipinfo.id == BCMA_CHIP_ID_BCM5357 ||
|
|
bus->chipinfo.id == BCMA_CHIP_ID_BCM4749 ||
|
|
bus->chipinfo.id == BCMA_CHIP_ID_BCM53572) ? 6 : 0;
|
|
|
|
/* RMW only the P1 divider */
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR,
|
|
BCMA_CC_PMU_PLL_CTL0 + phypll_offset);
|
|
tmp = bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA);
|
|
tmp &= (~(BCMA_CC_PMU1_PLL0_PC0_P1DIV_MASK));
|
|
tmp |= (bcm5357_bcm43236_p1div[spuravoid] << BCMA_CC_PMU1_PLL0_PC0_P1DIV_SHIFT);
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, tmp);
|
|
|
|
/* RMW only the int feedback divider */
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_ADDR,
|
|
BCMA_CC_PMU_PLL_CTL2 + phypll_offset);
|
|
tmp = bcma_pmu_read32(cc, BCMA_CC_PMU_PLLCTL_DATA);
|
|
tmp &= ~(BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_MASK);
|
|
tmp |= (bcm5357_bcm43236_ndiv[spuravoid]) << BCMA_CC_PMU1_PLL0_PC2_NDIV_INT_SHIFT;
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_PLLCTL_DATA, tmp);
|
|
|
|
tmp = BCMA_CC_PMU_CTL_PLL_UPD;
|
|
break;
|
|
|
|
case BCMA_CHIP_ID_BCM4331:
|
|
case BCMA_CHIP_ID_BCM43431:
|
|
if (spuravoid == 2) {
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
|
|
0x11500014);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
|
|
0x0FC00a08);
|
|
} else if (spuravoid == 1) {
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
|
|
0x11500014);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
|
|
0x0F600a08);
|
|
} else {
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
|
|
0x11100014);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
|
|
0x03000a08);
|
|
}
|
|
tmp = BCMA_CC_PMU_CTL_PLL_UPD;
|
|
break;
|
|
|
|
case BCMA_CHIP_ID_BCM43224:
|
|
case BCMA_CHIP_ID_BCM43225:
|
|
case BCMA_CHIP_ID_BCM43421:
|
|
if (spuravoid == 1) {
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
|
|
0x11500010);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
|
|
0x000C0C06);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
|
|
0x0F600a08);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
|
|
0x00000000);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
|
|
0x2001E920);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
|
|
0x88888815);
|
|
} else {
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
|
|
0x11100010);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
|
|
0x000c0c06);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
|
|
0x03000a08);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
|
|
0x00000000);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
|
|
0x200005c0);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
|
|
0x88888815);
|
|
}
|
|
tmp = BCMA_CC_PMU_CTL_PLL_UPD;
|
|
break;
|
|
|
|
case BCMA_CHIP_ID_BCM4716:
|
|
case BCMA_CHIP_ID_BCM4748:
|
|
case BCMA_CHIP_ID_BCM47162:
|
|
if (spuravoid == 1) {
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
|
|
0x11500060);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
|
|
0x080C0C06);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
|
|
0x0F600000);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
|
|
0x00000000);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
|
|
0x2001E924);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
|
|
0x88888815);
|
|
} else {
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
|
|
0x11100060);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
|
|
0x080c0c06);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
|
|
0x03000000);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
|
|
0x00000000);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
|
|
0x200005c0);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
|
|
0x88888815);
|
|
}
|
|
|
|
tmp = BCMA_CC_PMU_CTL_PLL_UPD | BCMA_CC_PMU_CTL_NOILPONW;
|
|
break;
|
|
|
|
case BCMA_CHIP_ID_BCM43131:
|
|
case BCMA_CHIP_ID_BCM43217:
|
|
case BCMA_CHIP_ID_BCM43227:
|
|
case BCMA_CHIP_ID_BCM43228:
|
|
case BCMA_CHIP_ID_BCM43428:
|
|
/* LCNXN */
|
|
/*
|
|
* PLL Settings for spur avoidance on/off mode,
|
|
* no on2 support for 43228A0
|
|
*/
|
|
if (spuravoid == 1) {
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
|
|
0x01100014);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
|
|
0x040C0C06);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
|
|
0x03140A08);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
|
|
0x00333333);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
|
|
0x202C2820);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
|
|
0x88888815);
|
|
} else {
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL0,
|
|
0x11100014);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL1,
|
|
0x040c0c06);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL2,
|
|
0x03000a08);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL3,
|
|
0x00000000);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL4,
|
|
0x200005c0);
|
|
bcma_pmu_spuravoid_pll_write(cc, BCMA_CC_PMU_PLL_CTL5,
|
|
0x88888815);
|
|
}
|
|
tmp = BCMA_CC_PMU_CTL_PLL_UPD;
|
|
break;
|
|
default:
|
|
bcma_err(bus, "Unknown spuravoidance settings for chip 0x%04X, not changing PLL\n",
|
|
bus->chipinfo.id);
|
|
break;
|
|
}
|
|
|
|
tmp |= bcma_pmu_read32(cc, BCMA_CC_PMU_CTL);
|
|
bcma_pmu_write32(cc, BCMA_CC_PMU_CTL, tmp);
|
|
}
|
|
EXPORT_SYMBOL_GPL(bcma_pmu_spuravoid_pllupdate);
|