/* PLL controls/clocks */
static void si_pmu1_pllinit0(si_t *sih, chipcregs_t *cc, u32 xtal);
-static u32 si_pmu1_cpuclk0(si_t *sih, chipcregs_t *cc);
static u32 si_pmu1_alpclk0(si_t *sih, chipcregs_t *cc);
/* PMU resources */
PCTL_PLL_PLLCTL_UPD, PCTL_PLL_PLLCTL_UPD);
}
-/* Setup switcher voltage */
-void si_pmu_set_switcher_voltage(si_t *sih, u8 bb_voltage, u8 rf_voltage)
-{
- chipcregs_t *cc;
- uint origidx;
-
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
-
- W_REG(&cc->regcontrol_addr, 0x01);
- W_REG(&cc->regcontrol_data, (u32) (bb_voltage & 0x1f) << 22);
-
- W_REG(&cc->regcontrol_addr, 0x00);
- W_REG(&cc->regcontrol_data, (u32) (rf_voltage & 0x1f) << 14);
-
- /* Return to original core */
- si_setcoreidx(sih, origidx);
-}
-
void si_pmu_set_ldo_voltage(si_t *sih, u8 ldo, u8 voltage)
{
u8 sr_cntl_shift = 0, rc_shift = 0, shift = 0, mask = 0;
return (u16) delay;
}
-u32 si_pmu_force_ilp(si_t *sih, bool force)
-{
- chipcregs_t *cc;
- uint origidx;
- u32 oldpmucontrol;
-
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
-
- oldpmucontrol = R_REG(&cc->pmucontrol);
- if (force)
- W_REG(&cc->pmucontrol, oldpmucontrol &
- ~(PCTL_HT_REQ_EN | PCTL_ALP_REQ_EN));
- else
- W_REG(&cc->pmucontrol, oldpmucontrol |
- (PCTL_HT_REQ_EN | PCTL_ALP_REQ_EN));
-
- /* Return to original core */
- si_setcoreidx(sih, origidx);
-
- return oldpmucontrol;
-}
-
/* Setup resource up/down timers */
typedef struct {
u8 resnum;
W_REG(&cc->pmucontrol, tmp);
}
-/* query the CPU clock frequency */
-static u32
-si_pmu1_cpuclk0(si_t *sih, chipcregs_t *cc)
-{
- u32 tmp, m1div;
- u32 FVCO = si_pmu1_pllfvco0(sih);
-
- /* Read m1div from pllcontrol[1] */
- W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1);
- tmp = R_REG(&cc->pllcontrol_data);
- m1div = (tmp & PMU1_PLL0_PC1_M1DIV_MASK) >> PMU1_PLL0_PC1_M1DIV_SHIFT;
-
- /* Return ARM/SB clock */
- return FVCO / m1div * 1000;
-}
-
/* initialize PLL */
void si_pmu_pll_init(si_t *sih, uint xtalfreq)
{
return 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
-si_pmu5_clock(si_t *sih, chipcregs_t *cc, uint pll0, uint m) {
- u32 tmp, div, ndiv, p1, p2, fc;
-
- if ((pll0 & 3) || (pll0 > PMU4716_MAINPLL_PLL0)) {
- PMU_ERROR(("%s: Bad pll0: %d\n", __func__, pll0));
- return 0;
- }
-
- /* Strictly there is an m5 divider, but I'm not sure we use it */
- if ((m == 0) || (m > 4)) {
- PMU_ERROR(("%s: Bad m divider: %d\n", __func__, m));
- return 0;
- }
-
- if (sih->chip == BCM5357_CHIP_ID) {
- /* Detect failure in clock setting */
- if ((R_REG(&cc->chipstatus) & 0x40000) != 0)
- return 133 * 1000000;
- }
-
- W_REG(&cc->pllcontrol_addr, pll0 + PMU5_PLL_P1P2_OFF);
- (void)R_REG(&cc->pllcontrol_addr);
- tmp = R_REG(&cc->pllcontrol_data);
- p1 = (tmp & PMU5_PLL_P1_MASK) >> PMU5_PLL_P1_SHIFT;
- p2 = (tmp & PMU5_PLL_P2_MASK) >> PMU5_PLL_P2_SHIFT;
-
- W_REG(&cc->pllcontrol_addr, pll0 + PMU5_PLL_M14_OFF);
- (void)R_REG(&cc->pllcontrol_addr);
- tmp = R_REG(&cc->pllcontrol_data);
- div = (tmp >> ((m - 1) * PMU5_PLL_MDIV_WIDTH)) & PMU5_PLL_MDIV_MASK;
-
- W_REG(&cc->pllcontrol_addr, pll0 + PMU5_PLL_NM5_OFF);
- (void)R_REG(&cc->pllcontrol_addr);
- tmp = R_REG(&cc->pllcontrol_data);
- ndiv = (tmp & PMU5_PLL_NDIV_MASK) >> PMU5_PLL_NDIV_SHIFT;
-
- /* Do calculation in Mhz */
- fc = si_pmu_alp_clock(sih) / 1000000;
- fc = (p1 * ndiv * fc) / p2;
-
- PMU_NONE(("%s: p1=%d, p2=%d, ndiv=%d(0x%x), m%d=%d; fc=%d, clock=%d\n",
- __func__, p1, p2, ndiv, ndiv, m, div, fc, fc / div));
-
- /* Return clock in Hertz */
- return (fc / div) * 1000000;
-}
-
-/* query backplane clock frequency */
-/* For designs that feed the same clock to both backplane
- * and CPU just return the CPU clock speed.
- */
-u32 si_pmu_si_clock(si_t *sih)
-{
- chipcregs_t *cc;
- uint origidx;
- u32 clock = HT_CLOCK;
-#ifdef BCMDBG
- char chn[8];
-#endif
-
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
-
- switch (sih->chip) {
- case BCM43224_CHIP_ID:
- case BCM43225_CHIP_ID:
- case BCM43421_CHIP_ID:
- case BCM4331_CHIP_ID:
- case BCM6362_CHIP_ID:
- /* 96MHz backplane clock */
- clock = 96000 * 1000;
- break;
- case BCM4716_CHIP_ID:
- case BCM4748_CHIP_ID:
- case BCM47162_CHIP_ID:
- clock =
- si_pmu5_clock(sih, cc, PMU4716_MAINPLL_PLL0,
- PMU5_MAINPLL_SI);
- break;
- case BCM4329_CHIP_ID:
- if (sih->chiprev == 0)
- clock = 38400 * 1000;
- else
- clock = si_pmu1_cpuclk0(sih, cc);
- break;
- case BCM4319_CHIP_ID:
- case BCM4336_CHIP_ID:
- case BCM4330_CHIP_ID:
- clock = si_pmu1_cpuclk0(sih, cc);
- break;
- case BCM4313_CHIP_ID:
- /* 80MHz backplane clock */
- clock = 80000 * 1000;
- break;
- case BCM43235_CHIP_ID:
- case BCM43236_CHIP_ID:
- case BCM43238_CHIP_ID:
- clock =
- (cc->chipstatus & CST43236_BP_CLK) ? (120000 *
- 1000) : (96000 *
- 1000);
- break;
- case BCM5356_CHIP_ID:
- clock =
- si_pmu5_clock(sih, cc, PMU5356_MAINPLL_PLL0,
- PMU5_MAINPLL_SI);
- break;
- case BCM5357_CHIP_ID:
- clock =
- si_pmu5_clock(sih, cc, PMU5357_MAINPLL_PLL0,
- PMU5_MAINPLL_SI);
- break;
- default:
- PMU_MSG(("No backplane clock specified "
- "for chip %s rev %d pmurev %d, using default %d Hz\n",
- bcm_chipname(sih->chip, chn, 8), sih->chiprev,
- sih->pmurev, clock));
- break;
- }
-
- /* Return to original core */
- si_setcoreidx(sih, origidx);
- return clock;
-}
-
-/* query CPU clock frequency */
-u32 si_pmu_cpu_clock(si_t *sih)
-{
- chipcregs_t *cc;
- uint origidx;
- u32 clock;
-
- if ((sih->pmurev >= 5) &&
- !((sih->chip == BCM4329_CHIP_ID) ||
- (sih->chip == BCM4319_CHIP_ID) ||
- (sih->chip == BCM43236_CHIP_ID) ||
- (sih->chip == BCM4336_CHIP_ID) ||
- (sih->chip == BCM4330_CHIP_ID))) {
- uint pll;
-
- switch (sih->chip) {
- case BCM5356_CHIP_ID:
- pll = PMU5356_MAINPLL_PLL0;
- break;
- case BCM5357_CHIP_ID:
- pll = PMU5357_MAINPLL_PLL0;
- break;
- default:
- pll = PMU4716_MAINPLL_PLL0;
- break;
- }
-
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
-
- clock = si_pmu5_clock(sih, cc, pll, PMU5_MAINPLL_CPU);
-
- /* Return to original core */
- si_setcoreidx(sih, origidx);
- } else
- clock = si_pmu_si_clock(sih);
-
- return clock;
-}
-
-/* query memory clock frequency */
-u32 si_pmu_mem_clock(si_t *sih)
-{
- chipcregs_t *cc;
- uint origidx;
- u32 clock;
-
- if ((sih->pmurev >= 5) &&
- !((sih->chip == BCM4329_CHIP_ID) ||
- (sih->chip == BCM4319_CHIP_ID) ||
- (sih->chip == BCM4330_CHIP_ID) ||
- (sih->chip == BCM4336_CHIP_ID) ||
- (sih->chip == BCM43236_CHIP_ID))) {
- uint pll;
-
- switch (sih->chip) {
- case BCM5356_CHIP_ID:
- pll = PMU5356_MAINPLL_PLL0;
- break;
- case BCM5357_CHIP_ID:
- pll = PMU5357_MAINPLL_PLL0;
- break;
- default:
- pll = PMU4716_MAINPLL_PLL0;
- break;
- }
-
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
-
- clock = si_pmu5_clock(sih, cc, pll, PMU5_MAINPLL_MEM);
-
- /* Return to original core */
- si_setcoreidx(sih, origidx);
- } else {
- clock = si_pmu_si_clock(sih);
- }
-
- return clock;
-}
-
/* Measure ILP clock frequency */
#define ILP_CALC_DUR 10 /* ms, make sure 1000 can be divided by it. */
si_setcoreidx(sih, origidx);
}
-void si_pmu_rcal(si_t *sih)
-{
- chipcregs_t *cc;
- uint origidx;
-
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
-
- switch (sih->chip) {
- case BCM4329_CHIP_ID:{
- u8 rcal_code;
- u32 val;
-
- /* Kick RCal */
- W_REG(&cc->chipcontrol_addr, 1);
-
- /* Power Down RCAL Block */
- AND_REG(&cc->chipcontrol_data, ~0x04);
-
- /* Power Up RCAL block */
- OR_REG(&cc->chipcontrol_data, 0x04);
-
- /* Wait for completion */
- SPINWAIT(0 == (R_REG(&cc->chipstatus) & 0x08),
- 10 * 1000 * 1000);
-
- /* Drop the LSB to convert from 5 bit code to 4 bit code */
- rcal_code =
- (u8) (R_REG(&cc->chipstatus) >> 5) & 0x0f;
-
- PMU_MSG(("RCal completed, status 0x%x, code 0x%x\n",
- R_REG(&cc->chipstatus), rcal_code));
-
- /* Write RCal code into pmu_vreg_ctrl[32:29] */
- W_REG(&cc->regcontrol_addr, 0);
- val =
- R_REG(&cc->regcontrol_data) & ~((u32) 0x07 << 29);
- val |= (u32) (rcal_code & 0x07) << 29;
- W_REG(&cc->regcontrol_data, val);
- W_REG(&cc->regcontrol_addr, 1);
- val = R_REG(&cc->regcontrol_data) & ~(u32) 0x01;
- val |= (u32) ((rcal_code >> 3) & 0x01);
- W_REG(&cc->regcontrol_data, val);
-
- /* Write RCal code into pmu_chip_ctrl[33:30] */
- W_REG(&cc->chipcontrol_addr, 0);
- val =
- R_REG(&cc->chipcontrol_data) & ~((u32) 0x03 << 30);
- val |= (u32) (rcal_code & 0x03) << 30;
- W_REG(&cc->chipcontrol_data, val);
- W_REG(&cc->chipcontrol_addr, 1);
- val =
- R_REG(&cc->chipcontrol_data) & ~(u32) 0x03;
- val |= (u32) ((rcal_code >> 2) & 0x03);
- W_REG(&cc->chipcontrol_data, val);
-
- /* Set override in pmu_chip_ctrl[29] */
- W_REG(&cc->chipcontrol_addr, 0);
- OR_REG(&cc->chipcontrol_data, (0x01 << 29));
-
- /* Power off RCal block */
- W_REG(&cc->chipcontrol_addr, 1);
- AND_REG(&cc->chipcontrol_data, ~0x04);
-
- break;
- }
- default:
- break;
- }
-
- /* Return to original core */
- si_setcoreidx(sih, origidx);
-}
-
void si_pmu_spuravoid(si_t *sih, u8 spuravoid)
{
chipcregs_t *cc;
}
}
-void si_pmu_radio_enable(si_t *sih, bool enable)
-{
- switch (sih->chip) {
- case BCM4319_CHIP_ID:
- if (enable)
- si_write_wrapperreg(sih, AI_OOBSELOUTB74,
- (u32) 0x868584);
- else
- si_write_wrapperreg(sih, AI_OOBSELOUTB74,
- (u32) 0x060584);
- break;
- }
-}
-
-/* Wait for a particular clock level to be on the backplane */
-u32
-si_pmu_waitforclk_on_backplane(si_t *sih, u32 clk, u32 delay)
-{
- chipcregs_t *cc;
- uint origidx;
-
- /* Remember original core before switch to chipc */
- origidx = si_coreidx(sih);
- cc = si_setcoreidx(sih, SI_CC_IDX);
-
- if (delay)
- SPINWAIT(((R_REG(&cc->pmustatus) & clk) != clk), delay);
-
- /* Return to original core */
- si_setcoreidx(sih, origidx);
-
- return R_REG(&cc->pmustatus) & clk;
-}
-
/*
* Measures the ALP clock frequency in KHz. Returns 0 if not possible.
* Possible only if PMU rev >= 10 and there is an external LPO 32768Hz crystal.
projects / ~andy / linux / blobdiff