diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmsmac/wlc_pmu.c')
| -rw-r--r-- | drivers/staging/brcm80211/brcmsmac/wlc_pmu.c | 1929 |
1 files changed, 1929 insertions, 0 deletions
diff --git a/drivers/staging/brcm80211/brcmsmac/wlc_pmu.c b/drivers/staging/brcm80211/brcmsmac/wlc_pmu.c new file mode 100644 index 000000000000..82986bd1ccfa --- /dev/null +++ b/drivers/staging/brcm80211/brcmsmac/wlc_pmu.c @@ -0,0 +1,1929 @@ +/* + * Copyright (c) 2011 Broadcom Corporation + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION + * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN + * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/delay.h> +#include <linux/io.h> + +#include <bcmdevs.h> +#include <sbchipc.h> +#include <bcmutils.h> +#include <bcmnvram.h> +#include "wlc_pmu.h" + +/* + * d11 slow to fast clock transition time in slow clock cycles + */ +#define D11SCC_SLOW2FAST_TRANSITION 2 + +/* + * external LPO crystal frequency + */ +#define EXT_ILP_HZ 32768 + +/* + * Duration for ILP clock frequency measurment in milliseconds + * + * remark: 1000 must be an integer multiple of this duration + */ +#define ILP_CALC_DUR 10 + +/* + * FVCO frequency + */ +#define FVCO_880 880000 /* 880MHz */ +#define FVCO_1760 1760000 /* 1760MHz */ +#define FVCO_1440 1440000 /* 1440MHz */ +#define FVCO_960 960000 /* 960MHz */ + +/* + * PMU crystal table indices for 1440MHz fvco + */ +#define PMU1_XTALTAB0_1440_12000K 0 +#define PMU1_XTALTAB0_1440_13000K 1 +#define PMU1_XTALTAB0_1440_14400K 2 +#define PMU1_XTALTAB0_1440_15360K 3 +#define PMU1_XTALTAB0_1440_16200K 4 +#define PMU1_XTALTAB0_1440_16800K 5 +#define PMU1_XTALTAB0_1440_19200K 6 +#define PMU1_XTALTAB0_1440_19800K 7 +#define PMU1_XTALTAB0_1440_20000K 8 +#define PMU1_XTALTAB0_1440_25000K 9 +#define PMU1_XTALTAB0_1440_26000K 10 +#define PMU1_XTALTAB0_1440_30000K 11 +#define PMU1_XTALTAB0_1440_37400K 12 +#define PMU1_XTALTAB0_1440_38400K 13 +#define PMU1_XTALTAB0_1440_40000K 14 +#define PMU1_XTALTAB0_1440_48000K 15 + +/* + * PMU crystal table indices for 960MHz fvco + */ +#define PMU1_XTALTAB0_960_12000K 0 +#define PMU1_XTALTAB0_960_13000K 1 +#define PMU1_XTALTAB0_960_14400K 2 +#define PMU1_XTALTAB0_960_15360K 3 +#define PMU1_XTALTAB0_960_16200K 4 +#define PMU1_XTALTAB0_960_16800K 5 +#define PMU1_XTALTAB0_960_19200K 6 +#define PMU1_XTALTAB0_960_19800K 7 +#define PMU1_XTALTAB0_960_20000K 8 +#define PMU1_XTALTAB0_960_25000K 9 +#define PMU1_XTALTAB0_960_26000K 10 +#define PMU1_XTALTAB0_960_30000K 11 +#define PMU1_XTALTAB0_960_37400K 12 +#define PMU1_XTALTAB0_960_38400K 13 +#define PMU1_XTALTAB0_960_40000K 14 +#define PMU1_XTALTAB0_960_48000K 15 + +/* + * PMU crystal table indices for 880MHz fvco + */ +#define PMU1_XTALTAB0_880_12000K 0 +#define PMU1_XTALTAB0_880_13000K 1 +#define PMU1_XTALTAB0_880_14400K 2 +#define PMU1_XTALTAB0_880_15360K 3 +#define PMU1_XTALTAB0_880_16200K 4 +#define PMU1_XTALTAB0_880_16800K 5 +#define PMU1_XTALTAB0_880_19200K 6 +#define PMU1_XTALTAB0_880_19800K 7 +#define PMU1_XTALTAB0_880_20000K 8 +#define PMU1_XTALTAB0_880_24000K 9 +#define PMU1_XTALTAB0_880_25000K 10 +#define PMU1_XTALTAB0_880_26000K 11 +#define PMU1_XTALTAB0_880_30000K 12 +#define PMU1_XTALTAB0_880_37400K 13 +#define PMU1_XTALTAB0_880_38400K 14 +#define PMU1_XTALTAB0_880_40000K 15 + +/* + * crystal frequency values + */ +#define XTAL_FREQ_24000MHZ 24000 +#define XTAL_FREQ_30000MHZ 30000 +#define XTAL_FREQ_37400MHZ 37400 +#define XTAL_FREQ_48000MHZ 48000 + +/* + * Resource dependancies mask change action + * + * @RES_DEPEND_SET: Override the dependancies mask + * @RES_DEPEND_ADD: Add to the dependancies mask + * @RES_DEPEND_REMOVE: Remove from the dependancies mask + */ +#define RES_DEPEND_SET 0 +#define RES_DEPEND_ADD 1 +#define RES_DEPEND_REMOVE -1 + +/* d11 slow to fast clock transition time in slow clock cycles */ +#define D11SCC_SLOW2FAST_TRANSITION 2 + +/* Setup resource up/down timers */ +typedef struct { + u8 resnum; + u16 updown; +} pmu_res_updown_t; + +/* Change resource dependancies masks */ +typedef struct { + u32 res_mask; /* resources (chip specific) */ + s8 action; /* action */ + u32 depend_mask; /* changes to the dependancies mask */ + bool(*filter) (si_t *sih); /* action is taken when filter is NULL or return true */ +} pmu_res_depend_t; + +/* setup pll and query clock speed */ +typedef struct { + u16 fref; + u8 xf; + u8 p1div; + u8 p2div; + u8 ndiv_int; + u32 ndiv_frac; +} pmu1_xtaltab0_t; + +/* + * prototypes used in resource tables + */ +static bool si_pmu_res_depfltr_bb(si_t *sih); +static bool si_pmu_res_depfltr_ncb(si_t *sih); +static bool si_pmu_res_depfltr_paldo(si_t *sih); +static bool si_pmu_res_depfltr_npaldo(si_t *sih); + +static const pmu_res_updown_t bcm4328a0_res_updown[] = { + { + RES4328_EXT_SWITCHER_PWM, 0x0101}, { + RES4328_BB_SWITCHER_PWM, 0x1f01}, { + RES4328_BB_SWITCHER_BURST, 0x010f}, { + RES4328_BB_EXT_SWITCHER_BURST, 0x0101}, { + RES4328_ILP_REQUEST, 0x0202}, { + RES4328_RADIO_SWITCHER_PWM, 0x0f01}, { + RES4328_RADIO_SWITCHER_BURST, 0x0f01}, { + RES4328_ROM_SWITCH, 0x0101}, { + RES4328_PA_REF_LDO, 0x0f01}, { + RES4328_RADIO_LDO, 0x0f01}, { + RES4328_AFE_LDO, 0x0f01}, { + RES4328_PLL_LDO, 0x0f01}, { + RES4328_BG_FILTBYP, 0x0101}, { + RES4328_TX_FILTBYP, 0x0101}, { + RES4328_RX_FILTBYP, 0x0101}, { + RES4328_XTAL_PU, 0x0101}, { + RES4328_XTAL_EN, 0xa001}, { + RES4328_BB_PLL_FILTBYP, 0x0101}, { + RES4328_RF_PLL_FILTBYP, 0x0101}, { + RES4328_BB_PLL_PU, 0x0701} +}; + +static const pmu_res_depend_t bcm4328a0_res_depend[] = { + /* Adjust ILP request resource not to force ext/BB switchers into burst mode */ + { + PMURES_BIT(RES4328_ILP_REQUEST), + RES_DEPEND_SET, + PMURES_BIT(RES4328_EXT_SWITCHER_PWM) | + PMURES_BIT(RES4328_BB_SWITCHER_PWM), NULL} +}; + +static const pmu_res_updown_t bcm4325a0_res_updown_qt[] = { + { + RES4325_HT_AVAIL, 0x0300}, { + RES4325_BBPLL_PWRSW_PU, 0x0101}, { + RES4325_RFPLL_PWRSW_PU, 0x0101}, { + RES4325_ALP_AVAIL, 0x0100}, { + RES4325_XTAL_PU, 0x1000}, { + RES4325_LNLDO1_PU, 0x0800}, { + RES4325_CLDO_CBUCK_PWM, 0x0101}, { + RES4325_CBUCK_PWM, 0x0803} +}; + +static const pmu_res_updown_t bcm4325a0_res_updown[] = { + { + RES4325_XTAL_PU, 0x1501} +}; + +static const pmu_res_depend_t bcm4325a0_res_depend[] = { + /* Adjust OTP PU resource dependencies - remove BB BURST */ + { + PMURES_BIT(RES4325_OTP_PU), + RES_DEPEND_REMOVE, + PMURES_BIT(RES4325_BUCK_BOOST_BURST), NULL}, + /* Adjust ALP/HT Avail resource dependencies - bring up BB along if it is used. */ + { + PMURES_BIT(RES4325_ALP_AVAIL) | PMURES_BIT(RES4325_HT_AVAIL), + RES_DEPEND_ADD, + PMURES_BIT(RES4325_BUCK_BOOST_BURST) | + PMURES_BIT(RES4325_BUCK_BOOST_PWM), si_pmu_res_depfltr_bb}, + /* Adjust HT Avail resource dependencies - bring up RF switches along with HT. */ + { + PMURES_BIT(RES4325_HT_AVAIL), + RES_DEPEND_ADD, + PMURES_BIT(RES4325_RX_PWRSW_PU) | + PMURES_BIT(RES4325_TX_PWRSW_PU) | + PMURES_BIT(RES4325_LOGEN_PWRSW_PU) | + PMURES_BIT(RES4325_AFE_PWRSW_PU), NULL}, + /* Adjust ALL resource dependencies - remove CBUCK dependancies if it is not used. */ + { + PMURES_BIT(RES4325_ILP_REQUEST) | + PMURES_BIT(RES4325_ABUCK_BURST) | + PMURES_BIT(RES4325_ABUCK_PWM) | + PMURES_BIT(RES4325_LNLDO1_PU) | + PMURES_BIT(RES4325C1_LNLDO2_PU) | + PMURES_BIT(RES4325_XTAL_PU) | + PMURES_BIT(RES4325_ALP_AVAIL) | + PMURES_BIT(RES4325_RX_PWRSW_PU) | + PMURES_BIT(RES4325_TX_PWRSW_PU) | + PMURES_BIT(RES4325_RFPLL_PWRSW_PU) | + PMURES_BIT(RES4325_LOGEN_PWRSW_PU) | + PMURES_BIT(RES4325_AFE_PWRSW_PU) | + PMURES_BIT(RES4325_BBPLL_PWRSW_PU) | + PMURES_BIT(RES4325_HT_AVAIL), RES_DEPEND_REMOVE, + PMURES_BIT(RES4325B0_CBUCK_LPOM) | + PMURES_BIT(RES4325B0_CBUCK_BURST) | + PMURES_BIT(RES4325B0_CBUCK_PWM), si_pmu_res_depfltr_ncb} +}; + +static const pmu_res_updown_t bcm4315a0_res_updown_qt[] = { + { + RES4315_HT_AVAIL, 0x0101}, { + RES4315_XTAL_PU, 0x0100}, { + RES4315_LNLDO1_PU, 0x0100}, { + RES4315_PALDO_PU, 0x0100}, { + RES4315_CLDO_PU, 0x0100}, { + RES4315_CBUCK_PWM, 0x0100}, { + RES4315_CBUCK_BURST, 0x0100}, { + RES4315_CBUCK_LPOM, 0x0100} +}; + +static const pmu_res_updown_t bcm4315a0_res_updown[] = { + { + RES4315_XTAL_PU, 0x2501} +}; + +static const pmu_res_depend_t bcm4315a0_res_depend[] = { + /* Adjust OTP PU resource dependencies - not need PALDO unless write */ + { + PMURES_BIT(RES4315_OTP_PU), + RES_DEPEND_REMOVE, + PMURES_BIT(RES4315_PALDO_PU), si_pmu_res_depfltr_npaldo}, + /* Adjust ALP/HT Avail resource dependencies - bring up PALDO along if it is used. */ + { + PMURES_BIT(RES4315_ALP_AVAIL) | PMURES_BIT(RES4315_HT_AVAIL), + RES_DEPEND_ADD, + PMURES_BIT(RES4315_PALDO_PU), si_pmu_res_depfltr_paldo}, + /* Adjust HT Avail resource dependencies - bring up RF switches along with HT. */ + { + PMURES_BIT(RES4315_HT_AVAIL), + RES_DEPEND_ADD, + PMURES_BIT(RES4315_RX_PWRSW_PU) | + PMURES_BIT(RES4315_TX_PWRSW_PU) | + PMURES_BIT(RES4315_LOGEN_PWRSW_PU) | + PMURES_BIT(RES4315_AFE_PWRSW_PU), NULL}, + /* Adjust ALL resource dependencies - remove CBUCK dependancies if it is not used. */ + { + PMURES_BIT(RES4315_CLDO_PU) | PMURES_BIT(RES4315_ILP_REQUEST) | + PMURES_BIT(RES4315_LNLDO1_PU) | + PMURES_BIT(RES4315_OTP_PU) | + PMURES_BIT(RES4315_LNLDO2_PU) | + PMURES_BIT(RES4315_XTAL_PU) | + PMURES_BIT(RES4315_ALP_AVAIL) | + PMURES_BIT(RES4315_RX_PWRSW_PU) | + PMURES_BIT(RES4315_TX_PWRSW_PU) | + PMURES_BIT(RES4315_RFPLL_PWRSW_PU) | + PMURES_BIT(RES4315_LOGEN_PWRSW_PU) | + PMURES_BIT(RES4315_AFE_PWRSW_PU) | + PMURES_BIT(RES4315_BBPLL_PWRSW_PU) | + PMURES_BIT(RES4315_HT_AVAIL), RES_DEPEND_REMOVE, + PMURES_BIT(RES4315_CBUCK_LPOM) | + PMURES_BIT(RES4315_CBUCK_BURST) | + PMURES_BIT(RES4315_CBUCK_PWM), si_pmu_res_depfltr_ncb} +}; + + /* 4329 specific. needs to come back this issue later */ +static const pmu_res_updown_t bcm4329_res_updown[] = { + { + RES4329_XTAL_PU, 0x1501} +}; + +static const pmu_res_depend_t bcm4329_res_depend[] = { + /* Adjust HT Avail resource dependencies */ + { + PMURES_BIT(RES4329_HT_AVAIL), + RES_DEPEND_ADD, + PMURES_BIT(RES4329_CBUCK_LPOM) | + PMURES_BIT(RES4329_CBUCK_BURST) | + PMURES_BIT(RES4329_CBUCK_PWM) | + PMURES_BIT(RES4329_CLDO_PU) | + PMURES_BIT(RES4329_PALDO_PU) | + PMURES_BIT(RES4329_LNLDO1_PU) | + PMURES_BIT(RES4329_XTAL_PU) | + PMURES_BIT(RES4329_ALP_AVAIL) | + PMURES_BIT(RES4329_RX_PWRSW_PU) | + PMURES_BIT(RES4329_TX_PWRSW_PU) | + PMURES_BIT(RES4329_RFPLL_PWRSW_PU) | + PMURES_BIT(RES4329_LOGEN_PWRSW_PU) | + PMURES_BIT(RES4329_AFE_PWRSW_PU) | + PMURES_BIT(RES4329_BBPLL_PWRSW_PU), NULL} +}; + +static const pmu_res_updown_t bcm4319a0_res_updown_qt[] = { + { + RES4319_HT_AVAIL, 0x0101}, { + RES4319_XTAL_PU, 0x0100}, { + RES4319_LNLDO1_PU, 0x0100}, { + RES4319_PALDO_PU, 0x0100}, { + RES4319_CLDO_PU, 0x0100}, { + RES4319_CBUCK_PWM, 0x0100}, { + RES4319_CBUCK_BURST, 0x0100}, { + RES4319_CBUCK_LPOM, 0x0100} +}; + +static const pmu_res_updown_t bcm4319a0_res_updown[] = { + { + RES4319_XTAL_PU, 0x3f01} +}; + +static const pmu_res_depend_t bcm4319a0_res_depend[] = { + /* Adjust OTP PU resource dependencies - not need PALDO unless write */ + { + PMURES_BIT(RES4319_OTP_PU), + RES_DEPEND_REMOVE, + PMURES_BIT(RES4319_PALDO_PU), si_pmu_res_depfltr_npaldo}, + /* Adjust HT Avail resource dependencies - bring up PALDO along if it is used. */ + { + PMURES_BIT(RES4319_HT_AVAIL), + RES_DEPEND_ADD, + PMURES_BIT(RES4319_PALDO_PU), si_pmu_res_depfltr_paldo}, + /* Adjust HT Avail resource dependencies - bring up RF switches along with HT. */ + { + PMURES_BIT(RES4319_HT_AVAIL), + RES_DEPEND_ADD, + PMURES_BIT(RES4319_RX_PWRSW_PU) | + PMURES_BIT(RES4319_TX_PWRSW_PU) | + PMURES_BIT(RES4319_RFPLL_PWRSW_PU) | + PMURES_BIT(RES4319_LOGEN_PWRSW_PU) | + PMURES_BIT(RES4319_AFE_PWRSW_PU), NULL} +}; + +static const pmu_res_updown_t bcm4336a0_res_updown_qt[] = { + { + RES4336_HT_AVAIL, 0x0101}, { + RES4336_XTAL_PU, 0x0100}, { + RES4336_CLDO_PU, 0x0100}, { + RES4336_CBUCK_PWM, 0x0100}, { + RES4336_CBUCK_BURST, 0x0100}, { + RES4336_CBUCK_LPOM, 0x0100} +}; + +static const pmu_res_updown_t bcm4336a0_res_updown[] = { + { + RES4336_HT_AVAIL, 0x0D01} +}; + +static const pmu_res_depend_t bcm4336a0_res_depend[] = { + /* Just a dummy entry for now */ + { + PMURES_BIT(RES4336_RSVD), RES_DEPEND_ADD, 0, NULL} +}; + +static const pmu_res_updown_t bcm4330a0_res_updown_qt[] = { + { + RES4330_HT_AVAIL, 0x0101}, { + RES4330_XTAL_PU, 0x0100}, { + RES4330_CLDO_PU, 0x0100}, { + RES4330_CBUCK_PWM, 0x0100}, { + RES4330_CBUCK_BURST, 0x0100}, { + RES4330_CBUCK_LPOM, 0x0100} +}; + +static const pmu_res_updown_t bcm4330a0_res_updown[] = { + { + RES4330_HT_AVAIL, 0x0e02} +}; + +static const pmu_res_depend_t bcm4330a0_res_depend[] = { + /* Just a dummy entry for now */ + { + PMURES_BIT(RES4330_HT_AVAIL), RES_DEPEND_ADD, 0, NULL} +}; + +/* the following table is based on 1440Mhz fvco */ +static const pmu1_xtaltab0_t pmu1_xtaltab0_1440[] = { + { + 12000, 1, 1, 1, 0x78, 0x0}, { + 13000, 2, 1, 1, 0x6E, 0xC4EC4E}, { + 14400, 3, 1, 1, 0x64, 0x0}, { + 15360, 4, 1, 1, 0x5D, 0xC00000}, { + 16200, 5, 1, 1, 0x58, 0xE38E38}, { + 16800, 6, 1, 1, 0x55, 0xB6DB6D}, { + 19200, 7, 1, 1, 0x4B, 0}, { + 19800, 8, 1, 1, 0x48, 0xBA2E8B}, { + 20000, 9, 1, 1, 0x48, 0x0}, { + 25000, 10, 1, 1, 0x39, 0x999999}, { + 26000, 11, 1, 1, 0x37, 0x627627}, { + 30000, 12, 1, 1, 0x30, 0x0}, { + 37400, 13, 2, 1, 0x4D, 0x15E76}, { + 38400, 13, 2, 1, 0x4B, 0x0}, { + 40000, 14, 2, 1, 0x48, 0x0}, { + 48000, 15, 2, 1, 0x3c, 0x0}, { + 0, 0, 0, 0, 0, 0} +}; + +static const pmu1_xtaltab0_t pmu1_xtaltab0_960[] = { + { + 12000, 1, 1, 1, 0x50, 0x0}, { + 13000, 2, 1, 1, 0x49, 0xD89D89}, { + 14400, 3, 1, 1, 0x42, 0xAAAAAA}, { + 15360, 4, 1, 1, 0x3E, 0x800000}, { + 16200, 5, 1, 1, 0x39, 0x425ED0}, { + 16800, 6, 1, 1, 0x39, 0x249249}, { + 19200, 7, 1, 1, 0x32, 0x0}, { + 19800, 8, 1, 1, 0x30, 0x7C1F07}, { + 20000, 9, 1, 1, 0x30, 0x0}, { + 25000, 10, 1, 1, 0x26, 0x666666}, { + 26000, 11, 1, 1, 0x24, 0xEC4EC4}, { + 30000, 12, 1, 1, 0x20, 0x0}, { + 37400, 13, 2, 1, 0x33, 0x563EF9}, { + 38400, 14, 2, 1, 0x32, 0x0}, { + 40000, 15, 2, 1, 0x30, 0x0}, { + 48000, 16, 2, 1, 0x28, 0x0}, { + 0, 0, 0, 0, 0, 0} +}; + +static const pmu1_xtaltab0_t pmu1_xtaltab0_880_4329[] = { + { + 12000, 1, 3, 22, 0x9, 0xFFFFEF}, { + 13000, 2, 1, 6, 0xb, 0x483483}, { + 14400, 3, 1, 10, 0xa, 0x1C71C7}, { + 15360, 4, 1, 5, 0xb, 0x755555}, { + 16200, 5, 1, 10, 0x5, 0x6E9E06}, { + 16800, 6, 1, 10, 0x5, 0x3Cf3Cf}, { + 19200, 7, 1, 4, 0xb, 0x755555}, { + 19800, 8, 1, 11, 0x4, 0xA57EB}, { + 20000, 9, 1, 11, 0x4, 0x0}, { + 24000, 10, 3, 11, 0xa, 0x0}, { + 25000, 11, 5, 16, 0xb, 0x0}, { + 26000, 12, 1, 1, 0x21, 0xD89D89}, { + 30000, 13, 3, 8, 0xb, 0x0}, { + 37400, 14, 3, 1, 0x46, 0x969696}, { + 38400, 15, 1, 1, 0x16, 0xEAAAAA}, { + 40000, 16, 1, 2, 0xb, 0}, { + 0, 0, 0, 0, 0, 0} +}; + +/* the following table is based on 880Mhz fvco */ +static const pmu1_xtaltab0_t pmu1_xtaltab0_880[] = { + { + 12000, 1, 3, 22, 0x9, 0xFFFFEF}, { + 13000, 2, 1, 6, 0xb, 0x483483}, { + 14400, 3, 1, 10, 0xa, 0x1C71C7}, { + 15360, 4, 1, 5, 0xb, 0x755555}, { + 16200, 5, 1, 10, 0x5, 0x6E9E06}, { + 16800, 6, 1, 10, 0x5, 0x3Cf3Cf}, { + 19200, 7, 1, 4, 0xb, 0x755555}, { + 19800, 8, 1, 11, 0x4, 0xA57EB}, { + 20000, 9, 1, 11, 0x4, 0x0}, { + 24000, 10, 3, 11, 0xa, 0x0}, { + 25000, 11, 5, 16, 0xb, 0x0}, { + 26000, 12, 1, 2, 0x10, 0xEC4EC4}, { + 30000, 13, 3, 8, 0xb, 0x0}, { + 33600, 14, 1, 2, 0xd, 0x186186}, { + 38400, 15, 1, 2, 0xb, 0x755555}, { + 40000, 16, 1, 2, 0xb, 0}, { + 0, 0, 0, 0, 0, 0} +}; + +/* true if the power topology uses the buck boost to provide 3.3V to VDDIO_RF and WLAN PA */ +static bool si_pmu_res_depfltr_bb(si_t *sih) +{ + return (sih->boardflags & BFL_BUCKBOOST) != 0; +} + +/* true if the power topology doesn't use the cbuck. Key on chiprev also if the chip is BCM4325. */ +static bool si_pmu_res_depfltr_ncb(si_t *sih) +{ + + return (sih->boardflags & BFL_NOCBUCK) != 0; +} + +/* true if the power topology uses the PALDO */ +static bool si_pmu_res_depfltr_paldo(si_t *sih) +{ + return (sih->boardflags & BFL_PALDO) != 0; +} + +/* true if the power topology doesn't use the PALDO */ +static bool si_pmu_res_depfltr_npaldo(si_t *sih) +{ + return (sih->boardflags & BFL_PALDO) == 0; +} + +/* Return dependancies (direct or all/indirect) for the given resources */ +static u32 +si_pmu_res_deps(si_t *sih, chipcregs_t *cc, u32 rsrcs, + bool all) +{ + u32 deps = 0; + u32 i; + + for (i = 0; i <= PMURES_MAX_RESNUM; i++) { + if (!(rsrcs & PMURES_BIT(i))) + continue; + W_REG(&cc->res_table_sel, i); + deps |= R_REG(&cc->res_dep_mask); + } + + return !all ? deps : (deps + ? (deps | + si_pmu_res_deps(sih, cc, deps, + true)) : 0); +} + +/* Determine min/max rsrc masks. Value 0 leaves hardware at default. */ +static void si_pmu_res_masks(si_t *sih, u32 * pmin, u32 * pmax) +{ + u32 min_mask = 0, max_mask = 0; + uint rsrcs; + char *val; + + /* # resources */ + rsrcs = (sih->pmucaps & PCAP_RC_MASK) >> PCAP_RC_SHIFT; + + /* determine min/max rsrc masks */ + switch (sih->chip) { + case BCM43224_CHIP_ID: + case BCM43225_CHIP_ID: + case BCM43421_CHIP_ID: + case BCM43235_CHIP_ID: + case BCM43236_CHIP_ID: + case BCM43238_CHIP_ID: + case BCM4331_CHIP_ID: + case BCM6362_CHIP_ID: + /* ??? */ + break; + + case BCM4329_CHIP_ID: + /* 4329 spedific issue. Needs to come back this issue later */ + /* Down to save the power. */ + min_mask = + PMURES_BIT(RES4329_CBUCK_LPOM) | + PMURES_BIT(RES4329_CLDO_PU); + /* Allow (but don't require) PLL to turn on */ + max_mask = 0x3ff63e; + break; + case BCM4319_CHIP_ID: + /* We only need a few resources to be kept on all the time */ + min_mask = PMURES_BIT(RES4319_CBUCK_LPOM) | + PMURES_BIT(RES4319_CLDO_PU); + + /* Allow everything else to be turned on upon requests */ + max_mask = ~(~0 << rsrcs); + break; + case BCM4336_CHIP_ID: + /* Down to save the power. */ + min_mask = + PMURES_BIT(RES4336_CBUCK_LPOM) | PMURES_BIT(RES4336_CLDO_PU) + | PMURES_BIT(RES4336_LDO3P3_PU) | PMURES_BIT(RES4336_OTP_PU) + | PMURES_BIT(RES4336_DIS_INT_RESET_PD); + /* Allow (but don't require) PLL to turn on */ + max_mask = 0x1ffffff; + break; + + case BCM4330_CHIP_ID: + /* Down to save the power. */ + min_mask = + PMURES_BIT(RES4330_CBUCK_LPOM) | PMURES_BIT(RES4330_CLDO_PU) + | PMURES_BIT(RES4330_DIS_INT_RESET_PD) | + PMURES_BIT(RES4330_LDO3P3_PU) | PMURES_BIT(RES4330_OTP_PU); + /* Allow (but don't require) PLL to turn on */ + max_mask = 0xfffffff; + break; + + case BCM4313_CHIP_ID: + min_mask = PMURES_BIT(RES4313_BB_PU_RSRC) | + PMURES_BIT(RES4313_XTAL_PU_RSRC) | + PMURES_BIT(RES4313_ALP_AVAIL_RSRC) | + PMURES_BIT(RES4313_BB_PLL_PWRSW_RSRC); + max_mask = 0xffff; + break; + default: + break; + } + + /* Apply nvram override to min mask */ + val = getvar(NULL, "rmin"); + if (val != NULL) { + min_mask = (u32) simple_strtoul(val, NULL, 0); + } + /* Apply nvram override to max mask */ + val = getvar(NULL, "rmax"); + if (val != NULL) { + max_mask = (u32) simple_strtoul(val, NULL, 0); + } + + *pmin = min_mask; + *pmax = max_mask; +} + +/* Return up time in ILP cycles for the given resource. */ +static uint +si_pmu_res_uptime(si_t *sih, chipcregs_t *cc, u8 rsrc) { + u32 deps; + uint up, i, dup, dmax; + u32 min_mask = 0, max_mask = 0; + + /* uptime of resource 'rsrc' */ + W_REG(&cc->res_table_sel, rsrc); + up = (R_REG(&cc->res_updn_timer) >> 8) & 0xff; + + /* direct dependancies of resource 'rsrc' */ + deps = si_pmu_res_deps(sih, cc, PMURES_BIT(rsrc), false); + for (i = 0; i <= PMURES_MAX_RESNUM; i++) { + if (!(deps & PMURES_BIT(i))) + continue; + deps &= ~si_pmu_res_deps(sih, cc, PMURES_BIT(i), true); + } + si_pmu_res_masks(sih, &min_mask, &max_mask); + deps &= ~min_mask; + + /* max uptime of direct dependancies */ + dmax = 0; + for (i = 0; i <= PMURES_MAX_RESNUM; i++) { + if (!(deps & PMURES_BIT(i))) + continue; + dup = si_pmu_res_uptime(sih, cc, (u8) i); + if (dmax < dup) + dmax = dup; + } + + return up + dmax + PMURES_UP_TRANSITION; +} + +static void +si_pmu_spuravoid_pllupdate(si_t *sih, chipcregs_t *cc, u8 spuravoid) +{ + u32 tmp = 0; + u8 phypll_offset = 0; + u8 bcm5357_bcm43236_p1div[] = { 0x1, 0x5, 0x5 }; + u8 bcm5357_bcm43236_ndiv[] = { 0x30, 0xf6, 0xfc }; + + switch (sih->chip) { + case BCM5357_CHIP_ID: + case BCM43235_CHIP_ID: + case BCM43236_CHIP_ID: + case BCM43238_CHIP_ID: + + /* + * BCM5357 needs to touch PLL1_PLLCTL[02], + * so offset PLL0_PLLCTL[02] by 6 + */ + phypll_offset = (sih->chip == BCM5357_CHIP_ID) ? 6 : 0; + + /* RMW only the P1 divider */ + W_REG(&cc->pllcontrol_addr, + PMU1_PLL0_PLLCTL0 + phypll_offset); + tmp = R_REG(&cc->pllcontrol_data); + tmp &= (~(PMU1_PLL0_PC0_P1DIV_MASK)); + tmp |= + (bcm5357_bcm43236_p1div[spuravoid] << + PMU1_PLL0_PC0_P1DIV_SHIFT); + W_REG(&cc->pllcontrol_data, tmp); + + /* RMW only the int feedback divider */ + W_REG(&cc->pllcontrol_addr, + PMU1_PLL0_PLLCTL2 + phypll_offset); + tmp = R_REG(&cc->pllcontrol_data); + tmp &= ~(PMU1_PLL0_PC2_NDIV_INT_MASK); + tmp |= + (bcm5357_bcm43236_ndiv[spuravoid]) << + PMU1_PLL0_PC2_NDIV_INT_SHIFT; + W_REG(&cc->pllcontrol_data, tmp); + + tmp = 1 << 10; + break; + + case BCM4331_CHIP_ID: + if (spuravoid == 2) { + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + W_REG(&cc->pllcontrol_data, 0x11500014); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x0FC00a08); + } else if (spuravoid == 1) { + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + W_REG(&cc->pllcontrol_data, 0x11500014); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x0F600a08); + } else { + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + W_REG(&cc->pllcontrol_data, 0x11100014); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x03000a08); + } + tmp = 1 << 10; + break; + + case BCM43224_CHIP_ID: + case BCM43225_CHIP_ID: + case BCM43421_CHIP_ID: + case BCM6362_CHIP_ID: + if (spuravoid == 1) { + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + W_REG(&cc->pllcontrol_data, 0x11500010); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1); + W_REG(&cc->pllcontrol_data, 0x000C0C06); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x0F600a08); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3); + W_REG(&cc->pllcontrol_data, 0x00000000); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4); + W_REG(&cc->pllcontrol_data, 0x2001E920); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5); + W_REG(&cc->pllcontrol_data, 0x88888815); + } else { + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + W_REG(&cc->pllcontrol_data, 0x11100010); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1); + W_REG(&cc->pllcontrol_data, 0x000c0c06); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x03000a08); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3); + W_REG(&cc->pllcontrol_data, 0x00000000); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4); + W_REG(&cc->pllcontrol_data, 0x200005c0); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5); + W_REG(&cc->pllcontrol_data, 0x88888815); + } + tmp = 1 << 10; + break; + + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + W_REG(&cc->pllcontrol_data, 0x11100008); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1); + W_REG(&cc->pllcontrol_data, 0x0c000c06); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x03000a08); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3); + W_REG(&cc->pllcontrol_data, 0x00000000); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4); + W_REG(&cc->pllcontrol_data, 0x200005c0); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5); + W_REG(&cc->pllcontrol_data, 0x88888855); + + tmp = 1 << 10; + break; + + case BCM4716_CHIP_ID: + case BCM4748_CHIP_ID: + case BCM47162_CHIP_ID: + if (spuravoid == 1) { + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + W_REG(&cc->pllcontrol_data, 0x11500060); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1); + W_REG(&cc->pllcontrol_data, 0x080C0C06); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x0F600000); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3); + W_REG(&cc->pllcontrol_data, 0x00000000); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4); + W_REG(&cc->pllcontrol_data, 0x2001E924); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5); + W_REG(&cc->pllcontrol_data, 0x88888815); + } else { + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + W_REG(&cc->pllcontrol_data, 0x11100060); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1); + W_REG(&cc->pllcontrol_data, 0x080c0c06); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x03000000); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3); + W_REG(&cc->pllcontrol_data, 0x00000000); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4); + W_REG(&cc->pllcontrol_data, 0x200005c0); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5); + W_REG(&cc->pllcontrol_data, 0x88888815); + } + + tmp = 3 << 9; + break; + + case BCM4319_CHIP_ID: + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + W_REG(&cc->pllcontrol_data, 0x11100070); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1); + W_REG(&cc->pllcontrol_data, 0x1014140a); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5); + W_REG(&cc->pllcontrol_data, 0x88888854); + + if (spuravoid == 1) { + /* spur_avoid ON, so enable 41/82/164Mhz clock mode */ + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x05201828); + } else { + /* enable 40/80/160Mhz clock mode */ + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x05001828); + } + break; + case BCM4336_CHIP_ID: + /* Looks like these are only for default xtal freq 26MHz */ + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + W_REG(&cc->pllcontrol_data, 0x02100020); + + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1); + W_REG(&cc->pllcontrol_data, 0x0C0C0C0C); + + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + W_REG(&cc->pllcontrol_data, 0x01240C0C); + + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4); + W_REG(&cc->pllcontrol_data, 0x202C2820); + + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5); + W_REG(&cc->pllcontrol_data, 0x88888825); + + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3); + if (spuravoid == 1) + W_REG(&cc->pllcontrol_data, 0x00EC4EC4); + else + W_REG(&cc->pllcontrol_data, 0x00762762); + + tmp = PCTL_PLL_PLLCTL_UPD; + break; + + default: + /* bail out */ + return; + } + + tmp |= R_REG(&cc->pmucontrol); + W_REG(&cc->pmucontrol, tmp); +} + +/* select default xtal frequency for each chip */ +static const pmu1_xtaltab0_t *si_pmu1_xtaldef0(si_t *sih) +{ + switch (sih->chip) { + case BCM4329_CHIP_ID: + /* Default to 38400Khz */ + return &pmu1_xtaltab0_880_4329[PMU1_XTALTAB0_880_38400K]; + case BCM4319_CHIP_ID: + /* Default to 30000Khz */ + return &pmu1_xtaltab0_1440[PMU1_XTALTAB0_1440_30000K]; + case BCM4336_CHIP_ID: + /* Default to 26000Khz */ + return &pmu1_xtaltab0_960[PMU1_XTALTAB0_960_26000K]; + case BCM4330_CHIP_ID: + /* Default to 37400Khz */ + if (CST4330_CHIPMODE_SDIOD(sih->chipst)) + return &pmu1_xtaltab0_960[PMU1_XTALTAB0_960_37400K]; + else + return &pmu1_xtaltab0_1440[PMU1_XTALTAB0_1440_37400K]; + default: + break; + } + return NULL; +} + +/* select xtal table for each chip */ +static const pmu1_xtaltab0_t *si_pmu1_xtaltab0(si_t *sih) +{ + switch (sih->chip) { + case BCM4329_CHIP_ID: + return pmu1_xtaltab0_880_4329; + case BCM4319_CHIP_ID: + return pmu1_xtaltab0_1440; + case BCM4336_CHIP_ID: + return pmu1_xtaltab0_960; + case BCM4330_CHIP_ID: + if (CST4330_CHIPMODE_SDIOD(sih->chipst)) + return pmu1_xtaltab0_960; + else + return pmu1_xtaltab0_1440; + default: + break; + } + return NULL; +} + +/* query alp/xtal clock frequency */ +static u32 +si_pmu1_alpclk0(si_t *sih, chipcregs_t *cc) +{ + const pmu1_xtaltab0_t *xt; + u32 xf; + + /* Find the frequency in the table */ + xf = (R_REG(&cc->pmucontrol) & PCTL_XTALFREQ_MASK) >> + PCTL_XTALFREQ_SHIFT; + for (xt = si_pmu1_xtaltab0(sih); xt != NULL && xt->fref != 0; xt++) + if (xt->xf == xf) + break; + /* Could not find it so assign a default value */ + if (xt == NULL || xt->fref == 0) + xt = si_pmu1_xtaldef0(sih); + return xt->fref * 1000; +} + +/* select default pll fvco for each chip */ +static u32 si_pmu1_pllfvco0(si_t *sih) +{ + switch (sih->chip) { + case BCM4329_CHIP_ID: + return FVCO_880; + case BCM4319_CHIP_ID: + return FVCO_1440; + case BCM4336_CHIP_ID: + return FVCO_960; + case BCM4330_CHIP_ID: + if (CST4330_CHIPMODE_SDIOD(sih->chipst)) + return FVCO_960; + else + return FVCO_1440; + default: + break; + } + return 0; +} + +static void si_pmu_set_4330_plldivs(si_t *sih) +{ + u32 FVCO = si_pmu1_pllfvco0(sih) / 1000; + u32 m1div, m2div, m3div, m4div, m5div, m6div; + u32 pllc1, pllc2; + + m2div = m3div = m4div = m6div = FVCO / 80; + m5div = FVCO / 160; + + if (CST4330_CHIPMODE_SDIOD(sih->chipst)) + m1div = FVCO / 80; + else + m1div = FVCO / 90; + pllc1 = + (m1div << PMU1_PLL0_PC1_M1DIV_SHIFT) | (m2div << + PMU1_PLL0_PC1_M2DIV_SHIFT) | + (m3div << PMU1_PLL0_PC1_M3DIV_SHIFT) | (m4div << + PMU1_PLL0_PC1_M4DIV_SHIFT); + si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL1, ~0, pllc1); + + pllc2 = si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL1, 0, 0); + pllc2 &= ~(PMU1_PLL0_PC2_M5DIV_MASK | PMU1_PLL0_PC2_M6DIV_MASK); + pllc2 |= + ((m5div << PMU1_PLL0_PC2_M5DIV_SHIFT) | + (m6div << PMU1_PLL0_PC2_M6DIV_SHIFT)); + si_pmu_pllcontrol(sih, PMU1_PLL0_PLLCTL2, ~0, pllc2); +} + +/* Set up PLL registers in the PMU as per the crystal speed. + * XtalFreq field in pmucontrol register being 0 indicates the PLL + * is not programmed and the h/w default is assumed to work, in which + * case the xtal frequency is unknown to the s/w so we need to call + * si_pmu1_xtaldef0() wherever it is needed to return a default value. + */ +static void si_pmu1_pllinit0(si_t *sih, chipcregs_t *cc, u32 xtal) +{ + const pmu1_xtaltab0_t *xt; + u32 tmp; + u32 buf_strength = 0; + u8 ndiv_mode = 1; + + /* Use h/w default PLL config */ + if (xtal == 0) { + return; + } + + /* Find the frequency in the table */ + for (xt = si_pmu1_xtaltab0(sih); xt != NULL && xt->fref != 0; xt++) + if (xt->fref == xtal) + break; + + /* Check current PLL state, bail out if it has been programmed or + * we don't know how to program it. + */ + if (xt == NULL || xt->fref == 0) { + return; + } + /* for 4319 bootloader already programs the PLL but bootloader does not + * program the PLL4 and PLL5. So Skip this check for 4319 + */ + if ((((R_REG(&cc->pmucontrol) & PCTL_XTALFREQ_MASK) >> + PCTL_XTALFREQ_SHIFT) == xt->xf) && + !((sih->chip == BCM4319_CHIP_ID) + || (sih->chip == BCM4330_CHIP_ID))) + return; + + switch (sih->chip) { + case BCM4329_CHIP_ID: + /* Change the BBPLL drive strength to 8 for all channels */ + buf_strength = 0x888888; + AND_REG(&cc->min_res_mask, + ~(PMURES_BIT(RES4329_BBPLL_PWRSW_PU) | + PMURES_BIT(RES4329_HT_AVAIL))); + AND_REG(&cc->max_res_mask, + ~(PMURES_BIT(RES4329_BBPLL_PWRSW_PU) | + PMURES_BIT(RES4329_HT_AVAIL))); + SPINWAIT(R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL, + PMU_MAX_TRANSITION_DLY); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4); + if (xt->fref == 38400) + tmp = 0x200024C0; + else if (xt->fref == 37400) + tmp = 0x20004500; + else if (xt->fref == 26000) + tmp = 0x200024C0; + else + tmp = 0x200005C0; /* Chip Dflt Settings */ + W_REG(&cc->pllcontrol_data, tmp); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5); + tmp = + R_REG(&cc->pllcontrol_data) & PMU1_PLL0_PC5_CLK_DRV_MASK; + if ((xt->fref == 38400) || (xt->fref == 37400) + || (xt->fref == 26000)) + tmp |= 0x15; + else + tmp |= 0x25; /* Chip Dflt Settings */ + W_REG(&cc->pllcontrol_data, tmp); + break; + + case BCM4319_CHIP_ID: + /* Change the BBPLL drive strength to 2 for all channels */ + buf_strength = 0x222222; + + /* Make sure the PLL is off */ + /* WAR65104: Disable the HT_AVAIL resource first and then + * after a delay (more than downtime for HT_AVAIL) remove the + * BBPLL resource; backplane clock moves to ALP from HT. + */ + AND_REG(&cc->min_res_mask, + ~(PMURES_BIT(RES4319_HT_AVAIL))); + AND_REG(&cc->max_res_mask, + ~(PMURES_BIT(RES4319_HT_AVAIL))); + + udelay(100); + AND_REG(&cc->min_res_mask, + ~(PMURES_BIT(RES4319_BBPLL_PWRSW_PU))); + AND_REG(&cc->max_res_mask, + ~(PMURES_BIT(RES4319_BBPLL_PWRSW_PU))); + + udelay(100); + SPINWAIT(R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL, + PMU_MAX_TRANSITION_DLY); + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL4); + tmp = 0x200005c0; + W_REG(&cc->pllcontrol_data, tmp); + break; + + case BCM4336_CHIP_ID: + AND_REG(&cc->min_res_mask, + ~(PMURES_BIT(RES4336_HT_AVAIL) | + PMURES_BIT(RES4336_MACPHY_CLKAVAIL))); + AND_REG(&cc->max_res_mask, + ~(PMURES_BIT(RES4336_HT_AVAIL) | + PMURES_BIT(RES4336_MACPHY_CLKAVAIL))); + udelay(100); + SPINWAIT(R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL, + PMU_MAX_TRANSITION_DLY); + break; + + case BCM4330_CHIP_ID: + AND_REG(&cc->min_res_mask, + ~(PMURES_BIT(RES4330_HT_AVAIL) | + PMURES_BIT(RES4330_MACPHY_CLKAVAIL))); + AND_REG(&cc->max_res_mask, + ~(PMURES_BIT(RES4330_HT_AVAIL) | + PMURES_BIT(RES4330_MACPHY_CLKAVAIL))); + udelay(100); + SPINWAIT(R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL, + PMU_MAX_TRANSITION_DLY); + break; + + default: + break; + } + + /* Write p1div and p2div to pllcontrol[0] */ + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL0); + tmp = R_REG(&cc->pllcontrol_data) & + ~(PMU1_PLL0_PC0_P1DIV_MASK | PMU1_PLL0_PC0_P2DIV_MASK); + tmp |= + ((xt-> + p1div << PMU1_PLL0_PC0_P1DIV_SHIFT) & PMU1_PLL0_PC0_P1DIV_MASK) | + ((xt-> + p2div << PMU1_PLL0_PC0_P2DIV_SHIFT) & PMU1_PLL0_PC0_P2DIV_MASK); + W_REG(&cc->pllcontrol_data, tmp); + + if ((sih->chip == BCM4330_CHIP_ID)) + si_pmu_set_4330_plldivs(sih); + + if ((sih->chip == BCM4329_CHIP_ID) + && (sih->chiprev == 0)) { + + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL1); + tmp = R_REG(&cc->pllcontrol_data); + tmp = tmp & (~DOT11MAC_880MHZ_CLK_DIVISOR_MASK); + tmp = tmp | DOT11MAC_880MHZ_CLK_DIVISOR_VAL; + W_REG(&cc->pllcontrol_data, tmp); + } + if ((sih->chip == BCM4319_CHIP_ID) || + (sih->chip == BCM4336_CHIP_ID) || + (sih->chip == BCM4330_CHIP_ID)) + ndiv_mode = PMU1_PLL0_PC2_NDIV_MODE_MFB; + else + ndiv_mode = PMU1_PLL0_PC2_NDIV_MODE_MASH; + + /* Write ndiv_int and ndiv_mode to pllcontrol[2] */ + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL2); + tmp = R_REG(&cc->pllcontrol_data) & + ~(PMU1_PLL0_PC2_NDIV_INT_MASK | PMU1_PLL0_PC2_NDIV_MODE_MASK); + tmp |= + ((xt-> + ndiv_int << PMU1_PLL0_PC2_NDIV_INT_SHIFT) & + PMU1_PLL0_PC2_NDIV_INT_MASK) | ((ndiv_mode << + PMU1_PLL0_PC2_NDIV_MODE_SHIFT) & + PMU1_PLL0_PC2_NDIV_MODE_MASK); + W_REG(&cc->pllcontrol_data, tmp); + + /* Write ndiv_frac to pllcontrol[3] */ + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL3); + tmp = R_REG(&cc->pllcontrol_data) & ~PMU1_PLL0_PC3_NDIV_FRAC_MASK; + tmp |= ((xt->ndiv_frac << PMU1_PLL0_PC3_NDIV_FRAC_SHIFT) & + PMU1_PLL0_PC3_NDIV_FRAC_MASK); + W_REG(&cc->pllcontrol_data, tmp); + + /* Write clock driving strength to pllcontrol[5] */ + if (buf_strength) { + W_REG(&cc->pllcontrol_addr, PMU1_PLL0_PLLCTL5); + tmp = + R_REG(&cc->pllcontrol_data) & ~PMU1_PLL0_PC5_CLK_DRV_MASK; + tmp |= (buf_strength << PMU1_PLL0_PC5_CLK_DRV_SHIFT); + W_REG(&cc->pllcontrol_data, tmp); + } + + /* to operate the 4319 usb in 24MHz/48MHz; chipcontrol[2][84:83] needs + * to be updated. + */ + if ((sih->chip == BCM4319_CHIP_ID) + && (xt->fref != XTAL_FREQ_30000MHZ)) { + W_REG(&cc->chipcontrol_addr, PMU1_PLL0_CHIPCTL2); + tmp = + R_REG(&cc->chipcontrol_data) & ~CCTL_4319USB_XTAL_SEL_MASK; + if (xt->fref == XTAL_FREQ_24000MHZ) { + tmp |= + (CCTL_4319USB_24MHZ_PLL_SEL << + CCTL_4319USB_XTAL_SEL_SHIFT); + } else if (xt->fref == XTAL_FREQ_48000MHZ) { + tmp |= + (CCTL_4319USB_48MHZ_PLL_SEL << + CCTL_4319USB_XTAL_SEL_SHIFT); + } + W_REG(&cc->chipcontrol_data, tmp); + } + + /* Flush deferred pll control registers writes */ + if (sih->pmurev >= 2) + OR_REG(&cc->pmucontrol, PCTL_PLL_PLLCTL_UPD); + + /* Write XtalFreq. Set the divisor also. */ + tmp = R_REG(&cc->pmucontrol) & + ~(PCTL_ILP_DIV_MASK | PCTL_XTALFREQ_MASK); + tmp |= (((((xt->fref + 127) / 128) - 1) << PCTL_ILP_DIV_SHIFT) & + PCTL_ILP_DIV_MASK) | + ((xt->xf << PCTL_XTALFREQ_SHIFT) & PCTL_XTALFREQ_MASK); + + if ((sih->chip == BCM4329_CHIP_ID) + && sih->chiprev == 0) { + /* clear the htstretch before clearing HTReqEn */ + AND_REG(&cc->clkstretch, ~CSTRETCH_HT); + tmp &= ~PCTL_HT_REQ_EN; + } + + W_REG(&cc->pmucontrol, tmp); +} + +u32 si_pmu_ilp_clock(si_t *sih) +{ + static u32 ilpcycles_per_sec; + + if (ISSIM_ENAB(sih) || !PMUCTL_ENAB(sih)) + return ILP_CLOCK; + + if (ilpcycles_per_sec == 0) { + u32 start, end, delta; + u32 origidx = ai_coreidx(sih); + chipcregs_t *cc = ai_setcoreidx(sih, SI_CC_IDX); + start = R_REG(&cc->pmutimer); + mdelay(ILP_CALC_DUR); + end = R_REG(&cc->pmutimer); + delta = end - start; + ilpcycles_per_sec = delta * (1000 / ILP_CALC_DUR); + ai_setcoreidx(sih, origidx); + } + + return ilpcycles_per_sec; +} + +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; + u8 addr = 0; + + switch (sih->chip) { + case BCM4336_CHIP_ID: + switch (ldo) { + case SET_LDO_VOLTAGE_CLDO_PWM: + addr = 4; + rc_shift = 1; + mask = 0xf; + break; + case SET_LDO_VOLTAGE_CLDO_BURST: + addr = 4; + rc_shift = 5; + mask = 0xf; + break; + case SET_LDO_VOLTAGE_LNLDO1: + addr = 4; + rc_shift = 17; + mask = 0xf; + break; + default: + return; + } + break; + case BCM4330_CHIP_ID: + switch (ldo) { + case SET_LDO_VOLTAGE_CBUCK_PWM: + addr = 3; + rc_shift = 0; + mask = 0x1f; + break; + default: + return; + } + break; + default: + return; + } + + shift = sr_cntl_shift + rc_shift; + + ai_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_addr), + ~0, addr); + ai_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_data), + mask << shift, (voltage & mask) << shift); +} + +u16 si_pmu_fast_pwrup_delay(si_t *sih) +{ + uint delay = PMU_MAX_TRANSITION_DLY; + chipcregs_t *cc; + uint origidx; +#ifdef BCMDBG + char chn[8]; + chn[0] = 0; /* to suppress compile error */ +#endif + + /* Remember original core before switch to chipc */ + origidx = ai_coreidx(sih); + cc = ai_setcoreidx(sih, SI_CC_IDX); + + switch (sih->chip) { + case BCM43224_CHIP_ID: + case BCM43225_CHIP_ID: + case BCM43421_CHIP_ID: + case BCM43235_CHIP_ID: + case BCM43236_CHIP_ID: + case BCM43238_CHIP_ID: + case BCM4331_CHIP_ID: + case BCM6362_CHIP_ID: + case BCM4313_CHIP_ID: + delay = ISSIM_ENAB(sih) ? 70 : 3700; + break; + case BCM4329_CHIP_ID: + if (ISSIM_ENAB(sih)) + delay = 70; + else { + u32 ilp = si_pmu_ilp_clock(sih); + delay = + (si_pmu_res_uptime(sih, cc, RES4329_HT_AVAIL) + + D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp - + 1) / ilp); + delay = (11 * delay) / 10; + } + break; + case BCM4319_CHIP_ID: + delay = ISSIM_ENAB(sih) ? 70 : 3700; + break; + case BCM4336_CHIP_ID: + if (ISSIM_ENAB(sih)) + delay = 70; + else { + u32 ilp = si_pmu_ilp_clock(sih); + delay = + (si_pmu_res_uptime(sih, cc, RES4336_HT_AVAIL) + + D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp - + 1) / ilp); + delay = (11 * delay) / 10; + } + break; + case BCM4330_CHIP_ID: + if (ISSIM_ENAB(sih)) + delay = 70; + else { + u32 ilp = si_pmu_ilp_clock(sih); + delay = + (si_pmu_res_uptime(sih, cc, RES4330_HT_AVAIL) + + D11SCC_SLOW2FAST_TRANSITION) * ((1000000 + ilp - + 1) / ilp); + delay = (11 * delay) / 10; + } + break; + default: + break; + } + /* Return to original core */ + ai_setcoreidx(sih, origidx); + + return (u16) delay; +} + +void si_pmu_sprom_enable(si_t *sih, bool enable) +{ + chipcregs_t *cc; + uint origidx; + + /* Remember original core before switch to chipc */ + origidx = ai_coreidx(sih); + cc = ai_setcoreidx(sih, SI_CC_IDX); + + /* Return to original core */ + ai_setcoreidx(sih, origidx); +} + +/* Read/write a chipcontrol reg */ +u32 si_pmu_chipcontrol(si_t *sih, uint reg, u32 mask, u32 val) +{ + ai_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, chipcontrol_addr), ~0, + reg); + return ai_corereg(sih, SI_CC_IDX, + offsetof(chipcregs_t, chipcontrol_data), mask, val); +} + +/* Read/write a regcontrol reg */ +u32 si_pmu_regcontrol(si_t *sih, uint reg, u32 mask, u32 val) +{ + ai_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_addr), ~0, + reg); + return ai_corereg(sih, SI_CC_IDX, + offsetof(chipcregs_t, regcontrol_data), mask, val); +} + +/* Read/write a pllcontrol reg */ +u32 si_pmu_pllcontrol(si_t *sih, uint reg, u32 mask, u32 val) +{ + ai_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pllcontrol_addr), ~0, + reg); + return ai_corereg(sih, SI_CC_IDX, + offsetof(chipcregs_t, pllcontrol_data), mask, val); +} + +/* PMU PLL update */ +void si_pmu_pllupd(si_t *sih) +{ + ai_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pmucontrol), + PCTL_PLL_PLLCTL_UPD, PCTL_PLL_PLLCTL_UPD); +} + +/* query alp/xtal clock frequency */ +u32 si_pmu_alp_clock(si_t *sih) +{ + chipcregs_t *cc; + uint origidx; + u32 clock = ALP_CLOCK; + + /* bail out with default */ + if (!PMUCTL_ENAB(sih)) + return clock; + + /* Remember original core before switch to chipc */ + origidx = ai_coreidx(sih); + cc = ai_setcoreidx(sih, SI_CC_IDX); + + switch (sih->chip) { + case BCM43224_CHIP_ID: + case BCM43225_CHIP_ID: + case BCM43421_CHIP_ID: + case BCM43235_CHIP_ID: + case BCM43236_CHIP_ID: + case BCM43238_CHIP_ID: + case BCM4331_CHIP_ID: + case BCM6362_CHIP_ID: + case BCM4716_CHIP_ID: + case BCM4748_CHIP_ID: + case BCM47162_CHIP_ID: + case BCM4313_CHIP_ID: + case BCM5357_CHIP_ID: + /* always 20Mhz */ + clock = 20000 * 1000; + break; + case BCM4329_CHIP_ID: + case BCM4319_CHIP_ID: + case BCM4336_CHIP_ID: + case BCM4330_CHIP_ID: + + clock = si_pmu1_alpclk0(sih, cc); + break; + case BCM5356_CHIP_ID: + /* always 25Mhz */ + clock = 25000 * 1000; + break; + default: + break; + } + + /* Return to original core */ + ai_setcoreidx(sih, origidx); + return clock; +} + +void si_pmu_spuravoid(si_t *sih, u8 spuravoid) +{ + chipcregs_t *cc; + uint origidx, intr_val; + u32 tmp = 0; + + /* Remember original core before switch to chipc */ + cc = (chipcregs_t *) ai_switch_core(sih, CC_CORE_ID, &origidx, + &intr_val); + + /* force the HT off */ + if (sih->chip == BCM4336_CHIP_ID) { + tmp = R_REG(&cc->max_res_mask); + tmp &= ~RES4336_HT_AVAIL; + W_REG(&cc->max_res_mask, tmp); + /* wait for the ht to really go away */ + SPINWAIT(((R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL) == 0), + 10000); + } + + /* update the pll changes */ + si_pmu_spuravoid_pllupdate(sih, cc, spuravoid); + + /* enable HT back on */ + if (sih->chip == BCM4336_CHIP_ID) { + tmp = R_REG(&cc->max_res_mask); + tmp |= RES4336_HT_AVAIL; + W_REG(&cc->max_res_mask, tmp); + } + + /* Return to original core */ + ai_restore_core(sih, origidx, intr_val); +} + +/* initialize PMU */ +void si_pmu_init(si_t *sih) +{ + chipcregs_t *cc; + uint origidx; + + /* Remember original core before switch to chipc */ + origidx = ai_coreidx(sih); + cc = ai_setcoreidx(sih, SI_CC_IDX); + + if (sih->pmurev == 1) + AND_REG(&cc->pmucontrol, ~PCTL_NOILP_ON_WAIT); + else if (sih->pmurev >= 2) + OR_REG(&cc->pmucontrol, PCTL_NOILP_ON_WAIT); + + if ((sih->chip == BCM4329_CHIP_ID) && (sih->chiprev == 2)) { + /* Fix for 4329b0 bad LPOM state. */ + W_REG(&cc->regcontrol_addr, 2); + OR_REG(&cc->regcontrol_data, 0x100); + + W_REG(&cc->regcontrol_addr, 3); + OR_REG(&cc->regcontrol_data, 0x4); + } + + /* Return to original core */ + ai_setcoreidx(sih, origidx); +} + +/* initialize PMU chip controls and other chip level stuff */ +void si_pmu_chip_init(si_t *sih) +{ + uint origidx; + + /* Gate off SPROM clock and chip select signals */ + si_pmu_sprom_enable(sih, false); + + /* Remember original core */ + origidx = ai_coreidx(sih); + + /* Return to original core */ + ai_setcoreidx(sih, origidx); +} + +/* initialize PMU switch/regulators */ +void si_pmu_swreg_init(si_t *sih) +{ + switch (sih->chip) { + case BCM4336_CHIP_ID: + /* Reduce CLDO PWM output voltage to 1.2V */ + si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_CLDO_PWM, 0xe); + /* Reduce CLDO BURST output voltage to 1.2V */ + si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_CLDO_BURST, + 0xe); + /* Reduce LNLDO1 output voltage to 1.2V */ + si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_LNLDO1, 0xe); + if (sih->chiprev == 0) + si_pmu_regcontrol(sih, 2, 0x400000, 0x400000); + break; + + case BCM4330_CHIP_ID: + /* CBUCK Voltage is 1.8 by default and set that to 1.5 */ + si_pmu_set_ldo_voltage(sih, SET_LDO_VOLTAGE_CBUCK_PWM, 0); + break; + default: + break; + } +} + +/* initialize PLL */ +void si_pmu_pll_init(si_t *sih, uint xtalfreq) +{ + chipcregs_t *cc; + uint origidx; + + /* Remember original core before switch to chipc */ + origidx = ai_coreidx(sih); + cc = ai_setcoreidx(sih, SI_CC_IDX); + + switch (sih->chip) { + case BCM4329_CHIP_ID: + if (xtalfreq == 0) + xtalfreq = 38400; + si_pmu1_pllinit0(sih, cc, xtalfreq); + break; + case BCM4313_CHIP_ID: + case BCM43224_CHIP_ID: + case BCM43225_CHIP_ID: + case BCM43421_CHIP_ID: + case BCM43235_CHIP_ID: + case BCM43236_CHIP_ID: + case BCM43238_CHIP_ID: + case BCM4331_CHIP_ID: + case BCM6362_CHIP_ID: + /* ??? */ + break; + case BCM4319_CHIP_ID: + case BCM4336_CHIP_ID: + case BCM4330_CHIP_ID: + si_pmu1_pllinit0(sih, cc, xtalfreq); + break; + default: + break; + } + + /* Return to original core */ + ai_setcoreidx(sih, origidx); +} + +/* initialize PMU resources */ +void si_pmu_res_init(si_t *sih) +{ + chipcregs_t *cc; + uint origidx; + const pmu_res_updown_t *pmu_res_updown_table = NULL; + uint pmu_res_updown_table_sz = 0; + const pmu_res_depend_t *pmu_res_depend_table = NULL; + uint pmu_res_depend_table_sz = 0; + u32 min_mask = 0, max_mask = 0; + char name[8], *val; + uint i, rsrcs; + + /* Remember original core before switch to chipc */ + origidx = ai_coreidx(sih); + cc = ai_setcoreidx(sih, SI_CC_IDX); + + switch (sih->chip) { + case BCM4329_CHIP_ID: + /* Optimize resources up/down timers */ + if (ISSIM_ENAB(sih)) { + pmu_res_updown_table = NULL; + pmu_res_updown_table_sz = 0; + } else { + pmu_res_updown_table = bcm4329_res_updown; + pmu_res_updown_table_sz = + ARRAY_SIZE(bcm4329_res_updown); + } + /* Optimize resources dependencies */ + pmu_res_depend_table = bcm4329_res_depend; + pmu_res_depend_table_sz = ARRAY_SIZE(bcm4329_res_depend); + break; + + case BCM4319_CHIP_ID: + /* Optimize resources up/down timers */ + if (ISSIM_ENAB(sih)) { + pmu_res_updown_table = bcm4319a0_res_updown_qt; + pmu_res_updown_table_sz = + ARRAY_SIZE(bcm4319a0_res_updown_qt); + } else { + pmu_res_updown_table = bcm4319a0_res_updown; + pmu_res_updown_table_sz = + ARRAY_SIZE(bcm4319a0_res_updown); + } + /* Optimize resources dependancies masks */ + pmu_res_depend_table = bcm4319a0_res_depend; + pmu_res_depend_table_sz = ARRAY_SIZE(bcm4319a0_res_depend); + break; + + case BCM4336_CHIP_ID: + /* Optimize resources up/down timers */ + if (ISSIM_ENAB(sih)) { + pmu_res_updown_table = bcm4336a0_res_updown_qt; + pmu_res_updown_table_sz = + ARRAY_SIZE(bcm4336a0_res_updown_qt); + } else { + pmu_res_updown_table = bcm4336a0_res_updown; + pmu_res_updown_table_sz = + ARRAY_SIZE(bcm4336a0_res_updown); + } + /* Optimize resources dependancies masks */ + pmu_res_depend_table = bcm4336a0_res_depend; + pmu_res_depend_table_sz = ARRAY_SIZE(bcm4336a0_res_depend); + break; + + case BCM4330_CHIP_ID: + /* Optimize resources up/down timers */ + if (ISSIM_ENAB(sih)) { + pmu_res_updown_table = bcm4330a0_res_updown_qt; + pmu_res_updown_table_sz = + ARRAY_SIZE(bcm4330a0_res_updown_qt); + } else { + pmu_res_updown_table = bcm4330a0_res_updown; + pmu_res_updown_table_sz = + ARRAY_SIZE(bcm4330a0_res_updown); + } + /* Optimize resources dependancies masks */ + pmu_res_depend_table = bcm4330a0_res_depend; + pmu_res_depend_table_sz = ARRAY_SIZE(bcm4330a0_res_depend); + break; + + default: + break; + } + + /* # resources */ + rsrcs = (sih->pmucaps & PCAP_RC_MASK) >> PCAP_RC_SHIFT; + + /* Program up/down timers */ + while (pmu_res_updown_table_sz--) { + W_REG(&cc->res_table_sel, + pmu_res_updown_table[pmu_res_updown_table_sz].resnum); + W_REG(&cc->res_updn_timer, + pmu_res_updown_table[pmu_res_updown_table_sz].updown); + } + /* Apply nvram overrides to up/down timers */ + for (i = 0; i < rsrcs; i++) { + snprintf(name, sizeof(name), "r%dt", i); + val = getvar(NULL, name); + if (val == NULL) + continue; + W_REG(&cc->res_table_sel, (u32) i); + W_REG(&cc->res_updn_timer, + (u32) simple_strtoul(val, NULL, 0)); + } + + /* Program resource dependencies table */ + while (pmu_res_depend_table_sz--) { + if (pmu_res_depend_table[pmu_res_depend_table_sz].filter != NULL + && !(pmu_res_depend_table[pmu_res_depend_table_sz]. + filter) (sih)) + continue; + for (i = 0; i < rsrcs; i++) { + if ((pmu_res_depend_table[pmu_res_depend_table_sz]. + res_mask & PMURES_BIT(i)) == 0) + continue; + W_REG(&cc->res_table_sel, i); + switch (pmu_res_depend_table[pmu_res_depend_table_sz]. + action) { + case RES_DEPEND_SET: + W_REG(&cc->res_dep_mask, + pmu_res_depend_table + [pmu_res_depend_table_sz].depend_mask); + break; + case RES_DEPEND_ADD: + OR_REG(&cc->res_dep_mask, + pmu_res_depend_table + [pmu_res_depend_table_sz].depend_mask); + break; + case RES_DEPEND_REMOVE: + AND_REG(&cc->res_dep_mask, + ~pmu_res_depend_table + [pmu_res_depend_table_sz].depend_mask); + break; + default: + break; + } + } + } + /* Apply nvram overrides to dependancies masks */ + for (i = 0; i < rsrcs; i++) { + snprintf(name, sizeof(name), "r%dd", i); + val = getvar(NULL, name); + if (val == NULL) + continue; + W_REG(&cc->res_table_sel, (u32) i); + W_REG(&cc->res_dep_mask, + (u32) simple_strtoul(val, NULL, 0)); + } + + /* Determine min/max rsrc masks */ + si_pmu_res_masks(sih, &min_mask, &max_mask); + + /* It is required to program max_mask first and then min_mask */ + + /* Program max resource mask */ + + if (max_mask) + W_REG(&cc->max_res_mask, max_mask); + + /* Program min resource mask */ + + if (min_mask) + W_REG(&cc->min_res_mask, min_mask); + + /* Add some delay; allow resources to come up and settle. */ + mdelay(2); + + /* Return to original core */ + ai_setcoreidx(sih, origidx); +} + +u32 si_pmu_measure_alpclk(si_t *sih) +{ + chipcregs_t *cc; + uint origidx; + u32 alp_khz; + + if (sih->pmurev < 10) + return 0; + + /* Remember original core before switch to chipc */ + origidx = ai_coreidx(sih); + cc = ai_setcoreidx(sih, SI_CC_IDX); + + if (R_REG(&cc->pmustatus) & PST_EXTLPOAVAIL) { + u32 ilp_ctr, alp_hz; + + /* + * Enable the reg to measure the freq, + * in case it was disabled before + */ + W_REG(&cc->pmu_xtalfreq, + 1U << PMU_XTALFREQ_REG_MEASURE_SHIFT); + + /* Delay for well over 4 ILP clocks */ + udelay(1000); + + /* Read the latched number of ALP ticks per 4 ILP ticks */ + ilp_ctr = + R_REG(&cc->pmu_xtalfreq) & PMU_XTALFREQ_REG_ILPCTR_MASK; + + /* + * Turn off the PMU_XTALFREQ_REG_MEASURE_SHIFT + * bit to save power + */ + W_REG(&cc->pmu_xtalfreq, 0); + + /* Calculate ALP frequency */ + alp_hz = (ilp_ctr * EXT_ILP_HZ) / 4; + + /* + * Round to nearest 100KHz, and at + * the same time convert to KHz + */ + alp_khz = (alp_hz + 50000) / 100000 * 100; + } else + alp_khz = 0; + + /* Return to original core */ + ai_setcoreidx(sih, origidx); + + return alp_khz; +} + +bool si_pmu_is_otp_powered(si_t *sih) +{ + uint idx; + chipcregs_t *cc; + bool st; + + /* Remember original core before switch to chipc */ + idx = ai_coreidx(sih); + cc = ai_setcoreidx(sih, SI_CC_IDX); + + switch (sih->chip) { + case BCM4329_CHIP_ID: + st = (R_REG(&cc->res_state) & PMURES_BIT(RES4329_OTP_PU)) + != 0; + break; + case BCM4319_CHIP_ID: + st = (R_REG(&cc->res_state) & PMURES_BIT(RES4319_OTP_PU)) + != 0; + break; + case BCM4336_CHIP_ID: + st = (R_REG(&cc->res_state) & PMURES_BIT(RES4336_OTP_PU)) + != 0; + break; + case BCM4330_CHIP_ID: + st = (R_REG(&cc->res_state) & PMURES_BIT(RES4330_OTP_PU)) + != 0; + break; + + /* These chip doesn't use PMU bit to power up/down OTP. OTP always on. + * Use OTP_INIT command to reset/refresh state. + */ + case BCM43224_CHIP_ID: + case BCM43225_CHIP_ID: + case BCM43421_CHIP_ID: + case BCM43236_CHIP_ID: + case BCM43235_CHIP_ID: + case BCM43238_CHIP_ID: + st = true; + break; + default: + st = true; + break; + } + + /* Return to original core */ + ai_setcoreidx(sih, idx); + return st; +} + +/* power up/down OTP through PMU resources */ +void si_pmu_otp_power(si_t *sih, bool on) +{ + chipcregs_t *cc; + uint origidx; + u32 rsrcs = 0; /* rsrcs to turn on/off OTP power */ + + /* Don't do anything if OTP is disabled */ + if (ai_is_otp_disabled(sih)) + return; + + /* Remember original core before switch to chipc */ + origidx = ai_coreidx(sih); + cc = ai_setcoreidx(sih, SI_CC_IDX); + + switch (sih->chip) { + case BCM4329_CHIP_ID: + rsrcs = PMURES_BIT(RES4329_OTP_PU); + break; + case BCM4319_CHIP_ID: + rsrcs = PMURES_BIT(RES4319_OTP_PU); + break; + case BCM4336_CHIP_ID: + rsrcs = PMURES_BIT(RES4336_OTP_PU); + break; + case BCM4330_CHIP_ID: + rsrcs = PMURES_BIT(RES4330_OTP_PU); + break; + default: + break; + } + + if (rsrcs != 0) { + u32 otps; + + /* Figure out the dependancies (exclude min_res_mask) */ + u32 deps = si_pmu_res_deps(sih, cc, rsrcs, true); + u32 min_mask = 0, max_mask = 0; + si_pmu_res_masks(sih, &min_mask, &max_mask); + deps &= ~min_mask; + /* Turn on/off the power */ + if (on) { + OR_REG(&cc->min_res_mask, (rsrcs | deps)); + SPINWAIT(!(R_REG(&cc->res_state) & rsrcs), + PMU_MAX_TRANSITION_DLY); + } else { + AND_REG(&cc->min_res_mask, ~(rsrcs | deps)); + } + + SPINWAIT((((otps = R_REG(&cc->otpstatus)) & OTPS_READY) != + (on ? OTPS_READY : 0)), 100); + } + + /* Return to original core */ + ai_setcoreidx(sih, origidx); +} |