--- /dev/null
+/*
+ * 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 <asm/io.h>
+
+#include <bcmdevs.h>
+#include <sbchipc.h>
+#include <bcmutils.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
+
+/* 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, 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;
+ }
+ ASSERT(0);
+ 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;
+ }
+ ASSERT(0);
+ 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);
+ ASSERT(xt != NULL && xt->fref != 0);
+
+ 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;
+ }
+ ASSERT(0);
+ 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);
+ ASSERT(!(R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL));
+ 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);
+ ASSERT(!(R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL));
+ 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);
+ ASSERT(!(R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL));
+ 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);
+ ASSERT(!(R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL));
+ break;
+
+ default:
+ ASSERT(0);
+ }
+
+ /* 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 = 0;
+
+ if (ISSIM_ENAB(sih))
+ return ILP_CLOCK;
+
+ if (ilpcycles_per_sec == 0) {
+ u32 start, end, delta;
+ u32 origidx = si_coreidx(sih);
+ chipcregs_t *cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+ 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);
+ si_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;
+
+ ASSERT(sih->cccaps & CC_CAP_PMU);
+
+ 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:
+ ASSERT(false);
+ return;
+ }
+ break;
+ case BCM4330_CHIP_ID:
+ switch (ldo) {
+ case SET_LDO_VOLTAGE_CBUCK_PWM:
+ addr = 3;
+ rc_shift = 0;
+ mask = 0x1f;
+ break;
+ default:
+ ASSERT(false);
+ break;
+ }
+ break;
+ default:
+ ASSERT(false);
+ return;
+ }
+
+ shift = sr_cntl_shift + rc_shift;
+
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_addr),
+ ~0, addr);
+ si_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
+
+ ASSERT(sih->cccaps & CC_CAP_PMU);
+
+ /* Remember original core before switch to chipc */
+ origidx = si_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+
+ 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_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_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_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 */
+ si_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 = si_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+
+ /* Return to original core */
+ si_setcoreidx(sih, origidx);
+}
+
+/* Read/write a chipcontrol reg */
+u32 si_pmu_chipcontrol(si_t *sih, uint reg, u32 mask, u32 val)
+{
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, chipcontrol_addr), ~0,
+ reg);
+ return si_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)
+{
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, regcontrol_addr), ~0,
+ reg);
+ return si_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)
+{
+ si_corereg(sih, SI_CC_IDX, offsetof(chipcregs_t, pllcontrol_addr), ~0,
+ reg);
+ return si_corereg(sih, SI_CC_IDX,
+ offsetof(chipcregs_t, pllcontrol_data), mask, val);
+}
+
+/* PMU PLL update */
+void si_pmu_pllupd(si_t *sih)
+{
+ si_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;
+
+ ASSERT(sih->cccaps & CC_CAP_PMU);
+
+ /* Remember original core before switch to chipc */
+ origidx = si_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+
+ 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 */
+ si_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 *) si_switch_core(sih, CC_CORE_ID, &origidx,
+ &intr_val);
+ ASSERT(cc != NULL);
+
+ /* 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);
+ ASSERT((R_REG(&cc->clk_ctl_st) & CCS_HTAVAIL) == 0);
+ }
+
+ /* 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 */
+ si_restore_core(sih, origidx, intr_val);
+}
+
+/* initialize PMU */
+void si_pmu_init(si_t *sih)
+{
+ chipcregs_t *cc;
+ uint origidx;
+
+ ASSERT(sih->cccaps & CC_CAP_PMU);
+
+ /* Remember original core before switch to chipc */
+ origidx = si_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+
+ 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 */
+ si_setcoreidx(sih, origidx);
+}
+
+/* initialize PMU chip controls and other chip level stuff */
+void si_pmu_chip_init(si_t *sih)
+{
+ uint origidx;
+
+ ASSERT(sih->cccaps & CC_CAP_PMU);
+
+ /* Gate off SPROM clock and chip select signals */
+ si_pmu_sprom_enable(sih, false);
+
+ /* Remember original core */
+ origidx = si_coreidx(sih);
+
+ /* Return to original core */
+ si_setcoreidx(sih, origidx);
+}
+
+/* initialize PMU switch/regulators */
+void si_pmu_swreg_init(si_t *sih)
+{
+ ASSERT(sih->cccaps & CC_CAP_PMU);
+
+ 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;
+
+ ASSERT(sih->cccaps & CC_CAP_PMU);
+
+ /* Remember original core before switch to chipc */
+ origidx = si_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+
+ 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 */
+ si_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;
+
+ ASSERT(sih->cccaps & CC_CAP_PMU);
+
+ /* Remember original core before switch to chipc */
+ origidx = si_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+
+ 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--) {
+ ASSERT(pmu_res_updown_table != NULL);
+ 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--) {
+ ASSERT(pmu_res_depend_table != NULL);
+ 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:
+ ASSERT(0);
+ 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 */
+ si_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;
+
+ ASSERT(sih->cccaps & CC_CAP_PMU);
+
+ /* Remember original core before switch to chipc */
+ origidx = si_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+
+ if (R_REG(&cc->pmustatus) & PST_EXTLPOAVAIL) {
+ u32 ilp_ctr, alp_hz;
+
+ /* Enable the reg to measure the freq, in case 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 */
+ si_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 = si_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+
+ 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 */
+ si_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 */
+
+ ASSERT(sih->cccaps & CC_CAP_PMU);
+
+ /* Don't do anything if OTP is disabled */
+ if (si_is_otp_disabled(sih)) {
+ return;
+ }
+
+ /* Remember original core before switch to chipc */
+ origidx = si_coreidx(sih);
+ cc = si_setcoreidx(sih, SI_CC_IDX);
+ ASSERT(cc != NULL);
+
+ 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);
+ ASSERT(R_REG(&cc->res_state) & rsrcs);
+ } else {
+ AND_REG(&cc->min_res_mask, ~(rsrcs | deps));
+ }
+
+ SPINWAIT((((otps = R_REG(&cc->otpstatus)) & OTPS_READY) !=
+ (on ? OTPS_READY : 0)), 100);
+ ASSERT((otps & OTPS_READY) == (on ? OTPS_READY : 0));
+ }
+
+ /* Return to original core */
+ si_setcoreidx(sih, origidx);
+}
projects / kernel / kernel-generic.git / commitdiff