From: Michael Büsch Date: Sun, 1 Feb 2009 20:20:49 +0000 (+0000) Subject: bcm47xx: Implement the remaining PMU resource inits. X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=9494e946a9c46e20ea1f7ff53e2f7d5b23bed5fe;p=lede.git bcm47xx: Implement the remaining PMU resource inits. SVN-Revision: 14350 --- diff --git a/target/linux/brcm47xx/patches-2.6.28/810-ssb-add-pmu-support.patch b/target/linux/brcm47xx/patches-2.6.28/810-ssb-add-pmu-support.patch index aa5374892e..c5ee8f5c61 100644 --- a/target/linux/brcm47xx/patches-2.6.28/810-ssb-add-pmu-support.patch +++ b/target/linux/brcm47xx/patches-2.6.28/810-ssb-add-pmu-support.patch @@ -13,8 +13,8 @@ Index: linux-2.6.28.2/drivers/ssb/Makefile Index: linux-2.6.28.2/drivers/ssb/driver_chipcommon_pmu.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.28.2/drivers/ssb/driver_chipcommon_pmu.c 2009-02-01 19:51:46.000000000 +0100 -@@ -0,0 +1,259 @@ ++++ linux-2.6.28.2/drivers/ssb/driver_chipcommon_pmu.c 2009-02-01 21:16:15.000000000 +0100 +@@ -0,0 +1,378 @@ +/* + * Sonics Silicon Backplane + * Broadcom ChipCommon Power Management Unit driver @@ -89,7 +89,7 @@ Index: linux-2.6.28.2/drivers/ssb/driver_chipcommon_pmu.c + u32 crystalfreq) +{ + struct ssb_bus *bus = cc->dev->bus; -+ const struct pmu0_plltab_entry *e; ++ const struct pmu0_plltab_entry *e = NULL; + u32 pmuctl, tmp, pllctl; + unsigned int i; + @@ -97,7 +97,8 @@ Index: linux-2.6.28.2/drivers/ssb/driver_chipcommon_pmu.c + /* The 5354 crystal freq is 25MHz */ + crystalfreq = 25000; + } -+ e = pmu0_plltab_find_entry(crystalfreq); ++ if (crystalfreq) ++ e = pmu0_plltab_find_entry(crystalfreq); + if (!e) + e = pmu0_plltab_find_entry(SSB_PMU0_DEFAULT_XTALFREQ); + BUG_ON(!e); @@ -111,7 +112,7 @@ Index: linux-2.6.28.2/drivers/ssb/driver_chipcommon_pmu.c + return; + } + -+ ssb_printk(KERN_INFO PFX "Programming PLL to %u.%u MHz\n", ++ ssb_printk(KERN_INFO PFX "Programming PLL to %u.%03u MHz\n", + (crystalfreq / 1000), (crystalfreq % 1000)); + + /* First turn the PLL off. */ @@ -208,25 +209,113 @@ Index: linux-2.6.28.2/drivers/ssb/driver_chipcommon_pmu.c + } +} + ++struct pmu_res_updown_tab_entry { ++ u8 resource; /* The resource number */ ++ u16 updown; /* The updown value */ ++}; ++ ++enum pmu_res_depend_tab_task { ++ PMU_RES_DEP_SET = 1, ++ PMU_RES_DEP_ADD, ++ PMU_RES_DEP_REMOVE, ++}; ++ ++struct pmu_res_depend_tab_entry { ++ u8 resource; /* The resource number */ ++ u8 task; /* SET | ADD | REMOVE */ ++ u32 depend; /* The depend mask */ ++}; ++ ++static const struct pmu_res_updown_tab_entry pmu_res_updown_tab_4328a0[] = { ++ { .resource = SSB_PLLRES_4328_EXT_SWITCHER_PWM, .updown = 0x0101, }, ++ { .resource = SSB_PLLRES_4328_BB_SWITCHER_PWM, .updown = 0x1F01, }, ++ { .resource = SSB_PLLRES_4328_BB_SWITCHER_BURST, .updown = 0x010F, }, ++ { .resource = SSB_PLLRES_4328_BB_EXT_SWITCHER_BURST, .updown = 0x0101, }, ++ { .resource = SSB_PLLRES_4328_ILP_REQUEST, .updown = 0x0202, }, ++ { .resource = SSB_PLLRES_4328_RADIO_SWITCHER_PWM, .updown = 0x0F01, }, ++ { .resource = SSB_PLLRES_4328_RADIO_SWITCHER_BURST, .updown = 0x0F01, }, ++ { .resource = SSB_PLLRES_4328_ROM_SWITCH, .updown = 0x0101, }, ++ { .resource = SSB_PLLRES_4328_PA_REF_LDO, .updown = 0x0F01, }, ++ { .resource = SSB_PLLRES_4328_RADIO_LDO, .updown = 0x0F01, }, ++ { .resource = SSB_PLLRES_4328_AFE_LDO, .updown = 0x0F01, }, ++ { .resource = SSB_PLLRES_4328_PLL_LDO, .updown = 0x0F01, }, ++ { .resource = SSB_PLLRES_4328_BG_FILTBYP, .updown = 0x0101, }, ++ { .resource = SSB_PLLRES_4328_TX_FILTBYP, .updown = 0x0101, }, ++ { .resource = SSB_PLLRES_4328_RX_FILTBYP, .updown = 0x0101, }, ++ { .resource = SSB_PLLRES_4328_XTAL_PU, .updown = 0x0101, }, ++ { .resource = SSB_PLLRES_4328_XTAL_EN, .updown = 0xA001, }, ++ { .resource = SSB_PLLRES_4328_BB_PLL_FILTBYP, .updown = 0x0101, }, ++ { .resource = SSB_PLLRES_4328_RF_PLL_FILTBYP, .updown = 0x0101, }, ++ { .resource = SSB_PLLRES_4328_BB_PLL_PU, .updown = 0x0701, }, ++}; ++ ++static const struct pmu_res_depend_tab_entry pmu_res_depend_tab_4328a0[] = { ++ { ++ /* Adjust ILP Request to avoid forcing EXT/BB into burst mode. */ ++ .resource = SSB_PLLRES_4328_ILP_REQUEST, ++ .task = PMU_RES_DEP_SET, ++ .depend = ((1 << SSB_PLLRES_4328_EXT_SWITCHER_PWM) | ++ (1 << SSB_PLLRES_4328_BB_SWITCHER_PWM)), ++ }, ++}; ++ ++static const struct pmu_res_updown_tab_entry pmu_res_updown_tab_4325a0[] = { ++ { .resource = SSB_PLLRES_4325_XTAL_PU, .updown = 0x1501, }, ++}; ++ ++static const struct pmu_res_depend_tab_entry pmu_res_depend_tab_4325a0[] = { ++ { ++ /* Adjust HT-Available dependencies. */ ++ .resource = SSB_PLLRES_4325_HT_AVAIL, ++ .task = PMU_RES_DEP_ADD, ++ .depend = ((1 << SSB_PLLRES_4325_RX_PWRSW_PU) | ++ (1 << SSB_PLLRES_4325_TX_PWRSW_PU) | ++ (1 << SSB_PLLRES_4325_LOGEN_PWRSW_PU) | ++ (1 << SSB_PLLRES_4325_AFE_PWRSW_PU)), ++ }, ++}; ++ +static void ssb_pmu_resources_init(struct ssb_chipcommon *cc) +{ + struct ssb_bus *bus = cc->dev->bus; + u32 min_msk = 0, max_msk = 0; ++ unsigned int i; ++ const struct pmu_res_updown_tab_entry *updown_tab = NULL; ++ unsigned int updown_tab_size; ++ const struct pmu_res_depend_tab_entry *depend_tab = NULL; ++ unsigned int depend_tab_size; + + switch (bus->chip_id) { + case 0x4312: + /* We keep the default settings: + * min_msk = 0xCBB + * max_msk = 0x7FFFF -+ * updown table size = 0 -+ * depend table size = 0 + */ + break; + case 0x4325: -+ //TODO ++ /* Power OTP down later. */ ++ min_msk = (1 << SSB_PLLRES_4325_CBUCK_BURST) | ++ (1 << SSB_PLLRES_4325_LNLDO2_PU); ++ if (chipco_read32(cc, SSB_CHIPCO_CHIPSTAT) & ++ SSB_CHIPCO_CHST_4325_PMUTOP_2B) ++ min_msk |= (1 << SSB_PLLRES_4325_CLDO_CBUCK_BURST); ++ /* The PLL may turn on, if it decides so. */ ++ max_msk = 0xFFFFF; ++ updown_tab = pmu_res_updown_tab_4325a0; ++ updown_tab_size = ARRAY_SIZE(pmu_res_updown_tab_4325a0); ++ depend_tab = pmu_res_depend_tab_4325a0; ++ depend_tab_size = ARRAY_SIZE(pmu_res_depend_tab_4325a0); + break; + case 0x4328: -+ //TODO ++ min_msk = (1 << SSB_PLLRES_4328_EXT_SWITCHER_PWM) | ++ (1 << SSB_PLLRES_4328_BB_SWITCHER_PWM) | ++ (1 << SSB_PLLRES_4328_XTAL_EN); ++ /* The PLL may turn on, if it decides so. */ ++ max_msk = 0xFFFFF; ++ updown_tab = pmu_res_updown_tab_4328a0; ++ updown_tab_size = ARRAY_SIZE(pmu_res_updown_tab_4328a0); ++ depend_tab = pmu_res_depend_tab_4328a0; ++ depend_tab_size = ARRAY_SIZE(pmu_res_depend_tab_4328a0); + break; + case 0x5354: + /* The PLL may turn on, if it decides so. */ @@ -237,7 +326,37 @@ Index: linux-2.6.28.2/drivers/ssb/driver_chipcommon_pmu.c + "ERROR: PMU resource config unknown for device %04X\n", + bus->chip_id); + } -+ //TODO table upload ++ ++ if (updown_tab) { ++ for (i = 0; i < updown_tab_size; i++) { ++ chipco_write32(cc, SSB_CHIPCO_PMU_RES_TABSEL, ++ updown_tab[i].resource); ++ chipco_write32(cc, SSB_CHIPCO_PMU_RES_UPDNTM, ++ updown_tab[i].updown); ++ } ++ } ++ if (depend_tab) { ++ for (i = 0; i < depend_tab_size; i++) { ++ chipco_write32(cc, SSB_CHIPCO_PMU_RES_TABSEL, ++ depend_tab[i].resource); ++ switch (depend_tab[i].task) { ++ case PMU_RES_DEP_SET: ++ chipco_write32(cc, SSB_CHIPCO_PMU_RES_DEPMSK, ++ depend_tab[i].depend); ++ break; ++ case PMU_RES_DEP_ADD: ++ chipco_set32(cc, SSB_CHIPCO_PMU_RES_DEPMSK, ++ depend_tab[i].depend); ++ break; ++ case PMU_RES_DEP_REMOVE: ++ chipco_mask32(cc, SSB_CHIPCO_PMU_RES_DEPMSK, ++ ~(depend_tab[i].depend)); ++ break; ++ default: ++ SSB_WARN_ON(1); ++ } ++ } ++ } + + /* Set the resource masks. */ + if (min_msk) @@ -309,7 +428,7 @@ Index: linux-2.6.28.2/drivers/ssb/driver_chipcommon.c Index: linux-2.6.28.2/include/linux/ssb/ssb_driver_chipcommon.h =================================================================== --- linux-2.6.28.2.orig/include/linux/ssb/ssb_driver_chipcommon.h 2009-02-01 13:22:59.000000000 +0100 -+++ linux-2.6.28.2/include/linux/ssb/ssb_driver_chipcommon.h 2009-02-01 19:17:25.000000000 +0100 ++++ linux-2.6.28.2/include/linux/ssb/ssb_driver_chipcommon.h 2009-02-01 21:09:37.000000000 +0100 @@ -181,6 +181,16 @@ #define SSB_CHIPCO_PROG_WAITCNT 0x0124 #define SSB_CHIPCO_FLASH_CFG 0x0128 @@ -327,7 +446,7 @@ Index: linux-2.6.28.2/include/linux/ssb/ssb_driver_chipcommon.h #define SSB_CHIPCO_UART0_DATA 0x0300 #define SSB_CHIPCO_UART0_IMR 0x0304 #define SSB_CHIPCO_UART0_FCR 0x0308 -@@ -197,6 +207,156 @@ +@@ -197,6 +207,172 @@ #define SSB_CHIPCO_UART1_LSR 0x0414 #define SSB_CHIPCO_UART1_MSR 0x0418 #define SSB_CHIPCO_UART1_SCRATCH 0x041C @@ -481,10 +600,26 @@ Index: linux-2.6.28.2/include/linux/ssb/ssb_driver_chipcommon.h +#define SSB_PLLRES_5354_BB_PLL_FILTBYP 17 +#define SSB_PLLRES_5354_RF_PLL_FILTBYP 18 +#define SSB_PLLRES_5354_BB_PLL_PU 19 ++ ++ ++ ++/** Chip specific Chip-Status register contents. */ ++#define SSB_CHIPCO_CHST_4325_SPROM_OTP_SEL 0x00000003 ++#define SSB_CHIPCO_CHST_4325_DEFCIS_SEL 0 /* OTP is powered up, use def. CIS, no SPROM */ ++#define SSB_CHIPCO_CHST_4325_SPROM_SEL 1 /* OTP is powered up, SPROM is present */ ++#define SSB_CHIPCO_CHST_4325_OTP_SEL 2 /* OTP is powered up, no SPROM */ ++#define SSB_CHIPCO_CHST_4325_OTP_PWRDN 3 /* OTP is powered down, SPROM is present */ ++#define SSB_CHIPCO_CHST_4325_SDIO_USB_MODE 0x00000004 ++#define SSB_CHIPCO_CHST_4325_SDIO_USB_MODE_SHIFT 2 ++#define SSB_CHIPCO_CHST_4325_RCAL_VALID 0x00000008 ++#define SSB_CHIPCO_CHST_4325_RCAL_VALID_SHIFT 3 ++#define SSB_CHIPCO_CHST_4325_RCAL_VALUE 0x000001F0 ++#define SSB_CHIPCO_CHST_4325_RCAL_VALUE_SHIFT 4 ++#define SSB_CHIPCO_CHST_4325_PMUTOP_2B 0x00000200 /* 1 for 2b, 0 for to 2a */ -@@ -353,11 +513,20 @@ +@@ -353,11 +529,20 @@ struct ssb_device; struct ssb_serial_port; @@ -505,7 +640,7 @@ Index: linux-2.6.28.2/include/linux/ssb/ssb_driver_chipcommon.h }; static inline bool ssb_chipco_available(struct ssb_chipcommon *cc) -@@ -365,6 +534,17 @@ static inline bool ssb_chipco_available( +@@ -365,6 +550,17 @@ static inline bool ssb_chipco_available( return (cc->dev != NULL); } @@ -523,7 +658,7 @@ Index: linux-2.6.28.2/include/linux/ssb/ssb_driver_chipcommon.h extern void ssb_chipcommon_init(struct ssb_chipcommon *cc); extern void ssb_chipco_suspend(struct ssb_chipcommon *cc); -@@ -406,4 +586,8 @@ extern int ssb_chipco_serial_init(struct +@@ -406,4 +602,8 @@ extern int ssb_chipco_serial_init(struct struct ssb_serial_port *ports); #endif /* CONFIG_SSB_SERIAL */