diff options
Diffstat (limited to 'arch/powerpc/platforms/iseries')
| -rw-r--r-- | arch/powerpc/platforms/iseries/exception.S | 12 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/ipl_parms.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/lpardata.c | 121 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/naca.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/pci.c | 3 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/release_data.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/spcomm_area.h | 2 | ||||
| -rw-r--r-- | arch/powerpc/platforms/iseries/vpd_areas.h | 4 |
8 files changed, 122 insertions, 26 deletions
diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S index 5381038f0881..c775cd4b3d6e 100644 --- a/arch/powerpc/platforms/iseries/exception.S +++ b/arch/powerpc/platforms/iseries/exception.S @@ -38,11 +38,19 @@ .globl system_reset_iSeries system_reset_iSeries: - mfspr r13,SPRN_SPRG3 /* Get paca address */ + mfspr r13,SPRN_SPRG3 /* Get alpaca address */ + LOAD_REG_IMMEDIATE(r23, alpaca) + li r0,ALPACA_SIZE + sub r23,r13,r23 + divdu r23,r23,r0 /* r23 has cpu number */ + LOAD_REG_IMMEDIATE(r13, paca) + mulli r0,r23,PACA_SIZE + add r13,r13,r0 + mtspr SPRN_SPRG3,r13 /* Save it away for the future */ mfmsr r24 ori r24,r24,MSR_RI mtmsrd r24 /* RI on */ - lhz r24,PACAPACAINDEX(r13) /* Get processor # */ + mr r24,r23 cmpwi 0,r24,0 /* Are we processor 0? */ bne 1f b .__start_initialization_iSeries /* Start up the first processor */ diff --git a/arch/powerpc/platforms/iseries/ipl_parms.h b/arch/powerpc/platforms/iseries/ipl_parms.h index 77c135ddbf1b..83e4ca42fc57 100644 --- a/arch/powerpc/platforms/iseries/ipl_parms.h +++ b/arch/powerpc/platforms/iseries/ipl_parms.h @@ -65,6 +65,4 @@ struct ItIplParmsReal { u64 xRsvd13; // Reserved x38-x3F }; -extern struct ItIplParmsReal xItIplParmsReal; - #endif /* _ISERIES_IPL_PARMS_H */ diff --git a/arch/powerpc/platforms/iseries/lpardata.c b/arch/powerpc/platforms/iseries/lpardata.c index 8162049bb04d..98bd2d37038a 100644 --- a/arch/powerpc/platforms/iseries/lpardata.c +++ b/arch/powerpc/platforms/iseries/lpardata.c @@ -14,10 +14,10 @@ #include <asm/ptrace.h> #include <asm/abs_addr.h> #include <asm/lppaca.h> -#include <asm/iseries/it_lp_reg_save.h> #include <asm/paca.h> #include <asm/iseries/lpar_map.h> #include <asm/iseries/it_lp_queue.h> +#include <asm/iseries/alpaca.h> #include "naca.h" #include "vpd_areas.h" @@ -31,7 +31,7 @@ /* The HvReleaseData is the root of the information shared between * the hypervisor and Linux. */ -struct HvReleaseData hvReleaseData = { +const struct HvReleaseData hvReleaseData = { .xDesc = 0xc8a5d9c4, /* "HvRD" ebcdic */ .xSize = sizeof(struct HvReleaseData), .xVpdAreasPtrOffset = offsetof(struct naca_struct, xItVpdAreas), @@ -61,6 +61,63 @@ struct naca_struct naca = { .xRamDiskSize = 0, }; +struct ItLpRegSave { + u32 xDesc; // Eye catcher "LpRS" ebcdic 000-003 + u16 xSize; // Size of this class 004-005 + u8 xInUse; // Area is live 006-007 + u8 xRsvd1[9]; // Reserved 007-00F + + u8 xFixedRegSave[352]; // Fixed Register Save Area 010-16F + u32 xCTRL; // Control Register 170-173 + u32 xDEC; // Decrementer 174-177 + u32 xFPSCR; // FP Status and Control Reg 178-17B + u32 xPVR; // Processor Version Number 17C-17F + + u64 xMMCR0; // Monitor Mode Control Reg 0 180-187 + u32 xPMC1; // Perf Monitor Counter 1 188-18B + u32 xPMC2; // Perf Monitor Counter 2 18C-18F + u32 xPMC3; // Perf Monitor Counter 3 190-193 + u32 xPMC4; // Perf Monitor Counter 4 194-197 + u32 xPIR; // Processor ID Reg 198-19B + + u32 xMMCR1; // Monitor Mode Control Reg 1 19C-19F + u32 xMMCRA; // Monitor Mode Control Reg A 1A0-1A3 + u32 xPMC5; // Perf Monitor Counter 5 1A4-1A7 + u32 xPMC6; // Perf Monitor Counter 6 1A8-1AB + u32 xPMC7; // Perf Monitor Counter 7 1AC-1AF + u32 xPMC8; // Perf Monitor Counter 8 1B0-1B3 + u32 xTSC; // Thread Switch Control 1B4-1B7 + u32 xTST; // Thread Switch Timeout 1B8-1BB + u32 xRsvd; // Reserved 1BC-1BF + + u64 xACCR; // Address Compare Control Reg 1C0-1C7 + u64 xIMR; // Instruction Match Register 1C8-1CF + u64 xSDR1; // Storage Description Reg 1 1D0-1D7 + u64 xSPRG0; // Special Purpose Reg General0 1D8-1DF + u64 xSPRG1; // Special Purpose Reg General1 1E0-1E7 + u64 xSPRG2; // Special Purpose Reg General2 1E8-1EF + u64 xSPRG3; // Special Purpose Reg General3 1F0-1F7 + u64 xTB; // Time Base Register 1F8-1FF + + u64 xFPR[32]; // Floating Point Registers 200-2FF + + u64 xMSR; // Machine State Register 300-307 + u64 xNIA; // Next Instruction Address 308-30F + + u64 xDABR; // Data Address Breakpoint Reg 310-317 + u64 xIABR; // Inst Address Breakpoint Reg 318-31F + + u64 xHID0; // HW Implementation Dependent0 320-327 + + u64 xHID4; // HW Implementation Dependent4 328-32F + u64 xSCOMd; // SCON Data Reg (SPRG4) 330-337 + u64 xSCOMc; // SCON Command Reg (SPRG5) 338-33F + u64 xSDAR; // Sample Data Address Register 340-347 + u64 xSIAR; // Sample Inst Address Register 348-34F + + u8 xRsvd3[176]; // Reserved 350-3FF +}; + extern void system_reset_iSeries(void); extern void machine_check_iSeries(void); extern void data_access_iSeries(void); @@ -129,7 +186,7 @@ struct ItLpNaca itLpNaca = { }; /* May be filled in by the hypervisor so cannot end up in the BSS */ -struct ItIplParmsReal xItIplParmsReal __attribute__((__section__(".data"))); +static struct ItIplParmsReal xItIplParmsReal __attribute__((__section__(".data"))); /* May be filled in by the hypervisor so cannot end up in the BSS */ struct ItExtVpdPanel xItExtVpdPanel __attribute__((__section__(".data"))); @@ -152,13 +209,54 @@ u64 xMsVpd[3400] __attribute__((__section__(".data"))); /* Space for Recovery Log Buffer */ /* May be filled in by the hypervisor so cannot end up in the BSS */ -u64 xRecoveryLogBuffer[32] __attribute__((__section__(".data"))); +static u64 xRecoveryLogBuffer[32] __attribute__((__section__(".data"))); -struct SpCommArea xSpCommArea = { +static const struct SpCommArea xSpCommArea = { .xDesc = 0xE2D7C3C2, .xFormat = 1, }; +static const struct ItLpRegSave iseries_reg_save[] = { + [0 ... (NR_CPUS-1)] = { + .xDesc = 0xd397d9e2, /* "LpRS" */ + .xSize = sizeof(struct ItLpRegSave), + }, +}; + +#define ALPACA_INIT(number) \ +{ \ + .lppaca_ptr = &lppaca[number], \ + .reg_save_ptr = &iseries_reg_save[number], \ +} + +const struct alpaca alpaca[] = { + ALPACA_INIT( 0), +#if NR_CPUS > 1 + ALPACA_INIT( 1), ALPACA_INIT( 2), ALPACA_INIT( 3), +#if NR_CPUS > 4 + ALPACA_INIT( 4), ALPACA_INIT( 5), ALPACA_INIT( 6), ALPACA_INIT( 7), +#if NR_CPUS > 8 + ALPACA_INIT( 8), ALPACA_INIT( 9), ALPACA_INIT(10), ALPACA_INIT(11), + ALPACA_INIT(12), ALPACA_INIT(13), ALPACA_INIT(14), ALPACA_INIT(15), + ALPACA_INIT(16), ALPACA_INIT(17), ALPACA_INIT(18), ALPACA_INIT(19), + ALPACA_INIT(20), ALPACA_INIT(21), ALPACA_INIT(22), ALPACA_INIT(23), + ALPACA_INIT(24), ALPACA_INIT(25), ALPACA_INIT(26), ALPACA_INIT(27), + ALPACA_INIT(28), ALPACA_INIT(29), ALPACA_INIT(30), ALPACA_INIT(31), +#if NR_CPUS > 32 + ALPACA_INIT(32), ALPACA_INIT(33), ALPACA_INIT(34), ALPACA_INIT(35), + ALPACA_INIT(36), ALPACA_INIT(37), ALPACA_INIT(38), ALPACA_INIT(39), + ALPACA_INIT(40), ALPACA_INIT(41), ALPACA_INIT(42), ALPACA_INIT(43), + ALPACA_INIT(44), ALPACA_INIT(45), ALPACA_INIT(46), ALPACA_INIT(47), + ALPACA_INIT(48), ALPACA_INIT(49), ALPACA_INIT(50), ALPACA_INIT(51), + ALPACA_INIT(52), ALPACA_INIT(53), ALPACA_INIT(54), ALPACA_INIT(55), + ALPACA_INIT(56), ALPACA_INIT(57), ALPACA_INIT(58), ALPACA_INIT(59), + ALPACA_INIT(60), ALPACA_INIT(61), ALPACA_INIT(62), ALPACA_INIT(63), +#endif +#endif +#endif +#endif +}; + /* The LparMap data is now located at offset 0x6000 in head.S * It was put there so that the HvReleaseData could address it * with a 32-bit offset as required by the iSeries hypervisor @@ -167,7 +265,7 @@ struct SpCommArea xSpCommArea = { * the Naca via the HvReleaseData area. The HvReleaseData has the * offset into the Naca of the pointer to the ItVpdAreas. */ -struct ItVpdAreas itVpdAreas = { +const struct ItVpdAreas itVpdAreas = { .xSlicDesc = 0xc9a3e5c1, /* "ItVA" */ .xSlicSize = sizeof(struct ItVpdAreas), .xSlicVpdEntries = ItVpdMaxEntries, /* # VPD array entries */ @@ -185,7 +283,7 @@ struct ItVpdAreas itVpdAreas = { .xSlicVpdLens = { /* VPD lengths */ 0,0,0, /* 0 - 2 */ sizeof(xItExtVpdPanel), /* 3 Extended VPD */ - sizeof(struct paca_struct), /* 4 length of Paca */ + sizeof(struct alpaca), /* 4 length of (fake) Paca */ 0, /* 5 */ sizeof(struct ItIplParmsReal),/* 6 length of IPL parms */ 26992, /* 7 length of MS VPD */ @@ -203,7 +301,7 @@ struct ItVpdAreas itVpdAreas = { .xSlicVpdAdrs = { /* VPD addresses */ 0,0,0, /* 0 - 2 */ &xItExtVpdPanel, /* 3 Extended VPD */ - &paca[0], /* 4 first Paca */ + &alpaca[0], /* 4 first (fake) Paca */ 0, /* 5 */ &xItIplParmsReal, /* 6 IPL parms */ &xMsVpd, /* 7 MS Vpd */ @@ -219,10 +317,3 @@ struct ItVpdAreas itVpdAreas = { 0,0 } }; - -struct ItLpRegSave iseries_reg_save[] = { - [0 ... (NR_CPUS-1)] = { - .xDesc = 0xd397d9e2, /* "LpRS" */ - .xSize = sizeof(struct ItLpRegSave), - }, -}; diff --git a/arch/powerpc/platforms/iseries/naca.h b/arch/powerpc/platforms/iseries/naca.h index ab2372eb8d2e..f01708e12862 100644 --- a/arch/powerpc/platforms/iseries/naca.h +++ b/arch/powerpc/platforms/iseries/naca.h @@ -14,7 +14,7 @@ struct naca_struct { /* Kernel only data - undefined for user space */ - void *xItVpdAreas; /* VPD Data 0x00 */ + const void *xItVpdAreas; /* VPD Data 0x00 */ void *xRamDisk; /* iSeries ramdisk 0x08 */ u64 xRamDiskSize; /* In pages 0x10 */ }; diff --git a/arch/powerpc/platforms/iseries/pci.c b/arch/powerpc/platforms/iseries/pci.c index cc562e4c2f32..02a634faedbe 100644 --- a/arch/powerpc/platforms/iseries/pci.c +++ b/arch/powerpc/platforms/iseries/pci.c @@ -23,6 +23,7 @@ #undef DEBUG +#include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/list.h> #include <linux/string.h> @@ -586,7 +587,7 @@ static inline struct device_node *xlate_iomm_address( static unsigned long last_jiffies; static int num_printed; - if ((jiffies - last_jiffies) > 60 * HZ) { + if (time_after(jiffies, last_jiffies + 60 * HZ)) { last_jiffies = jiffies; num_printed = 0; } diff --git a/arch/powerpc/platforms/iseries/release_data.h b/arch/powerpc/platforms/iseries/release_data.h index 66189fd2e32d..6ad7d843e8fc 100644 --- a/arch/powerpc/platforms/iseries/release_data.h +++ b/arch/powerpc/platforms/iseries/release_data.h @@ -58,6 +58,6 @@ struct HvReleaseData { char xRsvd3[20]; /* Reserved x2C-x3F */ }; -extern struct HvReleaseData hvReleaseData; +extern const struct HvReleaseData hvReleaseData; #endif /* _ISERIES_RELEASE_DATA_H */ diff --git a/arch/powerpc/platforms/iseries/spcomm_area.h b/arch/powerpc/platforms/iseries/spcomm_area.h index 6e3b685115c9..598b7c14573a 100644 --- a/arch/powerpc/platforms/iseries/spcomm_area.h +++ b/arch/powerpc/platforms/iseries/spcomm_area.h @@ -31,6 +31,4 @@ struct SpCommArea { u8 xRsvd2[80]; // Reserved 030-07F }; -extern struct SpCommArea xSpCommArea; - #endif /* _ISERIES_SPCOMM_AREA_H */ diff --git a/arch/powerpc/platforms/iseries/vpd_areas.h b/arch/powerpc/platforms/iseries/vpd_areas.h index 601e6dd860ed..feb001f3a5fe 100644 --- a/arch/powerpc/platforms/iseries/vpd_areas.h +++ b/arch/powerpc/platforms/iseries/vpd_areas.h @@ -80,9 +80,9 @@ struct ItVpdAreas { u32 xPlicDmaLens[ItDmaMaxEntries];// Array of DMA lengths 080-0A7 u32 xPlicDmaToks[ItDmaMaxEntries];// Array of DMA tokens 0A8-0CF u32 xSlicVpdLens[ItVpdMaxEntries];// Array of VPD lengths 0D0-12F - void *xSlicVpdAdrs[ItVpdMaxEntries];// Array of VPD buffers 130-1EF + const void *xSlicVpdAdrs[ItVpdMaxEntries];// Array of VPD buffers 130-1EF }; -extern struct ItVpdAreas itVpdAreas; +extern const struct ItVpdAreas itVpdAreas; #endif /* _ISERIES_VPD_AREAS_H */ |