diff options
Diffstat (limited to 'arch/powerpc/platforms')
20 files changed, 604 insertions, 596 deletions
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig index 454fc53289ab..c3268d9877e4 100644 --- a/arch/powerpc/platforms/85xx/Kconfig +++ b/arch/powerpc/platforms/85xx/Kconfig @@ -14,7 +14,6 @@ config MPC8540_ADS config MPC85xx_CDS bool "Freescale MPC85xx CDS" select DEFAULT_UIMAGE - select PPC_I8259 if PCI help This option enables support for the MPC85xx CDS board diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ads.c b/arch/powerpc/platforms/85xx/mpc85xx_ads.c index 06a497676c99..9d2acfbbeccd 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ads.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ads.c @@ -37,79 +37,7 @@ unsigned long isa_io_base = 0; unsigned long isa_mem_base = 0; #endif -/* - * Internal interrupts are all Level Sensitive, and Positive Polarity - * - * Note: Likely, this table and the following function should be - * obtained and derived from the OF Device Tree. - */ -static u_char mpc85xx_ads_openpic_initsenses[] __initdata = { - MPC85XX_INTERNAL_IRQ_SENSES, - 0x0, /* External 0: */ -#if defined(CONFIG_PCI) - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 1: PCI slot 0 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 2: PCI slot 1 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 3: PCI slot 2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 4: PCI slot 3 */ -#else - 0x0, /* External 1: */ - 0x0, /* External 2: */ - 0x0, /* External 3: */ - 0x0, /* External 4: */ -#endif - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 5: PHY */ - 0x0, /* External 6: */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 7: PHY */ - 0x0, /* External 8: */ - 0x0, /* External 9: */ - 0x0, /* External 10: */ - 0x0, /* External 11: */ -}; - #ifdef CONFIG_PCI -/* - * interrupt routing - */ - -int -mpc85xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) -{ - static char pci_irq_table[][4] = - /* - * This is little evil, but works around the fact - * that revA boards have IDSEL starting at 18 - * and others boards (older) start at 12 - * - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - { - {PIRQA, PIRQB, PIRQC, PIRQD}, /* IDSEL 2 */ - {PIRQD, PIRQA, PIRQB, PIRQC}, - {PIRQC, PIRQD, PIRQA, PIRQB}, - {PIRQB, PIRQC, PIRQD, PIRQA}, /* IDSEL 5 */ - {0, 0, 0, 0}, /* -- */ - {0, 0, 0, 0}, /* -- */ - {0, 0, 0, 0}, /* -- */ - {0, 0, 0, 0}, /* -- */ - {0, 0, 0, 0}, /* -- */ - {0, 0, 0, 0}, /* -- */ - {PIRQA, PIRQB, PIRQC, PIRQD}, /* IDSEL 12 */ - {PIRQD, PIRQA, PIRQB, PIRQC}, - {PIRQC, PIRQD, PIRQA, PIRQB}, - {PIRQB, PIRQC, PIRQD, PIRQA}, /* IDSEL 15 */ - {0, 0, 0, 0}, /* -- */ - {0, 0, 0, 0}, /* -- */ - {PIRQA, PIRQB, PIRQC, PIRQD}, /* IDSEL 18 */ - {PIRQD, PIRQA, PIRQB, PIRQC}, - {PIRQC, PIRQD, PIRQA, PIRQB}, - {PIRQB, PIRQC, PIRQD, PIRQA}, /* IDSEL 21 */ - }; - - const long min_idsel = 2, max_idsel = 21, irqs_per_slot = 4; - return PCI_IRQ_TABLE_LOOKUP; -} - int mpc85xx_exclude_device(u_char bus, u_char devfn) { @@ -119,44 +47,63 @@ mpc85xx_exclude_device(u_char bus, u_char devfn) return PCIBIOS_SUCCESSFUL; } +void __init +mpc85xx_pcibios_fixup(void) +{ + struct pci_dev *dev = NULL; + + for_each_pci_dev(dev) + pci_read_irq_line(dev); +} #endif /* CONFIG_PCI */ void __init mpc85xx_ads_pic_init(void) { - struct mpic *mpic1; - phys_addr_t OpenPIC_PAddr; - - /* Determine the Physical Address of the OpenPIC regs */ - OpenPIC_PAddr = get_immrbase() + MPC85xx_OPENPIC_OFFSET; - - mpic1 = mpic_alloc(OpenPIC_PAddr, - MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 4, MPC85xx_OPENPIC_IRQ_OFFSET, 0, 250, - mpc85xx_ads_openpic_initsenses, - sizeof(mpc85xx_ads_openpic_initsenses), - " OpenPIC "); - BUG_ON(mpic1 == NULL); - mpic_assign_isu(mpic1, 0, OpenPIC_PAddr + 0x10200); - mpic_assign_isu(mpic1, 1, OpenPIC_PAddr + 0x10280); - mpic_assign_isu(mpic1, 2, OpenPIC_PAddr + 0x10300); - mpic_assign_isu(mpic1, 3, OpenPIC_PAddr + 0x10380); - mpic_assign_isu(mpic1, 4, OpenPIC_PAddr + 0x10400); - mpic_assign_isu(mpic1, 5, OpenPIC_PAddr + 0x10480); - mpic_assign_isu(mpic1, 6, OpenPIC_PAddr + 0x10500); - mpic_assign_isu(mpic1, 7, OpenPIC_PAddr + 0x10580); - - /* dummy mappings to get to 48 */ - mpic_assign_isu(mpic1, 8, OpenPIC_PAddr + 0x10600); - mpic_assign_isu(mpic1, 9, OpenPIC_PAddr + 0x10680); - mpic_assign_isu(mpic1, 10, OpenPIC_PAddr + 0x10700); - mpic_assign_isu(mpic1, 11, OpenPIC_PAddr + 0x10780); - - /* External ints */ - mpic_assign_isu(mpic1, 12, OpenPIC_PAddr + 0x10000); - mpic_assign_isu(mpic1, 13, OpenPIC_PAddr + 0x10080); - mpic_assign_isu(mpic1, 14, OpenPIC_PAddr + 0x10100); - mpic_init(mpic1); + struct mpic *mpic; + struct resource r; + struct device_node *np = NULL; + + np = of_find_node_by_type(np, "open-pic"); + + if (np == NULL) { + printk(KERN_ERR "Could not find open-pic node\n"); + return; + } + + if(of_address_to_resource(np, 0, &r)) { + printk(KERN_ERR "Could not map mpic register space\n"); + of_node_put(np); + return; + } + + mpic = mpic_alloc(np, r.start, + MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, + 4, 0, " OpenPIC "); + BUG_ON(mpic == NULL); + of_node_put(np); + + mpic_assign_isu(mpic, 0, r.start + 0x10200); + mpic_assign_isu(mpic, 1, r.start + 0x10280); + mpic_assign_isu(mpic, 2, r.start + 0x10300); + mpic_assign_isu(mpic, 3, r.start + 0x10380); + mpic_assign_isu(mpic, 4, r.start + 0x10400); + mpic_assign_isu(mpic, 5, r.start + 0x10480); + mpic_assign_isu(mpic, 6, r.start + 0x10500); + mpic_assign_isu(mpic, 7, r.start + 0x10580); + + /* Unused on this platform (leave room for 8548) */ + mpic_assign_isu(mpic, 8, r.start + 0x10600); + mpic_assign_isu(mpic, 9, r.start + 0x10680); + mpic_assign_isu(mpic, 10, r.start + 0x10700); + mpic_assign_isu(mpic, 11, r.start + 0x10780); + + /* External Interrupts */ + mpic_assign_isu(mpic, 12, r.start + 0x10000); + mpic_assign_isu(mpic, 13, r.start + 0x10080); + mpic_assign_isu(mpic, 14, r.start + 0x10100); + + mpic_init(mpic); } /* @@ -165,7 +112,9 @@ void __init mpc85xx_ads_pic_init(void) static void __init mpc85xx_ads_setup_arch(void) { struct device_node *cpu; +#ifdef CONFIG_PCI struct device_node *np; +#endif if (ppc_md.progress) ppc_md.progress("mpc85xx_ads_setup_arch()", 0); @@ -186,8 +135,7 @@ static void __init mpc85xx_ads_setup_arch(void) for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) add_bridge(np); - ppc_md.pci_swizzle = common_swizzle; - ppc_md.pci_map_irq = mpc85xx_map_irq; + ppc_md.pcibios_fixup = mpc85xx_pcibios_fixup; ppc_md.pci_exclude_device = mpc85xx_exclude_device; #endif diff --git a/arch/powerpc/platforms/85xx/mpc85xx_cds.c b/arch/powerpc/platforms/85xx/mpc85xx_cds.c index 18e6e11f7020..1d357d32a29f 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_cds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_cds.c @@ -57,94 +57,8 @@ unsigned long isa_mem_base = 0; static int cds_pci_slot = 2; static volatile u8 *cadmus; -/* - * Internal interrupts are all Level Sensitive, and Positive Polarity - * - * Note: Likely, this table and the following function should be - * obtained and derived from the OF Device Tree. - */ -static u_char mpc85xx_cds_openpic_initsenses[] __initdata = { - MPC85XX_INTERNAL_IRQ_SENSES, -#if defined(CONFIG_PCI) - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Ext 0: PCI slot 0 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 1: PCI slot 1 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 2: PCI slot 2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 3: PCI slot 3 */ -#else - 0x0, /* External 0: */ - 0x0, /* External 1: */ - 0x0, /* External 2: */ - 0x0, /* External 3: */ -#endif - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 5: PHY */ - 0x0, /* External 6: */ - 0x0, /* External 7: */ - 0x0, /* External 8: */ - 0x0, /* External 9: */ - 0x0, /* External 10: */ -#ifdef CONFIG_PCI - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* Ext 11: PCI2 slot 0 */ -#else - 0x0, /* External 11: */ -#endif -}; - #ifdef CONFIG_PCI -/* - * interrupt routing - */ -int -mpc85xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) -{ - struct pci_controller *hose = pci_bus_to_hose(dev->bus->number); - - if (!hose->index) - { - /* Handle PCI1 interrupts */ - char pci_irq_table[][4] = - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - - /* Note IRQ assignment for slots is based on which slot the elysium is - * in -- in this setup elysium is in slot #2 (this PIRQA as first - * interrupt on slot */ - { - { 0, 1, 2, 3 }, /* 16 - PMC */ - { 0, 1, 2, 3 }, /* 17 P2P (Tsi320) */ - { 0, 1, 2, 3 }, /* 18 - Slot 1 */ - { 1, 2, 3, 0 }, /* 19 - Slot 2 */ - { 2, 3, 0, 1 }, /* 20 - Slot 3 */ - { 3, 0, 1, 2 }, /* 21 - Slot 4 */ - }; - - const long min_idsel = 16, max_idsel = 21, irqs_per_slot = 4; - int i, j; - - for (i = 0; i < 6; i++) - for (j = 0; j < 4; j++) - pci_irq_table[i][j] = - ((pci_irq_table[i][j] + 5 - - cds_pci_slot) & 0x3) + PIRQ0A; - - return PCI_IRQ_TABLE_LOOKUP; - } else { - /* Handle PCI2 interrupts (if we have one) */ - char pci_irq_table[][4] = - { - /* - * We only have one slot and one interrupt - * going to PIRQA - PIRQD */ - { PIRQ1A, PIRQ1A, PIRQ1A, PIRQ1A }, /* 21 - slot 0 */ - }; - - const long min_idsel = 21, max_idsel = 21, irqs_per_slot = 4; - - return PCI_IRQ_TABLE_LOOKUP; - } -} #define ARCADIA_HOST_BRIDGE_IDSEL 17 #define ARCADIA_2ND_BRIDGE_IDSEL 3 @@ -210,50 +124,104 @@ mpc85xx_cds_pcibios_fixup(void) pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11); pci_dev_put(dev); } + + /* Now map all the PCI irqs */ + dev = NULL; + for_each_pci_dev(dev) + pci_read_irq_line(dev); +} + +#ifdef CONFIG_PPC_I8259 +#warning The i8259 PIC support is currently broken +static void mpc85xx_8259_cascade(unsigned int irq, struct + irq_desc *desc, struct pt_regs *regs) +{ + unsigned int cascade_irq = i8259_irq(regs); + + if (cascade_irq != NO_IRQ) + generic_handle_irq(cascade_irq, regs); + + desc->chip->eoi(irq); } +#endif /* PPC_I8259 */ #endif /* CONFIG_PCI */ void __init mpc85xx_cds_pic_init(void) { - struct mpic *mpic1; - phys_addr_t OpenPIC_PAddr; + struct mpic *mpic; + struct resource r; + struct device_node *np = NULL; + struct device_node *cascade_node = NULL; + int cascade_irq; - /* Determine the Physical Address of the OpenPIC regs */ - OpenPIC_PAddr = get_immrbase() + MPC85xx_OPENPIC_OFFSET; + np = of_find_node_by_type(np, "open-pic"); + + if (np == NULL) { + printk(KERN_ERR "Could not find open-pic node\n"); + return; + } - mpic1 = mpic_alloc(OpenPIC_PAddr, + if (of_address_to_resource(np, 0, &r)) { + printk(KERN_ERR "Failed to map mpic register space\n"); + of_node_put(np); + return; + } + + mpic = mpic_alloc(np, r.start, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 4, MPC85xx_OPENPIC_IRQ_OFFSET, 0, 250, - mpc85xx_cds_openpic_initsenses, - sizeof(mpc85xx_cds_openpic_initsenses), " OpenPIC "); - BUG_ON(mpic1 == NULL); - mpic_assign_isu(mpic1, 0, OpenPIC_PAddr + 0x10200); - mpic_assign_isu(mpic1, 1, OpenPIC_PAddr + 0x10280); - mpic_assign_isu(mpic1, 2, OpenPIC_PAddr + 0x10300); - mpic_assign_isu(mpic1, 3, OpenPIC_PAddr + 0x10380); - mpic_assign_isu(mpic1, 4, OpenPIC_PAddr + 0x10400); - mpic_assign_isu(mpic1, 5, OpenPIC_PAddr + 0x10480); - mpic_assign_isu(mpic1, 6, OpenPIC_PAddr + 0x10500); - mpic_assign_isu(mpic1, 7, OpenPIC_PAddr + 0x10580); - - /* dummy mappings to get to 48 */ - mpic_assign_isu(mpic1, 8, OpenPIC_PAddr + 0x10600); - mpic_assign_isu(mpic1, 9, OpenPIC_PAddr + 0x10680); - mpic_assign_isu(mpic1, 10, OpenPIC_PAddr + 0x10700); - mpic_assign_isu(mpic1, 11, OpenPIC_PAddr + 0x10780); - - /* External ints */ - mpic_assign_isu(mpic1, 12, OpenPIC_PAddr + 0x10000); - mpic_assign_isu(mpic1, 13, OpenPIC_PAddr + 0x10080); - mpic_assign_isu(mpic1, 14, OpenPIC_PAddr + 0x10100); - - mpic_init(mpic1); + 4, 0, " OpenPIC "); + BUG_ON(mpic == NULL); + + /* Return the mpic node */ + of_node_put(np); + + mpic_assign_isu(mpic, 0, r.start + 0x10200); + mpic_assign_isu(mpic, 1, r.start + 0x10280); + mpic_assign_isu(mpic, 2, r.start + 0x10300); + mpic_assign_isu(mpic, 3, r.start + 0x10380); + mpic_assign_isu(mpic, 4, r.start + 0x10400); + mpic_assign_isu(mpic, 5, r.start + 0x10480); + mpic_assign_isu(mpic, 6, r.start + 0x10500); + mpic_assign_isu(mpic, 7, r.start + 0x10580); + + /* Used only for 8548 so far, but no harm in + * allocating them for everyone */ + mpic_assign_isu(mpic, 8, r.start + 0x10600); + mpic_assign_isu(mpic, 9, r.start + 0x10680); + mpic_assign_isu(mpic, 10, r.start + 0x10700); + mpic_assign_isu(mpic, 11, r.start + 0x10780); + + /* External Interrupts */ + mpic_assign_isu(mpic, 12, r.start + 0x10000); + mpic_assign_isu(mpic, 13, r.start + 0x10080); + mpic_assign_isu(mpic, 14, r.start + 0x10100); + + mpic_init(mpic); + +#ifdef CONFIG_PPC_I8259 + /* Initialize the i8259 controller */ + for_each_node_by_type(np, "interrupt-controller") + if (device_is_compatible(np, "chrp,iic")) { + cascade_node = np; + break; + } + + if (cascade_node == NULL) { + printk(KERN_DEBUG "Could not find i8259 PIC\n"); + return; + } -#ifdef CONFIG_PCI - mpic_setup_cascade(PIRQ0A, i8259_irq_cascade, NULL); + cascade_irq = irq_of_parse_and_map(cascade_node, 0); + if (cascade_irq == NO_IRQ) { + printk(KERN_ERR "Failed to map cascade interrupt\n"); + return; + } - i8259_init(0,0); -#endif + i8259_init(cascade_node, 0); + of_node_put(cascade_node); + + set_irq_chained_handler(cascade_irq, mpc85xx_8259_cascade); +#endif /* CONFIG_PPC_I8259 */ } @@ -298,8 +266,6 @@ mpc85xx_cds_setup_arch(void) add_bridge(np); ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup; - ppc_md.pci_swizzle = common_swizzle; - ppc_md.pci_map_irq = mpc85xx_map_irq; ppc_md.pci_exclude_device = mpc85xx_exclude_device; #endif diff --git a/arch/powerpc/platforms/86xx/mpc8641_hpcn.h b/arch/powerpc/platforms/86xx/mpc8641_hpcn.h index 5d2bcf78cef7..41e554c4af94 100644 --- a/arch/powerpc/platforms/86xx/mpc8641_hpcn.h +++ b/arch/powerpc/platforms/86xx/mpc8641_hpcn.h @@ -16,38 +16,6 @@ #include <linux/init.h> -/* PCI interrupt controller */ -#define PIRQA 3 -#define PIRQB 4 -#define PIRQC 5 -#define PIRQD 6 -#define PIRQ7 7 -#define PIRQE 9 -#define PIRQF 10 -#define PIRQG 11 -#define PIRQH 12 - -/* PCI-Express memory map */ -#define MPC86XX_PCIE_LOWER_IO 0x00000000 -#define MPC86XX_PCIE_UPPER_IO 0x00ffffff - -#define MPC86XX_PCIE_LOWER_MEM 0x80000000 -#define MPC86XX_PCIE_UPPER_MEM 0x9fffffff - -#define MPC86XX_PCIE_IO_BASE 0xe2000000 -#define MPC86XX_PCIE_MEM_OFFSET 0x00000000 - -#define MPC86XX_PCIE_IO_SIZE 0x01000000 - -#define PCIE1_CFG_ADDR_OFFSET (0x8000) -#define PCIE1_CFG_DATA_OFFSET (0x8004) - -#define PCIE2_CFG_ADDR_OFFSET (0x9000) -#define PCIE2_CFG_DATA_OFFSET (0x9004) - -#define MPC86xx_PCIE_OFFSET PCIE1_CFG_ADDR_OFFSET -#define MPC86xx_PCIE_SIZE (0x1000) - #define MPC86XX_RSTCR_OFFSET (0xe00b0) /* Reset Control Register */ #endif /* __MPC8641_HPCN_H__ */ diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c index ebae73eb0063..146da3001c67 100644 --- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c +++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c @@ -37,6 +37,14 @@ #include "mpc86xx.h" #include "mpc8641_hpcn.h" +#undef DEBUG + +#ifdef DEBUG +#define DBG(fmt...) do { printk(KERN_ERR fmt); } while(0) +#else +#define DBG(fmt...) do { } while(0) +#endif + #ifndef CONFIG_PCI unsigned long isa_io_base = 0; unsigned long isa_mem_base = 0; @@ -44,205 +52,215 @@ unsigned long pci_dram_offset = 0; #endif -/* - * Internal interrupts are all Level Sensitive, and Positive Polarity - */ - -static u_char mpc86xx_hpcn_openpic_initsenses[] __initdata = { - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 0: Reserved */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 1: MCM */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 2: DDR DRAM */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 3: LBIU */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 4: DMA 0 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 5: DMA 1 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 6: DMA 2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 7: DMA 3 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 8: PCIE1 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 9: PCIE2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 10: Reserved */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 11: Reserved */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 12: DUART2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 13: TSEC 1 Transmit */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 14: TSEC 1 Receive */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 15: TSEC 3 transmit */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 16: TSEC 3 receive */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 17: TSEC 3 error */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 18: TSEC 1 Receive/Transmit Error */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 19: TSEC 2 Transmit */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 20: TSEC 2 Receive */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 21: TSEC 4 transmit */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 22: TSEC 4 receive */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 23: TSEC 4 error */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 24: TSEC 2 Receive/Transmit Error */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 25: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 26: DUART1 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 27: I2C */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 28: Performance Monitor */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 29: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 30: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 31: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 32: SRIO error/write-port unit */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 33: SRIO outbound doorbell */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 34: SRIO inbound doorbell */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 35: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 36: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 37: SRIO outbound message unit 1 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 38: SRIO inbound message unit 1 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 39: SRIO outbound message unit 2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 40: SRIO inbound message unit 2 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 41: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 42: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 43: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 44: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 45: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 46: Unused */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* Internal 47: Unused */ - 0x0, /* External 0: */ - 0x0, /* External 1: */ - 0x0, /* External 2: */ - 0x0, /* External 3: */ - 0x0, /* External 4: */ - 0x0, /* External 5: */ - 0x0, /* External 6: */ - 0x0, /* External 7: */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 8: Pixis FPGA */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* External 9: ULI 8259 INTR Cascade */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* External 10: Quad ETH PHY */ - 0x0, /* External 11: */ - 0x0, - 0x0, - 0x0, - 0x0, -}; - +static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc, + struct pt_regs *regs) +{ + unsigned int cascade_irq = i8259_irq(regs); + if (cascade_irq != NO_IRQ) + generic_handle_irq(cascade_irq, regs); + desc->chip->eoi(irq); +} void __init mpc86xx_hpcn_init_irq(void) { struct mpic *mpic1; + struct device_node *np, *cascade_node = NULL; + int cascade_irq; phys_addr_t openpic_paddr; + np = of_find_node_by_type(NULL, "open-pic"); + if (np == NULL) + return; + /* Determine the Physical Address of the OpenPIC regs */ openpic_paddr = get_immrbase() + MPC86xx_OPENPIC_OFFSET; /* Alloc mpic structure and per isu has 16 INT entries. */ - mpic1 = mpic_alloc(openpic_paddr, + mpic1 = mpic_alloc(np, openpic_paddr, MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN, - 16, MPC86xx_OPENPIC_IRQ_OFFSET, 0, 250, - mpc86xx_hpcn_openpic_initsenses, - sizeof(mpc86xx_hpcn_openpic_initsenses), + 16, NR_IRQS - 4, " MPIC "); BUG_ON(mpic1 == NULL); + mpic_assign_isu(mpic1, 0, openpic_paddr + 0x10000); + /* 48 Internal Interrupts */ - mpic_assign_isu(mpic1, 0, openpic_paddr + 0x10200); - mpic_assign_isu(mpic1, 1, openpic_paddr + 0x10400); - mpic_assign_isu(mpic1, 2, openpic_paddr + 0x10600); + mpic_assign_isu(mpic1, 1, openpic_paddr + 0x10200); + mpic_assign_isu(mpic1, 2, openpic_paddr + 0x10400); + mpic_assign_isu(mpic1, 3, openpic_paddr + 0x10600); - /* 16 External interrupts */ - mpic_assign_isu(mpic1, 3, openpic_paddr + 0x10000); + /* 16 External interrupts + * Moving them from [0 - 15] to [64 - 79] + */ + mpic_assign_isu(mpic1, 4, openpic_paddr + 0x10000); mpic_init(mpic1); #ifdef CONFIG_PCI - mpic_setup_cascade(MPC86xx_IRQ_EXT9, i8259_irq_cascade, NULL); - i8259_init(0, I8259_OFFSET); -#endif -} + /* Initialize i8259 controller */ + for_each_node_by_type(np, "interrupt-controller") + if (device_is_compatible(np, "chrp,iic")) { + cascade_node = np; + break; + } + if (cascade_node == NULL) { + printk(KERN_DEBUG "mpc86xxhpcn: no ISA interrupt controller\n"); + return; + } + cascade_irq = irq_of_parse_and_map(cascade_node, 0); + if (cascade_irq == NO_IRQ) { + printk(KERN_ERR "mpc86xxhpcn: failed to map cascade interrupt"); + return; + } + DBG("mpc86xxhpcn: cascade mapped to irq %d\n", cascade_irq); + i8259_init(cascade_node, 0); + set_irq_chained_handler(cascade_irq, mpc86xx_8259_cascade); +#endif +} #ifdef CONFIG_PCI -/* - * interrupt routing - */ -int -mpc86xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) +enum pirq{PIRQA = 8, PIRQB, PIRQC, PIRQD, PIRQE, PIRQF, PIRQG, PIRQH}; +const unsigned char uli1575_irq_route_table[16] = { + 0, /* 0: Reserved */ + 0x8, /* 1: 0b1000 */ + 0, /* 2: Reserved */ + 0x2, /* 3: 0b0010 */ + 0x4, /* 4: 0b0100 */ + 0x5, /* 5: 0b0101 */ + 0x7, /* 6: 0b0111 */ + 0x6, /* 7: 0b0110 */ + 0, /* 8: Reserved */ + 0x1, /* 9: 0b0001 */ + 0x3, /* 10: 0b0011 */ + 0x9, /* 11: 0b1001 */ + 0xb, /* 12: 0b1011 */ + 0, /* 13: Reserved */ + 0xd, /* 14, 0b1101 */ + 0xf, /* 15, 0b1111 */ +}; + +static int __devinit +get_pci_irq_from_of(struct pci_controller *hose, int slot, int pin) { - static char pci_irq_table[][4] = { - /* - * PCI IDSEL/INTPIN->INTLINE - * A B C D - */ - {PIRQA, PIRQB, PIRQC, PIRQD}, /* IDSEL 17 -- PCI Slot 1 */ - {PIRQB, PIRQC, PIRQD, PIRQA}, /* IDSEL 18 -- PCI Slot 2 */ - {0, 0, 0, 0}, /* IDSEL 19 */ - {0, 0, 0, 0}, /* IDSEL 20 */ - {0, 0, 0, 0}, /* IDSEL 21 */ - {0, 0, 0, 0}, /* IDSEL 22 */ - {0, 0, 0, 0}, /* IDSEL 23 */ - {0, 0, 0, 0}, /* IDSEL 24 */ - {0, 0, 0, 0}, /* IDSEL 25 */ - {PIRQD, PIRQA, PIRQB, PIRQC}, /* IDSEL 26 -- PCI Bridge*/ - {PIRQC, 0, 0, 0}, /* IDSEL 27 -- LAN */ - {PIRQE, PIRQF, PIRQH, PIRQ7}, /* IDSEL 28 -- USB 1.1 */ - {PIRQE, PIRQF, PIRQG, 0}, /* IDSEL 29 -- Audio & Modem */ - {PIRQH, 0, 0, 0}, /* IDSEL 30 -- LPC & PMU*/ - {PIRQD, 0, 0, 0}, /* IDSEL 31 -- ATA */ - }; - - const long min_idsel = 17, max_idsel = 31, irqs_per_slot = 4; - return PCI_IRQ_TABLE_LOOKUP + I8259_OFFSET; + struct of_irq oirq; + u32 laddr[3]; + struct device_node *hosenode = hose ? hose->arch_data : NULL; + + if (!hosenode) return -EINVAL; + + laddr[0] = (hose->first_busno << 16) | (PCI_DEVFN(slot, 0) << 8); + laddr[1] = laddr[2] = 0; + of_irq_map_raw(hosenode, &pin, laddr, &oirq); + DBG("mpc86xx_hpcn: pci irq addr %x, slot %d, pin %d, irq %d\n", + laddr[0], slot, pin, oirq.specifier[0]); + return oirq.specifier[0]; } -static void __devinit quirk_ali1575(struct pci_dev *dev) +static void __devinit quirk_uli1575(struct pci_dev *dev) { unsigned short temp; + struct pci_controller *hose = pci_bus_to_host(dev->bus); + unsigned char irq2pin[16]; + unsigned long pirq_map_word = 0; + u32 irq; + int i; /* - * ALI1575 interrupts route table setup: + * ULI1575 interrupts route setup + */ + memset(irq2pin, 0, 16); /* Initialize default value 0 */ + + /* + * PIRQA -> PIRQD mapping read from OF-tree + * + * interrupts for PCI slot0 -- PIRQA / PIRQB / PIRQC / PIRQD + * PCI slot1 -- PIRQB / PIRQC / PIRQD / PIRQA + */ + for (i = 0; i < 4; i++){ + irq = get_pci_irq_from_of(hose, 17, i + 1); + if (irq > 0 && irq < 16) + irq2pin[irq] = PIRQA + i; + else + printk(KERN_WARNING "ULI1575 device" + "(slot %d, pin %d) irq %d is invalid.\n", + 17, i, irq); + } + + /* + * PIRQE -> PIRQF mapping set manually * * IRQ pin IRQ# - * PIRQA ---- 3 - * PIRQB ---- 4 - * PIRQC ---- 5 - * PIRQD ---- 6 * PIRQE ---- 9 * PIRQF ---- 10 * PIRQG ---- 11 * PIRQH ---- 12 - * - * interrupts for PCI slot0 -- PIRQA / PIRQB / PIRQC / PIRQD - * PCI slot1 -- PIRQB / PIRQC / PIRQD / PIRQA */ - pci_write_config_dword(dev, 0x48, 0xb9317542); + for (i = 0; i < 4; i++) irq2pin[i + 9] = PIRQE + i; + + /* Set IRQ-PIRQ Mapping to ULI1575 */ + for (i = 0; i < 16; i++) + if (irq2pin[i]) + pirq_map_word |= (uli1575_irq_route_table[i] & 0xf) + << ((irq2pin[i] - PIRQA) * 4); - /* USB 1.1 OHCI controller 1, interrupt: PIRQE */ - pci_write_config_byte(dev, 0x86, 0x0c); + /* ULI1575 IRQ mapping conf register default value is 0xb9317542 */ + DBG("Setup ULI1575 IRQ mapping configuration register value = 0x%x\n", + pirq_map_word); + pci_write_config_dword(dev, 0x48, pirq_map_word); - /* USB 1.1 OHCI controller 2, interrupt: PIRQF */ - pci_write_config_byte(dev, 0x87, 0x0d); +#define ULI1575_SET_DEV_IRQ(slot, pin, reg) \ + do { \ + int irq; \ + irq = get_pci_irq_from_of(hose, slot, pin); \ + if (irq > 0 && irq < 16) \ + pci_write_config_byte(dev, reg, irq2pin[irq]); \ + else \ + printk(KERN_WARNING "ULI1575 device" \ + "(slot %d, pin %d) irq %d is invalid.\n", \ + slot, pin, irq); \ + } while(0) - /* USB 1.1 OHCI controller 3, interrupt: PIRQH */ - pci_write_config_byte(dev, 0x88, 0x0f); + /* USB 1.1 OHCI controller 1, slot 28, pin 1 */ + ULI1575_SET_DEV_IRQ(28, 1, 0x86); - /* USB 2.0 controller, interrupt: PIRQ7 */ - pci_write_config_byte(dev, 0x74, 0x06); + /* USB 1.1 OHCI controller 2, slot 28, pin 2 */ + ULI1575_SET_DEV_IRQ(28, 2, 0x87); - /* Audio controller, interrupt: PIRQE */ - pci_write_config_byte(dev, 0x8a, 0x0c); + /* USB 1.1 OHCI controller 3, slot 28, pin 3 */ + ULI1575_SET_DEV_IRQ(28, 3, 0x88); - /* Modem controller, interrupt: PIRQF */ - pci_write_config_byte(dev, 0x8b, 0x0d); + /* USB 2.0 controller, slot 28, pin 4 */ + irq = get_pci_irq_from_of(hose, 28, 4); + if (irq >= 0 && irq <=15) + pci_write_config_dword(dev, 0x74, uli1575_irq_route_table[irq]); - /* HD audio controller, interrupt: PIRQG */ - pci_write_config_byte(dev, 0x8c, 0x0e); + /* Audio controller, slot 29, pin 1 */ + ULI1575_SET_DEV_IRQ(29, 1, 0x8a); - /* Serial ATA interrupt: PIRQD */ - pci_write_config_byte(dev, 0x8d, 0x0b); + /* Modem controller, slot 29, pin 2 */ + ULI1575_SET_DEV_IRQ(29, 2, 0x8b); - /* SMB interrupt: PIRQH */ - pci_write_config_byte(dev, 0x8e, 0x0f); + /* HD audio controller, slot 29, pin 3 */ + ULI1575_SET_DEV_IRQ(29, 3, 0x8c); - /* PMU ACPI SCI interrupt: PIRQH */ - pci_write_config_byte(dev, 0x8f, 0x0f); + /* SMB interrupt: slot 30, pin 1 */ + ULI1575_SET_DEV_IRQ(30, 1, 0x8e); + + /* PMU ACPI SCI interrupt: slot 30, pin 2 */ + ULI1575_SET_DEV_IRQ(30, 2, 0x8f); + + /* Serial ATA interrupt: slot 31, pin 1 */ + ULI1575_SET_DEV_IRQ(31, 1, 0x8d); /* Primary PATA IDE IRQ: 14 * Secondary PATA IDE IRQ: 15 */ - pci_write_config_byte(dev, 0x44, 0x3d); - pci_write_config_byte(dev, 0x75, 0x0f); + pci_write_config_byte(dev, 0x44, 0x30 | uli1575_irq_route_table[14]); + pci_write_config_byte(dev, 0x75, uli1575_irq_route_table[15]); /* Set IRQ14 and IRQ15 to legacy IRQs */ pci_read_config_word(dev, 0x46, &temp); @@ -264,6 +282,8 @@ static void __devinit quirk_ali1575(struct pci_dev *dev) */ outb(0xfa, 0x4d0); outb(0x1e, 0x4d1); + +#undef ULI1575_SET_DEV_IRQ } static void __devinit quirk_uli5288(struct pci_dev *dev) @@ -306,7 +326,7 @@ static void __devinit early_uli5249(struct pci_dev *dev) dev->class |= 0x1; } -DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_ali1575); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x1575, quirk_uli1575); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5288, quirk_uli5288); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_AL, 0x5229, quirk_uli5229); DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_AL, 0x5249, early_uli5249); @@ -337,8 +357,6 @@ mpc86xx_hpcn_setup_arch(void) for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;) add_bridge(np); - ppc_md.pci_swizzle = common_swizzle; - ppc_md.pci_map_irq = mpc86xx_map_irq; ppc_md.pci_exclude_device = mpc86xx_exclude_device; #endif @@ -377,6 +395,15 @@ mpc86xx_hpcn_show_cpuinfo(struct seq_file *m) } +void __init mpc86xx_hpcn_pcibios_fixup(void) +{ + struct pci_dev *dev = NULL; + + for_each_pci_dev(dev) + pci_read_irq_line(dev); +} + + /* * Called very early, device-tree isn't unflattened */ @@ -431,6 +458,7 @@ define_machine(mpc86xx_hpcn) { .setup_arch = mpc86xx_hpcn_setup_arch, .init_IRQ = mpc86xx_hpcn_init_irq, .show_cpuinfo = mpc86xx_hpcn_show_cpuinfo, + .pcibios_fixup = mpc86xx_hpcn_pcibios_fixup, .get_irq = mpic_get_irq, .restart = mpc86xx_restart, .time_init = mpc86xx_time_init, diff --git a/arch/powerpc/platforms/cell/interrupt.c b/arch/powerpc/platforms/cell/interrupt.c index 9d5da7896892..d7bbb61109f9 100644 --- a/arch/powerpc/platforms/cell/interrupt.c +++ b/arch/powerpc/platforms/cell/interrupt.c @@ -159,7 +159,7 @@ static void iic_request_ipi(int ipi, const char *name) if (iic_hosts[node] == NULL) continue; virq = irq_create_mapping(iic_hosts[node], - iic_ipi_to_irq(ipi), 0); + iic_ipi_to_irq(ipi)); if (virq == NO_IRQ) { printk(KERN_ERR "iic: failed to map IPI %s on node %d\n", @@ -197,7 +197,7 @@ static int iic_host_match(struct irq_host *h, struct device_node *node) } static int iic_host_map(struct irq_host *h, unsigned int virq, - irq_hw_number_t hw, unsigned int flags) + irq_hw_number_t hw) { if (hw < IIC_IRQ_IPI0) set_irq_chip_and_handler(virq, &iic_chip, handle_fasteoi_irq); diff --git a/arch/powerpc/platforms/cell/spider-pic.c b/arch/powerpc/platforms/cell/spider-pic.c index ae7ef88f1a37..15217bb0402f 100644 --- a/arch/powerpc/platforms/cell/spider-pic.c +++ b/arch/powerpc/platforms/cell/spider-pic.c @@ -85,9 +85,6 @@ static void spider_unmask_irq(unsigned int virq) struct spider_pic *pic = spider_virq_to_pic(virq); void __iomem *cfg = spider_get_irq_config(pic, irq_map[virq].hwirq); - /* We use no locking as we should be covered by the descriptor lock - * for access to invidual source configuration registers - */ out_be32(cfg, in_be32(cfg) | 0x30000000u); } @@ -96,9 +93,6 @@ static void spider_mask_irq(unsigned int virq) struct spider_pic *pic = spider_virq_to_pic(virq); void __iomem *cfg = spider_get_irq_config(pic, irq_map[virq].hwirq); - /* We use no locking as we should be covered by the descriptor lock - * for access to invidual source configuration registers - */ out_be32(cfg, in_be32(cfg) & ~0x30000000u); } @@ -120,26 +114,14 @@ static void spider_ack_irq(unsigned int virq) out_be32(pic->regs + TIR_EDC, 0x100 | (src & 0xf)); } -static struct irq_chip spider_pic = { - .typename = " SPIDER ", - .unmask = spider_unmask_irq, - .mask = spider_mask_irq, - .ack = spider_ack_irq, -}; - -static int spider_host_match(struct irq_host *h, struct device_node *node) -{ - struct spider_pic *pic = h->host_data; - return node == pic->of_node; -} - -static int spider_host_map(struct irq_host *h, unsigned int virq, - irq_hw_number_t hw, unsigned int flags) +static int spider_set_irq_type(unsigned int virq, unsigned int type) { - unsigned int sense = flags & IRQ_TYPE_SENSE_MASK; - struct spider_pic *pic = h->host_data; + unsigned int sense = type & IRQ_TYPE_SENSE_MASK; + struct spider_pic *pic = spider_virq_to_pic(virq); + unsigned int hw = irq_map[virq].hwirq; void __iomem *cfg = spider_get_irq_config(pic, hw); - int level = 0; + struct irq_desc *desc = get_irq_desc(virq); + u32 old_mask; u32 ic; /* Note that only level high is supported for most interrupts */ @@ -157,29 +139,57 @@ static int spider_host_map(struct irq_host *h, unsigned int virq, break; case IRQ_TYPE_LEVEL_LOW: ic = 0x0; - level = 1; break; case IRQ_TYPE_LEVEL_HIGH: case IRQ_TYPE_NONE: ic = 0x1; - level = 1; break; default: return -EINVAL; } + /* Update irq_desc */ + desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); + desc->status |= type & IRQ_TYPE_SENSE_MASK; + if (type & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) + desc->status |= IRQ_LEVEL; + /* Configure the source. One gross hack that was there before and * that I've kept around is the priority to the BE which I set to * be the same as the interrupt source number. I don't know wether * that's supposed to make any kind of sense however, we'll have to * decide that, but for now, I'm not changing the behaviour. */ - out_be32(cfg, (ic << 24) | (0x7 << 16) | (pic->node_id << 4) | 0xe); + old_mask = in_be32(cfg) & 0x30000000u; + out_be32(cfg, old_mask | (ic << 24) | (0x7 << 16) | + (pic->node_id << 4) | 0xe); out_be32(cfg + 4, (0x2 << 16) | (hw & 0xff)); - if (level) - get_irq_desc(virq)->status |= IRQ_LEVEL; + return 0; +} + +static struct irq_chip spider_pic = { + .typename = " SPIDER ", + .unmask = spider_unmask_irq, + .mask = spider_mask_irq, + .ack = spider_ack_irq, + .set_type = spider_set_irq_type, +}; + +static int spider_host_match(struct irq_host *h, struct device_node *node) +{ + struct spider_pic *pic = h->host_data; + return node == pic->of_node; +} + +static int spider_host_map(struct irq_host *h, unsigned int virq, + irq_hw_number_t hw) +{ set_irq_chip_and_handler(virq, &spider_pic, handle_level_irq); + + /* Set default irq type */ + set_irq_type(virq, IRQ_TYPE_NONE); + return 0; } @@ -283,7 +293,7 @@ static unsigned int __init spider_find_cascade_and_node(struct spider_pic *pic) if (iic_host == NULL) return NO_IRQ; /* Manufacture an IIC interrupt number of class 2 */ - virq = irq_create_mapping(iic_host, 0x20 | unit, 0); + virq = irq_create_mapping(iic_host, 0x20 | unit); if (virq == NO_IRQ) printk(KERN_ERR "spider_pic: failed to map cascade !"); return virq; diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c index 5d2313a6c82b..d06042deb021 100644 --- a/arch/powerpc/platforms/cell/spu_base.c +++ b/arch/powerpc/platforms/cell/spu_base.c @@ -583,9 +583,9 @@ static int __init spu_map_interrupts(struct spu *spu, struct device_node *np) spu->isrc = isrc = tmp[0]; /* Now map interrupts of all 3 classes */ - spu->irqs[0] = irq_create_mapping(host, 0x00 | isrc, 0); - spu->irqs[1] = irq_create_mapping(host, 0x10 | isrc, 0); - spu->irqs[2] = irq_create_mapping(host, 0x20 | isrc, 0); + spu->irqs[0] = irq_create_mapping(host, 0x00 | isrc); + spu->irqs[1] = irq_create_mapping(host, 0x10 | isrc); + spu->irqs[2] = irq_create_mapping(host, 0x20 | isrc); /* Right now, we only fail if class 2 failed */ return spu->irqs[2] == NO_IRQ ? -EINVAL : 0; diff --git a/arch/powerpc/platforms/chrp/setup.c b/arch/powerpc/platforms/chrp/setup.c index 538e337d63e2..9c08ff322290 100644 --- a/arch/powerpc/platforms/chrp/setup.c +++ b/arch/powerpc/platforms/chrp/setup.c @@ -291,10 +291,6 @@ void __init chrp_setup_arch(void) pci_create_OF_bus_map(); -#ifdef CONFIG_SMP - smp_ops = &chrp_smp_ops; -#endif /* CONFIG_SMP */ - /* * Print the banner, then scroll down so boot progress * can be printed. -- Cort @@ -479,6 +475,14 @@ void __init chrp_init_IRQ(void) chrp_find_openpic(); chrp_find_8259(); +#ifdef CONFIG_SMP + /* Pegasos has no MPIC, those ops would make it crash. It might be an + * option to move setting them to after we probe the PIC though + */ + if (chrp_mpic != NULL) + smp_ops = &chrp_smp_ops; +#endif /* CONFIG_SMP */ + if (_chrp_type == _CHRP_Pegasos) ppc_md.get_irq = i8259_irq; diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c index d7a4fc7ca238..ed00ed2455dd 100644 --- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c +++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c @@ -1,7 +1,7 @@ /* * mpc7448_hpc2.c * - * Board setup routines for the Freescale Taiga platform + * Board setup routines for the Freescale mpc7448hpc2(taiga) platform * * Author: Jacob Pan * jacob.pan@freescale.com @@ -12,10 +12,10 @@ * * Copyright 2004-2006 Freescale Semiconductor, Inc. * - * This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. */ #include <linux/config.h> @@ -62,43 +62,8 @@ pci_dram_offset = MPC7448_HPC2_PCI_MEM_OFFSET; extern int tsi108_setup_pci(struct device_node *dev); extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val); extern void tsi108_pci_int_init(void); -extern int tsi108_irq_cascade(struct pt_regs *regs, void *unused); - -/* - * Define all of the IRQ senses and polarities. Taken from the - * mpc7448hpc manual. - * Note: Likely, this table and the following function should be - * obtained and derived from the OF Device Tree. - */ - -static u_char mpc7448_hpc2_pic_initsenses[] __initdata = { - /* External on-board sources */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[0] XINT0 from FPGA */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[1] XINT1 from FPGA */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[2] PHY_INT from both GIGE */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* INT[3] RESERVED */ - /* Internal Tsi108/109 interrupt sources */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA0 */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA1 */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA2 */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* DMA3 */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* UART0 */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* UART1 */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* I2C */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* GPIO */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* GIGE0 */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* GIGE1 */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* HLP */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* SDC */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Processor IF */ - (IRQ_SENSE_EDGE | IRQ_POLARITY_POSITIVE), /* Reserved IRQ */ - (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* PCI/X block */ -}; +extern void tsi108_irq_cascade(unsigned int irq, struct irq_desc *desc, + struct pt_regs *regs); int mpc7448_hpc2_exclude_device(u_char bus, u_char devfn) { @@ -229,6 +194,8 @@ static void __init mpc7448_hpc2_init_IRQ(void) { struct mpic *mpic; phys_addr_t mpic_paddr = 0; + unsigned int cascade_pci_irq; + struct device_node *tsi_pci; struct device_node *tsi_pic; tsi_pic = of_find_node_by_type(NULL, "open-pic"); @@ -246,24 +213,31 @@ static void __init mpc7448_hpc2_init_IRQ(void) DBG("%s: tsi108pic phys_addr = 0x%x\n", __FUNCTION__, (u32) mpic_paddr); - mpic = mpic_alloc(mpic_paddr, + mpic = mpic_alloc(tsi_pic, mpic_paddr, MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET | MPIC_SPV_EOI | MPIC_MOD_ID(MPIC_ID_TSI108), 0, /* num_sources used */ - TSI108_IRQ_BASE, 0, /* num_sources used */ - NR_IRQS - 4 /* XXXX */, - mpc7448_hpc2_pic_initsenses, - sizeof(mpc7448_hpc2_pic_initsenses), "Tsi108_PIC"); + "Tsi108_PIC"); BUG_ON(mpic == NULL); /* XXXX */ - mpic_init(mpic); - mpic_setup_cascade(IRQ_TSI108_PCI, tsi108_irq_cascade, mpic); + + tsi_pci = of_find_node_by_type(NULL, "pci"); + if (tsi_pci == 0) { + printk("%s: No tsi108 pci node found !\n", __FUNCTION__); + return; + } + + cascade_pci_irq = irq_of_parse_and_map(tsi_pci, 0); + set_irq_data(cascade_pci_irq, mpic); + set_irq_chained_handler(cascade_pci_irq, tsi108_irq_cascade); + tsi108_pci_int_init(); /* Configure MPIC outputs to CPU0 */ tsi108_write_reg(TSI108_MPIC_OFFSET + 0x30c, 0); + of_node_put(tsi_pic); } void mpc7448_hpc2_show_cpuinfo(struct seq_file *m) @@ -320,6 +294,7 @@ static int mpc7448_machine_check_exception(struct pt_regs *regs) return 0; } + define_machine(mpc7448_hpc2){ .name = "MPC7448 HPC2", .probe = mpc7448_hpc2_probe, diff --git a/arch/powerpc/platforms/iseries/irq.c b/arch/powerpc/platforms/iseries/irq.c index 2275e64f3152..e32446877e78 100644 --- a/arch/powerpc/platforms/iseries/irq.c +++ b/arch/powerpc/platforms/iseries/irq.c @@ -300,7 +300,7 @@ int __init iSeries_allocate_IRQ(HvBusNumber bus, realirq = (((((sub_bus << 8) + (bus - 1)) << 3) + (idsel - 1)) << 3) + function; - return irq_create_mapping(NULL, realirq, IRQ_TYPE_NONE); + return irq_create_mapping(NULL, realirq); } #endif /* CONFIG_PCI */ @@ -341,7 +341,7 @@ unsigned int iSeries_get_irq(struct pt_regs *regs) } static int iseries_irq_host_map(struct irq_host *h, unsigned int virq, - irq_hw_number_t hw, unsigned int flags) + irq_hw_number_t hw) { set_irq_chip_and_handler(virq, &iseries_pic, handle_fasteoi_irq); diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c index cb528c9de4c3..57567dfb9819 100644 --- a/arch/powerpc/platforms/maple/setup.c +++ b/arch/powerpc/platforms/maple/setup.c @@ -221,10 +221,17 @@ static void __init maple_init_IRQ(void) * in Maple device-tree where the type of the controller is * open-pic and not interrupt-controller */ - for_each_node_by_type(np, "open-pic") { - mpic_node = np; - break; - } + + for_each_node_by_type(np, "interrupt-controller") + if (device_is_compatible(np, "open-pic")) { + mpic_node = np; + break; + } + if (mpic_node == NULL) + for_each_node_by_type(np, "open-pic") { + mpic_node = np; + break; + } if (mpic_node == NULL) { printk(KERN_ERR "Failed to locate the MPIC interrupt controller\n"); @@ -252,6 +259,8 @@ static void __init maple_init_IRQ(void) /* XXX Maple specific bits */ flags |= MPIC_BROKEN_U3 | MPIC_WANTS_RESET; + /* All U3/U4 are big-endian, older SLOF firmware doesn't encode this */ + flags |= MPIC_BIG_ENDIAN; /* Setup the openpic driver. More device-tree junks, we hard code no * ISUs for now. I'll have to revisit some stuffs with the folks doing diff --git a/arch/powerpc/platforms/powermac/backlight.c b/arch/powerpc/platforms/powermac/backlight.c index 69f65e215a5c..d66415491055 100644 --- a/arch/powerpc/platforms/powermac/backlight.c +++ b/arch/powerpc/platforms/powermac/backlight.c @@ -10,11 +10,33 @@ #include <linux/kernel.h> #include <linux/fb.h> #include <linux/backlight.h> +#include <linux/adb.h> +#include <linux/pmu.h> +#include <asm/atomic.h> #include <asm/prom.h> #include <asm/backlight.h> #define OLD_BACKLIGHT_MAX 15 +static void pmac_backlight_key_worker(void *data); +static void pmac_backlight_set_legacy_worker(void *data); + +static DECLARE_WORK(pmac_backlight_key_work, pmac_backlight_key_worker, NULL); +static DECLARE_WORK(pmac_backlight_set_legacy_work, pmac_backlight_set_legacy_worker, NULL); + +/* Although these variables are used in interrupt context, it makes no sense to + * protect them. No user is able to produce enough key events per second and + * notice the errors that might happen. + */ +static int pmac_backlight_key_queued; +static int pmac_backlight_set_legacy_queued; + +/* The via-pmu code allows the backlight to be grabbed, in which case the + * in-kernel control of the brightness needs to be disabled. This should + * only be used by really old PowerBooks. + */ +static atomic_t kernel_backlight_disabled = ATOMIC_INIT(0); + /* Protect the pmac_backlight variable */ DEFINE_MUTEX(pmac_backlight_mutex); @@ -71,8 +93,11 @@ int pmac_backlight_curve_lookup(struct fb_info *info, int value) return level; } -static void pmac_backlight_key(int direction) +static void pmac_backlight_key_worker(void *data) { + if (atomic_read(&kernel_backlight_disabled)) + return; + mutex_lock(&pmac_backlight_mutex); if (pmac_backlight) { struct backlight_properties *props; @@ -82,7 +107,8 @@ static void pmac_backlight_key(int direction) props = pmac_backlight->props; brightness = props->brightness + - ((direction?-1:1) * (props->max_brightness / 15)); + ((pmac_backlight_key_queued?-1:1) * + (props->max_brightness / 15)); if (brightness < 0) brightness = 0; @@ -97,17 +123,20 @@ static void pmac_backlight_key(int direction) mutex_unlock(&pmac_backlight_mutex); } -void pmac_backlight_key_up() +/* This function is called in interrupt context */ +void pmac_backlight_key(int direction) { - pmac_backlight_key(0); + if (atomic_read(&kernel_backlight_disabled)) + return; + + /* we can receive multiple interrupts here, but the scheduled work + * will run only once, with the last value + */ + pmac_backlight_key_queued = direction; + schedule_work(&pmac_backlight_key_work); } -void pmac_backlight_key_down() -{ - pmac_backlight_key(1); -} - -int pmac_backlight_set_legacy_brightness(int brightness) +static int __pmac_backlight_set_legacy_brightness(int brightness) { int error = -ENXIO; @@ -136,6 +165,28 @@ int pmac_backlight_set_legacy_brightness(int brightness) return error; } +static void pmac_backlight_set_legacy_worker(void *data) +{ + if (atomic_read(&kernel_backlight_disabled)) + return; + + __pmac_backlight_set_legacy_brightness(pmac_backlight_set_legacy_queued); +} + +/* This function is called in interrupt context */ +void pmac_backlight_set_legacy_brightness_pmu(int brightness) { + if (atomic_read(&kernel_backlight_disabled)) + return; + + pmac_backlight_set_legacy_queued = brightness; + schedule_work(&pmac_backlight_set_legacy_work); +} + +int pmac_backlight_set_legacy_brightness(int brightness) +{ + return __pmac_backlight_set_legacy_brightness(brightness); +} + int pmac_backlight_get_legacy_brightness() { int result = -ENXIO; @@ -157,3 +208,17 @@ int pmac_backlight_get_legacy_brightness() return result; } + +void pmac_backlight_disable() +{ + atomic_inc(&kernel_backlight_disabled); +} + +void pmac_backlight_enable() +{ + atomic_dec(&kernel_backlight_disabled); +} + +EXPORT_SYMBOL_GPL(pmac_backlight); +EXPORT_SYMBOL_GPL(pmac_backlight_mutex); +EXPORT_SYMBOL_GPL(pmac_has_backlight_type); diff --git a/arch/powerpc/platforms/powermac/bootx_init.c b/arch/powerpc/platforms/powermac/bootx_init.c index 871b002c9f90..9d73d0234c5d 100644 --- a/arch/powerpc/platforms/powermac/bootx_init.c +++ b/arch/powerpc/platforms/powermac/bootx_init.c @@ -181,13 +181,18 @@ static void __init bootx_add_chosen_props(unsigned long base, } static void __init bootx_add_display_props(unsigned long base, - unsigned long *mem_end) + unsigned long *mem_end, + int has_real_node) { boot_infos_t *bi = bootx_info; u32 tmp; - bootx_dt_add_prop("linux,boot-display", NULL, 0, mem_end); - bootx_dt_add_prop("linux,opened", NULL, 0, mem_end); + if (has_real_node) { + bootx_dt_add_prop("linux,boot-display", NULL, 0, mem_end); + bootx_dt_add_prop("linux,opened", NULL, 0, mem_end); + } else + bootx_dt_add_prop("linux,bootx-noscreen", NULL, 0, mem_end); + tmp = bi->dispDeviceDepth; bootx_dt_add_prop("linux,bootx-depth", &tmp, 4, mem_end); tmp = bi->dispDeviceRect[2] - bi->dispDeviceRect[0]; @@ -241,11 +246,6 @@ static void __init bootx_scan_dt_build_strings(unsigned long base, DBG(" detected display ! adding properties names !\n"); bootx_dt_add_string("linux,boot-display", mem_end); bootx_dt_add_string("linux,opened", mem_end); - bootx_dt_add_string("linux,bootx-depth", mem_end); - bootx_dt_add_string("linux,bootx-width", mem_end); - bootx_dt_add_string("linux,bootx-height", mem_end); - bootx_dt_add_string("linux,bootx-linebytes", mem_end); - bootx_dt_add_string("linux,bootx-addr", mem_end); strncpy(bootx_disp_path, namep, 255); } @@ -329,10 +329,13 @@ static void __init bootx_scan_dt_build_struct(unsigned long base, ppp = &pp->next; } - if (node == bootx_node_chosen) + if (node == bootx_node_chosen) { bootx_add_chosen_props(base, mem_end); - if (node == bootx_info->dispDeviceRegEntryOffset) - bootx_add_display_props(base, mem_end); + if (bootx_info->dispDeviceRegEntryOffset == 0) + bootx_add_display_props(base, mem_end, 0); + } + else if (node == bootx_info->dispDeviceRegEntryOffset) + bootx_add_display_props(base, mem_end, 1); /* do all our children */ cpp = &np->child; @@ -374,6 +377,14 @@ static unsigned long __init bootx_flatten_dt(unsigned long start) mem_end += 4; bootx_dt_strend = mem_end; bootx_scan_dt_build_strings(base, 4, &mem_end); + /* Add some strings */ + bootx_dt_add_string("linux,bootx-noscreen", &mem_end); + bootx_dt_add_string("linux,bootx-depth", &mem_end); + bootx_dt_add_string("linux,bootx-width", &mem_end); + bootx_dt_add_string("linux,bootx-height", &mem_end); + bootx_dt_add_string("linux,bootx-linebytes", &mem_end); + bootx_dt_add_string("linux,bootx-addr", &mem_end); + /* Wrap up strings */ hdr->off_dt_strings = bootx_dt_strbase - mem_start; hdr->dt_strings_size = bootx_dt_strend - bootx_dt_strbase; @@ -400,8 +411,15 @@ static unsigned long __init bootx_flatten_dt(unsigned long start) DBG("End of boot params: %x\n", mem_end); rsvmap[0] = mem_start; rsvmap[1] = mem_end; - rsvmap[2] = 0; - rsvmap[3] = 0; + if (bootx_info->ramDisk) { + rsvmap[2] = ((unsigned long)bootx_info) + bootx_info->ramDisk; + rsvmap[3] = rsvmap[2] + bootx_info->ramDiskSize; + rsvmap[4] = 0; + rsvmap[5] = 0; + } else { + rsvmap[2] = 0; + rsvmap[3] = 0; + } return (unsigned long)hdr; } @@ -471,6 +489,7 @@ void __init bootx_init(unsigned long r3, unsigned long r4) if (bi->dispDeviceDepth == 16) bi->dispDeviceDepth = 15; + #ifdef CONFIG_BOOTX_TEXT ptr = (unsigned long)bi->logicalDisplayBase; ptr += bi->dispDeviceRect[1] * bi->dispDeviceRowBytes; @@ -508,6 +527,7 @@ void __init bootx_init(unsigned long r3, unsigned long r4) #ifdef CONFIG_BOOTX_TEXT btext_welcome(bi); #endif + /* New BootX enters kernel with MMU off, i/os are not allowed * here. This hack will have been done by the boostrap anyway. */ @@ -530,12 +550,12 @@ void __init bootx_init(unsigned long r3, unsigned long r4) */ if (bi->version < 5) { space = bi->deviceTreeOffset + bi->deviceTreeSize; - if (bi->ramDisk) + if (bi->ramDisk >= space) space = bi->ramDisk + bi->ramDiskSize; } else space = bi->totalParamsSize; - bootx_printf("Total space used by parameters & ramdisk: %x \n", space); + bootx_printf("Total space used by parameters & ramdisk: 0x%x \n", space); /* New BootX will have flushed all TLBs and enters kernel with * MMU switched OFF, so this should not be useful anymore. diff --git a/arch/powerpc/platforms/powermac/cpufreq_64.c b/arch/powerpc/platforms/powermac/cpufreq_64.c index f08a14516139..7b1156ea5341 100644 --- a/arch/powerpc/platforms/powermac/cpufreq_64.c +++ b/arch/powerpc/platforms/powermac/cpufreq_64.c @@ -10,6 +10,8 @@ * that is iMac G5 and latest single CPU desktop. */ +#undef DEBUG + #include <linux/module.h> #include <linux/types.h> #include <linux/errno.h> @@ -30,13 +32,7 @@ #include <asm/smu.h> #include <asm/pmac_pfunc.h> -#undef DEBUG - -#ifdef DEBUG -#define DBG(fmt...) printk(fmt) -#else -#define DBG(fmt...) -#endif +#define DBG(fmt...) pr_debug(fmt) /* see 970FX user manual */ @@ -82,8 +78,6 @@ static struct freq_attr* g5_cpu_freqs_attr[] = { /* Power mode data is an array of the 32 bits PCR values to use for * the various frequencies, retrieved from the device-tree */ -static u32 *g5_pmode_data; -static int g5_pmode_max; static int g5_pmode_cur; static void (*g5_switch_volt)(int speed_mode); @@ -93,6 +87,11 @@ static int (*g5_query_freq)(void); static DEFINE_MUTEX(g5_switch_mutex); +#ifdef CONFIG_PMAC_SMU + +static u32 *g5_pmode_data; +static int g5_pmode_max; + static struct smu_sdbp_fvt *g5_fvt_table; /* table of op. points */ static int g5_fvt_count; /* number of op. points */ static int g5_fvt_cur; /* current op. point */ @@ -210,6 +209,16 @@ static int g5_scom_query_freq(void) } /* + * Fake voltage switching for platforms with missing support + */ + +static void g5_dummy_switch_volt(int speed_mode) +{ +} + +#endif /* CONFIG_PMAC_SMU */ + +/* * Platform function based voltage switching for PowerMac7,2 & 7,3 */ @@ -248,6 +257,9 @@ static int g5_pfunc_switch_freq(int speed_mode) struct pmf_args args; u32 done = 0; unsigned long timeout; + int rc; + + DBG("g5_pfunc_switch_freq(%d)\n", speed_mode); /* If frequency is going up, first ramp up the voltage */ if (speed_mode < g5_pmode_cur) @@ -255,9 +267,12 @@ static int g5_pfunc_switch_freq(int speed_mode) /* Do it */ if (speed_mode == CPUFREQ_HIGH) - pmf_call_one(pfunc_cpu_setfreq_high, NULL); + rc = pmf_call_one(pfunc_cpu_setfreq_high, NULL); else - pmf_call_one(pfunc_cpu_setfreq_low, NULL); + rc = pmf_call_one(pfunc_cpu_setfreq_low, NULL); + + if (rc) + printk(KERN_WARNING "cpufreq: pfunc switch error %d\n", rc); /* It's an irq GPIO so we should be able to just block here, * I'll do that later after I've properly tested the IRQ code for @@ -296,13 +311,6 @@ static int g5_pfunc_query_freq(void) return val ? CPUFREQ_HIGH : CPUFREQ_LOW; } -/* - * Fake voltage switching for platforms with missing support - */ - -static void g5_dummy_switch_volt(int speed_mode) -{ -} /* * Common interface to the cpufreq core @@ -375,6 +383,8 @@ static struct cpufreq_driver g5_cpufreq_driver = { }; +#ifdef CONFIG_PMAC_SMU + static int __init g5_neo2_cpufreq_init(struct device_node *cpus) { struct device_node *cpunode; @@ -525,6 +535,9 @@ static int __init g5_neo2_cpufreq_init(struct device_node *cpus) return rc; } +#endif /* CONFIG_PMAC_SMU */ + + static int __init g5_pm72_cpufreq_init(struct device_node *cpus) { struct device_node *cpuid = NULL, *hwclock = NULL, *cpunode = NULL; @@ -533,6 +546,9 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpus) u64 max_freq, min_freq, ih, il; int has_volt = 1, rc = 0; + DBG("cpufreq: Initializing for PowerMac7,2, PowerMac7,3 and" + " RackMac3,1...\n"); + /* Get first CPU node */ for (cpunode = NULL; (cpunode = of_get_next_child(cpus, cpunode)) != NULL;) { @@ -636,6 +652,15 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpus) */ ih = *((u32 *)(eeprom + 0x10)); il = *((u32 *)(eeprom + 0x20)); + + /* Check for machines with no useful settings */ + if (il == ih) { + printk(KERN_WARNING "cpufreq: No low frequency mode available" + " on this model !\n"); + rc = -ENODEV; + goto bail; + } + min_freq = 0; if (ih != 0 && il != 0) min_freq = (max_freq * il) / ih; @@ -643,7 +668,7 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpus) /* Sanity check */ if (min_freq >= max_freq || min_freq < 1000) { printk(KERN_ERR "cpufreq: Can't calculate low frequency !\n"); - rc = -ENODEV; + rc = -ENXIO; goto bail; } g5_cpu_freqs[0].frequency = max_freq; @@ -690,16 +715,10 @@ static int __init g5_pm72_cpufreq_init(struct device_node *cpus) return rc; } -static int __init g5_rm31_cpufreq_init(struct device_node *cpus) -{ - /* NYI */ - return 0; -} - static int __init g5_cpufreq_init(void) { struct device_node *cpus; - int rc; + int rc = 0; cpus = of_find_node_by_path("/cpus"); if (cpus == NULL) { @@ -708,12 +727,13 @@ static int __init g5_cpufreq_init(void) } if (machine_is_compatible("PowerMac7,2") || - machine_is_compatible("PowerMac7,3")) + machine_is_compatible("PowerMac7,3") || + machine_is_compatible("RackMac3,1")) rc = g5_pm72_cpufreq_init(cpus); - else if (machine_is_compatible("RackMac3,1")) - rc = g5_rm31_cpufreq_init(cpus); +#ifdef CONFIG_PMAC_SMU else rc = g5_neo2_cpufreq_init(cpus); +#endif /* CONFIG_PMAC_SMU */ of_node_put(cpus); return rc; diff --git a/arch/powerpc/platforms/powermac/pci.c b/arch/powerpc/platforms/powermac/pci.c index 556b349797e8..205d04471161 100644 --- a/arch/powerpc/platforms/powermac/pci.c +++ b/arch/powerpc/platforms/powermac/pci.c @@ -16,6 +16,7 @@ #include <linux/string.h> #include <linux/init.h> #include <linux/bootmem.h> +#include <linux/irq.h> #include <asm/sections.h> #include <asm/io.h> @@ -24,10 +25,7 @@ #include <asm/machdep.h> #include <asm/pmac_feature.h> #include <asm/grackle.h> -#ifdef CONFIG_PPC64 -//#include <asm/iommu.h> #include <asm/ppc-pci.h> -#endif #undef DEBUG @@ -46,7 +44,6 @@ static int has_uninorth; static struct pci_controller *u3_agp; static struct pci_controller *u4_pcie; static struct pci_controller *u3_ht; -#define has_second_ohare 0 #else static int has_second_ohare; #endif /* CONFIG_PPC64 */ @@ -993,6 +990,7 @@ void __init pmac_pcibios_fixup(void) /* Read interrupt from the device-tree */ pci_read_irq_line(dev); +#ifdef CONFIG_PPC32 /* Fixup interrupt for the modem/ethernet combo controller. * on machines with a second ohare chip. * The number in the device tree (27) is bogus (correct for @@ -1002,8 +1000,11 @@ void __init pmac_pcibios_fixup(void) */ if (has_second_ohare && dev->vendor == PCI_VENDOR_ID_DEC && - dev->device == PCI_DEVICE_ID_DEC_TULIP_PLUS) - dev->irq = irq_create_mapping(NULL, 60, 0); + dev->device == PCI_DEVICE_ID_DEC_TULIP_PLUS) { + dev->irq = irq_create_mapping(NULL, 60); + set_irq_type(dev->irq, IRQ_TYPE_LEVEL_LOW); + } +#endif /* CONFIG_PPC32 */ } } diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 3d328bc1f7e0..060789e31c67 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -291,7 +291,7 @@ static int pmac_pic_host_match(struct irq_host *h, struct device_node *node) } static int pmac_pic_host_map(struct irq_host *h, unsigned int virq, - irq_hw_number_t hw, unsigned int flags) + irq_hw_number_t hw) { struct irq_desc *desc = get_irq_desc(virq); int level; @@ -318,6 +318,7 @@ static int pmac_pic_host_xlate(struct irq_host *h, struct device_node *ct, unsigned int *out_flags) { + *out_flags = IRQ_TYPE_NONE; *out_hwirq = *intspec; return 0; } @@ -434,7 +435,7 @@ static void __init pmac_pic_probe_oldstyle(void) printk(KERN_INFO "irq: System has %d possible interrupts\n", max_irqs); #ifdef CONFIG_XMON - setup_irq(irq_create_mapping(NULL, 20, 0), &xmon_action); + setup_irq(irq_create_mapping(NULL, 20), &xmon_action); #endif } #endif /* CONFIG_PPC32 */ @@ -579,9 +580,10 @@ void __init pmac_pic_init(void) flags |= OF_IMAP_OLDWORLD_MAC; if (get_property(of_chosen, "linux,bootx", NULL) != NULL) flags |= OF_IMAP_NO_PHANDLE; - of_irq_map_init(flags); #endif /* CONFIG_PPC_32 */ + of_irq_map_init(flags); + /* We first try to detect Apple's new Core99 chipset, since mac-io * is quite different on those machines and contains an IBM MPIC2. */ diff --git a/arch/powerpc/platforms/pseries/ras.c b/arch/powerpc/platforms/pseries/ras.c index 9df783088b61..c7ffde1a614e 100644 --- a/arch/powerpc/platforms/pseries/ras.c +++ b/arch/powerpc/platforms/pseries/ras.c @@ -93,8 +93,7 @@ static void request_ras_irqs(struct device_node *np, for (i = 0; i < opicplen; i++) { if (count > 15) break; - virqs[count] = irq_create_mapping(NULL, *(opicprop++), - IRQ_TYPE_NONE); + virqs[count] = irq_create_mapping(NULL, *(opicprop++)); if (virqs[count] == NO_IRQ) printk(KERN_ERR "Unable to allocate interrupt " "number for %s\n", np->full_name); diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c index 54a52437265c..31867a701fcb 100644 --- a/arch/powerpc/platforms/pseries/setup.c +++ b/arch/powerpc/platforms/pseries/setup.c @@ -213,8 +213,6 @@ static void pseries_lpar_enable_pmcs(void) { unsigned long set, reset; - power4_enable_pmcs(); - set = 1UL << 63; reset = 0; plpar_hcall_norets(H_PERFMON, set, reset); @@ -501,7 +499,8 @@ static void pseries_dedicated_idle_sleep(void) } /* - * Cede if the other thread is not idle, so that it can + * If not SMT, cede processor. If CPU is running SMT + * cede if the other thread is not idle, so that it can * go single-threaded. If the other thread is idle, * we ask the hypervisor if it has pending work it * wants to do and cede if it does. Otherwise we keep @@ -514,7 +513,8 @@ static void pseries_dedicated_idle_sleep(void) * very low priority. The cede enables interrupts, which * doesn't matter here. */ - if (!lppaca[cpu ^ 1].idle || poll_pending() == H_PENDING) + if (!cpu_has_feature(CPU_FTR_SMT) || !lppaca[cpu ^ 1].idle + || poll_pending() == H_PENDING) cede_processor(); out: diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c index 716972aa9777..e98863025721 100644 --- a/arch/powerpc/platforms/pseries/xics.c +++ b/arch/powerpc/platforms/pseries/xics.c @@ -467,7 +467,7 @@ void xics_setup_cpu(void) * * XXX: undo of teardown on kexec needs this too, as may hotplug */ - rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE, + rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, (1UL << interrupt_server_size) - 1 - default_distrib_server, 1); } @@ -502,16 +502,9 @@ static int xics_host_match(struct irq_host *h, struct device_node *node) } static int xics_host_map_direct(struct irq_host *h, unsigned int virq, - irq_hw_number_t hw, unsigned int flags) + irq_hw_number_t hw) { - unsigned int sense = flags & IRQ_TYPE_SENSE_MASK; - - pr_debug("xics: map_direct virq %d, hwirq 0x%lx, flags: 0x%x\n", - virq, hw, flags); - - if (sense && sense != IRQ_TYPE_LEVEL_LOW) - printk(KERN_WARNING "xics: using unsupported sense 0x%x" - " for irq %d (h: 0x%lx)\n", flags, virq, hw); + pr_debug("xics: map_direct virq %d, hwirq 0x%lx\n", virq, hw); get_irq_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_and_handler(virq, &xics_pic_direct, handle_fasteoi_irq); @@ -519,16 +512,9 @@ static int xics_host_map_direct(struct irq_host *h, unsigned int virq, } static int xics_host_map_lpar(struct irq_host *h, unsigned int virq, - irq_hw_number_t hw, unsigned int flags) + irq_hw_number_t hw) { - unsigned int sense = flags & IRQ_TYPE_SENSE_MASK; - - pr_debug("xics: map_lpar virq %d, hwirq 0x%lx, flags: 0x%x\n", - virq, hw, flags); - - if (sense && sense != IRQ_TYPE_LEVEL_LOW) - printk(KERN_WARNING "xics: using unsupported sense 0x%x" - " for irq %d (h: 0x%lx)\n", flags, virq, hw); + pr_debug("xics: map_direct virq %d, hwirq 0x%lx\n", virq, hw); get_irq_desc(virq)->status |= IRQ_LEVEL; set_irq_chip_and_handler(virq, &xics_pic_lpar, handle_fasteoi_irq); @@ -757,7 +743,7 @@ void xics_request_IPIs(void) { unsigned int ipi; - ipi = irq_create_mapping(xics_host, XICS_IPI, 0); + ipi = irq_create_mapping(xics_host, XICS_IPI); BUG_ON(ipi == NO_IRQ); /* @@ -783,6 +769,14 @@ void xics_teardown_cpu(int secondary) xics_set_cpu_priority(cpu, 0); /* + * Clear IPI + */ + if (firmware_has_feature(FW_FEATURE_LPAR)) + lpar_qirr_info(cpu, 0xff); + else + direct_qirr_info(cpu, 0xff); + + /* * we need to EOI the IPI if we got here from kexec down IPI * * probably need to check all the other interrupts too @@ -795,14 +789,14 @@ void xics_teardown_cpu(int secondary) return; desc = get_irq_desc(ipi); if (desc->chip && desc->chip->eoi) - desc->chip->eoi(XICS_IPI); + desc->chip->eoi(ipi); /* * Some machines need to have at least one cpu in the GIQ, * so leave the master cpu in the group. */ if (secondary) - rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE, + rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, (1UL << interrupt_server_size) - 1 - default_distrib_server, 0); } @@ -819,7 +813,7 @@ void xics_migrate_irqs_away(void) xics_set_cpu_priority(cpu, 0); /* remove ourselves from the global interrupt queue */ - status = rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE, + status = rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE, (1UL << interrupt_server_size) - 1 - default_distrib_server, 0); WARN_ON(status < 0); |