diff options
Diffstat (limited to 'arch/sh/drivers/pci')
| -rw-r--r-- | arch/sh/drivers/pci/fixups-dreamcast.c | 20 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/fixups-landisk.c | 3 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/fixups-r7780rp.c | 7 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/fixups-sdk7780.c | 18 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/fixups-sdk7786.c | 4 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/fixups-se7751.c | 5 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/fixups-sh03.c | 19 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/fixups-snapgear.c | 11 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pci-sh7780.c | 15 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pci.c | 101 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pcie-sh7786.c | 9 | ||||
| -rw-r--r-- | arch/sh/drivers/pci/pcie-sh7786.h | 3 |
12 files changed, 87 insertions, 128 deletions
diff --git a/arch/sh/drivers/pci/fixups-dreamcast.c b/arch/sh/drivers/pci/fixups-dreamcast.c index edeea8960c3..1d1c5a227e5 100644 --- a/arch/sh/drivers/pci/fixups-dreamcast.c +++ b/arch/sh/drivers/pci/fixups-dreamcast.c @@ -28,9 +28,11 @@ #include <asm/irq.h> #include <mach/pci.h> -static void __init gapspci_fixup_resources(struct pci_dev *dev) +static void gapspci_fixup_resources(struct pci_dev *dev) { struct pci_channel *p = dev->sysdata; + struct resource res; + struct pci_bus_region region; printk(KERN_NOTICE "PCI: Fixing up device %s\n", pci_name(dev)); @@ -50,11 +52,21 @@ static void __init gapspci_fixup_resources(struct pci_dev *dev) /* * Redirect dma memory allocations to special memory window. + * + * If this GAPSPCI region were mapped by a BAR, the CPU + * phys_addr_t would be pci_resource_start(), and the bus + * address would be pci_bus_address(pci_resource_start()). + * But apparently there's no BAR mapping it, so we just + * "know" its CPU address is GAPSPCI_DMA_BASE. */ + res.start = GAPSPCI_DMA_BASE; + res.end = GAPSPCI_DMA_BASE + GAPSPCI_DMA_SIZE - 1; + res.flags = IORESOURCE_MEM; + pcibios_resource_to_bus(dev->bus, ®ion, &res); BUG_ON(!dma_declare_coherent_memory(&dev->dev, - GAPSPCI_DMA_BASE, - GAPSPCI_DMA_BASE, - GAPSPCI_DMA_SIZE, + res.start, + region.start, + resource_size(&res), DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE)); break; diff --git a/arch/sh/drivers/pci/fixups-landisk.c b/arch/sh/drivers/pci/fixups-landisk.c index ecb1d106063..db5b40a98e6 100644 --- a/arch/sh/drivers/pci/fixups-landisk.c +++ b/arch/sh/drivers/pci/fixups-landisk.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/pci.h> +#include <linux/sh_intc.h> #include "pci-sh4.h" #define PCIMCR_MRSET_OFF 0xBFFFFFFF @@ -27,7 +28,7 @@ int pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) * slot2: pin1-4 = irq7,8,5,6 * slot3: pin1-4 = irq8,5,6,7 */ - int irq = ((slot + pin - 1) & 0x3) + 5; + int irq = ((slot + pin - 1) & 0x3) + evt2irq(0x2a0); if ((slot | (pin - 1)) > 0x3) { printk(KERN_WARNING "PCI: Bad IRQ mapping request for slot %d pin %c\n", diff --git a/arch/sh/drivers/pci/fixups-r7780rp.c b/arch/sh/drivers/pci/fixups-r7780rp.c index f9370dce0b7..57ed3f09d0c 100644 --- a/arch/sh/drivers/pci/fixups-r7780rp.c +++ b/arch/sh/drivers/pci/fixups-r7780rp.c @@ -12,13 +12,10 @@ */ #include <linux/pci.h> #include <linux/io.h> +#include <linux/sh_intc.h> #include "pci-sh4.h" -static char irq_tab[] __initdata = { - 65, 66, 67, 68, -}; - int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) { - return irq_tab[slot]; + return evt2irq(0xa20) + slot; } diff --git a/arch/sh/drivers/pci/fixups-sdk7780.c b/arch/sh/drivers/pci/fixups-sdk7780.c index 0b8472501b8..c0a015ae6ec 100644 --- a/arch/sh/drivers/pci/fixups-sdk7780.c +++ b/arch/sh/drivers/pci/fixups-sdk7780.c @@ -13,18 +13,28 @@ */ #include <linux/pci.h> #include <linux/io.h> +#include <linux/sh_intc.h> #include "pci-sh4.h" +#define IRQ_INTA evt2irq(0xa20) +#define IRQ_INTB evt2irq(0xa40) +#define IRQ_INTC evt2irq(0xa60) +#define IRQ_INTD evt2irq(0xa80) + /* IDSEL [16][17][18][19][20][21][22][23][24][25][26][27][28][29][30][31] */ static char sdk7780_irq_tab[4][16] __initdata = { /* INTA */ - { 65, 68, 67, 68, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { IRQ_INTA, IRQ_INTD, IRQ_INTC, IRQ_INTD, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1, -1, -1 }, /* INTB */ - { 66, 65, -1, 65, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { IRQ_INTB, IRQ_INTA, -1, IRQ_INTA, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1 }, /* INTC */ - { 67, 66, -1, 66, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { IRQ_INTC, IRQ_INTB, -1, IRQ_INTB, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1, -1 }, /* INTD */ - { 68, 67, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, + { IRQ_INTD, IRQ_INTC, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, + -1, -1, -1 }, }; int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) diff --git a/arch/sh/drivers/pci/fixups-sdk7786.c b/arch/sh/drivers/pci/fixups-sdk7786.c index 0e18ee33255..36eb6fc3c18 100644 --- a/arch/sh/drivers/pci/fixups-sdk7786.c +++ b/arch/sh/drivers/pci/fixups-sdk7786.c @@ -23,9 +23,9 @@ * Misconfigurations can be detected through the FPGA via the slot * resistors to determine card presence. Hotplug remains unsupported. */ -static unsigned int slot4en __devinitdata; +static unsigned int slot4en __initdata; -char *__devinit pcibios_setup(char *str) +char *__init pcibios_setup(char *str) { if (strcmp(str, "slot4en") == 0) { slot4en = 1; diff --git a/arch/sh/drivers/pci/fixups-se7751.c b/arch/sh/drivers/pci/fixups-se7751.c index 2ec146c3fa4..84a88ca9200 100644 --- a/arch/sh/drivers/pci/fixups-se7751.c +++ b/arch/sh/drivers/pci/fixups-se7751.c @@ -4,13 +4,14 @@ #include <linux/delay.h> #include <linux/pci.h> #include <linux/io.h> +#include <linux/sh_intc.h> #include "pci-sh4.h" int __init pcibios_map_platform_irq(const struct pci_dev *, u8 slot, u8 pin) { switch (slot) { - case 0: return 13; - case 1: return 13; /* AMD Ethernet controller */ + case 0: return evt2irq(0x3a0); + case 1: return evt2irq(0x3a0); /* AMD Ethernet controller */ case 2: return -1; case 3: return -1; case 4: return -1; diff --git a/arch/sh/drivers/pci/fixups-sh03.c b/arch/sh/drivers/pci/fixups-sh03.c index 1615e590616..16207bef9f5 100644 --- a/arch/sh/drivers/pci/fixups-sh03.c +++ b/arch/sh/drivers/pci/fixups-sh03.c @@ -2,6 +2,7 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/pci.h> +#include <linux/sh_intc.h> int __init pcibios_map_platform_irq(const struct pci_dev *dev, u8 slot, u8 pin) { @@ -9,21 +10,21 @@ int __init pcibios_map_platform_irq(const struct pci_dev *dev, u8 slot, u8 pin) if (dev->bus->number == 0) { switch (slot) { - case 4: return 5; /* eth0 */ - case 8: return 5; /* eth1 */ - case 6: return 2; /* PCI bridge */ + case 4: return evt2irq(0x2a0); /* eth0 */ + case 8: return evt2irq(0x2a0); /* eth1 */ + case 6: return evt2irq(0x240); /* PCI bridge */ default: printk(KERN_ERR "PCI: Bad IRQ mapping request " "for slot %d\n", slot); - return 2; + return evt2irq(0x240); } } else { switch (pin) { - case 0: irq = 2; break; - case 1: irq = 2; break; - case 2: irq = 2; break; - case 3: irq = 2; break; - case 4: irq = 2; break; + case 0: irq = evt2irq(0x240); break; + case 1: irq = evt2irq(0x240); break; + case 2: irq = evt2irq(0x240); break; + case 3: irq = evt2irq(0x240); break; + case 4: irq = evt2irq(0x240); break; default: irq = -1; break; } } diff --git a/arch/sh/drivers/pci/fixups-snapgear.c b/arch/sh/drivers/pci/fixups-snapgear.c index 4a093c648d1..6e33ba4cd07 100644 --- a/arch/sh/drivers/pci/fixups-snapgear.c +++ b/arch/sh/drivers/pci/fixups-snapgear.c @@ -16,6 +16,7 @@ #include <linux/types.h> #include <linux/init.h> #include <linux/pci.h> +#include <linux/sh_intc.h> #include "pci-sh4.h" int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) @@ -24,11 +25,11 @@ int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) switch (slot) { case 8: /* the PCI bridge */ break; - case 11: irq = 8; break; /* USB */ - case 12: irq = 11; break; /* PCMCIA */ - case 13: irq = 5; break; /* eth0 */ - case 14: irq = 8; break; /* eth1 */ - case 15: irq = 11; break; /* safenet (unused) */ + case 11: irq = evt2irq(0x300); break; /* USB */ + case 12: irq = evt2irq(0x360); break; /* PCMCIA */ + case 13: irq = evt2irq(0x2a0); break; /* eth0 */ + case 14: irq = evt2irq(0x300); break; /* eth1 */ + case 15: irq = evt2irq(0x360); break; /* safenet (unused) */ } printk("PCI: Mapping SnapGear IRQ for slot %d, pin %c to irq %d\n", diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c index fb8f1499074..5a6dab6e27d 100644 --- a/arch/sh/drivers/pci/pci-sh7780.c +++ b/arch/sh/drivers/pci/pci-sh7780.c @@ -21,6 +21,13 @@ #include <asm/mmu.h> #include <asm/sizes.h> +#if defined(CONFIG_CPU_BIG_ENDIAN) +# define PCICR_ENDIANNESS SH4_PCICR_BSWP +#else +# define PCICR_ENDIANNESS 0 +#endif + + static struct resource sh7785_pci_resources[] = { { .name = "PCI IO", @@ -254,7 +261,7 @@ static int __init sh7780_pci_init(void) __raw_writel(PCIECR_ENBL, PCIECR); /* Reset */ - __raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_PRST, + __raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_PRST | PCICR_ENDIANNESS, chan->reg_base + SH4_PCICR); /* @@ -290,7 +297,8 @@ static int __init sh7780_pci_init(void) * Now throw it in to register initialization mode and * start the real work. */ - __raw_writel(SH4_PCICR_PREFIX, chan->reg_base + SH4_PCICR); + __raw_writel(SH4_PCICR_PREFIX | PCICR_ENDIANNESS, + chan->reg_base + SH4_PCICR); memphys = __pa(memory_start); memsize = roundup_pow_of_two(memory_end - memory_start); @@ -380,7 +388,8 @@ static int __init sh7780_pci_init(void) * Initialization mode complete, release the control register and * enable round robin mode to stop device overruns/starvation. */ - __raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_FTO, + __raw_writel(SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_FTO | + PCICR_ENDIANNESS, chan->reg_base + SH4_PCICR); ret = register_pci_controller(chan); diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c index 1e7b0e2e764..1bc09ee7948 100644 --- a/arch/sh/drivers/pci/pci.c +++ b/arch/sh/drivers/pci/pci.c @@ -32,16 +32,25 @@ static struct pci_channel *hose_head, **hose_tail = &hose_head; static int pci_initialized; -static void __devinit pcibios_scanbus(struct pci_channel *hose) +static void pcibios_scanbus(struct pci_channel *hose) { static int next_busno; static int need_domain_info; LIST_HEAD(resources); + struct resource *res; + resource_size_t offset; int i; struct pci_bus *bus; - for (i = 0; i < hose->nr_resources; i++) - pci_add_resource(&resources, hose->resources + i); + for (i = 0; i < hose->nr_resources; i++) { + res = hose->resources + i; + offset = 0; + if (res->flags & IORESOURCE_IO) + offset = hose->io_offset; + else if (res->flags & IORESOURCE_MEM) + offset = hose->mem_offset; + pci_add_resource_offset(&resources, res, offset); + } bus = pci_scan_root_bus(NULL, next_busno, hose->pci_ops, hose, &resources); @@ -50,7 +59,7 @@ static void __devinit pcibios_scanbus(struct pci_channel *hose) need_domain_info = need_domain_info || hose->index; hose->need_domain_info = need_domain_info; if (bus) { - next_busno = bus->subordinate + 1; + next_busno = bus->busn_res.end + 1; /* Don't allow 8-bit bus number overflow inside the hose - reserve some space for bridges. */ if (next_busno > 224) { @@ -60,7 +69,6 @@ static void __devinit pcibios_scanbus(struct pci_channel *hose) pci_bus_size_bridges(bus); pci_bus_assign_resources(bus); - pci_enable_bridges(bus); } else { pci_free_resource_list(&resources); } @@ -73,7 +81,7 @@ static void __devinit pcibios_scanbus(struct pci_channel *hose) DEFINE_RAW_SPINLOCK(pci_config_lock); static DEFINE_MUTEX(pci_scan_mutex); -int __devinit register_pci_controller(struct pci_channel *hose) +int register_pci_controller(struct pci_channel *hose) { int i; @@ -143,42 +151,12 @@ static int __init pcibios_init(void) } subsys_initcall(pcibios_init); -static void pcibios_fixup_device_resources(struct pci_dev *dev, - struct pci_bus *bus) -{ - /* Update device resources. */ - struct pci_channel *hose = bus->sysdata; - unsigned long offset = 0; - int i; - - for (i = 0; i < PCI_NUM_RESOURCES; i++) { - if (!dev->resource[i].start) - continue; - if (dev->resource[i].flags & IORESOURCE_IO) - offset = hose->io_offset; - else if (dev->resource[i].flags & IORESOURCE_MEM) - offset = hose->mem_offset; - - dev->resource[i].start += offset; - dev->resource[i].end += offset; - } -} - /* * Called after each bus is probed, but before its children * are examined. */ -void __devinit pcibios_fixup_bus(struct pci_bus *bus) +void pcibios_fixup_bus(struct pci_bus *bus) { - struct pci_dev *dev; - struct list_head *ln; - - for (ln = bus->devices.next; ln != &bus->devices; ln = ln->next) { - dev = pci_dev_b(ln); - - if ((dev->class >> 8) != PCI_CLASS_BRIDGE_PCI) - pcibios_fixup_device_resources(dev, bus); - } } /* @@ -208,51 +186,6 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res, return start; } -void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region, - struct resource *res) -{ - struct pci_channel *hose = dev->sysdata; - unsigned long offset = 0; - - if (res->flags & IORESOURCE_IO) - offset = hose->io_offset; - else if (res->flags & IORESOURCE_MEM) - offset = hose->mem_offset; - - region->start = res->start - offset; - region->end = res->end - offset; -} - -void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res, - struct pci_bus_region *region) -{ - struct pci_channel *hose = dev->sysdata; - unsigned long offset = 0; - - if (res->flags & IORESOURCE_IO) - offset = hose->io_offset; - else if (res->flags & IORESOURCE_MEM) - offset = hose->mem_offset; - - res->start = region->start + offset; - res->end = region->end + offset; -} - -int pcibios_enable_device(struct pci_dev *dev, int mask) -{ - return pci_enable_resources(dev, mask); -} - -void __init pcibios_update_irq(struct pci_dev *dev, int irq) -{ - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq); -} - -char * __devinit __weak pcibios_setup(char *str) -{ - return str; -} - static void __init pcibios_bus_report_status_early(struct pci_channel *hose, int top_bus, int current_bus, @@ -380,9 +313,5 @@ EXPORT_SYMBOL(pci_iounmap); #endif /* CONFIG_GENERIC_IOMAP */ -#ifdef CONFIG_HOTPLUG -EXPORT_SYMBOL(pcibios_resource_to_bus); -EXPORT_SYMBOL(pcibios_bus_to_resource); EXPORT_SYMBOL(PCIBIOS_MIN_IO); EXPORT_SYMBOL(PCIBIOS_MIN_MEM); -#endif diff --git a/arch/sh/drivers/pci/pcie-sh7786.c b/arch/sh/drivers/pci/pcie-sh7786.c index 4df27c4fbf9..a162a7f86b2 100644 --- a/arch/sh/drivers/pci/pcie-sh7786.c +++ b/arch/sh/drivers/pci/pcie-sh7786.c @@ -18,6 +18,7 @@ #include <linux/slab.h> #include <linux/clk.h> #include <linux/sh_clk.h> +#include <linux/sh_intc.h> #include "pcie-sh7786.h" #include <asm/sizes.h> @@ -34,7 +35,7 @@ static unsigned int nr_ports; static struct sh7786_pcie_hwops { int (*core_init)(void); - async_func_ptr *port_init_hw; + async_func_t port_init_hw; } *sh7786_pcie_hwops; static struct resource sh7786_pci0_resources[] = { @@ -131,7 +132,7 @@ static struct clk fixed_pciexclkp = { .rate = 100000000, /* 100 MHz reference clock */ }; -static void __devinit sh7786_pci_fixup(struct pci_dev *dev) +static void sh7786_pci_fixup(struct pci_dev *dev) { /* * Prevent enumeration of root complex resources. @@ -238,7 +239,7 @@ static int __init pcie_clk_init(struct sh7786_pcie_port *port) clk->enable_reg = (void __iomem *)(chan->reg_base + SH4A_PCIEPHYCTLR); clk->enable_bit = BITS_CKE; - ret = sh_clk_mstp32_register(clk, 1); + ret = sh_clk_mstp_register(clk, 1); if (unlikely(ret < 0)) goto err_phy; @@ -468,7 +469,7 @@ static int __init pcie_init(struct sh7786_pcie_port *port) int __init pcibios_map_platform_irq(const struct pci_dev *pdev, u8 slot, u8 pin) { - return 71; + return evt2irq(0xae0); } static int __init sh7786_pcie_core_init(void) diff --git a/arch/sh/drivers/pci/pcie-sh7786.h b/arch/sh/drivers/pci/pcie-sh7786.h index 1ee054e47ea..4a6ff55f759 100644 --- a/arch/sh/drivers/pci/pcie-sh7786.h +++ b/arch/sh/drivers/pci/pcie-sh7786.h @@ -145,9 +145,6 @@ /* PCIERMSGIER */ #define SH4A_PCIERMSGIER (0x004040) /* R/W - 0x0000 0000 32 */ -/* PCIEPHYCTLR */ -#define SH4A_PCIEPHYCTLR (0x010000) /* R/W - 0x0000 0000 32 */ - /* PCIEPHYADRR */ #define SH4A_PCIEPHYADRR (0x010004) /* R/W - 0x0000 0000 32 */ #define BITS_ACK (24) // Rev1.171 |
