diff options
Diffstat (limited to 'arch/mips/pci/ops-tx3927.c')
-rw-r--r-- | arch/mips/pci/ops-tx3927.c | 114 |
1 files changed, 43 insertions, 71 deletions
diff --git a/arch/mips/pci/ops-tx3927.c b/arch/mips/pci/ops-tx3927.c index 0e0daadc303..42530a0b84b 100644 --- a/arch/mips/pci/ops-tx3927.c +++ b/arch/mips/pci/ops-tx3927.c @@ -72,13 +72,9 @@ static inline int check_abort(void) static int jmr3927_pci_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 * val) { - int ret, busno; + int ret; - /* check if the bus is top-level */ - if (bus->parent != NULL) - busno = bus->number; - - ret = mkaddr(busno, devfn, where); + ret = mkaddr(bus->number, devfn, where); if (ret) return ret; @@ -102,15 +98,9 @@ static int jmr3927_pci_read_config(struct pci_bus *bus, unsigned int devfn, static int jmr3927_pci_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) { - int ret, busno; - - /* check if the bus is top-level */ - if (bus->parent != NULL) - bus = bus->number; - else - bus = 0; + int ret; - ret = mkaddr(busno, devfn, where); + ret = mkaddr(bus->number, devfn, where); if (ret) return ret; @@ -120,7 +110,7 @@ static int jmr3927_pci_write_config(struct pci_bus *bus, unsigned int devfn, break; case 2: - *(volatile u16 *) (unsigned longulong) & tx3927_pcicptr->icd | (where & 2)) = + *(volatile u16 *) ((unsigned long) & tx3927_pcicptr->icd | (where & 2)) = cpu_to_le16(val); break; @@ -137,8 +127,8 @@ static int jmr3927_pci_write_config(struct pci_bus *bus, unsigned int devfn, } struct pci_ops jmr3927_pci_ops = { - jmr3927_pcibios_read_config, - jmr3927_pcibios_write_config, + jmr3927_pci_read_config, + jmr3927_pci_write_config, }; @@ -159,15 +149,14 @@ unsigned long tc_readl(volatile __u32 * addr) { unsigned long val; - addr = PHYSADDR(addr); - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr = - (unsigned long) addr; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr = + (unsigned long) CPHYSADDR(addr); + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe = (PCI_IPCIBE_ICMD_MEMREAD << PCI_IPCIBE_ICMD_SHIFT) | PCI_IPCIBE_IBE_LONG; while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC)); val = - le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr-> + le32_to_cpu(*(volatile u32 *) (unsigned long) & tx3927_pcicptr-> ipcidata); /* clear by setting */ tx3927_pcicptr->istat |= PCI_ISTAT_IDICC; @@ -176,12 +165,11 @@ unsigned long tc_readl(volatile __u32 * addr) void tc_writel(unsigned long data, volatile __u32 * addr) { - addr = PHYSADDR(addr); - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata = cpu_to_le32(data); - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr = - (unsigned long) addr; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr = + (unsigned long) CPHYSADDR(addr); + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe = (PCI_IPCIBE_ICMD_MEMWRITE << PCI_IPCIBE_ICMD_SHIFT) | PCI_IPCIBE_IBE_LONG; while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC)); @@ -198,21 +186,15 @@ unsigned char tx_ioinb(unsigned char *addr) ioaddr = (unsigned long) addr; offset = ioaddr & 0x3; - if (offset == 0) - byte = 0x7; - else if (offset == 1) - byte = 0xb; - else if (offset == 2) - byte = 0xd; - else if (offset == 3) - byte = 0xe; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr = + byte = 0xf & ~(8 >> offset); + + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr = (unsigned long) ioaddr; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe = (PCI_IPCIBE_ICMD_IOREAD << PCI_IPCIBE_ICMD_SHIFT) | byte; while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC)); val = - le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr-> + le32_to_cpu(*(volatile u32 *) (unsigned long) & tx3927_pcicptr-> ipcidata); val = val & 0xff; /* clear by setting */ @@ -229,18 +211,12 @@ void tx_iooutb(unsigned long data, unsigned char *addr) data = data | (data << 8) | (data << 16) | (data << 24); ioaddr = (unsigned long) addr; offset = ioaddr & 0x3; - if (offset == 0) - byte = 0x7; - else if (offset == 1) - byte = 0xb; - else if (offset == 2) - byte = 0xd; - else if (offset == 3) - byte = 0xe; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata = data; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr = + byte = 0xf & ~(8 >> offset); + + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata = data; + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr = (unsigned long) ioaddr; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe = (PCI_IPCIBE_ICMD_IOWRITE << PCI_IPCIBE_ICMD_SHIFT) | byte; while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC)); /* clear by setting */ @@ -255,18 +231,16 @@ unsigned short tx_ioinw(unsigned short *addr) int byte; ioaddr = (unsigned long) addr; - offset = ioaddr & 0x3; - if (offset == 0) - byte = 0x3; - else if (offset == 2) - byte = 0xc; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr = + offset = ioaddr & 0x2; + byte = 3 << offset; + + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr = (unsigned long) ioaddr; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe = (PCI_IPCIBE_ICMD_IOREAD << PCI_IPCIBE_ICMD_SHIFT) | byte; while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC)); val = - le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr-> + le32_to_cpu(*(volatile u32 *) (unsigned long) & tx3927_pcicptr-> ipcidata); val = val & 0xffff; /* clear by setting */ @@ -283,15 +257,13 @@ void tx_iooutw(unsigned long data, unsigned short *addr) data = data | (data << 16); ioaddr = (unsigned long) addr; - offset = ioaddr & 0x3; - if (offset == 0) - byte = 0x3; - else if (offset == 2) - byte = 0xc; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata = data; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr = + offset = ioaddr & 0x2; + byte = 3 << offset; + + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata = data; + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr = (unsigned long) ioaddr; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe = (PCI_IPCIBE_ICMD_IOWRITE << PCI_IPCIBE_ICMD_SHIFT) | byte; while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC)); /* clear by setting */ @@ -304,14 +276,14 @@ unsigned long tx_ioinl(unsigned int *addr) __u32 ioaddr; ioaddr = (unsigned long) addr; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr = (unsigned long) ioaddr; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe = (PCI_IPCIBE_ICMD_IOREAD << PCI_IPCIBE_ICMD_SHIFT) | PCI_IPCIBE_IBE_LONG; while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC)); val = - le32_to_cpu(*(volatile u32 *) (ulong) & tx3927_pcicptr-> + le32_to_cpu(*(volatile u32 *) (unsigned long) & tx3927_pcicptr-> ipcidata); /* clear by setting */ tx3927_pcicptr->istat |= PCI_ISTAT_IDICC; @@ -323,11 +295,11 @@ void tx_iooutl(unsigned long data, unsigned int *addr) __u32 ioaddr; ioaddr = (unsigned long) addr; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcidata = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcidata = cpu_to_le32(data); - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipciaddr = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipciaddr = (unsigned long) ioaddr; - *(volatile u32 *) (ulong) & tx3927_pcicptr->ipcibe = + *(volatile u32 *) (unsigned long) & tx3927_pcicptr->ipcibe = (PCI_IPCIBE_ICMD_IOWRITE << PCI_IPCIBE_ICMD_SHIFT) | PCI_IPCIBE_IBE_LONG; while (!(tx3927_pcicptr->istat & PCI_ISTAT_IDICC)); |