summaryrefslogtreecommitdiff
path: root/arch/sh/drivers/pci/pci-sh7751.c
diff options
context:
space:
mode:
authorFrederic Weisbecker <fweisbec@gmail.com>2010-05-13 01:19:01 +0400
committerFrederic Weisbecker <fweisbec@gmail.com>2010-05-13 01:20:33 +0400
commita9aa1d02de36b450990b0e25a88fc2ff1c3e6b94 (patch)
tree1f9d19f1642d263e65906a916a48be9339accc73 /arch/sh/drivers/pci/pci-sh7751.c
parent5671a10e2bc7f99d9157c6044faf8be2ef302361 (diff)
parentb57f95a38233a2e73b679bea4a5453a1cc2a1cc9 (diff)
downloadlinux-a9aa1d02de36b450990b0e25a88fc2ff1c3e6b94.tar.xz
Merge commit 'v2.6.34-rc7' into perf/nmi
Merge reason: catch up with latest softlockup detector changes.
Diffstat (limited to 'arch/sh/drivers/pci/pci-sh7751.c')
-rw-r--r--arch/sh/drivers/pci/pci-sh7751.c53
1 files changed, 24 insertions, 29 deletions
diff --git a/arch/sh/drivers/pci/pci-sh7751.c b/arch/sh/drivers/pci/pci-sh7751.c
index 70c1999a0ec4..f98141b3b7d7 100644
--- a/arch/sh/drivers/pci/pci-sh7751.c
+++ b/arch/sh/drivers/pci/pci-sh7751.c
@@ -17,6 +17,7 @@
#include <linux/io.h>
#include "pci-sh4.h"
#include <asm/addrspace.h>
+#include <asm/sizes.h>
static int __init __area_sdram_check(struct pci_channel *chan,
unsigned int area)
@@ -44,25 +45,25 @@ static int __init __area_sdram_check(struct pci_channel *chan,
return 1;
}
-static struct resource sh7751_io_resource = {
- .name = "SH7751_IO",
- .start = SH7751_PCI_IO_BASE,
- .end = SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1,
- .flags = IORESOURCE_IO
-};
-
-static struct resource sh7751_mem_resource = {
- .name = "SH7751_mem",
- .start = SH7751_PCI_MEMORY_BASE,
- .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
- .flags = IORESOURCE_MEM
+static struct resource sh7751_pci_resources[] = {
+ {
+ .name = "SH7751_IO",
+ .start = 0x1000,
+ .end = SZ_4M - 1,
+ .flags = IORESOURCE_IO
+ }, {
+ .name = "SH7751_mem",
+ .start = SH7751_PCI_MEMORY_BASE,
+ .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1,
+ .flags = IORESOURCE_MEM
+ },
};
static struct pci_channel sh7751_pci_controller = {
.pci_ops = &sh4_pci_ops,
- .mem_resource = &sh7751_mem_resource,
+ .resources = sh7751_pci_resources,
+ .nr_resources = ARRAY_SIZE(sh7751_pci_resources),
.mem_offset = 0x00000000,
- .io_resource = &sh7751_io_resource,
.io_offset = 0x00000000,
.io_map_base = SH7751_PCI_IO_BASE,
};
@@ -79,7 +80,6 @@ static int __init sh7751_pci_init(void)
struct pci_channel *chan = &sh7751_pci_controller;
unsigned int id;
u32 word, reg;
- int ret;
printk(KERN_NOTICE "PCI: Starting intialization.\n");
@@ -93,13 +93,10 @@ static int __init sh7751_pci_init(void)
return -ENODEV;
}
- if ((ret = sh4_pci_check_direct(chan)) != 0)
- return ret;
-
/* Set the BCR's to enable PCI access */
- reg = ctrl_inl(SH7751_BCR1);
+ reg = __raw_readl(SH7751_BCR1);
reg |= 0x80000;
- ctrl_outl(reg, SH7751_BCR1);
+ __raw_writel(reg, SH7751_BCR1);
/* Turn the clocks back on (not done in reset)*/
pci_write_reg(chan, 0, SH4_PCICLKR);
@@ -132,13 +129,13 @@ static int __init sh7751_pci_init(void)
/* Set the local 16MB PCI memory space window to
* the lowest PCI mapped address
*/
- word = chan->mem_resource->start & SH4_PCIMBR_MASK;
+ word = chan->resources[1].start & SH4_PCIMBR_MASK;
pr_debug("PCI: Setting upper bits of Memory window to 0x%x\n", word);
pci_write_reg(chan, word , SH4_PCIMBR);
/* Make sure the MSB's of IO window are set to access PCI space
* correctly */
- word = chan->io_resource->start & SH4_PCIIOBR_MASK;
+ word = chan->resources[0].start & SH4_PCIIOBR_MASK;
pr_debug("PCI: Setting upper bits of IO window to 0x%x\n", word);
pci_write_reg(chan, word, SH4_PCIIOBR);
@@ -159,13 +156,13 @@ static int __init sh7751_pci_init(void)
return -1;
/* configure the wait control registers */
- word = ctrl_inl(SH7751_WCR1);
+ word = __raw_readl(SH7751_WCR1);
pci_write_reg(chan, word, SH4_PCIWCR1);
- word = ctrl_inl(SH7751_WCR2);
+ word = __raw_readl(SH7751_WCR2);
pci_write_reg(chan, word, SH4_PCIWCR2);
- word = ctrl_inl(SH7751_WCR3);
+ word = __raw_readl(SH7751_WCR3);
pci_write_reg(chan, word, SH4_PCIWCR3);
- word = ctrl_inl(SH7751_MCR);
+ word = __raw_readl(SH7751_MCR);
pci_write_reg(chan, word, SH4_PCIMCR);
/* NOTE: I'm ignoring the PCI error IRQs for now..
@@ -180,8 +177,6 @@ static int __init sh7751_pci_init(void)
word = SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_ARBM;
pci_write_reg(chan, word, SH4_PCICR);
- register_pci_controller(chan);
-
- return 0;
+ return register_pci_controller(chan);
}
arch_initcall(sh7751_pci_init);