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path: root/arch/sh/drivers/pci/pci-sh7751.c
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Diffstat (limited to 'arch/sh/drivers/pci/pci-sh7751.c')
-rw-r--r--arch/sh/drivers/pci/pci-sh7751.c68
1 files changed, 35 insertions, 33 deletions
diff --git a/arch/sh/drivers/pci/pci-sh7751.c b/arch/sh/drivers/pci/pci-sh7751.c
index 3065eb184f0..9c2c01490d6 100644
--- a/arch/sh/drivers/pci/pci-sh7751.c
+++ b/arch/sh/drivers/pci/pci-sh7751.c
@@ -40,21 +40,22 @@ static int __init sh7751_pci_init(void)
pr_debug("PCI: Starting intialization.\n");
/* check for SH7751/SH7751R hardware */
- id = pci_read_reg(SH7751_PCICONF0);
+ id = pci_read_reg(NULL, SH7751_PCICONF0);
if (id != ((SH7751_DEVICE_ID << 16) | SH7751_VENDOR_ID) &&
id != ((SH7751R_DEVICE_ID << 16) | SH7751_VENDOR_ID)) {
pr_debug("PCI: This is not an SH7751(R) (%x)\n", id);
return -ENODEV;
}
- if ((ret = sh4_pci_check_direct()) != 0)
+ if ((ret = sh4_pci_check_direct(NULL)) != 0)
return ret;
return pcibios_init_platform();
}
subsys_initcall(sh7751_pci_init);
-static int __init __area_sdram_check(unsigned int area)
+static int __init __area_sdram_check(struct pci_channel *chan,
+ unsigned int area)
{
u32 word;
@@ -65,7 +66,7 @@ static int __init __area_sdram_check(unsigned int area)
area, word);
return 0;
}
- pci_write_reg(word, SH4_PCIBCR1);
+ pci_write_reg(chan, word, SH4_PCIBCR1);
word = (u16)ctrl_inw(SH7751_BCR2);
/* check BCR2 for 32bit SDRAM interface*/
@@ -74,12 +75,13 @@ static int __init __area_sdram_check(unsigned int area)
area, word);
return 0;
}
- pci_write_reg(word, SH4_PCIBCR2);
+ pci_write_reg(chan, word, SH4_PCIBCR2);
return 1;
}
-int __init sh7751_pcic_init(struct sh4_pci_address_map *map)
+int __init sh7751_pcic_init(struct pci_channel *chan,
+ struct sh4_pci_address_map *map)
{
u32 reg;
u32 word;
@@ -90,10 +92,10 @@ int __init sh7751_pcic_init(struct sh4_pci_address_map *map)
ctrl_outl(reg, SH7751_BCR1);
/* Turn the clocks back on (not done in reset)*/
- pci_write_reg(0, SH4_PCICLKR);
+ pci_write_reg(chan, 0, SH4_PCICLKR);
/* Clear Powerdown IRQ's (not done in reset) */
word = SH4_PCIPINT_D3 | SH4_PCIPINT_D0;
- pci_write_reg(word, SH4_PCIPINT);
+ pci_write_reg(chan, word, SH4_PCIPINT);
/*
* This code is unused for some boards as it is done in the
@@ -103,11 +105,11 @@ int __init sh7751_pcic_init(struct sh4_pci_address_map *map)
if (!(map->flags & SH4_PCIC_NO_RESET)) {
/* toggle PCI reset pin */
word = SH4_PCICR_PREFIX | SH4_PCICR_PRST;
- pci_write_reg(word, SH4_PCICR);
+ pci_write_reg(chan, word, SH4_PCICR);
/* Wait for a long time... not 1 sec. but long enough */
mdelay(100);
word = SH4_PCICR_PREFIX;
- pci_write_reg(word, SH4_PCICR);
+ pci_write_reg(chan, word, SH4_PCICR);
}
/* set the command/status bits to:
@@ -116,11 +118,11 @@ int __init sh7751_pcic_init(struct sh4_pci_address_map *map)
*/
word = SH7751_PCICONF1_WCC | SH7751_PCICONF1_PER |
SH7751_PCICONF1_BUM | SH7751_PCICONF1_MES;
- pci_write_reg(word, SH7751_PCICONF1);
+ pci_write_reg(chan, word, SH7751_PCICONF1);
/* define this host as the host bridge */
word = PCI_BASE_CLASS_BRIDGE << 24;
- pci_write_reg(word, SH7751_PCICONF2);
+ pci_write_reg(chan, word, SH7751_PCICONF2);
/* Set IO and Mem windows to local address
* Make PCI and local address the same for easy 1 to 1 mapping
@@ -128,24 +130,24 @@ int __init sh7751_pcic_init(struct sh4_pci_address_map *map)
* Window1 = map->window1.size @ cached area base = SDRAM
*/
word = map->window0.size - 1;
- pci_write_reg(word, SH4_PCILSR0);
+ pci_write_reg(chan, word, SH4_PCILSR0);
word = map->window1.size - 1;
- pci_write_reg(word, SH4_PCILSR1);
+ pci_write_reg(chan, word, SH4_PCILSR1);
/* Set the values on window 0 PCI config registers */
word = P2SEGADDR(map->window0.base);
- pci_write_reg(word, SH4_PCILAR0);
- pci_write_reg(word, SH7751_PCICONF5);
+ pci_write_reg(chan, word, SH4_PCILAR0);
+ pci_write_reg(chan, word, SH7751_PCICONF5);
/* Set the values on window 1 PCI config registers */
word = PHYSADDR(map->window1.base);
- pci_write_reg(word, SH4_PCILAR1);
- pci_write_reg(word, SH7751_PCICONF6);
+ pci_write_reg(chan, word, SH4_PCILAR1);
+ pci_write_reg(chan, word, SH7751_PCICONF6);
/* Set the local 16MB PCI memory space window to
* the lowest PCI mapped address
*/
word = PCIBIOS_MIN_MEM & SH4_PCIMBR_MASK;
pr_debug("PCI: Setting upper bits of Memory window to 0x%x\n", word);
- pci_write_reg(word , SH4_PCIMBR);
+ pci_write_reg(chan, word , SH4_PCIMBR);
/* Map IO space into PCI IO window
* The IO window is 64K-PCIBIOS_MIN_IO in size
@@ -160,19 +162,19 @@ int __init sh7751_pcic_init(struct sh4_pci_address_map *map)
* correctly */
word = PCIBIOS_MIN_IO & SH4_PCIIOBR_MASK;
pr_debug("PCI: Setting upper bits of IO window to 0x%x\n", word);
- pci_write_reg(word, SH4_PCIIOBR);
+ pci_write_reg(chan, word, SH4_PCIIOBR);
/* Set PCI WCRx, BCRx's, copy from BSC locations */
/* check BCR for SDRAM in specified area */
switch (map->window0.base) {
- case SH7751_CS0_BASE_ADDR: word = __area_sdram_check(0); break;
- case SH7751_CS1_BASE_ADDR: word = __area_sdram_check(1); break;
- case SH7751_CS2_BASE_ADDR: word = __area_sdram_check(2); break;
- case SH7751_CS3_BASE_ADDR: word = __area_sdram_check(3); break;
- case SH7751_CS4_BASE_ADDR: word = __area_sdram_check(4); break;
- case SH7751_CS5_BASE_ADDR: word = __area_sdram_check(5); break;
- case SH7751_CS6_BASE_ADDR: word = __area_sdram_check(6); break;
+ case SH7751_CS0_BASE_ADDR: word = __area_sdram_check(chan, 0); break;
+ case SH7751_CS1_BASE_ADDR: word = __area_sdram_check(chan, 1); break;
+ case SH7751_CS2_BASE_ADDR: word = __area_sdram_check(chan, 2); break;
+ case SH7751_CS3_BASE_ADDR: word = __area_sdram_check(chan, 3); break;
+ case SH7751_CS4_BASE_ADDR: word = __area_sdram_check(chan, 4); break;
+ case SH7751_CS5_BASE_ADDR: word = __area_sdram_check(chan, 5); break;
+ case SH7751_CS6_BASE_ADDR: word = __area_sdram_check(chan, 6); break;
}
if (!word)
@@ -180,25 +182,25 @@ int __init sh7751_pcic_init(struct sh4_pci_address_map *map)
/* configure the wait control registers */
word = ctrl_inl(SH7751_WCR1);
- pci_write_reg(word, SH4_PCIWCR1);
+ pci_write_reg(chan, word, SH4_PCIWCR1);
word = ctrl_inl(SH7751_WCR2);
- pci_write_reg(word, SH4_PCIWCR2);
+ pci_write_reg(chan, word, SH4_PCIWCR2);
word = ctrl_inl(SH7751_WCR3);
- pci_write_reg(word, SH4_PCIWCR3);
+ pci_write_reg(chan, word, SH4_PCIWCR3);
word = ctrl_inl(SH7751_MCR);
- pci_write_reg(word, SH4_PCIMCR);
+ pci_write_reg(chan, word, SH4_PCIMCR);
/* NOTE: I'm ignoring the PCI error IRQs for now..
* TODO: add support for the internal error interrupts and
* DMA interrupts...
*/
- pci_fixup_pcic();
+ pci_fixup_pcic(chan);
/* SH7751 init done, set central function init complete */
/* use round robin mode to stop a device starving/overruning */
word = SH4_PCICR_PREFIX | SH4_PCICR_CFIN | SH4_PCICR_ARBM;
- pci_write_reg(word, SH4_PCICR);
+ pci_write_reg(chan, word, SH4_PCICR);
return 1;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 13:27:58 +0000