finally fix pci issues (#132)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2716 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 85 insertions, 42 deletions

diff --git a/target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch b/target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch
index 538ef69a11..686f2d2af2 100644
--- a/target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch
+++ b/target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch
@@ -1247,7 +1247,7 @@ diff -urN linux.old/arch/mips/bcm947xx/broadcom/linux_osl.c linux.dev/arch/mips/
 +
 diff -urN linux.old/arch/mips/bcm947xx/broadcom/nvram.c linux.dev/arch/mips/bcm947xx/broadcom/nvram.c
 --- linux.old/arch/mips/bcm947xx/broadcom/nvram.c	1970-01-01 01:00:00.000000000 +0100
-+++ linux.dev/arch/mips/bcm947xx/broadcom/nvram.c	2005-12-17 21:41:45.656819500 +0100
++++ linux.dev/arch/mips/bcm947xx/broadcom/nvram.c	2005-12-18 04:59:36.185204500 +0100
 @@ -0,0 +1,165 @@
 +/*
 + * NVRAM variable manipulation (Linux kernel half)
@@ -1294,7 +1294,7 @@ diff -urN linux.old/arch/mips/bcm947xx/broadcom/nvram.c linux.dev/arch/mips/bcm9
 +extern spinlock_t bcm947xx_sbh_lock;
 +static int cfe_env;
 +
-+extern char *cfe_env_get(unsigned char *nv_buf, char *name);
++extern char *cfe_env_get(char *nv_buf, const char *name);
 +		
 +
 +/* Convenience */
@@ -2458,8 +2458,8 @@ diff -urN linux.old/arch/mips/bcm947xx/broadcom/sbmips.c linux.dev/arch/mips/bcm
 +
 diff -urN linux.old/arch/mips/bcm947xx/broadcom/sbpci.c linux.dev/arch/mips/bcm947xx/broadcom/sbpci.c
 --- linux.old/arch/mips/bcm947xx/broadcom/sbpci.c	1970-01-01 01:00:00.000000000 +0100
-+++ linux.dev/arch/mips/bcm947xx/broadcom/sbpci.c	2005-12-15 23:50:31.846688500 +0100
-@@ -0,0 +1,531 @@
++++ linux.dev/arch/mips/bcm947xx/broadcom/sbpci.c	2005-12-18 05:36:53.351735500 +0100
+@@ -0,0 +1,533 @@
 +/*
 + * Low-Level PCI and SB support for BCM47xx
 + *
@@ -2873,9 +2873,11 @@ diff -urN linux.old/arch/mips/bcm947xx/broadcom/sbpci.c linux.dev/arch/mips/bcm9
 +			subclass = PCI_MEMORY_RAM;
 +			break;
 +		case SB_PCI:
++#if 0
 +			class = PCI_CLASS_BRIDGE;
 +			subclass = PCI_BRIDGE_PCI;
 +			break;
++#endif
 +		case SB_MIPS:
 +		case SB_MIPS33:
 +			class = PCI_CLASS_CPU;
@@ -11219,8 +11221,8 @@ diff -urN linux.old/arch/mips/bcm947xx/irq.c linux.dev/arch/mips/bcm947xx/irq.c
 +}
 diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c
 --- linux.old/arch/mips/bcm947xx/pci.c	1970-01-01 01:00:00.000000000 +0100
-+++ linux.dev/arch/mips/bcm947xx/pci.c	2005-12-17 18:11:52.350836000 +0100
-@@ -0,0 +1,92 @@
++++ linux.dev/arch/mips/bcm947xx/pci.c	2005-12-18 04:44:18.736590500 +0100
+@@ -0,0 +1,91 @@
 +#include <linux/kernel.h>
 +#include <linux/init.h>
 +#include <linux/pci.h>
@@ -11263,7 +11265,6 @@ diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c
 +	.write  = sb_pci_write_config,
 +};
 +
-+
 +static struct resource sb_pci_mem_resource = {
 +	.name   = "SB PCI Memory resources",
 +	.start  = SB_ENUM_BASE,
@@ -11273,8 +11274,8 @@ diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c
 +
 +static struct resource sb_pci_io_resource = {
 +	.name   = "SB PCI I/O resources",
-+	.start  = 0x100,
-+	.end    = 0x1FF,
++	.start  = 0x000,
++	.end    = 0x0FF,
 +	.flags  = IORESOURCE_IO,
 +};
 +
@@ -11287,27 +11288,27 @@ diff -urN linux.old/arch/mips/bcm947xx/pci.c linux.dev/arch/mips/bcm947xx/pci.c
 +static struct resource ext_pci_mem_resource = {
 +	.name   = "Ext PCI Memory resources",
 +	.start  = 0x40000000,
-+	.end    = 0x40ffffff,
++	.end    = 0x7fffffff,
 +	.flags  = IORESOURCE_MEM,
 +};
 +
 +static struct resource ext_pci_io_resource = {
 +	.name   = "Ext PCI I/O resources",
-+	.start  = 0x200,
-+	.end    = 0x2FF,
++	.start  = 0x100,
++	.end    = 0x1FF,
 +	.flags  = IORESOURCE_IO,
 +};
 +
 +static struct pci_controller bcm47xx_ext_pci_controller = {
 +	.pci_ops        = &sb_pci_ops,
-+	.mem_resource   = &ext_pci_mem_resource,
 +	.io_resource    = &ext_pci_io_resource,
++	.mem_resource   = &ext_pci_mem_resource,
++	.mem_offset		= 0x24000000,
 +};
 +
 +void bcm47xx_pci_init(void)
 +{
 +	sbpci_init(sbh);
-+
 +	set_io_port_base((unsigned long) ioremap_nocache(SB_PCI_MEM, 0x04000000));
 +
 +	register_pci_controller(&bcm47xx_sb_pci_controller);
@@ -11378,7 +11379,7 @@ diff -urN linux.old/arch/mips/bcm947xx/prom.c linux.dev/arch/mips/bcm947xx/prom.
 +}
 diff -urN linux.old/arch/mips/bcm947xx/setup.c linux.dev/arch/mips/bcm947xx/setup.c
 --- linux.old/arch/mips/bcm947xx/setup.c	1970-01-01 01:00:00.000000000 +0100
-+++ linux.dev/arch/mips/bcm947xx/setup.c	2005-12-17 22:14:27.619043750 +0100
++++ linux.dev/arch/mips/bcm947xx/setup.c	2005-12-18 04:58:53.946564750 +0100
 @@ -0,0 +1,155 @@
 +/*
 + *  Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
@@ -11423,6 +11424,8 @@ diff -urN linux.old/arch/mips/bcm947xx/setup.c linux.dev/arch/mips/bcm947xx/setu
 +#include <sbpci.h>
 +#include <sbconfig.h>
 +#include <bcmdevs.h>
++#include <bcmutils.h>
++#include <bcmnvram.h>
 +
 +extern void bcm47xx_pci_init(void);
 +extern void bcm47xx_time_init(void);
@@ -11504,13 +11507,11 @@ diff -urN linux.old/arch/mips/bcm947xx/setup.c linux.dev/arch/mips/bcm947xx/setu
 +	char *s;
 +	int i;
 +	
-+	sbh = sb_kattach();
++	sbh = (void *) sb_kattach();
 +	sb_mips_init(sbh);
 +
 +	bcm47xx_pci_init();
 +
-+	set_io_port_base((unsigned long) ioremap_nocache(SB_PCI_MEM, 0x04000000));
-+
 +	sb_serial_init(sbh, serial_add);
 +	boardflags = getintvar(NULL, "boardflags");
 +
@@ -11695,16 +11696,14 @@ diff -urN linux.old/arch/mips/pci/Makefile linux.dev/arch/mips/pci/Makefile
  # These are still pretty much in the old state, watch, go blind.
 diff -urN linux.old/arch/mips/pci/fixup-bcm47xx.c linux.dev/arch/mips/pci/fixup-bcm47xx.c
 --- linux.old/arch/mips/pci/fixup-bcm47xx.c	1970-01-01 01:00:00.000000000 +0100
-+++ linux.dev/arch/mips/pci/fixup-bcm47xx.c	2005-12-15 12:57:27.945158000 +0100
-@@ -0,0 +1,23 @@
++++ linux.dev/arch/mips/pci/fixup-bcm47xx.c	2005-12-18 04:42:58.079549750 +0100
+@@ -0,0 +1,78 @@
 +#include <linux/init.h>
 +#include <linux/pci.h>
-+
-+/* Do platform specific device initialization at pci_enable_device() time */
-+int pcibios_plat_dev_init(struct pci_dev *dev)
-+{
-+	return 0;
-+}
++#include <typedefs.h>
++#include <sbconfig.h>
++#include <bcmdevs.h>
++#include <pcicfg.h>
 +
 +int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 +{
@@ -11717,22 +11716,66 @@ diff -urN linux.old/arch/mips/pci/fixup-bcm47xx.c linux.dev/arch/mips/pci/fixup-
 +	return irq + 2;
 +}
 +
-+struct pci_fixup pcibios_fixups[] = {
-+	{ 0 }
-+};
-diff -urN linux.old/arch/mips/pci/pci.c linux.dev/arch/mips/pci/pci.c
---- linux.old/arch/mips/pci/pci.c	2005-12-15 13:26:49.814003000 +0100
-+++ linux.dev/arch/mips/pci/pci.c	2005-12-17 18:08:13.553162000 +0100
-@@ -307,7 +307,8 @@
- 	if (res->flags & IORESOURCE_IO)
- 		offset = hose->io_offset;
- 	else if (res->flags & IORESOURCE_MEM)
--		offset = hose->mem_offset;
-+//		offset = hose->mem_offset;
-+		offset = 0x24000000;
- 
- 	res->start = region->start + offset;
- 	res->end = region->end + offset;
++u32 pci_iobase = 0x100;
++u32 pci_membase = SB_PCI_DMA;
++
++static void bcm47xx_fixup_device(struct pci_dev *d)
++{
++	struct resource *res;
++	int pos, size;
++	u32 *base;
++
++	if (d->bus->number == 0)
++		return;
++	
++	printk("PCI: Fixing up device %s\n", pci_name(d));
++
++	/* Fix up resource bases */
++	for (pos = 0; pos < 6; pos++) {
++		res = &d->resource[pos];
++		base = ((res->flags & IORESOURCE_IO) ? &pci_iobase : &pci_membase);
++		if (res->end) {
++			size = res->end - res->start + 1;
++			if (*base & (size - 1))
++				*base = (*base + size) & ~(size - 1);
++			res->start = *base;
++			res->end = res->start + size - 1;
++			*base += size;
++			pci_write_config_dword(d, PCI_BASE_ADDRESS_0 + (pos << 2), res->start);
++		}
++		/* Fix up PCI bridge BAR0 only */
++		if (d->bus->number == 1 && PCI_SLOT(d->devfn) == 0)
++			break;
++	}
++	/* Fix up interrupt lines */
++	if (pci_find_device(VENDOR_BROADCOM, SB_PCI, NULL))
++		d->irq = (pci_find_device(VENDOR_BROADCOM, SB_PCI, NULL))->irq;
++	pci_write_config_byte(d, PCI_INTERRUPT_LINE, d->irq);
++}
++
++static void bcm47xx_fixup_bridge(struct pci_dev *dev)
++{
++	if (dev->bus->number != 1 || PCI_SLOT(dev->devfn) != 0)
++		return;
++	
++	printk("PCI: fixing up bridge\n");
++
++	/* Enable PCI bridge bus mastering and memory space */
++	pci_set_master(dev);
++	pcibios_enable_device(dev, ~0);
++	
++	/* Enable PCI bridge BAR1 prefetch and burst */
++	pci_write_config_dword(dev, PCI_BAR1_CONTROL, 3);
++}
++
++/* Do platform specific device initialization at pci_enable_device() time */
++int pcibios_plat_dev_init(struct pci_dev *dev)
++{
++	bcm47xx_fixup_device(dev);
++	return 0;
++}
++
++DECLARE_PCI_FIXUP_EARLY(PCI_ANY_ID, PCI_ANY_ID, bcm47xx_fixup_bridge);
 diff -urN linux.old/include/asm-mips/bootinfo.h linux.dev/include/asm-mips/bootinfo.h
 --- linux.old/include/asm-mips/bootinfo.h	2005-12-15 13:26:49.818001250 +0100
 +++ linux.dev/include/asm-mips/bootinfo.h	2005-12-15 12:57:27.969147500 +0100