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Code

finally fix pci issues (#132)

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2716 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd 2005-12-18 05:04:07 +00:00
parent aa132e5ca8
commit 8e8a9a63fa
1 changed files with 85 additions and 42 deletions
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127
target/linux/linux-2.6/patches/brcm/001-bcm947xx.patch
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@ -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