diff options
Diffstat (limited to 'target/linux/brcm63xx-2.6/patches/002-pci_bcm96348.patch')
| -rw-r--r-- | target/linux/brcm63xx-2.6/patches/002-pci_bcm96348.patch | 438 |
1 files changed, 438 insertions, 0 deletions
diff --git a/target/linux/brcm63xx-2.6/patches/002-pci_bcm96348.patch b/target/linux/brcm63xx-2.6/patches/002-pci_bcm96348.patch new file mode 100644 index 0000000000..7d0936cb83 --- /dev/null +++ b/target/linux/brcm63xx-2.6/patches/002-pci_bcm96348.patch @@ -0,0 +1,438 @@ +diff -Naurp linux-2.6.16.7-generic-patched/arch/mips/pci/Makefile linux-2.6.16.7-patched/arch/mips/pci/Makefile +--- linux-2.6.16.7-generic-patched/arch/mips/pci/Makefile 2006-04-17 23:53:25.000000000 +0200 ++++ linux-2.6.16.7-patched/arch/mips/pci/Makefile 2006-07-05 15:21:58.000000000 +0200 +@@ -18,6 +18,7 @@ obj-$(CONFIG_MIPS_NILE4) += ops-nile4.o + obj-$(CONFIG_MIPS_TX3927) += ops-tx3927.o + obj-$(CONFIG_PCI_VR41XX) += ops-vr41xx.o pci-vr41xx.o + obj-$(CONFIG_NEC_CMBVR4133) += fixup-vr4133.o ++obj-$(CONFIG_BCM_PCI) += fixup-bcm96348.o pci-bcm96348.o ops-bcm96348.o + + # + # These are still pretty much in the old state, watch, go blind. +diff -Naurp linux-2.6.16.7-generic-patched/arch/mips/pci/fixup-bcm96348.c linux-2.6.16.7-patched/arch/mips/pci/fixup-bcm96348.c +--- linux-2.6.16.7-generic-patched/arch/mips/pci/fixup-bcm96348.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16.7-patched/arch/mips/pci/fixup-bcm96348.c 2006-07-05 15:21:58.000000000 +0200 +@@ -0,0 +1,85 @@ ++/* ++<:copyright-gpl ++ Copyright 2002 Broadcom Corp. All Rights Reserved. ++ ++ This program is free software; you can distribute it and/or modify it ++ under the terms of the GNU General Public License (Version 2) as ++ published by the Free Software Foundation. ++ ++ This program is distributed in the hope it will be useful, but WITHOUT ++ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ for more details. ++ ++ You should have received a copy of the GNU General Public License along ++ with this program; if not, write to the Free Software Foundation, Inc., ++ 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. ++:> ++*/ ++#include <linux/init.h> ++#include <linux/types.h> ++#include <linux/pci.h> ++ ++#include <bcmpci.h> ++#include <bcm_intr.h> ++#include <bcm_map_part.h> ++ ++static volatile MpiRegisters * mpi = (MpiRegisters *)(MPI_BASE); ++ ++static char irq_tab_bcm96348[] __initdata = { ++ [0] = INTERRUPT_ID_MPI, ++ [1] = INTERRUPT_ID_MPI, ++#if defined(CONFIG_USB) ++ [USB_HOST_SLOT] = INTERRUPT_ID_USBH ++#endif ++}; ++ ++int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) ++{ ++ return irq_tab_bcm96348[slot]; ++} ++ ++static void bcm96348_fixup(struct pci_dev *dev) ++{ ++ uint32 memaddr; ++ uint32 size; ++ ++ memaddr = pci_resource_start(dev, 0); ++ size = pci_resource_len(dev, 0); ++ ++ switch (PCI_SLOT(dev->devfn)) { ++ case 0: ++ // UBUS to PCI address range ++ // Memory Window 1. Mask determines which bits are decoded. ++ mpi->l2pmrange1 = ~(size-1); ++ // UBUS to PCI Memory base address. This is akin to the ChipSelect base ++ // register. ++ mpi->l2pmbase1 = memaddr & BCM_PCI_ADDR_MASK; ++ // UBUS to PCI Remap Address. Replaces the masked address bits in the ++ // range register with this setting. ++ // Also, enable direct I/O and direct Memory accesses ++ mpi->l2pmremap1 = (memaddr | MEM_WINDOW_EN); ++ break; ++ ++ case 1: ++ // Memory Window 2 ++ mpi->l2pmrange2 = ~(size-1); ++ // UBUS to PCI Memory base address. ++ mpi->l2pmbase2 = memaddr & BCM_PCI_ADDR_MASK; ++ // UBUS to PCI Remap Address ++ mpi->l2pmremap2 = (memaddr | MEM_WINDOW_EN); ++ break; ++ ++#if defined(CONFIG_USB) ++ case USB_HOST_SLOT: ++ dev->resource[0].start = USB_HOST_BASE; ++ dev->resource[0].end = USB_HOST_BASE+USB_BAR0_MEM_SIZE-1; ++ break; ++#endif ++ } ++} ++ ++struct pci_fixup pcibios_fixups[] = { ++ { PCI_FIXUP_FINAL, PCI_ANY_ID, PCI_ANY_ID, bcm96348_fixup }, ++ {0} ++}; +diff -Naurp linux-2.6.16.7-generic-patched/arch/mips/pci/ops-bcm96348.c linux-2.6.16.7-patched/arch/mips/pci/ops-bcm96348.c +--- linux-2.6.16.7-generic-patched/arch/mips/pci/ops-bcm96348.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16.7-patched/arch/mips/pci/ops-bcm96348.c 2006-07-05 15:21:58.000000000 +0200 +@@ -0,0 +1,276 @@ ++/* ++<:copyright-gpl ++ Copyright 2002 Broadcom Corp. All Rights Reserved. ++ ++ This program is free software; you can distribute it and/or modify it ++ under the terms of the GNU General Public License (Version 2) as ++ published by the Free Software Foundation. ++ ++ This program is distributed in the hope it will be useful, but WITHOUT ++ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ for more details. ++ ++ You should have received a copy of the GNU General Public License along ++ with this program; if not, write to the Free Software Foundation, Inc., ++ 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. ++:> ++*/ ++#include <linux/types.h> ++#include <linux/pci.h> ++#include <linux/kernel.h> ++#include <linux/init.h> ++#include <asm/addrspace.h> ++ ++#include <bcm_intr.h> ++#include <bcm_map_part.h> ++#include <bcmpci.h> ++ ++#include <linux/delay.h> ++ ++#if defined(CONFIG_USB) ++#if 0 ++#define DPRINT(x...) printk(x) ++#else ++#define DPRINT(x...) ++#endif ++ ++static int ++pci63xx_int_read(unsigned int devfn, int where, u32 * value, int size); ++static int ++pci63xx_int_write(unsigned int devfn, int where, u32 * value, int size); ++ ++static bool usb_mem_size_rd = FALSE; ++static uint32 usb_mem_base = 0; ++static uint32 usb_cfg_space_cmd_reg = 0; ++#endif ++static bool pci_mem_size_rd = FALSE; ++ ++static volatile MpiRegisters * mpi = (MpiRegisters *)(MPI_BASE); ++ ++static void mpi_SetupPciConfigAccess(uint32 addr) ++{ ++ mpi->l2pcfgctl = (DIR_CFG_SEL | DIR_CFG_USEREG | addr) & ~CONFIG_TYPE; ++} ++ ++static void mpi_ClearPciConfigAccess(void) ++{ ++ mpi->l2pcfgctl = 0x00000000; ++} ++ ++#if defined(CONFIG_USB) ++/* -------------------------------------------------------------------------- ++ Name: pci63xx_int_write ++Abstract: PCI Config write on internal device(s) ++ -------------------------------------------------------------------------- */ ++static int ++pci63xx_int_write(unsigned int devfn, int where, u32 * value, int size) ++{ ++ if (PCI_SLOT(devfn) != USB_HOST_SLOT) { ++ return PCIBIOS_SUCCESSFUL; ++ } ++ ++ switch (size) { ++ case 1: ++ DPRINT("W => Slot: %d Where: %2X Len: %d Data: %02X\n", ++ PCI_SLOT(devfn), where, size, *value); ++ break; ++ case 2: ++ DPRINT("W => Slot: %d Where: %2X Len: %d Data: %04X\n", ++ PCI_SLOT(devfn), where, size, *value); ++ switch (where) { ++ case PCI_COMMAND: ++ usb_cfg_space_cmd_reg = *value; ++ break; ++ default: ++ break; ++ } ++ break; ++ case 4: ++ DPRINT("W => Slot: %d Where: %2X Len: %d Data: %08lX\n", ++ PCI_SLOT(devfn), where, size, *value); ++ switch (where) { ++ case PCI_BASE_ADDRESS_0: ++ if (*value == 0xffffffff) { ++ usb_mem_size_rd = TRUE; ++ } else { ++ usb_mem_base = *value; ++ } ++ break; ++ default: ++ break; ++ } ++ break; ++ default: ++ break; ++ } ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++/* -------------------------------------------------------------------------- ++ Name: pci63xx_int_read ++Abstract: PCI Config read on internal device(s) ++ -------------------------------------------------------------------------- */ ++static int ++pci63xx_int_read(unsigned int devfn, int where, u32 * value, int size) ++{ ++ uint32 retValue = 0xFFFFFFFF; ++ ++ if (PCI_SLOT(devfn) != USB_HOST_SLOT) { ++ return PCIBIOS_SUCCESSFUL; ++ } ++ ++ // For now, this is specific to the USB Host controller. We can ++ // make it more general if we have to... ++ // Emulate PCI Config accesses ++ switch (where) { ++ case PCI_VENDOR_ID: ++ case PCI_DEVICE_ID: ++ retValue = PCI_VENDOR_ID_BROADCOM | 0x63000000; ++ break; ++ case PCI_COMMAND: ++ case PCI_STATUS: ++ retValue = (0x0006 << 16) | usb_cfg_space_cmd_reg; ++ break; ++ case PCI_CLASS_REVISION: ++ case PCI_CLASS_DEVICE: ++ retValue = (PCI_CLASS_SERIAL_USB << 16) | (0x10 << 8) | 0x01; ++ break; ++ case PCI_BASE_ADDRESS_0: ++ if (usb_mem_size_rd) { ++ retValue = USB_BAR0_MEM_SIZE; ++ } else { ++ if (usb_mem_base != 0) ++ retValue = usb_mem_base; ++ else ++ retValue = USB_HOST_BASE; ++ } ++ usb_mem_size_rd = FALSE; ++ break; ++ case PCI_CACHE_LINE_SIZE: ++ case PCI_LATENCY_TIMER: ++ retValue = 0; ++ break; ++ case PCI_HEADER_TYPE: ++ retValue = PCI_HEADER_TYPE_NORMAL; ++ break; ++ case PCI_SUBSYSTEM_VENDOR_ID: ++ retValue = PCI_VENDOR_ID_BROADCOM; ++ break; ++ case PCI_SUBSYSTEM_ID: ++ retValue = 0x6300; ++ break; ++ case PCI_INTERRUPT_LINE: ++ retValue = INTERRUPT_ID_USBH; ++ break; ++ default: ++ break; ++ } ++ ++ switch (size) { ++ case 1: ++ *value = (retValue >> ((where & 3) << 3)) & 0xff; ++ DPRINT("R <= Slot: %d Where: %2X Len: %d Data: %02X\n", ++ PCI_SLOT(devfn), where, size, *value); ++ break; ++ case 2: ++ *value = (retValue >> ((where & 3) << 3)) & 0xffff; ++ DPRINT("R <= Slot: %d Where: %2X Len: %d Data: %04X\n", ++ PCI_SLOT(devfn), where, size, *value); ++ break; ++ case 4: ++ *value = retValue; ++ DPRINT("R <= Slot: %d Where: %2X Len: %d Data: %08lX\n", ++ PCI_SLOT(devfn), where, size, *value); ++ break; ++ default: ++ break; ++ } ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++#endif ++ ++static int bcm96348_pcibios_read(struct pci_bus *bus, unsigned int devfn, ++ int where, int size, u32 * val) ++{ ++ volatile unsigned char *ioBase = (unsigned char *)(mpi->l2piobase | KSEG1); ++ uint32 data; ++ ++#if defined(CONFIG_USB) ++ if (PCI_SLOT(devfn) == USB_HOST_SLOT) ++ return pci63xx_int_read(devfn, where, val, size); ++#endif ++ ++ mpi_SetupPciConfigAccess(BCM_PCI_CFG(PCI_SLOT(devfn), PCI_FUNC(devfn), where)); ++ data = *(uint32 *)ioBase; ++ switch(size) { ++ case 1: ++ *val = (data >> ((where & 3) << 3)) & 0xff; ++ break; ++ case 2: ++ *val = (data >> ((where & 3) << 3)) & 0xffff; ++ break; ++ case 4: ++ *val = data; ++ /* Special case for reading PCI device range */ ++ if ((where >= PCI_BASE_ADDRESS_0) && (where <= PCI_BASE_ADDRESS_5)) { ++ if (pci_mem_size_rd) { ++ /* bcm6348 PCI memory window minimum size is 64K */ ++ *val &= PCI_SIZE_64K; ++ } ++ } ++ break; ++ default: ++ break; ++ } ++ pci_mem_size_rd = FALSE; ++ mpi_ClearPciConfigAccess(); ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++static int bcm96348_pcibios_write(struct pci_bus *bus, unsigned int devfn, ++ int where, int size, u32 val) ++{ ++ volatile unsigned char *ioBase = (unsigned char *)(mpi->l2piobase | KSEG1); ++ uint32 data; ++ ++#if defined(CONFIG_USB) ++ if (PCI_SLOT(devfn) == USB_HOST_SLOT) ++ return pci63xx_int_write(devfn, where, &val, size); ++#endif ++ mpi_SetupPciConfigAccess(BCM_PCI_CFG(PCI_SLOT(devfn), PCI_FUNC(devfn), where)); ++ data = *(uint32 *)ioBase; ++ switch(size) { ++ case 1: ++ data = (data & ~(0xff << ((where & 3) << 3))) | ++ (val << ((where & 3) << 3)); ++ break; ++ case 2: ++ data = (data & ~(0xffff << ((where & 3) << 3))) | ++ (val << ((where & 3) << 3)); ++ break; ++ case 4: ++ data = val; ++ /* Special case for reading PCI device range */ ++ if ((where >= PCI_BASE_ADDRESS_0) && (where <= PCI_BASE_ADDRESS_5)) { ++ if (val == 0xffffffff) ++ pci_mem_size_rd = TRUE; ++ } ++ break; ++ default: ++ break; ++ } ++ *(uint32 *)ioBase = data; ++ udelay(500); ++ mpi_ClearPciConfigAccess(); ++ ++ return PCIBIOS_SUCCESSFUL; ++} ++ ++struct pci_ops bcm96348_pci_ops = { ++ .read = bcm96348_pcibios_read, ++ .write = bcm96348_pcibios_write ++}; +diff -Naurp linux-2.6.16.7-generic-patched/arch/mips/pci/pci-bcm96348.c linux-2.6.16.7-patched/arch/mips/pci/pci-bcm96348.c +--- linux-2.6.16.7-generic-patched/arch/mips/pci/pci-bcm96348.c 1970-01-01 01:00:00.000000000 +0100 ++++ linux-2.6.16.7-patched/arch/mips/pci/pci-bcm96348.c 2006-07-05 15:21:58.000000000 +0200 +@@ -0,0 +1,54 @@ ++/* ++<:copyright-gpl ++ Copyright 2002 Broadcom Corp. All Rights Reserved. ++ ++ This program is free software; you can distribute it and/or modify it ++ under the terms of the GNU General Public License (Version 2) as ++ published by the Free Software Foundation. ++ ++ This program is distributed in the hope it will be useful, but WITHOUT ++ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License ++ for more details. ++ ++ You should have received a copy of the GNU General Public License along ++ with this program; if not, write to the Free Software Foundation, Inc., ++ 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. ++:> ++*/ ++#include <linux/types.h> ++#include <linux/pci.h> ++#include <linux/kernel.h> ++#include <linux/init.h> ++ ++#include <asm/pci_channel.h> ++#include <bcmpci.h> ++ ++static struct resource bcm_pci_io_resource = { ++ .name = "bcm96348 pci IO space", ++ .start = BCM_PCI_IO_BASE, ++ .end = BCM_PCI_IO_BASE + BCM_PCI_IO_SIZE_64KB - 1, ++ .flags = IORESOURCE_IO ++}; ++ ++static struct resource bcm_pci_mem_resource = { ++ .name = "bcm96348 pci memory space", ++ .start = BCM_PCI_MEM_BASE, ++ .end = BCM_PCI_MEM_BASE + BCM_PCI_MEM_SIZE_16MB - 1, ++ .flags = IORESOURCE_MEM ++}; ++ ++extern struct pci_ops bcm96348_pci_ops; ++ ++struct pci_controller bcm96348_controller = { ++ .pci_ops = &bcm96348_pci_ops, ++ .io_resource = &bcm_pci_io_resource, ++ .mem_resource = &bcm_pci_mem_resource, ++}; ++ ++static void bcm96348_pci_init(void) ++{ ++ register_pci_controller(&bcm96348_controller); ++} ++ ++arch_initcall(bcm96348_pci_init); |