From 3260740c920ea811e18bc1743c863fce74ac89b7 Mon Sep 17 00:00:00 2001 From: florian Date: Mon, 2 Apr 2007 16:59:59 +0000 Subject: Add preliminary RouterBoard RB1xx support git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6839 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- .../rb1xx-2.6/files/arch/mips/pci/ops-adm5120.c | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 target/linux/rb1xx-2.6/files/arch/mips/pci/ops-adm5120.c (limited to 'target/linux/rb1xx-2.6/files/arch/mips/pci/ops-adm5120.c') diff --git a/target/linux/rb1xx-2.6/files/arch/mips/pci/ops-adm5120.c b/target/linux/rb1xx-2.6/files/arch/mips/pci/ops-adm5120.c new file mode 100644 index 000000000..91dae8999 --- /dev/null +++ b/target/linux/rb1xx-2.6/files/arch/mips/pci/ops-adm5120.c @@ -0,0 +1,63 @@ +/* + * Copyright (C) ADMtek Incorporated. + * Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org) + * Copyright (C) 2007 Gabor Juhos + * Copyright (C) 2007 OpenWrt.org + */ + +#include +#include +#include +#include +#include + +#include + +volatile u32* pci_config_address_reg = (volatile u32*)KSEG1ADDR(ADM5120_PCICFG_ADDR); +volatile u32* pci_config_data_reg = (volatile u32*)KSEG1ADDR(ADM5120_PCICFG_DATA); + +#define PCI_ENABLE 0x80000000 + +static int pci_config_read(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t *val) +{ + *pci_config_address_reg = ((bus->number & 0xff) << 0x10) | + ((devfn & 0xff) << 0x08) | (where & 0xfc) | PCI_ENABLE; + switch (size) { + case 1: + *val = ((*pci_config_data_reg)>>((where&3)<<3))&0xff; + break; + case 2: + *val = ((*pci_config_data_reg)>>((where&3)<<3))&0xffff; + break; + default: + *val = (*pci_config_data_reg); + } + return PCIBIOS_SUCCESSFUL; +} + +static int pci_config_write(struct pci_bus *bus, unsigned int devfn, int where, + int size, uint32_t val) +{ + *pci_config_address_reg = ((bus->number & 0xff) << 0x10) | + ((devfn & 0xff) << 0x08) | (where & 0xfc) | PCI_ENABLE; + switch (size) { + case 1: + *(volatile u8 *)(((int)pci_config_data_reg) + + (where & 3)) = val; + break; + case 2: + *(volatile u16 *)(((int)pci_config_data_reg) + + (where & 2)) = (val); + break; + default: + *pci_config_data_reg = (val); + } + + return PCIBIOS_SUCCESSFUL; +} + +struct pci_ops adm5120_pci_ops = { + .read = pci_config_read, + .write = pci_config_write, +}; -- cgit v1.2.3