diff options
author | Felix Fietkau <nbd@openwrt.org> | 2007-09-06 16:27:37 +0000 |
---|---|---|
committer | Felix Fietkau <nbd@openwrt.org> | 2007-09-06 16:27:37 +0000 |
commit | 56231056ea784f1cec6450f649b1adaed1f56366 (patch) | |
tree | 7b130d72d854cde2bcd3af8b11bd0f7be3dbff6a /target/linux/amazon-2.6/files/arch/mips/amazon/pci.c | |
parent | e1184aaa1a7a5e5eeef8e072bf0ea98c291be22a (diff) | |
download | master-31e0f0ae-56231056ea784f1cec6450f649b1adaed1f56366.tar.gz master-31e0f0ae-56231056ea784f1cec6450f649b1adaed1f56366.tar.bz2 master-31e0f0ae-56231056ea784f1cec6450f649b1adaed1f56366.zip |
strip the kernel version suffix from target directories, except for brcm-2.4 (the -2.4 will be included in the board name here). CONFIG_LINUX_<ver>_<board> becomes CONFIG_TARGET_<board>, same for profiles.
SVN-Revision: 8653
Diffstat (limited to 'target/linux/amazon-2.6/files/arch/mips/amazon/pci.c')
-rw-r--r-- | target/linux/amazon-2.6/files/arch/mips/amazon/pci.c | 293 |
1 files changed, 0 insertions, 293 deletions
diff --git a/target/linux/amazon-2.6/files/arch/mips/amazon/pci.c b/target/linux/amazon-2.6/files/arch/mips/amazon/pci.c deleted file mode 100644 index ab305a983c..0000000000 --- a/target/linux/amazon-2.6/files/arch/mips/amazon/pci.c +++ /dev/null @@ -1,293 +0,0 @@ -/* - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999, 2000 MIPS Technologies, Inc. All rights reserved. - * Copyright (C) 2007 Felix Fietkau <nbd@openwrt.org> - * - * 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. - */ - -/* FIXME: convert nasty volatile register derefs to readl/writel calls */ - -#include <linux/types.h> -#include <linux/pci.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <asm/io.h> -#include <asm/paccess.h> -#include <asm/amazon/irq.h> -#include <asm/amazon/amazon.h> - -#define AMAZON_PCI_REG32( addr ) (*(volatile u32 *)(addr)) -#ifndef AMAZON_PCI_MEM_BASE -#define AMAZON_PCI_MEM_BASE 0xb2000000 -#endif -#define AMAZON_PCI_MEM_SIZE 0x00400000 -#define AMAZON_PCI_IO_BASE 0xb2400000 -#define AMAZON_PCI_IO_SIZE 0x00002000 - -#define AMAZON_PCI_CFG_BUSNUM_SHF 16 -#define AMAZON_PCI_CFG_DEVNUM_SHF 11 -#define AMAZON_PCI_CFG_FUNNUM_SHF 8 - -#define PCI_ACCESS_READ 0 -#define PCI_ACCESS_WRITE 1 - -static inline u32 amazon_r32(u32 addr) -{ - u32 *ptr = (u32 *) addr; - return __raw_readl(ptr); -} - -static inline void amazon_w32(u32 addr, u32 val) -{ - u32 *ptr = (u32 *) addr; - __raw_writel(val, ptr); -} - - -static struct resource pci_io_resource = { - .name = "io pci IO space", -#if 0 - .start = AMAZON_PCI_IO_BASE, - .end = AMAZON_PCI_IO_BASE + AMAZON_PCI_IO_SIZE - 1, -#endif - .start = 0, - .end = AMAZON_PCI_IO_SIZE - 1, - .flags = IORESOURCE_IO -}; - -static struct resource pci_mem_resource = { - .name = "ext pci memory space", - .start = AMAZON_PCI_MEM_BASE, - .end = AMAZON_PCI_MEM_BASE + AMAZON_PCI_MEM_SIZE - 1, - .flags = IORESOURCE_MEM -}; - -static inline u32 amazon_pci_swap(u32 val) -{ -#ifdef CONFIG_AMAZON_PCI_HW_SWAP - return swab32(val); -#else - return val; -#endif -} - -static int amazon_pci_config_access(unsigned char access_type, - struct pci_bus *bus, unsigned int devfn, unsigned int where, u32 *data) -{ - unsigned long flags; - u32 pci_addr; - u32 val; - int ret; - - /* Amazon support slot from 0 to 15 */ - /* devfn 0 & 0x20 is itself */ - if ((bus != 0) || (devfn == 0) || (devfn == 0x20)) - return 1; - - pci_addr=AMAZON_PCI_CFG_BASE | - bus->number << AMAZON_PCI_CFG_BUSNUM_SHF | - devfn << AMAZON_PCI_CFG_FUNNUM_SHF | - (where & ~0x3); - - local_irq_save(flags); - if (access_type == PCI_ACCESS_WRITE) { - val = amazon_pci_swap(*data); - ret = put_dbe(val, (u32 *)pci_addr); - } else { - ret = get_dbe(val, (u32 *)pci_addr); - *data = amazon_pci_swap(val); - } - - amazon_w32(PCI_MODE, amazon_r32(PCI_MODE) & (~(1<<PCI_MODE_cfgok_bit))); - amazon_w32(STATUS_COMMAND_ADDR, amazon_r32(STATUS_COMMAND_ADDR)); - amazon_w32(PCI_MODE, amazon_r32(PCI_MODE) | (~(1<<PCI_MODE_cfgok_bit))); - local_irq_restore(flags); - - return ret; -} - - -static int amazon_pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val) -{ - u32 data = 0; - int ret = PCIBIOS_SUCCESSFUL; - - if (amazon_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) { - data = ~0; - ret = -1; - } - - switch (size) { - case 1: - *((u8 *) val) = (data >> ((where & 3) << 3)) & 0xff; - break; - case 2: - *((u16 *) val) = (data >> ((where & 3) << 3)) & 0xffff; - break; - case 4: - *val = data; - break; - default: - return -1; - } - - return ret; -} - - -static int amazon_pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) -{ - if (size != 4) { - u32 data; - - if (amazon_pci_config_access(PCI_ACCESS_READ, bus, devfn, where, &data)) - return -1; - - if (size == 1) - val = (data & ~(0xff << ((where & 3) << 3))) | (val << ((where & 3) << 3)); - else if (size == 2) - val = (data & ~(0xffff << ((where & 3) << 3))) | (val << ((where & 3) << 3)); - else - return -1; - } - - if (amazon_pci_config_access(PCI_ACCESS_WRITE, bus, devfn, where, &val)) - return -1; - - return PCIBIOS_SUCCESSFUL; -} - -static struct pci_ops amazon_pci_ops = { - amazon_pci_read, - amazon_pci_write -}; - -static struct pci_controller amazon_pci_controller = { - .pci_ops = &amazon_pci_ops, - .mem_resource = &pci_mem_resource, - .io_resource = &pci_io_resource -}; - -int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin) -{ - switch (slot) { - case 13: - /* IDSEL = AD29 --> USB Host Controller */ - return INT_NUM_IM2_IRL15; - case 14: - /* IDSEL = AD30 --> mini PCI connector */ - return INT_NUM_IM2_IRL14; - default: - printk("Warning: no IRQ found for PCI device in slot %d, pin %d\n", slot, pin); - return 0; - } -} - -int pcibios_plat_dev_init(struct pci_dev *dev) -{ - switch(dev->irq) { - case INT_NUM_IM2_IRL15: - /* - * IDSEL = AD29 --> USB Host Controller - * PCI_INTA/B/C--GPIO Port0.2--EXIN3 - * IN/ALT0:1 ALT1:0 - * PULL UP - */ - (*AMAZON_GPIO_P0_DIR) = (*AMAZON_GPIO_P0_DIR) & 0xfffffffb; - (*AMAZON_GPIO_P0_ALTSEL0) = (*AMAZON_GPIO_P0_ALTSEL0)| 4; - (*AMAZON_GPIO_P0_ALTSEL1) = (*AMAZON_GPIO_P0_ALTSEL1)& 0xfffffffb; - (*AMAZON_GPIO_P0_PUDSEL) = (*AMAZON_GPIO_P0_PUDSEL) | 4; - (*AMAZON_GPIO_P0_PUDEN) = (*AMAZON_GPIO_P0_PUDEN) | 4; - //External Interrupt Node - (*AMAZON_ICU_EXTINTCR) = (*AMAZON_ICU_EXTINTCR)|0x6000; /* Low Level triggered */ - (*AMAZON_ICU_IRNEN) = (*AMAZON_ICU_IRNEN)|0x8; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); - break; - case INT_NUM_IM2_IRL14: - /* - * IDSEL = AD30 --> mini PCI connector - * PCI_INTA--GPIO Port0.1--EXIN2 - * IN/ALT0:1 ALT1:0 - * PULL UP - */ - (*AMAZON_GPIO_P0_DIR) = (*AMAZON_GPIO_P0_DIR) & 0xfffffffd; - (*AMAZON_GPIO_P0_ALTSEL0) = (*AMAZON_GPIO_P0_ALTSEL0)| 2; - (*AMAZON_GPIO_P0_ALTSEL1) = (*AMAZON_GPIO_P0_ALTSEL1)& 0xfffffffd; - (*AMAZON_GPIO_P0_PUDSEL) = (*AMAZON_GPIO_P0_PUDSEL) | 2; - (*AMAZON_GPIO_P0_PUDEN) = (*AMAZON_GPIO_P0_PUDEN) | 2; - //External Interrupt Node - (*AMAZON_ICU_EXTINTCR) = (*AMAZON_ICU_EXTINTCR)|0x600; - (*AMAZON_ICU_IRNEN) = (*AMAZON_ICU_IRNEN)|0x4; - pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq); - break; - default: - return 1; - } - return 0; -} - -int amazon_pci_init(void) -{ - u32 temp_buffer; - -#ifdef CONFIG_AMAZON_PCI_HW_SWAP - AMAZON_PCI_REG32(IRM) = AMAZON_PCI_REG32(IRM) | (1<<27) | (1<<28); - wmb(); -#endif - - AMAZON_PCI_REG32(CLOCK_CONTROL) = AMAZON_PCI_REG32(CLOCK_CONTROL) | (1<<ARB_CTRL_bit); - amazon_w32(PCI_MODE, amazon_r32(PCI_MODE) & (~(1<<PCI_MODE_cfgok_bit))); - - AMAZON_PCI_REG32(STATUS_COMMAND_ADDR) = AMAZON_PCI_REG32(STATUS_COMMAND_ADDR) | (1<<BUS_MASTER_ENABLE_BIT) |(1<<MEM_SPACE_ENABLE_BIT); - - temp_buffer = AMAZON_PCI_REG32(PCI_ARB_CTRL_STATUS_ADDR); - temp_buffer = temp_buffer | (1<< INTERNAL_ARB_ENABLE_BIT); - temp_buffer = temp_buffer & ~(3<< PCI_MASTER0_REQ_MASK_2BITS); - temp_buffer = temp_buffer & ~(3<< PCI_MASTER0_GNT_MASK_2BITS); - - /* flash */ - temp_buffer = temp_buffer & ~(3<< PCI_MASTER1_REQ_MASK_2BITS); - temp_buffer = temp_buffer & ~(3<< PCI_MASTER1_GNT_MASK_2BITS); - - /* external master */ - temp_buffer = temp_buffer & ~(3<< PCI_MASTER2_REQ_MASK_2BITS); - temp_buffer = temp_buffer & ~(3<< PCI_MASTER2_GNT_MASK_2BITS); - - AMAZON_PCI_REG32(PCI_ARB_CTRL_STATUS_ADDR) = temp_buffer; - wmb(); - - AMAZON_PCI_REG32(FPI_ADDRESS_MAP_0) = 0xb2000000; - AMAZON_PCI_REG32(FPI_ADDRESS_MAP_1) = 0xb2100000; - AMAZON_PCI_REG32(FPI_ADDRESS_MAP_2) = 0xb2200000; - AMAZON_PCI_REG32(FPI_ADDRESS_MAP_3) = 0xb2300000; - AMAZON_PCI_REG32(FPI_ADDRESS_MAP_4) = 0xb2400000; - AMAZON_PCI_REG32(FPI_ADDRESS_MAP_5) = 0xb2500000; - AMAZON_PCI_REG32(FPI_ADDRESS_MAP_6) = 0xb2600000; - AMAZON_PCI_REG32(FPI_ADDRESS_MAP_7) = 0xb2700000; - - AMAZON_PCI_REG32(BAR11_MASK) = 0x0f000008; - AMAZON_PCI_REG32(PCI_ADDRESS_MAP_11) = 0x0; - AMAZON_PCI_REG32(BAR1_ADDR) = 0x0; - amazon_w32(PCI_MODE, amazon_r32(PCI_MODE) | (~(1<<PCI_MODE_cfgok_bit))); - //use 8 dw burse length - AMAZON_PCI_REG32(FPI_BURST_LENGTH) = 0x303; - - set_io_port_base(ioremap(AMAZON_PCI_IO_BASE, AMAZON_PCI_IO_SIZE)); - register_pci_controller(&amazon_pci_controller); - return 0; -} -arch_initcall(amazon_pci_init); |