From 73b2555da2d98f8ef898b9e15b272a8dc5038def Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Sun, 9 Sep 2007 06:41:19 +0000
Subject: cleanup PCI code
SVN-Revision: 8700
---
.../adm5120/files/arch/mips/pci/fixup-adm5120.c | 175 ------------
.../adm5120/files/arch/mips/pci/ops-adm5120.c | 143 ----------
.../adm5120/files/arch/mips/pci/pci-adm5120.c | 297 ++++++++++++++++++++-
.../adm5120/patches-2.6.22/007-adm5120_pci.patch | 2 +-
4 files changed, 284 insertions(+), 333 deletions(-)
delete mode 100644 target/linux/adm5120/files/arch/mips/pci/fixup-adm5120.c
delete mode 100644 target/linux/adm5120/files/arch/mips/pci/ops-adm5120.c
diff --git a/target/linux/adm5120/files/arch/mips/pci/fixup-adm5120.c b/target/linux/adm5120/files/arch/mips/pci/fixup-adm5120.c
deleted file mode 100644
index 59acf75..0000000
--- a/target/linux/adm5120/files/arch/mips/pci/fixup-adm5120.c
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * $Id$
- *
- * ADM5120 specific PCI fixups
- *
- * Copyright (C) ADMtek Incorporated.
- * Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
- * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
- * Copyright (C) 2007 OpenWrt.org
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/pci_ids.h>
-#include <linux/pci_regs.h>
-
-#include <asm/delay.h>
-#include <asm/bootinfo.h>
-
-#include <asm/mach-adm5120/adm5120_info.h>
-#include <asm/mach-adm5120/adm5120_defs.h>
-#include <asm/mach-adm5120/adm5120_irq.h>
-
-struct adm5120_pci_irq {
- u8 slot;
- u8 func;
- u8 pin;
- unsigned irq;
-};
-
-#define PCIIRQ(s,f,p,i) { \
- .slot = (s), \
- .func = (f), \
- .pin = (p), \
- .irq = (i) \
- }
-
-static struct adm5120_pci_irq default_pci_irqs[] __initdata = {
- PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
-};
-
-static struct adm5120_pci_irq rb1xx_pci_irqs[] __initdata = {
- PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0),
- PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI1),
- PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2)
-};
-
-static struct adm5120_pci_irq cas771_pci_irqs[] __initdata = {
- PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
- PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI1),
- PCIIRQ(3, 2, 3, ADM5120_IRQ_PCI2)
-};
-
-static struct adm5120_pci_irq np28g_pci_irqs[] __initdata = {
- PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
- PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI0),
- PCIIRQ(3, 1, 2, ADM5120_IRQ_PCI1),
- PCIIRQ(3, 2, 3, ADM5120_IRQ_PCI2)
-};
-
-#define GETMAP(n) do { \
- nr_irqs = ARRAY_SIZE(n ## _pci_irqs); \
- p = n ## _pci_irqs; \
- } while (0)
-
-int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
-{
- struct adm5120_pci_irq *p;
- int nr_irqs;
- int i;
- int irq;
-
- irq = -1;
- if (slot < 1 || slot > 3) {
- printk(KERN_ALERT "PCI: slot number %u is not supported\n",
- slot);
- goto out;
- }
-
- GETMAP(default);
-
- switch (mips_machtype) {
- case MACH_ADM5120_RB_111:
- case MACH_ADM5120_RB_112:
- case MACH_ADM5120_RB_133:
- case MACH_ADM5120_RB_133C:
- case MACH_ADM5120_RB_153:
- GETMAP(rb1xx);
- break;
- case MACH_ADM5120_NP28G:
- GETMAP(np28g);
- break;
- case MACH_ADM5120_P335:
- case MACH_ADM5120_P334WT:
- /* using default mapping */
- break;
- case MACH_ADM5120_CAS771:
- GETMAP(cas771);
- break;
-
- case MACH_ADM5120_NP27G:
- case MACH_ADM5120_NP28GHS:
- case MACH_ADM5120_WP54AG:
- case MACH_ADM5120_WP54G:
- case MACH_ADM5120_WP54G_WRT:
- case MACH_ADM5120_WPP54AG:
- case MACH_ADM5120_WPP54G:
- default:
- printk(KERN_ALERT "PCI: irq map is unknown, using defaults.\n");
- break;
- }
-
- for (i=0; i<nr_irqs; i++, p++) {
- if ((p->slot == slot) && (PCI_FUNC(dev->devfn) == p->func) &&
- (p->pin == pin)) {
- irq = p->irq;
- break;
- }
- }
-
- if (irq < 0) {
- printk(KERN_ALERT "PCI: no irq found for %s pin:%u\n",
- pci_name(dev), pin);
- } else {
- printk(KERN_INFO "PCI: mapping irq for %s pin:%u, irq:%d\n",
- pci_name(dev), pin, irq);
- }
-
-out:
- return irq;
-}
-
-static void adm5120_pci_fixup(struct pci_dev *dev)
-{
- if (dev->devfn != 0)
- return;
-
- /* setup COMMAND register */
- pci_write_config_word(dev, PCI_COMMAND,
- (PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER));
-
- /* setup CACHE_LINE_SIZE register */
- pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 4);
-
- /* setting up BARS */
- pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0);
- pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0);
-}
-
-DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ADMTEK, PCI_DEVICE_ID_ADMTEK_ADM5120,
- adm5120_pci_fixup);
-
-int pcibios_plat_dev_init(struct pci_dev *dev)
-{
- return 0;
-}
-
diff --git a/target/linux/adm5120/files/arch/mips/pci/ops-adm5120.c b/target/linux/adm5120/files/arch/mips/pci/ops-adm5120.c
deleted file mode 100644
index 4a9bc99..0000000
--- a/target/linux/adm5120/files/arch/mips/pci/ops-adm5120.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * $Id$
- *
- * ADM5120 specific PCI operations
- *
- * Copyright (C) ADMtek Incorporated.
- * Copyright (C) 2005 Jeroen Vreeken (pe1rxq@amsat.org)
- * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
- * Copyright (C) 2007 OpenWrt.org
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that 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., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- *
- */
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/spinlock.h>
-
-#include <asm/mach-adm5120/adm5120_defs.h>
-
-#define DEBUG 0
-#if DEBUG
-#define DBG(f, ...) printk(f, ## __VA_ARGS__ )
-#else
-#define DBG(f, ...)
-#endif
-
-#define PCI_ENABLE 0x80000000
-
-static spinlock_t pci_lock = SPIN_LOCK_UNLOCKED;
-
-static inline void write_cfgaddr(u32 addr)
-{
- *(volatile u32*)KSEG1ADDR(ADM5120_PCICFG_ADDR) = (addr | PCI_ENABLE);
-}
-
-static inline void write_cfgdata(u32 data)
-{
- *(volatile u32*)KSEG1ADDR(ADM5120_PCICFG_DATA) = data;
-
-}
-
-static inline u32 read_cfgdata(void)
-{
- return (*(volatile u32*)KSEG1ADDR(ADM5120_PCICFG_DATA));
-}
-
-static inline u32 mkaddr(struct pci_bus *bus, unsigned int devfn, int where)
-{
- return (((bus->number & 0xFF) << 16) | ((devfn & 0xFF) << 8) | \
- (where & 0xFC));
-}
-
-static int pci_config_read(struct pci_bus *bus, unsigned int devfn, int where,
- int size, u32 *val)
-{
- unsigned long flags;
- u32 data;
-
- spin_lock_irqsave(&pci_lock, flags);
- write_cfgaddr(mkaddr(bus,devfn,where));
- data = read_cfgdata();
-
- DBG("PCI: cfg_read %02u.%02u.%01u/%02X:%01d, cfg:0x%08X",
- bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, data);
-
- switch (size) {
- case 1:
- if (where & 1)
- data >>= 8;
- if (where & 2)
- data >>= 16;
- data &= 0xFF;
- break;
- case 2:
- if (where & 2)
- data >>= 16;
- data &= 0xFFFF;
- break;
- }
-
- *val = data;
- DBG(", 0x%08X returned\n", data);
- spin_unlock_irqrestore(&pci_lock, flags);
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int pci_config_write(struct pci_bus *bus, unsigned int devfn, int where,
- int size, u32 val)
-{
- unsigned long flags;
- u32 data;
- int s;
-
- spin_lock_irqsave(&pci_lock, flags);
- write_cfgaddr(mkaddr(bus,devfn,where));
- data = read_cfgdata();
-
- DBG("PCI: cfg_write %02u.%02u.%01u/%02X:%01d, cfg:0x%08X",
- bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, data);
-
- switch (size) {
- case 1:
- s = ((where & 3) << 3);
- data &= ~(0xFF << s);
- data |= ((val & 0xFF) << s);
- break;
- case 2:
- s = ((where & 2) << 4);
- data &= ~(0xFFFF << s);
- data |= ((val & 0xFFFF) << s);
- break;
- case 4:
- data = val;
- break;
- }
-
- write_cfgdata(data);
- DBG(", 0x%08X written\n", data);
- spin_unlock_irqrestore(&pci_lock, flags);
-
- return PCIBIOS_SUCCESSFUL;
-}
-
-struct pci_ops adm5120_pci_ops = {
- .read = pci_config_read,
- .write = pci_config_write,
-};
diff --git a/target/linux/adm5120/files/arch/mips/pci/pci-adm5120.c b/target/linux/adm5120/files/arch/mips/pci/pci-adm5120.c
index 2a64770..005b8df 100644
--- a/target/linux/adm5120/files/arch/mips/pci/pci-adm5120.c
+++ b/target/linux/adm5120/files/arch/mips/pci/pci-adm5120.c
@@ -25,28 +25,296 @@
*
*/
#include <linux/types.h>
-#include <linux/pci.h>
#include <linux/kernel.h>
#include <linux/init.h>
+#include <linux/spinlock.h>
+
+#include <linux/pci.h>
+#include <linux/pci_ids.h>
+#include <linux/pci_regs.h>
+
+#include <asm/io.h>
+#include <asm/delay.h>
+#include <asm/bootinfo.h>
+
+#include <adm5120_defs.h>
+#include <adm5120_info.h>
+#include <adm5120_defs.h>
+#include <adm5120_irq.h>
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define DBG(f, a...) printk(KERN_DEBUG f, ## a )
+#else
+#define DBG(f, a...) do {} while (0)
+#endif
+
+#define PCI_ENABLE 0x80000000
+
+static spinlock_t pci_lock = SPIN_LOCK_UNLOCKED;
+
+/* -------------------------------------------------------------------------*/
+
+static inline void write_cfgaddr(u32 addr)
+{
+ __raw_writel((addr | PCI_ENABLE),
+ (void __iomem *)(KSEG1ADDR(ADM5120_PCICFG_ADDR)));
+}
+
+static inline void write_cfgdata(u32 data)
+{
+ __raw_writel(data, (void __iomem *)KSEG1ADDR(ADM5120_PCICFG_DATA));
+}
+
+static inline u32 read_cfgdata(void)
+{
+ return __raw_readl((void __iomem *)KSEG1ADDR(ADM5120_PCICFG_DATA));
+}
+
+static inline u32 mkaddr(struct pci_bus *bus, unsigned int devfn, int where)
+{
+ return (((bus->number & 0xFF) << 16) | ((devfn & 0xFF) << 8) | \
+ (where & 0xFC));
+}
+
+/* -------------------------------------------------------------------------*/
+
+static int pci_config_read(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *val)
+{
+ unsigned long flags;
+ u32 data;
+
+ spin_lock_irqsave(&pci_lock, flags);
+
+ write_cfgaddr(mkaddr(bus,devfn,where));
+ data = read_cfgdata();
+
+ DBG("PCI: cfg_read %02u.%02u.%01u/%02X:%01d, cfg:0x%08X",
+ bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn),
+ where, size, data);
+
+ switch (size) {
+ case 1:
+ if (where & 1)
+ data >>= 8;
+ if (where & 2)
+ data >>= 16;
+ data &= 0xFF;
+ break;
+ case 2:
+ if (where & 2)
+ data >>= 16;
+ data &= 0xFFFF;
+ break;
+ }
+
+ *val = data;
+ DBG(", 0x%08X returned\n", data);
+
+ spin_unlock_irqrestore(&pci_lock, flags);
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int pci_config_write(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 val)
+{
+ unsigned long flags;
+ u32 data;
+ int s;
+
+ spin_lock_irqsave(&pci_lock, flags);
+
+ write_cfgaddr(mkaddr(bus,devfn,where));
+ data = read_cfgdata();
+
+ DBG("PCI: cfg_write %02u.%02u.%01u/%02X:%01d, cfg:0x%08X",
+ bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn),
+ where, size, data);
+
+ switch (size) {
+ case 1:
+ s = ((where & 3) << 3);
+ data &= ~(0xFF << s);
+ data |= ((val & 0xFF) << s);
+ break;
+ case 2:
+ s = ((where & 2) << 4);
+ data &= ~(0xFFFF << s);
+ data |= ((val & 0xFFFF) << s);
+ break;
+ case 4:
+ data = val;
+ break;
+ }
+
+ write_cfgdata(data);
+ DBG(", 0x%08X written\n", data);
-#include <asm/mach-adm5120/adm5120_info.h>
-#include <asm/mach-adm5120/adm5120_defs.h>
-#include <asm/mach-adm5120/adm5120_irq.h>
+ spin_unlock_irqrestore(&pci_lock, flags);
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+struct pci_ops adm5120_pci_ops = {
+ .read = pci_config_read,
+ .write = pci_config_write,
+};
+
+/* -------------------------------------------------------------------------*/
+
+static void adm5120_pci_fixup(struct pci_dev *dev)
+{
+ if (dev->devfn != 0)
+ return;
+
+ /* setup COMMAND register */
+ pci_write_config_word(dev, PCI_COMMAND,
+ (PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER));
+
+ /* setup CACHE_LINE_SIZE register */
+ pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 4);
+
+ /* setup BARS */
+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_0, 0);
+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_1, 0);
+}
+
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ADMTEK, PCI_DEVICE_ID_ADMTEK_ADM5120,
+ adm5120_pci_fixup);
+
+/* -------------------------------------------------------------------------*/
+
+struct adm5120_pci_irq {
+ u8 slot;
+ u8 func;
+ u8 pin;
+ unsigned irq;
+};
+
+#define PCIIRQ(s,f,p,i) { \
+ .slot = (s), \
+ .func = (f), \
+ .pin = (p), \
+ .irq = (i) \
+ }
+
+static struct adm5120_pci_irq default_pci_irqs[] __initdata = {
+ PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
+};
+
+static struct adm5120_pci_irq rb1xx_pci_irqs[] __initdata = {
+ PCIIRQ(1, 0, 1, ADM5120_IRQ_PCI0),
+ PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI1),
+ PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI2)
+};
+
+static struct adm5120_pci_irq cas771_pci_irqs[] __initdata = {
+ PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
+ PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI1),
+ PCIIRQ(3, 2, 3, ADM5120_IRQ_PCI2)
+};
+
+static struct adm5120_pci_irq np28g_pci_irqs[] __initdata = {
+ PCIIRQ(2, 0, 1, ADM5120_IRQ_PCI0),
+ PCIIRQ(3, 0, 1, ADM5120_IRQ_PCI0),
+ PCIIRQ(3, 1, 2, ADM5120_IRQ_PCI1),
+ PCIIRQ(3, 2, 3, ADM5120_IRQ_PCI2)
+};
+
+#define GETMAP(n) do { \
+ nr_irqs = ARRAY_SIZE(n ## _pci_irqs); \
+ p = n ## _pci_irqs; \
+ } while (0)
+
+int __init pcibios_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ struct adm5120_pci_irq *p;
+ int nr_irqs;
+ int i;
+ int irq;
+
+ irq = -1;
+ if (slot < 1 || slot > 3) {
+ printk(KERN_ALERT "PCI: slot number %u is not supported\n",
+ slot);
+ goto out;
+ }
+
+ GETMAP(default);
+
+ switch (mips_machtype) {
+ case MACH_ADM5120_RB_111:
+ case MACH_ADM5120_RB_112:
+ case MACH_ADM5120_RB_133:
+ case MACH_ADM5120_RB_133C:
+ case MACH_ADM5120_RB_153:
+ GETMAP(rb1xx);
+ break;
+ case MACH_ADM5120_NP28G:
+ GETMAP(np28g);
+ break;
+ case MACH_ADM5120_P335:
+ case MACH_ADM5120_P334WT:
+ /* using default mapping */
+ break;
+ case MACH_ADM5120_CAS771:
+ GETMAP(cas771);
+ break;
+
+ case MACH_ADM5120_NP27G:
+ case MACH_ADM5120_NP28GHS:
+ case MACH_ADM5120_WP54AG:
+ case MACH_ADM5120_WP54G:
+ case MACH_ADM5120_WP54G_WRT:
+ case MACH_ADM5120_WPP54AG:
+ case MACH_ADM5120_WPP54G:
+ default:
+ printk(KERN_ALERT "PCI: irq map is unknown, using defaults.\n");
+ break;
+ }
+
+ for (i = 0; i < nr_irqs; i++, p++) {
+ if ((p->slot == slot) && (PCI_FUNC(dev->devfn) == p->func) &&
+ (p->pin == pin)) {
+ irq = p->irq;
+ break;
+ }
+ }
+
+ if (irq < 0) {
+ printk(KERN_ALERT "PCI: no irq found for %s pin:%u\n",
+ pci_name(dev), pin);
+ } else {
+ printk(KERN_INFO "PCI: mapping irq for %s pin:%u, irq:%d\n",
+ pci_name(dev), pin, irq);
+ }
+
+out:
+ return irq;
+}
+
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ return 0;
+}
-extern struct pci_ops adm5120_pci_ops;
+/* -------------------------------------------------------------------------*/
static struct resource pci_io_resource = {
- .name = "ADM5120 PCI I/O",
- .start = ADM5120_PCIIO_BASE,
- .end = ADM5120_PCICFG_ADDR-1,
- .flags = IORESOURCE_IO
+ .name = "ADM5120 PCI I/O",
+ .start = ADM5120_PCIIO_BASE,
+ .end = ADM5120_PCICFG_ADDR-1,
+ .flags = IORESOURCE_IO
};
static struct resource pci_mem_resource = {
- .name = "ADM5120 PCI MEM",
- .start = ADM5120_PCIMEM_BASE,
- .end = ADM5120_PCIIO_BASE-1,
- .flags = IORESOURCE_MEM
+ .name = "ADM5120 PCI MEM",
+ .start = ADM5120_PCIMEM_BASE,
+ .end = ADM5120_PCIIO_BASE-1,
+ .flags = IORESOURCE_MEM
};
static struct pci_controller adm5120_controller = {
@@ -61,7 +329,8 @@ static int __init adm5120_pci_setup(void)
pci_bios = adm5120_has_pci();
- printk("adm5120: system has %sPCI BIOS\n", pci_bios ? "" : "no ");
+ printk(KERN_INFO "adm5120: system has %sPCI BIOS\n",
+ pci_bios ? "" : "no ");
if (pci_bios == 0)
return -1;
diff --git a/target/linux/adm5120/patches-2.6.22/007-adm5120_pci.patch b/target/linux/adm5120/patches-2.6.22/007-adm5120_pci.patch
index 71b97ed..79a5a69 100644
--- a/target/linux/adm5120/patches-2.6.22/007-adm5120_pci.patch
+++ b/target/linux/adm5120/patches-2.6.22/007-adm5120_pci.patch
@@ -6,7 +6,7 @@ Index: linux-2.6.22.1/arch/mips/pci/Makefile
obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o
obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o
obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o
-+obj-$(CONFIG_PCI_ADM5120) += fixup-adm5120.o ops-adm5120.o pci-adm5120.o
++obj-$(CONFIG_PCI_ADM5120) += pci-adm5120.o
Index: linux-2.6.22.1/include/linux/pci_ids.h
===================================================================
--- linux-2.6.22.1.orig/include/linux/pci_ids.h
--
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