From: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
To: Linus Torvalds <torvalds@transmeta.com>,
Richard Henderson <rth@twiddle.net>
Cc: linux-kernel@vger.kernel.org
Subject: [patch 2.5.33] alpha: pci_ops update
Date: Sat, 7 Sep 2002 12:16:37 +0400 [thread overview]
Message-ID: <20020907121637.A17245@jurassic.park.msu.ru> (raw)
Tested on CIA (sparse config space) and Irongate (dense config space);
other platforms should work as they are similar to these two.
Access config space directly on rx164.
Ivan.
--- 2.5.33/arch/alpha/kernel/sys_rx164.c Wed Apr 17 00:54:30 2002
+++ linux/arch/alpha/kernel/sys_rx164.c Fri Sep 6 12:54:26 2002
@@ -35,16 +35,15 @@
/* Note mask bit is true for ENABLED irqs. */
static unsigned long cached_irq_mask;
-/* Bus 0, Device 0. Nothing else matters, since we invoke the
- POLARIS routines directly. */
-static struct pci_dev rx164_system;
-
static inline void
rx164_update_irq_hw(unsigned long mask)
{
- unsigned int temp;
- polaris_write_config_dword(&rx164_system, 0x74, mask);
- polaris_read_config_dword(&rx164_system, 0x74, &temp);
+ volatile unsigned int *irq_mask;
+
+ irq_mask = (void *)(POLARIS_DENSE_CONFIG_BASE + 0x74);
+ *irq_mask = mask;
+ mb();
+ *irq_mask;
}
static inline void
@@ -86,14 +85,14 @@ static struct hw_interrupt_type rx164_ir
static void
rx164_device_interrupt(unsigned long vector, struct pt_regs *regs)
{
- unsigned int temp;
unsigned long pld;
+ volatile unsigned int *dirr;
long i;
/* Read the interrupt summary register. On Polaris, this is
the DIRR register in PCI config space (offset 0x84). */
- polaris_read_config_dword(&rx164_system, 0x84, &temp);
- pld = temp;
+ dirr = (void *)(POLARIS_DENSE_CONFIG_BASE + 0x84);
+ pld = *dirr;
/*
* Now for every possible bit set, work through them and call
--- 2.5.33/arch/alpha/kernel/core_t2.c Tue Sep 3 01:12:18 2002
+++ linux/arch/alpha/kernel/core_t2.c Fri Sep 6 12:23:45 2002
@@ -89,11 +89,11 @@
*/
static int
-mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where,
unsigned long *pci_addr, unsigned char *type1)
{
unsigned long addr;
- u8 bus = bus_dev->number;
+ u8 bus = pbus->number;
DBG(("mk_conf_addr(bus=%d, dfn=0x%x, where=0x%x,"
" addr=0x%lx, type1=0x%x)\n",
@@ -248,20 +248,8 @@ t2_read_config(struct pci_bus *bus, unsi
if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- switch (size) {
- case 1:
- mask = 0x00;
- shift = (where & 3) * 8;
- break;
- case 2:
- mask = 0x08;
- shift = (where & 3) * 8;
- break;
- case 4:
- mask = 0x18;
- shift = 0;
- break;
- }
+ mask = (size - 1) * 8;
+ shift = (where & 3) * 8;
addr = (pci_addr << 5) + mask + T2_CONF;
*value = conf_read(addr, type1) >> (shift);
return PCIBIOS_SUCCESSFUL;
@@ -275,20 +263,10 @@ t2_write_config(struct pci_bus *bus, uns
unsigned char type1;
long mask;
- if (mk_conf_addr(dev, where, &pci_addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- switch (size) {
- case 1:
- mask = 0x00;
- break;
- case 2:
- mask = 0x08;
- break;
- case 4:
- mask = 0x18;
- break;
- }
+ mask = (size - 1) * 8;
addr = (pci_addr << 5) + mask + T2_CONF;
conf_write(addr, value << ((where & 3) * 8), type1);
return PCIBIOS_SUCCESSFUL;
--- 2.5.33/arch/alpha/kernel/core_polaris.c Tue Sep 3 01:12:18 2002
+++ linux/arch/alpha/kernel/core_polaris.c Fri Sep 6 12:23:45 2002
@@ -65,10 +65,10 @@
*/
static int
-mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where,
unsigned long *pci_addr, u8 *type1)
{
- u8 bus = bus_dev->number;
+ u8 bus = pbus->number;
*type1 = (bus == 0) ? 0 : 1;
*pci_addr = (bus << 16) | (device_fn << 8) | (where) |
@@ -85,13 +85,24 @@ static int
polaris_read_config(struct pci_bus *bus, unsigned int devfn, int where,
int size, u32 *value)
{
- unsigned long pci_addr;
+ unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- *value = __kernel_ldbu(*(vucp)pci_addr);
+ switch (size) {
+ case 1:
+ *value = __kernel_ldbu(*(vucp)addr);
+ break;
+ case 2:
+ *value = __kernel_ldwu(*(vusp)addr);
+ break;
+ case 4:
+ *value = *(vuip)addr;
+ break;
+ }
+
return PCIBIOS_SUCCESSFUL;
}
@@ -100,15 +111,30 @@ static int
polaris_write_config(struct pci_bus *bus, unsigned int devfn, int where,
int size, u32 value)
{
- unsigned long pci_addr;
+ unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- __kernel_stb(value, *(vucp)pci_addr);
- mb();
- __kernel_ldbu(*(vucp)pci_addr);
+ switch (size) {
+ case 1:
+ __kernel_stb(value, *(vucp)addr);
+ mb();
+ __kernel_ldbu(*(vucp)addr);
+ break;
+ case 2:
+ __kernel_stw(value, *(vusp)addr);
+ mb();
+ __kernel_ldwu(*(vusp)addr);
+ break;
+ case 4:
+ *(vuip)addr = value;
+ mb();
+ *(vuip)addr;
+ break;
+ }
+
return PCIBIOS_SUCCESSFUL;
}
--- 2.5.33/arch/alpha/kernel/core_lca.c Tue Sep 3 01:12:18 2002
+++ linux/arch/alpha/kernel/core_lca.c Fri Sep 6 12:23:45 2002
@@ -99,11 +99,11 @@
*/
static int
-mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where,
unsigned long *pci_addr)
{
unsigned long addr;
- u8 bus = bus_dev->number;
+ u8 bus = pbus->number;
if (bus == 0) {
int device = device_fn >> 3;
@@ -204,32 +204,20 @@ lca_read_config(struct pci_bus *bus, uns
{
unsigned long addr, pci_addr;
long mask;
- int shift
+ int shift;
- if (mk_conf_addr(bus, devfn, dev, where, &pci_addr))
+ if (mk_conf_addr(bus, devfn, where, &pci_addr))
return PCIBIOS_DEVICE_NOT_FOUND;
- switch (size) {
- case 1:
- shift = (where & 3) * 8;
- mask = 0x00;
- break;
- case 2:
- shift = (where & 3) * 8;
- mask = 0x08
- break;
- case 4:
- shift = 0;
- mask = 0x18
- break;
- }
+ shift = (where & 3) * 8;
+ mask = (size - 1) * 8;
addr = (pci_addr << 5) + mask + LCA_CONF;
*value = conf_read(addr) >> (shift);
return PCIBIOS_SUCCESSFUL;
}
static int
-lca_write_config(struct pci_bus *dev, unsigned int devfn, int where, int size,
+lca_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
u32 value)
{
unsigned long addr, pci_addr;
@@ -238,17 +226,7 @@ lca_write_config(struct pci_bus *dev, un
if (mk_conf_addr(bus, devfn, where, &pci_addr))
return PCIBIOS_DEVICE_NOT_FOUND;
- switch (size) {
- case 1:
- mask = 0x00;
- break;
- case 2:
- mask = 0x08
- break;
- case 4:
- mask = 0x18
- break;
- }
+ mask = (size - 1) * 8;
addr = (pci_addr << 5) + mask + LCA_CONF;
conf_write(addr, value << ((where & 3) * 8));
return PCIBIOS_SUCCESSFUL;
--- 2.5.33/arch/alpha/kernel/core_irongate.c Tue Sep 3 01:12:18 2002
+++ linux/arch/alpha/kernel/core_irongate.c Fri Sep 6 12:23:45 2002
@@ -83,11 +83,11 @@
*/
static int
-mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where,
unsigned long *pci_addr, unsigned char *type1)
{
unsigned long addr;
- u8 bus = bus_dev->number;
+ u8 bus = pbus->number;
DBG_CFG(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x, "
"pci_addr=0x%p, type1=0x%p)\n",
@@ -113,7 +113,18 @@ irongate_read_config(struct pci_bus *bus
if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- *value = __kernel_ldbu(*(vucp)addr);
+ switch (size) {
+ case 1:
+ *value = __kernel_ldbu(*(vucp)addr);
+ break;
+ case 2:
+ *value = __kernel_ldwu(*(vusp)addr);
+ break;
+ case 4:
+ *value = *(vuip)addr;
+ break;
+ }
+
return PCIBIOS_SUCCESSFUL;
}
@@ -127,12 +138,26 @@ irongate_write_config(struct pci_bus *bu
if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- __kernel_stb(value, *(vucp)addr);
- mb();
- __kernel_ldbu(*(vucp)addr);
+ switch (size) {
+ case 1:
+ __kernel_stb(value, *(vucp)addr);
+ mb();
+ __kernel_ldbu(*(vucp)addr);
+ break;
+ case 2:
+ __kernel_stw(value, *(vusp)addr);
+ mb();
+ __kernel_ldwu(*(vusp)addr);
+ break;
+ case 4:
+ *(vuip)addr = value;
+ mb();
+ *(vuip)addr;
+ break;
+ }
+
return PCIBIOS_SUCCESSFUL;
}
-
struct pci_ops irongate_pci_ops =
{
--- 2.5.33/arch/alpha/kernel/core_cia.c Tue Sep 3 01:12:18 2002
+++ linux/arch/alpha/kernel/core_cia.c Fri Sep 6 12:23:45 2002
@@ -219,22 +219,9 @@ cia_read_config(struct pci_bus *bus, uns
if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- switch (size) {
- case 1:
- mask = 0x00;
- shift = (where & 3) * 8;
- break;
- case 2:
- mask = 0x08;
- shift = (where & 3) * 8;
- break;
- case 4:
- mase = 0x18;
- shift = 0;
- break;
- }
-
- addr = (pci_addr << 5) + 0x18 + CIA_CONF;
+ mask = (size - 1) * 8;
+ shift = (where & 3) * 8;
+ addr = (pci_addr << 5) + mask + CIA_CONF;
*value = conf_read(addr, type1) >> (shift);
return PCIBIOS_SUCCESSFUL;
}
@@ -250,18 +237,7 @@ cia_write_config(struct pci_bus *bus, un
if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- switch (size) {
- case 1:
- mask = 0x00;
- break;
- case 2:
- mask = 0x08;
- break;
- case 4:
- mase = 0x18;
- break;
- }
-
+ mask = (size - 1) * 8;
addr = (pci_addr << 5) + mask + CIA_CONF;
conf_write(addr, value << ((where & 3) * 8), type1);
return PCIBIOS_SUCCESSFUL;
--- 2.5.33/arch/alpha/kernel/core_apecs.c Tue Sep 3 01:12:18 2002
+++ linux/arch/alpha/kernel/core_apecs.c Fri Sep 6 12:23:45 2002
@@ -90,11 +90,11 @@
*/
static int
-mk_conf_addr(struct pci_bus *bus_dev, unsigned int device_fn, int where,
+mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where,
unsigned long *pci_addr, unsigned char *type1)
{
unsigned long addr;
- u8 bus = bus_dev->number;
+ u8 bus = pbus->number;
DBGC(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x,"
" pci_addr=0x%p, type1=0x%p)\n",
@@ -272,8 +272,8 @@ conf_write(unsigned long addr, unsigned
}
static int
-apecs_read_config(struct pci_bus *bus, unsigned int devfn, int where, int size,
- u8 *value)
+apecs_read_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *value)
{
unsigned long addr, pci_addr;
unsigned char type1;
@@ -283,27 +283,16 @@ apecs_read_config(struct pci_bus *bus, u
if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- switch (size) {
- case 1:
- mask = 0x00;
- shift = (where & 3) * 8;
- break;
- case 2:
- mask = 0x08;
- shift = (where & 3) * 8;
- break;
- case 4:
- mask = 0x18;
- shift = 0;
- break;
- }
+ mask = (size - 1) * 8;
+ shift = (where & 3) * 8;
addr = (pci_addr << 5) + mask + APECS_CONF;
*value = conf_read(addr, type1) >> (shift);
return PCIBIOS_SUCCESSFUL;
}
static int
-apecs_write_config(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
+apecs_write_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 value)
{
unsigned long addr, pci_addr;
unsigned char type1;
@@ -312,17 +301,7 @@ apecs_write_config(struct pci_bus *bus,
if (mk_conf_addr(bus, devfn, where, &pci_addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- switch (size) {
- case 1:
- mask = 0x00;
- break;
- case 2:
- mask = 0x08;
- break;
- case 4:
- mask = 0x18;
- break;
- }
+ mask = (size - 1) * 8;
addr = (pci_addr << 5) + mask + APECS_CONF;
conf_write(addr, value << ((where & 3) * 8), type1);
return PCIBIOS_SUCCESSFUL;
--- 2.5.33/arch/alpha/kernel/core_wildfire.c Mon Mar 18 23:37:02 2002
+++ linux/arch/alpha/kernel/core_wildfire.c Fri Sep 6 12:23:45 2002
@@ -357,19 +357,18 @@ wildfire_pci_tbi(struct pci_controller *
}
static int
-mk_conf_addr(struct pci_dev *dev, int where, unsigned long *pci_addr,
- unsigned char *type1)
+mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where,
+ unsigned long *pci_addr, unsigned char *type1)
{
- struct pci_controller *hose = dev->sysdata;
+ struct pci_controller *hose = pbus->sysdata;
unsigned long addr;
- u8 bus = dev->bus->number;
- u8 device_fn = dev->devfn;
+ u8 bus = pbus->number;
DBG_CFG(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x, "
"pci_addr=0x%p, type1=0x%p)\n",
bus, device_fn, where, pci_addr, type1));
- if (hose->first_busno == dev->bus->number)
+ if (hose->first_busno == bus)
bus = 0;
*type1 = (bus != 0);
@@ -382,97 +381,65 @@ mk_conf_addr(struct pci_dev *dev, int wh
}
static int
-wildfire_read_config_byte(struct pci_dev *dev, int where, u8 *value)
+wildfire_read_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *value)
{
unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, &addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- *value = __kernel_ldbu(*(vucp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-wildfire_read_config_word(struct pci_dev *dev, int where, u16 *value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *value = __kernel_ldwu(*(vusp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
+ switch (size) {
+ case 1:
+ *value = __kernel_ldbu(*(vucp)addr);
+ break;
+ case 2:
+ *value = __kernel_ldwu(*(vusp)addr);
+ break;
+ case 4:
+ *value = *(vuip)addr;
+ break;
+ }
-static int
-wildfire_read_config_dword(struct pci_dev *dev, int where, u32 *value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *value = *(vuip)addr;
return PCIBIOS_SUCCESSFUL;
}
static int
-wildfire_write_config_byte(struct pci_dev *dev, int where, u8 value)
+wildfire_write_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 value)
{
unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, &addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- __kernel_stb(value, *(vucp)addr);
- mb();
- __kernel_ldbu(*(vucp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-wildfire_write_config_word(struct pci_dev *dev, int where, u16 value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- __kernel_stw(value, *(vusp)addr);
- mb();
- __kernel_ldwu(*(vusp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-wildfire_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
+ switch (size) {
+ case 1:
+ __kernel_stb(value, *(vucp)addr);
+ mb();
+ __kernel_ldbu(*(vucp)addr);
+ break;
+ case 2:
+ __kernel_stw(value, *(vusp)addr);
+ mb();
+ __kernel_ldwu(*(vusp)addr);
+ break;
+ case 4:
+ *(vuip)addr = value;
+ mb();
+ *(vuip)addr;
+ break;
+ }
- *(vuip)addr = value;
- mb();
- *(vuip)addr;
return PCIBIOS_SUCCESSFUL;
}
struct pci_ops wildfire_pci_ops =
{
- read_byte: wildfire_read_config_byte,
- read_word: wildfire_read_config_word,
- read_dword: wildfire_read_config_dword,
- write_byte: wildfire_write_config_byte,
- write_word: wildfire_write_config_word,
- write_dword: wildfire_write_config_dword
+ .read = wildfire_read_config,
+ .write = wildfire_write_config,
};
#if DEBUG_DUMP_REGS
--- 2.5.33/arch/alpha/kernel/core_tsunami.c Mon Mar 18 23:37:12 2002
+++ linux/arch/alpha/kernel/core_tsunami.c Fri Sep 6 12:23:45 2002
@@ -89,19 +89,18 @@ static struct
*/
static int
-mk_conf_addr(struct pci_dev *dev, int where, unsigned long *pci_addr,
- unsigned char *type1)
+mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where,
+ unsigned long *pci_addr, unsigned char *type1)
{
- struct pci_controller *hose = dev->sysdata;
+ struct pci_controller *hose = pbus->sysdata;
unsigned long addr;
- u8 bus = dev->bus->number;
- u8 device_fn = dev->devfn;
+ u8 bus = pbus->number;
DBG_CFG(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x, "
"pci_addr=0x%p, type1=0x%p)\n",
bus, device_fn, where, pci_addr, type1));
- if (hose->first_busno == dev->bus->number)
+ if (hose->first_busno == bus)
bus = 0;
*type1 = (bus != 0);
@@ -114,97 +113,65 @@ mk_conf_addr(struct pci_dev *dev, int wh
}
static int
-tsunami_read_config_byte(struct pci_dev *dev, int where, u8 *value)
+tsunami_read_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *value)
{
unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, &addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- *value = __kernel_ldbu(*(vucp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-tsunami_read_config_word(struct pci_dev *dev, int where, u16 *value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *value = __kernel_ldwu(*(vusp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
+ switch (size) {
+ case 1:
+ *value = __kernel_ldbu(*(vucp)addr);
+ break;
+ case 2:
+ *value = __kernel_ldwu(*(vusp)addr);
+ break;
+ case 4:
+ *value = *(vuip)addr;
+ break;
+ }
-static int
-tsunami_read_config_dword(struct pci_dev *dev, int where, u32 *value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *value = *(vuip)addr;
return PCIBIOS_SUCCESSFUL;
}
static int
-tsunami_write_config_byte(struct pci_dev *dev, int where, u8 value)
+tsunami_write_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 value)
{
unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, &addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- __kernel_stb(value, *(vucp)addr);
- mb();
- __kernel_ldbu(*(vucp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-tsunami_write_config_word(struct pci_dev *dev, int where, u16 value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- __kernel_stw(value, *(vusp)addr);
- mb();
- __kernel_ldwu(*(vusp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-tsunami_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
+ switch (size) {
+ case 1:
+ __kernel_stb(value, *(vucp)addr);
+ mb();
+ __kernel_ldbu(*(vucp)addr);
+ break;
+ case 2:
+ __kernel_stw(value, *(vusp)addr);
+ mb();
+ __kernel_ldwu(*(vusp)addr);
+ break;
+ case 4:
+ *(vuip)addr = value;
+ mb();
+ *(vuip)addr;
+ break;
+ }
- *(vuip)addr = value;
- mb();
- *(vuip)addr;
return PCIBIOS_SUCCESSFUL;
}
struct pci_ops tsunami_pci_ops =
{
- read_byte: tsunami_read_config_byte,
- read_word: tsunami_read_config_word,
- read_dword: tsunami_read_config_dword,
- write_byte: tsunami_write_config_byte,
- write_word: tsunami_write_config_word,
- write_dword: tsunami_write_config_dword
+ .read = tsunami_read_config,
+ .write = tsunami_write_config,
};
\f
void
--- 2.5.33/arch/alpha/kernel/core_titan.c Mon Mar 18 23:37:09 2002
+++ linux/arch/alpha/kernel/core_titan.c Fri Sep 6 12:23:45 2002
@@ -82,19 +82,18 @@ static struct
*/
static int
-mk_conf_addr(struct pci_dev *dev, int where, unsigned long *pci_addr,
- unsigned char *type1)
+mk_conf_addr(struct pci_bus *pbus, unsigned int device_fn, int where,
+ unsigned long *pci_addr, unsigned char *type1)
{
- struct pci_controller *hose = dev->sysdata;
+ struct pci_controller *hose = pbus->sysdata;
unsigned long addr;
- u8 bus = dev->bus->number;
- u8 device_fn = dev->devfn;
+ u8 bus = pbus->number;
DBG_CFG(("mk_conf_addr(bus=%d ,device_fn=0x%x, where=0x%x, "
"pci_addr=0x%p, type1=0x%p)\n",
bus, device_fn, where, pci_addr, type1));
- if (hose->first_busno == dev->bus->number)
+ if (hose->first_busno == bus)
bus = 0;
*type1 = (bus != 0);
@@ -106,98 +105,66 @@ mk_conf_addr(struct pci_dev *dev, int wh
return 0;
}
-static int
-titan_read_config_byte(struct pci_dev *dev, int where, u8 *value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *value = __kernel_ldbu(*(vucp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-titan_read_config_word(struct pci_dev *dev, int where, u16 *value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- *value = __kernel_ldwu(*(vusp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
static int
-titan_read_config_dword(struct pci_dev *dev, int where, u32 *value)
+titan_read_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *value)
{
unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, &addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- *value = *(vuip)addr;
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-titan_write_config_byte(struct pci_dev *dev, int where, u8 value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
+ switch (size) {
+ case 1:
+ *value = __kernel_ldbu(*(vucp)addr);
+ break;
+ case 2:
+ *value = __kernel_ldwu(*(vusp)addr);
+ break;
+ case 4:
+ *value = *(vuip)addr;
+ break;
+ }
- __kernel_stb(value, *(vucp)addr);
- mb();
- __kernel_ldbu(*(vucp)addr);
return PCIBIOS_SUCCESSFUL;
}
static int
-titan_write_config_word(struct pci_dev *dev, int where, u16 value)
+titan_write_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 value)
{
unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, &addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- __kernel_stw(value, *(vusp)addr);
- mb();
- __kernel_ldwu(*(vusp)addr);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-titan_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
+ switch (size) {
+ case 1:
+ __kernel_stb(value, *(vucp)addr);
+ mb();
+ __kernel_ldbu(*(vucp)addr);
+ break;
+ case 2:
+ __kernel_stw(value, *(vusp)addr);
+ mb();
+ __kernel_ldwu(*(vusp)addr);
+ break;
+ case 4:
+ *(vuip)addr = value;
+ mb();
+ *(vuip)addr;
+ break;
+ }
- *(vuip)addr = value;
- mb();
- *(vuip)addr;
return PCIBIOS_SUCCESSFUL;
}
struct pci_ops titan_pci_ops =
{
- read_byte: titan_read_config_byte,
- read_word: titan_read_config_word,
- read_dword: titan_read_config_dword,
- write_byte: titan_write_config_byte,
- write_word: titan_write_config_word,
- write_dword: titan_write_config_dword
+ .read = titan_read_config,
+ .write = titan_write_config,
};
\f
--- 2.5.33/arch/alpha/kernel/core_mcpcia.c Mon Aug 5 00:56:40 2002
+++ linux/arch/alpha/kernel/core_mcpcia.c Fri Sep 6 12:36:45 2002
@@ -171,11 +171,11 @@ conf_write(unsigned long addr, unsigned
}
static int
-mk_conf_addr(struct pci_dev *dev, int where, struct pci_controller *hose,
- unsigned long *pci_addr, unsigned char *type1)
+mk_conf_addr(struct pci_bus *pbus, unsigned int devfn, int where,
+ struct pci_controller *hose, unsigned long *pci_addr,
+ unsigned char *type1)
{
- u8 bus = dev->bus->number;
- u8 devfn = dev->devfn;
+ u8 bus = pbus->number;
unsigned long addr;
DBG_CFG(("mk_conf_addr(bus=%d,devfn=0x%x,hose=%d,where=0x%x,"
@@ -185,7 +185,7 @@ mk_conf_addr(struct pci_dev *dev, int wh
/* Type 1 configuration cycle for *ALL* busses. */
*type1 = 1;
- if (dev->bus->number == hose->first_busno)
+ if (bus == hose->first_busno)
bus = 0;
addr = (bus << 16) | (devfn << 8) | (where);
addr <<= 5; /* swizzle for SPARSE */
@@ -197,94 +197,53 @@ mk_conf_addr(struct pci_dev *dev, int wh
}
static int
-mcpcia_read_config_byte(struct pci_dev *dev, int where, u8 *value)
+mcpcia_read_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 *value)
{
- struct pci_controller *hose = dev->sysdata;
+ struct pci_controller *hose = bus->sysdata;
unsigned long addr, w;
unsigned char type1;
- if (mk_conf_addr(dev, where, hose, &addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, hose, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- addr |= 0x00;
+ addr |= (size - 1) * 8;
w = conf_read(addr, type1, hose);
- *value = __kernel_extbl(w, where & 3);
+ switch (size) {
+ case 1:
+ *value = __kernel_extbl(w, where & 3);
+ break;
+ case 2:
+ *value = __kernel_extwl(w, where & 3);
+ break;
+ case 4:
+ *value = w;
+ break;
+ }
return PCIBIOS_SUCCESSFUL;
}
static int
-mcpcia_read_config_word(struct pci_dev *dev, int where, u16 *value)
+mcpcia_write_config(struct pci_bus *bus, unsigned int devfn, int where,
+ int size, u32 value)
{
- struct pci_controller *hose = dev->sysdata;
- unsigned long addr, w;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, hose, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr |= 0x08;
- w = conf_read(addr, type1, hose);
- *value = __kernel_extwl(w, where & 3);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-mcpcia_read_config_dword(struct pci_dev *dev, int where, u32 *value)
-{
- struct pci_controller *hose = dev->sysdata;
+ struct pci_controller *hose = bus->sysdata;
unsigned long addr;
unsigned char type1;
- if (mk_conf_addr(dev, where, hose, &addr, &type1))
+ if (mk_conf_addr(bus, devfn, where, hose, &addr, &type1))
return PCIBIOS_DEVICE_NOT_FOUND;
- addr |= 0x18;
- *value = conf_read(addr, type1, hose);
- return PCIBIOS_SUCCESSFUL;
-}
-
-static int
-mcpcia_write_config(struct pci_dev *dev, int where, u32 value, long mask)
-{
- struct pci_controller *hose = dev->sysdata;
- unsigned long addr;
- unsigned char type1;
-
- if (mk_conf_addr(dev, where, hose, &addr, &type1))
- return PCIBIOS_DEVICE_NOT_FOUND;
-
- addr |= mask;
+ addr |= (size - 1) * 8;
value = __kernel_insql(value, where & 3);
conf_write(addr, value, type1, hose);
return PCIBIOS_SUCCESSFUL;
}
-static int
-mcpcia_write_config_byte(struct pci_dev *dev, int where, u8 value)
-{
- return mcpcia_write_config(dev, where, value, 0x00);
-}
-
-static int
-mcpcia_write_config_word(struct pci_dev *dev, int where, u16 value)
-{
- return mcpcia_write_config(dev, where, value, 0x08);
-}
-
-static int
-mcpcia_write_config_dword(struct pci_dev *dev, int where, u32 value)
-{
- return mcpcia_write_config(dev, where, value, 0x18);
-}
-
struct pci_ops mcpcia_pci_ops =
{
- read_byte: mcpcia_read_config_byte,
- read_word: mcpcia_read_config_word,
- read_dword: mcpcia_read_config_dword,
- write_byte: mcpcia_write_config_byte,
- write_word: mcpcia_write_config_word,
- write_dword: mcpcia_write_config_dword
+ .read = mcpcia_read_config,
+ .write = mcpcia_write_config,
};
\f
void
reply other threads:[~2002-09-07 8:12 UTC|newest]
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