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device/pci_ops: Rename 'where' to 'reg'

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One could understand 'where' as bus, device, function
or register. Make it clear it is register.

Change-Id: I95d0330ba40510e48be70ca1d8f58aca66c8f695
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/31846
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Kyösti Mälkki
2019-03-11 20:33:01 +02:00
parent 5517246a0d
commit b603fdc462
6 changed files with 116 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
src/arch/x86/include/arch/pci_io_cfg.h
View File

@@ -19,60 +19,60 @@
#include <device/pci_type.h>
static __always_inline
uint32_t pci_io_encode_addr(pci_devfn_t dev, uint16_t where)
uint32_t pci_io_encode_addr(pci_devfn_t dev, uint16_t reg)
{
if (CONFIG(PCI_IO_CFG_EXT)) {
// seg == 0
return dev >> 4 | (where & 0xff) | ((where & 0xf00) << 16);
return dev >> 4 | (reg & 0xff) | ((reg & 0xf00) << 16);
} else {
return dev >> 4 | where;
return dev >> 4 | reg;
}
}
static __always_inline
uint8_t pci_io_read_config8(pci_devfn_t dev, uint16_t where)
uint8_t pci_io_read_config8(pci_devfn_t dev, uint16_t reg)
{
uint32_t addr = pci_io_encode_addr(dev, where);
uint32_t addr = pci_io_encode_addr(dev, reg);
outl(0x80000000 | (addr & ~3), 0xCF8);
return inb(0xCFC + (addr & 3));
}
static __always_inline
uint16_t pci_io_read_config16(pci_devfn_t dev, uint16_t where)
uint16_t pci_io_read_config16(pci_devfn_t dev, uint16_t reg)
{
uint32_t addr = pci_io_encode_addr(dev, where);
uint32_t addr = pci_io_encode_addr(dev, reg);
outl(0x80000000 | (addr & ~3), 0xCF8);
return inw(0xCFC + (addr & 2));
}
static __always_inline
uint32_t pci_io_read_config32(pci_devfn_t dev, uint16_t where)
uint32_t pci_io_read_config32(pci_devfn_t dev, uint16_t reg)
{
uint32_t addr = pci_io_encode_addr(dev, where);
uint32_t addr = pci_io_encode_addr(dev, reg);
outl(0x80000000 | (addr & ~3), 0xCF8);
return inl(0xCFC);
}
static __always_inline
void pci_io_write_config8(pci_devfn_t dev, uint16_t where, uint8_t value)
void pci_io_write_config8(pci_devfn_t dev, uint16_t reg, uint8_t value)
{
uint32_t addr = pci_io_encode_addr(dev, where);
uint32_t addr = pci_io_encode_addr(dev, reg);
outl(0x80000000 | (addr & ~3), 0xCF8);
outb(value, 0xCFC + (addr & 3));
}
static __always_inline
void pci_io_write_config16(pci_devfn_t dev, uint16_t where, uint16_t value)
void pci_io_write_config16(pci_devfn_t dev, uint16_t reg, uint16_t value)
{
uint32_t addr = pci_io_encode_addr(dev, where);
uint32_t addr = pci_io_encode_addr(dev, reg);
outl(0x80000000 | (addr & ~3), 0xCF8);
outw(value, 0xCFC + (addr & 2));
}
static __always_inline
void pci_io_write_config32(pci_devfn_t dev, uint16_t where, uint32_t value)
void pci_io_write_config32(pci_devfn_t dev, uint16_t reg, uint32_t value)
{
uint32_t addr = pci_io_encode_addr(dev, where);
uint32_t addr = pci_io_encode_addr(dev, reg);
outl(0x80000000 | (addr & ~3), 0xCF8);
outl(value, 0xCFC);
}
@@ -85,39 +85,39 @@ void pci_io_write_config32(pci_devfn_t dev, uint16_t where, uint32_t value)
*/
static __always_inline
uint8_t pci_s_read_config8(pci_devfn_t dev, uint16_t where)
uint8_t pci_s_read_config8(pci_devfn_t dev, uint16_t reg)
{
return pci_io_read_config8(dev, where);
return pci_io_read_config8(dev, reg);
}
static __always_inline
uint16_t pci_s_read_config16(pci_devfn_t dev, uint16_t where)
uint16_t pci_s_read_config16(pci_devfn_t dev, uint16_t reg)
{
return pci_io_read_config16(dev, where);
return pci_io_read_config16(dev, reg);
}
static __always_inline
uint32_t pci_s_read_config32(pci_devfn_t dev, uint16_t where)
uint32_t pci_s_read_config32(pci_devfn_t dev, uint16_t reg)
{
return pci_io_read_config32(dev, where);
return pci_io_read_config32(dev, reg);
}
static __always_inline
void pci_s_write_config8(pci_devfn_t dev, uint16_t where, uint8_t value)
void pci_s_write_config8(pci_devfn_t dev, uint16_t reg, uint8_t value)
{
pci_io_write_config8(dev, where, value);
pci_io_write_config8(dev, reg, value);
}
static __always_inline
void pci_s_write_config16(pci_devfn_t dev, uint16_t where, uint16_t value)
void pci_s_write_config16(pci_devfn_t dev, uint16_t reg, uint16_t value)
{
pci_io_write_config16(dev, where, value);
pci_io_write_config16(dev, reg, value);
}
static __always_inline
void pci_s_write_config32(pci_devfn_t dev, uint16_t where, uint32_t value)
void pci_s_write_config32(pci_devfn_t dev, uint16_t reg, uint32_t value)
{
pci_io_write_config32(dev, where, value);
pci_io_write_config32(dev, reg, value);
}
#endif

42
src/arch/x86/pci_ops_conf1.c
View File

@@ -19,50 +19,50 @@
*/
#if !CONFIG(PCI_IO_CFG_EXT)
#define CONF_CMD(dev, where) (0x80000000 | ((dev)->bus->secondary << 16) | \
((dev)->path.pci.devfn << 8) | (where & ~3))
#define CONF_CMD(dev, reg) (0x80000000 | ((dev)->bus->secondary << 16) | \
((dev)->path.pci.devfn << 8) | (reg & ~3))
#else
#define CONF_CMD(dev, where) (0x80000000 | ((dev)->bus->secondary << 16) | \
((dev)->path.pci.devfn << 8) | ((where & 0xff) & ~3) |\
((where & 0xf00)<<16))
#define CONF_CMD(dev, reg) (0x80000000 | ((dev)->bus->secondary << 16) | \
((dev)->path.pci.devfn << 8) | ((reg & 0xff) & ~3) |\
((reg & 0xf00)<<16))
#endif
static uint8_t pci_conf1_read_config8(const struct device *dev, uint16_t where)
static uint8_t pci_conf1_read_config8(const struct device *dev, uint16_t reg)
{
outl(CONF_CMD(dev, where), 0xCF8);
return inb(0xCFC + (where & 3));
outl(CONF_CMD(dev, reg), 0xCF8);
return inb(0xCFC + (reg & 3));
}
static uint16_t pci_conf1_read_config16(const struct device *dev, uint16_t where)
static uint16_t pci_conf1_read_config16(const struct device *dev, uint16_t reg)
{
outl(CONF_CMD(dev, where), 0xCF8);
return inw(0xCFC + (where & 2));
outl(CONF_CMD(dev, reg), 0xCF8);
return inw(0xCFC + (reg & 2));
}
static uint32_t pci_conf1_read_config32(const struct device *dev, uint16_t where)
static uint32_t pci_conf1_read_config32(const struct device *dev, uint16_t reg)
{
outl(CONF_CMD(dev, where), 0xCF8);
outl(CONF_CMD(dev, reg), 0xCF8);
return inl(0xCFC);
}
static void pci_conf1_write_config8(const struct device *dev, uint16_t where,
static void pci_conf1_write_config8(const struct device *dev, uint16_t reg,
uint8_t value)
{
outl(CONF_CMD(dev, where), 0xCF8);
outb(value, 0xCFC + (where & 3));
outl(CONF_CMD(dev, reg), 0xCF8);
outb(value, 0xCFC + (reg & 3));
}
static void pci_conf1_write_config16(const struct device *dev, uint16_t where,
static void pci_conf1_write_config16(const struct device *dev, uint16_t reg,
uint16_t value)
{
outl(CONF_CMD(dev, where), 0xCF8);
outw(value, 0xCFC + (where & 2));
outl(CONF_CMD(dev, reg), 0xCF8);
outw(value, 0xCFC + (reg & 2));
}
static void pci_conf1_write_config32(const struct device *dev, uint16_t where,
static void pci_conf1_write_config32(const struct device *dev, uint16_t reg,
uint32_t value)
{
outl(CONF_CMD(dev, where), 0xCF8);
outl(CONF_CMD(dev, reg), 0xCF8);
outl(value, 0xCFC);
}