diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/arch/x86/include/arch/mmio_conf.h | 67 | ||||
| -rw-r--r-- | src/arch/x86/include/arch/romcc_io.h | 18 | ||||
| -rw-r--r-- | src/arch/x86/lib/pci_ops_mmconf.c | 14 |
3 files changed, 12 insertions, 87 deletions
diff --git a/src/arch/x86/include/arch/mmio_conf.h b/src/arch/x86/include/arch/mmio_conf.h deleted file mode 100644 index 08962f02fa..0000000000 --- a/src/arch/x86/include/arch/mmio_conf.h +++ /dev/null @@ -1,67 +0,0 @@ -#ifndef ARCH_MMIO_H -#define ARCH_MMIO_H 1 - - -// Extended read, constrain to use registers as mandated by AMD MMCONFIG mechanism. - -static inline __attribute__((always_inline)) uint8_t read8x(uint32_t addr) -{ - uint8_t value; - __asm__ volatile ( - "movb (%1), %%al\n\t" - :"=a"(value): "b" (addr) - ); - return value; -} - -static inline __attribute__((always_inline)) uint16_t read16x(uint32_t addr) -{ - uint16_t value; - __asm__ volatile ( - "movw (%1), %%ax\n\t" - :"=a"(value): "b" (addr) - ); - - return value; - -} - -static inline __attribute__((always_inline)) uint32_t read32x(uint32_t addr) -{ - uint32_t value; - __asm__ volatile ( - "movl (%1), %%eax\n\t" - :"=a"(value): "b" (addr) - ); - - return value; - -} - -static inline __attribute__((always_inline)) void write8x(uint32_t addr, uint8_t value) -{ - __asm__ volatile ( - "movb %%al, (%0)\n\t" - :: "b" (addr), "a" (value) - ); - -} - -static inline __attribute__((always_inline)) void write16x(uint32_t addr, uint16_t value) -{ - __asm__ volatile ( - "movw %%ax, (%0)\n\t" - :: "b" (addr), "a" (value) - ); - -} - -static inline __attribute__((always_inline)) void write32x(uint32_t addr, uint32_t value) -{ - __asm__ volatile ( - "movl %%eax, (%0)\n\t" - :: "b" (addr), "a" (value) - ); -} - -#endif /* ARCH_MMIO_H */ diff --git a/src/arch/x86/include/arch/romcc_io.h b/src/arch/x86/include/arch/romcc_io.h index 51dd8eec91..0f949f52ef 100644 --- a/src/arch/x86/include/arch/romcc_io.h +++ b/src/arch/x86/include/arch/romcc_io.h @@ -7,12 +7,6 @@ // also be pulled in here for all romcc/romstage code. // #include <arch/io.h> -#if CONFIG_MMCONF_SUPPORT - -#include <arch/mmio_conf.h> - -#endif - static inline int log2(int value) { unsigned int r = 0; @@ -79,7 +73,7 @@ static inline __attribute__((always_inline)) uint8_t pci_mmio_read_config8(devic { unsigned addr; addr = CONFIG_MMCONF_BASE_ADDRESS | dev | where; - return read8x(addr); + return read8(addr); } #endif static inline __attribute__((always_inline)) uint8_t pci_read_config8(device_t dev, unsigned where) @@ -108,7 +102,7 @@ static inline __attribute__((always_inline)) uint16_t pci_mmio_read_config16(dev { unsigned addr; addr = CONFIG_MMCONF_BASE_ADDRESS | dev | (where & ~1); - return read16x(addr); + return read16(addr); } #endif @@ -139,7 +133,7 @@ static inline __attribute__((always_inline)) uint32_t pci_mmio_read_config32(dev { unsigned addr; addr = CONFIG_MMCONF_BASE_ADDRESS | dev | (where & ~3); - return read32x(addr); + return read32(addr); } #endif @@ -169,7 +163,7 @@ static inline __attribute__((always_inline)) void pci_mmio_write_config8(device_ { unsigned addr; addr = CONFIG_MMCONF_BASE_ADDRESS | dev | where; - write8x(addr, value); + write8(addr, value); } #endif @@ -200,7 +194,7 @@ static inline __attribute__((always_inline)) void pci_mmio_write_config16(device { unsigned addr; addr = CONFIG_MMCONF_BASE_ADDRESS | dev | (where & ~1); - write16x(addr, value); + write16(addr, value); } #endif @@ -231,7 +225,7 @@ static inline __attribute__((always_inline)) void pci_mmio_write_config32(device { unsigned addr; addr = CONFIG_MMCONF_BASE_ADDRESS | dev | (where & ~3); - write32x(addr, value); + write32(addr, value); } #endif diff --git a/src/arch/x86/lib/pci_ops_mmconf.c b/src/arch/x86/lib/pci_ops_mmconf.c index 4f9d8265c1..4eaf2977c0 100644 --- a/src/arch/x86/lib/pci_ops_mmconf.c +++ b/src/arch/x86/lib/pci_ops_mmconf.c @@ -15,42 +15,40 @@ (((DEVFN) & 0xFF) << 12) |\ ((WHERE) & 0xFFF)) -#include <arch/mmio_conf.h> - static uint8_t pci_mmconf_read_config8(struct bus *pbus, int bus, int devfn, int where) { - return (read8x(PCI_MMIO_ADDR(bus, devfn, where))); + return (read8(PCI_MMIO_ADDR(bus, devfn, where))); } static uint16_t pci_mmconf_read_config16(struct bus *pbus, int bus, int devfn, int where) { - return (read16x(PCI_MMIO_ADDR(bus, devfn, where) & ~1)); + return (read16(PCI_MMIO_ADDR(bus, devfn, where) & ~1)); } static uint32_t pci_mmconf_read_config32(struct bus *pbus, int bus, int devfn, int where) { - return (read32x(PCI_MMIO_ADDR(bus, devfn, where) & ~3)); + return (read32(PCI_MMIO_ADDR(bus, devfn, where) & ~3)); } static void pci_mmconf_write_config8(struct bus *pbus, int bus, int devfn, int where, uint8_t value) { - write8x(PCI_MMIO_ADDR(bus, devfn, where), value); + write8(PCI_MMIO_ADDR(bus, devfn, where), value); } static void pci_mmconf_write_config16(struct bus *pbus, int bus, int devfn, int where, uint16_t value) { - write16x(PCI_MMIO_ADDR(bus, devfn, where) & ~1, value); + write16(PCI_MMIO_ADDR(bus, devfn, where) & ~1, value); } static void pci_mmconf_write_config32(struct bus *pbus, int bus, int devfn, int where, uint32_t value) { - write32x(PCI_MMIO_ADDR(bus, devfn, where) & ~3, value); + write32(PCI_MMIO_ADDR(bus, devfn, where) & ~3, value); } const struct pci_bus_operations pci_ops_mmconf = { |