Kyösti Mälkki (kyosti.malkki@gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/3871
-gerrit
commit cac2ecf29b40118857cfeaa4c975dc4dcf400b34 Author: Kyösti Mälkki kyosti.malkki@gmail.com Date: Thu Jun 20 20:25:21 2013 +0300
Add pnp_devfn_t and use with __SIMPLE_DEVICE__
Declare the functions that may be used in both romstage and ramstage with simple device model. This will later allow to define PNP access functions for ramstage using the inlined functions from romstage.
Change-Id: I2a0bd8194acaf9c4c7252a29376eec363397e3a6 Signed-off-by: Kyösti Mälkki kyosti.malkki@gmail.com --- src/arch/x86/include/arch/io.h | 26 +++++++++++++++++--------- src/include/device/device.h | 1 + 2 files changed, 18 insertions(+), 9 deletions(-)
diff --git a/src/arch/x86/include/arch/io.h b/src/arch/x86/include/arch/io.h index 8591465..50264f6 100644 --- a/src/arch/x86/include/arch/io.h +++ b/src/arch/x86/include/arch/io.h @@ -214,6 +214,7 @@ static inline int log2f(int value) typedef u32 device_t;
typedef u32 pci_devfn_t; +typedef u32 pnp_devfn_t;
/* FIXME: We need to make the coreboot to run at 64bit mode, So when read/write memory above 4G, * We don't need to set %fs, and %gs anymore @@ -284,53 +285,60 @@ static inline pci_devfn_t pci_locate_device_on_bus(unsigned pci_id, unsigned bus }
/* Generic functions for pnp devices */ -static inline __attribute__((always_inline)) void pnp_write_config(device_t dev, uint8_t reg, uint8_t value) +static inline __attribute__((always_inline)) void pnp_write_config(pnp_devfn_t dev, uint8_t reg, uint8_t value) { unsigned port = dev >> 8; outb(reg, port ); outb(value, port +1); }
-static inline __attribute__((always_inline)) uint8_t pnp_read_config(device_t dev, uint8_t reg) +static inline __attribute__((always_inline)) uint8_t pnp_read_config(pnp_devfn_t dev, uint8_t reg) { unsigned port = dev >> 8; outb(reg, port); return inb(port +1); }
-static inline __attribute__((always_inline)) void pnp_set_logical_device(device_t dev) +static inline __attribute__((always_inline)) +void pnp_set_logical_device(pnp_devfn_t dev) { unsigned device = dev & 0xff; pnp_write_config(dev, 0x07, device); }
-static inline __attribute__((always_inline)) void pnp_set_enable(device_t dev, int enable) +static inline __attribute__((always_inline)) +void pnp_set_enable(pnp_devfn_t dev, int enable) { pnp_write_config(dev, 0x30, enable?0x1:0x0); }
-static inline __attribute__((always_inline)) int pnp_read_enable(device_t dev) +static inline __attribute__((always_inline)) +int pnp_read_enable(pnp_devfn_t dev) { return !!pnp_read_config(dev, 0x30); }
-static inline __attribute__((always_inline)) void pnp_set_iobase(device_t dev, unsigned index, unsigned iobase) +static inline __attribute__((always_inline)) +void pnp_set_iobase(pnp_devfn_t dev, unsigned index, unsigned iobase) { pnp_write_config(dev, index + 0, (iobase >> 8) & 0xff); pnp_write_config(dev, index + 1, iobase & 0xff); }
-static inline __attribute__((always_inline)) uint16_t pnp_read_iobase(device_t dev, unsigned index) +static inline __attribute__((always_inline)) +uint16_t pnp_read_iobase(pnp_devfn_t dev, unsigned index) { return ((uint16_t)(pnp_read_config(dev, index)) << 8) | pnp_read_config(dev, index + 1); }
-static inline __attribute__((always_inline)) void pnp_set_irq(device_t dev, unsigned index, unsigned irq) +static inline __attribute__((always_inline)) +void pnp_set_irq(pnp_devfn_t dev, unsigned index, unsigned irq) { pnp_write_config(dev, index, irq); }
-static inline __attribute__((always_inline)) void pnp_set_drq(device_t dev, unsigned index, unsigned drq) +static inline __attribute__((always_inline)) +void pnp_set_drq(pnp_devfn_t dev, unsigned index, unsigned drq) { pnp_write_config(dev, index, drq & 0xff); } diff --git a/src/include/device/device.h b/src/include/device/device.h index 1056be7..c0e6e0f 100644 --- a/src/include/device/device.h +++ b/src/include/device/device.h @@ -12,6 +12,7 @@ struct device; #ifndef __SIMPLE_DEVICE__ typedef struct device * device_t; typedef u32 pci_devfn_t; +typedef u32 pnp_devfn_t; struct pci_operations; struct pci_bus_operations; struct smbus_bus_operations;