diff options
| author | Aaron Durbin <adurbin@chromium.org> | 2015-07-23 20:48:06 -0500 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2015-07-29 19:30:49 +0200 |
| commit | 8dfa660a68be3e5268c78f2a6e6643795beed76f (patch) | |
| tree | c47dd37e2aae4c2f00ec0a79a6c9184bfcff7b27 /src | |
| parent | 4f5efb6c21a9e909384a970bad410d11bdbda7a5 (diff) | |
skylake: provide pcr helper to get a port's register space
In order to aid users of the PCR register space provide
pcr_port_regs().
BUG=chrome-os-partner:42982
BRANCH=None
TEST=Built glados.
Change-Id: Ibfcffbfd4304a59dd80a88dc18404d3a5dfa2f5d
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Original-Commit-Id: 5f796319ba1d00557e32bf18309fc3cc772ccae0
Original-Change-Id: I21243d18c1bbd19468f8f279b2daa4e40a8f0699
Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Original-Reviewed-on: https://chromium-review.googlesource.com/288193
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/11068
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/skylake/include/soc/pcr.h | 5 | ||||
| -rw-r--r-- | src/soc/intel/skylake/pcr.c | 5 |
2 files changed, 10 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/include/soc/pcr.h b/src/soc/intel/skylake/include/soc/pcr.h index 3f8ee2f281..c8a4425fcc 100644 --- a/src/soc/intel/skylake/include/soc/pcr.h +++ b/src/soc/intel/skylake/include/soc/pcr.h @@ -85,6 +85,8 @@ #define PID_DMI 0xEF #if !defined(__ASSEMBLER__) && !defined(__ACPI__) +#include <stdint.h> + /* All these return 0 on success and < 0 on errror. */ int pcr_read32(u8 pid, u16 offset, u32 *outdata); int pcr_read16(u8 pid, u16 offset, u16 *outdata); @@ -95,6 +97,9 @@ int pcr_write8(u8 pid, u16 offset, u8 indata); int pcr_andthenor32(u8 pid, u16 offset, u32 anddata, u32 ordata); int pcr_andthenor16(u8 pid, u16 offset, u16 anddata, u16 ordata); int pcr_andthenor8(u8 pid, u16 offset, u8 anddata, u8 ordata); + +/* Get the starting address of the port's registers. */ +uint8_t *pcr_port_regs(u8 pid); #endif /* if !defined(__ASSEMBLER__) && !defined(__ACPI__) */ #endif /* _SOC_PCR_H_ */ diff --git a/src/soc/intel/skylake/pcr.c b/src/soc/intel/skylake/pcr.c index 0e97265497..7efbb2547a 100644 --- a/src/soc/intel/skylake/pcr.c +++ b/src/soc/intel/skylake/pcr.c @@ -34,6 +34,11 @@ static inline void *pcr_reg_address(u8 pid, u16 offset) return (void *)reg_addr; } +uint8_t *pcr_port_regs(u8 pid) +{ + return pcr_reg_address(pid, 0); +} + /* * Read PCR register. (This is internal function) * It returns PCR register and size in 1/2/4 bytes. |