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baytrail: additional iosf changes 

Allow for one to write an individual byte of a 32-bit register
when sending a read/write through the IOSF messaging system.
Add PUNIT registers and fields for early sequencing.

BUG=chrome-os-partner:23085
BRANCH=None
TEST=Built and partially booted with changes that use PUNIT
     registers and individual byte en fields.

Change-Id: I929fb5c51d805c55c478cab884e3572254987fc7
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/171710
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: http://review.coreboot.org/4859
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Aaron Durbin 2013-10-03 08:57:17 -05:00 committed by Aaron Durbin
parent 833ff353b7
commit 3f00d29800
1 changed files with 24 additions and 1 deletions
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25
src/soc/intel/baytrail/baytrail/iosf.h
View File

@ -45,7 +45,12 @@
#define IOSF_OPCODE(x) ((x) << 24)
#define IOSF_PORT(x) ((0xff & (x)) << 16)
#define IOSF_REG(x) ((0xff & (x)) << 8)
#define IOSF_BYTE_EN 0xf0
#define IOSF_BYTE_EN_0 0x10
#define IOSF_BYTE_EN_1 0x20
#define IOSF_BYTE_EN_2 0x40
#define IOSF_BYTE_EN_3 0x80
#define IOSF_BYTE_EN \
(IOSF_BYTE_EN_0 | IOSF_BYTE_EN_1 | IOSF_BYTE_EN_2 | IOSF_BYTE_EN_3)
#define MDR_REG 0xd4
#define MCRX_REG 0xd8
@ -124,4 +129,22 @@ void iosf_dunit_write(int reg, uint32_t val);
# define DTR0_SPEED_1333 0x02
# define DTR0_SPEED_1600 0x03
/*
* PUNIT Registers
*/
#define SB_BIOS_CONFIG 0x06
# define SB_BIOS_CONFIG_ECC_EN (1 << 31)
# define SB_BIOS_CONFIG_DUAL_CH_DIS (1 << 30)
# define SB_BIOS_CONFIG_EFF_ECC (1 << 29)
# define SB_BIOS_CONFIG_EFF_DUAL_CH_DIS (1 << 28)
# define SB_BIOS_CONFIG_PERF_MODE (1 << 17)
# define SB_BIOS_CONFIG_PDM_MODE (1 << 16)
# define SB_BIOS_CONFIG_DDRIO_PWRGATE (1 << 8)
# define SB_BIOS_CONFIG_GFX_TURBO_DIS (1 << 7)
# define SB_BIOS_CONFIG_PCIE_PLLOFFOK (1 << 1)
# define SB_BIOS_CONFIG_USB_CACHING_EN (1 << 0)
#define BIOS_RESET_CPL 0x05
# define BIOS_RESET_CPL_ALL_DONE (1 << 1)
# define BIOS_RESET_CPL_RESET_DONE (1 << 0)
#endif /* _BAYTRAIL_IOSF_H_ */