Aaron Durbin (adurbin@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4964
-gerrit
commit 07178ef30d2c95427920c272c6e5a70d2bc4cd1f Author: Aaron Durbin adurbin@chromium.org Date: Tue Nov 12 16:37:05 2013 -0600
baytrail: add score and ssc iosf access functions
The SCORE allows controlling the pad configuration while the SSC handles the configuration for the storage control cluster.
BUG=chrome-os-partner:23966 BRANCH=None TEST=Built.
Change-Id: Ifd9f67a4e88d5bb99faec6ceeb3e263001a87c41 Signed-off-by: Aaron Durbin adurbin@chromium.org Reviewed-on: https://chromium-review.googlesource.com/176533 Reviewed-by: Bernie Thompson bhthompson@chromium.org Reviewed-by: Duncan Laurie dlaurie@chromium.org --- src/soc/intel/baytrail/baytrail/iosf.h | 10 ++++++++++ src/soc/intel/baytrail/iosf.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 38 insertions(+)
diff --git a/src/soc/intel/baytrail/baytrail/iosf.h b/src/soc/intel/baytrail/baytrail/iosf.h index 48d89b7..3a63d4a 100644 --- a/src/soc/intel/baytrail/baytrail/iosf.h +++ b/src/soc/intel/baytrail/baytrail/iosf.h @@ -72,6 +72,10 @@ uint32_t iosf_lpss_read(int reg); void iosf_lpss_write(int reg, uint32_t val); uint32_t iosf_ccu_read(int reg); void iosf_ccu_write(int reg, uint32_t val); +uint32_t iosf_score_read(int reg); +void iosf_score_write(int reg, uint32_t val); +uint32_t iosf_scc_read(int reg); +void iosf_scc_write(int reg, uint32_t val);
/* IOSF ports. */ #define IOSF_PORT_AUNIT 0x00 /* IO Arbiter unit */ @@ -84,7 +88,9 @@ void iosf_ccu_write(int reg, uint32_t val); #define IOSF_PORT_DUNIT_CH1 0x07 /* DUNIT Channel 1 */ #define IOSF_PORT_SYSMEMIO 0x0c /* System Memory IO */ #define IOSF_PORT_USBPHY 0x43 /* USB PHY */ +#define IOSF_PORT_SCORE 0x48 /* SCORE */ #define IOSF_PORT_USHPHY 0x61 /* USB XHCI PHY */ +#define IOSF_PORT_SCC 0x63 /* Storage Control Cluster */ #define IOSF_PORT_LPSS 0xa0 /* LPSS - Low Power Subsystem */ #define IOSF_PORT_SATAPHY 0xa3 /* SATA PHY */ #define IOSF_PORT_PCIEPHY 0xa3 /* PCIE PHY */ @@ -107,8 +113,12 @@ void iosf_ccu_write(int reg, uint32_t val); #define IOSF_OP_WRITE_SYSMEMIO (IOSF_OP_READ_SYSMEMIO | 1) #define IOSF_OP_READ_USBPHY 0x06 #define IOSF_OP_WRITE_USBPHY (IOSF_OP_READ_USBPHY | 1) +#define IOSF_OP_READ_SCORE 0x06 +#define IOSF_OP_WRITE_SCORE (IOSF_OP_READ_SCORE | 1) #define IOSF_OP_READ_USHPHY 0x06 #define IOSF_OP_WRITE_USHPHY (IOSF_OP_READ_USHPHY | 1) +#define IOSF_OP_READ_SCC 0x06 +#define IOSF_OP_WRITE_SCC (IOSF_OP_READ_SCC | 1) #define IOSF_OP_READ_LPSS 0x06 #define IOSF_OP_WRITE_LPSS (IOSF_OP_READ_LPSS | 1) #define IOSF_OP_READ_SATAPHY 0x00 diff --git a/src/soc/intel/baytrail/iosf.c b/src/soc/intel/baytrail/iosf.c index 7e0dacb..4840dea 100644 --- a/src/soc/intel/baytrail/iosf.c +++ b/src/soc/intel/baytrail/iosf.c @@ -168,3 +168,31 @@ void iosf_ccu_write(int reg, uint32_t val) IOSF_PORT(IOSF_PORT_CCU); return iosf_write_port(cr, reg, val); } + +uint32_t iosf_score_read(int reg) +{ + uint32_t cr = IOSF_OPCODE(IOSF_OP_READ_SCORE) | + IOSF_PORT(IOSF_PORT_SCORE); + return iosf_read_port(cr, reg); +} + +void iosf_score_write(int reg, uint32_t val) +{ + uint32_t cr = IOSF_OPCODE(IOSF_OP_WRITE_SCORE) | + IOSF_PORT(IOSF_PORT_SCORE); + return iosf_write_port(cr, reg, val); +} + +uint32_t iosf_scc_read(int reg) +{ + uint32_t cr = IOSF_OPCODE(IOSF_OP_READ_SCC) | + IOSF_PORT(IOSF_PORT_SCC); + return iosf_read_port(cr, reg); +} + +void iosf_scc_write(int reg, uint32_t val) +{ + uint32_t cr = IOSF_OPCODE(IOSF_OP_WRITE_SCC) | + IOSF_PORT(IOSF_PORT_SCC); + return iosf_write_port(cr, reg, val); +}