[coreboot-gerrit] Patch set updated for coreboot: 6efe271 baytrail: add punit access functions
Aaron Durbin (adurbin@google.com)
gerrit at coreboot.org
Wed Feb 5 17:04:53 CET 2014
Aaron Durbin (adurbin at google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4867
-gerrit
commit 6efe271500fd2c2012406ad684721b173a6138d1
Author: Aaron Durbin <adurbin at chromium.org>
Date: Fri Oct 4 15:23:31 2013 -0500
baytrail: add punit access functions
Like the bunit and dunit, add the punit accessor functions.
BUG=chrome-os-partner:23085
BRANCH=None
TEST=Built.
Change-Id: Ifd7184dfca8c0491c107bc1c562ea1ded444e372
Signed-off-by: Aaron Durbin <adurbin at chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/171931
---
src/soc/intel/baytrail/baytrail/iosf.h | 2 ++
src/soc/intel/baytrail/iosf.c | 19 +++++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/src/soc/intel/baytrail/baytrail/iosf.h b/src/soc/intel/baytrail/baytrail/iosf.h
index b1f28da..cf7e559 100644
--- a/src/soc/intel/baytrail/baytrail/iosf.h
+++ b/src/soc/intel/baytrail/baytrail/iosf.h
@@ -58,6 +58,8 @@ uint32_t iosf_bunit_read(int reg);
void iosf_bunit_write(int reg, uint32_t val);
uint32_t iosf_dunit_read(int reg);
void iosf_dunit_write(int reg, uint32_t val);
+uint32_t iosf_punit_read(int reg);
+void iosf_punit_write(int reg, uint32_t val);
/* IOSF ports. */
#define IOSF_PORT_AUNIT 0x00 /* IO Arbiter unit */
diff --git a/src/soc/intel/baytrail/iosf.c b/src/soc/intel/baytrail/iosf.c
index 2373d81..00a3269 100644
--- a/src/soc/intel/baytrail/iosf.c
+++ b/src/soc/intel/baytrail/iosf.c
@@ -76,6 +76,25 @@ void iosf_dunit_write(int reg, uint32_t val)
IOSF_PORT(IOSF_PORT_SYSMEMC) | IOSF_REG(reg) |
IOSF_BYTE_EN;
+ write_iosf_reg(MCR_REG, cr);
+ write_iosf_reg(MDR_REG, val);
+}
+
+uint32_t iosf_punit_read(int reg)
+{
+ uint32_t cr = IOSF_OPCODE(IOSF_OP_READ_PMC) |
+ IOSF_PORT(IOSF_PORT_PMC) | IOSF_REG(reg) |
+ IOSF_BYTE_EN;
+
+ write_iosf_reg(MCR_REG, cr);
+ return read_iosf_reg(MDR_REG);
+}
+
+void iosf_punit_write(int reg, uint32_t val)
+{
+ uint32_t cr = IOSF_OPCODE(IOSF_OP_WRITE_PMC) |
+ IOSF_PORT(IOSF_PORT_PMC) | IOSF_REG(reg) |
+ IOSF_BYTE_EN;
write_iosf_reg(MCR_REG, cr);
write_iosf_reg(MDR_REG, val);
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