[coreboot-gerrit] New patch to review for coreboot: 07178ef baytrail: add score and ssc iosf access functions

[Aaron Durbin (adurbin@google.com)]

Aaron Durbin (adurbin at 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 at 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 at chromium.org>
    Reviewed-on: https://chromium-review.googlesource.com/176533
    Reviewed-by: Bernie Thompson <bhthompson at chromium.org>
    Reviewed-by: Duncan Laurie <dlaurie at 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);
+}