[Skiboot] [PATCH 3/9] platform: Add fields for OpenCAPI platform data

Andrew Donnellan andrew.donnellan at au1.ibm.com
Mon Dec 18 18:07:54 AEDT 2017


Add a platform_ocapi struct to store platform-specific values for resetting
OpenCAPI devices via I2C and for setting up the ODL PHY.

A later patch will add this to the relevant platforms.

Signed-off-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>
---
 include/platform.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/include/platform.h b/include/platform.h
index f3af390..59fef96 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -44,6 +44,18 @@ struct bmc_platform {
 	uint32_t ipmi_oem_pnor_access_status;
 };
 
+/* OpenCAPI platform-specific I2C information */
+struct platform_ocapi {
+	bool i2c_voltage_18;		/* Is 1.8V I2C I/O voltage override needed? */
+	uint8_t i2c_engine;		/* I2C engine number */
+	uint8_t i2c_port;		/* I2C port number */
+	uint32_t i2c_offset[3];		/* Offsets on I2C device */
+	uint8_t i2c_odl0_data[3];	/* Data to reset ODL0 */
+	uint8_t i2c_odl1_data[3];	/* Data to reset ODL1 */
+	uint8_t i2c_odl01_data[3];	/* Data to reset both ODL0 and ODL1 */
+	bool odl_phy_swap;		/* Swap ODL1 to use brick 2 rather than brick 1 lanes */
+};
+
 /*
  * Each platform can provide a set of hooks
  * that can affect the generic code
@@ -58,6 +70,9 @@ struct platform {
 	 */
 	const struct bmc_platform *bmc;
 
+	/* OpenCAPI platform-specific I2C information */
+	const struct platform_ocapi *ocapi;
+
 	/*
 	 * Probe platform, return true on a match, called before
 	 * any allocation has been performed outside of the heap
-- 
git-series 0.9.1



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