diff mbox series

[v1,platform-next,1/3] platform/x86: mlx-platform: Add extra CPLD for next generation systems

Message ID 20190226082034.27658-2-vadimp@mellanox.com (mailing list archive)
State Accepted, archived
Delegated to: Darren Hart
Headers show
Series Mellanox: add new features for next generation systems | expand

Commit Message

Vadim Pasternak Feb. 26, 2019, 8:20 a.m. UTC 
Add support for CPLD4 for the next generation systems MQMB7xx, MSN37xx,
MSN34xx, MSN38xx.

All these systems are equipped with four programmable device.
The version of this new device is to be exposed to sysfs through
mlxreg-io register.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
---
 drivers/platform/x86/mlx-platform.c | 9 +++++++++
 1 file changed, 9 insertions(+)
diff mbox series

Patch

diff --git a/drivers/platform/x86/mlx-platform.c b/drivers/platform/x86/mlx-platform.c
index aa3311971be6..dd166b2bf742 100644
--- a/drivers/platform/x86/mlx-platform.c
+++ b/drivers/platform/x86/mlx-platform.c
@@ -25,6 +25,7 @@ 
 #define MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET	0x00
 #define MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET	0x01
 #define MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET	0x02
+#define MLXPLAT_CPLD_LPC_REG_CPLD4_VER_OFFSET	0x03
 #define MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET	0x1d
 #define MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET	0x1e
 #define MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET	0x1f
@@ -1140,6 +1141,12 @@  static struct mlxreg_core_data mlxplat_mlxcpld_default_ng_regs_io_data[] = {
 		.mode = 0444,
 	},
 	{
+		.label = "cpld4_version",
+		.reg = MLXPLAT_CPLD_LPC_REG_CPLD4_VER_OFFSET,
+		.bit = GENMASK(7, 0),
+		.mode = 0444,
+	},
+	{
 		.label = "reset_long_pb",
 		.reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET,
 		.mask = GENMASK(7, 0) & ~BIT(0),
@@ -1369,6 +1376,7 @@  static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg)
 	case MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET:
 	case MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET:
 	case MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET:
+	case MLXPLAT_CPLD_LPC_REG_CPLD4_VER_OFFSET:
 	case MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET:
 	case MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET:
 	case MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET:
@@ -1426,6 +1434,7 @@  static bool mlxplat_mlxcpld_volatile_reg(struct device *dev, unsigned int reg)
 	case MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET:
 	case MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET:
 	case MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET:
+	case MLXPLAT_CPLD_LPC_REG_CPLD4_VER_OFFSET:
 	case MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET:
 	case MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET:
 	case MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET: