platform/x86: mlx-platform: Add extra CPLD for next generation systems
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> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
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Родитель
fd77149105
Коммит
eb480b41f2
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@ -25,6 +25,7 @@
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#define MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET 0x00
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#define MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET 0x01
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#define MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET 0x02
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#define MLXPLAT_CPLD_LPC_REG_CPLD4_VER_OFFSET 0x03
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#define MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET 0x1d
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#define MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET 0x1e
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#define MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET 0x1f
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@ -1139,6 +1140,12 @@ static struct mlxreg_core_data mlxplat_mlxcpld_default_ng_regs_io_data[] = {
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.bit = GENMASK(7, 0),
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.mode = 0444,
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},
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{
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.label = "cpld4_version",
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.reg = MLXPLAT_CPLD_LPC_REG_CPLD4_VER_OFFSET,
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.bit = GENMASK(7, 0),
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.mode = 0444,
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},
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{
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.label = "reset_long_pb",
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.reg = MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET,
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@ -1369,6 +1376,7 @@ static bool mlxplat_mlxcpld_readable_reg(struct device *dev, unsigned int reg)
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case MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_CPLD4_VER_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET:
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@ -1426,6 +1434,7 @@ static bool mlxplat_mlxcpld_volatile_reg(struct device *dev, unsigned int reg)
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case MLXPLAT_CPLD_LPC_REG_CPLD1_VER_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_CPLD2_VER_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_CPLD3_VER_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_CPLD4_VER_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_RESET_CAUSE_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_RST_CAUSE1_OFFSET:
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case MLXPLAT_CPLD_LPC_REG_RST_CAUSE2_OFFSET:
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