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Subject[PATCH 1/2] habanalabs/gaudi: block ICACHE_BASE_ADDERESS_HIGH in TPC
Date
This register shouldn't be modified by user. Prefetch is disabled
in Gaudi.

Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
---
drivers/misc/habanalabs/gaudi/gaudi_security.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/misc/habanalabs/gaudi/gaudi_security.c b/drivers/misc/habanalabs/gaudi/gaudi_security.c
index 0d3240f1f7d7..cb265c00cf73 100644
--- a/drivers/misc/habanalabs/gaudi/gaudi_security.c
+++ b/drivers/misc/habanalabs/gaudi/gaudi_security.c
@@ -9559,6 +9559,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev)
mask |= 1U << ((mmTPC0_CFG_CFG_BASE_ADDRESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC0_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
mask |= 1U << ((mmTPC0_CFG_TPC_STALL & 0x7F) >> 2);
+ mask |= 1U << ((mmTPC0_CFG_ICACHE_BASE_ADDERESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC0_CFG_RD_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC0_CFG_WR_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC0_CFG_MSS_CONFIG & 0x7F) >> 2);
@@ -10013,6 +10014,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev)
mask |= 1U << ((mmTPC1_CFG_CFG_BASE_ADDRESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC1_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
mask |= 1U << ((mmTPC1_CFG_TPC_STALL & 0x7F) >> 2);
+ mask |= 1U << ((mmTPC1_CFG_ICACHE_BASE_ADDERESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC1_CFG_RD_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC1_CFG_WR_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC1_CFG_MSS_CONFIG & 0x7F) >> 2);
@@ -10466,6 +10468,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev)
mask |= 1U << ((mmTPC2_CFG_CFG_BASE_ADDRESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC2_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
mask |= 1U << ((mmTPC2_CFG_TPC_STALL & 0x7F) >> 2);
+ mask |= 1U << ((mmTPC2_CFG_ICACHE_BASE_ADDERESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC2_CFG_RD_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC2_CFG_WR_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC2_CFG_MSS_CONFIG & 0x7F) >> 2);
@@ -10919,6 +10922,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev)
mask |= 1U << ((mmTPC3_CFG_CFG_BASE_ADDRESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC3_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
mask |= 1U << ((mmTPC3_CFG_TPC_STALL & 0x7F) >> 2);
+ mask |= 1U << ((mmTPC3_CFG_ICACHE_BASE_ADDERESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC3_CFG_RD_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC3_CFG_WR_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC3_CFG_MSS_CONFIG & 0x7F) >> 2);
@@ -11372,6 +11376,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev)
mask |= 1U << ((mmTPC4_CFG_CFG_BASE_ADDRESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC4_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
mask |= 1U << ((mmTPC4_CFG_TPC_STALL & 0x7F) >> 2);
+ mask |= 1U << ((mmTPC4_CFG_ICACHE_BASE_ADDERESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC4_CFG_RD_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC4_CFG_WR_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC4_CFG_MSS_CONFIG & 0x7F) >> 2);
@@ -11825,6 +11830,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev)
mask |= 1U << ((mmTPC5_CFG_CFG_BASE_ADDRESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC5_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
mask |= 1U << ((mmTPC5_CFG_TPC_STALL & 0x7F) >> 2);
+ mask |= 1U << ((mmTPC5_CFG_ICACHE_BASE_ADDERESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC5_CFG_RD_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC5_CFG_WR_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC5_CFG_MSS_CONFIG & 0x7F) >> 2);
@@ -12280,6 +12286,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev)
mask |= 1U << ((mmTPC6_CFG_CFG_BASE_ADDRESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC6_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
mask |= 1U << ((mmTPC6_CFG_TPC_STALL & 0x7F) >> 2);
+ mask |= 1U << ((mmTPC6_CFG_ICACHE_BASE_ADDERESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC6_CFG_RD_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC6_CFG_WR_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC6_CFG_MSS_CONFIG & 0x7F) >> 2);
@@ -12735,6 +12742,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev)
mask |= 1U << ((mmTPC7_CFG_CFG_BASE_ADDRESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC7_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
mask |= 1U << ((mmTPC7_CFG_TPC_STALL & 0x7F) >> 2);
+ mask |= 1U << ((mmTPC7_CFG_ICACHE_BASE_ADDERESS_HIGH & 0x7F) >> 2);
mask |= 1U << ((mmTPC7_CFG_RD_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC7_CFG_WR_RATE_LIMIT & 0x7F) >> 2);
mask |= 1U << ((mmTPC7_CFG_MSS_CONFIG & 0x7F) >> 2);
--
2.17.1
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