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authorMaxime Ripard <mripard@kernel.org>2023-11-15 12:45:19 +0300
committerMaxime Ripard <mripard@kernel.org>2023-11-15 12:56:44 +0300
commit3bf3e21c15d4386a5f15118ec39bbc1b67ea5759 (patch)
treea8880bb7b152d913ebd86e7cd858600dbe22ed38 /drivers/accel/habanalabs/gaudi2/gaudi2_security.c
parent34b98a5f7a185c19715cc98c57d7e27b4785dfdf (diff)
parentb85ea95d086471afb4ad062012a4d73cd328fa86 (diff)
downloadlinux-3bf3e21c15d4386a5f15118ec39bbc1b67ea5759.tar.xz
Merge drm/drm-next into drm-misc-next
Let's kickstart the v6.8 release cycle. Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/accel/habanalabs/gaudi2/gaudi2_security.c')
-rw-r--r--drivers/accel/habanalabs/gaudi2/gaudi2_security.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/accel/habanalabs/gaudi2/gaudi2_security.c b/drivers/accel/habanalabs/gaudi2/gaudi2_security.c
index 2742b1f801eb..34bf80c5a44b 100644
--- a/drivers/accel/habanalabs/gaudi2/gaudi2_security.c
+++ b/drivers/accel/habanalabs/gaudi2/gaudi2_security.c
@@ -1601,6 +1601,7 @@ static const u32 gaudi2_pb_dcr0_tpc0_unsecured_regs[] = {
mmDCORE0_TPC0_CFG_KERNEL_SRF_30,
mmDCORE0_TPC0_CFG_KERNEL_SRF_31,
mmDCORE0_TPC0_CFG_TPC_SB_L0CD,
+ mmDCORE0_TPC0_CFG_TPC_COUNT,
mmDCORE0_TPC0_CFG_TPC_ID,
mmDCORE0_TPC0_CFG_QM_KERNEL_ID_INC,
mmDCORE0_TPC0_CFG_QM_TID_BASE_SIZE_HIGH_DIM_0,
@@ -2907,7 +2908,7 @@ static void gaudi2_init_lbw_range_registers_secure(struct hl_device *hdev)
* - range 11: NIC11_CFG + *_DBG (not including TPC_DBG)
*
* If F/W security is not enabled:
- * - ranges 12,13: PSOC_CFG (excluding PSOC_TIMESTAMP)
+ * - ranges 12,13: PSOC_CFG (excluding PSOC_TIMESTAMP, PSOC_EFUSE and PSOC_GLOBAL_CONF)
*/
u64 lbw_range_min_short[] = {
mmNIC0_TX_AXUSER_BASE,
@@ -2923,7 +2924,7 @@ static void gaudi2_init_lbw_range_registers_secure(struct hl_device *hdev)
mmNIC10_TX_AXUSER_BASE,
mmNIC11_TX_AXUSER_BASE,
mmPSOC_I2C_M0_BASE,
- mmPSOC_EFUSE_BASE
+ mmPSOC_GPIO0_BASE
};
u64 lbw_range_max_short[] = {
mmNIC0_MAC_CH3_MAC_PCS_BASE + HL_BLOCK_SIZE,
@@ -3219,6 +3220,7 @@ static void gaudi2_init_range_registers(struct hl_device *hdev)
*/
static int gaudi2_init_protection_bits(struct hl_device *hdev)
{
+ u32 *user_regs_array = NULL, user_regs_array_size = 0, engine_core_intr_reg;
struct asic_fixed_properties *prop = &hdev->asic_prop;
u32 instance_offset;
int rc = 0;
@@ -3389,11 +3391,24 @@ static int gaudi2_init_protection_bits(struct hl_device *hdev)
/* PSOC.
* Except for PSOC_GLOBAL_CONF, skip when security is enabled in F/W, because the blocks are
* protected by privileged RR.
+ * For PSOC_GLOBAL_CONF, need to un-secure the scratchpad register which is used for engine
+ * cores to raise events towards F/W.
*/
+ engine_core_intr_reg = (u32) (hdev->asic_prop.engine_core_interrupt_reg_addr - CFG_BASE);
+ if (engine_core_intr_reg >= mmPSOC_GLOBAL_CONF_SCRATCHPAD_0 &&
+ engine_core_intr_reg <= mmPSOC_GLOBAL_CONF_SCRATCHPAD_31) {
+ user_regs_array = &engine_core_intr_reg;
+ user_regs_array_size = 1;
+ } else {
+ dev_err(hdev->dev,
+ "Engine cores register for interrupts (%#x) is not a PSOC scratchpad register\n",
+ engine_core_intr_reg);
+ }
+
rc |= hl_init_pb(hdev, HL_PB_SHARED, HL_PB_NA,
HL_PB_SINGLE_INSTANCE, HL_PB_NA,
gaudi2_pb_psoc_global_conf, ARRAY_SIZE(gaudi2_pb_psoc_global_conf),
- NULL, HL_PB_NA);
+ user_regs_array, user_regs_array_size);
if (!hdev->asic_prop.fw_security_enabled)
rc |= hl_init_pb(hdev, HL_PB_SHARED, HL_PB_NA,