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tegra: hwpm: add fa mode fuse condition

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If FA mode fuse is set, allow all IPs to be enabled irrespective of
build config.

Bug 3435123

Change-Id: I937d8f9fa79706167102daadd9c3a04a80180cfb
Signed-off-by: Vedashree Vidwans <vvidwans@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2720737
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com>
Reviewed-by: Seema Khowala <seemaj@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Vedashree Vidwans
2022-05-30 23:14:55 -07:00
committed by mobile promotions
parent 5c8a07022f
commit 72aa834670
1 changed files with 18 additions and 2 deletions
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20
hal/t234/t234_hwpm_ip_utils.c
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@@ -195,6 +195,7 @@ int t234_hwpm_validate_current_config(struct tegra_soc_hwpm *hwpm)
{
u32 production_mode = 0U;
u32 security_mode = 0U;
u32 fa_mode = 0U;
u32 hwpm_global_disable = 0U;
u32 idx = 0U;
int err;
@@ -221,6 +222,13 @@ int t234_hwpm_validate_current_config(struct tegra_soc_hwpm *hwpm)
return err;
}
#define TEGRA_FUSE_FA_MODE 0x48U
err = tegra_fuse_readl(TEGRA_FUSE_FA_MODE, &fa_mode);
if (err != 0) {
tegra_hwpm_err(hwpm, "fa mode fuse read failed");
return err;
}
#define TEGRA_HWPM_GLOBAL_DISABLE_OFFSET 0x3CU
#define TEGRA_HWPM_GLOBAL_DISABLE_DISABLED 0x1U
err = tegra_hwpm_read_sticky_bits(hwpm, addr_map_pmc_misc_base_r(),
@@ -231,8 +239,16 @@ int t234_hwpm_validate_current_config(struct tegra_soc_hwpm *hwpm)
}
tegra_hwpm_dbg(hwpm, hwpm_info, "PROD_MODE fuse = 0x%x "
"SECURITY_MODE fuse = 0x%x HWPM_GLOBAL_DISABLE = 0x%x",
production_mode, security_mode, hwpm_global_disable);
"SECURITY_MODE fuse = 0x%x FA mode fuse = 0x%x"
"HWPM_GLOBAL_DISABLE = 0x%x",
production_mode, security_mode, fa_mode, hwpm_global_disable);
/* Do not enable override if FA mode fuse is set */
if (fa_mode != 0U) {
tegra_hwpm_dbg(hwpm, hwpm_info,
"fa mode fuse enabled, no override required");
return 0;
}
/* Override enable depends on security mode and global hwpm disable */
if ((security_mode == 0U) &&