diff options
Diffstat (limited to 'drivers/accel/ivpu/ivpu_hw.c')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_hw.c | 59 |
1 files changed, 52 insertions, 7 deletions
diff --git a/drivers/accel/ivpu/ivpu_hw.c b/drivers/accel/ivpu/ivpu_hw.c index 08dcc31b56f4..d69cd0d93569 100644 --- a/drivers/accel/ivpu/ivpu_hw.c +++ b/drivers/accel/ivpu/ivpu_hw.c @@ -8,6 +8,8 @@ #include "ivpu_hw_btrs.h" #include "ivpu_hw_ip.h" +#include <asm/msr-index.h> +#include <asm/msr.h> #include <linux/dmi.h> #include <linux/fault-inject.h> #include <linux/pm_runtime.h> @@ -20,6 +22,10 @@ module_param_named_unsafe(fail_hw, ivpu_fail_hw, charp, 0444); MODULE_PARM_DESC(fail_hw, "<interval>,<probability>,<space>,<times>"); #endif +#define FW_SHARED_MEM_ALIGNMENT SZ_512K /* VPU MTRR limitation */ + +#define ECC_MCA_SIGNAL_ENABLE_MASK 0xff + static char *platform_to_str(u32 platform) { switch (platform) { @@ -147,19 +153,39 @@ static void priority_bands_init(struct ivpu_device *vdev) vdev->hw->hws.process_quantum[VPU_JOB_SCHEDULING_PRIORITY_BAND_REALTIME] = 200000; } +int ivpu_hw_range_init(struct ivpu_device *vdev, struct ivpu_addr_range *range, u64 start, u64 size) +{ + u64 end; + + if (!range || check_add_overflow(start, size, &end)) { + ivpu_err(vdev, "Invalid range: start 0x%llx size %llu\n", start, size); + return -EINVAL; + } + + range->start = start; + range->end = end; + + return 0; +} + static void memory_ranges_init(struct ivpu_device *vdev) { if (ivpu_hw_ip_gen(vdev) == IVPU_HW_IP_37XX) { - ivpu_hw_range_init(&vdev->hw->ranges.global, 0x80000000, SZ_512M); - ivpu_hw_range_init(&vdev->hw->ranges.user, 0x88000000, 511 * SZ_1M); - ivpu_hw_range_init(&vdev->hw->ranges.shave, 0x180000000, SZ_2G); - ivpu_hw_range_init(&vdev->hw->ranges.dma, 0x200000000, SZ_128G); + ivpu_hw_range_init(vdev, &vdev->hw->ranges.runtime, 0x84800000, SZ_64M); + ivpu_hw_range_init(vdev, &vdev->hw->ranges.global, 0x90000000, SZ_256M); + ivpu_hw_range_init(vdev, &vdev->hw->ranges.user, 0xa0000000, 511 * SZ_1M); + ivpu_hw_range_init(vdev, &vdev->hw->ranges.shave, 0x180000000, SZ_2G); + ivpu_hw_range_init(vdev, &vdev->hw->ranges.dma, 0x200000000, SZ_128G); } else { - ivpu_hw_range_init(&vdev->hw->ranges.global, 0x80000000, SZ_512M); - ivpu_hw_range_init(&vdev->hw->ranges.shave, 0x80000000, SZ_2G); - ivpu_hw_range_init(&vdev->hw->ranges.user, 0x100000000, SZ_256G); + ivpu_hw_range_init(vdev, &vdev->hw->ranges.runtime, 0x80000000, SZ_64M); + ivpu_hw_range_init(vdev, &vdev->hw->ranges.global, 0x90000000, SZ_256M); + ivpu_hw_range_init(vdev, &vdev->hw->ranges.shave, 0x80000000, SZ_2G); + ivpu_hw_range_init(vdev, &vdev->hw->ranges.user, 0x100000000, SZ_256G); vdev->hw->ranges.dma = vdev->hw->ranges.user; } + + drm_WARN_ON(&vdev->drm, !IS_ALIGNED(vdev->hw->ranges.global.start, + FW_SHARED_MEM_ALIGNMENT)); } static int wp_enable(struct ivpu_device *vdev) @@ -373,3 +399,22 @@ irqreturn_t ivpu_hw_irq_handler(int irq, void *ptr) pm_runtime_mark_last_busy(vdev->drm.dev); return IRQ_HANDLED; } + +bool ivpu_hw_uses_ecc_mca_signal(struct ivpu_device *vdev) +{ + unsigned long long msr_integrity_caps; + int ret; + + if (ivpu_hw_ip_gen(vdev) < IVPU_HW_IP_50XX) + return false; + + ret = rdmsrq_safe(MSR_INTEGRITY_CAPS, &msr_integrity_caps); + if (ret) { + ivpu_warn(vdev, "Error reading MSR_INTEGRITY_CAPS: %d", ret); + return false; + } + + ivpu_dbg(vdev, MISC, "MSR_INTEGRITY_CAPS: 0x%llx\n", msr_integrity_caps); + + return msr_integrity_caps & ECC_MCA_SIGNAL_ENABLE_MASK; +} |