tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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accel/ivpu: Remove boot params address setting via MMIO register

The NPU 60XX uses the default boot params location specified
in the firmware image header, consistent with earlier generations.
Remove the unnecessary MMIO register write, freeing the AON register
for future use.

Fixes: 44e4c88951fa ("accel/ivpu: Implement warm boot flow for NPU6 and unify boot handling")
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@linux.intel.com>
Reviewed-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Link: https://patch.msgid.link/20260305142226.194995-1-andrzej.kacprowski@linux.intel.com
(cherry picked from commit 81e62e7bf8b9309bf0febdf00940818f98bc23d8)
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>

authored by

Andrzej Kacprowski and committed by
Thomas Zimmermann 59bdbabc d0d72774

-7
-6
drivers/accel/ivpu/ivpu_hw_40xx_reg.h
··· 121 121 #define VPU_50XX_HOST_SS_AON_PWR_ISLAND_STATUS_DLY 0x0003006cu 122 122 #define VPU_50XX_HOST_SS_AON_PWR_ISLAND_STATUS_DLY_STATUS_DLY_MASK GENMASK(7, 0) 123 123 124 - #define VPU_40XX_HOST_SS_AON_RETENTION0 0x0003000cu 125 - #define VPU_40XX_HOST_SS_AON_RETENTION1 0x00030010u 126 - #define VPU_40XX_HOST_SS_AON_RETENTION2 0x00030014u 127 - #define VPU_40XX_HOST_SS_AON_RETENTION3 0x00030018u 128 - #define VPU_40XX_HOST_SS_AON_RETENTION4 0x0003001cu 129 - 130 124 #define VPU_40XX_HOST_SS_AON_IDLE_GEN 0x00030200u 131 125 #define VPU_40XX_HOST_SS_AON_IDLE_GEN_EN_MASK BIT_MASK(0) 132 126 #define VPU_40XX_HOST_SS_AON_IDLE_GEN_HW_PG_EN_MASK BIT_MASK(1)
-1
drivers/accel/ivpu/ivpu_hw_ip.c
··· 931 931 932 932 static int soc_cpu_boot_60xx(struct ivpu_device *vdev) 933 933 { 934 - REGV_WR64(VPU_40XX_HOST_SS_AON_RETENTION1, vdev->fw->mem_bp->vpu_addr); 935 934 soc_cpu_set_entry_point_40xx(vdev, vdev->fw->cold_boot_entry_point); 936 935 937 936 return 0;