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arm: mack-k3: Kconfig: Add DM firmware reserved memory configs

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Add Kconfig options for DM firmware reserved memory for K3 SOCs that
support DM firmware (K3_DM_FW enabled)
- K3_DM_FW_RESERVED_ADDR: DM firmware address
- K3_DM_FW_RESERVED_SIZE: DM firmware reserved size

These configs will be used to fixup the kernel device tree's reserved
memory node for DM. Currently the fixup is only done for AM62A7 SoC, as
K3_DM_FW_RESERVED_SIZE is being used to update DM reserved memory from
0xf0000 to 0x1f0000 as the current reserved carveout is insufficient to
accommodate the binary.

For other platforms, the addresses and sizes are based on the existing
device tree reserved memory. If needed for other SoCs, address and size
could be modified in Kconfig.

Signed-off-by: Paresh Bhagat <p-bhagat@ti.com>
This commit is contained in:
Paresh Bhagat
2026-07-16 12:04:48 -06:00
committed by Tom Rini
parent f16e4c8004
commit 5e2be9f5cc
1 changed files with 21 additions and 0 deletions
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arch/arm/mach-k3/Kconfig
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@@ -165,6 +165,27 @@ config K3_DM_FW
bootloader, it makes RM and PM services not being available
during R5 SPL execution time.
config K3_DM_FW_RESERVED_ADDR
hex "Start address of DM firmware reserved memory region"
depends on !SOC_K3_AM642 && !SOC_K3_AM654
default 0x9c900000 if SOC_K3_AM62A7 || SOC_K3_AM62P5
default 0x9db00000 if SOC_K3_AM625
default 0xa0100000 if SOC_K3_J721E || SOC_K3_J7200 || SOC_K3_J721S2 || SOC_K3_J722S || SOC_K3_J784S4
help
Start address of the DDR region reserved for DM firmware at runtime.
Used only to fixup the kernel device-tree reserved-memory node.
config K3_DM_FW_RESERVED_SIZE
hex "Reserved memory size for DM firmware"
depends on !SOC_K3_AM642 && !SOC_K3_AM654
default 0x1f00000 if SOC_K3_AM62A7
default 0xc00000 if SOC_K3_AM625
default 0x1e00000 if TARGET_VERDIN_AM62P_A53 || TARGET_VERDIN_AM62P_R5
default 0xf00000 if SOC_K3_AM62P5 || SOC_K3_J721E || SOC_K3_J7200 || SOC_K3_J721S2 || SOC_K3_J722S || SOC_K3_J784S4
help
The runtime memory size reserved for DM firmware. This is the total
DDR span needed for the DM firmware binary.
config K3_X509_SWRV
int "SWRV for X509 certificate used for boot images"
default 1