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arm: mach-k3: use Kconfig options for ATF/OPTEE size

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The reserved memory sizes for ATF and OPTEE were hard-coded for K3
devices, this patch replaces them with a Kconfig option allowing for
easier modifications.

Acked-by: Andrew Davis <afd@ti.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Reviewed-by: Manorit Chawdhry <m-chawdhry@ti.com>
Signed-off-by: Anshul Dalal <anshuld@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
This commit is contained in:
Anshul Dalal 2026-03-12 09:13:24 +05:30 committed by Tom Rini
parent 4ed440e6be
commit b2c02c04ec
3 changed files with 22 additions and 4 deletions
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4
arch/arm/dts/k3-binman.dtsi
View File

@ -477,7 +477,7 @@
FWPERM_SECURE_PRIV_RWCD |
FWPERM_SECURE_USER_RWCD)>;
start_address = <0x0 CONFIG_K3_ATF_LOAD_ADDR>;
end_address = <0x0 (CONFIG_K3_ATF_LOAD_ADDR + 0x1ffff)>;
end_address = <0x0 (CONFIG_K3_ATF_LOAD_ADDR + CONFIG_K3_ATF_RESERVED_SIZE - 1)>;
};
firewall_armv8_optee_fg: template-8 {
control = <(FWCTRL_EN | FWCTRL_LOCK |
@ -486,7 +486,7 @@
FWPERM_SECURE_PRIV_RWCD |
FWPERM_SECURE_USER_RWCD)>;
start_address = <0x0 CONFIG_K3_OPTEE_LOAD_ADDR>;
end_address = <0x0 (CONFIG_K3_OPTEE_LOAD_ADDR + 0x17fffff)>;
end_address = <0x0 (CONFIG_K3_OPTEE_LOAD_ADDR + CONFIG_K3_OPTEE_RESERVED_SIZE - 1)>;
};
ti_falcon_template: template-9 {

17
arch/arm/mach-k3/Kconfig
View File

@ -130,6 +130,15 @@ config K3_ATF_LOAD_ADDR
The load address for the ATF image. This value is used to build the
FIT image header that places ATF in memory where it will run.
config K3_ATF_RESERVED_SIZE
hex "Reserved memory size for ATF"
default 0x80000 if (SOC_K3_AM625 || SOC_K3_AM62A7 || SOC_K3_AM62P5 || SOC_K3_J722S)
default 0x20000
help
The runtime memory size reserved for ATF. This value is used to fixup the
kernel device-tree's reserved-memory node for ATF and configure the
firewall.
config K3_OPTEE_LOAD_ADDR
hex "Load address of OPTEE image"
default 0x9e800000
@ -137,6 +146,14 @@ config K3_OPTEE_LOAD_ADDR
The load address for the OPTEE image. This value defaults to 0x9e800000
if not provided in the board defconfig file.
config K3_OPTEE_RESERVED_SIZE
hex "Reserved memory size for OPTEE"
default 0x1800000
help
The runtime memory size reserved for OPTEE. This value is used to fixup
the kernel device-tree's reserved-memory node for OPTEE and configure the
firewall.
config K3_DM_FW
bool "Separate DM firmware image"
depends on CPU_V7R && !SOC_K3_AM642 && !SOC_K3_AM654 && !CLK_TI_SCI && !TI_SCI_POWER_DOMAIN

5
arch/arm/mach-k3/common_fdt.c
View File

@ -173,12 +173,13 @@ int fdt_fixup_reserved(void *blob)
int ret;
ret = fdt_fixup_reserved_memory(blob, "tfa", CONFIG_K3_ATF_LOAD_ADDR,
0x80000);
CONFIG_K3_ATF_RESERVED_SIZE);
if (ret)
return ret;
return fdt_fixup_reserved_memory(blob, "optee",
CONFIG_K3_OPTEE_LOAD_ADDR, 0x1800000);
CONFIG_K3_OPTEE_LOAD_ADDR,
CONFIG_K3_OPTEE_RESERVED_SIZE);
}
static int fdt_fixup_critical_trips(void *blob, int zoneoffset, int maxc)