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lotus,azalea: officially reserve the top 4k of flash for SPI_FLAGS #39

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Merged
merged 1 commit into from
Jan 3, 2024
Merged

lotus,azalea: officially reserve the top 4k of flash for SPI_FLAGS #39

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19 changes: 19 additions & 0 deletions zephyr/program/lotus/azalea/overlay.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -161,3 +161,22 @@
>;
pinctrl-names = "default";
};

&binman {
ec-rw {
/*
* Azalea uses the last 0x1000 bytes of flash for non-volatile settings storage.
* Shrink the RW region by that much so that there is no conflict between RW_FWID
* or RW text and non-volatile settings.
*/
size = <0x3f000>;
rw-fw {
rw-fwid {
offset = <(0x3f000 - 32)>;
};
};
};
/* The remaining 0x1000 bytes will be used for non-volatile settings storage. */
pad-after = <0x1000>;
pad-byte = <0xFF>;
};
18 changes: 18 additions & 0 deletions zephyr/program/lotus/lotus/overlay.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -139,3 +139,21 @@
pinctrl-names = "default";
};

&binman {
ec-rw {
/*
* Lotus uses the last 0x1000 bytes of flash for non-volatile settings storage.
* Shrink the RW region by that much so that there is no conflict between RW_FWID
* or RW text and non-volatile settings.
*/
size = <0x3f000>;
rw-fw {
rw-fwid {
offset = <(0x3f000 - 32)>;
};
};
};
/* The remaining 0x1000 bytes will be used for non-volatile settings storage. */
pad-after = <0x1000>;
pad-byte = <0xFF>;
};
1 change: 1 addition & 0 deletions zephyr/program/lotus/program.conf
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Expand Up @@ -16,6 +16,7 @@ CONFIG_PLATFORM_EC_SYSTEM_UNLOCKED=y
CONFIG_PLATFORM_EC_WP_DISABLE=y
CONFIG_PLATFORM_EC_UNIMPLEMENTED_GPIO=y
CONFIG_PLATFORM_EC_I2C_DEBUG=y
CONFIG_CROS_EC_RW_SIZE=0x3F000

# Port80
CONFIG_PLATFORM_EC_PORT80_4_BYTE=y
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