ec/starlabs/merlin: Add support for enabling the mirror flag
When enabled, the EC will mirror the firmware contained inside the coreboot ROM. This allows it to be updated at the same time as coreboot. Signed-off-by: Sean Rhodes <sean@starlabs.systems> Change-Id: Ief088e012b65be32648f581fc3190e1000bca241 Reviewed-on: https://review.coreboot.org/c/coreboot/+/68938 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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@ -64,6 +64,13 @@ config EC_STARLABS_MAX_CHARGE
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help
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Select if the mainboard supports limiting the maximum charge of the battery.
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config EC_STARLABS_MIRROR_FLAG
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bool
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default n
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depends on EC_STARLABS_ITE
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help
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Select if the EC should mirror the EC firmware contained in the coreboot ROM.
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config EC_STARLABS_MERLIN
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bool "Use open-source Merlin EC Firmware"
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default n
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@ -98,6 +98,10 @@
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#define KBL_DISABLED 0x00
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#define KBL_ENABLED 0xdd
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/* Mirror Flag */
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#define MIRROR_DISABLED 0x00
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#define MIRROR_ENABLED 0x01
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uint16_t ec_get_version(void);
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#endif
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@ -70,6 +70,7 @@ static void merlin_init(struct device *dev)
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* trackpad_state
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* kbl_brightness
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* kbl_state
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* mirror_flag
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*/
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/*
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@ -247,6 +248,25 @@ static void merlin_init(struct device *dev)
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1,
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kbl_state,
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ARRAY_SIZE(kbl_state)));
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/*
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* Mirror Flag
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*
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* Setting: mirror_flag
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*
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* Values: Off, On
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* Default: On
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*/
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const uint8_t mirror_flag[] = {
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MIRROR_DISABLED,
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MIRROR_ENABLED
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};
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if (CONFIG(EC_STARLABS_MIRROR_FLAG))
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ec_write(ECRAM_MIRROR_FLAG,
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get_ec_value_from_option("mirror_flag",
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1,
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mirror_flag,
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ARRAY_SIZE(mirror_flag)));
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}
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static struct device_operations ops = {
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@ -23,5 +23,5 @@
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#define ECRAM_MAX_CHARGE 0x1a
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#define ECRAM_FAN_MODE 0x1b
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#define ECRAM_FAST_CHARGE dead_code_t(uint8_t)
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#define ECRAM_MIRROR_FLAG 0x05
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#endif
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@ -23,5 +23,6 @@
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#define ECRAM_MAX_CHARGE dead_code_t(uint8_t)
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#define ECRAM_FAN_MODE dead_code_t(uint8_t)
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#define ECRAM_FAST_CHARGE dead_code_t(uint8_t)
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#define ECRAM_MIRROR_FLAG 0x04
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#endif
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@ -23,5 +23,6 @@
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#define ECRAM_MAX_CHARGE 0x23
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#define ECRAM_FAN_MODE 0x24
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#define ECRAM_FAST_CHARGE dead_code_t(uint8_t)
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#define ECRAM_MIRROR_FLAG 0x05
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#endif
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@ -23,5 +23,6 @@
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#define ECRAM_KBL_BRIGHTNESS 0x19
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#define ECRAM_FN_LOCK_STATE 0x2c
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#define ECRAM_FAST_CHARGE dead_code_t(uint8_t)
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#define ECRAM_MIRROR_FLAG 0x04
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#endif
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@ -23,5 +23,6 @@
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#define ECRAM_MAX_CHARGE dead_code_t(uint8_t)
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#define ECRAM_FAN_MODE dead_code_t(uint8_t)
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#define ECRAM_FAST_CHARGE dead_code_t(uint8_t)
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#define ECRAM_MIRROR_FLAG 0x04
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#endif
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@ -23,5 +23,6 @@
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#define ECRAM_MAX_CHARGE dead_code_t(uint8_t)
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#define ECRAM_FAN_MODE dead_code_t(uint8_t)
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#define ECRAM_FAST_CHARGE 0x18
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#define ECRAM_MIRROR_FLAG dead_code_t(uint8_t)
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#endif
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@ -23,5 +23,6 @@
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#define ECRAM_FN_CTRL_REVERSE 0x43
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#define ECRAM_MAX_CHARGE dead_code_t(uint8_t)
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#define ECRAM_FAST_CHARGE dead_code_t(uint8_t)
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#define ECRAM_MIRROR_FLAG 0x04
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#endif
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@ -20,5 +20,6 @@
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#define ECRAM_FAN_MODE 0x50
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#define ECRAM_MAX_CHARGE 0x51
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#define ECRAM_FAST_CHARGE 0x52
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#define ECRAM_MIRROR_FLAG 0x05
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#endif
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@ -23,5 +23,6 @@
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#define ECRAM_MAX_CHARGE 0x1a
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#define ECRAM_FAN_MODE 0x1b
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#define ECRAM_FAST_CHARGE dead_code_t(uint8_t)
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#define ECRAM_MIRROR_FLAG 0x05
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#endif
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