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superio/common/conf_mode: Add op to write SSDT

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Add functions to write ACPI SSDT code for entering and leaving
the config mode.
To be used by ACPI generators.

Tested on Linux 5.2 using the Aspeed SSDT generator.

Change-Id: I14b55b885f1c384536bafafed39ad399639868e4
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37639
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
This commit is contained in:
Patrick Rudolph
2019-12-10 13:15:42 +01:00
committed by Felix Held
parent 0142d441c6
commit 7db16ddc88
3 changed files with 171 additions and 1 deletions
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13
src/device/pnp_device.c
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@@ -31,6 +31,19 @@ void pnp_exit_conf_mode(struct device *dev)
dev->ops->ops_pnp_mode->exit_conf_mode(dev);
}
#if CONFIG(HAVE_ACPI_TABLES)
void pnp_ssdt_enter_conf_mode(struct device *dev, const char *idx, const char *data)
{
if (dev->ops->ops_pnp_mode && dev->ops->ops_pnp_mode->ssdt_enter_conf_mode)
dev->ops->ops_pnp_mode->ssdt_enter_conf_mode(dev, idx, data);
}
void pnp_ssdt_exit_conf_mode(struct device *dev, const char *idx, const char *data)
{
if (dev->ops->ops_pnp_mode && dev->ops->ops_pnp_mode->ssdt_exit_conf_mode)
dev->ops->ops_pnp_mode->ssdt_exit_conf_mode(dev, idx, data);
}
#endif
/* PNP fundamental operations */
void pnp_write_config(struct device *dev, u8 reg, u8 value)