soc/amd/picasso: Use lpc_early_init() from common lpc driver
This change uses lpc_early_init() for enabling and configuring LPC using the common block LPC driver. Signed-off-by: Furquan Shaikh <furquan@google.com> Change-Id: I65784b481ae598bf3a85392ae4fe281aac974097 Reviewed-on: https://review.coreboot.org/c/coreboot/+/41273 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Raul Rangel <rrangel@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -165,16 +165,6 @@ void enable_aoac_devices(void)
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} while (!status);
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}
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static void sb_enable_lpc(void)
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{
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u8 byte;
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/* Enable LPC controller */
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byte = pm_io_read8(PM_LPC_GATING);
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byte |= PM_LPC_ENABLE;
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pm_io_write8(PM_LPC_GATING, byte);
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}
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static void sb_enable_cf9_io(void)
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{
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uint32_t reg = pm_read32(PM_DECODE_EN);
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@ -215,11 +205,7 @@ static void fch_smbus_init(void)
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/* Before console init */
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void fch_pre_init(void)
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{
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/* Turn on LPC in case the PSP didn't use it. However, ensure all
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* decoding is cleared as the PSP may have enabled decode paths. */
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sb_enable_lpc();
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lpc_disable_decodes();
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lpc_early_init();
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if (CONFIG(POST_IO) && (CONFIG_POST_IO_PORT == 0x80)
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&& CONFIG(PICASSO_LPC_IOMUX))
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lpc_enable_port80();
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