mb/facebook/monolith: Configure COMB to 0x3e8
The 2nd COM port's base address defaults to 0x2f8. Current software for this system expects the port at 0x3e8. Configure COMB to use 0x3e8 instead of 0x2f8. BUG=N/A TEST=tested on facebook monolith Change-Id: Ibb462bad5f0594e0b5c8dea6e02cd42d58d999ab Signed-off-by: Wim Vervoorn <wvervoorn@eltan.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/39499 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Frans Hendriks <fhendriks@eltan.com> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
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@ -11,7 +11,6 @@ config BOARD_SPECIFIC_OPTIONS
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select MAINBOARD_HAS_TPM2
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select MAINBOARD_HAS_TPM2
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select MAINBOARD_USES_IFD_GBE_REGION
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select MAINBOARD_USES_IFD_GBE_REGION
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select INTEL_GMA_HAVE_VBT
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select INTEL_GMA_HAVE_VBT
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select SOC_INTEL_COMMON_BLOCK_LPC_COMB_ENABLE
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select VPD
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select VPD
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config CBFS_SIZE
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config CBFS_SIZE
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@ -52,14 +52,14 @@ Device (COM2) {
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Name (_CRS, ResourceTemplate ()
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Name (_CRS, ResourceTemplate ()
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{
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{
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FixedIO (0x02F8, 0x08)
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FixedIO (0x03E8, 0x08)
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IRQNoFlags () {3}
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IRQNoFlags () {3}
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})
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})
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Name (_PRS, ResourceTemplate ()
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Name (_PRS, ResourceTemplate ()
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{
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{
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StartDependentFn (0, 0) {
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StartDependentFn (0, 0) {
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FixedIO (0x02F8, 0x08)
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FixedIO (0x03E8, 0x08)
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IRQNoFlags () {3}
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IRQNoFlags () {3}
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}
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}
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EndDependentFn ()
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EndDependentFn ()
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@ -14,6 +14,7 @@
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#include <bootblock_common.h>
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#include <bootblock_common.h>
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#include <device/pnp_ops.h>
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#include <device/pnp_ops.h>
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#include <device/pnp.h>
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#include "onboard.h"
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#include "onboard.h"
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#define SERIAL_DEV1 PNP_DEV(ITE8528_CMD_PORT, 1) /* ITE8528 UART1 */
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#define SERIAL_DEV1 PNP_DEV(ITE8528_CMD_PORT, 1) /* ITE8528 UART1 */
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@ -25,5 +26,7 @@ void bootblock_mainboard_early_init(void)
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pnp_set_logical_device(SERIAL_DEV1);
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pnp_set_logical_device(SERIAL_DEV1);
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pnp_set_enable(SERIAL_DEV1, 1);
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pnp_set_enable(SERIAL_DEV1, 1);
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pnp_set_logical_device(SERIAL_DEV2);
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pnp_set_logical_device(SERIAL_DEV2);
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pnp_set_iobase(SERIAL_DEV2, PNP_IDX_IO0, 0x3e8);
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pnp_set_irq(SERIAL_DEV2, PNP_IDX_IRQ0, 3);
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pnp_set_enable(SERIAL_DEV2, 1);
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pnp_set_enable(SERIAL_DEV2, 1);
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}
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}
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@ -12,6 +12,12 @@ chip soc/intel/skylake
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register "gpe0_dw1" = "GPP_D"
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register "gpe0_dw1" = "GPP_D"
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register "gpe0_dw2" = "GPP_E"
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register "gpe0_dw2" = "GPP_E"
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# Set the fixed lpc ranges
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# enable COMA at 3f8 and COMB at 3e8 (instead of the default 2f8)
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# enable the embedded controller
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register "lpc_iod" = "0x0070"
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register "lpc_ioe" = "LPC_IOE_COMA_EN | LPC_IOE_COMB_EN | LPC_IOE_EC_62_66"
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# CPLD host command ranges are in 0x280-0x2BF
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# CPLD host command ranges are in 0x280-0x2BF
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# EC PNP registers are at 0x6e and 0x6f
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# EC PNP registers are at 0x6e and 0x6f
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register "gen1_dec" = "0x003c0281"
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register "gen1_dec" = "0x003c0281"
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