Aaron Durbin (adurbin@google.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/4861
-gerrit
commit 322fb2c8c58d29a9cd7e7ec87184422b067435d4 Author: Aaron Durbin adurbin@chromium.org Date: Thu Oct 3 12:56:37 2013 -0500
baytrail: program PUNIT memory-mapped base address
Apparently there was another BAR living at 0x5c in the LPC bridge that mapped the PUNIT registers. EDS 2.0 released and this register is now documented.
BUG=chrome-os-partner:23085 BRANCH=None TEST=Built and booted.
Change-Id: I5892c2a14923b57826060e92b4335cb1952ea057 Signed-off-by: Aaron Durbin adurbin@chromium.org Reviewed-on: https://chromium-review.googlesource.com/171612 Reviewed-by: Duncan Laurie dlaurie@chromium.org --- src/soc/intel/baytrail/baytrail/iomap.h | 1 + src/soc/intel/baytrail/baytrail/lpc.h | 1 + src/soc/intel/baytrail/romstage/romstage.c | 2 ++ 3 files changed, 4 insertions(+)
diff --git a/src/soc/intel/baytrail/baytrail/iomap.h b/src/soc/intel/baytrail/baytrail/iomap.h index ea2d648..9fc8da7 100644 --- a/src/soc/intel/baytrail/baytrail/iomap.h +++ b/src/soc/intel/baytrail/baytrail/iomap.h @@ -28,6 +28,7 @@ #define ILB_BASE_ADDRESS 0xfed08000 #define SPI_BASE_ADDRESS 0xfed01000 #define MPHY_BASE_ADDRESS 0xfef00000 +#define PUNIT_BASE_ADDRESS 0xfed05000 #define RCBA_BASE_ADDRESS 0xfed1c000
/* IO Port base */ diff --git a/src/soc/intel/baytrail/baytrail/lpc.h b/src/soc/intel/baytrail/baytrail/lpc.h index 05220e4..71391ad 100644 --- a/src/soc/intel/baytrail/baytrail/lpc.h +++ b/src/soc/intel/baytrail/baytrail/lpc.h @@ -29,6 +29,7 @@ #define IBASE 0x50 #define SBASE 0x54 #define MPBASE 0x58 +#define PUBASE 0x5c #define UART_CONT 0x80 #define RCBA 0xf0
diff --git a/src/soc/intel/baytrail/romstage/romstage.c b/src/soc/intel/baytrail/romstage/romstage.c index 8a65f06..f62aeac 100644 --- a/src/soc/intel/baytrail/romstage/romstage.c +++ b/src/soc/intel/baytrail/romstage/romstage.c @@ -74,6 +74,8 @@ static void program_base_addresses(void) pci_write_config32(lpc_dev, SBASE, reg); reg = MPHY_BASE_ADDRESS | 2; pci_write_config32(lpc_dev, MPBASE, reg); + reg = PUNIT_BASE_ADDRESS | 2; + pci_write_config32(lpc_dev, PUBASE, reg); reg = RCBA_BASE_ADDRESS | 1; pci_write_config32(lpc_dev, RCBA, reg);