From a94a153477584ba2d168021f23fa571f048e6767 Mon Sep 17 00:00:00 2001 From: Mario Scheithauer Date: Wed, 28 Nov 2018 09:13:28 +0100 Subject: siemens/mc_apl5: Set bus master bit for on-board PCI device There is an on-board PCI device where bus master has to be enabled in PCI configuration space. As there is no need for a complete PCI driver for this device just set the bus master bit in mainboard_final(). Change-Id: I4ab40e34253c20adaacfdf42050314e06547eefb Signed-off-by: Mario Scheithauer Reviewed-on: https://review.coreboot.org/c/29881 Tested-by: build bot (Jenkins) Reviewed-by: Werner Zeh --- src/mainboard/siemens/mc_apl1/variants/mc_apl5/mainboard.c | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'src/mainboard/siemens') diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl5/mainboard.c b/src/mainboard/siemens/mc_apl1/variants/mc_apl5/mainboard.c index 6d22fd9826..06b2a2fc92 100644 --- a/src/mainboard/siemens/mc_apl1/variants/mc_apl5/mainboard.c +++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl5/mainboard.c @@ -15,6 +15,7 @@ #include #include +#include #include #include #include @@ -33,6 +34,7 @@ void variant_mainboard_final(void) { int status; struct device *dev = NULL; + uint16_t cmd; /* * Set up the DP2LVDS converter. @@ -73,6 +75,14 @@ void variant_mainboard_final(void) * The value 0x4a sets the swing level to 0.58 V. */ pcr_rmw32(PID_MODPHY, TX_DWORD3, (0x00 << 16), (0x4a << 16)); + + /* Set Master Enable for on-board PCI device. */ + dev = dev_find_device(PCI_VENDOR_ID_SIEMENS, 0x403e, 0); + if (dev) { + cmd = pci_read_config16(dev, PCI_COMMAND); + cmd |= PCI_COMMAND_MASTER; + pci_write_config16(dev, PCI_COMMAND, cmd); + } } static void wait_for_legacy_dev(void *unused) -- cgit v1.2.3