diff options
| author | Mario Scheithauer <mario.scheithauer@siemens.com> | 2017-09-05 15:32:49 +0200 |
|---|---|---|
| committer | Werner Zeh <werner.zeh@siemens.com> | 2017-09-08 10:50:30 +0000 |
| commit | b83858af5b29ef468f732591269ce7eb471d7591 (patch) | |
| tree | c04f14f9487db04bc0eb66cb33064580b8161832 /src/mainboard | |
| parent | 65e54662e35508623505e1d01c23c6c5caf7e2de (diff) | |
siemens/mc_apl1: Set bus master bit for on-board PCI device
There is one 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: I45202937eba11da3bea14fef6ebed70599804335
Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com>
Reviewed-on: https://review.coreboot.org/21405
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/siemens/mc_apl1/mainboard.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/mainboard/siemens/mc_apl1/mainboard.c b/src/mainboard/siemens/mc_apl1/mainboard.c index 4c90aff0fc..d8374fc2a4 100644 --- a/src/mainboard/siemens/mc_apl1/mainboard.c +++ b/src/mainboard/siemens/mc_apl1/mainboard.c @@ -15,8 +15,9 @@ */ #include <console/console.h> -#include <device/pci.h> #include <device/device.h> +#include <device/pci.h> +#include <device/pci_ids.h> #include <hwilib.h> #include <i210.h> #include <intelblocks/lpc_lib.h> @@ -115,6 +116,8 @@ static void mainboard_init(void *chip_info) static void mainboard_final(void *chip_info) { int status; + uint16_t cmd = 0; + device_t dev = NULL; /** * Set up the DP2LVDS converter. @@ -128,6 +131,14 @@ static void mainboard_final(void *chip_info) /* Enable additional I/O decoding range on LPC for COM 3 */ lpc_open_pmio_window(0x3e8, 8); + + /* Set Master Enable for on-board PCI device. */ + dev = dev_find_device(PCI_VENDOR_ID_SIEMENS, 0x403f, 0); + if (dev) { + cmd = pci_read_config16(dev, PCI_COMMAND); + cmd |= PCI_COMMAND_MASTER; + pci_write_config16(dev, PCI_COMMAND, cmd); + } } struct chip_operations mainboard_ops = { |