diff options
| author | Timothy Pearson <tpearson@raptorengineering.com> | 2016-08-01 16:04:12 -0500 |
|---|---|---|
| committer | Timothy Pearson <tpearson@raptorengineering.com> | 2016-08-03 22:08:01 +0200 |
| commit | d6319e8cc08995564d9834a654c78c3d5e111822 (patch) | |
| tree | c9ea9163ffd8b1496e2e21402dec410812d3e299 /src/southbridge/amd | |
| parent | 9e561f8e8087e0dc99e05f514c291da888085165 (diff) | |
sb/amd/sb[6|7|8]00: Initialize PIC
The PIC was not initialized, leading to hangs when booting
Linux as a payload. This error was hidden by both SeaBIOS
and GRUB due to both payloads initializing the PIC as a
matter of routine.
Change-Id: I9a3b9bd831d4dafdd0bb82ea023026a10fe7efca
Signed-off-by: Timothy Pearson <tpearson@raptorengineering.com>
Reviewed-on: https://review.coreboot.org/16018
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: Raptor Engineering Automated Test Stand <noreply@raptorengineeringinc.com>
Diffstat (limited to 'src/southbridge/amd')
| -rw-r--r-- | src/southbridge/amd/sb600/lpc.c | 5 | ||||
| -rw-r--r-- | src/southbridge/amd/sb700/lpc.c | 5 | ||||
| -rw-r--r-- | src/southbridge/amd/sb800/lpc.c | 5 |
3 files changed, 15 insertions, 0 deletions
diff --git a/src/southbridge/amd/sb600/lpc.c b/src/southbridge/amd/sb600/lpc.c index d459b1d3fd..0541518ca1 100644 --- a/src/southbridge/amd/sb600/lpc.c +++ b/src/southbridge/amd/sb600/lpc.c @@ -20,6 +20,8 @@ #include <device/pci_ids.h> #include <device/pci_ops.h> #include <pc80/mc146818rtc.h> +#include <pc80/i8254.h> +#include <pc80/i8259.h> #include <arch/acpi.h> #include <arch/acpigen.h> #include <pc80/isa-dma.h> @@ -60,6 +62,9 @@ static void lpc_init(device_t dev) pci_write_config8(dev, 0x78, byte); cmos_check_update_date(); + + setup_i8259(); /* Initialize i8259 pic */ + setup_i8254(); /* Initialize i8254 timers */ } static void sb600_lpc_read_resources(device_t dev) diff --git a/src/southbridge/amd/sb700/lpc.c b/src/southbridge/amd/sb700/lpc.c index 78933fadf4..f138d88d72 100644 --- a/src/southbridge/amd/sb700/lpc.c +++ b/src/southbridge/amd/sb700/lpc.c @@ -21,6 +21,8 @@ #include <device/pci_ids.h> #include <device/pci_ops.h> #include <pc80/mc146818rtc.h> +#include <pc80/i8254.h> +#include <pc80/i8259.h> #include <arch/acpi.h> #include <arch/acpigen.h> #include <pc80/isa-dma.h> @@ -75,6 +77,9 @@ static void lpc_init(device_t dev) pci_write_config8(dev, 0x78, byte); cmos_check_update_date(); + + setup_i8259(); /* Initialize i8259 pic */ + setup_i8254(); /* Initialize i8254 timers */ } #if IS_ENABLED(CONFIG_LATE_CBMEM_INIT) diff --git a/src/southbridge/amd/sb800/lpc.c b/src/southbridge/amd/sb800/lpc.c index 3ba47a077b..f15fed366a 100644 --- a/src/southbridge/amd/sb800/lpc.c +++ b/src/southbridge/amd/sb800/lpc.c @@ -21,6 +21,8 @@ #include <device/pci_ids.h> #include <device/pci_ops.h> #include <pc80/mc146818rtc.h> +#include <pc80/i8254.h> +#include <pc80/i8259.h> #include <pc80/isa-dma.h> #include <arch/io.h> #include <arch/acpi.h> @@ -66,6 +68,9 @@ static void lpc_init(device_t dev) pci_write_config8(dev, 0xBB, byte); cmos_check_update_date(); + + setup_i8259(); /* Initialize i8259 pic */ + setup_i8254(); /* Initialize i8254 timers */ } static void sb800_lpc_read_resources(device_t dev) |