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authorHelge Deller <deller@gmx.de>2020-08-29 10:00:40 +0200
committerHelge Deller <deller@gmx.de>2020-10-15 08:10:37 +0200
commit6b698713d4e99e5a64e2d07f0df90545809227b9 (patch)
treeb44ed1bd3391cbd3311876f4eba366ee35abeec5
parent3e4fb4346c781068610d03c12b16c0cfb0fd24a3 (diff)
fw_cfg: Add support for parisc architecture
Signed-off-by: Helge Deller <deller@gmx.de>
-rw-r--r--drivers/firmware/Kconfig2
-rw-r--r--drivers/firmware/qemu_fw_cfg.c3
2 files changed, 4 insertions, 1 deletions
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index fbd785dd0513..25f51b60194b 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -187,7 +187,7 @@ config RASPBERRYPI_FIRMWARE
config FW_CFG_SYSFS
tristate "QEMU fw_cfg device support in sysfs"
- depends on SYSFS && (ARM || ARM64 || PPC_PMAC || SPARC || X86)
+ depends on SYSFS && (ARM || ARM64 || PARISC || PPC_PMAC || SPARC || X86)
depends on HAS_IOPORT_MAP
default n
help
diff --git a/drivers/firmware/qemu_fw_cfg.c b/drivers/firmware/qemu_fw_cfg.c
index 6945c3c96637..0078260fbabe 100644
--- a/drivers/firmware/qemu_fw_cfg.c
+++ b/drivers/firmware/qemu_fw_cfg.c
@@ -215,6 +215,9 @@ static void fw_cfg_io_cleanup(void)
# define FW_CFG_CTRL_OFF 0x08
# define FW_CFG_DATA_OFF 0x00
# define FW_CFG_DMA_OFF 0x10
+# elif defined(CONFIG_PARISC) /* parisc */
+# define FW_CFG_CTRL_OFF 0x00
+# define FW_CFG_DATA_OFF 0x04
# elif (defined(CONFIG_PPC_PMAC) || defined(CONFIG_SPARC32)) /* ppc/mac,sun4m */
# define FW_CFG_CTRL_OFF 0x00
# define FW_CFG_DATA_OFF 0x02