fw_cfg: Add support for parisc architecture

Signed-off-by: N Helge Deller <deller@gmx.de>

fw_cfg: Add support for parisc architecture
Signed-off-by: N Helge Deller <deller@gmx.de>
6b698713 · Helge Deller · 3e4fb434 · 6b698713 · 6b698713
隐藏空白更改
内联并排

Showing with 4 addition and 1 deletion

drivers/firmware/Kconfig drivers/firmware/Kconfig +1 -1

drivers/firmware/qemu_fw_cfg.c drivers/firmware/qemu_fw_cfg.c +3 -0

未找到文件。
--- 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

--- 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