diff options
Diffstat (limited to 'arch/parisc/kernel/inventory.c')
| -rw-r--r-- | arch/parisc/kernel/inventory.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c index 9298f2285510..7ab2f2a54400 100644 --- a/arch/parisc/kernel/inventory.c +++ b/arch/parisc/kernel/inventory.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/mm.h> +#include <linux/platform_device.h> #include <asm/hardware.h> #include <asm/io.h> #include <asm/mmzone.h> @@ -641,4 +642,33 @@ void __init do_device_inventory(void) if (pa_serialize_tlb_flushes) pr_info("Merced bus found: Enable PxTLB serialization.\n"); #endif + +#if defined(CONFIG_FW_CFG_SYSFS) + if (running_on_qemu) { + struct resource res[3] = {0,}; + unsigned int base; + + base = ((unsigned long long) PAGE0->pad0[2] << 32) + | PAGE0->pad0[3]; /* SeaBIOS stored it here */ + + res[0].name = "fw_cfg"; + res[0].start = base; + res[0].end = base + 8 - 1; + res[0].flags = IORESOURCE_MEM; + + res[1].name = "ctrl"; + res[1].start = 0; + res[1].flags = IORESOURCE_REG; + + res[2].name = "data"; + res[2].start = 4; + res[2].flags = IORESOURCE_REG; + + if (base) { + pr_info("Found qemu fw_cfg interface at %#08x\n", base); + platform_device_register_simple("fw_cfg", + PLATFORM_DEVID_NONE, res, 3); + } + } +#endif } |