From 42d3b29d9ea7d93da4bae7058711c56b12ebf23c Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Wed, 11 Jun 2014 23:29:43 -0600 Subject: [PATCH] sandbox: Support iotrace feature Support the iotrace feature for sandbox, and enable it, using some dummy I/O access methods. Signed-off-by: Simon Glass --- arch/sandbox/include/asm/io.h | 10 ++++++++++ include/configs/sandbox.h | 3 +++ 2 files changed, 13 insertions(+) diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h index 7956041171..895fcb872f 100644 --- a/arch/sandbox/include/asm/io.h +++ b/arch/sandbox/include/asm/io.h @@ -40,4 +40,14 @@ static inline void unmap_sysmem(const void *vaddr) /* Map from a pointer to our RAM buffer */ phys_addr_t map_to_sysmem(const void *ptr); +/* Define nops for sandbox I/O access */ +#define readb(addr) 0 +#define readw(addr) 0 +#define readl(addr) 0 +#define writeb(v, addr) +#define writew(v, addr) +#define writel(v, addr) + +#include + #endif diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h index a145094042..12b69d9a24 100644 --- a/include/configs/sandbox.h +++ b/include/configs/sandbox.h @@ -16,6 +16,9 @@ #endif +#define CONFIG_IO_TRACE +#define CONFIG_CMD_IOTRACE + #define CONFIG_SYS_TIMER_RATE 1000000 #define CONFIG_BOOTSTAGE -- 2.25.1