diff options
| -rw-r--r-- | arch/sandbox/cpu/state.c | 9 | ||||
| -rw-r--r-- | doc/arch/sandbox/sandbox.rst | 21 |
2 files changed, 17 insertions, 13 deletions
diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c index a9ca79e76d2..49236db99c2 100644 --- a/arch/sandbox/cpu/state.c +++ b/arch/sandbox/cpu/state.c @@ -373,12 +373,13 @@ void state_reset_for_test(struct sandbox_state *state) memset(state->spi, '\0', sizeof(state->spi)); /* - * Set up the memory tag list. Use the top of emulated SDRAM for the - * first tag number, since that address offset is outside the legal - * range, and can be assumed to be a tag. + * Set up the memory tag list. We could use the top of emulated SDRAM + * for the first tag number, since that address offset is outside the + * legal SDRAM range, but PCI can have address there. So use a very + * large address instead */ INIT_LIST_HEAD(&state->mapmem_head); - state->next_tag = state->ram_size; + state->next_tag = 0xff000000; } bool autoboot_keyed(void) diff --git a/doc/arch/sandbox/sandbox.rst b/doc/arch/sandbox/sandbox.rst index 5f8db126657..1515f93c84b 100644 --- a/doc/arch/sandbox/sandbox.rst +++ b/doc/arch/sandbox/sandbox.rst @@ -655,14 +655,17 @@ Memory Map Sandbox has its own emulated memory starting at 0. Here are some of the things that are mapped into that memory: -======= ======================== =============================== +======== ======================== =============================== Addr Config Usage -======= ======================== =============================== - 100 CONFIG_SYS_FDT_LOAD_ADDR Device tree - b000 CONFIG_BLOBLIST_ADDR Blob list - 10000 CFG_MALLOC_F_ADDR Early memory allocation - f0000 CONFIG_PRE_CON_BUF_ADDR Pre-console buffer - 100000 CONFIG_TRACE_EARLY_ADDR Early trace buffer (if enabled). Also used +======== ======================== =============================== + 100 CONFIG_SYS_FDT_LOAD_ADDR Device tree + b000 CONFIG_BLOBLIST_ADDR Blob list + 10000 CFG_MALLOC_F_ADDR Early memory allocation + f0000 CONFIG_PRE_CON_BUF_ADDR Pre-console buffer + 100000 CONFIG_TRACE_EARLY_ADDR Early trace buffer (if enabled). Also used as the SPL load buffer in spl_test_load(). - 200000 CONFIG_TEXT_BASE Load buffer for U-Boot (sandbox_spl only) -======= ======================== =============================== + 200000 CONFIG_TEXT_BASE Load buffer for U-Boot (sandbox_spl only) +10000000 PCI address space (see test.dts) + +ff000000 Memory-mapping tags start here +======== ======================== =============================== |