diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ssi/aspeed_smc.c | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c index f0c7bbbad3..955ec21852 100644 --- a/hw/ssi/aspeed_smc.c +++ b/hw/ssi/aspeed_smc.c @@ -475,10 +475,26 @@ static bool aspeed_smc_flash_overlap(const AspeedSMCState *s, return false; } +static void aspeed_smc_flash_set_segment_region(AspeedSMCState *s, int cs, + uint64_t regval) +{ + AspeedSMCFlash *fl = &s->flashes[cs]; + AspeedSegments seg; + + s->ctrl->reg_to_segment(s, regval, &seg); + + memory_region_transaction_begin(); + memory_region_set_size(&fl->mmio, seg.size); + memory_region_set_address(&fl->mmio, seg.addr - s->ctrl->flash_window_base); + memory_region_set_enabled(&fl->mmio, true); + memory_region_transaction_commit(); + + s->regs[R_SEG_ADDR0 + cs] = regval; +} + static void aspeed_smc_flash_set_segment(AspeedSMCState *s, int cs, uint64_t new) { - AspeedSMCFlash *fl = &s->flashes[cs]; AspeedSegments seg; s->ctrl->reg_to_segment(s, new, &seg); @@ -529,13 +545,7 @@ static void aspeed_smc_flash_set_segment(AspeedSMCState *s, int cs, aspeed_smc_flash_overlap(s, &seg, cs); /* All should be fine now to move the region */ - memory_region_transaction_begin(); - memory_region_set_size(&fl->mmio, seg.size); - memory_region_set_address(&fl->mmio, seg.addr - s->ctrl->flash_window_base); - memory_region_set_enabled(&fl->mmio, true); - memory_region_transaction_commit(); - - s->regs[R_SEG_ADDR0 + cs] = new; + aspeed_smc_flash_set_segment_region(s, cs, new); } static uint64_t aspeed_smc_flash_default_read(void *opaque, hwaddr addr, @@ -897,10 +907,10 @@ static void aspeed_smc_reset(DeviceState *d) qemu_set_irq(s->cs_lines[i], true); } - /* setup default segment register values for all */ + /* setup the default segment register values and regions for all */ for (i = 0; i < s->ctrl->max_slaves; ++i) { - s->regs[R_SEG_ADDR0 + i] = - s->ctrl->segment_to_reg(s, &s->ctrl->segments[i]); + aspeed_smc_flash_set_segment_region(s, i, + s->ctrl->segment_to_reg(s, &s->ctrl->segments[i])); } /* HW strapping flash type for the AST2600 controllers */ |