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| author | Cédric Le Goater <clg@kaod.org> | 2022-02-18 09:18:14 +0100 |
|---|---|---|
| committer | Cédric Le Goater <clg@kaod.org> | 2022-02-26 18:40:51 +0100 |
| commit | 7c8d2fc4f9cf55eaf0960aff3e77c7b8aebf90ab (patch) | |
| tree | 100d2193ffd0d94b20f4c3497b2fe86359743896 /hw | |
| parent | f4aec2523b479cb555473e6b03fe8db142a14a3b (diff) | |
| download | qemu-7c8d2fc4f9cf55eaf0960aff3e77c7b8aebf90ab.zip qemu-7c8d2fc4f9cf55eaf0960aff3e77c7b8aebf90ab.tar.gz qemu-7c8d2fc4f9cf55eaf0960aff3e77c7b8aebf90ab.tar.bz2 | |
aspeed/smc: Add an address mask on segment registers
Only a limited set of bits are used for decoding the Start and End
addresses of the mapping window of a flash device.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ssi/aspeed_smc.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c index ff154eb..d899be1 100644 --- a/hw/ssi/aspeed_smc.c +++ b/hw/ssi/aspeed_smc.c @@ -259,6 +259,10 @@ static void aspeed_smc_flash_set_segment_region(AspeedSMCState *s, int cs, memory_region_set_enabled(&fl->mmio, !!seg.size); memory_region_transaction_commit(); + if (asc->segment_addr_mask) { + regval &= asc->segment_addr_mask; + } + s->regs[R_SEG_ADDR0 + cs] = regval; } @@ -1364,6 +1368,7 @@ static void aspeed_2400_fmc_class_init(ObjectClass *klass, void *data) asc->conf_enable_w0 = CONF_ENABLE_W0; asc->max_peripherals = 5; asc->segments = aspeed_2400_fmc_segments; + asc->segment_addr_mask = 0xffff0000; asc->resets = aspeed_2400_fmc_resets; asc->flash_window_base = 0x20000000; asc->flash_window_size = 0x10000000; @@ -1446,6 +1451,7 @@ static void aspeed_2500_fmc_class_init(ObjectClass *klass, void *data) asc->conf_enable_w0 = CONF_ENABLE_W0; asc->max_peripherals = 3; asc->segments = aspeed_2500_fmc_segments; + asc->segment_addr_mask = 0xffff0000; asc->resets = aspeed_2500_fmc_resets; asc->flash_window_base = 0x20000000; asc->flash_window_size = 0x10000000; @@ -1483,6 +1489,7 @@ static void aspeed_2500_spi1_class_init(ObjectClass *klass, void *data) asc->conf_enable_w0 = CONF_ENABLE_W0; asc->max_peripherals = 2; asc->segments = aspeed_2500_spi1_segments; + asc->segment_addr_mask = 0xffff0000; asc->flash_window_base = 0x30000000; asc->flash_window_size = 0x8000000; asc->features = 0x0; @@ -1517,6 +1524,7 @@ static void aspeed_2500_spi2_class_init(ObjectClass *klass, void *data) asc->conf_enable_w0 = CONF_ENABLE_W0; asc->max_peripherals = 2; asc->segments = aspeed_2500_spi2_segments; + asc->segment_addr_mask = 0xffff0000; asc->flash_window_base = 0x38000000; asc->flash_window_size = 0x8000000; asc->features = 0x0; @@ -1598,6 +1606,7 @@ static void aspeed_2600_fmc_class_init(ObjectClass *klass, void *data) asc->conf_enable_w0 = CONF_ENABLE_W0; asc->max_peripherals = 3; asc->segments = aspeed_2600_fmc_segments; + asc->segment_addr_mask = 0x0ff00ff0; asc->resets = aspeed_2600_fmc_resets; asc->flash_window_base = 0x20000000; asc->flash_window_size = 0x10000000; @@ -1636,6 +1645,7 @@ static void aspeed_2600_spi1_class_init(ObjectClass *klass, void *data) asc->conf_enable_w0 = CONF_ENABLE_W0; asc->max_peripherals = 2; asc->segments = aspeed_2600_spi1_segments; + asc->segment_addr_mask = 0x0ff00ff0; asc->flash_window_base = 0x30000000; asc->flash_window_size = 0x10000000; asc->features = ASPEED_SMC_FEATURE_DMA | @@ -1674,6 +1684,7 @@ static void aspeed_2600_spi2_class_init(ObjectClass *klass, void *data) asc->conf_enable_w0 = CONF_ENABLE_W0; asc->max_peripherals = 3; asc->segments = aspeed_2600_spi2_segments; + asc->segment_addr_mask = 0x0ff00ff0; asc->flash_window_base = 0x50000000; asc->flash_window_size = 0x10000000; asc->features = ASPEED_SMC_FEATURE_DMA | |