diff options
| -rw-r--r-- | hw/ssi/aspeed_smc.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/hw/ssi/aspeed_smc.c b/hw/ssi/aspeed_smc.c index 48305e1574..68aa697164 100644 --- a/hw/ssi/aspeed_smc.c +++ b/hw/ssi/aspeed_smc.c @@ -1696,6 +1696,160 @@ static const TypeInfo aspeed_2600_spi2_info = { .class_init = aspeed_2600_spi2_class_init, }; +/* + * The FMC Segment Registers of the AST1030 have a 512KB unit. + * Only bits [27:19] are used for decoding. + */ +#define AST1030_SEG_ADDR_MASK 0x0ff80000 + +static uint32_t aspeed_1030_smc_segment_to_reg(const AspeedSMCState *s, + const AspeedSegments *seg) +{ + uint32_t reg = 0; + + /* Disabled segments have a nil register */ + if (!seg->size) { + return 0; + } + + reg |= (seg->addr & AST1030_SEG_ADDR_MASK) >> 16; /* start offset */ + reg |= (seg->addr + seg->size - 1) & AST1030_SEG_ADDR_MASK; /* end offset */ + return reg; +} + +static void aspeed_1030_smc_reg_to_segment(const AspeedSMCState *s, + uint32_t reg, AspeedSegments *seg) +{ + uint32_t start_offset = (reg << 16) & AST1030_SEG_ADDR_MASK; + uint32_t end_offset = reg & AST1030_SEG_ADDR_MASK; + AspeedSMCClass *asc = ASPEED_SMC_GET_CLASS(s); + + if (reg) { + seg->addr = asc->flash_window_base + start_offset; + seg->size = end_offset + (512 * KiB) - start_offset; + } else { + seg->addr = asc->flash_window_base; + seg->size = 0; + } +} + +static const uint32_t aspeed_1030_fmc_resets[ASPEED_SMC_R_MAX] = { + [R_CONF] = (CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE0 | + CONF_FLASH_TYPE_SPI << CONF_FLASH_TYPE1), +}; + +static const AspeedSegments aspeed_1030_fmc_segments[] = { + { 0x0, 128 * MiB }, /* start address is readonly */ + { 128 * MiB, 128 * MiB }, /* default is disabled but needed for -kernel */ + { 0x0, 0 }, /* disabled */ +}; + +static void aspeed_1030_fmc_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass); + + dc->desc = "Aspeed 1030 FMC Controller"; + asc->r_conf = R_CONF; + asc->r_ce_ctrl = R_CE_CTRL; + asc->r_ctrl0 = R_CTRL0; + asc->r_timings = R_TIMINGS; + asc->nregs_timings = 2; + asc->conf_enable_w0 = CONF_ENABLE_W0; + asc->cs_num_max = 2; + asc->segments = aspeed_1030_fmc_segments; + asc->segment_addr_mask = 0x0ff80ff8; + asc->resets = aspeed_1030_fmc_resets; + asc->flash_window_base = 0x80000000; + asc->flash_window_size = 0x10000000; + asc->features = ASPEED_SMC_FEATURE_DMA; + asc->dma_flash_mask = 0x0FFFFFFC; + asc->dma_dram_mask = 0x000BFFFC; + asc->nregs = ASPEED_SMC_R_MAX; + asc->segment_to_reg = aspeed_1030_smc_segment_to_reg; + asc->reg_to_segment = aspeed_1030_smc_reg_to_segment; + asc->dma_ctrl = aspeed_2600_smc_dma_ctrl; +} + +static const TypeInfo aspeed_1030_fmc_info = { + .name = "aspeed.fmc-ast1030", + .parent = TYPE_ASPEED_SMC, + .class_init = aspeed_1030_fmc_class_init, +}; + +static const AspeedSegments aspeed_1030_spi1_segments[] = { + { 0x0, 128 * MiB }, /* start address is readonly */ + { 0x0, 0 }, /* disabled */ +}; + +static void aspeed_1030_spi1_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass); + + dc->desc = "Aspeed 1030 SPI1 Controller"; + asc->r_conf = R_CONF; + asc->r_ce_ctrl = R_CE_CTRL; + asc->r_ctrl0 = R_CTRL0; + asc->r_timings = R_TIMINGS; + asc->nregs_timings = 2; + asc->conf_enable_w0 = CONF_ENABLE_W0; + asc->cs_num_max = 2; + asc->segments = aspeed_1030_spi1_segments; + asc->segment_addr_mask = 0x0ff00ff0; + asc->flash_window_base = 0x90000000; + asc->flash_window_size = 0x10000000; + asc->features = ASPEED_SMC_FEATURE_DMA; + asc->dma_flash_mask = 0x0FFFFFFC; + asc->dma_dram_mask = 0x000BFFFC; + asc->nregs = ASPEED_SMC_R_MAX; + asc->segment_to_reg = aspeed_2600_smc_segment_to_reg; + asc->reg_to_segment = aspeed_2600_smc_reg_to_segment; + asc->dma_ctrl = aspeed_2600_smc_dma_ctrl; +} + +static const TypeInfo aspeed_1030_spi1_info = { + .name = "aspeed.spi1-ast1030", + .parent = TYPE_ASPEED_SMC, + .class_init = aspeed_1030_spi1_class_init, +}; +static const AspeedSegments aspeed_1030_spi2_segments[] = { + { 0x0, 128 * MiB }, /* start address is readonly */ + { 0x0, 0 }, /* disabled */ +}; + +static void aspeed_1030_spi2_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedSMCClass *asc = ASPEED_SMC_CLASS(klass); + + dc->desc = "Aspeed 1030 SPI2 Controller"; + asc->r_conf = R_CONF; + asc->r_ce_ctrl = R_CE_CTRL; + asc->r_ctrl0 = R_CTRL0; + asc->r_timings = R_TIMINGS; + asc->nregs_timings = 2; + asc->conf_enable_w0 = CONF_ENABLE_W0; + asc->cs_num_max = 2; + asc->segments = aspeed_1030_spi2_segments; + asc->segment_addr_mask = 0x0ff00ff0; + asc->flash_window_base = 0xb0000000; + asc->flash_window_size = 0x10000000; + asc->features = ASPEED_SMC_FEATURE_DMA; + asc->dma_flash_mask = 0x0FFFFFFC; + asc->dma_dram_mask = 0x000BFFFC; + asc->nregs = ASPEED_SMC_R_MAX; + asc->segment_to_reg = aspeed_2600_smc_segment_to_reg; + asc->reg_to_segment = aspeed_2600_smc_reg_to_segment; + asc->dma_ctrl = aspeed_2600_smc_dma_ctrl; +} + +static const TypeInfo aspeed_1030_spi2_info = { + .name = "aspeed.spi2-ast1030", + .parent = TYPE_ASPEED_SMC, + .class_init = aspeed_1030_spi2_class_init, +}; + static void aspeed_smc_register_types(void) { type_register_static(&aspeed_smc_flash_info); @@ -1709,6 +1863,9 @@ static void aspeed_smc_register_types(void) type_register_static(&aspeed_2600_fmc_info); type_register_static(&aspeed_2600_spi1_info); type_register_static(&aspeed_2600_spi2_info); + type_register_static(&aspeed_1030_fmc_info); + type_register_static(&aspeed_1030_spi1_info); + type_register_static(&aspeed_1030_spi2_info); } type_init(aspeed_smc_register_types) |