/* * ASPEED SDRAM Memory Controller * * Copyright (C) 2016 IBM Corp. * * This code is licensed under the GPL version 2 or later. See * the COPYING file in the top-level directory. */ #include "qemu/osdep.h" #include "qemu/log.h" #include "qemu/module.h" #include "qemu/error-report.h" #include "hw/misc/aspeed_sdmc.h" #include "hw/qdev-properties.h" #include "migration/vmstate.h" #include "qapi/error.h" #include "trace.h" #include "qemu/units.h" #include "qemu/cutils.h" #include "qapi/visitor.h" /* Protection Key Register */ #define R_PROT (0x00 / 4) #define PROT_UNLOCKED 0x01 #define PROT_HARDLOCKED 0x10 /* AST2600 */ #define PROT_SOFTLOCKED 0x00 #define PROT_KEY_UNLOCK 0xFC600309 #define PROT_2700_KEY_UNLOCK 0x1688A8A8 #define PROT_KEY_HARDLOCK 0xDEADDEAD /* AST2600 */ /* Configuration Register */ #define R_CONF (0x04 / 4) /* Interrupt control/status */ #define R_ISR (0x50 / 4) /* Control/Status Register #1 (ast2500) */ #define R_STATUS1 (0x60 / 4) #define PHY_BUSY_STATE BIT(0) #define PHY_PLL_LOCK_STATUS BIT(4) /* Reserved */ #define R_MCR6C (0x6c / 4) #define R_ECC_TEST_CTRL (0x70 / 4) #define ECC_TEST_FINISHED BIT(12) #define ECC_TEST_FAIL BIT(13) #define R_TEST_START_LEN (0x74 / 4) #define R_TEST_FAIL_DQ (0x78 / 4) #define R_TEST_INIT_VAL (0x7c / 4) #define R_DRAM_SW (0x88 / 4) #define R_DRAM_TIME (0x8c / 4) #define R_ECC_ERR_INJECT (0xb4 / 4) /* AST2700 Register */ #define R_2700_PROT (0x00 / 4) #define R_INT_STATUS (0x04 / 4) #define R_INT_CLEAR (0x08 / 4) #define R_INT_MASK (0x0c / 4) #define R_MAIN_CONF (0x10 / 4) #define R_MAIN_CONTROL (0x14 / 4) #define R_MAIN_STATUS (0x18 / 4) #define R_ERR_STATUS (0x1c / 4) #define R_ECC_FAIL_STATUS (0x78 / 4) #define R_ECC_FAIL_ADDR (0x7c / 4) #define R_ECC_TESTING_CONTROL (0x80 / 4) #define R_PROT_REGION_LOCK_STATUS (0x94 / 4) #define R_TEST_FAIL_ADDR (0xd4 / 4) #define R_TEST_FAIL_D0 (0xd8 / 4) #define R_TEST_FAIL_D1 (0xdc / 4) #define R_TEST_FAIL_D2 (0xe0 / 4) #define R_TEST_FAIL_D3 (0xe4 / 4) #define R_DBG_STATUS (0xf4 / 4) #define R_PHY_INTERFACE_STATUS (0xf8 / 4) #define R_GRAPHIC_MEM_BASE_ADDR (0x10c / 4) #define R_PORT0_INTERFACE_MONITOR0 (0x240 / 4) #define R_PORT0_INTERFACE_MONITOR1 (0x244 / 4) #define R_PORT0_INTERFACE_MONITOR2 (0x248 / 4) #define R_PORT1_INTERFACE_MONITOR0 (0x2c0 / 4) #define R_PORT1_INTERFACE_MONITOR1 (0x2c4 / 4) #define R_PORT1_INTERFACE_MONITOR2 (0x2c8 / 4) #define R_PORT2_INTERFACE_MONITOR0 (0x340 / 4) #define R_PORT2_INTERFACE_MONITOR1 (0x344 / 4) #define R_PORT2_INTERFACE_MONITOR2 (0x348 / 4) #define R_PORT3_INTERFACE_MONITOR0 (0x3c0 / 4) #define R_PORT3_INTERFACE_MONITOR1 (0x3c4 / 4) #define R_PORT3_INTERFACE_MONITOR2 (0x3c8 / 4) #define R_PORT4_INTERFACE_MONITOR0 (0x440 / 4) #define R_PORT4_INTERFACE_MONITOR1 (0x444 / 4) #define R_PORT4_INTERFACE_MONITOR2 (0x448 / 4) #define R_PORT5_INTERFACE_MONITOR0 (0x4c0 / 4) #define R_PORT5_INTERFACE_MONITOR1 (0x4c4 / 4) #define R_PORT5_INTERFACE_MONITOR2 (0x4c8 / 4) /* * Configuration register Ox4 (for Aspeed AST2400 SOC) * * These are for the record and future use. ASPEED_SDMC_DRAM_SIZE is * what we care about right now as it is checked by U-Boot to * determine the RAM size. */ #define ASPEED_SDMC_RESERVED 0xFFFFF800 /* 31:11 reserved */ #define ASPEED_SDMC_AST2300_COMPAT (1 << 10) #define ASPEED_SDMC_SCRAMBLE_PATTERN (1 << 9) #define ASPEED_SDMC_DATA_SCRAMBLE (1 << 8) #define ASPEED_SDMC_ECC_ENABLE (1 << 7) #define ASPEED_SDMC_VGA_COMPAT (1 << 6) /* readonly */ #define ASPEED_SDMC_DRAM_BANK (1 << 5) #define ASPEED_SDMC_DRAM_BURST (1 << 4) #define ASPEED_SDMC_VGA_APERTURE(x) ((x & 0x3) << 2) /* readonly */ #define ASPEED_SDMC_VGA_8MB 0x0 #define ASPEED_SDMC_VGA_16MB 0x1 #define ASPEED_SDMC_VGA_32MB 0x2 #define ASPEED_SDMC_VGA_64MB 0x3 #define ASPEED_SDMC_DRAM_SIZE(x) (x & 0x3) #define ASPEED_SDMC_READONLY_MASK \ (ASPEED_SDMC_RESERVED | ASPEED_SDMC_VGA_COMPAT | \ ASPEED_SDMC_VGA_APERTURE(ASPEED_SDMC_VGA_64MB)) /* * Configuration register Ox4 (for Aspeed AST2500 SOC and higher) * * Incompatibilities are annotated in the list. ASPEED_SDMC_HW_VERSION * should be set to 1 for the AST2500 SOC. */ #define ASPEED_SDMC_HW_VERSION(x) ((x & 0xf) << 28) /* readonly */ #define ASPEED_SDMC_SW_VERSION ((x & 0xff) << 20) #define ASPEED_SDMC_CACHE_INITIAL_DONE (1 << 19) /* readonly */ #define ASPEED_SDMC_AST2500_RESERVED 0x7C000 /* 18:14 reserved */ #define ASPEED_SDMC_CACHE_DDR4_CONF (1 << 13) #define ASPEED_SDMC_CACHE_INITIAL (1 << 12) #define ASPEED_SDMC_CACHE_RANGE_CTRL (1 << 11) #define ASPEED_SDMC_CACHE_ENABLE (1 << 10) /* differs from AST2400 */ #define ASPEED_SDMC_DRAM_TYPE (1 << 4) /* differs from AST2400 */ #define ASPEED_SDMC_AST2500_READONLY_MASK \ (ASPEED_SDMC_HW_VERSION(0xf) | ASPEED_SDMC_CACHE_INITIAL_DONE | \ ASPEED_SDMC_AST2500_RESERVED | ASPEED_SDMC_VGA_COMPAT | \ ASPEED_SDMC_VGA_APERTURE(ASPEED_SDMC_VGA_64MB)) /* * Main Configuration register Ox10 (for Aspeed AST2700 SOC and higher) * */ #define ASPEED_SDMC_AST2700_RESERVED 0xFFFF2082 /* 31:16, 13, 7, 1 */ #define ASPEED_SDMC_AST2700_DATA_SCRAMBLE (1 << 8) #define ASPEED_SDMC_AST2700_ECC_ENABLE (1 << 6) #define ASPEED_SDMC_AST2700_PAGE_MATCHING_ENABLE (1 << 5) #define ASPEED_SDMC_AST2700_DRAM_SIZE(x) ((x & 0x7) << 2) #define ASPEED_SDMC_AST2700_READONLY_MASK \ (ASPEED_SDMC_AST2700_RESERVED) static uint64_t aspeed_sdmc_read(void *opaque, hwaddr addr, unsigned size) { AspeedSDMCState *s = ASPEED_SDMC(opaque); addr >>= 2; if (addr >= ARRAY_SIZE(s->regs)) { qemu_log_mask(LOG_GUEST_ERROR, "%s: Out-of-bounds read at offset 0x%" HWADDR_PRIx "\n", __func__, addr * 4); return 0; } trace_aspeed_sdmc_read(addr, s->regs[addr]); return s->regs[addr]; } static void aspeed_sdmc_write(void *opaque, hwaddr addr, uint64_t data, unsigned int size) { AspeedSDMCState *s = ASPEED_SDMC(opaque); AspeedSDMCClass *asc = ASPEED_SDMC_GET_CLASS(s); addr >>= 2; if (addr >= ARRAY_SIZE(s->regs)) { qemu_log_mask(LOG_GUEST_ERROR, "%s: Out-of-bounds write at offset 0x%" HWADDR_PRIx "\n", __func__, addr); return; } trace_aspeed_sdmc_write(addr, data); asc->write(s, addr, data); } static const MemoryRegionOps aspeed_sdmc_ops = { .read = aspeed_sdmc_read, .write = aspeed_sdmc_write, .endianness = DEVICE_LITTLE_ENDIAN, .valid.min_access_size = 4, .valid.max_access_size = 4, }; static void aspeed_sdmc_reset(DeviceState *dev) { AspeedSDMCState *s = ASPEED_SDMC(dev); AspeedSDMCClass *asc = ASPEED_SDMC_GET_CLASS(s); memset(s->regs, 0, sizeof(s->regs)); /* Set ram size bit and defaults values */ s->regs[R_CONF] = asc->compute_conf(s, 0); /* * PHY status: * - set phy status ok (set bit 1) * - initial PVT calibration ok (clear bit 3) * - runtime calibration ok (clear bit 5) */ s->regs[0x100] = BIT(1); /* PHY eye window: set all as passing */ s->regs[0x100 | (0x68 / 4)] = 0xff; s->regs[0x100 | (0x7c / 4)] = 0xff; s->regs[0x100 | (0x50 / 4)] = 0xfffffff; } static void aspeed_sdmc_get_ram_size(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { AspeedSDMCState *s = ASPEED_SDMC(obj); int64_t value = s->ram_size; visit_type_int(v, name, &value, errp); } static void aspeed_sdmc_set_ram_size(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { int i; char *sz; int64_t value; AspeedSDMCState *s = ASPEED_SDMC(obj); AspeedSDMCClass *asc = ASPEED_SDMC_GET_CLASS(s); if (!visit_type_int(v, name, &value, errp)) { return; } for (i = 0; asc->valid_ram_sizes[i]; i++) { if (value == asc->valid_ram_sizes[i]) { s->ram_size = value; return; } } sz = size_to_str(value); error_setg(errp, "Invalid RAM size %s", sz); g_free(sz); } static void aspeed_sdmc_initfn(Object *obj) { object_property_add(obj, "ram-size", "int", aspeed_sdmc_get_ram_size, aspeed_sdmc_set_ram_size, NULL, NULL); } static void aspeed_sdmc_realize(DeviceState *dev, Error **errp) { SysBusDevice *sbd = SYS_BUS_DEVICE(dev); AspeedSDMCState *s = ASPEED_SDMC(dev); AspeedSDMCClass *asc = ASPEED_SDMC_GET_CLASS(s); assert(asc->max_ram_size < 4 * GiB || asc->is_bus64bit); if (!s->ram_size) { error_setg(errp, "RAM size is not set"); return; } s->max_ram_size = asc->max_ram_size; memory_region_init_io(&s->iomem, OBJECT(s), &aspeed_sdmc_ops, s, TYPE_ASPEED_SDMC, 0x1000); sysbus_init_mmio(sbd, &s->iomem); } static const VMStateDescription vmstate_aspeed_sdmc = { .name = "aspeed.sdmc", .version_id = 2, .minimum_version_id = 2, .fields = (const VMStateField[]) { VMSTATE_UINT32_ARRAY(regs, AspeedSDMCState, ASPEED_SDMC_NR_REGS), VMSTATE_END_OF_LIST() } }; static Property aspeed_sdmc_properties[] = { DEFINE_PROP_UINT64("max-ram-size", AspeedSDMCState, max_ram_size, 0), DEFINE_PROP_BOOL("unlocked", AspeedSDMCState, unlocked, false), DEFINE_PROP_END_OF_LIST(), }; static void aspeed_sdmc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); dc->realize = aspeed_sdmc_realize; device_class_set_legacy_reset(dc, aspeed_sdmc_reset); dc->desc = "ASPEED SDRAM Memory Controller"; dc->vmsd = &vmstate_aspeed_sdmc; device_class_set_props(dc, aspeed_sdmc_properties); } static const TypeInfo aspeed_sdmc_info = { .name = TYPE_ASPEED_SDMC, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(AspeedSDMCState), .instance_init = aspeed_sdmc_initfn, .class_init = aspeed_sdmc_class_init, .class_size = sizeof(AspeedSDMCClass), .abstract = true, }; static int aspeed_sdmc_get_ram_bits(AspeedSDMCState *s) { AspeedSDMCClass *asc = ASPEED_SDMC_GET_CLASS(s); int i; /* * The bitfield value encoding the RAM size is the index of the * possible RAM size array */ for (i = 0; asc->valid_ram_sizes[i]; i++) { if (s->ram_size == asc->valid_ram_sizes[i]) { return i; } } /* * Invalid RAM sizes should have been excluded when setting the * SoC RAM size. */ g_assert_not_reached(); } static uint32_t aspeed_2400_sdmc_compute_conf(AspeedSDMCState *s, uint32_t data) { uint32_t fixed_conf = ASPEED_SDMC_VGA_COMPAT | ASPEED_SDMC_DRAM_SIZE(aspeed_sdmc_get_ram_bits(s)); /* Make sure readonly bits are kept */ data &= ~ASPEED_SDMC_READONLY_MASK; return data | fixed_conf; } static void aspeed_2400_sdmc_write(AspeedSDMCState *s, uint32_t reg, uint32_t data) { if (reg == R_PROT) { s->regs[reg] = (data == PROT_KEY_UNLOCK) ? PROT_UNLOCKED : PROT_SOFTLOCKED; return; } if (!s->regs[R_PROT]) { qemu_log_mask(LOG_GUEST_ERROR, "%s: SDMC is locked!\n", __func__); return; } switch (reg) { case R_CONF: data = aspeed_2400_sdmc_compute_conf(s, data); break; default: break; } s->regs[reg] = data; } static const uint64_t aspeed_2400_ram_sizes[] = { 64 * MiB, 128 * MiB, 256 * MiB, 512 * MiB, 0}; static void aspeed_2400_sdmc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); AspeedSDMCClass *asc = ASPEED_SDMC_CLASS(klass); dc->desc = "ASPEED 2400 SDRAM Memory Controller"; asc->max_ram_size = 512 * MiB; asc->compute_conf = aspeed_2400_sdmc_compute_conf; asc->write = aspeed_2400_sdmc_write; asc->valid_ram_sizes = aspeed_2400_ram_sizes; } static const TypeInfo aspeed_2400_sdmc_info = { .name = TYPE_ASPEED_2400_SDMC, .parent = TYPE_ASPEED_SDMC, .class_init = aspeed_2400_sdmc_class_init, }; static uint32_t aspeed_2500_sdmc_compute_conf(AspeedSDMCState *s, uint32_t data) { uint32_t fixed_conf = ASPEED_SDMC_HW_VERSION(1) | ASPEED_SDMC_VGA_APERTURE(ASPEED_SDMC_VGA_64MB) | ASPEED_SDMC_CACHE_INITIAL_DONE | ASPEED_SDMC_DRAM_SIZE(aspeed_sdmc_get_ram_bits(s)); /* Make sure readonly bits are kept */ data &= ~ASPEED_SDMC_AST2500_READONLY_MASK; return data | fixed_conf; } static void aspeed_2500_sdmc_write(AspeedSDMCState *s, uint32_t reg, uint32_t data) { if (reg == R_PROT) { s->regs[reg] = (data == PROT_KEY_UNLOCK) ? PROT_UNLOCKED : PROT_SOFTLOCKED; return; } if (!s->regs[R_PROT]) { qemu_log_mask(LOG_GUEST_ERROR, "%s: SDMC is locked!\n", __func__); return; } switch (reg) { case R_CONF: data = aspeed_2500_sdmc_compute_conf(s, data); break; case R_STATUS1: /* Will never return 'busy' */ data &= ~PHY_BUSY_STATE; break; case R_ECC_TEST_CTRL: /* Always done, always happy */ data |= ECC_TEST_FINISHED; data &= ~ECC_TEST_FAIL; break; default: break; } s->regs[reg] = data; } static const uint64_t aspeed_2500_ram_sizes[] = { 128 * MiB, 256 * MiB, 512 * MiB, 1024 * MiB, 0}; static void aspeed_2500_sdmc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); AspeedSDMCClass *asc = ASPEED_SDMC_CLASS(klass); dc->desc = "ASPEED 2500 SDRAM Memory Controller"; asc->max_ram_size = 1 * GiB; asc->compute_conf = aspeed_2500_sdmc_compute_conf; asc->write = aspeed_2500_sdmc_write; asc->valid_ram_sizes = aspeed_2500_ram_sizes; } static const TypeInfo aspeed_2500_sdmc_info = { .name = TYPE_ASPEED_2500_SDMC, .parent = TYPE_ASPEED_SDMC, .class_init = aspeed_2500_sdmc_class_init, }; static uint32_t aspeed_2600_sdmc_compute_conf(AspeedSDMCState *s, uint32_t data) { uint32_t fixed_conf = ASPEED_SDMC_HW_VERSION(3) | ASPEED_SDMC_VGA_APERTURE(ASPEED_SDMC_VGA_64MB) | ASPEED_SDMC_DRAM_SIZE(aspeed_sdmc_get_ram_bits(s)); /* Make sure readonly bits are kept (use ast2500 mask) */ data &= ~ASPEED_SDMC_AST2500_READONLY_MASK; return data | fixed_conf; } static void aspeed_2600_sdmc_write(AspeedSDMCState *s, uint32_t reg, uint32_t data) { /* Unprotected registers */ switch (reg) { case R_ISR: case R_MCR6C: case R_TEST_START_LEN: case R_TEST_FAIL_DQ: case R_TEST_INIT_VAL: case R_DRAM_SW: case R_DRAM_TIME: case R_ECC_ERR_INJECT: s->regs[reg] = data; return; } if (s->regs[R_PROT] == PROT_HARDLOCKED) { qemu_log_mask(LOG_GUEST_ERROR, "%s: SDMC is locked until system reset!\n", __func__); return; } if (reg != R_PROT && s->regs[R_PROT] == PROT_SOFTLOCKED) { qemu_log_mask(LOG_GUEST_ERROR, "%s: SDMC is locked! (write to MCR%02x blocked)\n", __func__, reg * 4); return; } switch (reg) { case R_PROT: if (data == PROT_KEY_UNLOCK) { data = PROT_UNLOCKED; } else if (data == PROT_KEY_HARDLOCK) { data = PROT_HARDLOCKED; } else { data = PROT_SOFTLOCKED; } break; case R_CONF: data = aspeed_2600_sdmc_compute_conf(s, data); break; case R_STATUS1: /* Will never return 'busy'. 'lock status' is always set */ data &= ~PHY_BUSY_STATE; data |= PHY_PLL_LOCK_STATUS; break; case R_ECC_TEST_CTRL: /* Always done, always happy */ data |= ECC_TEST_FINISHED; data &= ~ECC_TEST_FAIL; break; default: break; } s->regs[reg] = data; } static const uint64_t aspeed_2600_ram_sizes[] = { 256 * MiB, 512 * MiB, 1024 * MiB, 2048 * MiB, 0}; static void aspeed_2600_sdmc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); AspeedSDMCClass *asc = ASPEED_SDMC_CLASS(klass); dc->desc = "ASPEED 2600 SDRAM Memory Controller"; asc->max_ram_size = 2 * GiB; asc->compute_conf = aspeed_2600_sdmc_compute_conf; asc->write = aspeed_2600_sdmc_write; asc->valid_ram_sizes = aspeed_2600_ram_sizes; } static const TypeInfo aspeed_2600_sdmc_info = { .name = TYPE_ASPEED_2600_SDMC, .parent = TYPE_ASPEED_SDMC, .class_init = aspeed_2600_sdmc_class_init, }; static void aspeed_2700_sdmc_reset(DeviceState *dev) { AspeedSDMCState *s = ASPEED_SDMC(dev); AspeedSDMCClass *asc = ASPEED_SDMC_GET_CLASS(s); memset(s->regs, 0, sizeof(s->regs)); /* Set ram size bit and defaults values */ s->regs[R_MAIN_CONF] = asc->compute_conf(s, 0); if (s->unlocked) { s->regs[R_2700_PROT] = PROT_UNLOCKED; } } static uint32_t aspeed_2700_sdmc_compute_conf(AspeedSDMCState *s, uint32_t data) { uint32_t fixed_conf = ASPEED_SDMC_AST2700_PAGE_MATCHING_ENABLE | ASPEED_SDMC_AST2700_DRAM_SIZE(aspeed_sdmc_get_ram_bits(s)); /* Make sure readonly bits are kept */ data &= ~ASPEED_SDMC_AST2700_READONLY_MASK; return data | fixed_conf; } static void aspeed_2700_sdmc_write(AspeedSDMCState *s, uint32_t reg, uint32_t data) { /* Unprotected registers */ switch (reg) { case R_INT_STATUS: case R_INT_CLEAR: case R_INT_MASK: case R_ERR_STATUS: case R_ECC_FAIL_STATUS: case R_ECC_FAIL_ADDR: case R_PROT_REGION_LOCK_STATUS: case R_TEST_FAIL_ADDR: case R_TEST_FAIL_D0: case R_TEST_FAIL_D1: case R_TEST_FAIL_D2: case R_TEST_FAIL_D3: case R_DBG_STATUS: case R_PHY_INTERFACE_STATUS: case R_GRAPHIC_MEM_BASE_ADDR: case R_PORT0_INTERFACE_MONITOR0: case R_PORT0_INTERFACE_MONITOR1: case R_PORT0_INTERFACE_MONITOR2: case R_PORT1_INTERFACE_MONITOR0: case R_PORT1_INTERFACE_MONITOR1: case R_PORT1_INTERFACE_MONITOR2: case R_PORT2_INTERFACE_MONITOR0: case R_PORT2_INTERFACE_MONITOR1: case R_PORT2_INTERFACE_MONITOR2: case R_PORT3_INTERFACE_MONITOR0: case R_PORT3_INTERFACE_MONITOR1: case R_PORT3_INTERFACE_MONITOR2: case R_PORT4_INTERFACE_MONITOR0: case R_PORT4_INTERFACE_MONITOR1: case R_PORT4_INTERFACE_MONITOR2: case R_PORT5_INTERFACE_MONITOR0: case R_PORT5_INTERFACE_MONITOR1: case R_PORT5_INTERFACE_MONITOR2: s->regs[reg] = data; return; } if (s->regs[R_2700_PROT] == PROT_HARDLOCKED) { qemu_log_mask(LOG_GUEST_ERROR, "%s: SDMC is locked until system reset!\n", __func__); return; } if (reg != R_2700_PROT && s->regs[R_2700_PROT] == PROT_SOFTLOCKED) { qemu_log_mask(LOG_GUEST_ERROR, "%s: SDMC is locked! (write to MCR%02x blocked)\n", __func__, reg * 4); return; } switch (reg) { case R_2700_PROT: if (data == PROT_2700_KEY_UNLOCK) { data = PROT_UNLOCKED; } else if (data == PROT_KEY_HARDLOCK) { data = PROT_HARDLOCKED; } else { data = PROT_SOFTLOCKED; } break; case R_MAIN_CONF: data = aspeed_2700_sdmc_compute_conf(s, data); break; case R_MAIN_STATUS: /* Will never return 'busy'. */ data &= ~PHY_BUSY_STATE; break; default: break; } s->regs[reg] = data; } static const uint64_t aspeed_2700_ram_sizes[] = { 256 * MiB, 512 * MiB, 1024 * MiB, 2048 * MiB, 4096 * MiB, 8192 * MiB, 0}; static void aspeed_2700_sdmc_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); AspeedSDMCClass *asc = ASPEED_SDMC_CLASS(klass); dc->desc = "ASPEED 2700 SDRAM Memory Controller"; device_class_set_legacy_reset(dc, aspeed_2700_sdmc_reset); asc->is_bus64bit = true; asc->max_ram_size = 8 * GiB; asc->compute_conf = aspeed_2700_sdmc_compute_conf; asc->write = aspeed_2700_sdmc_write; asc->valid_ram_sizes = aspeed_2700_ram_sizes; } static const TypeInfo aspeed_2700_sdmc_info = { .name = TYPE_ASPEED_2700_SDMC, .parent = TYPE_ASPEED_SDMC, .class_init = aspeed_2700_sdmc_class_init, }; static void aspeed_sdmc_register_types(void) { type_register_static(&aspeed_sdmc_info); type_register_static(&aspeed_2400_sdmc_info); type_register_static(&aspeed_2500_sdmc_info); type_register_static(&aspeed_2600_sdmc_info); type_register_static(&aspeed_2700_sdmc_info); } type_init(aspeed_sdmc_register_types);