diff options
| -rw-r--r-- | hw/arm/aspeed.c | 17 | ||||
| -rw-r--r-- | hw/arm/aspeed_ast10x0.c | 18 | ||||
| -rw-r--r-- | hw/i2c/aspeed_i2c.c | 820 | ||||
| -rw-r--r-- | hw/i2c/trace-events | 2 | ||||
| -rw-r--r-- | hw/misc/aspeed_hace.c | 4 | ||||
| -rw-r--r-- | include/hw/i2c/aspeed_i2c.h | 289 | ||||
| -rw-r--r-- | include/hw/registerfields.h | 70 | ||||
| -rw-r--r-- | tests/avocado/boot_linux_console.py | 43 | ||||
| -rw-r--r-- | tests/avocado/machine_aspeed.py | 136 | ||||
| -rw-r--r-- | tests/qtest/aspeed_smc-test.c | 74 |
10 files changed, 1095 insertions, 378 deletions
diff --git a/hw/arm/aspeed.c b/hw/arm/aspeed.c index 98dc185acd..a06f7c1b62 100644 --- a/hw/arm/aspeed.c +++ b/hw/arm/aspeed.c @@ -519,10 +519,6 @@ static void ast2500_evb_i2c_init(AspeedMachineState *bmc) /* The AST2500 EVB expects a LM75 but a TMP105 is compatible */ i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 7), TYPE_TMP105, 0x4d); - - /* The AST2500 EVB does not have an RTC. Let's pretend that one is - * plugged on the I2C bus header */ - i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 11), "ds1338", 0x32); } static void ast2600_evb_i2c_init(AspeedMachineState *bmc) @@ -1401,6 +1397,18 @@ static void aspeed_minibmc_machine_init(MachineState *machine) AST1030_INTERNAL_FLASH_SIZE); } +static void ast1030_evb_i2c_init(AspeedMachineState *bmc) +{ + AspeedSoCState *soc = &bmc->soc; + + /* U10 24C08 connects to SDA/SCL Groupt 1 by default */ + uint8_t *eeprom_buf = g_malloc0(32 * 1024); + smbus_eeprom_init_one(aspeed_i2c_get_bus(&soc->i2c, 0), 0x50, eeprom_buf); + + /* U11 LM75 connects to SDA/SCL Group 2 by default */ + i2c_slave_create_simple(aspeed_i2c_get_bus(&soc->i2c, 1), "tmp105", 0x4d); +} + static void aspeed_minibmc_machine_ast1030_evb_class_init(ObjectClass *oc, void *data) { @@ -1412,6 +1420,7 @@ static void aspeed_minibmc_machine_ast1030_evb_class_init(ObjectClass *oc, amc->hw_strap1 = 0; amc->hw_strap2 = 0; mc->init = aspeed_minibmc_machine_init; + amc->i2c_init = ast1030_evb_i2c_init; mc->default_ram_size = 0; mc->default_cpus = mc->min_cpus = mc->max_cpus = 1; amc->fmc_model = "sst25vf032b"; diff --git a/hw/arm/aspeed_ast10x0.c b/hw/arm/aspeed_ast10x0.c index d534541684..5df480a21f 100644 --- a/hw/arm/aspeed_ast10x0.c +++ b/hw/arm/aspeed_ast10x0.c @@ -114,6 +114,9 @@ static void aspeed_soc_ast1030_init(Object *obj) object_property_add_alias(obj, "hw-strap1", OBJECT(&s->scu), "hw-strap1"); object_property_add_alias(obj, "hw-strap2", OBJECT(&s->scu), "hw-strap2"); + snprintf(typename, sizeof(typename), "aspeed.i2c-%s", socname); + object_initialize_child(obj, "i2c", &s->i2c, typename); + snprintf(typename, sizeof(typename), "aspeed.timer-%s", socname); object_initialize_child(obj, "timerctrl", &s->timerctrl, typename); @@ -188,6 +191,21 @@ static void aspeed_soc_ast1030_realize(DeviceState *dev_soc, Error **errp) } sysbus_mmio_map(SYS_BUS_DEVICE(&s->scu), 0, sc->memmap[ASPEED_DEV_SCU]); + /* I2C */ + + object_property_set_link(OBJECT(&s->i2c), "dram", OBJECT(&s->sram), + &error_abort); + if (!sysbus_realize(SYS_BUS_DEVICE(&s->i2c), errp)) { + return; + } + sysbus_mmio_map(SYS_BUS_DEVICE(&s->i2c), 0, sc->memmap[ASPEED_DEV_I2C]); + for (i = 0; i < ASPEED_I2C_GET_CLASS(&s->i2c)->num_busses; i++) { + qemu_irq irq = qdev_get_gpio_in(DEVICE(&s->armv7m), + sc->irqmap[ASPEED_DEV_I2C] + i); + /* The AST1030 I2C controller has one IRQ per bus. */ + sysbus_connect_irq(SYS_BUS_DEVICE(&s->i2c.busses[i]), 0, irq); + } + /* LPC */ if (!sysbus_realize(SYS_BUS_DEVICE(&s->lpc), errp)) { return; diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index 03a4f5a910..37ae1f2e04 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -21,6 +21,7 @@ #include "qemu/osdep.h" #include "hw/sysbus.h" #include "migration/vmstate.h" +#include "qemu/cutils.h" #include "qemu/log.h" #include "qemu/module.h" #include "qemu/error-report.h" @@ -28,196 +29,86 @@ #include "hw/i2c/aspeed_i2c.h" #include "hw/irq.h" #include "hw/qdev-properties.h" +#include "hw/registerfields.h" #include "trace.h" -/* I2C Global Register */ - -#define I2C_CTRL_STATUS 0x00 /* Device Interrupt Status */ -#define I2C_CTRL_ASSIGN 0x08 /* Device Interrupt Target - Assignment */ -#define I2C_CTRL_GLOBAL 0x0C /* Global Control Register */ -#define I2C_CTRL_SRAM_EN BIT(0) - -/* I2C Device (Bus) Register */ - -#define I2CD_FUN_CTRL_REG 0x00 /* I2CD Function Control */ -#define I2CD_POOL_PAGE_SEL(x) (((x) >> 20) & 0x7) /* AST2400 */ -#define I2CD_M_SDA_LOCK_EN (0x1 << 16) -#define I2CD_MULTI_MASTER_DIS (0x1 << 15) -#define I2CD_M_SCL_DRIVE_EN (0x1 << 14) -#define I2CD_MSB_STS (0x1 << 9) -#define I2CD_SDA_DRIVE_1T_EN (0x1 << 8) -#define I2CD_M_SDA_DRIVE_1T_EN (0x1 << 7) -#define I2CD_M_HIGH_SPEED_EN (0x1 << 6) -#define I2CD_DEF_ADDR_EN (0x1 << 5) -#define I2CD_DEF_ALERT_EN (0x1 << 4) -#define I2CD_DEF_ARP_EN (0x1 << 3) -#define I2CD_DEF_GCALL_EN (0x1 << 2) -#define I2CD_SLAVE_EN (0x1 << 1) -#define I2CD_MASTER_EN (0x1) - -#define I2CD_AC_TIMING_REG1 0x04 /* Clock and AC Timing Control #1 */ -#define I2CD_AC_TIMING_REG2 0x08 /* Clock and AC Timing Control #1 */ -#define I2CD_INTR_CTRL_REG 0x0c /* I2CD Interrupt Control */ -#define I2CD_INTR_STS_REG 0x10 /* I2CD Interrupt Status */ - -#define I2CD_INTR_SLAVE_ADDR_MATCH (0x1 << 31) /* 0: addr1 1: addr2 */ -#define I2CD_INTR_SLAVE_ADDR_RX_PENDING (0x1 << 30) -/* bits[19-16] Reserved */ - -/* All bits below are cleared by writing 1 */ -#define I2CD_INTR_SLAVE_INACTIVE_TIMEOUT (0x1 << 15) -#define I2CD_INTR_SDA_DL_TIMEOUT (0x1 << 14) -#define I2CD_INTR_BUS_RECOVER_DONE (0x1 << 13) -#define I2CD_INTR_SMBUS_ALERT (0x1 << 12) /* Bus [0-3] only */ -#define I2CD_INTR_SMBUS_ARP_ADDR (0x1 << 11) /* Removed */ -#define I2CD_INTR_SMBUS_DEV_ALERT_ADDR (0x1 << 10) /* Removed */ -#define I2CD_INTR_SMBUS_DEF_ADDR (0x1 << 9) /* Removed */ -#define I2CD_INTR_GCALL_ADDR (0x1 << 8) /* Removed */ -#define I2CD_INTR_SLAVE_ADDR_RX_MATCH (0x1 << 7) /* use RX_DONE */ -#define I2CD_INTR_SCL_TIMEOUT (0x1 << 6) -#define I2CD_INTR_ABNORMAL (0x1 << 5) -#define I2CD_INTR_NORMAL_STOP (0x1 << 4) -#define I2CD_INTR_ARBIT_LOSS (0x1 << 3) -#define I2CD_INTR_RX_DONE (0x1 << 2) -#define I2CD_INTR_TX_NAK (0x1 << 1) -#define I2CD_INTR_TX_ACK (0x1 << 0) - -#define I2CD_CMD_REG 0x14 /* I2CD Command/Status */ -#define I2CD_SDA_OE (0x1 << 28) -#define I2CD_SDA_O (0x1 << 27) -#define I2CD_SCL_OE (0x1 << 26) -#define I2CD_SCL_O (0x1 << 25) -#define I2CD_TX_TIMING (0x1 << 24) -#define I2CD_TX_STATUS (0x1 << 23) - -#define I2CD_TX_STATE_SHIFT 19 /* Tx State Machine */ -#define I2CD_TX_STATE_MASK 0xf -#define I2CD_IDLE 0x0 -#define I2CD_MACTIVE 0x8 -#define I2CD_MSTART 0x9 -#define I2CD_MSTARTR 0xa -#define I2CD_MSTOP 0xb -#define I2CD_MTXD 0xc -#define I2CD_MRXACK 0xd -#define I2CD_MRXD 0xe -#define I2CD_MTXACK 0xf -#define I2CD_SWAIT 0x1 -#define I2CD_SRXD 0x4 -#define I2CD_STXACK 0x5 -#define I2CD_STXD 0x6 -#define I2CD_SRXACK 0x7 -#define I2CD_RECOVER 0x3 - -#define I2CD_SCL_LINE_STS (0x1 << 18) -#define I2CD_SDA_LINE_STS (0x1 << 17) -#define I2CD_BUS_BUSY_STS (0x1 << 16) -#define I2CD_SDA_OE_OUT_DIR (0x1 << 15) -#define I2CD_SDA_O_OUT_DIR (0x1 << 14) -#define I2CD_SCL_OE_OUT_DIR (0x1 << 13) -#define I2CD_SCL_O_OUT_DIR (0x1 << 12) -#define I2CD_BUS_RECOVER_CMD_EN (0x1 << 11) -#define I2CD_S_ALT_EN (0x1 << 10) - -/* Command Bit */ -#define I2CD_RX_DMA_ENABLE (0x1 << 9) -#define I2CD_TX_DMA_ENABLE (0x1 << 8) -#define I2CD_RX_BUFF_ENABLE (0x1 << 7) -#define I2CD_TX_BUFF_ENABLE (0x1 << 6) -#define I2CD_M_STOP_CMD (0x1 << 5) -#define I2CD_M_S_RX_CMD_LAST (0x1 << 4) -#define I2CD_M_RX_CMD (0x1 << 3) -#define I2CD_S_TX_CMD (0x1 << 2) -#define I2CD_M_TX_CMD (0x1 << 1) -#define I2CD_M_START_CMD (0x1) - -#define I2CD_DEV_ADDR_REG 0x18 /* Slave Device Address */ -#define I2CD_POOL_CTRL_REG 0x1c /* Pool Buffer Control */ -#define I2CD_POOL_RX_COUNT(x) (((x) >> 24) & 0xff) -#define I2CD_POOL_RX_SIZE(x) ((((x) >> 16) & 0xff) + 1) -#define I2CD_POOL_TX_COUNT(x) ((((x) >> 8) & 0xff) + 1) -#define I2CD_POOL_OFFSET(x) (((x) & 0x3f) << 2) /* AST2400 */ -#define I2CD_BYTE_BUF_REG 0x20 /* Transmit/Receive Byte Buffer */ -#define I2CD_BYTE_BUF_TX_SHIFT 0 -#define I2CD_BYTE_BUF_TX_MASK 0xff -#define I2CD_BYTE_BUF_RX_SHIFT 8 -#define I2CD_BYTE_BUF_RX_MASK 0xff -#define I2CD_DMA_ADDR 0x24 /* DMA Buffer Address */ -#define I2CD_DMA_LEN 0x28 /* DMA Transfer Length < 4KB */ - -static inline bool aspeed_i2c_bus_is_master(AspeedI2CBus *bus) -{ - return bus->ctrl & I2CD_MASTER_EN; -} - -static inline bool aspeed_i2c_bus_is_enabled(AspeedI2CBus *bus) -{ - return bus->ctrl & (I2CD_MASTER_EN | I2CD_SLAVE_EN); -} +/* Enable SLAVE_ADDR_RX_MATCH always */ +#define R_I2CD_INTR_STS_ALWAYS_ENABLE R_I2CD_INTR_STS_SLAVE_ADDR_RX_MATCH_MASK static inline void aspeed_i2c_bus_raise_interrupt(AspeedI2CBus *bus) { AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); + uint32_t reg_intr_sts = aspeed_i2c_bus_intr_sts_offset(bus); + uint32_t intr_ctrl_reg = aspeed_i2c_bus_intr_ctrl_offset(bus); + uint32_t intr_ctrl_mask = bus->regs[intr_ctrl_reg] | + R_I2CD_INTR_STS_ALWAYS_ENABLE; + bool raise_irq; + + if (trace_event_get_state_backends(TRACE_ASPEED_I2C_BUS_RAISE_INTERRUPT)) { + g_autofree char *buf = g_strdup_printf("%s%s%s%s%s%s%s", + aspeed_i2c_bus_pkt_mode_en(bus) && + ARRAY_FIELD_EX32(bus->regs, I2CM_INTR_STS, PKT_CMD_DONE) ? + "pktdone|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, TX_NAK) ? + "nak|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, TX_ACK) ? + "ack|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, RX_DONE) ? + "done|" : "", + ARRAY_FIELD_EX32(bus->regs, I2CD_INTR_STS, SLAVE_ADDR_RX_MATCH) ? + "slave-match|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, NORMAL_STOP) ? + "normal|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, ABNORMAL) ? + "abnormal" : ""); + + trace_aspeed_i2c_bus_raise_interrupt(bus->regs[reg_intr_sts], buf); + } - trace_aspeed_i2c_bus_raise_interrupt(bus->intr_status, - bus->intr_status & I2CD_INTR_TX_NAK ? "nak|" : "", - bus->intr_status & I2CD_INTR_TX_ACK ? "ack|" : "", - bus->intr_status & I2CD_INTR_RX_DONE ? "done|" : "", - bus->intr_status & I2CD_INTR_NORMAL_STOP ? "normal|" : "", - bus->intr_status & I2CD_INTR_ABNORMAL ? "abnormal" : ""); + raise_irq = bus->regs[reg_intr_sts] & intr_ctrl_mask ; - bus->intr_status &= bus->intr_ctrl; - if (bus->intr_status) { + /* In packet mode we don't mask off INTR_STS */ + if (!aspeed_i2c_bus_pkt_mode_en(bus)) { + bus->regs[reg_intr_sts] &= intr_ctrl_mask; + } + + if (raise_irq) { bus->controller->intr_status |= 1 << bus->id; qemu_irq_raise(aic->bus_get_irq(bus)); } } -static uint64_t aspeed_i2c_bus_read(void *opaque, hwaddr offset, - unsigned size) +static uint64_t aspeed_i2c_bus_old_read(AspeedI2CBus *bus, hwaddr offset, + unsigned size) { - AspeedI2CBus *bus = opaque; AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); - uint64_t value = -1; + uint64_t value = bus->regs[offset / sizeof(*bus->regs)]; switch (offset) { - case I2CD_FUN_CTRL_REG: - value = bus->ctrl; + case A_I2CD_FUN_CTRL: + case A_I2CD_AC_TIMING1: + case A_I2CD_AC_TIMING2: + case A_I2CD_INTR_CTRL: + case A_I2CD_INTR_STS: + case A_I2CD_DEV_ADDR: + case A_I2CD_POOL_CTRL: + case A_I2CD_BYTE_BUF: + /* Value is already set, don't do anything. */ break; - case I2CD_AC_TIMING_REG1: - value = bus->timing[0]; + case A_I2CD_CMD: + value = SHARED_FIELD_DP32(value, BUS_BUSY_STS, i2c_bus_busy(bus->bus)); break; - case I2CD_AC_TIMING_REG2: - value = bus->timing[1]; - break; - case I2CD_INTR_CTRL_REG: - value = bus->intr_ctrl; - break; - case I2CD_INTR_STS_REG: - value = bus->intr_status; - break; - case I2CD_POOL_CTRL_REG: - value = bus->pool_ctrl; - break; - case I2CD_BYTE_BUF_REG: - value = bus->buf; - break; - case I2CD_CMD_REG: - value = bus->cmd | (i2c_bus_busy(bus->bus) << 16); - break; - case I2CD_DMA_ADDR: + case A_I2CD_DMA_ADDR: if (!aic->has_dma) { qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA support\n", __func__); - break; + value = -1; } - value = bus->dma_addr; break; - case I2CD_DMA_LEN: + case A_I2CD_DMA_LEN: if (!aic->has_dma) { qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA support\n", __func__); - break; + value = -1; } - value = bus->dma_len; break; default: @@ -231,32 +122,86 @@ static uint64_t aspeed_i2c_bus_read(void *opaque, hwaddr offset, return value; } +static uint64_t aspeed_i2c_bus_new_read(AspeedI2CBus *bus, hwaddr offset, + unsigned size) +{ + uint64_t value = bus->regs[offset / sizeof(*bus->regs)]; + + switch (offset) { + case A_I2CC_FUN_CTRL: + case A_I2CC_AC_TIMING: + case A_I2CC_POOL_CTRL: + case A_I2CM_INTR_CTRL: + case A_I2CM_INTR_STS: + case A_I2CC_MS_TXRX_BYTE_BUF: + case A_I2CM_DMA_LEN: + case A_I2CM_DMA_TX_ADDR: + case A_I2CM_DMA_RX_ADDR: + case A_I2CM_DMA_LEN_STS: + case A_I2CC_DMA_ADDR: + case A_I2CC_DMA_LEN: + /* Value is already set, don't do anything. */ + break; + case A_I2CM_CMD: + value = SHARED_FIELD_DP32(value, BUS_BUSY_STS, i2c_bus_busy(bus->bus)); + break; + default: + qemu_log_mask(LOG_GUEST_ERROR, + "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__, offset); + value = -1; + break; + } + + trace_aspeed_i2c_bus_read(bus->id, offset, size, value); + return value; +} + +static uint64_t aspeed_i2c_bus_read(void *opaque, hwaddr offset, + unsigned size) +{ + AspeedI2CBus *bus = opaque; + if (aspeed_i2c_is_new_mode(bus->controller)) { + return aspeed_i2c_bus_new_read(bus, offset, size); + } + return aspeed_i2c_bus_old_read(bus, offset, size); +} + static void aspeed_i2c_set_state(AspeedI2CBus *bus, uint8_t state) { - bus->cmd &= ~(I2CD_TX_STATE_MASK << I2CD_TX_STATE_SHIFT); - bus->cmd |= (state & I2CD_TX_STATE_MASK) << I2CD_TX_STATE_SHIFT; + if (aspeed_i2c_is_new_mode(bus->controller)) { + SHARED_ARRAY_FIELD_DP32(bus->regs, R_I2CC_MS_TXRX_BYTE_BUF, TX_STATE, + state); + } else { + SHARED_ARRAY_FIELD_DP32(bus->regs, R_I2CD_CMD, TX_STATE, state); + } } static uint8_t aspeed_i2c_get_state(AspeedI2CBus *bus) { - return (bus->cmd >> I2CD_TX_STATE_SHIFT) & I2CD_TX_STATE_MASK; + if (aspeed_i2c_is_new_mode(bus->controller)) { + return SHARED_ARRAY_FIELD_EX32(bus->regs, R_I2CC_MS_TXRX_BYTE_BUF, + TX_STATE); + } + return SHARED_ARRAY_FIELD_EX32(bus->regs, R_I2CD_CMD, TX_STATE); } static int aspeed_i2c_dma_read(AspeedI2CBus *bus, uint8_t *data) { MemTxResult result; AspeedI2CState *s = bus->controller; + uint32_t reg_dma_addr = aspeed_i2c_bus_dma_addr_offset(bus); + uint32_t reg_dma_len = aspeed_i2c_bus_dma_len_offset(bus); - result = address_space_read(&s->dram_as, bus->dma_addr, + result = address_space_read(&s->dram_as, bus->regs[reg_dma_addr], MEMTXATTRS_UNSPECIFIED, data, 1); if (result != MEMTX_OK) { qemu_log_mask(LOG_GUEST_ERROR, "%s: DRAM read failed @%08x\n", - __func__, bus->dma_addr); + __func__, bus->regs[reg_dma_addr]); return -1; } - bus->dma_addr++; - bus->dma_len--; + bus->regs[reg_dma_addr]++; + bus->regs[reg_dma_len]--; return 0; } @@ -265,34 +210,51 @@ static int aspeed_i2c_bus_send(AspeedI2CBus *bus, uint8_t pool_start) AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); int ret = -1; int i; - - if (bus->cmd & I2CD_TX_BUFF_ENABLE) { - for (i = pool_start; i < I2CD_POOL_TX_COUNT(bus->pool_ctrl); i++) { + uint32_t reg_cmd = aspeed_i2c_bus_cmd_offset(bus); + uint32_t reg_pool_ctrl = aspeed_i2c_bus_pool_ctrl_offset(bus); + uint32_t reg_byte_buf = aspeed_i2c_bus_byte_buf_offset(bus); + uint32_t reg_dma_len = aspeed_i2c_bus_dma_len_offset(bus); + int pool_tx_count = SHARED_ARRAY_FIELD_EX32(bus->regs, reg_pool_ctrl, + TX_COUNT); + + if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, TX_BUFF_EN)) { + for (i = pool_start; i < pool_tx_count; i++) { uint8_t *pool_base = aic->bus_pool_base(bus); - trace_aspeed_i2c_bus_send("BUF", i + 1, - I2CD_POOL_TX_COUNT(bus->pool_ctrl), + trace_aspeed_i2c_bus_send("BUF", i + 1, pool_tx_count, pool_base[i]); ret = i2c_send(bus->bus, pool_base[i]); if (ret) { break; } } - bus->cmd &= ~I2CD_TX_BUFF_ENABLE; - } else if (bus->cmd & I2CD_TX_DMA_ENABLE) { - while (bus->dma_len) { + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, TX_BUFF_EN, 0); + } else if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, TX_DMA_EN)) { + /* In new mode, clear how many bytes we TXed */ + if (aspeed_i2c_is_new_mode(bus->controller)) { + ARRAY_FIELD_DP32(bus->regs, I2CM_DMA_LEN_STS, TX_LEN, 0); + } + while (bus->regs[reg_dma_len]) { uint8_t data; aspeed_i2c_dma_read(bus, &data); - trace_aspeed_i2c_bus_send("DMA", bus->dma_len, bus->dma_len, data); + trace_aspeed_i2c_bus_send("DMA", bus->regs[reg_dma_len], + bus->regs[reg_dma_len], data); ret = i2c_send(bus->bus, data); if (ret) { break; } + /* In new mode, keep track of how many bytes we TXed */ + if (aspeed_i2c_is_new_mode(bus->controller)) { + ARRAY_FIELD_DP32(bus->regs, I2CM_DMA_LEN_STS, TX_LEN, + ARRAY_FIELD_EX32(bus->regs, I2CM_DMA_LEN_STS, + TX_LEN) + 1); + } } - bus->cmd &= ~I2CD_TX_DMA_ENABLE; + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, TX_DMA_EN, 0); } else { - trace_aspeed_i2c_bus_send("BYTE", pool_start, 1, bus->buf); - ret = i2c_send(bus->bus, bus->buf); + trace_aspeed_i2c_bus_send("BYTE", pool_start, 1, + bus->regs[reg_byte_buf]); + ret = i2c_send(bus->bus, bus->regs[reg_byte_buf]); } return ret; @@ -304,74 +266,100 @@ static void aspeed_i2c_bus_recv(AspeedI2CBus *bus) AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(s); uint8_t data; int i; - - if (bus->cmd & I2CD_RX_BUFF_ENABLE) { + uint32_t reg_cmd = aspeed_i2c_bus_cmd_offset(bus); + uint32_t reg_pool_ctrl = aspeed_i2c_bus_pool_ctrl_offset(bus); + uint32_t reg_byte_buf = aspeed_i2c_bus_byte_buf_offset(bus); + uint32_t reg_dma_len = aspeed_i2c_bus_dma_len_offset(bus); + uint32_t reg_dma_addr = aspeed_i2c_bus_dma_addr_offset(bus); + int pool_rx_count = SHARED_ARRAY_FIELD_EX32(bus->regs, reg_pool_ctrl, + RX_COUNT); + + if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, RX_BUFF_EN)) { uint8_t *pool_base = aic->bus_pool_base(bus); - for (i = 0; i < I2CD_POOL_RX_SIZE(bus->pool_ctrl); i++) { + for (i = 0; i < pool_rx_count; i++) { pool_base[i] = i2c_recv(bus->bus); - trace_aspeed_i2c_bus_recv("BUF", i + 1, - I2CD_POOL_RX_SIZE(bus->pool_ctrl), + trace_aspeed_i2c_bus_recv("BUF", i + 1, pool_rx_count, pool_base[i]); } /* Update RX count */ - bus->pool_ctrl &= ~(0xff << 24); - bus->pool_ctrl |= (i & 0xff) << 24; - bus->cmd &= ~I2CD_RX_BUFF_ENABLE; - } else if (bus->cmd & I2CD_RX_DMA_ENABLE) { + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_pool_ctrl, RX_COUNT, i & 0xff); + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, RX_BUFF_EN, 0); + } else if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, RX_DMA_EN)) { uint8_t data; + /* In new mode, clear how many bytes we RXed */ + if (aspeed_i2c_is_new_mode(bus->controller)) { + ARRAY_FIELD_DP32(bus->regs, I2CM_DMA_LEN_STS, RX_LEN, 0); + } - while (bus->dma_len) { + while (bus->regs[reg_dma_len]) { MemTxResult result; data = i2c_recv(bus->bus); - trace_aspeed_i2c_bus_recv("DMA", bus->dma_len, bus->dma_len, data); - result = address_space_write(&s->dram_as, bus->dma_addr, + trace_aspeed_i2c_bus_recv("DMA", bus->regs[reg_dma_len], + bus->regs[reg_dma_len], data); + result = address_space_write(&s->dram_as, bus->regs[reg_dma_addr], MEMTXATTRS_UNSPECIFIED, &data, 1); if (result != MEMTX_OK) { qemu_log_mask(LOG_GUEST_ERROR, "%s: DRAM write failed @%08x\n", - __func__, bus->dma_addr); + __func__, bus->regs[reg_dma_addr]); return; } - bus->dma_addr++; - bus->dma_len--; + bus->regs[reg_dma_addr]++; + bus->regs[reg_dma_len]--; + /* In new mode, keep track of how many bytes we RXed */ + if (aspeed_i2c_is_new_mode(bus->controller)) { + ARRAY_FIELD_DP32(bus->regs, I2CM_DMA_LEN_STS, RX_LEN, + ARRAY_FIELD_EX32(bus->regs, I2CM_DMA_LEN_STS, + RX_LEN) + 1); + } } - bus->cmd &= ~I2CD_RX_DMA_ENABLE; + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, RX_DMA_EN, 0); } else { data = i2c_recv(bus->bus); - trace_aspeed_i2c_bus_recv("BYTE", 1, 1, bus->buf); - bus->buf = (data & I2CD_BYTE_BUF_RX_MASK) << I2CD_BYTE_BUF_RX_SHIFT; + trace_aspeed_i2c_bus_recv("BYTE", 1, 1, bus->regs[reg_byte_buf]); + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_byte_buf, RX_BUF, data); } } static void aspeed_i2c_handle_rx_cmd(AspeedI2CBus *bus) { + uint32_t reg_cmd = aspeed_i2c_bus_cmd_offset(bus); + uint32_t reg_intr_sts = aspeed_i2c_bus_intr_sts_offset(bus); + aspeed_i2c_set_state(bus, I2CD_MRXD); aspeed_i2c_bus_recv(bus); - bus->intr_status |= I2CD_INTR_RX_DONE; - if (bus->cmd & I2CD_M_S_RX_CMD_LAST) { + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_intr_sts, RX_DONE, 1); + if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_S_RX_CMD_LAST)) { i2c_nack(bus->bus); } - bus->cmd &= ~(I2CD_M_RX_CMD | I2CD_M_S_RX_CMD_LAST); + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, M_RX_CMD, 0); + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, M_S_RX_CMD_LAST, 0); aspeed_i2c_set_state(bus, I2CD_MACTIVE); } static uint8_t aspeed_i2c_get_addr(AspeedI2CBus *bus) { AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); + uint32_t reg_byte_buf = aspeed_i2c_bus_byte_buf_offset(bus); + uint32_t reg_cmd = aspeed_i2c_bus_cmd_offset(bus); - if (bus->cmd & I2CD_TX_BUFF_ENABLE) { + if (aspeed_i2c_bus_pkt_mode_en(bus)) { + return (ARRAY_FIELD_EX32(bus->regs, I2CM_CMD, PKT_DEV_ADDR) << 1) | + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_RX_CMD); + } + if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, TX_BUFF_EN)) { uint8_t *pool_base = aic->bus_pool_base(bus); return pool_base[0]; - } else if (bus->cmd & I2CD_TX_DMA_ENABLE) { + } else if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, TX_DMA_EN)) { uint8_t data; aspeed_i2c_dma_read(bus, &data); return data; } else { - return bus->buf; + return bus->regs[reg_byte_buf]; } } @@ -379,7 +367,11 @@ static bool aspeed_i2c_check_sram(AspeedI2CBus *bus) { AspeedI2CState *s = bus->controller; AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(s); - + uint32_t reg_cmd = aspeed_i2c_bus_cmd_offset(bus); + bool dma_en = SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, RX_DMA_EN) || + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, TX_DMA_EN) || + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, RX_BUFF_EN) || + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, TX_BUFF_EN); if (!aic->check_sram) { return true; } @@ -388,9 +380,7 @@ static bool aspeed_i2c_check_sram(AspeedI2CBus *bus) * AST2500: SRAM must be enabled before using the Buffer Pool or * DMA mode. */ - if (!(s->ctrl_global & I2C_CTRL_SRAM_EN) && - (bus->cmd & (I2CD_RX_DMA_ENABLE | I2CD_TX_DMA_ENABLE | - I2CD_RX_BUFF_ENABLE | I2CD_TX_BUFF_ENABLE))) { + if (!FIELD_EX32(s->ctrl_global, I2C_CTRL_GLOBAL, SRAM_EN) && dma_en) { qemu_log_mask(LOG_GUEST_ERROR, "%s: SRAM is not enabled\n", __func__); return false; } @@ -402,27 +392,31 @@ static void aspeed_i2c_bus_cmd_dump(AspeedI2CBus *bus) { g_autofree char *cmd_flags = NULL; uint32_t count; - - if (bus->cmd & (I2CD_RX_BUFF_ENABLE | I2CD_RX_BUFF_ENABLE)) { - count = I2CD_POOL_TX_COUNT(bus->pool_ctrl); - } else if (bus->cmd & (I2CD_RX_DMA_ENABLE | I2CD_RX_DMA_ENABLE)) { - count = bus->dma_len; + uint32_t reg_cmd = aspeed_i2c_bus_cmd_offset(bus); + uint32_t reg_pool_ctrl = aspeed_i2c_bus_pool_ctrl_offset(bus); + uint32_t reg_intr_sts = aspeed_i2c_bus_intr_sts_offset(bus); + uint32_t reg_dma_len = aspeed_i2c_bus_dma_len_offset(bus); + if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, RX_BUFF_EN)) { + count = SHARED_ARRAY_FIELD_EX32(bus->regs, reg_pool_ctrl, TX_COUNT); + } else if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, RX_DMA_EN)) { + count = bus->regs[reg_dma_len]; } else { /* BYTE mode */ count = 1; } cmd_flags = g_strdup_printf("%s%s%s%s%s%s%s%s%s", - bus->cmd & I2CD_M_START_CMD ? "start|" : "", - bus->cmd & I2CD_RX_DMA_ENABLE ? "rxdma|" : "", - bus->cmd & I2CD_TX_DMA_ENABLE ? "txdma|" : "", - bus->cmd & I2CD_RX_BUFF_ENABLE ? "rxbuf|" : "", - bus->cmd & I2CD_TX_BUFF_ENABLE ? "txbuf|" : "", - bus->cmd & I2CD_M_TX_CMD ? "tx|" : "", - bus->cmd & I2CD_M_RX_CMD ? "rx|" : "", - bus->cmd & I2CD_M_S_RX_CMD_LAST ? "last|" : "", - bus->cmd & I2CD_M_STOP_CMD ? "stop" : ""); - - trace_aspeed_i2c_bus_cmd(bus->cmd, cmd_flags, count, bus->intr_status); + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_START_CMD) ? "start|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, RX_DMA_EN) ? "rxdma|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, TX_DMA_EN) ? "txdma|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, RX_BUFF_EN) ? "rxbuf|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, TX_BUFF_EN) ? "txbuf|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_TX_CMD) ? "tx|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_RX_CMD) ? "rx|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_S_RX_CMD_LAST) ? "last|" : "", + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_STOP_CMD) ? "stop|" : ""); + + trace_aspeed_i2c_bus_cmd(bus->regs[reg_cmd], cmd_flags, count, + bus->regs[reg_intr_sts]); } /* @@ -432,9 +426,10 @@ static void aspeed_i2c_bus_cmd_dump(AspeedI2CBus *bus) static void aspeed_i2c_bus_handle_cmd(AspeedI2CBus *bus, uint64_t value) { uint8_t pool_start = 0; - - bus->cmd &= ~0xFFFF; - bus->cmd |= value & 0xFFFF; + uint32_t reg_intr_sts = aspeed_i2c_bus_intr_sts_offset(bus); + uint32_t reg_cmd = aspeed_i2c_bus_cmd_offset(bus); + uint32_t reg_pool_ctrl = aspeed_i2c_bus_pool_ctrl_offset(bus); + uint32_t reg_dma_len = aspeed_i2c_bus_dma_len_offset(bus); if (!aspeed_i2c_check_sram(bus)) { return; @@ -444,7 +439,7 @@ static void aspeed_i2c_bus_handle_cmd(AspeedI2CBus *bus, uint64_t value) aspeed_i2c_bus_cmd_dump(bus); } - if (bus->cmd & I2CD_M_START_CMD) { + if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_START_CMD)) { uint8_t state = aspeed_i2c_get_state(bus) & I2CD_MACTIVE ? I2CD_MSTARTR : I2CD_MSTART; uint8_t addr; @@ -452,24 +447,30 @@ static void aspeed_i2c_bus_handle_cmd(AspeedI2CBus *bus, uint64_t value) aspeed_i2c_set_state(bus, state); addr = aspeed_i2c_get_addr(bus); - if (i2c_start_transfer(bus->bus, extract32(addr, 1, 7), extract32(addr, 0, 1))) { - bus->intr_status |= I2CD_INTR_TX_NAK; + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_intr_sts, TX_NAK, 1); + if (aspeed_i2c_bus_pkt_mode_en(bus)) { + ARRAY_FIELD_DP32(bus->regs, I2CM_INTR_STS, PKT_CMD_FAIL, 1); + } } else { - bus->intr_status |= I2CD_INTR_TX_ACK; + /* START doesn't set TX_ACK in packet mode */ + if (!aspeed_i2c_bus_pkt_mode_en(bus)) { + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_intr_sts, TX_ACK, 1); + } } - bus->cmd &= ~I2CD_M_START_CMD; + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, M_START_CMD, 0); /* * The START command is also a TX command, as the slave * address is sent on the bus. Drop the TX flag if nothing * else needs to be sent in this sequence. */ - if (bus->cmd & I2CD_TX_BUFF_ENABLE) { - if (I2CD_POOL_TX_COUNT(bus->pool_ctrl) == 1) { - bus->cmd &= ~I2CD_M_TX_CMD; + if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, TX_BUFF_EN)) { + if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_pool_ctrl, TX_COUNT) + == 1) { + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, M_TX_CMD, 0); } else { /* * Increase the start index in the TX pool buffer to @@ -477,105 +478,267 @@ static void aspeed_i2c_bus_handle_cmd(AspeedI2CBus *bus, uint64_t value) */ pool_start++; } - } else if (bus->cmd & I2CD_TX_DMA_ENABLE) { - if (bus->dma_len == 0) { - bus->cmd &= ~I2CD_M_TX_CMD; + } else if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, TX_DMA_EN)) { + if (bus->regs[reg_dma_len] == 0) { + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, M_TX_CMD, 0); } } else { - bus->cmd &= ~I2CD_M_TX_CMD; + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, M_TX_CMD, 0); } /* No slave found */ if (!i2c_bus_busy(bus->bus)) { + if (aspeed_i2c_bus_pkt_mode_en(bus)) { + ARRAY_FIELD_DP32(bus->regs, I2CM_INTR_STS, PKT_CMD_FAIL, 1); + ARRAY_FIELD_DP32(bus->regs, I2CM_INTR_STS, PKT_CMD_DONE, 1); + } return; } aspeed_i2c_set_state(bus, I2CD_MACTIVE); } - if (bus->cmd & I2CD_M_TX_CMD) { + if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_TX_CMD)) { aspeed_i2c_set_state(bus, I2CD_MTXD); if (aspeed_i2c_bus_send(bus, pool_start)) { - bus->intr_status |= (I2CD_INTR_TX_NAK); + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_intr_sts, TX_NAK, 1); i2c_end_transfer(bus->bus); } else { - bus->intr_status |= I2CD_INTR_TX_ACK; + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_intr_sts, TX_ACK, 1); } - bus->cmd &= ~I2CD_M_TX_CMD; + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, M_TX_CMD, 0); aspeed_i2c_set_state(bus, I2CD_MACTIVE); } - if ((bus->cmd & (I2CD_M_RX_CMD | I2CD_M_S_RX_CMD_LAST)) && - !(bus->intr_status & I2CD_INTR_RX_DONE)) { + if ((SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_RX_CMD) || + SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_S_RX_CMD_LAST)) && + !SHARED_ARRAY_FIELD_EX32(bus->regs, reg_intr_sts, RX_DONE)) { aspeed_i2c_handle_rx_cmd(bus); } - if (bus->cmd & I2CD_M_STOP_CMD) { + if (SHARED_ARRAY_FIELD_EX32(bus->regs, reg_cmd, M_STOP_CMD)) { if (!(aspeed_i2c_get_state(bus) & I2CD_MACTIVE)) { qemu_log_mask(LOG_GUEST_ERROR, "%s: abnormal stop\n", __func__); - bus->intr_status |= I2CD_INTR_ABNORMAL; + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_intr_sts, ABNORMAL, 1); + if (aspeed_i2c_bus_pkt_mode_en(bus)) { + ARRAY_FIELD_DP32(bus->regs, I2CM_INTR_STS, PKT_CMD_FAIL, 1); + } } else { aspeed_i2c_set_state(bus, I2CD_MSTOP); i2c_end_transfer(bus->bus); - bus->intr_status |= I2CD_INTR_NORMAL_STOP; + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_intr_sts, NORMAL_STOP, 1); } - bus->cmd &= ~I2CD_M_STOP_CMD; + SHARED_ARRAY_FIELD_DP32(bus->regs, reg_cmd, M_STOP_CMD, 0); aspeed_i2c_set_state(bus, I2CD_IDLE); } + + if (aspeed_i2c_bus_pkt_mode_en(bus)) { + ARRAY_FIELD_DP32(bus->regs, I2CM_INTR_STS, PKT_CMD_DONE, 1); + } } -static void aspeed_i2c_bus_write(void *opaque, hwaddr offset, - uint64_t value, unsigned size) +static void aspeed_i2c_bus_new_write(AspeedI2CBus *bus, hwaddr offset, + uint64_t value, unsigned size) { - AspeedI2CBus *bus = opaque; AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); bool handle_rx; + bool w1t; trace_aspeed_i2c_bus_write(bus->id, offset, size, value); switch (offset) { - case I2CD_FUN_CTRL_REG: - if (value & I2CD_SLAVE_EN) { + case A_I2CC_FUN_CTRL: + if (SHARED_FIELD_EX32(value, SLAVE_EN)) { qemu_log_mask(LOG_UNIMP, "%s: slave mode not implemented\n", __func__); break; } - bus->ctrl = value & 0x0071C3FF; + bus->regs[R_I2CD_FUN_CTRL] = value & 0x007dc3ff; + break; + case A_I2CC_AC_TIMING: + bus->regs[R_I2CC_AC_TIMING] = value & 0x1ffff0ff; break; - case I2CD_AC_TIMING_REG1: - bus->timing[0] = value & 0xFFFFF0F; + case A_I2CC_MS_TXRX_BYTE_BUF: + SHARED_ARRAY_FIELD_DP32(bus->regs, R_I2CC_MS_TXRX_BYTE_BUF, TX_BUF, + value); break; - case I2CD_AC_TIMING_REG2: - bus->timing[1] = value & 0x7; + case A_I2CC_POOL_CTRL: + bus->regs[R_I2CC_POOL_CTRL] &= ~0xffffff; + bus->regs[R_I2CC_POOL_CTRL] |= (value & 0xffffff); break; - case I2CD_INTR_CTRL_REG: - bus->intr_ctrl = value & 0x7FFF; + case A_I2CM_INTR_CTRL: + bus->regs[R_I2CM_INTR_CTRL] = value & 0x0007f07f; break; - case I2CD_INTR_STS_REG: - handle_rx = (bus->intr_status & I2CD_INTR_RX_DONE) && - (value & I2CD_INTR_RX_DONE); - bus->intr_status &= ~(value & 0x7FFF); - if (!bus->intr_status) { + case A_I2CM_INTR_STS: + handle_rx = SHARED_ARRAY_FIELD_EX32(bus->regs, R_I2CM_INTR_STS, RX_DONE) + && SHARED_FIELD_EX32(value, RX_DONE); + + /* In packet mode, clearing PKT_CMD_DONE clears other interrupts. */ + if (aspeed_i2c_bus_pkt_mode_en(bus) && + FIELD_EX32(value, I2CM_INTR_STS, PKT_CMD_DONE)) { + bus->regs[R_I2CM_INTR_STS] &= 0xf0001000; + if (!bus->regs[R_I2CM_INTR_STS]) { + bus->controller->intr_status &= ~(1 << bus->id); + qemu_irq_lower(aic->bus_get_irq(bus)); + } + break; + } + bus->regs[R_I2CM_INTR_STS] &= ~(value & 0xf007f07f); + if (!bus->regs[R_I2CM_INTR_STS]) { bus->controller->intr_status &= ~(1 << bus->id); qemu_irq_lower(aic->bus_get_irq(bus)); } - if (handle_rx && (bus->cmd & (I2CD_M_RX_CMD | I2CD_M_S_RX_CMD_LAST))) { + if (handle_rx && (SHARED_ARRAY_FIELD_EX32(bus->regs, R_I2CM_CMD, + M_RX_CMD) || + SHARED_ARRAY_FIELD_EX32(bus->regs, R_I2CM_CMD, + M_S_RX_CMD_LAST))) { aspeed_i2c_handle_rx_cmd(bus); aspeed_i2c_bus_raise_interrupt(bus); } break; - case I2CD_DEV_ADDR_REG: - qemu_log_mask(LOG_UNIMP, "%s: slave mode not implemented\n", + case A_I2CM_CMD: + if (!aspeed_i2c_bus_is_enabled(bus)) { + break; + } + + if (!aspeed_i2c_bus_is_master(bus)) { + qemu_log_mask(LOG_UNIMP, "%s: slave mode not implemented\n", + __func__); + break; + } + + if (!aic->has_dma && + (SHARED_FIELD_EX32(value, RX_DMA_EN) || + SHARED_FIELD_EX32(value, TX_DMA_EN))) { + qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA support\n", __func__); + break; + } + + if (bus->regs[R_I2CM_INTR_STS] & 0xffff0000) { + qemu_log_mask(LOG_UNIMP, "%s: Packet mode is not implemented\n", + __func__); + break; + } + + value &= 0xff0ffbfb; + if (ARRAY_FIELD_EX32(bus->regs, I2CM_CMD, W1_CTRL)) { + bus->regs[R_I2CM_CMD] |= value; + } else { + bus->regs[R_I2CM_CMD] = value; + } + + aspeed_i2c_bus_handle_cmd(bus, value); + aspeed_i2c_bus_raise_interrupt(bus); + break; + case A_I2CM_DMA_TX_ADDR: + bus->regs[R_I2CM_DMA_TX_ADDR] = FIELD_EX32(value, I2CM_DMA_TX_ADDR, + ADDR); + bus->regs[R_I2CC_DMA_ADDR] = FIELD_EX32(value, I2CM_DMA_TX_ADDR, ADDR); + bus->regs[R_I2CC_DMA_LEN] = ARRAY_FIELD_EX32(bus->regs, I2CM_DMA_LEN, + TX_BUF_LEN) + 1; + break; + case A_I2CM_DMA_RX_ADDR: + bus->regs[R_I2CM_DMA_RX_ADDR] = FIELD_EX32(value, I2CM_DMA_RX_ADDR, + ADDR); + bus->regs[R_I2CC_DMA_ADDR] = FIELD_EX32(value, I2CM_DMA_RX_ADDR, ADDR); + bus->regs[R_I2CC_DMA_LEN] = ARRAY_FIELD_EX32(bus->regs, I2CM_DMA_LEN, + RX_BUF_LEN) + 1; + break; + case A_I2CM_DMA_LEN: + w1t = ARRAY_FIELD_EX32(bus->regs, I2CM_DMA_LEN, RX_BUF_LEN_W1T) || + ARRAY_FIELD_EX32(bus->regs, I2CM_DMA_LEN, TX_BUF_LEN_W1T); + /* If none of the w1t bits are set, just write to the reg as normal. */ + if (!w1t) { + bus->regs[R_I2CM_DMA_LEN] = value; + break; + } + if (ARRAY_FIELD_EX32(bus->regs, I2CM_DMA_LEN, RX_BUF_LEN_W1T)) { + ARRAY_FIELD_DP32(bus->regs, I2CM_DMA_LEN, RX_BUF_LEN, + FIELD_EX32(value, I2CM_DMA_LEN, RX_BUF_LEN)); + } + if (ARRAY_FIELD_EX32(bus->regs, I2CM_DMA_LEN, TX_BUF_LEN_W1T)) { + ARRAY_FIELD_DP32(bus->regs, I2CM_DMA_LEN, TX_BUF_LEN, + FIELD_EX32(value, I2CM_DMA_LEN, TX_BUF_LEN)); + } + break; + case A_I2CM_DMA_LEN_STS: + /* Writes clear to 0 */ + bus->regs[R_I2CM_DMA_LEN_STS] = 0; + break; + case A_I2CC_DMA_ADDR: + case A_I2CC_DMA_LEN: + /* RO */ + break; + case A_I2CS_DMA_LEN_STS: + case A_I2CS_DMA_TX_ADDR: + case A_I2CS_DMA_RX_ADDR: + case A_I2CS_DEV_ADDR: + case A_I2CS_INTR_CTRL: + case A_I2CS_INTR_STS: + case A_I2CS_CMD: + case A_I2CS_DMA_LEN: + qemu_log_mask(LOG_UNIMP, "%s: Slave mode is not implemented\n", __func__); break; - case I2CD_POOL_CTRL_REG: - bus->pool_ctrl &= ~0xffffff; - bus->pool_ctrl |= (value & 0xffffff); + default: + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + } +} + +static void aspeed_i2c_bus_old_write(AspeedI2CBus *bus, hwaddr offset, + uint64_t value, unsigned size) +{ + AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); + bool handle_rx; + + trace_aspeed_i2c_bus_write(bus->id, offset, size, value); + + switch (offset) { + case A_I2CD_FUN_CTRL: + if (SHARED_FIELD_EX32(value, SLAVE_EN)) { + qemu_log_mask(LOG_UNIMP, "%s: slave mode not implemented\n", + __func__); + break; + } + bus->regs[R_I2CD_FUN_CTRL] = value & 0x0071C3FF; + break; + case A_I2CD_AC_TIMING1: + bus->regs[R_I2CD_AC_TIMING1] = value & 0xFFFFF0F; + break; + case A_I2CD_AC_TIMING2: + bus->regs[R_I2CD_AC_TIMING2] = value & 0x7; + break; + case A_I2CD_INTR_CTRL: + bus->regs[R_I2CD_INTR_CTRL] = value & 0x7FFF; + break; + case A_I2CD_INTR_STS: + handle_rx = SHARED_ARRAY_FIELD_EX32(bus->regs, R_I2CD_INTR_STS, RX_DONE) + && SHARED_FIELD_EX32(value, RX_DONE); + bus->regs[R_I2CD_INTR_STS] &= ~(value & 0x7FFF); + if (!bus->regs[R_I2CD_INTR_STS]) { + bus->controller->intr_status &= ~(1 << bus->id); + qemu_irq_lower(aic->bus_get_irq(bus)); + } + if (handle_rx && (SHARED_ARRAY_FIELD_EX32(bus->regs, R_I2CD_CMD, + M_RX_CMD) || + SHARED_ARRAY_FIELD_EX32(bus->regs, R_I2CD_CMD, + M_S_RX_CMD_LAST))) { + aspeed_i2c_handle_rx_cmd(bus); + aspeed_i2c_bus_raise_interrupt(bus); + } + break; + case A_I2CD_DEV_ADDR: + bus->regs[R_I2CD_DEV_ADDR] = value; + break; + case A_I2CD_POOL_CTRL: + bus->regs[R_I2CD_POOL_CTRL] &= ~0xffffff; + bus->regs[R_I2CD_POOL_CTRL] |= (value & 0xffffff); break; - case I2CD_BYTE_BUF_REG: - bus->buf = (value & I2CD_BYTE_BUF_TX_MASK) << I2CD_BYTE_BUF_TX_SHIFT; + case A_I2CD_BYTE_BUF: + SHARED_ARRAY_FIELD_DP32(bus->regs, R_I2CD_BYTE_BUF, TX_BUF, value); break; - case I2CD_CMD_REG: + case A_I2CD_CMD: if (!aspeed_i2c_bus_is_enabled(bus)) { break; } @@ -587,31 +750,35 @@ static void aspeed_i2c_bus_write(void *opaque, hwaddr offset, } if (!aic->has_dma && - value & (I2CD_RX_DMA_ENABLE | I2CD_TX_DMA_ENABLE)) { + (SHARED_FIELD_EX32(value, RX_DMA_EN) || + SHARED_FIELD_EX32(value, TX_DMA_EN))) { qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA support\n", __func__); break; } + bus->regs[R_I2CD_CMD] &= ~0xFFFF; + bus->regs[R_I2CD_CMD] |= value & 0xFFFF; + aspeed_i2c_bus_handle_cmd(bus, value); aspeed_i2c_bus_raise_interrupt(bus); break; - case I2CD_DMA_ADDR: + case A_I2CD_DMA_ADDR: if (!aic->has_dma) { qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA support\n", __func__); break; } - bus->dma_addr = value & 0x3ffffffc; + bus->regs[R_I2CD_DMA_ADDR] = value & 0x3ffffffc; break; - case I2CD_DMA_LEN: + case A_I2CD_DMA_LEN: if (!aic->has_dma) { qemu_log_mask(LOG_GUEST_ERROR, "%s: No DMA support\n", __func__); break; } - bus->dma_len = value & 0xfff; - if (!bus->dma_len) { + bus->regs[R_I2CD_DMA_LEN] = value & 0xfff; + if (!bus->regs[R_I2CD_DMA_LEN]) { qemu_log_mask(LOG_UNIMP, "%s: invalid DMA length\n", __func__); } break; @@ -622,16 +789,34 @@ static void aspeed_i2c_bus_write(void *opaque, hwaddr offset, } } +static void aspeed_i2c_bus_write(void *opaque, hwaddr offset, + uint64_t value, unsigned size) +{ + AspeedI2CBus *bus = opaque; + if (aspeed_i2c_is_new_mode(bus->controller)) { + aspeed_i2c_bus_new_write(bus, offset, value, size); + } else { + aspeed_i2c_bus_old_write(bus, offset, value, size); + } +} + static uint64_t aspeed_i2c_ctrl_read(void *opaque, hwaddr offset, unsigned size) { AspeedI2CState *s = opaque; switch (offset) { - case I2C_CTRL_STATUS: + case A_I2C_CTRL_STATUS: return s->intr_status; - case I2C_CTRL_GLOBAL: + case A_I2C_CTRL_GLOBAL: return s->ctrl_global; + case A_I2C_CTRL_NEW_CLK_DIVIDER: + if (aspeed_i2c_is_new_mode(s)) { + return s->new_clk_divider; + } + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", + __func__, offset); + break; default: qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__, offset); @@ -647,10 +832,18 @@ static void aspeed_i2c_ctrl_write(void *opaque, hwaddr offset, AspeedI2CState *s = opaque; switch (offset) { - case I2C_CTRL_GLOBAL: + case A_I2C_CTRL_GLOBAL: s->ctrl_global = value; break; - case I2C_CTRL_STATUS: + case A_I2C_CTRL_NEW_CLK_DIVIDER: + if (aspeed_i2c_is_new_mode(s)) { + s->new_clk_divider = value; + } else { + qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx + "\n", __func__, offset); + } + break; + case A_I2C_CTRL_STATUS: default: qemu_log_mask(LOG_GUEST_ERROR, "%s: Bad offset 0x%" HWADDR_PRIx "\n", __func__, offset); @@ -707,19 +900,10 @@ static const MemoryRegionOps aspeed_i2c_pool_ops = { static const VMStateDescription aspeed_i2c_bus_vmstate = { .name = TYPE_ASPEED_I2C, - .version_id = 3, - .minimum_version_id = 3, + .version_id = 5, + .minimum_version_id = 5, .fields = (VMStateField[]) { - VMSTATE_UINT8(id, AspeedI2CBus), - VMSTATE_UINT32(ctrl, AspeedI2CBus), - VMSTATE_UINT32_ARRAY(timing, AspeedI2CBus, 2), - VMSTATE_UINT32(intr_ctrl, AspeedI2CBus), - VMSTATE_UINT32(intr_status, AspeedI2CBus), - VMSTATE_UINT32(cmd, AspeedI2CBus), - VMSTATE_UINT32(buf, AspeedI2CBus), - VMSTATE_UINT32(pool_ctrl, AspeedI2CBus), - VMSTATE_UINT32(dma_addr, AspeedI2CBus), - VMSTATE_UINT32(dma_len, AspeedI2CBus), + VMSTATE_UINT32_ARRAY(regs, AspeedI2CBus, ASPEED_I2C_NEW_NUM_REG), VMSTATE_END_OF_LIST() } }; @@ -856,12 +1040,7 @@ static void aspeed_i2c_bus_reset(DeviceState *dev) { AspeedI2CBus *s = ASPEED_I2C_BUS(dev); - s->intr_ctrl = 0; - s->intr_status = 0; - s->cmd = 0; - s->buf = 0; - s->dma_addr = 0; - s->dma_len = 0; + memset(s->regs, 0, sizeof(s->regs)); i2c_end_transfer(s->bus); } @@ -919,9 +1098,10 @@ static qemu_irq aspeed_2400_i2c_bus_get_irq(AspeedI2CBus *bus) static uint8_t *aspeed_2400_i2c_bus_pool_base(AspeedI2CBus *bus) { uint8_t *pool_page = - &bus->controller->pool[I2CD_POOL_PAGE_SEL(bus->ctrl) * 0x100]; + &bus->controller->pool[ARRAY_FIELD_EX32(bus->regs, I2CD_FUN_CTRL, + POOL_PAGE_SEL) * 0x100]; - return &pool_page[I2CD_POOL_OFFSET(bus->pool_ctrl)]; + return &pool_page[ARRAY_FIELD_EX32(bus->regs, I2CD_POOL_CTRL, OFFSET)]; } static void aspeed_2400_i2c_class_init(ObjectClass *klass, void *data) @@ -1013,6 +1193,29 @@ static const TypeInfo aspeed_2600_i2c_info = { .class_init = aspeed_2600_i2c_class_init, }; +static void aspeed_1030_i2c_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + AspeedI2CClass *aic = ASPEED_I2C_CLASS(klass); + + dc->desc = "ASPEED 1030 I2C Controller"; + + aic->num_busses = 14; + aic->reg_size = 0x80; + aic->gap = -1; /* no gap */ + aic->bus_get_irq = aspeed_2600_i2c_bus_get_irq; + aic->pool_size = 0x200; + aic->pool_base = 0xC00; + aic->bus_pool_base = aspeed_2600_i2c_bus_pool_base; + aic->has_dma = true; +} + +static const TypeInfo aspeed_1030_i2c_info = { + .name = TYPE_ASPEED_1030_I2C, + .parent = TYPE_ASPEED_I2C, + .class_init = aspeed_1030_i2c_class_init, +}; + static void aspeed_i2c_register_types(void) { type_register_static(&aspeed_i2c_bus_info); @@ -1020,6 +1223,7 @@ static void aspeed_i2c_register_types(void) type_register_static(&aspeed_2400_i2c_info); type_register_static(&aspeed_2500_i2c_info); type_register_static(&aspeed_2600_i2c_info); + type_register_static(&aspeed_1030_i2c_info); } type_init(aspeed_i2c_register_types) diff --git a/hw/i2c/trace-events b/hw/i2c/trace-events index 7d8907c1ee..209275ed2d 100644 --- a/hw/i2c/trace-events +++ b/hw/i2c/trace-events @@ -9,7 +9,7 @@ i2c_recv(uint8_t address, uint8_t data) "recv(addr:0x%02x) data:0x%02x" # aspeed_i2c.c aspeed_i2c_bus_cmd(uint32_t cmd, const char *cmd_flags, uint32_t count, uint32_t intr_status) "handling cmd=0x%x %s count=%d intr=0x%x" -aspeed_i2c_bus_raise_interrupt(uint32_t intr_status, const char *str1, const char *str2, const char *str3, const char *str4, const char *str5) "handled intr=0x%x %s%s%s%s%s" +aspeed_i2c_bus_raise_interrupt(uint32_t intr_status, const char *s) "handled intr=0x%x %s" aspeed_i2c_bus_read(uint32_t busid, uint64_t offset, unsigned size, uint64_t value) "bus[%d]: To 0x%" PRIx64 " of size %u: 0x%" PRIx64 aspeed_i2c_bus_write(uint32_t busid, uint64_t offset, unsigned size, uint64_t value) "bus[%d]: To 0x%" PRIx64 " of size %u: 0x%" PRIx64 aspeed_i2c_bus_send(const char *mode, int i, int count, uint8_t byte) "%s send %d/%d 0x%02x" diff --git a/hw/misc/aspeed_hace.c b/hw/misc/aspeed_hace.c index 4b5997e18f..731234b78c 100644 --- a/hw/misc/aspeed_hace.c +++ b/hw/misc/aspeed_hace.c @@ -340,12 +340,12 @@ static void aspeed_hace_write(void *opaque, hwaddr addr, uint64_t data, if ((data & HASH_HMAC_MASK)) { qemu_log_mask(LOG_UNIMP, - "%s: HMAC engine command mode %"PRIx64" not implemented", + "%s: HMAC engine command mode %"PRIx64" not implemented\n", __func__, (data & HASH_HMAC_MASK) >> 8); } if (data & BIT(1)) { qemu_log_mask(LOG_UNIMP, - "%s: Cascaded mode not implemented", + "%s: Cascaded mode not implemented\n", __func__); } algo = hash_algo_lookup(data); diff --git a/include/hw/i2c/aspeed_i2c.h b/include/hw/i2c/aspeed_i2c.h index 4b9be09274..1398befc10 100644 --- a/include/hw/i2c/aspeed_i2c.h +++ b/include/hw/i2c/aspeed_i2c.h @@ -23,16 +23,196 @@ #include "hw/i2c/i2c.h" #include "hw/sysbus.h" +#include "hw/registerfields.h" #include "qom/object.h" #define TYPE_ASPEED_I2C "aspeed.i2c" #define TYPE_ASPEED_2400_I2C TYPE_ASPEED_I2C "-ast2400" #define TYPE_ASPEED_2500_I2C TYPE_ASPEED_I2C "-ast2500" #define TYPE_ASPEED_2600_I2C TYPE_ASPEED_I2C "-ast2600" +#define TYPE_ASPEED_1030_I2C TYPE_ASPEED_I2C "-ast1030" OBJECT_DECLARE_TYPE(AspeedI2CState, AspeedI2CClass, ASPEED_I2C) #define ASPEED_I2C_NR_BUSSES 16 #define ASPEED_I2C_MAX_POOL_SIZE 0x800 +#define ASPEED_I2C_OLD_NUM_REG 11 +#define ASPEED_I2C_NEW_NUM_REG 22 + +/* Tx State Machine */ +#define I2CD_TX_STATE_MASK 0xf +#define I2CD_IDLE 0x0 +#define I2CD_MACTIVE 0x8 +#define I2CD_MSTART 0x9 +#define I2CD_MSTARTR 0xa +#define I2CD_MSTOP 0xb +#define I2CD_MTXD 0xc +#define I2CD_MRXACK 0xd +#define I2CD_MRXD 0xe +#define I2CD_MTXACK 0xf +#define I2CD_SWAIT 0x1 +#define I2CD_SRXD 0x4 +#define I2CD_STXACK 0x5 +#define I2CD_STXD 0x6 +#define I2CD_SRXACK 0x7 +#define I2CD_RECOVER 0x3 + +/* I2C Global Register */ +REG32(I2C_CTRL_STATUS, 0x0) /* Device Interrupt Status */ +REG32(I2C_CTRL_ASSIGN, 0x8) /* Device Interrupt Target Assignment */ +REG32(I2C_CTRL_GLOBAL, 0xC) /* Global Control Register */ + FIELD(I2C_CTRL_GLOBAL, REG_MODE, 2, 1) + FIELD(I2C_CTRL_GLOBAL, SRAM_EN, 0, 1) +REG32(I2C_CTRL_NEW_CLK_DIVIDER, 0x10) /* New mode clock divider */ + +/* I2C Old Mode Device (Bus) Register */ +REG32(I2CD_FUN_CTRL, 0x0) /* I2CD Function Control */ + FIELD(I2CD_FUN_CTRL, POOL_PAGE_SEL, 20, 3) /* AST2400 */ + SHARED_FIELD(M_SDA_LOCK_EN, 16, 1) + SHARED_FIELD(MULTI_MASTER_DIS, 15, 1) + SHARED_FIELD(M_SCL_DRIVE_EN, 14, 1) + SHARED_FIELD(MSB_STS, 9, 1) + SHARED_FIELD(SDA_DRIVE_IT_EN, 8, 1) + SHARED_FIELD(M_SDA_DRIVE_IT_EN, 7, 1) + SHARED_FIELD(M_HIGH_SPEED_EN, 6, 1) + SHARED_FIELD(DEF_ADDR_EN, 5, 1) + SHARED_FIELD(DEF_ALERT_EN, 4, 1) + SHARED_FIELD(DEF_ARP_EN, 3, 1) + SHARED_FIELD(DEF_GCALL_EN, 2, 1) + SHARED_FIELD(SLAVE_EN, 1, 1) + SHARED_FIELD(MASTER_EN, 0, 1) +REG32(I2CD_AC_TIMING1, 0x04) /* Clock and AC Timing Control #1 */ +REG32(I2CD_AC_TIMING2, 0x08) /* Clock and AC Timing Control #2 */ +REG32(I2CD_INTR_CTRL, 0x0C) /* I2CD Interrupt Control */ +REG32(I2CD_INTR_STS, 0x10) /* I2CD Interrupt Status */ + SHARED_FIELD(SLAVE_ADDR_MATCH, 31, 1) /* 0: addr1 1: addr2 */ + SHARED_FIELD(SLAVE_ADDR_RX_PENDING, 29, 1) + SHARED_FIELD(SLAVE_INACTIVE_TIMEOUT, 15, 1) + SHARED_FIELD(SDA_DL_TIMEOUT, 14, 1) + SHARED_FIELD(BUS_RECOVER_DONE, 13, 1) + SHARED_FIELD(SMBUS_ALERT, 12, 1) /* Bus [0-3] only */ + FIELD(I2CD_INTR_STS, SMBUS_ARP_ADDR, 11, 1) /* Removed */ + FIELD(I2CD_INTR_STS, SMBUS_DEV_ALERT_ADDR, 10, 1) /* Removed */ + FIELD(I2CD_INTR_STS, SMBUS_DEF_ADDR, 9, 1) /* Removed */ + FIELD(I2CD_INTR_STS, GCALL_ADDR, 8, 1) /* Removed */ + FIELD(I2CD_INTR_STS, SLAVE_ADDR_RX_MATCH, 7, 1) /* use RX_DONE */ + SHARED_FIELD(SCL_TIMEOUT, 6, 1) + SHARED_FIELD(ABNORMAL, 5, 1) + SHARED_FIELD(NORMAL_STOP, 4, 1) + SHARED_FIELD(ARBIT_LOSS, 3, 1) + SHARED_FIELD(RX_DONE, 2, 1) + SHARED_FIELD(TX_NAK, 1, 1) + SHARED_FIELD(TX_ACK, 0, 1) +REG32(I2CD_CMD, 0x14) /* I2CD Command/Status */ + SHARED_FIELD(SDA_OE, 28, 1) + SHARED_FIELD(SDA_O, 27, 1) + SHARED_FIELD(SCL_OE, 26, 1) + SHARED_FIELD(SCL_O, 25, 1) + SHARED_FIELD(TX_TIMING, 23, 2) + SHARED_FIELD(TX_STATE, 19, 4) + SHARED_FIELD(SCL_LINE_STS, 18, 1) + SHARED_FIELD(SDA_LINE_STS, 17, 1) + SHARED_FIELD(BUS_BUSY_STS, 16, 1) + SHARED_FIELD(SDA_OE_OUT_DIR, 15, 1) + SHARED_FIELD(SDA_O_OUT_DIR, 14, 1) + SHARED_FIELD(SCL_OE_OUT_DIR, 13, 1) + SHARED_FIELD(SCL_O_OUT_DIR, 12, 1) + SHARED_FIELD(BUS_RECOVER_CMD_EN, 11, 1) + SHARED_FIELD(S_ALT_EN, 10, 1) + /* Command Bits */ + SHARED_FIELD(RX_DMA_EN, 9, 1) + SHARED_FIELD(TX_DMA_EN, 8, 1) + SHARED_FIELD(RX_BUFF_EN, 7, 1) + SHARED_FIELD(TX_BUFF_EN, 6, 1) + SHARED_FIELD(M_STOP_CMD, 5, 1) + SHARED_FIELD(M_S_RX_CMD_LAST, 4, 1) + SHARED_FIELD(M_RX_CMD, 3, 1) + SHARED_FIELD(S_TX_CMD, 2, 1) + SHARED_FIELD(M_TX_CMD, 1, 1) + SHARED_FIELD(M_START_CMD, 0, 1) +REG32(I2CD_DEV_ADDR, 0x18) /* Slave Device Address */ +REG32(I2CD_POOL_CTRL, 0x1C) /* Pool Buffer Control */ + SHARED_FIELD(RX_COUNT, 24, 5) + SHARED_FIELD(RX_SIZE, 16, 5) + SHARED_FIELD(TX_COUNT, 9, 5) + FIELD(I2CD_POOL_CTRL, OFFSET, 2, 6) /* AST2400 */ +REG32(I2CD_BYTE_BUF, 0x20) /* Transmit/Receive Byte Buffer */ + SHARED_FIELD(RX_BUF, 8, 8) + SHARED_FIELD(TX_BUF, 0, 8) +REG32(I2CD_DMA_ADDR, 0x24) /* DMA Buffer Address */ +REG32(I2CD_DMA_LEN, 0x28) /* DMA Transfer Length < 4KB */ + +/* I2C New Mode Device (Bus) Register */ +REG32(I2CC_FUN_CTRL, 0x0) + FIELD(I2CC_FUN_CTRL, RB_EARLY_DONE_EN, 22, 1) + FIELD(I2CC_FUN_CTRL, DMA_DIS_AUTO_RECOVER, 21, 1) + FIELD(I2CC_FUN_CTRL, S_SAVE_ADDR, 20, 1) + FIELD(I2CC_FUN_CTRL, M_PKT_RETRY_CNT, 18, 2) + /* 17:0 shared with I2CD_FUN_CTRL[17:0] */ +REG32(I2CC_AC_TIMING, 0x04) +REG32(I2CC_MS_TXRX_BYTE_BUF, 0x08) + /* 31:16 shared with I2CD_CMD[31:16] */ + /* 15:0 shared with I2CD_BYTE_BUF[15:0] */ +REG32(I2CC_POOL_CTRL, 0x0c) + /* 31:0 shared with I2CD_POOL_CTRL[31:0] */ +REG32(I2CM_INTR_CTRL, 0x10) +REG32(I2CM_INTR_STS, 0x14) + FIELD(I2CM_INTR_STS, PKT_STATE, 28, 4) + FIELD(I2CM_INTR_STS, PKT_CMD_TIMEOUT, 18, 1) + FIELD(I2CM_INTR_STS, PKT_CMD_FAIL, 17, 1) + FIELD(I2CM_INTR_STS, PKT_CMD_DONE, 16, 1) + FIELD(I2CM_INTR_STS, BUS_RECOVER_FAIL, 15, 1) + /* 14:0 shared with I2CD_INTR_STS[14:0] */ +REG32(I2CM_CMD, 0x18) + FIELD(I2CM_CMD, W1_CTRL, 31, 1) + FIELD(I2CM_CMD, PKT_DEV_ADDR, 24, 7) + FIELD(I2CM_CMD, HS_MASTER_MODE_LSB, 17, 3) + FIELD(I2CM_CMD, PKT_OP_EN, 16, 1) + /* 15:0 shared with I2CD_CMD[15:0] */ +REG32(I2CM_DMA_LEN, 0x1c) + FIELD(I2CM_DMA_LEN, RX_BUF_LEN_W1T, 31, 1) + FIELD(I2CM_DMA_LEN, RX_BUF_LEN, 16, 11) + FIELD(I2CM_DMA_LEN, TX_BUF_LEN_W1T, 15, 1) + FIELD(I2CM_DMA_LEN, TX_BUF_LEN, 0, 11) +REG32(I2CS_INTR_CTRL, 0x20) +REG32(I2CS_INTR_STS, 0x24) + /* 31:29 shared with I2CD_INTR_STS[31:29] */ + FIELD(I2CS_INTR_STS, SLAVE_PARKING_STS, 24, 2) + FIELD(I2CS_INTR_STS, SLAVE_ADDR3_NAK, 22, 1) + FIELD(I2CS_INTR_STS, SLAVE_ADDR2_NAK, 21, 1) + FIELD(I2CS_INTR_STS, SLAVE_ADDR1_NAK, 20, 1) + FIELD(I2CS_INTR_STS, SLAVE_ADDR_INDICATOR, 18, 2) + FIELD(I2CS_INTR_STS, PKT_CMD_FAIL, 17, 1) + FIELD(I2CS_INTR_STS, PKT_CMD_DONE, 16, 1) + /* 14:0 shared with I2CD_INTR_STS[14:0] */ +REG32(I2CS_CMD, 0x28) + FIELD(I2CS_CMD, W1_CTRL, 31, 1) + FIELD(I2CS_CMD, PKT_MODE_ACTIVE_ADDR, 17, 2) + FIELD(I2CS_CMD, PKT_MODE_EN, 16, 1) + FIELD(I2CS_CMD, AUTO_NAK_INACTIVE_ADDR, 15, 1) + FIELD(I2CS_CMD, AUTO_NAK_ACTIVE_ADDR, 14, 1) + /* 13:0 shared with I2CD_CMD[13:0] */ +REG32(I2CS_DMA_LEN, 0x2c) + FIELD(I2CS_DMA_LEN, RX_BUF_LEN_W1T, 31, 1) + FIELD(I2CS_DMA_LEN, RX_BUF_LEN, 16, 11) + FIELD(I2CS_DMA_LEN, TX_BUF_LEN_W1T, 15, 1) + FIELD(I2CS_DMA_LEN, TX_BUF_LEN, 0, 11) +REG32(I2CM_DMA_TX_ADDR, 0x30) + FIELD(I2CM_DMA_TX_ADDR, ADDR, 0, 31) +REG32(I2CM_DMA_RX_ADDR, 0x34) + FIELD(I2CM_DMA_RX_ADDR, ADDR, 0, 31) +REG32(I2CS_DMA_TX_ADDR, 0x38) + FIELD(I2CS_DMA_TX_ADDR, ADDR, 0, 31) +REG32(I2CS_DMA_RX_ADDR, 0x3c) + FIELD(I2CS_DMA_RX_ADDR, ADDR, 0, 31) +REG32(I2CS_DEV_ADDR, 0x40) +REG32(I2CM_DMA_LEN_STS, 0x48) + FIELD(I2CM_DMA_LEN_STS, RX_LEN, 16, 13) + FIELD(I2CM_DMA_LEN_STS, TX_LEN, 0, 13) +REG32(I2CS_DMA_LEN_STS, 0x4c) + FIELD(I2CS_DMA_LEN_STS, RX_LEN, 16, 13) + FIELD(I2CS_DMA_LEN_STS, TX_LEN, 0, 13) +REG32(I2CC_DMA_ADDR, 0x50) +REG32(I2CC_DMA_LEN, 0x54) struct AspeedI2CState; @@ -49,15 +229,7 @@ struct AspeedI2CBus { uint8_t id; qemu_irq irq; - uint32_t ctrl; - uint32_t timing[2]; - uint32_t intr_ctrl; - uint32_t intr_status; - uint32_t cmd; - uint32_t buf; - uint32_t pool_ctrl; - uint32_t dma_addr; - uint32_t dma_len; + uint32_t regs[ASPEED_I2C_NEW_NUM_REG]; }; struct AspeedI2CState { @@ -68,6 +240,7 @@ struct AspeedI2CState { uint32_t intr_status; uint32_t ctrl_global; + uint32_t new_clk_divider; MemoryRegion pool_iomem; uint8_t pool[ASPEED_I2C_MAX_POOL_SIZE]; @@ -93,6 +266,104 @@ struct AspeedI2CClass { }; +static inline bool aspeed_i2c_is_new_mode(AspeedI2CState *s) +{ + return FIELD_EX32(s->ctrl_global, I2C_CTRL_GLOBAL, REG_MODE); +} + +static inline bool aspeed_i2c_bus_pkt_mode_en(AspeedI2CBus *bus) +{ + if (aspeed_i2c_is_new_mode(bus->controller)) { + return ARRAY_FIELD_EX32(bus->regs, I2CM_CMD, PKT_OP_EN); + } + return false; +} + +static inline uint32_t aspeed_i2c_bus_ctrl_offset(AspeedI2CBus *bus) +{ + if (aspeed_i2c_is_new_mode(bus->controller)) { + return R_I2CC_FUN_CTRL; + } + return R_I2CD_FUN_CTRL; +} + +static inline uint32_t aspeed_i2c_bus_cmd_offset(AspeedI2CBus *bus) +{ + if (aspeed_i2c_is_new_mode(bus->controller)) { + return R_I2CM_CMD; + } + return R_I2CD_CMD; +} + +static inline uint32_t aspeed_i2c_bus_dev_addr_offset(AspeedI2CBus *bus) +{ + if (aspeed_i2c_is_new_mode(bus->controller)) { + return R_I2CS_DEV_ADDR; + } + return R_I2CD_DEV_ADDR; +} + +static inline uint32_t aspeed_i2c_bus_intr_ctrl_offset(AspeedI2CBus *bus) +{ + if (aspeed_i2c_is_new_mode(bus->controller)) { + return R_I2CM_INTR_CTRL; + } + return R_I2CD_INTR_CTRL; +} + +static inline uint32_t aspeed_i2c_bus_intr_sts_offset(AspeedI2CBus *bus) +{ + if (aspeed_i2c_is_new_mode(bus->controller)) { + return R_I2CM_INTR_STS; + } + return R_I2CD_INTR_STS; +} + +static inline uint32_t aspeed_i2c_bus_pool_ctrl_offset(AspeedI2CBus *bus) +{ + if (aspeed_i2c_is_new_mode(bus->controller)) { + return R_I2CC_POOL_CTRL; + } + return R_I2CD_POOL_CTRL; +} + +static inline uint32_t aspeed_i2c_bus_byte_buf_offset(AspeedI2CBus *bus) +{ + if (aspeed_i2c_is_new_mode(bus->controller)) { + return R_I2CC_MS_TXRX_BYTE_BUF; + } + return R_I2CD_BYTE_BUF; +} + +static inline uint32_t aspeed_i2c_bus_dma_len_offset(AspeedI2CBus *bus) +{ + if (aspeed_i2c_is_new_mode(bus->controller)) { + return R_I2CC_DMA_LEN; + } + return R_I2CD_DMA_LEN; +} + +static inline uint32_t aspeed_i2c_bus_dma_addr_offset(AspeedI2CBus *bus) +{ + if (aspeed_i2c_is_new_mode(bus->controller)) { + return R_I2CC_DMA_ADDR; + } + return R_I2CD_DMA_ADDR; +} + +static inline bool aspeed_i2c_bus_is_master(AspeedI2CBus *bus) +{ + return SHARED_ARRAY_FIELD_EX32(bus->regs, aspeed_i2c_bus_ctrl_offset(bus), + MASTER_EN); +} + +static inline bool aspeed_i2c_bus_is_enabled(AspeedI2CBus *bus) +{ + uint32_t ctrl_reg = aspeed_i2c_bus_ctrl_offset(bus); + return SHARED_ARRAY_FIELD_EX32(bus->regs, ctrl_reg, MASTER_EN) || + SHARED_ARRAY_FIELD_EX32(bus->regs, ctrl_reg, SLAVE_EN); +} + I2CBus *aspeed_i2c_get_bus(AspeedI2CState *s, int busnr); #endif /* ASPEED_I2C_H */ diff --git a/include/hw/registerfields.h b/include/hw/registerfields.h index 3a88e135d0..1330ca77de 100644 --- a/include/hw/registerfields.h +++ b/include/hw/registerfields.h @@ -154,4 +154,74 @@ #define ARRAY_FIELD_DP64(regs, reg, field, val) \ (regs)[R_ ## reg] = FIELD_DP64((regs)[R_ ## reg], reg, field, val); + +/* + * These macros can be used for defining and extracting fields that have the + * same bit position across multiple registers. + */ + +/* Define shared SHIFT, LENGTH, and MASK constants */ +#define SHARED_FIELD(name, shift, length) \ + enum { name ## _ ## SHIFT = (shift)}; \ + enum { name ## _ ## LENGTH = (length)}; \ + enum { name ## _ ## MASK = MAKE_64BIT_MASK(shift, length)}; + +/* Extract a shared field */ +#define SHARED_FIELD_EX8(storage, field) \ + extract8((storage), field ## _SHIFT, field ## _LENGTH) + +#define SHARED_FIELD_EX16(storage, field) \ + extract16((storage), field ## _SHIFT, field ## _LENGTH) + +#define SHARED_FIELD_EX32(storage, field) \ + extract32((storage), field ## _SHIFT, field ## _LENGTH) + +#define SHARED_FIELD_EX64(storage, field) \ + extract64((storage), field ## _SHIFT, field ## _LENGTH) + +/* Extract a shared field from a register array */ +#define SHARED_ARRAY_FIELD_EX32(regs, offset, field) \ + SHARED_FIELD_EX32((regs)[(offset)], field) +#define SHARED_ARRAY_FIELD_EX64(regs, offset, field) \ + SHARED_FIELD_EX64((regs)[(offset)], field) + +/* Deposit a shared field */ +#define SHARED_FIELD_DP8(storage, field, val) ({ \ + struct { \ + unsigned int v:field ## _LENGTH; \ + } _v = { .v = val }; \ + uint8_t _d; \ + _d = deposit32((storage), field ## _SHIFT, field ## _LENGTH, _v.v); \ + _d; }) + +#define SHARED_FIELD_DP16(storage, field, val) ({ \ + struct { \ + unsigned int v:field ## _LENGTH; \ + } _v = { .v = val }; \ + uint16_t _d; \ + _d = deposit32((storage), field ## _SHIFT, field ## _LENGTH, _v.v); \ + _d; }) + +#define SHARED_FIELD_DP32(storage, field, val) ({ \ + struct { \ + unsigned int v:field ## _LENGTH; \ + } _v = { .v = val }; \ + uint32_t _d; \ + _d = deposit32((storage), field ## _SHIFT, field ## _LENGTH, _v.v); \ + _d; }) + +#define SHARED_FIELD_DP64(storage, field, val) ({ \ + struct { \ + uint64_t v:field ## _LENGTH; \ + } _v = { .v = val }; \ + uint64_t _d; \ + _d = deposit64((storage), field ## _SHIFT, field ## _LENGTH, _v.v); \ + _d; }) + +/* Deposit a shared field to a register array */ +#define SHARED_ARRAY_FIELD_DP32(regs, offset, field, val) \ + (regs)[(offset)] = SHARED_FIELD_DP32((regs)[(offset)], field, val); +#define SHARED_ARRAY_FIELD_DP64(regs, offset, field, val) \ + (regs)[(offset)] = SHARED_FIELD_DP64((regs)[(offset)], field, val); + #endif diff --git a/tests/avocado/boot_linux_console.py b/tests/avocado/boot_linux_console.py index 45a2ceda22..6b1533c17c 100644 --- a/tests/avocado/boot_linux_console.py +++ b/tests/avocado/boot_linux_console.py @@ -1043,49 +1043,6 @@ class BootLinuxConsole(LinuxKernelTest): self.vm.add_args('-dtb', self.workdir + '/day16/vexpress-v2p-ca9.dtb') self.do_test_advcal_2018('16', tar_hash, 'winter.zImage') - def test_arm_ast2400_palmetto_openbmc_v2_9_0(self): - """ - :avocado: tags=arch:arm - :avocado: tags=machine:palmetto-bmc - """ - - image_url = ('https://github.com/openbmc/openbmc/releases/download/2.9.0/' - 'obmc-phosphor-image-palmetto.static.mtd') - image_hash = ('3e13bbbc28e424865dc42f35ad672b10f2e82cdb11846bb28fa625b48beafd0d') - image_path = self.fetch_asset(image_url, asset_hash=image_hash, - algorithm='sha256') - - self.do_test_arm_aspeed(image_path) - - def test_arm_ast2500_romulus_openbmc_v2_9_0(self): - """ - :avocado: tags=arch:arm - :avocado: tags=machine:romulus-bmc - """ - - image_url = ('https://github.com/openbmc/openbmc/releases/download/2.9.0/' - 'obmc-phosphor-image-romulus.static.mtd') - image_hash = ('820341076803f1955bc31e647a512c79f9add4f5233d0697678bab4604c7bb25') - image_path = self.fetch_asset(image_url, asset_hash=image_hash, - algorithm='sha256') - - self.do_test_arm_aspeed(image_path) - - def do_test_arm_aspeed(self, image): - self.vm.set_console() - self.vm.add_args('-drive', 'file=' + image + ',if=mtd,format=raw', - '-net', 'nic') - self.vm.launch() - - self.wait_for_console_pattern("U-Boot 2016.07") - self.wait_for_console_pattern("## Loading kernel from FIT Image at 20080000") - self.wait_for_console_pattern("Starting kernel ...") - self.wait_for_console_pattern("Booting Linux on physical CPU 0x0") - self.wait_for_console_pattern( - "aspeed-smc 1e620000.spi: read control register: 203b0641") - self.wait_for_console_pattern("ftgmac100 1e660000.ethernet eth0: irq ") - self.wait_for_console_pattern("systemd[1]: Set hostname to") - def test_arm_ast2600_debian(self): """ :avocado: tags=arch:arm diff --git a/tests/avocado/machine_aspeed.py b/tests/avocado/machine_aspeed.py index 33090af199..3b8f784a57 100644 --- a/tests/avocado/machine_aspeed.py +++ b/tests/avocado/machine_aspeed.py @@ -5,8 +5,11 @@ # This work is licensed under the terms of the GNU GPL, version 2 or # later. See the COPYING file in the top-level directory. +import time + from avocado_qemu import QemuSystemTest from avocado_qemu import wait_for_console_pattern +from avocado_qemu import exec_command from avocado_qemu import exec_command_and_wait_for_pattern from avocado.utils import archive @@ -34,3 +37,136 @@ class AST1030Machine(QemuSystemTest): wait_for_console_pattern(self, "Booting Zephyr OS") exec_command_and_wait_for_pattern(self, "help", "Available commands") + +class AST2x00Machine(QemuSystemTest): + + def wait_for_console_pattern(self, success_message, vm=None): + wait_for_console_pattern(self, success_message, + failure_message='Kernel panic - not syncing', + vm=vm) + + def do_test_arm_aspeed(self, image): + self.vm.set_console() + self.vm.add_args('-drive', 'file=' + image + ',if=mtd,format=raw', + '-net', 'nic') + self.vm.launch() + + self.wait_for_console_pattern("U-Boot 2016.07") + self.wait_for_console_pattern("## Loading kernel from FIT Image at 20080000") + self.wait_for_console_pattern("Starting kernel ...") + self.wait_for_console_pattern("Booting Linux on physical CPU 0x0") + wait_for_console_pattern(self, + "aspeed-smc 1e620000.spi: read control register: 203b0641") + self.wait_for_console_pattern("ftgmac100 1e660000.ethernet eth0: irq ") + self.wait_for_console_pattern("systemd[1]: Set hostname to") + + def test_arm_ast2400_palmetto_openbmc_v2_9_0(self): + """ + :avocado: tags=arch:arm + :avocado: tags=machine:palmetto-bmc + """ + + image_url = ('https://github.com/openbmc/openbmc/releases/download/2.9.0/' + 'obmc-phosphor-image-palmetto.static.mtd') + image_hash = ('3e13bbbc28e424865dc42f35ad672b10f2e82cdb11846bb28fa625b48beafd0d') + image_path = self.fetch_asset(image_url, asset_hash=image_hash, + algorithm='sha256') + + self.do_test_arm_aspeed(image_path) + + def test_arm_ast2500_romulus_openbmc_v2_9_0(self): + """ + :avocado: tags=arch:arm + :avocado: tags=machine:romulus-bmc + """ + + image_url = ('https://github.com/openbmc/openbmc/releases/download/2.9.0/' + 'obmc-phosphor-image-romulus.static.mtd') + image_hash = ('820341076803f1955bc31e647a512c79f9add4f5233d0697678bab4604c7bb25') + image_path = self.fetch_asset(image_url, asset_hash=image_hash, + algorithm='sha256') + + self.do_test_arm_aspeed(image_path) + + def do_test_arm_aspeed_buidroot_start(self, image, cpu_id): + self.vm.set_console() + self.vm.add_args('-drive', 'file=' + image + ',if=mtd,format=raw', + '-net', 'nic', '-net', 'user') + self.vm.launch() + + self.wait_for_console_pattern('U-Boot 2019.04') + self.wait_for_console_pattern('## Loading kernel from FIT Image') + self.wait_for_console_pattern('Starting kernel ...') + self.wait_for_console_pattern('Booting Linux on physical CPU ' + cpu_id) + self.wait_for_console_pattern('lease of 10.0.2.15') + self.wait_for_console_pattern('Aspeed EVB') + exec_command(self, 'root') + time.sleep(0.1) + + def do_test_arm_aspeed_buidroot_poweroff(self): + exec_command_and_wait_for_pattern(self, 'poweroff', + 'reboot: System halted'); + + def test_arm_ast2500_evb_builroot(self): + """ + :avocado: tags=arch:arm + :avocado: tags=machine:ast2500-evb + """ + + image_url = ('https://github.com/legoater/qemu-aspeed-boot/raw/master/' + 'images/ast2500-evb/buildroot-2022.05/flash.img') + image_hash = ('549db6e9d8cdaf4367af21c36385a68bb465779c18b5e37094fc7343decccd3f') + image_path = self.fetch_asset(image_url, asset_hash=image_hash, + algorithm='sha256') + + self.vm.add_args('-device', + 'tmp105,bus=aspeed.i2c.bus.3,address=0x4d,id=tmp-test'); + self.do_test_arm_aspeed_buidroot_start(image_path, '0x0') + + exec_command_and_wait_for_pattern(self, + 'echo lm75 0x4d > /sys/class/i2c-dev/i2c-3/device/new_device', + 'i2c i2c-3: new_device: Instantiated device lm75 at 0x4d'); + exec_command_and_wait_for_pattern(self, + 'cat /sys/class/hwmon/hwmon1/temp1_input', '0') + self.vm.command('qom-set', path='/machine/peripheral/tmp-test', + property='temperature', value=18000); + exec_command_and_wait_for_pattern(self, + 'cat /sys/class/hwmon/hwmon1/temp1_input', '18000') + + self.do_test_arm_aspeed_buidroot_poweroff() + + def test_arm_ast2600_evb_builroot(self): + """ + :avocado: tags=arch:arm + :avocado: tags=machine:ast2600-evb + """ + + image_url = ('https://github.com/legoater/qemu-aspeed-boot/raw/master/' + 'images/ast2600-evb/buildroot-2022.05/flash.img') + image_hash = ('6cc9e7d128fd4fa1fd01c883af67593cae8072c3239a0b8b6ace857f3538a92d') + image_path = self.fetch_asset(image_url, asset_hash=image_hash, + algorithm='sha256') + + self.vm.add_args('-device', + 'tmp105,bus=aspeed.i2c.bus.3,address=0x4d,id=tmp-test'); + self.vm.add_args('-device', + 'ds1338,bus=aspeed.i2c.bus.3,address=0x32'); + self.do_test_arm_aspeed_buidroot_start(image_path, '0xf00') + + exec_command_and_wait_for_pattern(self, + 'echo lm75 0x4d > /sys/class/i2c-dev/i2c-3/device/new_device', + 'i2c i2c-3: new_device: Instantiated device lm75 at 0x4d'); + exec_command_and_wait_for_pattern(self, + 'cat /sys/class/hwmon/hwmon0/temp1_input', '0') + self.vm.command('qom-set', path='/machine/peripheral/tmp-test', + property='temperature', value=18000); + exec_command_and_wait_for_pattern(self, + 'cat /sys/class/hwmon/hwmon0/temp1_input', '18000') + + exec_command_and_wait_for_pattern(self, + 'echo ds1307 0x32 > /sys/class/i2c-dev/i2c-3/device/new_device', + 'i2c i2c-3: new_device: Instantiated device ds1307 at 0x32'); + year = time.strftime("%Y") + exec_command_and_wait_for_pattern(self, 'hwclock -f /dev/rtc1', year); + + self.do_test_arm_aspeed_buidroot_poweroff() diff --git a/tests/qtest/aspeed_smc-test.c b/tests/qtest/aspeed_smc-test.c index ec233315e6..b1e682db65 100644 --- a/tests/qtest/aspeed_smc-test.c +++ b/tests/qtest/aspeed_smc-test.c @@ -135,6 +135,9 @@ static void flash_reset(void) spi_ctrl_start_user(); writeb(ASPEED_FLASH_BASE, RESET_ENABLE); writeb(ASPEED_FLASH_BASE, RESET_MEMORY); + writeb(ASPEED_FLASH_BASE, WREN); + writeb(ASPEED_FLASH_BASE, BULK_ERASE); + writeb(ASPEED_FLASH_BASE, WRDI); spi_ctrl_stop_user(); spi_conf_remove(CONF_ENABLE_W0); @@ -195,21 +198,41 @@ static void test_erase_sector(void) spi_conf(CONF_ENABLE_W0); + /* + * Previous page should be full of 0xffs after backend is + * initialized + */ + read_page(some_page_addr - FLASH_PAGE_SIZE, page); + for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { + g_assert_cmphex(page[i], ==, 0xffffffff); + } + spi_ctrl_start_user(); - writeb(ASPEED_FLASH_BASE, WREN); writeb(ASPEED_FLASH_BASE, EN_4BYTE_ADDR); - writeb(ASPEED_FLASH_BASE, ERASE_SECTOR); + writeb(ASPEED_FLASH_BASE, WREN); + writeb(ASPEED_FLASH_BASE, PP); writel(ASPEED_FLASH_BASE, make_be32(some_page_addr)); + + /* Fill the page with its own addresses */ + for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { + writel(ASPEED_FLASH_BASE, make_be32(some_page_addr + i * 4)); + } spi_ctrl_stop_user(); - /* Previous page should be full of zeroes as backend is not - * initialized */ - read_page(some_page_addr - FLASH_PAGE_SIZE, page); + /* Check the page is correctly written */ + read_page(some_page_addr, page); for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { - g_assert_cmphex(page[i], ==, 0x0); + g_assert_cmphex(page[i], ==, some_page_addr + i * 4); } - /* But this one was erased */ + spi_ctrl_start_user(); + writeb(ASPEED_FLASH_BASE, WREN); + writeb(ASPEED_FLASH_BASE, EN_4BYTE_ADDR); + writeb(ASPEED_FLASH_BASE, ERASE_SECTOR); + writel(ASPEED_FLASH_BASE, make_be32(some_page_addr)); + spi_ctrl_stop_user(); + + /* Check the page is erased */ read_page(some_page_addr, page); for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { g_assert_cmphex(page[i], ==, 0xffffffff); @@ -226,11 +249,31 @@ static void test_erase_all(void) spi_conf(CONF_ENABLE_W0); - /* Check some random page. Should be full of zeroes as backend is - * not initialized */ + /* + * Previous page should be full of 0xffs after backend is + * initialized + */ + read_page(some_page_addr - FLASH_PAGE_SIZE, page); + for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { + g_assert_cmphex(page[i], ==, 0xffffffff); + } + + spi_ctrl_start_user(); + writeb(ASPEED_FLASH_BASE, EN_4BYTE_ADDR); + writeb(ASPEED_FLASH_BASE, WREN); + writeb(ASPEED_FLASH_BASE, PP); + writel(ASPEED_FLASH_BASE, make_be32(some_page_addr)); + + /* Fill the page with its own addresses */ + for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { + writel(ASPEED_FLASH_BASE, make_be32(some_page_addr + i * 4)); + } + spi_ctrl_stop_user(); + + /* Check the page is correctly written */ read_page(some_page_addr, page); for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { - g_assert_cmphex(page[i], ==, 0x0); + g_assert_cmphex(page[i], ==, some_page_addr + i * 4); } spi_ctrl_start_user(); @@ -238,7 +281,7 @@ static void test_erase_all(void) writeb(ASPEED_FLASH_BASE, BULK_ERASE); spi_ctrl_stop_user(); - /* Recheck that some random page */ + /* Check the page is erased */ read_page(some_page_addr, page); for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { g_assert_cmphex(page[i], ==, 0xffffffff); @@ -299,6 +342,14 @@ static void test_read_page_mem(void) spi_conf(CONF_ENABLE_W0); spi_ctrl_start_user(); writeb(ASPEED_FLASH_BASE, EN_4BYTE_ADDR); + writeb(ASPEED_FLASH_BASE, WREN); + writeb(ASPEED_FLASH_BASE, PP); + writel(ASPEED_FLASH_BASE, make_be32(my_page_addr)); + + /* Fill the page with its own addresses */ + for (i = 0; i < FLASH_PAGE_SIZE / 4; i++) { + writel(ASPEED_FLASH_BASE, make_be32(my_page_addr + i * 4)); + } spi_ctrl_stop_user(); spi_conf_remove(CONF_ENABLE_W0); @@ -417,6 +468,7 @@ int main(int argc, char **argv) qtest_add_func("/ast2400/smc/write_page_mem", test_write_page_mem); qtest_add_func("/ast2400/smc/read_status_reg", test_read_status_reg); + flash_reset(); ret = g_test_run(); qtest_quit(global_qtest); |