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author | Joe Komlodi <komlodi@google.com> | 2022-06-13 14:05:48 +0200 |
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committer | Cédric Le Goater <clg@kaod.org> | 2022-06-22 09:49:34 +0200 |
commit | e532cd0485dc4dc0983d4cc95083c592223c02c0 (patch) | |
tree | 4dd7e4635112e0cabf34e2b4dcc48d81338e43b0 /hw/i2c | |
parent | 0efec47b5f25761cdc476099d8b72a1c1233e07b (diff) | |
download | qemu-e532cd0485dc4dc0983d4cc95083c592223c02c0.zip qemu-e532cd0485dc4dc0983d4cc95083c592223c02c0.tar.gz qemu-e532cd0485dc4dc0983d4cc95083c592223c02c0.tar.bz2 |
aspeed: i2c: Move regs and helpers to header file
Moves register definitions and short commonly used inlined functiosn to
the header file to help tidy up the implementation file.
Signed-off-by: Joe Komlodi <komlodi@google.com>
Change-Id: I34dff7485b6bbe3c9482715ccd94dbd65dc5f324
Message-Id: <20220331043248.2237838-8-komlodi@google.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Diffstat (limited to 'hw/i2c')
-rw-r--r-- | hw/i2c/aspeed_i2c.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/hw/i2c/aspeed_i2c.c b/hw/i2c/aspeed_i2c.c index 0e0cd5b..1556b2d 100644 --- a/hw/i2c/aspeed_i2c.c +++ b/hw/i2c/aspeed_i2c.c @@ -31,272 +31,6 @@ #include "hw/registerfields.h" #include "trace.h" -/* 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) - -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_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); -} - static inline void aspeed_i2c_bus_raise_interrupt(AspeedI2CBus *bus) { AspeedI2CClass *aic = ASPEED_I2C_GET_CLASS(bus->controller); |