| /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| /* |
| * arch/arm/mach-prima2/include/mach/sirfsoc_usp.h |
| * |
| * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company. |
| */ |
| |
| #ifndef _SIRF_USP_H |
| #define _SIRF_USP_H |
| |
| /* USP Registers */ |
| #define USP_MODE1 0x00 |
| #define USP_MODE2 0x04 |
| #define USP_TX_FRAME_CTRL 0x08 |
| #define USP_RX_FRAME_CTRL 0x0C |
| #define USP_TX_RX_ENABLE 0x10 |
| #define USP_INT_ENABLE 0x14 |
| #define USP_INT_STATUS 0x18 |
| #define USP_PIN_IO_DATA 0x1C |
| #define USP_RISC_DSP_MODE 0x20 |
| #define USP_AYSNC_PARAM_REG 0x24 |
| #define USP_IRDA_X_MODE_DIV 0x28 |
| #define USP_SM_CFG 0x2C |
| #define USP_TX_DMA_IO_CTRL 0x100 |
| #define USP_TX_DMA_IO_LEN 0x104 |
| #define USP_TX_FIFO_CTRL 0x108 |
| #define USP_TX_FIFO_LEVEL_CHK 0x10C |
| #define USP_TX_FIFO_OP 0x110 |
| #define USP_TX_FIFO_STATUS 0x114 |
| #define USP_TX_FIFO_DATA 0x118 |
| #define USP_RX_DMA_IO_CTRL 0x120 |
| #define USP_RX_DMA_IO_LEN 0x124 |
| #define USP_RX_FIFO_CTRL 0x128 |
| #define USP_RX_FIFO_LEVEL_CHK 0x12C |
| #define USP_RX_FIFO_OP 0x130 |
| #define USP_RX_FIFO_STATUS 0x134 |
| #define USP_RX_FIFO_DATA 0x138 |
| |
| /* USP MODE register-1 */ |
| #define USP_SYNC_MODE 0x00000001 |
| #define USP_CLOCK_MODE_SLAVE 0x00000002 |
| #define USP_LOOP_BACK_EN 0x00000004 |
| #define USP_HPSIR_EN 0x00000008 |
| #define USP_ENDIAN_CTRL_LSBF 0x00000010 |
| #define USP_EN 0x00000020 |
| #define USP_RXD_ACT_EDGE_FALLING 0x00000040 |
| #define USP_TXD_ACT_EDGE_FALLING 0x00000080 |
| #define USP_RFS_ACT_LEVEL_LOGIC1 0x00000100 |
| #define USP_TFS_ACT_LEVEL_LOGIC1 0x00000200 |
| #define USP_SCLK_IDLE_MODE_TOGGLE 0x00000400 |
| #define USP_SCLK_IDLE_LEVEL_LOGIC1 0x00000800 |
| #define USP_SCLK_PIN_MODE_IO 0x00001000 |
| #define USP_RFS_PIN_MODE_IO 0x00002000 |
| #define USP_TFS_PIN_MODE_IO 0x00004000 |
| #define USP_RXD_PIN_MODE_IO 0x00008000 |
| #define USP_TXD_PIN_MODE_IO 0x00010000 |
| #define USP_SCLK_IO_MODE_INPUT 0x00020000 |
| #define USP_RFS_IO_MODE_INPUT 0x00040000 |
| #define USP_TFS_IO_MODE_INPUT 0x00080000 |
| #define USP_RXD_IO_MODE_INPUT 0x00100000 |
| #define USP_TXD_IO_MODE_INPUT 0x00200000 |
| #define USP_IRDA_WIDTH_DIV_MASK 0x3FC00000 |
| #define USP_IRDA_WIDTH_DIV_OFFSET 0 |
| #define USP_IRDA_IDLE_LEVEL_HIGH 0x40000000 |
| #define USP_TX_UFLOW_REPEAT_ZERO 0x80000000 |
| #define USP_TX_ENDIAN_MODE 0x00000020 |
| #define USP_RX_ENDIAN_MODE 0x00000020 |
| |
| /* USP Mode Register-2 */ |
| #define USP_RXD_DELAY_LEN_MASK 0x000000FF |
| #define USP_RXD_DELAY_LEN_OFFSET 0 |
| |
| #define USP_TXD_DELAY_LEN_MASK 0x0000FF00 |
| #define USP_TXD_DELAY_LEN_OFFSET 8 |
| |
| #define USP_ENA_CTRL_MODE 0x00010000 |
| #define USP_FRAME_CTRL_MODE 0x00020000 |
| #define USP_TFS_SOURCE_MODE 0x00040000 |
| #define USP_TFS_MS_MODE 0x00080000 |
| #define USP_CLK_DIVISOR_MASK 0x7FE00000 |
| #define USP_CLK_DIVISOR_OFFSET 21 |
| |
| #define USP_TFS_CLK_SLAVE_MODE (1<<20) |
| #define USP_RFS_CLK_SLAVE_MODE (1<<19) |
| |
| #define USP_IRDA_DATA_WIDTH 0x80000000 |
| |
| /* USP Transmit Frame Control Register */ |
| |
| #define USP_TXC_DATA_LEN_MASK 0x000000FF |
| #define USP_TXC_DATA_LEN_OFFSET 0 |
| |
| #define USP_TXC_SYNC_LEN_MASK 0x0000FF00 |
| #define USP_TXC_SYNC_LEN_OFFSET 8 |
| |
| #define USP_TXC_FRAME_LEN_MASK 0x00FF0000 |
| #define USP_TXC_FRAME_LEN_OFFSET 16 |
| |
| #define USP_TXC_SHIFTER_LEN_MASK 0x1F000000 |
| #define USP_TXC_SHIFTER_LEN_OFFSET 24 |
| |
| #define USP_TXC_SLAVE_CLK_SAMPLE 0x20000000 |
| |
| #define USP_TXC_CLK_DIVISOR_MASK 0xC0000000 |
| #define USP_TXC_CLK_DIVISOR_OFFSET 30 |
| |
| /* USP Receive Frame Control Register */ |
| |
| #define USP_RXC_DATA_LEN_MASK 0x000000FF |
| #define USP_RXC_DATA_LEN_OFFSET 0 |
| |
| #define USP_RXC_FRAME_LEN_MASK 0x0000FF00 |
| #define USP_RXC_FRAME_LEN_OFFSET 8 |
| |
| #define USP_RXC_SHIFTER_LEN_MASK 0x001F0000 |
| #define USP_RXC_SHIFTER_LEN_OFFSET 16 |
| |
| #define USP_START_EDGE_MODE 0x00800000 |
| #define USP_I2S_SYNC_CHG 0x00200000 |
| |
| #define USP_RXC_CLK_DIVISOR_MASK 0x0F000000 |
| #define USP_RXC_CLK_DIVISOR_OFFSET 24 |
| #define USP_SINGLE_SYNC_MODE 0x00400000 |
| |
| /* Tx - RX Enable Register */ |
| |
| #define USP_RX_ENA 0x00000001 |
| #define USP_TX_ENA 0x00000002 |
| |
| /* USP Interrupt Enable and status Register */ |
| #define USP_RX_DONE_INT 0x00000001 |
| #define USP_TX_DONE_INT 0x00000002 |
| #define USP_RX_OFLOW_INT 0x00000004 |
| #define USP_TX_UFLOW_INT 0x00000008 |
| #define USP_RX_IO_DMA_INT 0x00000010 |
| #define USP_TX_IO_DMA_INT 0x00000020 |
| #define USP_RXFIFO_FULL_INT 0x00000040 |
| #define USP_TXFIFO_EMPTY_INT 0x00000080 |
| #define USP_RXFIFO_THD_INT 0x00000100 |
| #define USP_TXFIFO_THD_INT 0x00000200 |
| #define USP_UART_FRM_ERR_INT 0x00000400 |
| #define USP_RX_TIMEOUT_INT 0x00000800 |
| #define USP_TX_ALLOUT_INT 0x00001000 |
| #define USP_RXD_BREAK_INT 0x00008000 |
| |
| /* All possible TX interruots */ |
| #define USP_TX_INTERRUPT (USP_TX_DONE_INT|USP_TX_UFLOW_INT|\ |
| USP_TX_IO_DMA_INT|\ |
| USP_TXFIFO_EMPTY_INT|\ |
| USP_TXFIFO_THD_INT) |
| /* All possible RX interruots */ |
| #define USP_RX_INTERRUPT (USP_RX_DONE_INT|USP_RX_OFLOW_INT|\ |
| USP_RX_IO_DMA_INT|\ |
| USP_RXFIFO_FULL_INT|\ |
| USP_RXFIFO_THD_INT|\ |
| USP_RX_TIMEOUT_INT) |
| |
| #define USP_INT_ALL 0x1FFF |
| |
| /* USP Pin I/O Data Register */ |
| |
| #define USP_RFS_PIN_VALUE_MASK 0x00000001 |
| #define USP_TFS_PIN_VALUE_MASK 0x00000002 |
| #define USP_RXD_PIN_VALUE_MASK 0x00000004 |
| #define USP_TXD_PIN_VALUE_MASK 0x00000008 |
| #define USP_SCLK_PIN_VALUE_MASK 0x00000010 |
| |
| /* USP RISC/DSP Mode Register */ |
| #define USP_RISC_DSP_SEL 0x00000001 |
| |
| /* USP ASYNC PARAMETER Register*/ |
| |
| #define USP_ASYNC_TIMEOUT_MASK 0x0000FFFF |
| #define USP_ASYNC_TIMEOUT_OFFSET 0 |
| #define USP_ASYNC_TIMEOUT(x) (((x)&USP_ASYNC_TIMEOUT_MASK) \ |
| <<USP_ASYNC_TIMEOUT_OFFSET) |
| |
| #define USP_ASYNC_DIV2_MASK 0x003F0000 |
| #define USP_ASYNC_DIV2_OFFSET 16 |
| |
| /* USP TX DMA I/O MODE Register */ |
| #define USP_TX_MODE_IO 0x00000001 |
| |
| /* USP TX DMA I/O Length Register */ |
| #define USP_TX_DATA_LEN_MASK 0xFFFFFFFF |
| #define USP_TX_DATA_LEN_OFFSET 0 |
| |
| /* USP TX FIFO Control Register */ |
| #define USP_TX_FIFO_WIDTH_MASK 0x00000003 |
| #define USP_TX_FIFO_WIDTH_OFFSET 0 |
| |
| #define USP_TX_FIFO_THD_MASK 0x000001FC |
| #define USP_TX_FIFO_THD_OFFSET 2 |
| |
| /* USP TX FIFO Level Check Register */ |
| #define USP_TX_FIFO_LEVEL_CHECK_MASK 0x1F |
| #define USP_TX_FIFO_SC_OFFSET 0 |
| #define USP_TX_FIFO_LC_OFFSET 10 |
| #define USP_TX_FIFO_HC_OFFSET 20 |
| |
| #define TX_FIFO_SC(x) (((x) & USP_TX_FIFO_LEVEL_CHECK_MASK) \ |
| << USP_TX_FIFO_SC_OFFSET) |
| #define TX_FIFO_LC(x) (((x) & USP_TX_FIFO_LEVEL_CHECK_MASK) \ |
| << USP_TX_FIFO_LC_OFFSET) |
| #define TX_FIFO_HC(x) (((x) & USP_TX_FIFO_LEVEL_CHECK_MASK) \ |
| << USP_TX_FIFO_HC_OFFSET) |
| |
| /* USP TX FIFO Operation Register */ |
| #define USP_TX_FIFO_RESET 0x00000001 |
| #define USP_TX_FIFO_START 0x00000002 |
| |
| /* USP TX FIFO Status Register */ |
| #define USP_TX_FIFO_LEVEL_MASK 0x0000007F |
| #define USP_TX_FIFO_LEVEL_OFFSET 0 |
| |
| #define USP_TX_FIFO_FULL 0x00000080 |
| #define USP_TX_FIFO_EMPTY 0x00000100 |
| |
| /* USP TX FIFO Data Register */ |
| #define USP_TX_FIFO_DATA_MASK 0xFFFFFFFF |
| #define USP_TX_FIFO_DATA_OFFSET 0 |
| |
| /* USP RX DMA I/O MODE Register */ |
| #define USP_RX_MODE_IO 0x00000001 |
| #define USP_RX_DMA_FLUSH 0x00000004 |
| |
| /* USP RX DMA I/O Length Register */ |
| #define USP_RX_DATA_LEN_MASK 0xFFFFFFFF |
| #define USP_RX_DATA_LEN_OFFSET 0 |
| |
| /* USP RX FIFO Control Register */ |
| #define USP_RX_FIFO_WIDTH_MASK 0x00000003 |
| #define USP_RX_FIFO_WIDTH_OFFSET 0 |
| |
| #define USP_RX_FIFO_THD_MASK 0x000001FC |
| #define USP_RX_FIFO_THD_OFFSET 2 |
| |
| /* USP RX FIFO Level Check Register */ |
| |
| #define USP_RX_FIFO_LEVEL_CHECK_MASK 0x1F |
| #define USP_RX_FIFO_SC_OFFSET 0 |
| #define USP_RX_FIFO_LC_OFFSET 10 |
| #define USP_RX_FIFO_HC_OFFSET 20 |
| |
| #define RX_FIFO_SC(x) (((x) & USP_RX_FIFO_LEVEL_CHECK_MASK) \ |
| << USP_RX_FIFO_SC_OFFSET) |
| #define RX_FIFO_LC(x) (((x) & USP_RX_FIFO_LEVEL_CHECK_MASK) \ |
| << USP_RX_FIFO_LC_OFFSET) |
| #define RX_FIFO_HC(x) (((x) & USP_RX_FIFO_LEVEL_CHECK_MASK) \ |
| << USP_RX_FIFO_HC_OFFSET) |
| |
| /* USP RX FIFO Operation Register */ |
| #define USP_RX_FIFO_RESET 0x00000001 |
| #define USP_RX_FIFO_START 0x00000002 |
| |
| /* USP RX FIFO Status Register */ |
| |
| #define USP_RX_FIFO_LEVEL_MASK 0x0000007F |
| #define USP_RX_FIFO_LEVEL_OFFSET 0 |
| |
| #define USP_RX_FIFO_FULL 0x00000080 |
| #define USP_RX_FIFO_EMPTY 0x00000100 |
| |
| /* USP RX FIFO Data Register */ |
| |
| #define USP_RX_FIFO_DATA_MASK 0xFFFFFFFF |
| #define USP_RX_FIFO_DATA_OFFSET 0 |
| |
| /* |
| * When rx thd irq occur, sender just disable tx empty irq, |
| * Remaining data in tx fifo wil also be sent out. |
| */ |
| #define USP_FIFO_SIZE 128 |
| #define USP_TX_FIFO_THRESHOLD (USP_FIFO_SIZE/2) |
| #define USP_RX_FIFO_THRESHOLD (USP_FIFO_SIZE/2) |
| |
| /* FIFO_WIDTH for the USP_TX_FIFO_CTRL and USP_RX_FIFO_CTRL registers */ |
| #define USP_FIFO_WIDTH_BYTE 0x00 |
| #define USP_FIFO_WIDTH_WORD 0x01 |
| #define USP_FIFO_WIDTH_DWORD 0x02 |
| |
| #define USP_ASYNC_DIV2 16 |
| |
| #define USP_PLUGOUT_RETRY_CNT 2 |
| |
| #define USP_TX_RX_FIFO_WIDTH_DWORD 2 |
| |
| #define SIRF_USP_DIV_MCLK 0 |
| |
| #define SIRF_USP_I2S_TFS_SYNC 0 |
| #define SIRF_USP_I2S_RFS_SYNC 1 |
| #endif |
