/* * include/asm-ppc/mpc52xx_psc.h * * Definitions of consts/structs to drive the Freescale MPC52xx OnChip * PSCs. Theses are shared between multiple drivers since a PSC can be * UART, AC97, IR, I2S, ... So this header is in asm-ppc. * * * Maintainer : Sylvain Munaut <tnt@246tNt.com> * * Based/Extracted from some header of the 2.4 originally written by * Dale Farnsworth <dfarnsworth@mvista.com> * * Copyright (C) 2004 Sylvain Munaut <tnt@246tNt.com> * Copyright (C) 2003 MontaVista, Software, Inc. * * This file is licensed under the terms of the GNU General Public License * version 2. This program is licensed "as is" without any warranty of any * kind, whether express or implied. */ #ifndef __ASM_MPC52xx_PSC_H__ #define __ASM_MPC52xx_PSC_H__ #include <asm/types.h> /* Max number of PSCs */ #define MPC52xx_PSC_MAXNUM 6 /* Programmable Serial Controller (PSC) status register bits */ #define MPC52xx_PSC_SR_CDE 0x0080 #define MPC52xx_PSC_SR_RXRDY 0x0100 #define MPC52xx_PSC_SR_RXFULL 0x0200 #define MPC52xx_PSC_SR_TXRDY 0x0400 #define MPC52xx_PSC_SR_TXEMP 0x0800 #define MPC52xx_PSC_SR_OE 0x1000 #define MPC52xx_PSC_SR_PE 0x2000 #define MPC52xx_PSC_SR_FE 0x4000 #define MPC52xx_PSC_SR_RB 0x8000 /* PSC Command values */ #define MPC52xx_PSC_RX_ENABLE 0x0001 #define MPC52xx_PSC_RX_DISABLE 0x0002 #define MPC52xx_PSC_TX_ENABLE 0x0004 #define MPC52xx_PSC_TX_DISABLE 0x0008 #define MPC52xx_PSC_SEL_MODE_REG_1 0x0010 #define MPC52xx_PSC_RST_RX 0x0020 #define MPC52xx_PSC_RST_TX 0x0030 #define MPC52xx_PSC_RST_ERR_STAT 0x0040 #define MPC52xx_PSC_RST_BRK_CHG_INT 0x0050 #define MPC52xx_PSC_START_BRK 0x0060 #define MPC52xx_PSC_STOP_BRK 0x0070 /* PSC TxRx FIFO status bits */ #define MPC52xx_PSC_RXTX_FIFO_ERR 0x0040 #define MPC52xx_PSC_RXTX_FIFO_UF 0x0020 #define MPC52xx_PSC_RXTX_FIFO_OF 0x0010 #define MPC52xx_PSC_RXTX_FIFO_FR 0x0008 #define MPC52xx_PSC_RXTX_FIFO_FULL 0x0004 #define MPC52xx_PSC_RXTX_FIFO_ALARM 0x0002 #define MPC52xx_PSC_RXTX_FIFO_EMPTY 0x0001 /* PSC interrupt status/mask bits */ #define MPC52xx_PSC_IMR_TXRDY 0x0100 #define MPC52xx_PSC_IMR_RXRDY 0x0200 #define MPC52xx_PSC_IMR_DB 0x0400 #define MPC52xx_PSC_IMR_TXEMP 0x0800 #define MPC52xx_PSC_IMR_ORERR 0x1000 #define MPC52xx_PSC_IMR_IPC 0x8000 /* PSC input port change bits */ #define MPC52xx_PSC_CTS 0x01 #define MPC52xx_PSC_DCD 0x02 #define MPC52xx_PSC_D_CTS 0x10 #define MPC52xx_PSC_D_DCD 0x20 /* PSC acr bits */ #define MPC52xx_PSC_IEC_CTS 0x01 #define MPC52xx_PSC_IEC_DCD 0x02 /* PSC output port bits */ #define MPC52xx_PSC_OP_RTS 0x01 #define MPC52xx_PSC_OP_RES 0x02 /* PSC mode fields */ #define MPC52xx_PSC_MODE_5_BITS 0x00 #define MPC52xx_PSC_MODE_6_BITS 0x01 #define MPC52xx_PSC_MODE_7_BITS 0x02 #define MPC52xx_PSC_MODE_8_BITS 0x03 #define MPC52xx_PSC_MODE_BITS_MASK 0x03 #define MPC52xx_PSC_MODE_PAREVEN 0x00 #define MPC52xx_PSC_MODE_PARODD 0x04 #define MPC52xx_PSC_MODE_PARFORCE 0x08 #define MPC52xx_PSC_MODE_PARNONE 0x10 #define MPC52xx_PSC_MODE_ERR 0x20 #define MPC52xx_PSC_MODE_FFULL 0x40 #define MPC52xx_PSC_MODE_RXRTS 0x80 #define MPC52xx_PSC_MODE_ONE_STOP_5_BITS 0x00 #define MPC52xx_PSC_MODE_ONE_STOP 0x07 #define MPC52xx_PSC_MODE_TWO_STOP 0x0f #define MPC52xx_PSC_MODE_TXCTS 0x10 #define MPC52xx_PSC_RFNUM_MASK 0x01ff #define MPC52xx_PSC_SICR_DTS1 (1 << 29) #define MPC52xx_PSC_SICR_SHDR (1 << 28) #define MPC52xx_PSC_SICR_SIM_MASK (0xf << 24) #define MPC52xx_PSC_SICR_SIM_UART (0x0 << 24) #define MPC52xx_PSC_SICR_SIM_UART_DCD (0x8 << 24) #define MPC52xx_PSC_SICR_SIM_CODEC_8 (0x1 << 24) #define MPC52xx_PSC_SICR_SIM_CODEC_16 (0x2 << 24) #define MPC52xx_PSC_SICR_SIM_AC97 (0x3 << 24) #define MPC52xx_PSC_SICR_SIM_SIR (0x8 << 24) #define MPC52xx_PSC_SICR_SIM_SIR_DCD (0xc << 24) #define MPC52xx_PSC_SICR_SIM_MIR (0x5 << 24) #define MPC52xx_PSC_SICR_SIM_FIR (0x6 << 24) #define MPC52xx_PSC_SICR_SIM_CODEC_24 (0x7 << 24) #define MPC52xx_PSC_SICR_SIM_CODEC_32 (0xf << 24) #define MPC52xx_PSC_SICR_GENCLK (1 << 23) #define MPC52xx_PSC_SICR_I2S (1 << 22) #define MPC52xx_PSC_SICR_CLKPOL (1 << 21) #define MPC52xx_PSC_SICR_SYNCPOL (1 << 20) #define MPC52xx_PSC_SICR_CELLSLAVE (1 << 19) #define MPC52xx_PSC_SICR_CELL2XCLK (1 << 18) #define MPC52xx_PSC_SICR_ESAI (1 << 17) #define MPC52xx_PSC_SICR_ENAC97 (1 << 16) #define MPC52xx_PSC_SICR_SPI (1 << 15) #define MPC52xx_PSC_SICR_MSTR (1 << 14) #define MPC52xx_PSC_SICR_CPOL (1 << 13) #define MPC52xx_PSC_SICR_CPHA (1 << 12) #define MPC52xx_PSC_SICR_USEEOF (1 << 11) #define MPC52xx_PSC_SICR_DISABLEEOF (1 << 10) /* Structure of the hardware registers */ struct mpc52xx_psc { u8 mode; /* PSC + 0x00 */ u8 reserved0[3]; union { /* PSC + 0x04 */ u16 status; u16 clock_select; } sr_csr; #define mpc52xx_psc_status sr_csr.status #define mpc52xx_psc_clock_select sr_csr.clock_select u16 reserved1; u8 command; /* PSC + 0x08 */ u8 reserved2[3]; union { /* PSC + 0x0c */ u8 buffer_8; u16 buffer_16; u32 buffer_32; } buffer; #define mpc52xx_psc_buffer_8 buffer.buffer_8 #define mpc52xx_psc_buffer_16 buffer.buffer_16 #define mpc52xx_psc_buffer_32 buffer.buffer_32 union { /* PSC + 0x10 */ u8 ipcr; u8 acr; } ipcr_acr; #define mpc52xx_psc_ipcr ipcr_acr.ipcr #define mpc52xx_psc_acr ipcr_acr.acr u8 reserved3[3]; union { /* PSC + 0x14 */ u16 isr; u16 imr; } isr_imr; #define mpc52xx_psc_isr isr_imr.isr #define mpc52xx_psc_imr isr_imr.imr u16 reserved4; u8 ctur; /* PSC + 0x18 */ u8 reserved5[3]; u8 ctlr; /* PSC + 0x1c */ u8 reserved6[3]; /* BitClkDiv field of CCR is byte swapped in * the hardware for mpc5200/b compatibility */ u32 ccr; /* PSC + 0x20 */ u32 ac97_slots; /* PSC + 0x24 */ u32 ac97_cmd; /* PSC + 0x28 */ u32 ac97_data; /* PSC + 0x2c */ u8 ivr; /* PSC + 0x30 */ u8 reserved8[3]; u8 ip; /* PSC + 0x34 */ u8 reserved9[3]; u8 op1; /* PSC + 0x38 */ u8 reserved10[3]; u8 op0; /* PSC + 0x3c */ u8 reserved11[3]; u32 sicr; /* PSC + 0x40 */ u8 ircr1; /* PSC + 0x44 */ u8 reserved13[3]; u8 ircr2; /* PSC + 0x44 */ u8 reserved14[3]; u8 irsdr; /* PSC + 0x4c */ u8 reserved15[3]; u8 irmdr; /* PSC + 0x50 */ u8 reserved16[3]; u8 irfdr; /* PSC + 0x54 */ u8 reserved17[3]; }; struct mpc52xx_psc_fifo { u16 rfnum; /* PSC + 0x58 */ u16 reserved18; u16 tfnum; /* PSC + 0x5c */ u16 reserved19; u32 rfdata; /* PSC + 0x60 */ u16 rfstat; /* PSC + 0x64 */ u16 reserved20; u8 rfcntl; /* PSC + 0x68 */ u8 reserved21[5]; u16 rfalarm; /* PSC + 0x6e */ u16 reserved22; u16 rfrptr; /* PSC + 0x72 */ u16 reserved23; u16 rfwptr; /* PSC + 0x76 */ u16 reserved24; u16 rflrfptr; /* PSC + 0x7a */ u16 reserved25; u16 rflwfptr; /* PSC + 0x7e */ u32 tfdata; /* PSC + 0x80 */ u16 tfstat; /* PSC + 0x84 */ u16 reserved26; u8 tfcntl; /* PSC + 0x88 */ u8 reserved27[5]; u16 tfalarm; /* PSC + 0x8e */ u16 reserved28; u16 tfrptr; /* PSC + 0x92 */ u16 reserved29; u16 tfwptr; /* PSC + 0x96 */ u16 reserved30; u16 tflrfptr; /* PSC + 0x9a */ u16 reserved31; u16 tflwfptr; /* PSC + 0x9e */ }; #define MPC512x_PSC_FIFO_RESET_SLICE 0x80 #define MPC512x_PSC_FIFO_ENABLE_SLICE 0x01 #define MPC512x_PSC_FIFO_ENABLE_DMA 0x04 #define MPC512x_PSC_FIFO_EMPTY 0x1 #define MPC512x_PSC_FIFO_FULL 0x2 #define MPC512x_PSC_FIFO_ALARM 0x4 #define MPC512x_PSC_FIFO_URERR 0x8 #define MPC512x_PSC_FIFO_ORERR 0x01 #define MPC512x_PSC_FIFO_MEMERROR 0x02 struct mpc512x_psc_fifo { u32 reserved1[10]; u32 txcmd; /* PSC + 0x80 */ u32 txalarm; /* PSC + 0x84 */ u32 txsr; /* PSC + 0x88 */ u32 txisr; /* PSC + 0x8c */ u32 tximr; /* PSC + 0x90 */ u32 txcnt; /* PSC + 0x94 */ u32 txptr; /* PSC + 0x98 */ u32 txsz; /* PSC + 0x9c */ u32 reserved2[7]; union { u8 txdata_8; u16 txdata_16; u32 txdata_32; } txdata; /* PSC + 0xbc */ #define txdata_8 txdata.txdata_8 #define txdata_16 txdata.txdata_16 #define txdata_32 txdata.txdata_32 u32 rxcmd; /* PSC + 0xc0 */ u32 rxalarm; /* PSC + 0xc4 */ u32 rxsr; /* PSC + 0xc8 */ u32 rxisr; /* PSC + 0xcc */ u32 rximr; /* PSC + 0xd0 */ u32 rxcnt; /* PSC + 0xd4 */ u32 rxptr; /* PSC + 0xd8 */ u32 rxsz; /* PSC + 0xdc */ u32 reserved3[7]; union { u8 rxdata_8; u16 rxdata_16; u32 rxdata_32; } rxdata; /* PSC + 0xfc */ #define rxdata_8 rxdata.rxdata_8 #define rxdata_16 rxdata.rxdata_16 #define rxdata_32 rxdata.rxdata_32 }; #endif /* __ASM_MPC52xx_PSC_H__ */