/* * 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 mask bits */ #define MPC52xx_PSC_IMR_TXRDY 0x0100 #define MPC52xx_PSC_IMR_RXRDY 0x0200 #define MPC52xx_PSC_IMR_DB 0x0400 #define MPC52xx_PSC_IMR_IPC 0x8000 /* PSC input port change bit */ #define MPC52xx_PSC_CTS 0x01 #define MPC52xx_PSC_DCD 0x02 #define MPC52xx_PSC_D_CTS 0x10 #define MPC52xx_PSC_D_DCD 0x20 /* 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_RFNUM_MASK 0x01ff /* 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]; u16 ccr; /* PSC + 0x20 */ u8 reserved7[14]; 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]; 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 */ }; #endif /* __ASM_MPC52xx_PSC_H__ */