| /* | |
| * 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 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 | |
| #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__ */ |