diff options
Diffstat (limited to 'arch/powerpc/include/asm/mpc52xx_psc.h')
| -rw-r--r-- | arch/powerpc/include/asm/mpc52xx_psc.h | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/mpc52xx_psc.h b/arch/powerpc/include/asm/mpc52xx_psc.h new file mode 100644 index 00000000000..8917ed63056 --- /dev/null +++ b/arch/powerpc/include/asm/mpc52xx_psc.h @@ -0,0 +1,276 @@ +/* + * 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__ */ |