| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2003-2009, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: bcmuart.h $ |
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| 11 | * $brcm_Revision: Hydra_Software_Devel/15 $ |
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| 12 | * $brcm_Date: 9/9/09 6:46p $ |
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| 13 | * |
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| 14 | * Module Description: Definitions for UART block |
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| 15 | * |
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| 16 | * Revision History: |
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| 17 | * |
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| 18 | * $brcm_Log: /rockford/bsp/bcm97401/common/bcmuart.h $ |
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| 19 | * |
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| 20 | * Hydra_Software_Devel/15 9/9/09 6:46p agin |
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| 21 | * SWNOOS-369: Adapt for 7340 and 7342. |
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| 22 | * |
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| 23 | * Hydra_Software_Devel/14 5/20/08 2:16p rjlewis |
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| 24 | * PR42856: updated for 97335 support. |
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| 25 | * |
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| 26 | * Hydra_Software_Devel/13 4/4/08 3:24p brianlee |
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| 27 | * PR18303: 7325 does not have uart C. |
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| 28 | * |
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| 29 | * Hydra_Software_Devel/12 12/6/07 3:19p farshidf |
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| 30 | * PR37975: 7335 No os |
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| 31 | * |
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| 32 | * Hydra_Software_Devel/11 10/14/07 1:09p jkim |
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| 33 | * PR14344: Add 7325 support |
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| 34 | * |
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| 35 | * Hydra_Software_Devel/10 7/3/07 2:45p jkim |
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| 36 | * PR14344: Add soap server support for 7405 |
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| 37 | * |
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| 38 | * Hydra_Software_Devel/9 5/17/07 7:03p jkim |
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| 39 | * PR14344: Adding 7405 support |
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| 40 | * |
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| 41 | * Hydra_Software_Devel/8 4/9/07 6:26p agin |
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| 42 | * PR28241: Support GHS. |
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| 43 | * |
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| 44 | * Hydra_Software_Devel/7 7/19/06 11:09a jkim |
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| 45 | * PR14344: Use (BCHP_VER >= BCHP_VER_B0) instead of (BCHP_REV_B0==1) |
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| 46 | * |
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| 47 | * Hydra_Software_Devel/6 6/27/06 2:02p garylin |
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| 48 | * PR14344: fix comment for vxWorks |
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| 49 | * |
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| 50 | * Hydra_Software_Devel/5 6/21/06 9:53a jkim |
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| 51 | * PR14344: Add support for B0 |
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| 52 | * |
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| 53 | * Hydra_Software_Devel/4 1/30/06 1:22p agin |
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| 54 | * PR19313: Use Uart0 as default for BCM97400. |
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| 55 | * |
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| 56 | * Hydra_Software_Devel/3 1/16/06 6:23p agin |
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| 57 | * PR19076: Support BCM7400. |
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| 58 | * |
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| 59 | ***************************************************************************/ |
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| 60 | #ifndef _BCMUART_H |
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| 61 | #define _BCMUART_H |
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| 62 | #if 0 |
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| 63 | #include "bcmmips.h" |
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| 64 | #include "boardcfg.h" |
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| 65 | #else |
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| 66 | #define BCM_PHYS_TO_K1(x) ((x) | 0xa0000000) |
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| 67 | #endif |
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| 68 | #include "bchp_common.h" |
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| 69 | #include "bchp_uarta.h" |
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| 70 | #include "bchp_uartb.h" |
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| 71 | |
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| 72 | #if BCHP_CHIP != 7325 |
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| 73 | #include "bchp_uartc.h" |
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| 74 | #endif |
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| 75 | |
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| 76 | #if !defined _ASMLANGUAGE |
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| 77 | #if __cplusplus |
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| 78 | extern "C" { |
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| 79 | #endif |
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| 80 | #endif |
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| 81 | |
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| 82 | /* UART register base addresses */ |
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| 83 | #if BCHP_CHIP==7400 || BCHP_CHIP==7405 || BCHP_CHIP==7325 || BCHP_CHIP == 7335 || BCHP_CHIP==7340 || BCHP_CHIP==7342 || BCHP_CHIP==7550 || BCHP_CHIP==7552 |
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| 84 | #define UARTA_ADR_BASE BCM_PHYS_TO_K1(BCHP_PHYSICAL_OFFSET+BCHP_UARTA_RBR) |
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| 85 | #define UARTB_ADR_BASE BCM_PHYS_TO_K1(BCHP_PHYSICAL_OFFSET+BCHP_UARTB_RBR) |
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| 86 | #define UARTC_ADR_BASE BCM_PHYS_TO_K1(BCHP_PHYSICAL_OFFSET+BCHP_UARTC_RBR) |
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| 87 | #else |
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| 88 | #define UARTA_ADR_BASE BCM_PHYS_TO_K1(BCHP_PHYSICAL_OFFSET+BCHP_UARTA_RCVSTAT) |
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| 89 | #define UARTB_ADR_BASE BCM_PHYS_TO_K1(BCHP_PHYSICAL_OFFSET+BCHP_UARTB_RCVSTAT) |
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| 90 | #if (BCHP_VER >= BCHP_VER_B0) || (BCHP_CHIP==7552) |
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| 91 | /* B0 UARTC has changed to one like 7400 */ |
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| 92 | #define UARTC_ADR_BASE BCM_PHYS_TO_K1(BCHP_PHYSICAL_OFFSET+BCHP_UARTC_RBR) |
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| 93 | #else |
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| 94 | #define UARTC_ADR_BASE BCM_PHYS_TO_K1(BCHP_PHYSICAL_OFFSET+BCHP_UARTC_RCVSTAT) |
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| 95 | #endif |
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| 96 | #endif |
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| 97 | |
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| 98 | /* Define console using UART_ADR_BASE here. Console could be UARTB or UARTC for 7401. |
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| 99 | * No other files need to be modified for SDE. |
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| 100 | */ |
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| 101 | #if BCHP_CHIP==7400 || BCHP_CHIP==7405 || BCHP_CHIP==7325 || BCHP_CHIP == 7335 || BCHP_CHIP==7340 || BCHP_CHIP==7342 || BCHP_CHIP==7550 || BCHP_CHIP==7552 |
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| 102 | #define UART_ADR_BASE UARTA_ADR_BASE |
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| 103 | #ifdef GHS |
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| 104 | #define console_out uarta_out |
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| 105 | #else |
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| 106 | #define console_out _writeasm |
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| 107 | #endif |
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| 108 | #else |
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| 109 | #define UART_ADR_BASE UARTB_ADR_BASE |
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| 110 | #define console_out uartb_out |
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| 111 | #endif |
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| 112 | |
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| 113 | #if BCHP_CHIP==7400 || BCHP_CHIP==7405 || BCHP_CHIP==7325 || BCHP_CHIP==7335 || BCHP_CHIP==7340 || BCHP_CHIP==7342 || BCHP_CHIP==7550 || BCHP_CHIP==7552 |
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| 114 | |
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| 115 | /* UART registers */ |
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| 116 | #define UART_SDW_RBR 0x00 |
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| 117 | #define UART_SDW_THR 0x00 |
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| 118 | #define UART_SDW_DLL 0x00 |
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| 119 | #define UART_SDW_DLH 0x04 |
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| 120 | #define UART_SDW_IER 0x04 |
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| 121 | #define UART_SDW_IIR 0x08 |
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| 122 | #define UART_SDW_FCR 0x08 |
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| 123 | #define UART_SDW_LCR 0x0c |
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| 124 | #define UART_SDW_MCR 0x10 |
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| 125 | #define UART_SDW_LSR 0x14 |
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| 126 | #define UART_SDW_MSR 0x18 |
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| 127 | #define UART_SDW_SCR 0x1c |
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| 128 | |
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| 129 | #else |
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| 130 | |
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| 131 | /* used for UARTA and UARTB */ |
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| 132 | #define UART_RXSTAT 0x00 |
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| 133 | #define UART_RXDATA 0x04 |
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| 134 | #define UART_CONTROL 0x0c |
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| 135 | #define UART_BAUDHI 0x10 |
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| 136 | #define UART_BAUDLO 0x14 |
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| 137 | #define UART_TXSTAT 0x18 |
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| 138 | #define UART_TXDATA 0x1c |
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| 139 | |
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| 140 | /* used for UARTC */ |
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| 141 | #define UART_SDW_RBR 0x00 |
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| 142 | #define UART_SDW_THR 0x00 |
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| 143 | #define UART_SDW_DLL 0x00 |
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| 144 | #define UART_SDW_DLH 0x04 |
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| 145 | #define UART_SDW_IER 0x04 |
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| 146 | #define UART_SDW_IIR 0x08 |
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| 147 | #define UART_SDW_FCR 0x08 |
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| 148 | #define UART_SDW_LCR 0x0c |
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| 149 | #define UART_SDW_MCR 0x10 |
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| 150 | #define UART_SDW_LSR 0x14 |
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| 151 | #define UART_SDW_MSR 0x18 |
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| 152 | #define UART_SDW_SCR 0x1c |
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| 153 | |
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| 154 | #endif |
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| 155 | |
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| 156 | /* LCR bit definitions */ |
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| 157 | |
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| 158 | #define DLAB 0x80 |
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| 159 | #define EPS 0x10 |
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| 160 | #define PEN 0x08 |
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| 161 | #define STOP 0x04 |
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| 162 | #define DLS8 0x03 |
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| 163 | #define DLS_8BITS 0x03 /* some common code uses this definition */ |
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| 164 | #define DLS7 0x02 |
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| 165 | #define DLS6 0x01 |
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| 166 | #define DLS5 0x00 |
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| 167 | |
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| 168 | /* LSR bit definitions */ |
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| 169 | #define RFE 0x80 |
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| 170 | #define TEMT 0x40 |
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| 171 | #define THRE 0x20 |
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| 172 | #define BI 0x10 |
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| 173 | #define FE 0x08 |
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| 174 | #define PE 0x04 |
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| 175 | #define OE 0x02 |
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| 176 | #define DR 0x01 |
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| 177 | |
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| 178 | /* IER bit definitions */ |
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| 179 | #define PTIME 0x80 |
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| 180 | #define ETBEI 0x02 |
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| 181 | #define ERBFI 0x01 |
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| 182 | |
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| 183 | /* FCR bit definition */ |
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| 184 | #define FIFOE 0x1 |
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| 185 | |
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| 186 | /* These boards don't have the old style uarts */ |
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| 187 | #if !(BCHP_CHIP==7400 || BCHP_CHIP==7405 || BCHP_CHIP==7325 || BCHP_CHIP==7335 || BCHP_CHIP==7340 || BCHP_CHIP==7342 || BCHP_CHIP==7550) || BCHP_CHIP==7552 |
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| 188 | |
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| 189 | /* RXSTAT bit definitions */ |
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| 190 | #define PARERR 0x20 |
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| 191 | #define FRAMEERR 0x10 |
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| 192 | #define OVERRUNERR 0x08 |
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| 193 | #define RXDATARDY 0x04 |
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| 194 | #define RXINTEN 0x02 |
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| 195 | |
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| 196 | /* CONTROL bit definitions */ |
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| 197 | #define BITM8 0x10 |
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| 198 | #define PAREN 0x08 |
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| 199 | #define TXEN 0x04 |
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| 200 | #define RXEN 0x02 |
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| 201 | #define PODD 0x01 |
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| 202 | |
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| 203 | /* TXSTAT bit definitions */ |
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| 204 | #define TXINTEN 0x04 |
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| 205 | #define TXIDLE 0x02 |
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| 206 | #define TXDREGEMT 0x01 |
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| 207 | |
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| 208 | #endif |
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| 209 | |
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| 210 | #if !defined _ASMLANGUAGE |
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| 211 | |
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| 212 | /********************************************************************** |
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| 213 | Uart Register Structure |
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| 214 | **********************************************************************/ |
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| 215 | #if BCHP_CHIP==7400 || BCHP_CHIP==7405 || BCHP_CHIP==7325 ||BCHP_CHIP == 7335 || BCHP_CHIP==7340 || BCHP_CHIP==7342 || BCHP_CHIP==7550 || BCHP_CHIP==7552 |
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| 216 | typedef struct UartChannel { |
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| 217 | volatile unsigned long sdw_rbr_thr_dll; /* 0x00 */ |
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| 218 | volatile unsigned long sdw_dlh_ier; /* 0x04 */ |
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| 219 | volatile unsigned long sdw_iir_fcr; /* 0x08 */ |
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| 220 | volatile unsigned long sdw_lcr; /* 0x0c */ |
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| 221 | volatile unsigned long sdw_mcr; /* 0x10 */ |
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| 222 | volatile unsigned long sdw_lsr; /* 0x14 */ |
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| 223 | volatile unsigned long sdw_msr; /* 0x18 */ |
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| 224 | volatile unsigned long sdw_scr; /* 0x1c */ |
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| 225 | } UartChannel; |
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| 226 | |
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| 227 | /* UartChannelNew is used by soap server. |
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| 228 | * define UartChannelNew the same as UartChannel |
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| 229 | */ |
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| 230 | typedef struct UartChannelNew { |
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| 231 | volatile unsigned long sdw_rbr_thr_dll; /* 0x00 */ |
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| 232 | volatile unsigned long sdw_dlh_ier; /* 0x04 */ |
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| 233 | volatile unsigned long sdw_iir_fcr; /* 0x08 */ |
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| 234 | volatile unsigned long sdw_lcr; /* 0x0c */ |
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| 235 | volatile unsigned long sdw_mcr; /* 0x10 */ |
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| 236 | volatile unsigned long sdw_lsr; /* 0x14 */ |
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| 237 | volatile unsigned long sdw_msr; /* 0x18 */ |
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| 238 | volatile unsigned long sdw_scr; /* 0x1c */ |
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| 239 | } UartChannelNew; /* Used for UARTC */ |
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| 240 | |
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| 241 | #else |
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| 242 | typedef struct UartChannelNew { |
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| 243 | volatile unsigned long sdw_rbr_thr_dll; /* 0x00 */ |
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| 244 | volatile unsigned long sdw_dlh_ier; /* 0x04 */ |
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| 245 | volatile unsigned long sdw_iir_fcr; /* 0x08 */ |
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| 246 | volatile unsigned long sdw_lcr; /* 0x0c */ |
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| 247 | volatile unsigned long sdw_mcr; /* 0x10 */ |
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| 248 | volatile unsigned long sdw_lsr; /* 0x14 */ |
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| 249 | volatile unsigned long sdw_msr; /* 0x18 */ |
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| 250 | volatile unsigned long sdw_scr; /* 0x1c */ |
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| 251 | } UartChannelNew; /* Used for UARTC */ |
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| 252 | |
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| 253 | typedef struct UartChannel { |
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| 254 | volatile unsigned long rxstat; |
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| 255 | volatile unsigned long rxdata; |
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| 256 | volatile unsigned long unused; |
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| 257 | volatile unsigned long control; |
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| 258 | volatile unsigned long baudh; |
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| 259 | /* When divide SysClk/2/(1+baudword) we should get 32*bit-rate */ |
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| 260 | volatile unsigned long baudl; |
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| 261 | volatile unsigned long txstat; |
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| 262 | volatile unsigned long txdata; |
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| 263 | } UartChannel; |
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| 264 | #endif |
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| 265 | |
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| 266 | #define UARTA ((volatile UartChannel *) UARTA_ADR_BASE) |
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| 267 | #define UARTB ((volatile UartChannel *) UARTB_ADR_BASE) |
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| 268 | #define UARTC ((volatile UartChannel *) UARTC_ADR_BASE) |
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| 269 | |
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| 270 | #define UART ((volatile UartChannel *) UART_ADR_BASE) |
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| 271 | |
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| 272 | |
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| 273 | #endif /* _ASMLANGUAGE */ |
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| 274 | |
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| 275 | #if !(BCHP_CHIP==7400 || BCHP_CHIP==7405 || BCHP_CHIP==7325 || BCHP_CHIP == 7335 || BCHP_CHIP==7340 || BCHP_CHIP==7342 || BCHP_CHIP==7550) || BCHP_CHIP==7552 |
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| 276 | /****************************************************************** |
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| 277 | * Baud Rate Table |
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| 278 | * XTALFREQ / baud rate / 16 |
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| 279 | ******************************************************************/ |
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| 280 | #define BAUD_VAL(x) (((XTALFREQ/8/(x) + 1)/2) - 1) |
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| 281 | #define BAUD_VAL_HI(x) ((BAUD_VAL(x) >> 8) & 0xff) |
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| 282 | #define BAUD_VAL_LO(x) (BAUD_VAL(x) & 0xff) |
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| 283 | |
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| 284 | #define BAUD_1200_HI BAUD_VAL_HI(1200) |
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| 285 | #define BAUD_1200_LO BAUD_VAL_LO(1200) |
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| 286 | #define BAUD_2400_HI BAUD_VAL_HI(2400) |
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| 287 | #define BAUD_2400_LO BAUD_VAL_LO(2400) |
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| 288 | #define BAUD_4800_HI BAUD_VAL_HI(4800) |
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| 289 | #define BAUD_4800_LO BAUD_VAL_LO(4800) |
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| 290 | #define BAUD_9600_HI BAUD_VAL_HI(9600) |
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| 291 | #define BAUD_9600_LO BAUD_VAL_LO(9600) |
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| 292 | #define BAUD_19200_HI BAUD_VAL_HI(19200) |
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| 293 | #define BAUD_19200_LO BAUD_VAL_LO(19200) |
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| 294 | #define BAUD_38400_HI BAUD_VAL_HI(38400) |
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| 295 | #define BAUD_38400_LO BAUD_VAL_LO(38400) |
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| 296 | #define BAUD_57600_HI BAUD_VAL_HI(57600) |
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| 297 | #define BAUD_57600_LO BAUD_VAL_LO(57600) |
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| 298 | #define BAUD_115200_HI BAUD_VAL_HI(115200) |
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| 299 | #define BAUD_115200_LO BAUD_VAL_LO(115200) |
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| 300 | #endif |
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| 301 | |
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| 302 | #if !defined _ASMLANGUAGE |
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| 303 | #if __cplusplus |
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| 304 | } |
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| 305 | #endif |
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| 306 | #endif |
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| 307 | |
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| 308 | #endif /* _BCMUART_H */ |
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