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annotate src/cs/system/bootloader/inc/target.h @ 78:95ef11e76c5b

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src/cs/system/main/gcc: asm code pieced from Citrine
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 20 Jul 2018 06:46:56 +0000
parents b6a5e36de839
children
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b6a5e36de839 src/cs: initial import from Magnetite
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1 /******************************************************************************
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2 * FLUID (Flash Loader Utility Independent of Device)
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3 *
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4 * (C) Delta Technologies 2001.
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5 * Cleanup, modifications and extensions by Mads Meisner-Jensen, mmj@ti.com.
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6 *
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7 * Target common definitions
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8 *
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9 * $Id: target.h,v 1.3 2003/07/10 17:50:21 rlendenmann Exp $
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10 *
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11 ******************************************************************************/
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12 #ifndef __TARGET_H__
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13 #define __TARGET_H__
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14 #include "protocol.h"
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15
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16
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17 /******************************************************************************
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18 * Typedefs and Prototypes
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19 ******************************************************************************/
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20
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21 #ifndef RIVIERA_INCLUDED
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22 typedef unsigned char UBYTE;
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23 typedef unsigned short UINT16;
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24 typedef unsigned long UINT32;
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25 typedef signed char INT8;
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26 typedef signed short INT16;
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27 typedef signed long INT32;
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28 #endif
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29
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30 typedef unsigned char uint8;
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31 typedef unsigned short uint16;
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32 typedef unsigned long uint32;
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33 typedef signed char int8;
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34 typedef signed short int16;
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35 typedef signed long int32;
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36
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37 typedef union {
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38 UINT32 i; // integer value
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39 UBYTE b[4]; // byte array
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40 } union32_t;
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41
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42 typedef union {
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43 UINT16 i; // integer value
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44 UBYTE b[2]; // byte array
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45 } union16_t;
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46
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47 typedef struct {
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48 char (*init)(uint32 addr);
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49 char (*erase)(uint32 *addr, int size);
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50 char (*program)(uint32 addr, uint16 *buf, int size);
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51 uint8 (*getchar)(void);
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52 void (*putchar)(uint8 ch);
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53 void (*debug_putstr)(uint32 uart, char *string);
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54 void (*debug_putnum)(uint32 uart, unsigned int number);
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55 uint32 uart_base;
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56 } method_table_t;
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57
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58 // Prototypes for functions in debug.c
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59 void debug_putstr(uint32 uart, char *string);
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60 void debug_putnum(uint32 uart, unsigned int number);
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61
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62
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63 /******************************************************************************
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64 * Macros
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65 ******************************************************************************/
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66
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67 #define REGISTER_8_READ(addr) (*((volatile uint8 *) (addr)))
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68 #define REGISTER_8_WRITE(addr, data) (*((volatile uint8 *) (addr)) = data)
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69 #define REGISTER_16_READ(addr) (*((volatile uint16 *) (addr)))
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70 #define REGISTER_16_WRITE(addr, data) (*((volatile uint16 *) (addr)) = data)
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71
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72 #define BIT_SET(reg, bit) (*((volatile UINT16 *) (reg)) |= (1 << (bit)))
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73 #define BIT_CLR(reg, bit) (*((volatile UINT16 *) (reg)) &= ~(1 << (bit)))
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74
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75 #define FLASH_READ(addr) (*(volatile uint16 *) (addr))
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76 #define FLASH_WRITE(addr, data) (*(volatile uint16 *) (addr)) = data
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77
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78 #define PUTCHAR_FUNCTION_CODE(uart) \
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79 while (!(REGISTER_8_READ(uart + UART_LSR) & STAT_TXRDY)) ; \
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80 REGISTER_8_WRITE(uart + UART_THR, ch);
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81
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82 #define GETCHAR_FUNCTION_CODE(uart) \
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83 while (!(REGISTER_8_READ(uart + UART_LSR) & STAT_RXRDY)) ; \
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84 return (uint8) REGISTER_8_READ(uart + UART_RHR);
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85
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86
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87 /******************************************************************************
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88 * Debug Macros
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89 ******************************************************************************/
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90
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91 #define DEBUG_PUTSTR(uart, text) ((method_table_t *)(my_addr))->debug_putstr(uart, text);
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92 #define DEBUG_PUTNUM(uart, num) ((method_table_t *)(my_addr))->debug_putnum(uart, num);
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93
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94
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95 /******************************************************************************
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96 * Hardware Definitions
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97 ******************************************************************************/
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98
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99 #define UART_BASE_MODEM (0xFFFF5800)
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100 #define UART_BASE_IRDA (0xFFFF5000)
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101
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102 // ROM/Flash Config register
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103 #define WS_REG_ROM 0x400000
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104
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105 // UART register definitions.
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106 #define UART_RHR (0x00) /* Receive Holding Register */
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107 #define UART_THR (0x00) /* Transmit Holding Register */
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108 #define UART_FCR (0x02) /* FIFO Control Register */
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109 #define UART_LCR (0x03) /* Line Control Register */
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110 #define UART_LSR (0x05) /* Line Status Register */
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111 #define UART_MDR1 (0x08) /* Mode Definition Register 1 */
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112 #define UART_EFR (0x02) /* Enhanced Feature Register */
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113 #define UART_DLL (0x00) /* Divisor Latches */
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114 #define UART_DLH (0x01) /* Divisor Latches */
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115 #define UART_UIR (0xFFFF6000) /* UART Interface Register */
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116
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117 // UART status bit definitions.
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118 #define STAT_RXRDY (0x01)
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119 #define STAT_TXRDY (0x20)
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120 #define STAT_TX_E (0x40)
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121
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122 // UART_UIR bit definitions.
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123 #define UART_ACCESS (0)
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124 #define UART_MASK_IT (1)
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125
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126 // UART_EFR bit definitions.
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127 #define ENHANCED_EN (4)
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128
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129 // UART command bit definitions.
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130 #define CMD_UART_RESET (0x07)
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131 #define CMD_EFR_EN (0xBF)
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132 #define CMD_FCR_MCR_EN (0x80)
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133 #define CMD_FIFO_EN (0x07)
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Mychaela Falconia <falcon@freecalypso.org>
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134 #define CMD_UART_MODE (0x00)
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Mychaela Falconia <falcon@freecalypso.org>
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135 #define CMD_CHAR8_STOP1_NOPAR (0x03)
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Mychaela Falconia <falcon@freecalypso.org>
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136
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Mychaela Falconia <falcon@freecalypso.org>
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137 // UART ???
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Mychaela Falconia <falcon@freecalypso.org>
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138 #define BAUD_38400 (0x15)
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Mychaela Falconia <falcon@freecalypso.org>
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139 #define BAUD_115200 (0x07)
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Mychaela Falconia <falcon@freecalypso.org>
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140 #define BAUD_406250 (0x02)
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Mychaela Falconia <falcon@freecalypso.org>
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141 #define BAUD_812500 (0x01)
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Mychaela Falconia <falcon@freecalypso.org>
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142
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Mychaela Falconia <falcon@freecalypso.org>
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143
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Mychaela Falconia <falcon@freecalypso.org>
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144 // Enable/Disable ROM/Flash write strobe
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Mychaela Falconia <falcon@freecalypso.org>
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145 #define ROM_WRITE_ENABLE() *((volatile uint16*) WS_REG_ROM) |= 0x80;
b6a5e36de839 src/cs: initial import from Magnetite
Mychaela Falconia <falcon@freecalypso.org>
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146 #define ROM_WRITE_DISABLE() *((volatile uint16*) WS_REG_ROM) &= ~0x80;
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Mychaela Falconia <falcon@freecalypso.org>
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147
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Mychaela Falconia <falcon@freecalypso.org>
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148 #endif /* __TARGET_H__ */