FreeCalypso > hg > fc-tourmaline
annotate src/cs/drivers/drv_app/ffs/board/intelsbdrv.c @ 196:86375353219d
bmi for smallbw: new FC splash screen integrated
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 28 Mar 2021 22:34:49 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /****************************************************************************** |
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2 * Flash File System (ffs) |
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3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com |
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4 * |
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5 * FFS AMD single bank low level flash driver RAM code |
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6 * |
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7 * $Id: intelsbdrv.c 1.13 Thu, 08 Jan 2004 15:05:23 +0100 tsj $ |
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8 * |
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9 ******************************************************************************/ |
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10 |
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11 #include "ffs.cfg" |
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12 |
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13 #include "ffs/ffs.h" |
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14 #include "ffs/board/drv.h" |
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15 #include "ffs/board/ffstrace.h" |
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16 |
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17 |
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18 #define INTEL_UNLOCK_SLOW 1 |
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19 |
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20 |
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21 #undef tlw |
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22 #define tlw(contents) |
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23 #undef ttw |
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24 #define ttw(contents) |
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25 |
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26 // Status bits for Intel flash memory devices |
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27 #define INTEL_STATE_MACHINE_DONE (1<<7) |
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28 #define FLASH_READ(addr) (*(volatile uint16 *) (addr)) |
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29 #define FLASH_WRITE(addr, data) (*(volatile uint16 *) (addr)) = data |
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30 |
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31 #ifdef __GNUC__ |
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32 asm(".globl ffsdrv_ram_intel_begin"); |
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33 asm("ffsdrv_ram_intel_begin:"); |
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34 #else |
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35 asm(" .label _ffsdrv_ram_intel_begin"); |
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36 asm(" .def _ffsdrv_ram_intel_begin"); |
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37 #endif |
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38 |
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39 uint32 intel_int_disable(void); |
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40 void intel_int_enable(uint32 tmp); |
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41 |
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42 /****************************************************************************** |
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43 * INTEL Single Bank Driver Functions |
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44 ******************************************************************************/ |
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45 // Actually we should have disabled and enable the interrupts in this |
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46 // function, but when the interrupt functions are used Target don't run! |
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47 // Anyway, currently the interrupts are already disabled at this point thus |
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48 // it does not cause any problems. |
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49 int ffsdrv_ram_intel_sb_init(void) |
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50 { |
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51 uint32 cpsr, i; |
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52 volatile char *addr; |
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53 uint16 status; |
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54 |
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55 for (i = 0; i < dev.numblocks; i++) |
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56 { |
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57 addr = block2addr(i); |
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58 |
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59 *addr = 0x50; // Intel Clear Status Register |
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60 *addr = 0xFF; // Intel read array |
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61 |
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62 *addr = 0x60; // Intel Config Setup |
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63 *addr = 0xD0; // Intel Unlock Block |
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64 |
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65 // Wait for unlock to finish |
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66 do { |
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67 status = FLASH_READ(addr); |
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68 } while (!(status & INTEL_STATE_MACHINE_DONE)); |
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69 |
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70 *addr = 0x70; // Intel Read Status Register |
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71 status = FLASH_READ(addr); |
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72 |
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73 // Is there an erase suspended? |
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74 if ((status & 0x40) != 0) { |
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75 *addr = 0xD0; // Intel erase resume |
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76 |
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77 *addr = 0x70; // Intel Read Status Register |
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78 // wait for erase to finish |
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79 do { |
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80 status = FLASH_READ(addr); |
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81 } while (!(status & INTEL_STATE_MACHINE_DONE)); |
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82 } |
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83 |
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84 *addr = 0xFF; // Intel Read Array |
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85 } |
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86 |
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87 return 0; |
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88 } |
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89 |
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90 void ffsdrv_ram_intel_sb_write_halfword(volatile uint16 *addr, uint16 value) |
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91 { |
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92 uint32 cpsr; |
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93 |
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94 ttw(ttr(TTrDrv, "wh(%x,%x)" NL, addr, value)); |
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95 |
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96 if (~*addr & value) { |
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97 ttw(ttr(TTrFatal, "wh(%x,%x->%x) fatal" NL, addr, *addr, value)); |
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98 return; |
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99 } |
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100 |
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101 cpsr = intel_int_disable(); |
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102 tlw(led_on(LED_WRITE)); |
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103 |
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104 #if (INTEL_UNLOCK_SLOW == 1) |
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105 *addr = 0x60; // Intel Config Setup |
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106 *addr = 0xD0; // Intel Unlock Block |
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107 #endif |
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108 |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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109 *addr = 0x50; // Intel Clear Status Register |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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110 *addr = 0x40; // Intel program byte/word |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
111 *addr = value; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
112 while ((*addr & 0x80) == 0) |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
113 ; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
114 *addr = 0xFF; // Intel read array |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
115 tlw(led_off(LED_WRITE)); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
116 intel_int_enable(cpsr); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
117 } |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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changeset
|
118 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
119 void ffsdrv_ram_intel_sb_erase(uint8 block) |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
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120 { |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
121 volatile char *addr; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
122 uint32 cpsr; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
123 uint16 poll; |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
124 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
125 ttw(ttr(TTrDrvEra, "e(%d)" NL, block)); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
126 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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127 addr = block2addr(block); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
128 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
129 cpsr = intel_int_disable(); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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130 tlw(led_on(LED_ERASE)); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
131 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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132 #if (INTEL_UNLOCK_SLOW == 1) |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
133 *addr = 0x60; // Intel Config Setup |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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134 *addr = 0xD0; // Intel Unlock Block |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
135 #endif |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
136 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
137 *addr = 0x50; // Intel Clear Status Register |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
138 *addr = 0x20; // Intel Erase Setup |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
139 *addr = 0xD0; // Intel Erase Confirm |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
140 *addr = 0x70; // Intel Read Status Register |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
141 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
142 // Wait for erase to finish. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
143 while ((*addr & 0x80) == 0) { |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
144 tlw(led_toggle(LED_ERASE)); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
145 // Poll interrupts, taking interrupt mask into account. |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
146 if (INT_REQUESTED) |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
147 { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
148 // 1. suspend erase |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
149 // 2. enable interrupts |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
150 // .. now the interrupt code executes |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
151 // 3. disable interrupts |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
152 // 4. resume erase |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
153 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
154 tlw(led_on(LED_ERASE_SUSPEND)); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
155 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
156 *addr = 0xB0; // Intel Erase Suspend |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
157 *addr = 0x70; // Intel Read Status Register |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
158 while (((poll = *addr) & 0x80) == 0) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
159 ; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
160 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
161 // If erase is complete, exit immediately |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
162 if ((poll & 0x40) == 0) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
163 break; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
164 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
165 *addr = 0xFF; // Intel read array |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
166 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
167 tlw(led_off(LED_ERASE_SUSPEND)); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
168 intel_int_enable(cpsr); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
169 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
170 // Other interrupts and tasks run now... |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
171 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
172 cpsr = intel_int_disable(); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
173 tlw(led_on(LED_ERASE_SUSPEND)); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
174 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
175 *addr = 0xD0; // Intel erase resume |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
176 // The following "extra" Read Status command is required because Intel has |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
177 // changed the specification of the W30 flash! (See "1.8 Volt Intel® |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
178 // Wireless Flash Memory with 3 Volt I/O 28F6408W30, 28F640W30, 28F320W30 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
179 // Specification Update") |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
180 *addr = 0x70; // Intel Read Status Register |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
181 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
182 tlw(led_off(LED_ERASE_SUSPEND)); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
183 } |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
184 } |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
185 *addr = 0xFF; // Intel read array |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
186 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
187 tlw(led_on(LED_ERASE)); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
188 tlw(led_off(LED_ERASE)); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
189 intel_int_enable(cpsr); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
190 } |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
191 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
192 // TODO: remove below function, not in use anymore. |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
193 void ffsdrv_ram_intel_erase(uint8 block) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
194 { |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
195 uint32 cpsr; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
196 uint16 status; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
197 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
198 ttw(ttr(TTrDrvErase, "e(%d)" NL, block)); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
199 tlw(led_on(LED_ERASE)); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
200 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
201 dev.addr = (uint16 *) block2addr(block); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
202 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
203 cpsr = intel_int_disable(); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
204 dev.state = DEV_ERASE; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
205 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
206 *dev.addr = 0x60; // Intel Config setup |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
207 *dev.addr = 0xD0; // Intel Unlock block |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
208 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
209 *dev.addr = 0x50; // Intel clear status register (not really necessary) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
210 *dev.addr = 0x20; // Intel erase setup |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
211 *dev.addr = 0xD0; // Intel erase confirm |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
212 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
213 intel_int_enable(cpsr); |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
214 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
215 while ((*dev.addr & 0x80) == 0) |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
216 ; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
217 |
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218 *dev.addr = 0xFF; // Intel read array |
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219 dev.state = DEV_READ; |
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220 tlw(led_off(LED_WRITE)); |
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221 } |
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222 |
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223 |
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224 /****************************************************************************** |
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225 * Interrupt Enable/Disable |
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226 ******************************************************************************/ |
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227 |
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228 #ifdef __GNUC__ |
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229 #define NOINLINE __attribute__ ((noinline)) |
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230 #else |
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231 #define NOINLINE |
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232 #endif |
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233 |
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234 uint32 NOINLINE intel_int_disable(void) |
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235 { |
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236 #ifdef __GNUC__ |
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237 asm(" .code 16"); |
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238 #else |
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239 asm(" .state16"); |
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240 #endif |
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241 asm(" mov A1, #0xC0"); |
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242 asm(" ldr A2, tct_intel_disable"); |
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243 asm(" bx A2 "); |
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244 |
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245 #ifdef __GNUC__ |
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246 asm(".balign 4"); |
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247 asm("tct_intel_disable:"); |
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248 asm(" .word TCT_Control_Interrupts"); |
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249 #else |
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250 asm("tct_intel_disable .field _TCT_Control_Interrupts+0,32"); |
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251 asm(" .global _TCT_Control_Interrupts"); |
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252 #endif |
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253 } |
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254 |
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255 void NOINLINE intel_int_enable(uint32 cpsr) |
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256 { |
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257 #ifdef __GNUC__ |
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258 asm(" .code 16"); |
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259 #else |
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260 asm(" .state16"); |
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261 #endif |
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262 asm(" ldr A2, tct_intel_enable"); |
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263 asm(" bx A2 "); |
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264 |
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265 #ifdef __GNUC__ |
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266 asm(".balign 4"); |
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267 asm("tct_intel_enable:"); |
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268 asm(" .word TCT_Control_Interrupts"); |
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269 #else |
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270 asm("tct_intel_enable .field _TCT_Control_Interrupts+0,32"); |
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271 asm(" .global _TCT_Control_Interrupts"); |
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272 #endif |
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273 } |
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274 |
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275 // Even though we have this end label, we cannot determine the number of |
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276 // constant/PC-relative data following the code! |
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277 #ifdef __GNUC__ |
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278 asm(".globl ffsdrv_ram_intel_end"); |
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279 asm("ffsdrv_ram_intel_end:"); |
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280 #else |
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281 asm(" .state32"); |
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282 asm(" .label _ffsdrv_ram_intel_end"); |
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283 asm(" .def _ffsdrv_ram_intel_end"); |
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284 #endif |