4.104.114.84.95
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1 | /* mrm332.h |
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2 | * |
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3 | * $Id$ |
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4 | */ |
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5 | |
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6 | #ifndef _MRM332_H_ |
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7 | #define _MRM332_H_ |
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8 | |
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9 | /* SIM_MM (SIM Module Mapping) determines the location of the control |
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10 | register block. When MM=0, register addresses range fom 0x7ff000 to |
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11 | 0x7FFFFF. When MM=1, register addresses range from 0xfff000 to |
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12 | 0xffffff. */ |
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13 | #define SIM_MM 1 |
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14 | |
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15 | /* Interrupt related definitions */ |
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16 | #define SIM_IARB 15 |
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17 | #define QSM_IARB 10 |
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18 | |
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19 | #define MRM_PIV 64 |
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20 | #define ISRL_PIT 4 /* zero disables PIT */ |
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21 | |
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22 | #define EFI_QIVR 66 /* 66=>SCI and 67=>QSPI interrupt */ |
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23 | #define ISRL_QSPI 0 |
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24 | |
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25 | #define EFI_SPINT 24 /* spurious interrupt */ |
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26 | #define EFI_INT1 25 /* CTS interrupt */ |
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27 | #define ISRL_SCI 6 |
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28 | |
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29 | /* System Clock definitions */ |
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30 | #define XTAL 32768.0 /* crystal frequency in Hz */ |
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31 | |
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32 | #if 0 |
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33 | /* Default MRM clock rate (8.388688 MHz) set by CPU32: */ |
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34 | #define MRM_W 0 /* system clock parameters */ |
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35 | #define MRM_X 0 |
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36 | #define MRM_Y 0x3f |
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37 | #endif |
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38 | |
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39 | #if 1 |
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40 | /* 16.77722 MHz: */ |
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41 | #define MRM_W 1 /* system clock parameters */ |
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42 | #define MRM_X 1 |
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43 | #define MRM_Y 0x0f |
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44 | #endif |
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45 | |
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46 | #if 0 |
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47 | /* 25.16582 MHz: */ |
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48 | #define MRM_W 1 /* system clock parameters */ |
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49 | #define MRM_X 1 |
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50 | #define MRM_Y 0x17 |
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51 | #endif |
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52 | |
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53 | #define SYS_CLOCK (XTAL*4.0*(MRM_Y+1)*(1 << (2*MRM_W+MRM_X))) |
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54 | #define SCI_BAUD 19200 /* RS232 Baud Rate */ |
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55 | |
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56 | /* macros/functions */ |
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57 | |
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58 | #ifndef ASM |
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59 | |
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60 | /* |
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61 | * This prototype really should have the noreturn attribute but |
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62 | * that causes a warning. Not sure how to fix that. |
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63 | */ |
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64 | /* static void reboot(void) __attribute__ ((noreturn)); */ |
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65 | static void reboot(void); |
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66 | __inline__ static void reboot() {asm("trap #15; .word 0x0063");} |
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67 | |
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68 | #endif /* ASM */ |
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69 | |
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70 | #endif /* _MRM_H_ */ |
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