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340
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1
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2
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3 #define PL110_CR_EN 0x001
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4 #define PL110_CR_16BPP 0x008
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5 #define PL110_CR_MONO 0x010
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6 #define PL110_CR_TFT 0x020
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7 #define PL110_CR_MONO_8B 0x040
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8 #define PL110_CR_DUAL_LCD 0x080
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9 #define PL110_CR_BGR 0x100
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10 #define PL110_CR_BEBO 0x200
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11 #define PL110_CR_BEPO 0x400
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12 #define PL110_CR_PWR 0x800
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13
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14
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15
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16
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17 #define PL110_IOBASE 0x10020000
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18 #define FB_BASE 0x60050000
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19
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20
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21 typedef unsigned int uint32;
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22 typedef unsigned char uint8;
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23 typedef unsigned short uint16;
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24
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25 typedef struct
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26 {
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27 uint32 volatile tim0; //0
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28 uint32 volatile tim1; //4
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29 uint32 volatile tim2; //8
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30 uint32 volatile tim3; //c
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31 uint32 volatile upbase; //10
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32 uint32 volatile lpbase; //14
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33 uint32 volatile control; //18
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34 } PL111MMIO;
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35
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36 void print_uart0(const char *s);
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37
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38 extern uint16* image_data;
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39 extern int image_width;
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40 extern int image_height;
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41
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42 void do_display(void)
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43 {
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44 uint16 volatile *fb;
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45 PL111MMIO *plio;
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46 int x, y;
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47
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48 plio = (PL111MMIO*)PL110_IOBASE;
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49
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50 plio->tim0 = 0x3f1f3f9c;
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51 plio->tim1 = 0x080b61df;
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52 plio->upbase = FB_BASE;
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53
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54 /* 16-bit color */
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55 plio->control = PL110_CR_EN | (0xC) | PL110_CR_TFT | PL110_CR_PWR;
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56
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57 fb = (uint16*)FB_BASE;
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58
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59 for (x = 0; x < (640 * 480) - 10; ++x)
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60 {
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61 fb[x] = 0x1f << (5 + 6) | 0xf << 5;
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62 }
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63
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64 print_uart0("Cleared disp\n");
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65
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66 for (x = 0; x < image_width; x++)
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67 {
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68 for (y = 0; y < image_height; y++)
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69 {
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70 fb[x + 640 * y] = image_data[x + image_width * y];
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71 }
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72 }
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73
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74 }
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75
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