diff options
Diffstat (limited to 'board/trab/vfd.c')
| -rw-r--r-- | board/trab/vfd.c | 93 |
1 files changed, 50 insertions, 43 deletions
diff --git a/board/trab/vfd.c b/board/trab/vfd.c index e00294f..1abc2ad 100644 --- a/board/trab/vfd.c +++ b/board/trab/vfd.c @@ -359,14 +359,17 @@ void transfer_pic(int display, unsigned char *adr, int height, int width) */ int vfd_init_clocks (void) { + S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO(); + S3C24X0_TIMERS * const timers = S3C24X0_GetBase_TIMERS(); + S3C24X0_LCD * const lcd = S3C24X0_GetBase_LCD(); /* try to determine display type from the value * defined by pull-ups */ - rPCUP = (rPCUP & 0xFFF0); /* activate GPC0...GPC3 pullups */ - rPCCON = (rPCCON & 0xFFFFFF00); /* configure GPC0...GPC3 as inputs */ + gpio->PCUP = (gpio->PCUP & 0xFFF0); /* activate GPC0...GPC3 pullups */ + gpio->PCCON = (gpio->PCCON & 0xFFFFFF00); /* configure GPC0...GPC3 as inputs */ udelay (10); /* allow signals to settle */ - vfd_board_id = (~rPCDAT) & 0x000F; /* read GPC0...GPC3 port pins */ + vfd_board_id = (~gpio->PCDAT) & 0x000F; /* read GPC0...GPC3 port pins */ VFD_DISABLE; /* activate blank for the vfd */ @@ -377,39 +380,39 @@ int vfd_init_clocks (void) /* If new board revision, then use PWM 3 as cpld-clock */ /* Enable 500 Hz timer for fill level sensor to operate properly */ /* Configure TOUT3 as functional pin, disable pull-up */ - rPDCON &= ~0x30000; - rPDCON |= 0x20000; - rPDUP |= (1 << 8); + gpio->PDCON &= ~0x30000; + gpio->PDCON |= 0x20000; + gpio->PDUP |= (1 << 8); /* Configure the prescaler */ - rTCFG0 &= ~0xff00; - rTCFG0 |= 0x0f00; + timers->TCFG0 &= ~0xff00; + timers->TCFG0 |= 0x0f00; /* Select MUX input (divider) for timer3 (1/16) */ - rTCFG1 &= ~0xf000; - rTCFG1 |= 0x3000; + timers->TCFG1 &= ~0xf000; + timers->TCFG1 |= 0x3000; /* Enable autoreload and set the counter and compare * registers to values for the 500 Hz clock * (for a given prescaler (15) and divider (16)): * counter = (66000000 / 500) >> 9; */ - rTCNTB3 = 0x101; - rTCMPB3 = 0x101 / 2; + timers->ch[3].TCNTB = 0x101; + timers->ch[3].TCMPB = 0x101 / 2; /* Start timer */ - rTCON = (rTCON | UPDATE3 | RELOAD3) & ~INVERT3; - rTCON = (rTCON | START3) & ~UPDATE3; + timers->TCON = (timers->TCON | UPDATE3 | RELOAD3) & ~INVERT3; + timers->TCON = (timers->TCON | START3) & ~UPDATE3; } #endif /* If old board revision, then use vm-signal as cpld-clock */ - rLCDCON2 = 0x00FFC000; - rLCDCON3 = 0x0007FF00; - rLCDCON4 = 0x00000000; - rLCDCON5 = 0x00000400; - rLCDCON1 = 0x00000B75; + lcd->LCDCON2 = 0x00FFC000; + lcd->LCDCON3 = 0x0007FF00; + lcd->LCDCON4 = 0x00000000; + lcd->LCDCON5 = 0x00000400; + lcd->LCDCON1 = 0x00000B75; /* VM (GPD1) is used as clock for the CPLD */ - rPDCON = (rPDCON & 0xFFFFFFF3) | 0x00000008; + gpio->PDCON = (gpio->PDCON & 0xFFFFFFF3) | 0x00000008; return 0; } @@ -425,6 +428,8 @@ int vfd_init_clocks (void) */ int drv_vfd_init(void) { + S3C24X0_LCD * const lcd = S3C24X0_GetBase_LCD(); + S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO(); char *tmp; ulong palette; static int vfd_init_done = 0; @@ -481,40 +486,40 @@ int drv_vfd_init(void) * see manual S3C2400 */ /* Stopp LCD-Controller */ - rLCDCON1 = 0x00000000; + lcd->LCDCON1 = 0x00000000; /* frame buffer startadr */ - rLCDSADDR1 = gd->fb_base >> 1; + lcd->LCDSADDR1 = gd->fb_base >> 1; /* frame buffer endadr */ - rLCDSADDR2 = (gd->fb_base + FRAME_BUF_SIZE) >> 1; - rLCDSADDR3 = ((256/4)); -rLCDCON2 = 0x000DC000; + lcd->LCDSADDR2 = (gd->fb_base + FRAME_BUF_SIZE) >> 1; + lcd->LCDSADDR3 = ((256/4)); + lcd->LCDCON2 = 0x000DC000; if(gd->vfd_type == VFD_TYPE_MN11236) - rLCDCON2 = 37 << 14; /* MN11236: 38 lines */ + lcd->LCDCON2 = 37 << 14; /* MN11236: 38 lines */ else - rLCDCON2 = 55 << 14; /* T119C: 56 lines */ - rLCDCON3 = 0x0051000A; - rLCDCON4 = 0x00000001; + lcd->LCDCON2 = 55 << 14; /* T119C: 56 lines */ + lcd->LCDCON3 = 0x0051000A; + lcd->LCDCON4 = 0x00000001; if (gd->vfd_type && vfd_inv_data) - rLCDCON5 = 0x000004C0; + lcd->LCDCON5 = 0x000004C0; else - rLCDCON5 = 0x00000440; + lcd->LCDCON5 = 0x00000440; /* Port pins as LCD output */ - rPCCON = (rPCCON & 0xFFFFFF00)| 0x000000AA; - rPDCON = (rPDCON & 0xFFFFFF03)| 0x000000A8; + gpio->PCCON = (gpio->PCCON & 0xFFFFFF00)| 0x000000AA; + gpio->PDCON = (gpio->PDCON & 0xFFFFFF03)| 0x000000A8; /* Synchronize VFD enable with LCD controller to avoid flicker */ - rLCDCON1 = 0x00000B75; /* Start LCD-Controller */ - while((rLCDCON5 & 0x180000)!=0x100000); /* Wait for end of VSYNC */ - while((rLCDCON5 & 0x060000)!=0x040000); /* Wait for next HSYNC */ - while((rLCDCON5 & 0x060000)==0x040000); - while((rLCDCON5 & 0x060000)!=0x000000); + lcd->LCDCON1 = 0x00000B75; /* Start LCD-Controller */ + while((lcd->LCDCON5 & 0x180000)!=0x100000); /* Wait for end of VSYNC */ + while((lcd->LCDCON5 & 0x060000)!=0x040000); /* Wait for next HSYNC */ + while((lcd->LCDCON5 & 0x060000)==0x040000); + while((lcd->LCDCON5 & 0x060000)!=0x000000); if(gd->vfd_type) VFD_ENABLE; - debug ("LCDSADDR1: %lX\n", rLCDSADDR1); - debug ("LCDSADDR2: %lX\n", rLCDSADDR2); - debug ("LCDSADDR3: %lX\n", rLCDSADDR3); + debug ("LCDSADDR1: %lX\n", lcd->LCDSADDR1); + debug ("LCDSADDR2: %lX\n", lcd->LCDSADDR2); + debug ("LCDSADDR3: %lX\n", lcd->LCDSADDR3); return 0; } @@ -525,9 +530,11 @@ rLCDCON2 = 0x000DC000; */ void disable_vfd (void) { + S3C24X0_GPIO * const gpio = S3C24X0_GetBase_GPIO(); + VFD_DISABLE; - rPDCON &= ~0xC; - rPDUP &= ~0x2; + gpio->PDCON &= ~0xC; + gpio->PDUP &= ~0x2; } /************************************************************************/ |