?? pcmcia.c
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#include <common.h>#include <mpc8xx.h>#include <pcmcia.h>#undef CONFIG_PCMCIA#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)#define CONFIG_PCMCIA#endif#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)#define CONFIG_PCMCIA#endif#ifdef CONFIG_PCMCIA#ifdef CONFIG_ADS#define PCMCIA_BOARD_MSG "ADS"#else#define PCMCIA_BOARD_MSG "FADS"#endifint pcmcia_voltage_set(int slot, int vcc, int vpp){ u_long reg = 0; switch(vpp) { case 0: reg = 0; break; case 50: reg = 1; break; case 120: reg = 2; break; default: return 1; } switch(vcc) { case 0: reg = 0; break;#ifdef CONFIG_ADS case 50: reg = BCSR1_PCCVCCON; break;#endif#ifdef CONFIG_FADS case 33: reg = BCSR1_PCCVCC0 | BCSR1_PCCVCC1; break; case 50: reg = BCSR1_PCCVCC1; break;#endif default: return 1; } /* first, turn off all power */#ifdef CONFIG_ADS *((uint *)BCSR1) |= BCSR1_PCCVCCON;#endif#ifdef CONFIG_FADS *((uint *)BCSR1) &= ~(BCSR1_PCCVCC0 | BCSR1_PCCVCC1);#endif *((uint *)BCSR1) &= ~BCSR1_PCCVPP_MASK; /* enable new powersettings */#ifdef CONFIG_ADS *((uint *)BCSR1) &= ~reg;#endif#ifdef CONFIG_FADS *((uint *)BCSR1) |= reg;#endif *((uint *)BCSR1) |= reg << 20; return 0;}int pcmcia_hardware_enable(int slot){ *((uint *)BCSR1) &= ~BCSR1_PCCEN; return 0;}#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)int pcmcia_hardware_disable(int slot){ *((uint *)BCSR1) &= ~BCSR1_PCCEN; return 0;}#endif /* CFG_CMD_PCMCIA */#endif /* CONFIG_PCMCIA */?? 快捷鍵說明
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