mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-23 11:33:32 +00:00
85 lines
1.4 KiB
C
85 lines
1.4 KiB
C
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#include <common.h>
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#include <mpc8xx.h>
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#include <pcmcia.h>
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#undef CONFIG_PCMCIA
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#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)
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#define CONFIG_PCMCIA
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#endif
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#if (CONFIG_COMMANDS & CFG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD)
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#define CONFIG_PCMCIA
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#endif
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#ifdef CONFIG_PCMCIA
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#ifdef CONFIG_ADS
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#define PCMCIA_BOARD_MSG "ADS"
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#else
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#define PCMCIA_BOARD_MSG "FADS"
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#endif
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int pcmcia_voltage_set(int slot, int vcc, int vpp)
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{
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u_long reg = 0;
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switch(vpp) {
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case 0: reg = 0; break;
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case 50: reg = 1; break;
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case 120: reg = 2; break;
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default: return 1;
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}
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switch(vcc) {
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case 0: reg = 0; break;
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#ifdef CONFIG_ADS
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case 50: reg = BCSR1_PCCVCCON; break;
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#endif
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#ifdef CONFIG_FADS
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case 33: reg = BCSR1_PCCVCC0 | BCSR1_PCCVCC1; break;
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case 50: reg = BCSR1_PCCVCC1; break;
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#endif
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default: return 1;
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}
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/* first, turn off all power */
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#ifdef CONFIG_ADS
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*((uint *)BCSR1) |= BCSR1_PCCVCCON;
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#endif
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#ifdef CONFIG_FADS
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*((uint *)BCSR1) &= ~(BCSR1_PCCVCC0 | BCSR1_PCCVCC1);
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#endif
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*((uint *)BCSR1) &= ~BCSR1_PCCVPP_MASK;
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/* enable new powersettings */
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#ifdef CONFIG_ADS
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*((uint *)BCSR1) &= ~reg;
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#endif
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#ifdef CONFIG_FADS
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*((uint *)BCSR1) |= reg;
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#endif
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*((uint *)BCSR1) |= reg << 20;
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return 0;
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}
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int pcmcia_hardware_enable(int slot)
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{
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*((uint *)BCSR1) &= ~BCSR1_PCCEN;
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return 0;
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}
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#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)
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int pcmcia_hardware_disable(int slot)
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{
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*((uint *)BCSR1) &= ~BCSR1_PCCEN;
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return 0;
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}
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#endif /* CFG_CMD_PCMCIA */
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#endif /* CONFIG_PCMCIA */
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