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@@ -333,13 +333,59 @@ void show_boot_progress (int status)
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void ide_set_reset (int on)
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void ide_set_reset (int on)
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{
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{
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volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
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volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
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+ int i;
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/*
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/*
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* Configure PC for IDE Reset Pin
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* Configure PC for IDE Reset Pin
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*/
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*/
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if (on) { /* assert RESET */
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if (on) { /* assert RESET */
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immr->im_ioport.iop_pcdat &= ~(CONFIG_SYS_PC_IDE_RESET);
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immr->im_ioport.iop_pcdat &= ~(CONFIG_SYS_PC_IDE_RESET);
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+
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+#ifdef CONFIG_SYS_PB_12V_ENABLE
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+ /* 12V Enable output OFF */
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+ immr->im_cpm.cp_pbdat &= ~(CONFIG_SYS_PB_12V_ENABLE);
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+
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+ immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_12V_ENABLE);
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+ immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_12V_ENABLE);
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+ immr->im_cpm.cp_pbdir |= CONFIG_SYS_PB_12V_ENABLE;
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+
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+ /* wait 500 ms for the voltage to stabilize */
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+ for (i = 0; i < 500; ++i)
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+ udelay(1000);
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+#endif /* CONFIG_SYS_PB_12V_ENABLE */
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} else { /* release RESET */
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} else { /* release RESET */
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+#ifdef CONFIG_SYS_PB_12V_ENABLE
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+ /* 12V Enable output ON */
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+ immr->im_cpm.cp_pbdat |= CONFIG_SYS_PB_12V_ENABLE;
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+#endif /* CONFIG_SYS_PB_12V_ENABLE */
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+
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+#ifdef CONFIG_SYS_PB_IDE_MOTOR
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+ /* configure IDE Motor voltage monitor pin as input */
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+ immr->im_cpm.cp_pbpar &= ~(CONFIG_SYS_PB_IDE_MOTOR);
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+ immr->im_cpm.cp_pbodr &= ~(CONFIG_SYS_PB_IDE_MOTOR);
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+ immr->im_cpm.cp_pbdir &= ~(CONFIG_SYS_PB_IDE_MOTOR);
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+
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+/* wait up to 1 s for the motor voltage to stabilize */
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+ for (i = 0; i < 1000; ++i) {
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+ if ((immr->im_cpm.cp_pbdat
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+ & CONFIG_SYS_PB_IDE_MOTOR) != 0)
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+ break;
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+ udelay(1000);
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+ }
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+
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+ if (i == 1000) { /* Timeout */
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+ printf("\nWarning: 5V for IDE Motor missing\n");
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+#ifdef CONFIG_STATUS_LED
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+#ifdef STATUS_LED_YELLOW
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+ status_led_set(STATUS_LED_YELLOW, STATUS_LED_ON);
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+#endif
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+#ifdef STATUS_LED_GREEN
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+ status_led_set(STATUS_LED_GREEN, STATUS_LED_OFF);
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+#endif
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+#endif /* CONFIG_STATUS_LED */
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+ }
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+#endif /* CONFIG_SYS_PB_IDE_MOTOR */
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+
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immr->im_ioport.iop_pcdat |= CONFIG_SYS_PC_IDE_RESET;
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immr->im_ioport.iop_pcdat |= CONFIG_SYS_PC_IDE_RESET;
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}
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}
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