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new function enable_pci_interrupts() (defer PCI interrupt activation

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until after PCI scan)
This commit is contained in:
Markus Fröschle
2015-10-11 18:31:07 +00:00
parent 6d7d81090c
commit fb16be9221
1 changed files with 23 additions and 16 deletions
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39
BaS_gcc/sys/BaS.c
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@@ -232,26 +232,32 @@ void enable_coldfire_interrupts()
MCF_GPT_GMS_TMS(1); /* route GPT0 interrupt on interrupt controller */
MCF_INTC_ICR62 = MCF_INTC_ICR_IL(7) |
MCF_INTC_ICR_IP(6); /* interrupt level 7, interrupt priority 7 */
MCF_EPORT_EPIER = 0xfe; /* int 1-7 on */
MCF_EPORT_EPFR = 0xff; /* clear all pending interrupts */
MCF_INTC_IMRL = 0xffffff00; /* int 1-7 on */
//MCF_INTC_IMRH = 0xbffffffe; /* psc3 and timer 0 int on */
MCF_INTC_IMRH = 0;
FBEE_INTR_ENABLE = FBEE_INTR_INT_IRQ7 | /* enable pseudo bus error */
FBEE_INTR_INT_MFP_IRQ6 | /* enable MFP interrupts */
FBEE_INTR_INT_FPGA_IRQ5 | /* enable Firebee (PIC, PCI, ETH PHY, DVI, DSP) interrupts */
FBEE_INTR_INT_VSYNC_IRQ4 //| /* enable vsync interrupts */
//FBEE_INTR_PCI_INTA | /* enable PCI interrupts */
//FBEE_INTR_PCI_INTB |
//FBEE_INTR_PCI_INTC |
//FBEE_INTR_PCI_INTD;
;
MCF_INTC_IMRH = 0xbffffffe; /* psc3 and timer 0 int on */
#endif
xprintf("finished\r\n");
}
void enable_pci_interrupts()
{
dbg("enable PCI interrupts\r\n");
MCF_EPORT_EPIER = 0xfe; /* int 1-7 on */
MCF_EPORT_EPFR = 0xff; /* clear all pending interrupts */
MCF_INTC_IMRL = 0xffffff00; /* int 1-7 on */
MCF_INTC_IMRH = 0;
#if defined(MACHINE_FIREBEE)
FBEE_INTR_ENABLE = FBEE_INTR_INT_IRQ7 | /* enable pseudo bus error */
FBEE_INTR_INT_MFP_IRQ6 | /* enable MFP interrupts */
FBEE_INTR_INT_FPGA_IRQ5 | /* enable Firebee (PIC, PCI, ETH PHY, DVI, DSP) interrupts */
FBEE_INTR_INT_VSYNC_IRQ4 | /* enable vsync interrupts */
FBEE_INTR_PCI_INTA | /* enable PCI interrupts */
FBEE_INTR_PCI_INTB |
FBEE_INTR_PCI_INTC |
FBEE_INTR_PCI_INTD;
;
#endif
}
void disable_coldfire_interrupts()
{
#if defined(MACHINE_FIREBEE)
@@ -465,10 +471,11 @@ void BaS(void)
fec_irq_enable(0, 5, 1);
init_pci();
enable_pci_interrupts();
video_init();
/* initialize USB devices */
//init_usb();
init_usb();
set_ipl(7); /* disable interrupts */