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[PATCH] ppc32: Adds support for the LITE5200B dev board

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ppc32: Adds support for the LITE5200B dev board

This LITE5200B devboard is the new development board for the
Freescale MPC5200 processor. It has two PCI slots and so a
different PCI IRQ routing.

Signed-off-by: John Rigby <jrigby@freescale.com>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Sylvain Munaut
2006-03-26 13:37:38 +02:00
committed by Paul Mackerras
parent 5931c43500
commit f8dd311982
2 changed files with 37 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
arch/ppc/platforms/lite5200.c
View File

@@ -34,6 +34,7 @@
#include <asm/mpc52xx.h>
#include <asm/ppc_sys.h>
#include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <syslib/mpc52xx_pci.h>
@@ -68,12 +69,32 @@ lite5200_show_cpuinfo(struct seq_file *m)
}
#ifdef CONFIG_PCI
#ifdef CONFIG_LITE5200B
static int
lite5200_map_irq(struct pci_dev *dev, unsigned char idsel,
unsigned char pin)
{
static char pci_irq_table[][4] =
/*
* PCI IDSEL/INTPIN->INTLINE
* A B C D
*/
{
{MPC52xx_IRQ0, MPC52xx_IRQ1, MPC52xx_IRQ2, MPC52xx_IRQ3},
{MPC52xx_IRQ1, MPC52xx_IRQ2, MPC52xx_IRQ3, MPC52xx_IRQ0},
};
const long min_idsel = 24, max_idsel = 25, irqs_per_slot = 4;
return PCI_IRQ_TABLE_LOOKUP;
}
#else /* Original Lite */
static int
lite5200_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{
return (pin == 1) && (idsel==24) ? MPC52xx_IRQ0 : -1;
}
#endif
#endif
static void __init
lite5200_setup_cpu(void)
@@ -127,11 +148,17 @@ lite5200_setup_cpu(void)
out_be32(&xlb->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_SNOOP);
out_be32(&xlb->snoop_window, MPC52xx_PCI_TARGET_MEM | 0x1d);
/* IRQ[0-3] setup : IRQ0 - Level Active Low */
/* IRQ[1-3] - Level Active High */
/* IRQ[0-3] setup */
intr_ctrl = in_be32(&intr->ctrl);
intr_ctrl &= ~0x00ff0000;
intr_ctrl |= 0x00c00000;
#ifdef CONFIG_LITE5200B
/* IRQ[0-3] Level Active Low */
intr_ctrl |= 0x00ff0000;
#else
/* IRQ0 Level Active Low
* IRQ[1-3] Level Active High */
intr_ctrl |= 0x00c00000;
#endif
out_be32(&intr->ctrl, intr_ctrl);
/* Unmap reg zone */