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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
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7
arch/ppc/Kconfig
View File

@ -715,6 +715,13 @@ config LITE5200
much but it's only been tested on this board version. I think this
board is also known as IceCube.
config LITE5200B
bool "Freescale LITE5200B"
depends LITE5200
help
Support for the LITE5200B dev board for the MPC5200 from Freescale.
This is the new board with 2 PCI slots.
config MPC834x_SYS
bool "Freescale MPC834x SYS"
help

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 */