Commit f8dd3119 authored by Sylvain Munaut's avatar Sylvain Munaut Committed by Paul Mackerras

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

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: default avatarJohn Rigby <jrigby@freescale.com>
Signed-off-by: default avatarSylvain Munaut <tnt@246tNt.com>
Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent 5931c435
...@@ -715,6 +715,13 @@ config LITE5200 ...@@ -715,6 +715,13 @@ config LITE5200
much but it's only been tested on this board version. I think this much but it's only been tested on this board version. I think this
board is also known as IceCube. 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 config MPC834x_SYS
bool "Freescale MPC834x SYS" bool "Freescale MPC834x SYS"
help help
......
...@@ -34,6 +34,7 @@ ...@@ -34,6 +34,7 @@
#include <asm/mpc52xx.h> #include <asm/mpc52xx.h>
#include <asm/ppc_sys.h> #include <asm/ppc_sys.h>
#include <asm/machdep.h> #include <asm/machdep.h>
#include <asm/pci-bridge.h>
#include <syslib/mpc52xx_pci.h> #include <syslib/mpc52xx_pci.h>
...@@ -68,12 +69,32 @@ lite5200_show_cpuinfo(struct seq_file *m) ...@@ -68,12 +69,32 @@ lite5200_show_cpuinfo(struct seq_file *m)
} }
#ifdef CONFIG_PCI #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 static int
lite5200_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin) lite5200_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
{ {
return (pin == 1) && (idsel==24) ? MPC52xx_IRQ0 : -1; return (pin == 1) && (idsel==24) ? MPC52xx_IRQ0 : -1;
} }
#endif #endif
#endif
static void __init static void __init
lite5200_setup_cpu(void) lite5200_setup_cpu(void)
...@@ -127,11 +148,17 @@ 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->config, in_be32(&xlb->config) | MPC52xx_XLB_CFG_SNOOP);
out_be32(&xlb->snoop_window, MPC52xx_PCI_TARGET_MEM | 0x1d); out_be32(&xlb->snoop_window, MPC52xx_PCI_TARGET_MEM | 0x1d);
/* IRQ[0-3] setup : IRQ0 - Level Active Low */ /* IRQ[0-3] setup */
/* IRQ[1-3] - Level Active High */
intr_ctrl = in_be32(&intr->ctrl); intr_ctrl = in_be32(&intr->ctrl);
intr_ctrl &= ~0x00ff0000; intr_ctrl &= ~0x00ff0000;
#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; intr_ctrl |= 0x00c00000;
#endif
out_be32(&intr->ctrl, intr_ctrl); out_be32(&intr->ctrl, intr_ctrl);
/* Unmap reg zone */ /* Unmap reg zone */
......
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