diff options
| author | Sylvain Munaut <tnt@246tNt.com> | 2006-03-26 15:37:38 +0400 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2006-03-27 07:48:58 +0400 |
| commit | f8dd311982c86141f4f2fd326c0edf0c2d9fd97b (patch) | |
| tree | 474af7852e393a112456127b1185e84f1b7b57ab /arch/ppc/platforms | |
| parent | 5931c4350059ce9bd5fe398b628c478753a11e44 (diff) | |
| download | linux-f8dd311982c86141f4f2fd326c0edf0c2d9fd97b.tar.xz | |
[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: John Rigby <jrigby@freescale.com>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/ppc/platforms')
| -rw-r--r-- | arch/ppc/platforms/lite5200.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/arch/ppc/platforms/lite5200.c b/arch/ppc/platforms/lite5200.c index 5171b53bccb5..d91efe1dc2d1 100644 --- a/arch/ppc/platforms/lite5200.c +++ b/arch/ppc/platforms/lite5200.c @@ -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 */ |