From 1fa4163bdc199a0b80f9e333d718b3f65e901593 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Tue, 22 Feb 2011 21:07:45 +0100 Subject: [PATCH] x86: ce4100: Use OF to setup devices Use device tree information to setup IO_APIC configuration, interrupt routing, HPET and everything else which cannot be enumerated by other means. Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Dirk Brandewie Acked-by: Grant Likely Cc: sodaville@linutronix.de Cc: devicetree-discuss@lists.ozlabs.org LKML-Reference: <1298405266-1624-11-git-send-email-bigeasy@linutronix.de> Signed-off-by: Thomas Gleixner --- arch/x86/platform/ce4100/ce4100.c | 26 +++++++++++++++++++------- 1 file changed, 19 insertions(+), 7 deletions(-) diff --git a/arch/x86/platform/ce4100/ce4100.c b/arch/x86/platform/ce4100/ce4100.c index d2c0d51..b3436d3 100644 --- a/arch/x86/platform/ce4100/ce4100.c +++ b/arch/x86/platform/ce4100/ce4100.c @@ -15,21 +15,19 @@ #include #include +#include #include +#include #include +#include static int ce4100_i8042_detect(void) { return 0; } -static void __init sdv_find_smp_config(void) -{ -} - #ifdef CONFIG_SERIAL_8250 - static unsigned int mem_serial_in(struct uart_port *p, int offset) { offset = offset << p->regshift; @@ -118,6 +116,15 @@ static void __init sdv_arch_setup(void) sdv_serial_fixup(); } +#ifdef CONFIG_X86_IO_APIC +static void __cpuinit sdv_pci_init(void) +{ + x86_of_pci_init(); + /* We can't set this earlier, because we need to calibrate the timer */ + legacy_pic = &null_legacy_pic; +} +#endif + /* * CE4100 specific x86_init function overrides and early setup * calls. @@ -127,6 +134,11 @@ void __init x86_ce4100_early_setup(void) x86_init.oem.arch_setup = sdv_arch_setup; x86_platform.i8042_detect = ce4100_i8042_detect; x86_init.resources.probe_roms = x86_init_noop; - x86_init.mpparse.get_smp_config = x86_init_uint_noop; - x86_init.mpparse.find_smp_config = sdv_find_smp_config; + x86_init.mpparse.get_smp_config = x86_dtb_get_config; + x86_init.mpparse.find_smp_config = x86_dtb_find_config; + +#ifdef CONFIG_X86_IO_APIC + x86_init.pci.init_irq = sdv_pci_init; + x86_init.mpparse.setup_ioapic_ids = setup_ioapic_ids_from_mpc_nocheck; +#endif } -- 2.7.4