diff mbox series

[NEXT,v2,4/4] powerpc/pasemi: Connect Nemo boot code.

Message ID 4c6da168591.7567d73b@auth.smtp.1and1.co.uk (mailing list archive)
State Superseded
Headers show
Series [NEXT,v2,1/4] powerpc/pasemi: Add PCI initialisation for Nemo board. | expand

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Commit Message

Darren Stevens Aug. 19, 2018, 8:26 p.m. UTC 
The previous 3 commits added support code for the Nemo motherbard
as used in the Amigaone X1000, now wire them up so the board can
be detected and initalised at boot time.
    
Signed-off-by: Darren Stevens <Darren@stevens-zone.net>

---

Changes made:

v2: Changed init code to be empty when NEMO=n rather than using
    #ifdefs
diff mbox series

Patch

diff --git a/arch/powerpc/platforms/pasemi/pci.c b/arch/powerpc/platforms/pasemi/pci.c
index c230acc..3ed0ff6 100644
--- a/arch/powerpc/platforms/pasemi/pci.c
+++ b/arch/powerpc/platforms/pasemi/pci.c
@@ -27,6 +27,7 @@ 
 #include <linux/pci.h>
 
 #include <asm/pci-bridge.h>
+#include <asm/isa-bridge.h>
 #include <asm/machdep.h>
 
 #include <asm/ppc-pci.h>
@@ -182,6 +183,8 @@  static int pa_pxp_read_config(struct pci_bus *bus, unsigned int devfn,
 
 	addr = pa_pxp_cfg_addr(hose, bus->number, devfn, offset);
 
+	sb600_set_flag(bus->number);
+
 	/*
 	 * Note: the caller has already checked that offset is
 	 * suitably aligned and that len is 1, 2 or 4.
@@ -216,6 +219,8 @@  static int pa_pxp_write_config(struct pci_bus *bus, unsigned int devfn,
 
 	addr = pa_pxp_cfg_addr(hose, bus->number, devfn, offset);
 
+	sb600_set_flag(bus->number);
+
 	/*
 	 * Note: the caller has already checked that offset is
 	 * suitably aligned and that len is 1, 2 or 4.
@@ -266,6 +271,11 @@  static int __init pas_add_bridge(struct device_node *dev)
 	/* Interpret the "ranges" property */
 	pci_process_bridge_OF_ranges(hose, dev, 1);
 
+	/* Scan for an isa bridge. This is needed to find the SB600
+	   on the nemo and does nothing on machines without one
+	 */
+	isa_bridge_find_early(hose);
+
 	return 0;
 }
 
diff --git a/arch/powerpc/platforms/pasemi/setup.c b/arch/powerpc/platforms/pasemi/setup.c
index 98bf2f7..49e67cf 100644
--- a/arch/powerpc/platforms/pasemi/setup.c
+++ b/arch/powerpc/platforms/pasemi/setup.c
@@ -314,6 +314,8 @@  static __init void pas_init_IRQ(void)
 		mpic_unmask_irq(irq_get_irq_data(nmi_virq));
 	}
 
+	nemo_init_IRQ(mpic);
+
 	of_node_put(mpic_node);
 	of_node_put(root);
 }
@@ -475,6 +477,8 @@  static int __init pasemi_publish_devices(void)
 	/* Publish OF platform devices for SDC and other non-PCI devices */
 	of_platform_bus_probe(NULL, pasemi_bus_ids, NULL);
 
+	nemo_init_rtc();
+
 	return 0;
 }
 machine_device_initcall(pasemi, pasemi_publish_devices);
@@ -489,6 +493,17 @@  static int __init pas_probe(void)
 	    !of_machine_is_compatible("pasemi,pwrficient"))
 		return 0;
 
+#ifdef CONFIG_PPC_PASEMI_NEMO
+	/*
+	 * Check for the Nemo motherboard here, if we are running on one
+	 * change the machine definition to fit
+	 */
+	if (of_machine_is_compatible("pasemi,nemo")) {
+		pm_power_off		= pas_shutdown;
+		ppc_md.name		= "A-EON Amigaone X1000";
+	}
+#endif
+
 	iommu_init_early_pasemi();
 
 	return 1;