1 files changed, 134 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
new file mode 100644
index 000000000..b697918b7
--- /dev/null
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * MPC86xx HPCN board specific routines
+ *
+ * Recode: ZHANG WEI <wei.zhang@freescale.com>
+ * Initial author: Xianghua Xiao <x.xiao@freescale.com>
+ *
+ * Copyright 2006 Freescale Semiconductor Inc.
+ */
+
+#include <linux/stddef.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/of_platform.h>
+
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/prom.h>
+#include <mm/mmu_decl.h>
+#include <asm/udbg.h>
+#include <asm/swiotlb.h>
+
+#include <asm/mpic.h>
+
+#include <sysdev/fsl_pci.h>
+#include <sysdev/fsl_soc.h>
+
+#include "mpc86xx.h"
+
+#undef DEBUG
+
+#ifdef DEBUG
+#define DBG(fmt...) do { printk(KERN_ERR fmt); } while(0)
+#else
+#define DBG(fmt...) do { } while(0)
+#endif
+
+#ifdef CONFIG_PCI
+extern int uli_exclude_device(struct pci_controller *hose,
+				u_char bus, u_char devfn);
+
+static int mpc86xx_exclude_device(struct pci_controller *hose,
+				   u_char bus, u_char devfn)
+{
+	if (hose->dn == fsl_pci_primary)
+		return uli_exclude_device(hose, bus, devfn);
+
+	return PCIBIOS_SUCCESSFUL;
+}
+#endif /* CONFIG_PCI */
+
+
+static void __init
+mpc86xx_hpcn_setup_arch(void)
+{
+	if (ppc_md.progress)
+		ppc_md.progress("mpc86xx_hpcn_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+	ppc_md.pci_exclude_device = mpc86xx_exclude_device;
+#endif
+
+	printk("MPC86xx HPCN board from Freescale Semiconductor\n");
+
+#ifdef CONFIG_SMP
+	mpc86xx_smp_init();
+#endif
+
+	fsl_pci_assign_primary();
+
+	swiotlb_detect_4g();
+}
+
+
+static void
+mpc86xx_hpcn_show_cpuinfo(struct seq_file *m)
+{
+	uint svid = mfspr(SPRN_SVR);
+
+	seq_printf(m, "Vendor\t\t: Freescale Semiconductor\n");
+
+	seq_printf(m, "SVR\t\t: 0x%x\n", svid);
+}
+
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init mpc86xx_hpcn_probe(void)
+{
+	if (of_machine_is_compatible("fsl,mpc8641hpcn"))
+		return 1;	/* Looks good */
+
+	/* Be nice and don't give silent boot death.  Delete this in 2.6.27 */
+	if (of_machine_is_compatible("mpc86xx")) {
+		pr_warn("WARNING: your dts/dtb is old. You must update before the next kernel release.\n");
+		return 1;
+	}
+
+	return 0;
+}
+
+static const struct of_device_id of_bus_ids[] __initconst = {
+	{ .compatible = "fsl,srio", },
+	{},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+	mpc86xx_common_publish_devices();
+	of_platform_bus_probe(NULL, of_bus_ids, NULL);
+
+	return 0;
+}
+machine_arch_initcall(mpc86xx_hpcn, declare_of_platform_devices);
+
+define_machine(mpc86xx_hpcn) {
+	.name			= "MPC86xx HPCN",
+	.probe			= mpc86xx_hpcn_probe,
+	.setup_arch		= mpc86xx_hpcn_setup_arch,
+	.init_IRQ		= mpc86xx_init_irq,
+	.show_cpuinfo		= mpc86xx_hpcn_show_cpuinfo,
+	.get_irq		= mpic_get_irq,
+	.time_init		= mpc86xx_time_init,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+};