From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 arch/powerpc/platforms/86xx/sbc8641d.c | 124 +++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)
 create mode 100644 arch/powerpc/platforms/86xx/sbc8641d.c

(limited to 'arch/powerpc/platforms/86xx/sbc8641d.c')

diff --git a/arch/powerpc/platforms/86xx/sbc8641d.c b/arch/powerpc/platforms/86xx/sbc8641d.c
new file mode 100644
index 000000000..6810b71d5
--- /dev/null
+++ b/arch/powerpc/platforms/86xx/sbc8641d.c
@@ -0,0 +1,124 @@
+/*
+ * SBC8641D board specific routines
+ *
+ * Copyright 2008 Wind River Systems Inc.
+ *
+ * By Paul Gortmaker (see MAINTAINERS for contact information)
+ *
+ * Based largely on the 8641 HPCN support by Freescale Semiconductor Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#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/mpic.h>
+
+#include <sysdev/fsl_pci.h>
+#include <sysdev/fsl_soc.h>
+
+#include "mpc86xx.h"
+
+static void __init
+sbc8641_setup_arch(void)
+{
+	if (ppc_md.progress)
+		ppc_md.progress("sbc8641_setup_arch()", 0);
+
+	printk("SBC8641 board from Wind River\n");
+
+#ifdef CONFIG_SMP
+	mpc86xx_smp_init();
+#endif
+
+	fsl_pci_assign_primary();
+}
+
+
+static void
+sbc8641_show_cpuinfo(struct seq_file *m)
+{
+	uint svid = mfspr(SPRN_SVR);
+
+	seq_printf(m, "Vendor\t\t: Wind River Systems\n");
+
+	seq_printf(m, "SVR\t\t: 0x%x\n", svid);
+}
+
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init sbc8641_probe(void)
+{
+	unsigned long root = of_get_flat_dt_root();
+
+	if (of_flat_dt_is_compatible(root, "wind,sbc8641"))
+		return 1;	/* Looks good */
+
+	return 0;
+}
+
+static long __init
+mpc86xx_time_init(void)
+{
+	unsigned int temp;
+
+	/* Set the time base to zero */
+	mtspr(SPRN_TBWL, 0);
+	mtspr(SPRN_TBWU, 0);
+
+	temp = mfspr(SPRN_HID0);
+	temp |= HID0_TBEN;
+	mtspr(SPRN_HID0, temp);
+	asm volatile("isync");
+
+	return 0;
+}
+
+static const struct of_device_id of_bus_ids[] __initconst = {
+	{ .compatible = "simple-bus", },
+	{ .compatible = "gianfar", },
+	{ .compatible = "fsl,mpc8641-pcie", },
+	{},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+	of_platform_bus_probe(NULL, of_bus_ids, NULL);
+
+	return 0;
+}
+machine_arch_initcall(sbc8641, declare_of_platform_devices);
+
+define_machine(sbc8641) {
+	.name			= "SBC8641D",
+	.probe			= sbc8641_probe,
+	.setup_arch		= sbc8641_setup_arch,
+	.init_IRQ		= mpc86xx_init_irq,
+	.show_cpuinfo		= sbc8641_show_cpuinfo,
+	.get_irq		= mpic_get_irq,
+	.restart		= fsl_rstcr_restart,
+	.time_init		= mpc86xx_time_init,
+	.calibrate_decr		= generic_calibrate_decr,
+	.progress		= udbg_progress,
+#ifdef CONFIG_PCI
+	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
+#endif
+};
-- 
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