mpc85xx: add support for Extreme Networks WS-AP3825i

[openwrt/staging/mkresin.git] / target / linux / mpc85xx / files / arch / powerpc / platforms / 85xx / ws-ap3825i.c

diff --git a/target/linux/mpc85xx/files/arch/powerpc/platforms/85xx/ws-ap3825i.c b/target/linux/mpc85xx/files/arch/powerpc/platforms/85xx/ws-ap3825i.c
new file mode 100644 (file)
index 0000000..5a0919c
--- /dev/null
+++ b/target/linux/mpc85xx/files/arch/powerpc/platforms/85xx/ws-ap3825i.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+/*
+ * Extreme Networks WS-AP3825i Board Setup
+ *
+ * Copyright (C) 2021 Martin Kennedy <hurricos@gmail.com>
+ *
+ * Based on:
+ *   mpc85xx_rdb.c:
+ *      MPC85xx RDB Board Setup
+ *      Copyright 2013 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/delay.h>
+#include <linux/interrupt.h>
+#include <linux/of_platform.h>
+
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <mm/mmu_decl.h>
+#include <asm/prom.h>
+#include <asm/udbg.h>
+#include <asm/mpic.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+#include "smp.h"
+
+#include "mpc85xx.h"
+
+void __init ws_ap3825i_pic_init(void)
+{
+       struct mpic *mpic;
+
+       mpic = mpic_alloc(NULL, 0,
+         MPIC_BIG_ENDIAN |
+         MPIC_SINGLE_DEST_CPU,
+         0, 256, " OpenPIC  ");
+
+       BUG_ON(mpic == NULL);
+       mpic_init(mpic);
+}
+
+/*
+ * Setup the architecture
+ */
+static void __init ws_ap3825i_setup_arch(void)
+{
+       if (ppc_md.progress)
+               ppc_md.progress("ws_ap3825i_setup_arch()", 0);
+
+       mpc85xx_smp_init();
+
+       fsl_pci_assign_primary();
+
+       pr_info("WS-AP3825i board from Extreme Networks\n");
+}
+
+machine_arch_initcall(ws_ap3825i, mpc85xx_common_publish_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init ws_ap3825i_probe(void)
+{
+       if (of_machine_is_compatible("extreme-networks,ws-ap3825i"))
+               return 1;
+       return 0;
+}
+
+define_machine(ws_ap3825i) {
+       .name                   = "P1020 RDB",
+       .probe                  = ws_ap3825i_probe,
+       .setup_arch             = ws_ap3825i_setup_arch,
+       .init_IRQ               = ws_ap3825i_pic_init,
+#ifdef CONFIG_PCI
+       .pcibios_fixup_bus      = fsl_pcibios_fixup_bus,
+       .pcibios_fixup_phb      = fsl_pcibios_fixup_phb,
+#endif
+       .get_irq                = mpic_get_irq,
+       .calibrate_decr         = generic_calibrate_decr,
+       .progress               = udbg_progress,
+};