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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/powerpc/platforms/85xx/socrates.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/powerpc/platforms/85xx/socrates.c')
-rw-r--r--arch/powerpc/platforms/85xx/socrates.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/socrates.c b/arch/powerpc/platforms/85xx/socrates.c
new file mode 100644
index 000000000..09f64470c
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/socrates.c
@@ -0,0 +1,91 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2008 Emcraft Systems
+ * Sergei Poselenov <sposelenov@emcraft.com>
+ *
+ * Based on MPC8560 ADS and arch/ppc tqm85xx ports
+ *
+ * Maintained by Kumar Gala (see MAINTAINERS for contact information)
+ *
+ * Copyright 2008 Freescale Semiconductor Inc.
+ *
+ * Copyright (c) 2005-2006 DENX Software Engineering
+ * Stefan Roese <sr@denx.de>
+ *
+ * Based on original work by
+ * Kumar Gala <kumar.gala@freescale.com>
+ * Copyright 2004 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/mpic.h>
+#include <mm/mmu_decl.h>
+#include <asm/udbg.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+#include "mpc85xx.h"
+#include "socrates_fpga_pic.h"
+
+static void __init socrates_pic_init(void)
+{
+ struct device_node *np;
+
+ struct mpic *mpic = mpic_alloc(NULL, 0, MPIC_BIG_ENDIAN,
+ 0, 256, " OpenPIC ");
+ BUG_ON(mpic == NULL);
+ mpic_init(mpic);
+
+ np = of_find_compatible_node(NULL, NULL, "abb,socrates-fpga-pic");
+ if (!np) {
+ printk(KERN_ERR "Could not find socrates-fpga-pic node\n");
+ return;
+ }
+ socrates_fpga_pic_init(np);
+ of_node_put(np);
+}
+
+/*
+ * Setup the architecture
+ */
+static void __init socrates_setup_arch(void)
+{
+ if (ppc_md.progress)
+ ppc_md.progress("socrates_setup_arch()", 0);
+
+ fsl_pci_assign_primary();
+}
+
+machine_arch_initcall(socrates, mpc85xx_common_publish_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init socrates_probe(void)
+{
+ if (of_machine_is_compatible("abb,socrates"))
+ return 1;
+
+ return 0;
+}
+
+define_machine(socrates) {
+ .name = "Socrates",
+ .probe = socrates_probe,
+ .setup_arch = socrates_setup_arch,
+ .init_IRQ = socrates_pic_init,
+ .get_irq = mpic_get_irq,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+};