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-rw-r--r--arch/powerpc/platforms/85xx/Kconfig39
-rw-r--r--arch/powerpc/platforms/85xx/Makefile1
-rw-r--r--arch/powerpc/platforms/85xx/tqm85xx.c191
3 files changed, 231 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 26f9cd52e9f3..7896f0686bca 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -46,8 +46,47 @@ config STX_GP3
select DEFAULT_UIMAGE
select PPC_CPM_NEW_BINDING
+config TQM8540
+ bool "TQ Components TQM8540"
+ help
+ This option enables support for the TQ Components TQM8540 board.
+ select DEFAULT_UIMAGE
+ select PPC_CPM_NEW_BINDING
+ select TQM85xx
+
+config TQM8541
+ bool "TQ Components TQM8541"
+ help
+ This option enables support for the TQ Components TQM8541 board.
+ select DEFAULT_UIMAGE
+ select PPC_CPM_NEW_BINDING
+ select TQM85xx
+ select CPM2
+
+config TQM8555
+ bool "TQ Components TQM8555"
+ help
+ This option enables support for the TQ Components TQM8555 board.
+ select DEFAULT_UIMAGE
+ select PPC_CPM_NEW_BINDING
+ select TQM85xx
+ select CPM2
+
+config TQM8560
+ bool "TQ Components TQM8560"
+ help
+ This option enables support for the TQ Components TQM8560 board.
+ select DEFAULT_UIMAGE
+ select PPC_CPM_NEW_BINDING
+ select TQM85xx
+ select CPM2
+
endchoice
+config TQM85xx
+ bool
+ select MPC85xx
+
config MPC8540
bool
select PPC_UDBG_16550
diff --git a/arch/powerpc/platforms/85xx/Makefile b/arch/powerpc/platforms/85xx/Makefile
index bf7d2e1c07e7..8c761d1671a1 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -7,3 +7,4 @@ obj-$(CONFIG_MPC85xx_CDS) += mpc85xx_cds.o
obj-$(CONFIG_MPC85xx_DS) += mpc85xx_ds.o
obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
obj-$(CONFIG_STX_GP3) += stx_gp3.o
+obj-$(CONFIG_TQM85xx) += tqm85xx.o
diff --git a/arch/powerpc/platforms/85xx/tqm85xx.c b/arch/powerpc/platforms/85xx/tqm85xx.c
new file mode 100644
index 000000000000..2a08b315e190
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/tqm85xx.c
@@ -0,0 +1,191 @@
+/*
+ * 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.
+ *
+ * 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/system.h>
+#include <asm/time.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/mpic.h>
+#include <asm/prom.h>
+#include <mm/mmu_decl.h>
+#include <asm/udbg.h>
+
+#include <sysdev/fsl_soc.h>
+#include <sysdev/fsl_pci.h>
+
+#ifdef CONFIG_CPM2
+#include <asm/cpm2.h>
+#include <sysdev/cpm2_pic.h>
+
+static void cpm2_cascade(unsigned int irq, struct irq_desc *desc)
+{
+ int cascade_irq;
+
+ while ((cascade_irq = cpm2_get_irq()) >= 0)
+ generic_handle_irq(cascade_irq);
+
+ desc->chip->eoi(irq);
+}
+#endif /* CONFIG_CPM2 */
+
+static void __init tqm85xx_pic_init(void)
+{
+ struct mpic *mpic;
+ struct resource r;
+ struct device_node *np;
+#ifdef CONFIG_CPM2
+ int irq;
+#endif
+
+ np = of_find_node_by_type(NULL, "open-pic");
+ if (!np) {
+ printk(KERN_ERR "Could not find open-pic node\n");
+ return;
+ }
+
+ if (of_address_to_resource(np, 0, &r)) {
+ printk(KERN_ERR "Could not map mpic register space\n");
+ of_node_put(np);
+ return;
+ }
+
+ mpic = mpic_alloc(np, r.start,
+ MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+ 0, 256, " OpenPIC ");
+ BUG_ON(mpic == NULL);
+ of_node_put(np);
+
+ mpic_init(mpic);
+
+#ifdef CONFIG_CPM2
+ /* Setup CPM2 PIC */
+ np = of_find_compatible_node(NULL, NULL, "fsl,cpm2-pic");
+ if (np == NULL) {
+ printk(KERN_ERR "PIC init: can not find fsl,cpm2-pic node\n");
+ return;
+ }
+ irq = irq_of_parse_and_map(np, 0);
+
+ if (irq == NO_IRQ) {
+ of_node_put(np);
+ printk(KERN_ERR "PIC init: got no IRQ for cpm cascade\n");
+ return;
+ }
+
+ cpm2_pic_init(np);
+ of_node_put(np);
+ set_irq_chained_handler(irq, cpm2_cascade);
+#endif
+}
+
+/*
+ * Setup the architecture
+ */
+static void __init tqm85xx_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+ struct device_node *np;
+#endif
+
+ if (ppc_md.progress)
+ ppc_md.progress("tqm85xx_setup_arch()", 0);
+
+#ifdef CONFIG_CPM2
+ cpm2_reset();
+#endif
+
+#ifdef CONFIG_PCI
+ for_each_compatible_node(np, "pci", "fsl,mpc8540-pci")
+ fsl_add_bridge(np, 1);
+#endif
+}
+
+static void tqm85xx_show_cpuinfo(struct seq_file *m)
+{
+ uint pvid, svid, phid1;
+ uint memsize = total_memory;
+
+ pvid = mfspr(SPRN_PVR);
+ svid = mfspr(SPRN_SVR);
+
+ seq_printf(m, "Vendor\t\t: TQ Components\n");
+ seq_printf(m, "PVR\t\t: 0x%x\n", pvid);
+ seq_printf(m, "SVR\t\t: 0x%x\n", svid);
+
+ /* Display cpu Pll setting */
+ phid1 = mfspr(SPRN_HID1);
+ seq_printf(m, "PLL setting\t: 0x%x\n", ((phid1 >> 24) & 0x3f));
+
+ /* Display the amount of memory */
+ seq_printf(m, "Memory\t\t: %d MB\n", memsize / (1024 * 1024));
+}
+
+static struct of_device_id __initdata of_bus_ids[] = {
+ { .name = "soc", },
+ { .type = "soc", },
+ { .name = "cpm", },
+ { .name = "localbus", },
+ { .compatible = "simple-bus", },
+ {},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+ of_platform_bus_probe(NULL, of_bus_ids, NULL);
+
+ return 0;
+}
+machine_device_initcall(tqm85xx, declare_of_platform_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init tqm85xx_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ if ((of_flat_dt_is_compatible(root, "tqm,8540")) ||
+ (of_flat_dt_is_compatible(root, "tqm,8541")) ||
+ (of_flat_dt_is_compatible(root, "tqm,8555")) ||
+ (of_flat_dt_is_compatible(root, "tqm,8560")))
+ return 1;
+
+ return 0;
+}
+
+define_machine(tqm85xx) {
+ .name = "TQM85xx",
+ .probe = tqm85xx_probe,
+ .setup_arch = tqm85xx_setup_arch,
+ .init_IRQ = tqm85xx_pic_init,
+ .show_cpuinfo = tqm85xx_show_cpuinfo,
+ .get_irq = mpic_get_irq,
+ .restart = fsl_rstcr_restart,
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+};
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