Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=0e0fffe887673a04bb8f8ec8287c5057e2ed8f27
Commit: 0e0fffe887673a04bb8f8ec8287c5057e2ed8f27
Parent: 3ad1f93155221510101399af105af6019c7a8e3d
Author: Paul Gortmaker <[EMAIL PROTECTED]>
AuthorDate: Thu Jan 24 18:41:27 2008 -0500
Committer: Kumar Gala <[EMAIL PROTECTED]>
CommitDate: Mon Jan 28 08:30:50 2008 -0600
[POWERPC] 85xx: Add basic support for Wind River SBC8548 board
This adds the basic support for the Wind River SBC8548 board, implemented
as powerpc. It closely follows the implementation of the MPC8548CDS.
Signed-off-by: Paul Gortmaker <[EMAIL PROTECTED]>
Signed-off-by: Kumar Gala <[EMAIL PROTECTED]>
---
arch/powerpc/platforms/85xx/Kconfig | 10 ++-
arch/powerpc/platforms/85xx/Makefile | 1 +
arch/powerpc/platforms/85xx/sbc8548.c | 169 +++++++++++++++++++++++++++++++++
3 files changed, 178 insertions(+), 2 deletions(-)
diff --git a/arch/powerpc/platforms/85xx/Kconfig
b/arch/powerpc/platforms/85xx/Kconfig
index 333779e..74779b9 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -83,6 +83,12 @@ config TQM8560
select TQM85xx
select CPM2
+config SBC8548
+ bool "Wind River SBC8548"
+ select DEFAULT_UIMAGE
+ help
+ This option enables support for the Wind River SBC8548 board
+
config SBC8560
bool "Wind River SBC8560"
select DEFAULT_UIMAGE
@@ -100,7 +106,7 @@ config MPC8540
bool
select PPC_UDBG_16550
select PPC_INDIRECT_PCI
- default y if MPC8540_ADS || MPC85xx_CDS
+ default y if MPC8540_ADS || MPC85xx_CDS || SBC8548
config MPC85xx
bool
@@ -110,4 +116,4 @@ config MPC85xx
select FSL_PCI if PCI
select SERIAL_8250_SHARE_IRQ if SERIAL_8250
default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS \
- || MPC85xx_MDS || MPC85xx_DS || STX_GP3 || SBC8560
+ || MPC85xx_MDS || MPC85xx_DS || STX_GP3 || SBC8560 || SBC8548
diff --git a/arch/powerpc/platforms/85xx/Makefile
b/arch/powerpc/platforms/85xx/Makefile
index 698f9f9..cb7af4e 100644
--- a/arch/powerpc/platforms/85xx/Makefile
+++ b/arch/powerpc/platforms/85xx/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_MPC85xx_MDS) += mpc85xx_mds.o
obj-$(CONFIG_STX_GP3) += stx_gp3.o
obj-$(CONFIG_TQM85xx) += tqm85xx.o
obj-$(CONFIG_SBC8560) += sbc8560.o
+obj-$(CONFIG_SBC8548) += sbc8548.o
diff --git a/arch/powerpc/platforms/85xx/sbc8548.c
b/arch/powerpc/platforms/85xx/sbc8548.c
new file mode 100644
index 0000000..de27b57
--- /dev/null
+++ b/arch/powerpc/platforms/85xx/sbc8548.c
@@ -0,0 +1,169 @@
+/*
+ * Wind River SBC8548 setup and early boot code.
+ *
+ * Copyright 2007 Wind River Systems Inc.
+ *
+ * By Paul Gortmaker (see MAINTAINERS for contact information)
+ *
+ * Based largely on the MPC8548CDS support - Copyright 2005 Freescale 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/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/pci.h>
+#include <linux/kdev_t.h>
+#include <linux/major.h>
+#include <linux/console.h>
+#include <linux/delay.h>
+#include <linux/seq_file.h>
+#include <linux/initrd.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/fsl_devices.h>
+#include <linux/of_platform.h>
+
+#include <asm/system.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <asm/atomic.h>
+#include <asm/time.h>
+#include <asm/io.h>
+#include <asm/machdep.h>
+#include <asm/ipic.h>
+#include <asm/pci-bridge.h>
+#include <asm/irq.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>
+
+static void __init sbc8548_pic_init(void)
+{
+ struct mpic *mpic;
+ struct resource r;
+ struct device_node *np = NULL;
+
+ np = of_find_node_by_type(np, "open-pic");
+
+ if (np == NULL) {
+ printk(KERN_ERR "Could not find open-pic node\n");
+ return;
+ }
+
+ if (of_address_to_resource(np, 0, &r)) {
+ printk(KERN_ERR "Failed to 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);
+
+ /* Return the mpic node */
+ of_node_put(np);
+
+ mpic_init(mpic);
+}
+
+/*
+ * Setup the architecture
+ */
+static void __init sbc8548_setup_arch(void)
+{
+#ifdef CONFIG_PCI
+ struct device_node *np;
+#endif
+
+ if (ppc_md.progress)
+ ppc_md.progress("sbc8548_setup_arch()", 0);
+
+#ifdef CONFIG_PCI
+ for_each_node_by_type(np, "pci") {
+ if (of_device_is_compatible(np, "fsl,mpc8540-pci") ||
+ of_device_is_compatible(np, "fsl,mpc8548-pcie")) {
+ struct resource rsrc;
+ of_address_to_resource(np, 0, &rsrc);
+ if ((rsrc.start & 0xfffff) == 0x8000)
+ fsl_add_bridge(np, 1);
+ else
+ fsl_add_bridge(np, 0);
+ }
+ }
+#endif
+}
+
+static void sbc8548_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: Wind River\n");
+ seq_printf(m, "Machine\t\t: SBC8548\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", },
+ {},
+};
+
+static int __init declare_of_platform_devices(void)
+{
+ if (!machine_is(sbc8548))
+ return 0;
+
+ of_platform_bus_probe(NULL, of_bus_ids, NULL);
+ return 0;
+}
+device_initcall(declare_of_platform_devices);
+
+/*
+ * Called very early, device-tree isn't unflattened
+ */
+static int __init sbc8548_probe(void)
+{
+ unsigned long root = of_get_flat_dt_root();
+
+ return of_flat_dt_is_compatible(root, "SBC8548");
+}
+
+define_machine(sbc8548) {
+ .name = "SBC8548",
+ .probe = sbc8548_probe,
+ .setup_arch = sbc8548_setup_arch,
+ .init_IRQ = sbc8548_pic_init,
+ .show_cpuinfo = sbc8548_show_cpuinfo,
+ .get_irq = mpic_get_irq,
+ .restart = fsl_rstcr_restart,
+#ifdef CONFIG_PCI
+ .pcibios_fixup_bus = fsl_pcibios_fixup_bus,
+#endif
+ .calibrate_decr = generic_calibrate_decr,
+ .progress = udbg_progress,
+};
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