[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 8

The attached patches provides part 8 of an architecture implementation
for the Tensilica Xtensa CPU series.

Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 121 insertions, 0 deletions

diff --git a/include/asm-xtensa/platform-iss/hardware.h b/include/asm-xtensa/platform-iss/hardware.h
new file mode 100644
index 000000000000..22240f001803
--- /dev/null
+++ b/include/asm-xtensa/platform-iss/hardware.h
@@ -0,0 +1,29 @@
+/*
+ * include/asm-xtensa/platform-iss/hardware.h
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 Tensilica Inc.
+ */
+
+/*
+ * This file contains the default configuration of ISS.
+ */
+
+#ifndef __ASM_XTENSA_ISS_HARDWARE
+#define __ASM_XTENSA_ISS_HARDWARE
+
+/*
+ * Memory configuration.
+ */
+
+#define PLATFORM_DEFAULT_MEM_START XSHAL_RAM_PADDR
+#define PLATFORM_DEFAULT_MEM_SIZE XSHAL_RAM_VSIZE
+
+/*
+ * Interrupt configuration.
+ */
+
+#endif /* __ASM_XTENSA_ISS_HARDWARE */
diff --git a/include/asm-xtensa/platform.h b/include/asm-xtensa/platform.h
new file mode 100644
index 000000000000..36163894bc20
--- /dev/null
+++ b/include/asm-xtensa/platform.h
@@ -0,0 +1,92 @@
+/*
+ * include/asm-xtensa/platform.h
+ *
+ * Platform specific functions
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License.  See the file "COPYING" in the main directory of
+ * this archive for more details.
+ *
+ * Copyright (C) 2001 - 2005 Tensilica Inc.
+ */
+
+#ifndef _XTENSA_PLATFORM_H
+#define _XTENSA_PLATFORM_H
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+
+#include <asm/bootparam.h>
+
+/*
+ * platform_init is called before the mmu is initialized to give the
+ * platform a early hook-up. bp_tag_t is a list of configuration tags
+ * passed from the boot-loader.
+ */
+extern void platform_init(bp_tag_t*);
+
+/*
+ * platform_setup is called from setup_arch with a pointer to the command-line
+ * string.
+ */
+extern void platform_setup (char **);
+
+/*
+ * platform_init_irq is called from init_IRQ.
+ */
+extern void platform_init_irq (void);
+
+/*
+ * platform_restart is called to restart the system.
+ */
+extern void platform_restart (void);
+
+/*
+ * platform_halt is called to stop the system and halt.
+ */
+extern void platform_halt (void);
+
+/*
+ * platform_power_off is called to stop the system and power it off.
+ */
+extern void platform_power_off (void);
+
+/*
+ * platform_idle is called from the idle function.
+ */
+extern void platform_idle (void);
+
+/*
+ * platform_heartbeat is called every HZ
+ */
+extern void platform_heartbeat (void);
+
+/*
+ * platform_pcibios_init is called to allow the platform to setup the pci bus.
+ */
+extern void platform_pcibios_init (void);
+
+/*
+ * platform_pcibios_fixup allows to modify the PCI configuration.
+ */
+extern int platform_pcibios_fixup (void);
+
+/*
+ * platform_calibrate_ccount calibrates cpu clock freq (CONFIG_XTENSA_CALIBRATE)
+ */
+extern void platform_calibrate_ccount (void);
+
+/*
+ * platform_get_rtc_time returns RTC seconds (returns 0 for no error)
+ */
+extern int platform_get_rtc_time(time_t*);
+
+/*
+ * platform_set_rtc_time set RTC seconds (returns 0 for no error)
+ */
+extern int platform_set_rtc_time(time_t);
+
+
+#endif  /* _XTENSA_PLATFORM_H */
+