From 7282bee78798294bb1f0211a842cdb9f4872db3d Mon Sep 17 00:00:00 2001 From: Chris Zankel Date: Thu, 23 Jun 2005 22:01:33 -0700 Subject: [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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/asm-xtensa/platform-iss/hardware.h | 29 ++++++++++ include/asm-xtensa/platform.h | 92 ++++++++++++++++++++++++++++++ 2 files changed, 121 insertions(+) create mode 100644 include/asm-xtensa/platform-iss/hardware.h create mode 100644 include/asm-xtensa/platform.h (limited to 'include/asm-xtensa') 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 +#include +#include + +#include + +/* + * 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 */ + -- cgit v1.2.3