This moves rtas-proc.c and rtas_flash.c into arch/powerpc/kernel, since cell wants them as well as pseries (and chrp can use rtas-proc.c too, at least in principle). rtas_fw.c is gone, with its bits moved into rtas_flash.c and rtas.c. Signed-off-by: Paul Mackerras <paulus@samba.org>tirimbino
Paul Mackerras
20 years ago
parent
398382999b
commit
f4fcbbe9a7
@ -1,136 +0,0 @@ |
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/*
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* |
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* Procedures for firmware flash updates. |
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* |
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* Peter Bergner, IBM March 2001. |
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* Copyright (C) 2001 IBM. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version |
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* 2 of the License, or (at your option) any later version. |
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*/ |
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#include <stdarg.h> |
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#include <linux/kernel.h> |
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#include <linux/types.h> |
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#include <linux/spinlock.h> |
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#include <linux/module.h> |
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#include <linux/init.h> |
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#include <asm/prom.h> |
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#include <asm/rtas.h> |
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#include <asm/semaphore.h> |
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#include <asm/machdep.h> |
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#include <asm/page.h> |
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#include <asm/param.h> |
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#include <asm/system.h> |
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#include <asm/abs_addr.h> |
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#include <asm/udbg.h> |
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#include <asm/delay.h> |
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#include <asm/uaccess.h> |
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#include <asm/systemcfg.h> |
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struct flash_block_list_header rtas_firmware_flash_list = {0, NULL}; |
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#define FLASH_BLOCK_LIST_VERSION (1UL) |
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static void rtas_flash_firmware(void) |
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{ |
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unsigned long image_size; |
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struct flash_block_list *f, *next, *flist; |
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unsigned long rtas_block_list; |
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int i, status, update_token; |
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update_token = rtas_token("ibm,update-flash-64-and-reboot"); |
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if (update_token == RTAS_UNKNOWN_SERVICE) { |
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printk(KERN_ALERT "FLASH: ibm,update-flash-64-and-reboot is not available -- not a service partition?\n"); |
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printk(KERN_ALERT "FLASH: firmware will not be flashed\n"); |
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return; |
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} |
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/* NOTE: the "first" block list is a global var with no data
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* blocks in the kernel data segment. We do this because |
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* we want to ensure this block_list addr is under 4GB. |
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*/ |
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rtas_firmware_flash_list.num_blocks = 0; |
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flist = (struct flash_block_list *)&rtas_firmware_flash_list; |
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rtas_block_list = virt_to_abs(flist); |
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if (rtas_block_list >= 4UL*1024*1024*1024) { |
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printk(KERN_ALERT "FLASH: kernel bug...flash list header addr above 4GB\n"); |
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return; |
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} |
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printk(KERN_ALERT "FLASH: preparing saved firmware image for flash\n"); |
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/* Update the block_list in place. */ |
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image_size = 0; |
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for (f = flist; f; f = next) { |
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/* Translate data addrs to absolute */ |
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for (i = 0; i < f->num_blocks; i++) { |
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f->blocks[i].data = (char *)virt_to_abs(f->blocks[i].data); |
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image_size += f->blocks[i].length; |
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} |
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next = f->next; |
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/* Don't translate NULL pointer for last entry */ |
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if (f->next) |
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f->next = (struct flash_block_list *)virt_to_abs(f->next); |
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else |
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f->next = NULL; |
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/* make num_blocks into the version/length field */ |
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f->num_blocks = (FLASH_BLOCK_LIST_VERSION << 56) | ((f->num_blocks+1)*16); |
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} |
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printk(KERN_ALERT "FLASH: flash image is %ld bytes\n", image_size); |
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printk(KERN_ALERT "FLASH: performing flash and reboot\n"); |
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rtas_progress("Flashing \n", 0x0); |
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rtas_progress("Please Wait... ", 0x0); |
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printk(KERN_ALERT "FLASH: this will take several minutes. Do not power off!\n"); |
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status = rtas_call(update_token, 1, 1, NULL, rtas_block_list); |
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switch (status) { /* should only get "bad" status */ |
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case 0: |
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printk(KERN_ALERT "FLASH: success\n"); |
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break; |
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case -1: |
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printk(KERN_ALERT "FLASH: hardware error. Firmware may not be not flashed\n"); |
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break; |
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case -3: |
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printk(KERN_ALERT "FLASH: image is corrupt or not correct for this platform. Firmware not flashed\n"); |
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break; |
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case -4: |
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printk(KERN_ALERT "FLASH: flash failed when partially complete. System may not reboot\n"); |
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break; |
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default: |
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printk(KERN_ALERT "FLASH: unknown flash return code %d\n", status); |
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break; |
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} |
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} |
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void rtas_flash_bypass_warning(void) |
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{ |
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printk(KERN_ALERT "FLASH: firmware flash requires a reboot\n"); |
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printk(KERN_ALERT "FLASH: the firmware image will NOT be flashed\n"); |
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} |
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void rtas_fw_restart(char *cmd) |
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{ |
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if (rtas_firmware_flash_list.next) |
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rtas_flash_firmware(); |
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rtas_restart(cmd); |
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} |
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void rtas_fw_power_off(void) |
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{ |
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if (rtas_firmware_flash_list.next) |
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rtas_flash_bypass_warning(); |
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rtas_power_off(); |
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} |
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void rtas_fw_halt(void) |
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{ |
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if (rtas_firmware_flash_list.next) |
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rtas_flash_bypass_warning(); |
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rtas_halt(); |
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} |
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EXPORT_SYMBOL(rtas_firmware_flash_list); |
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@ -1,5 +1,5 @@ |
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obj-y := pci.o lpar.o hvCall.o nvram.o reconfig.o \
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setup.o iommu.o ras.o
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setup.o iommu.o ras.o rtasd.o
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obj-$(CONFIG_SMP) += smp.o
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obj-$(CONFIG_IBMVIO) += vio.o
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obj-$(CONFIG_XICS) += xics.o
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