arm: rework lib directory to support arm64

This commit create a common directory, lib/,
for arm and arm64 common code.

It also create lib32/ and lib64/ for 32bit
and 64bit code respectively.

Signed-off-by: Raphael Poggi <poggi.raph@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 0 insertions, 281 deletions

diff --git a/arch/arm/lib/armlinux.c b/arch/arm/lib/armlinux.c
deleted file mode 100644
index 47b9bd33ed..0000000000
--- a/arch/arm/lib/armlinux.c
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * Copyright (C) 2001  Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- */
-
-#include <boot.h>
-#include <common.h>
-#include <command.h>
-#include <driver.h>
-#include <environment.h>
-#include <image.h>
-#include <init.h>
-#include <fs.h>
-#include <linux/list.h>
-#include <xfuncs.h>
-#include <malloc.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <memory.h>
-#include <of.h>
-#include <magicvar.h>
-
-#include <asm/byteorder.h>
-#include <asm/setup.h>
-#include <asm/barebox-arm.h>
-#include <asm/armlinux.h>
-#include <asm/system.h>
-
-static struct tag *params;
-static void *armlinux_bootparams = NULL;
-
-static int armlinux_architecture;
-static u32 armlinux_system_rev;
-static u64 armlinux_system_serial;
-
-BAREBOX_MAGICVAR(armlinux_architecture, "ARM machine ID");
-BAREBOX_MAGICVAR(armlinux_system_rev, "ARM system revision");
-BAREBOX_MAGICVAR(armlinux_system_serial, "ARM system serial");
-
-void armlinux_set_architecture(int architecture)
-{
-	export_env_ull("armlinux_architecture", architecture);
-	armlinux_architecture = architecture;
-}
-
-int armlinux_get_architecture(void)
-{
-	getenv_uint("armlinux_architecture", &armlinux_architecture);
-
-	return armlinux_architecture;
-}
-
-void armlinux_set_revision(unsigned int rev)
-{
-	export_env_ull("armlinux_system_rev", rev);
-	armlinux_system_rev = rev;
-}
-
-unsigned int armlinux_get_revision(void)
-{
-	getenv_uint("armlinux_system_rev", &armlinux_system_rev);
-
-	return armlinux_system_rev;
-}
-
-void armlinux_set_serial(u64 serial)
-{
-	export_env_ull("armlinux_system_serial", serial);
-	armlinux_system_serial = serial;
-}
-
-u64 armlinux_get_serial(void)
-{
-	getenv_ull("armlinux_system_serial", &armlinux_system_serial);
-
-	return armlinux_system_serial;
-}
-
-void armlinux_set_bootparams(void *params)
-{
-	armlinux_bootparams = params;
-}
-
-static struct tag *armlinux_get_bootparams(void)
-{
-	struct memory_bank *mem;
-
-	if (armlinux_bootparams)
-		return armlinux_bootparams;
-
-	for_each_memory_bank(mem)
-		return (void *)mem->start + 0x100;
-
-	BUG();
-}
-
-#ifdef CONFIG_ARM_BOARD_APPEND_ATAG
-static struct tag *(*atag_appender)(struct tag *);
-void armlinux_set_atag_appender(struct tag *(*func)(struct tag *))
-{
-	atag_appender = func;
-}
-#endif
-
-static void setup_start_tag(void)
-{
-	params = armlinux_get_bootparams();
-
-	params->hdr.tag = ATAG_CORE;
-	params->hdr.size = tag_size(tag_core);
-
-	params->u.core.flags = 0;
-	params->u.core.pagesize = 0;
-	params->u.core.rootdev = 0;
-
-	params = tag_next(params);
-}
-
-static void setup_memory_tags(void)
-{
-	struct memory_bank *bank;
-
-	for_each_memory_bank(bank) {
-		params->hdr.tag = ATAG_MEM;
-		params->hdr.size = tag_size(tag_mem32);
-
-		params->u.mem.start = bank->start;
-		params->u.mem.size = bank->size;
-
-		params = tag_next(params);
-	}
-}
-
-static void setup_commandline_tag(const char *commandline, int swap)
-{
-	const char *p;
-	size_t words;
-
-	if (!commandline)
-		return;
-
-	/* eat leading white space */
-	for (p = commandline; *p == ' '; p++) ;
-
-	/*
-	 * skip non-existent command lines so the kernel will still
-	 * use its default command line.
-	 */
-	if (*p == '\0')
-		return;
-
-	words = (strlen(p) + 1 /* NUL */ + 3 /* round up */) >> 2;
-	params->hdr.tag = ATAG_CMDLINE;
-	params->hdr.size = (sizeof(struct tag_header) >> 2) + words;
-
-	strcpy(params->u.cmdline.cmdline, p);
-
-#ifdef CONFIG_BOOT_ENDIANNESS_SWITCH
-	if (swap) {
-		u32 *cmd = (u32 *)params->u.cmdline.cmdline;
-		while (words--)
-			cmd[words] = swab32(cmd[words]);
-	}
-#endif
-
-	params = tag_next(params);
-}
-
-static void setup_revision_tag(void)
-{
-	u32 system_rev = armlinux_get_revision();
-
-	if (system_rev) {
-		params->hdr.tag = ATAG_REVISION;
-		params->hdr.size = tag_size(tag_revision);
-
-		params->u.revision.rev = system_rev;
-
-		params = tag_next(params);
-	}
-}
-
-static void setup_serial_tag(void)
-{
-	u64 system_serial = armlinux_get_serial();
-
-	if (system_serial) {
-		params->hdr.tag = ATAG_SERIAL;
-		params->hdr.size = tag_size(tag_serialnr);
-
-		params->u.serialnr.low  = system_serial & 0xffffffff;
-		params->u.serialnr.high = system_serial >> 32;
-
-		params = tag_next(params);
-	}
-}
-
-static void setup_initrd_tag(unsigned long start, unsigned long size)
-{
-	/* an ATAG_INITRD node tells the kernel where the compressed
-	 * ramdisk can be found. ATAG_RDIMG is a better name, actually.
-	 */
-	params->hdr.tag = ATAG_INITRD2;
-	params->hdr.size = tag_size(tag_initrd);
-
-	params->u.initrd.start = start;
-	params->u.initrd.size = size;
-
-	params = tag_next(params);
-}
-
-static void setup_end_tag (void)
-{
-	params->hdr.tag = ATAG_NONE;
-	params->hdr.size = 0;
-}
-
-static void setup_tags(unsigned long initrd_address,
-		unsigned long initrd_size, int swap)
-{
-	const char *commandline = linux_bootargs_get();
-
-	setup_start_tag();
-	setup_memory_tags();
-	setup_commandline_tag(commandline, swap);
-
-	if (initrd_size)
-		setup_initrd_tag(initrd_address, initrd_size);
-
-	setup_revision_tag();
-	setup_serial_tag();
-#ifdef CONFIG_ARM_BOARD_APPEND_ATAG
-	if (atag_appender != NULL)
-		params = atag_appender(params);
-#endif
-	setup_end_tag();
-
-	printf("commandline: %s\n"
-	       "arch_number: %d\n", commandline, armlinux_get_architecture());
-
-}
-
-void start_linux(void *adr, int swap, unsigned long initrd_address,
-		unsigned long initrd_size, void *oftree)
-{
-	void (*kernel)(int zero, int arch, void *params) = adr;
-	void *params = NULL;
-	int architecture;
-
-	if (oftree) {
-		pr_debug("booting kernel with devicetree\n");
-		params = oftree;
-	} else {
-		setup_tags(initrd_address, initrd_size, swap);
-		params = armlinux_get_bootparams();
-	}
-	architecture = armlinux_get_architecture();
-
-	shutdown_barebox();
-	if (swap) {
-		u32 reg;
-		__asm__ __volatile__("mrc p15, 0, %0, c1, c0" : "=r" (reg));
-		reg ^= CR_B; /* swap big-endian flag */
-		__asm__ __volatile__("mcr p15, 0, %0, c1, c0" :: "r" (reg));
-	}
-
-	kernel(0, architecture, params);
-}