ARM: EXYNOS4: Add EXYNOS4 CPU initialization support

This patch adds EXYNOS4 CPU support files in mach-exynos4,
and basically they are moved from mach-s5pv310 so that it
can support Samsung's new CPU name, EXYNOS4.
The EXYNOS4 ingegrates a ARM Cortex A9 multi-core.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 0 insertions, 202 deletions

diff --git a/arch/arm/mach-s5pv310/cpu.c b/arch/arm/mach-s5pv310/cpu.c
deleted file mode 100644
index 0db0fb65bd70..000000000000
--- a/arch/arm/mach-s5pv310/cpu.c
+++ /dev/null
@@ -1,202 +0,0 @@
-/* linux/arch/arm/mach-s5pv310/cpu.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/sched.h>
-#include <linux/sysdev.h>
-
-#include <asm/mach/map.h>
-#include <asm/mach/irq.h>
-
-#include <asm/proc-fns.h>
-#include <asm/hardware/cache-l2x0.h>
-
-#include <plat/cpu.h>
-#include <plat/clock.h>
-#include <plat/s5pv310.h>
-#include <plat/sdhci.h>
-
-#include <mach/regs-irq.h>
-
-extern int combiner_init(unsigned int combiner_nr, void __iomem *base,
-			 unsigned int irq_start);
-extern void combiner_cascade_irq(unsigned int combiner_nr, unsigned int irq);
-
-/* Initial IO mappings */
-static struct map_desc s5pv310_iodesc[] __initdata = {
-	{
-		.virtual	= (unsigned long)S5P_VA_SYSRAM,
-		.pfn		= __phys_to_pfn(S5PV310_PA_SYSRAM),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_CMU,
-		.pfn		= __phys_to_pfn(S5PV310_PA_CMU),
-		.length		= SZ_128K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_PMU,
-		.pfn		= __phys_to_pfn(S5PV310_PA_PMU),
-		.length		= SZ_64K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_COMBINER_BASE,
-		.pfn		= __phys_to_pfn(S5PV310_PA_COMBINER),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_COREPERI_BASE,
-		.pfn		= __phys_to_pfn(S5PV310_PA_COREPERI),
-		.length		= SZ_8K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_L2CC,
-		.pfn		= __phys_to_pfn(S5PV310_PA_L2CC),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GPIO1,
-		.pfn		= __phys_to_pfn(S5PV310_PA_GPIO1),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GPIO2,
-		.pfn		= __phys_to_pfn(S5PV310_PA_GPIO2),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_GPIO3,
-		.pfn		= __phys_to_pfn(S5PV310_PA_GPIO3),
-		.length		= SZ_256,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_DMC0,
-		.pfn		= __phys_to_pfn(S5PV310_PA_DMC0),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S3C_VA_UART,
-		.pfn		= __phys_to_pfn(S3C_PA_UART),
-		.length		= SZ_512K,
-		.type		= MT_DEVICE,
-	}, {
-		.virtual	= (unsigned long)S5P_VA_SROMC,
-		.pfn		= __phys_to_pfn(S5PV310_PA_SROMC),
-		.length		= SZ_4K,
-		.type		= MT_DEVICE,
-	},
-};
-
-static void s5pv310_idle(void)
-{
-	if (!need_resched())
-		cpu_do_idle();
-
-	local_irq_enable();
-}
-
-/* s5pv310_map_io
- *
- * register the standard cpu IO areas
-*/
-void __init s5pv310_map_io(void)
-{
-	iotable_init(s5pv310_iodesc, ARRAY_SIZE(s5pv310_iodesc));
-
-	/* initialize device information early */
-	s5pv310_default_sdhci0();
-	s5pv310_default_sdhci1();
-	s5pv310_default_sdhci2();
-	s5pv310_default_sdhci3();
-}
-
-void __init s5pv310_init_clocks(int xtal)
-{
-	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
-
-	s3c24xx_register_baseclocks(xtal);
-	s5p_register_clocks(xtal);
-	s5pv310_register_clocks();
-	s5pv310_setup_clocks();
-}
-
-void __init s5pv310_init_irq(void)
-{
-	int irq;
-
-	gic_init(0, IRQ_LOCALTIMER, S5P_VA_GIC_DIST, S5P_VA_GIC_CPU);
-
-	for (irq = 0; irq < MAX_COMBINER_NR; irq++) {
-
-		/*
-		 * From SPI(0) to SPI(39) and SPI(51), SPI(53) are
-		 * connected to the interrupt combiner. These irqs
-		 * should be initialized to support cascade interrupt.
-		 */
-		if ((irq >= 40) && !(irq == 51) && !(irq == 53))
-			continue;
-
-		combiner_init(irq, (void __iomem *)S5P_VA_COMBINER(irq),
-				COMBINER_IRQ(irq, 0));
-		combiner_cascade_irq(irq, IRQ_SPI(irq));
-	}
-
-	/* The parameters of s5p_init_irq() are for VIC init.
-	 * Theses parameters should be NULL and 0 because S5PV310
-	 * uses GIC instead of VIC.
-	 */
-	s5p_init_irq(NULL, 0);
-}
-
-struct sysdev_class s5pv310_sysclass = {
-	.name	= "s5pv310-core",
-};
-
-static struct sys_device s5pv310_sysdev = {
-	.cls	= &s5pv310_sysclass,
-};
-
-static int __init s5pv310_core_init(void)
-{
-	return sysdev_class_register(&s5pv310_sysclass);
-}
-
-core_initcall(s5pv310_core_init);
-
-#ifdef CONFIG_CACHE_L2X0
-static int __init s5pv310_l2x0_cache_init(void)
-{
-	/* TAG, Data Latency Control: 2cycle */
-	__raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);
-	__raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
-
-	/* L2X0 Prefetch Control */
-	__raw_writel(0x30000007, S5P_VA_L2CC + L2X0_PREFETCH_CTRL);
-
-	/* L2X0 Power Control */
-	__raw_writel(L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN,
-		     S5P_VA_L2CC + L2X0_POWER_CTRL);
-
-	l2x0_init(S5P_VA_L2CC, 0x7C470001, 0xC200ffff);
-
-	return 0;
-}
-
-early_initcall(s5pv310_l2x0_cache_init);
-#endif
-
-int __init s5pv310_init(void)
-{
-	printk(KERN_INFO "S5PV310: Initializing architecture\n");
-
-	/* set idle function */
-	pm_idle = s5pv310_idle;
-
-	return sysdev_register(&s5pv310_sysdev);
-}