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Commit 6cdeddcc authored by Amit Daniel Kachhap's avatar Amit Daniel Kachhap Committed by Kukjin Kim
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ARM: EXYNOS: Enable l2 configuration through device tree 



This patch enables calling generic l2 setup functions if device tree is used.

Signed-off-by: default avatarAmit Daniel Kachhap <amit.kachhap@linaro.org>
Signed-off-by: default avatarKukjin Kim <kgene.kim@samsung.com>
parent d0341c61

arch/arm/mach-exynos/common.c

+11 −2
Original line number Diff line number Diff line
@@ -47,6 +47,8 @@ 
#include <plat/regs-serial.h>



#include "common.h"

#define L2_AUX_VAL 0x7C470001

#define L2_AUX_MASK 0xC200ffff



static const char name_exynos4210[] = "EXYNOS4210";

static const char name_exynos4212[] = "EXYNOS4212";
@@ -443,6 +445,14 @@ core_initcall(exynos4_core_init); 
#ifdef CONFIG_CACHE_L2X0

static int __init exynos4_l2x0_cache_init(void)

{

	int ret;

	ret = l2x0_of_init(L2_AUX_VAL, L2_AUX_MASK);

	if (!ret) {

		l2x0_regs_phys = virt_to_phys(&l2x0_saved_regs);

		clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));

		return 0;

	}



	if (!(__raw_readl(S5P_VA_L2CC + L2X0_CTRL) & 0x1)) {

		l2x0_saved_regs.phy_base = EXYNOS4_PA_L2CC;

		/* TAG, Data Latency Control: 2 cycles */
@@ -476,8 +486,7 @@ static int __init exynos4_l2x0_cache_init(void) 
		clean_dcache_area(&l2x0_saved_regs, sizeof(struct l2x0_regs));

	}



	l2x0_init(S5P_VA_L2CC, 0x7C470001, 0xC200ffff);



	l2x0_init(S5P_VA_L2CC, L2_AUX_VAL, L2_AUX_MASK);

	return 0;

}