Add 'smc' (Secure Monitor Call) identifier to differentiates
the platforms which implements this.
Signed-off-by: srinidhi kasagar <srinidhi.kasagar@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/omap4.dtsi | 1 +
arch/arm/include/asm/hardware/cache-l2x0.h | 2 +-
arch/arm/mach-cns3xxx/core.c | 4 ++--
arch/arm/mach-exynos/common.c | 4 ++--
arch/arm/mach-imx/mm-imx3.c | 4 ++--
arch/arm/mach-nomadik/cpu-8815.c | 4 ++--
arch/arm/mach-omap2/omap4-common.c | 2 +-
arch/arm/mach-realview/realview_eb.c | 4 ++--
arch/arm/mach-realview/realview_pb1176.c | 4 ++--
arch/arm/mach-realview/realview_pb11mp.c | 4 ++--
arch/arm/mach-realview/realview_pbx.c | 4 ++--
arch/arm/mach-shmobile/board-ag5evm.c | 2 +-
arch/arm/mach-shmobile/board-armadillo800eva.c | 4 ++--
arch/arm/mach-shmobile/board-bonito.c | 4 ++--
arch/arm/mach-shmobile/board-kota2.c | 4 ++--
arch/arm/mach-shmobile/board-kzm9g.c | 4 ++--
arch/arm/mach-shmobile/setup-r8a7779.c | 4 ++--
arch/arm/mach-spear13xx/spear13xx.c | 2 +-
arch/arm/mach-ux500/cache-l2x0.c | 2 +-
arch/arm/mach-vexpress/ct-ca9x4.c | 2 +-
arch/arm/mm/cache-l2x0.c | 18 ++++++++++++++----
21 files changed, 47 insertions(+), 36 deletions(-)
diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index 739bb79..9eaac63 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -51,6 +51,7 @@
reg = <0x48242000 0x1000>;
cache-unified;
cache-level = <2>;
+ smc;
};
local-timer@0x48240600 {
diff --git a/arch/arm/include/asm/hardware/cache-l2x0.h b/arch/arm/include/asm/hardware/cache-l2x0.h
index 3b2c40b..49ac638 100644
--- a/arch/arm/include/asm/hardware/cache-l2x0.h
+++ b/arch/arm/include/asm/hardware/cache-l2x0.h
@@ -107,7 +107,7 @@
#define L2X0_WAY_SIZE_SHIFT 3
#ifndef __ASSEMBLY__
-extern void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask);
+extern void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask, bool smc);
#if defined(CONFIG_CACHE_L2X0) && defined(CONFIG_OF)
extern int l2x0_of_init(u32 aux_val, u32 aux_mask);
#else
diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c
index 031805b..446bd99 100644
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -282,8 +282,8 @@ void __init cns3xxx_l2x0_init(void)
val &= 0xfffff888;
writel(val, base + L2X0_DATA_LATENCY_CTRL);
- /* 32 KiB, 8-way, parity disable */
- l2x0_init(base, 0x00540000, 0xfe000fff);
+ /* 32 KiB, 8-way, parity disable, no secure monitor call (smc) */
+ l2x0_init(base, 0x00540000, 0xfe000fff, false);
}
#endif /* CONFIG_CACHE_L2X0 */
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 1a89824..6624acc 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -754,8 +754,8 @@ static int __init exynos4_l2x0_cache_init(void)
clean_dcache_area(&l2x0_regs_phys, sizeof(unsigned long));
clean_dcache_area(&l2x0_saved_regs, sizeof(struct l2x0_regs));
}
-
- l2x0_init(S5P_VA_L2CC, L2_AUX_VAL, L2_AUX_MASK);
+ /* no secure monitor call (smc) implemented */
+ l2x0_init(S5P_VA_L2CC, L2_AUX_VAL, L2_AUX_MASK, false);
return 0;
}
early_initcall(exynos4_l2x0_cache_init);
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index cefa047..74eedb7 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -111,8 +111,8 @@ void __init imx3_init_l2x0(void)
printk(KERN_ERR "remapping L2 cache area failed\n");
return;
}
-
- l2x0_init(l2x0_base, 0x00030024, 0x00000000);
+ /* no secure monitor call (smc) implemented */
+ l2x0_init(l2x0_base, 0x00030024, 0x00000000, false);
#endif
}
diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c
index 1273931..7f27151 100644
--- a/arch/arm/mach-nomadik/cpu-8815.c
+++ b/arch/arm/mach-nomadik/cpu-8815.c
@@ -145,8 +145,8 @@ void __init cpu8815_init_irq(void)
void __init cpu8815_platform_init(void)
{
#ifdef CONFIG_CACHE_L2X0
- /* At full speed latency must be >=2, so 0x249 in low bits */
- l2x0_init(io_p2v(NOMADIK_L2CC_BASE), 0x00730249, 0xfe000fff);
+ /* At full speed latency must be >=2, so 0x249 in low bits, no smc */
+ l2x0_init(io_p2v(NOMADIK_L2CC_BASE), 0x00730249, 0xfe000fff, false);
#endif
return;
}
diff --git a/arch/arm/mach-omap2/omap4-common.c b/arch/arm/mach-omap2/omap4-common.c
index 6897ae2..a440fc4 100644
--- a/arch/arm/mach-omap2/omap4-common.c
+++ b/arch/arm/mach-omap2/omap4-common.c
@@ -214,7 +214,7 @@ static int __init omap_l2_cache_init(void)
if (of_have_populated_dt())
l2x0_of_init(aux_ctrl, L2X0_AUX_CTRL_MASK);
else
- l2x0_init(l2cache_base, aux_ctrl, L2X0_AUX_CTRL_MASK);
+ l2x0_init(l2cache_base, aux_ctrl, L2X0_AUX_CTRL_MASK, true);
/*
* Override default outer_cache.disable with a OMAP4
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index 28511d4..ca5e75c 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -445,9 +445,9 @@ static void __init realview_eb_init(void)
realview_eb11mp_fixup();
#ifdef CONFIG_CACHE_L2X0
- /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
+ /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled, no smc
* Bits: .... ...0 0111 1001 0000 .... .... .... */
- l2x0_init(__io_address(REALVIEW_EB11MP_L220_BASE), 0x00790000, 0xfe000fff);
+ l2x0_init(__io_address(REALVIEW_EB11MP_L220_BASE), 0x00790000, 0xfe000fff, false);
#endif
platform_device_register(&pmu_device);
}
diff --git a/arch/arm/mach-realview/realview_pb1176.c b/arch/arm/mach-realview/realview_pb1176.c
index 07d6672..f2e851d 100644
--- a/arch/arm/mach-realview/realview_pb1176.c
+++ b/arch/arm/mach-realview/realview_pb1176.c
@@ -358,8 +358,8 @@ static void __init realview_pb1176_init(void)
int i;
#ifdef CONFIG_CACHE_L2X0
- /* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled. */
- l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff);
+ /* 128Kb (16Kb/way) 8-way associativity. evmon/parity/share enabled, no smc */
+ l2x0_init(__io_address(REALVIEW_PB1176_L220_BASE), 0x00730000, 0xfe000fff, false);
#endif
realview_flash_register(realview_pb1176_flash_resources,
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index 7ed53d7..6cb7f60 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -340,9 +340,9 @@ static void __init realview_pb11mp_init(void)
int i;
#ifdef CONFIG_CACHE_L2X0
- /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled
+ /* 1MB (128KB/way), 8-way associativity, evmon/parity/share enabled, no smc
* Bits: .... ...0 0111 1001 0000 .... .... .... */
- l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff);
+ l2x0_init(__io_address(REALVIEW_TC11MP_L220_BASE), 0x00790000, 0xfe000fff, false);
#endif
realview_flash_register(realview_pb11mp_flash_resource,
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index 4f486f0..d90bdbd 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -376,9 +376,9 @@ static void __init realview_pbx_init(void)
writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL);
writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL);
- /* 16KB way size, 8-way associativity, parity disabled
+ /* 16KB way size, 8-way associativity, parity disabled, no smc
* Bits: .. 0 0 0 0 1 00 1 0 1 001 0 000 0 .... .... .... */
- l2x0_init(l2x0_base, 0x02520000, 0xc0000fff);
+ l2x0_init(l2x0_base, 0x02520000, 0xc0000fff, false);
platform_device_register(&pmu_device);
}
#endif
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index 032d108..788dc1f 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -656,7 +656,7 @@ static void __init ag5evm_init(void)
#ifdef CONFIG_CACHE_L2X0
/* Shared attribute override enable, 64K*8way */
- l2x0_init(IOMEM(0xf0100000), 0x00460000, 0xc2000fff);
+ l2x0_init(IOMEM(0xf0100000), 0x00460000, 0xc2000fff, false);
#endif
sh73a0_add_standard_devices();
platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 5353adf..2ff7e81 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -1163,8 +1163,8 @@ static void __init eva_init(void)
#ifdef CONFIG_CACHE_L2X0
- /* Early BRESP enable, Shared attribute override enable, 32K*8way */
- l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
+ /* Early BRESP enable, Shared attribute override enable, 32K*8way, no smc */
+ l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff, false);
#endif
i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
diff --git a/arch/arm/mach-shmobile/board-bonito.c b/arch/arm/mach-shmobile/board-bonito.c
index cb8c994..eca8b32 100644
--- a/arch/arm/mach-shmobile/board-bonito.c
+++ b/arch/arm/mach-shmobile/board-bonito.c
@@ -380,8 +380,8 @@ static void __init bonito_init(void)
*/
#ifdef CONFIG_CACHE_L2X0
- /* Early BRESP enable, Shared attribute override enable, 32K*8way */
- l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
+ /* Early BRESP enable, Shared attribute override enable, 32K*8way, no smc */
+ l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff, false);
#endif
r8a7740_add_standard_devices();
diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index bf88f9a..57d0732 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -537,8 +537,8 @@ static void __init kota2_init(void)
gpio_request(GPIO_FN_SDHID1_0_PU, NULL);
#ifdef CONFIG_CACHE_L2X0
- /* Early BRESP enable, Shared attribute override enable, 64K*8way */
- l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);
+ /* Early BRESP enable, Shared attribute override enable, 64K*8way, no smc */
+ l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff, false);
#endif
sh73a0_add_standard_devices();
platform_add_devices(kota2_devices, ARRAY_SIZE(kota2_devices));
diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c
index c02448d..31e9d1a 100644
--- a/arch/arm/mach-shmobile/board-kzm9g.c
+++ b/arch/arm/mach-shmobile/board-kzm9g.c
@@ -762,8 +762,8 @@ static void __init kzm_init(void)
gpio_request(GPIO_FN_VBUS_0, NULL);
#ifdef CONFIG_CACHE_L2X0
- /* Early BRESP enable, Shared attribute override enable, 64K*8way */
- l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);
+ /* Early BRESP enable, Shared attribute override enable, 64K*8way, no smc */
+ l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff, false);
#endif
i2c_register_board_info(0, i2c0_devices, ARRAY_SIZE(i2c0_devices));
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index 7a1ad4f..15db786 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -323,8 +323,8 @@ static struct platform_device *r8a7779_late_devices[] __initdata = {
void __init r8a7779_add_standard_devices(void)
{
#ifdef CONFIG_CACHE_L2X0
- /* Early BRESP enable, Shared attribute override enable, 64K*16way */
- l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff);
+ /* Early BRESP enable, Shared attribute override enable, 64K*16way, no smc */
+ l2x0_init(IOMEM(0xf0100000), 0x40470000, 0x82000fff, false);
#endif
r8a7779_pm_init();
diff --git a/arch/arm/mach-spear13xx/spear13xx.c b/arch/arm/mach-spear13xx/spear13xx.c
index c4af775..83671be 100644
--- a/arch/arm/mach-spear13xx/spear13xx.c
+++ b/arch/arm/mach-spear13xx/spear13xx.c
@@ -102,7 +102,7 @@ void __init spear13xx_l2x0_init(void)
*/
writel_relaxed(0x221, VA_L2CC_BASE + L2X0_TAG_LATENCY_CTRL);
writel_relaxed(0x441, VA_L2CC_BASE + L2X0_DATA_LATENCY_CTRL);
- l2x0_init(VA_L2CC_BASE, 0x70A60001, 0xfe00ffff);
+ l2x0_init(VA_L2CC_BASE, 0x70A60001, 0xfe00ffff, false);
}
/*
diff --git a/arch/arm/mach-ux500/cache-l2x0.c b/arch/arm/mach-ux500/cache-l2x0.c
index 75d5b51..e770156 100644
--- a/arch/arm/mach-ux500/cache-l2x0.c
+++ b/arch/arm/mach-ux500/cache-l2x0.c
@@ -58,7 +58,7 @@ static int __init ux500_l2x0_init(void)
if (of_have_populated_dt())
l2x0_of_init(aux_val, 0xc0000fff);
else
- l2x0_init(l2x0_base, aux_val, 0xc0000fff);
+ l2x0_init(l2x0_base, aux_val, 0xc0000fff, false);
/*
* We can't disable l2 as we are in non secure mode, currently
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index 60838dd..e3e6644 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -148,7 +148,7 @@ static void __init ct_ca9x4_init(void)
writel(0, l2x0_base + L2X0_TAG_LATENCY_CTRL);
writel(0, l2x0_base + L2X0_DATA_LATENCY_CTRL);
- l2x0_init(l2x0_base, 0x00400000, 0xfe0fffff);
+ l2x0_init(l2x0_base, 0x00400000, 0xfe0fffff, false);
#endif
for (i = 0; i < ARRAY_SIZE(ct_ca9x4_amba_devs); i++)
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index c2f3739..432fef0 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -320,7 +320,7 @@ static void l2x0_unlock(u32 cache_id)
}
}
-void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask)
+void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask, bool smc)
{
u32 aux;
u32 cache_id;
@@ -352,8 +352,10 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask)
/* Unmapped register. */
sync_reg_offset = L2X0_DUMMY_REG;
#endif
- if ((cache_id & L2X0_CACHE_ID_RTL_MASK) <= L2X0_CACHE_ID_RTL_R3P0)
+ if (smc)
outer_cache.set_debug = pl310_set_debug;
+ else
+ outer_cache.set_debug = NULL;
break;
case L2X0_CACHE_ID_PART_L210:
ways = (aux >> 13) & 0xf;
@@ -425,6 +427,7 @@ void __init l2x0_init(void __iomem *base, u32 aux_val, u32 aux_mask)
#ifdef CONFIG_OF
static int l2_wt_override;
+static bool is_smc;
/*
* Note that the end addresses passed to Linux primitives are
@@ -590,6 +593,14 @@ static void __init pl310_of_setup(const struct device_node *np,
writel_relaxed((filter[0] & ~(SZ_1M - 1)) | L2X0_ADDR_FILTER_EN,
l2x0_base + L2X0_ADDR_FILTER_START);
}
+
+ is_smc = of_property_read_bool(np, "smc");
+
+ if (is_smc) {
+ /* set the debug interface */
+ outer_cache.set_debug = pl310_set_debug;
+ }
+
}
static void __init pl310_save(void)
@@ -725,7 +736,6 @@ static const struct l2x0_of_data pl310_data = {
.flush_all = l2x0_flush_all,
.inv_all = l2x0_inv_all,
.disable = l2x0_disable,
- .set_debug = pl310_set_debug,
},
};
@@ -814,7 +824,7 @@ int __init l2x0_of_init(u32 aux_val, u32 aux_mask)
data->save();
of_init = true;
- l2x0_init(l2x0_base, aux_val, aux_mask);
+ l2x0_init(l2x0_base, aux_val, aux_mask, is_smc);
memcpy(&outer_cache, &data->outer_cache, sizeof(outer_cache));
--
1.7.2.dirty
--
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