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authorArnd Bergmann <arnd@arndb.de>2014-02-25 21:34:42 +0400
committerArnd Bergmann <arnd@arndb.de>2014-02-25 21:34:42 +0400
commit88dbede1da891a20b8499568122d29471c76b3b0 (patch)
tree8030ece8c13b21a63bdfda141bb2701d60415512 /arch/arm
parent4a70931bd1b9370291e757bb2989431805f0bc41 (diff)
parentbc81526f379c78607e042ec15ebbe7e04c9950d5 (diff)
downloadlinux-88dbede1da891a20b8499568122d29471c76b3b0.tar.xz
Merge tag 'mvebu-soc-3xx-3.15' of git://git.infradead.org/linux-mvebu into next/soc
Merge "mvebu new SoCs for v3.15" from Jason Cooper: - mvebu - initial support for Armada 375, 380, and 385 Depends: - tags/mvebu-soc-3.15 (resolves delete/rename hidden conflict) * tag 'mvebu-soc-3xx-3.15' of git://git.infradead.org/linux-mvebu: Documentation: arm: update Marvell documentation about Armada 375/38x ARM: mvebu: add initial support for the Armada 380/385 SOCs ARM: mvebu: add workaround for data abort issue on Armada 375 ARM: mvebu: add initial support for the Armada 375 SOCs ARM: mvebu: add Armada 375 support to the system-controller driver ARM: mvebu: make CPU_PJ4B selection a per-SoC choice ARM: mvebu: rename DT machine structure for Armada 370/XP ARM: mvebu: rename armada-370-xp.c to board-v7.c Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-mvebu/Kconfig37
-rw-r--r--arch/arm/mach-mvebu/Makefile5
-rw-r--r--arch/arm/mach-mvebu/board-v7.c (renamed from arch/arm/mach-mvebu/armada-370-xp.c)58
-rw-r--r--arch/arm/mach-mvebu/system-controller.c14
4 files changed, 101 insertions, 13 deletions
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 5e269d7263ce..884b275ab056 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -21,26 +21,55 @@ if ARCH_MVEBU
menu "Marvell SOC with device tree"
-config MACH_ARMADA_370_XP
+config MACH_MVEBU_V7
bool
select ARMADA_370_XP_TIMER
select HAVE_SMP
select CACHE_L2X0
- select CPU_PJ4B
config MACH_ARMADA_370
bool "Marvell Armada 370 boards"
select ARMADA_370_CLK
- select MACH_ARMADA_370_XP
+ select CPU_PJ4B
+ select MACH_MVEBU_V7
select PINCTRL_ARMADA_370
help
Say 'Y' here if you want your kernel to support boards based
on the Marvell Armada 370 SoC with device tree.
+config MACH_ARMADA_375
+ bool "Marvell Armada 375 boards"
+ select ARM_ERRATA_720789
+ select ARM_ERRATA_753970
+ select ARM_GIC
+ select ARMADA_375_CLK
+ select CPU_V7
+ select MACH_MVEBU_V7
+ select NEON
+ select PINCTRL_ARMADA_375
+ help
+ Say 'Y' here if you want your kernel to support boards based
+ on the Marvell Armada 375 SoC with device tree.
+
+config MACH_ARMADA_38X
+ bool "Marvell Armada 380/385 boards"
+ select ARM_ERRATA_720789
+ select ARM_ERRATA_753970
+ select ARM_GIC
+ select ARMADA_38X_CLK
+ select CPU_V7
+ select MACH_MVEBU_V7
+ select NEON
+ select PINCTRL_ARMADA_38X
+ help
+ Say 'Y' here if you want your kernel to support boards based
+ on the Marvell Armada 380/385 SoC with device tree.
+
config MACH_ARMADA_XP
bool "Marvell Armada XP boards"
select ARMADA_XP_CLK
- select MACH_ARMADA_370_XP
+ select CPU_PJ4B
+ select MACH_MVEBU_V7
select PINCTRL_ARMADA_XP
help
Say 'Y' here if you want your kernel to support boards based
diff --git a/arch/arm/mach-mvebu/Makefile b/arch/arm/mach-mvebu/Makefile
index d99846103bbb..2c1db29db2ca 100644
--- a/arch/arm/mach-mvebu/Makefile
+++ b/arch/arm/mach-mvebu/Makefile
@@ -3,7 +3,8 @@ ccflags-$(CONFIG_ARCH_MULTIPLATFORM) := -I$(srctree)/$(src)/include \
AFLAGS_coherency_ll.o := -Wa,-march=armv7-a
-obj-y += coherency.o coherency_ll.o pmsu.o system-controller.o mvebu-soc-id.o
-obj-$(CONFIG_MACH_ARMADA_370_XP) += armada-370-xp.o
+obj-y += system-controller.o mvebu-soc-id.o
+obj-$(CONFIG_MACH_MVEBU_V7) += board-v7.o
+obj-$(CONFIG_ARCH_MVEBU) += coherency.o coherency_ll.o pmsu.o
obj-$(CONFIG_SMP) += platsmp.o headsmp.o
obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
diff --git a/arch/arm/mach-mvebu/armada-370-xp.c b/arch/arm/mach-mvebu/board-v7.c
index 161cf2f54220..746134ecdfc2 100644
--- a/arch/arm/mach-mvebu/armada-370-xp.c
+++ b/arch/arm/mach-mvebu/board-v7.c
@@ -31,7 +31,28 @@
#include "coherency.h"
#include "mvebu-soc-id.h"
-static void __init armada_370_xp_timer_and_clk_init(void)
+/*
+ * Early versions of Armada 375 SoC have a bug where the BootROM
+ * leaves an external data abort pending. The kernel is hit by this
+ * data abort as soon as it enters userspace, because it unmasks the
+ * data aborts at this moment. We register a custom abort handler
+ * below to ignore the first data abort to work around this
+ * problem.
+ */
+static int armada_375_external_abort_wa(unsigned long addr, unsigned int fsr,
+ struct pt_regs *regs)
+{
+ static int ignore_first;
+
+ if (!ignore_first && fsr == 0x1406) {
+ ignore_first = 1;
+ return 0;
+ }
+
+ return 1;
+}
+
+static void __init mvebu_timer_and_clk_init(void)
{
of_clk_init(NULL);
clocksource_of_init();
@@ -40,6 +61,10 @@ static void __init armada_370_xp_timer_and_clk_init(void)
#ifdef CONFIG_CACHE_L2X0
l2x0_of_init(0, ~0UL);
#endif
+
+ if (of_machine_is_compatible("marvell,armada375"))
+ hook_fault_code(16 + 6, armada_375_external_abort_wa, SIGBUS, 0,
+ "imprecise external abort");
}
static void __init i2c_quirk(void)
@@ -70,7 +95,7 @@ static void __init i2c_quirk(void)
return;
}
-static void __init armada_370_xp_dt_init(void)
+static void __init mvebu_dt_init(void)
{
if (of_machine_is_compatible("plathome,openblocks-ax3-4"))
i2c_quirk();
@@ -82,10 +107,33 @@ static const char * const armada_370_xp_dt_compat[] = {
NULL,
};
-DT_MACHINE_START(ARMADA_XP_DT, "Marvell Armada 370/XP (Device Tree)")
+DT_MACHINE_START(ARMADA_370_XP_DT, "Marvell Armada 370/XP (Device Tree)")
.smp = smp_ops(armada_xp_smp_ops),
- .init_machine = armada_370_xp_dt_init,
- .init_time = armada_370_xp_timer_and_clk_init,
+ .init_machine = mvebu_dt_init,
+ .init_time = mvebu_timer_and_clk_init,
.restart = mvebu_restart,
.dt_compat = armada_370_xp_dt_compat,
MACHINE_END
+
+static const char * const armada_375_dt_compat[] = {
+ "marvell,armada375",
+ NULL,
+};
+
+DT_MACHINE_START(ARMADA_375_DT, "Marvell Armada 375 (Device Tree)")
+ .init_time = mvebu_timer_and_clk_init,
+ .restart = mvebu_restart,
+ .dt_compat = armada_375_dt_compat,
+MACHINE_END
+
+static const char * const armada_38x_dt_compat[] = {
+ "marvell,armada380",
+ "marvell,armada385",
+ NULL,
+};
+
+DT_MACHINE_START(ARMADA_38X_DT, "Marvell Armada 380/385 (Device Tree)")
+ .init_time = mvebu_timer_and_clk_init,
+ .restart = mvebu_restart,
+ .dt_compat = armada_38x_dt_compat,
+MACHINE_END
diff --git a/arch/arm/mach-mvebu/system-controller.c b/arch/arm/mach-mvebu/system-controller.c
index e6e300afe836..614ba6832ff3 100644
--- a/arch/arm/mach-mvebu/system-controller.c
+++ b/arch/arm/mach-mvebu/system-controller.c
@@ -1,5 +1,5 @@
/*
- * System controller support for Armada 370 and XP platforms.
+ * System controller support for Armada 370, 375 and XP platforms.
*
* Copyright (C) 2012 Marvell
*
@@ -11,7 +11,7 @@
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*
- * The Armada 370 and Armada XP SoCs both have a range of
+ * The Armada 370, 375 and Armada XP SoCs have a range of
* miscellaneous registers, that do not belong to a particular device,
* but rather provide system-level features. This basic
* system-controller driver provides a device tree binding for those
@@ -47,6 +47,13 @@ static const struct mvebu_system_controller armada_370_xp_system_controller = {
.system_soft_reset = 0x1,
};
+static const struct mvebu_system_controller armada_375_system_controller = {
+ .rstoutn_mask_offset = 0x54,
+ .system_soft_reset_offset = 0x58,
+ .rstoutn_mask_reset_out_en = 0x1,
+ .system_soft_reset = 0x1,
+};
+
static const struct mvebu_system_controller orion_system_controller = {
.rstoutn_mask_offset = 0x108,
.system_soft_reset_offset = 0x10c,
@@ -61,6 +68,9 @@ static const struct of_device_id of_system_controller_table[] = {
}, {
.compatible = "marvell,armada-370-xp-system-controller",
.data = (void *) &armada_370_xp_system_controller,
+ }, {
+ .compatible = "marvell,armada-375-system-controller",
+ .data = (void *) &armada_375_system_controller,
},
{ /* end of list */ },
};