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authorJames Morris <james.l.morris@oracle.com>2014-01-06 22:23:01 +1100
committerJames Morris <james.l.morris@oracle.com>2014-01-06 22:23:01 +1100
commit38fd2c202a3d82bc12430bce5789fa2c2a406f71 (patch)
treea73513dbb015155f5236b391709b9083916b3136 /arch/arm/mach-highbank/highbank.c
parentdcf4e392867bf98d50ad108ed7c2bfb941e8c33d (diff)
parentd6e0a2dd12f4067a5bcefb8bbd8ddbeff800afbc (diff)
Merge to v3.13-rc7 for prerequisite changes in the Xen code for TPM
Diffstat (limited to 'arch/arm/mach-highbank/highbank.c')
-rw-r--r--arch/arm/mach-highbank/highbank.c70
1 files changed, 39 insertions, 31 deletions
diff --git a/arch/arm/mach-highbank/highbank.c b/arch/arm/mach-highbank/highbank.c
index 8e63ccdb0de..bd3bf66ce34 100644
--- a/arch/arm/mach-highbank/highbank.c
+++ b/arch/arm/mach-highbank/highbank.c
@@ -17,18 +17,19 @@
#include <linux/clkdev.h>
#include <linux/clocksource.h>
#include <linux/dma-mapping.h>
+#include <linux/input.h>
#include <linux/io.h>
#include <linux/irqchip.h>
+#include <linux/mailbox.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <linux/of_address.h>
+#include <linux/reboot.h>
#include <linux/amba/bus.h>
-#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
-#include <asm/cacheflush.h>
-#include <asm/cputype.h>
-#include <asm/smp_plat.h>
+#include <asm/psci.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
@@ -49,17 +50,6 @@ static void __init highbank_scu_map_io(void)
scu_base_addr = ioremap(base, SZ_4K);
}
-#define HB_JUMP_TABLE_PHYS(cpu) (0x40 + (0x10 * (cpu)))
-#define HB_JUMP_TABLE_VIRT(cpu) phys_to_virt(HB_JUMP_TABLE_PHYS(cpu))
-
-void highbank_set_cpu_jump(int cpu, void *jump_addr)
-{
- cpu = MPIDR_AFFINITY_LEVEL(cpu_logical_map(cpu), 0);
- writel(virt_to_phys(jump_addr), HB_JUMP_TABLE_VIRT(cpu));
- __cpuc_flush_dcache_area(HB_JUMP_TABLE_VIRT(cpu), 16);
- outer_clean_range(HB_JUMP_TABLE_PHYS(cpu),
- HB_JUMP_TABLE_PHYS(cpu) + 15);
-}
static void highbank_l2x0_disable(void)
{
@@ -83,20 +73,6 @@ static void __init highbank_init_irq(void)
}
}
-static void __init highbank_timer_init(void)
-{
- struct device_node *np;
-
- /* Map system registers */
- np = of_find_compatible_node(NULL, NULL, "calxeda,hb-sregs");
- sregs_base = of_iomap(np, 0);
- WARN_ON(!sregs_base);
-
- of_clk_init(NULL);
-
- clocksource_of_init();
-}
-
static void highbank_power_off(void)
{
highbank_set_pwr_shutdown();
@@ -153,15 +129,49 @@ static struct notifier_block highbank_platform_nb = {
.notifier_call = highbank_platform_notifier,
};
+static struct platform_device highbank_cpuidle_device = {
+ .name = "cpuidle-calxeda",
+};
+
+static int hb_keys_notifier(struct notifier_block *nb, unsigned long event, void *data)
+{
+ u32 key = *(u32 *)data;
+
+ if (event != 0x1000)
+ return 0;
+
+ if (key == KEY_POWER)
+ orderly_poweroff(false);
+ else if (key == 0xffff)
+ ctrl_alt_del();
+
+ return 0;
+}
+static struct notifier_block hb_keys_nb = {
+ .notifier_call = hb_keys_notifier,
+};
+
static void __init highbank_init(void)
{
+ struct device_node *np;
+
+ /* Map system registers */
+ np = of_find_compatible_node(NULL, NULL, "calxeda,hb-sregs");
+ sregs_base = of_iomap(np, 0);
+ WARN_ON(!sregs_base);
+
pm_power_off = highbank_power_off;
highbank_pm_init();
bus_register_notifier(&platform_bus_type, &highbank_platform_nb);
bus_register_notifier(&amba_bustype, &highbank_amba_nb);
+ pl320_ipc_register_notifier(&hb_keys_nb);
+
of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
+
+ if (psci_ops.cpu_suspend)
+ platform_device_register(&highbank_cpuidle_device);
}
static const char *highbank_match[] __initconst = {
@@ -174,9 +184,7 @@ DT_MACHINE_START(HIGHBANK, "Highbank")
#if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
.dma_zone_size = (4ULL * SZ_1G),
#endif
- .smp = smp_ops(highbank_smp_ops),
.init_irq = highbank_init_irq,
- .init_time = highbank_timer_init,
.init_machine = highbank_init,
.dt_compat = highbank_match,
.restart = highbank_restart,