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authorMauro Carvalho Chehab <mchehab@redhat.com>2013-01-11 13:28:19 -0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-01-11 13:28:19 -0200
commit734d1ece37fbf3d2ddfc71bc6c69e0fe35f02542 (patch)
treec4805dd7e746b1feb9e09e9849f3245d0b2c0c6b /arch/arm/mach-socfpga/socfpga.c
parent216c82c6aba63eeb49d7654b448e0d47bea255bb (diff)
parent9931faca02c604c22335f5a935a501bb2ace6e20 (diff)
Merge tag 'v3.8-rc3' into v4l_for_linus
Linux 3.8-rc3 * tag 'v3.8-rc3': (11110 commits) Linux 3.8-rc3 mm: reinstante dropped pmd_trans_splitting() check cred: Remove tgcred pointer from struct cred drm/ttm: fix fence locking in ttm_buffer_object_transfer ARM: clps711x: Fix bad merge of clockevents setup ARM: highbank: save and restore L2 cache and GIC on suspend ARM: highbank: add a power request clear ARM: highbank: fix secondary boot and hotplug ARM: highbank: fix typos with hignbank in power request functions ARM: dts: fix highbank cpu mpidr values ARM: dts: add device_type prop to cpu nodes on Calxeda platforms drm/prime: drop reference on imported dma-buf come from gem xen/netfront: improve truesize tracking ARM: mx5: Fix MX53 flexcan2 clock ARM: OMAP2+: am33xx-hwmod: Fix wrongly terminated am33xx_usbss_mpu_irqs array sctp: fix Kconfig bug in default cookie hmac selection EDAC: Cleanup device deregistering path EDAC: Fix EDAC Kconfig menu EDAC: Fix kernel panic on module unloading ALSA: hda - add mute LED for HP Pavilion 17 (Realtek codec) ...
Diffstat (limited to 'arch/arm/mach-socfpga/socfpga.c')
-rw-r--r--arch/arm/mach-socfpga/socfpga.c54
1 files changed, 53 insertions, 1 deletions
diff --git a/arch/arm/mach-socfpga/socfpga.c b/arch/arm/mach-socfpga/socfpga.c
index f01e1ebf539..6732924a5fe 100644
--- a/arch/arm/mach-socfpga/socfpga.c
+++ b/arch/arm/mach-socfpga/socfpga.c
@@ -15,23 +15,73 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <linux/dw_apb_timer.h>
+#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/of_platform.h>
#include <asm/hardware/cache-l2x0.h>
#include <asm/hardware/gic.h>
#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
-extern void socfpga_init_clocks(void);
+#include "core.h"
+
+void __iomem *socfpga_scu_base_addr = ((void __iomem *)(SOCFPGA_SCU_VIRT_BASE));
+void __iomem *sys_manager_base_addr;
+void __iomem *rst_manager_base_addr;
+
+static struct map_desc scu_io_desc __initdata = {
+ .virtual = SOCFPGA_SCU_VIRT_BASE,
+ .pfn = 0, /* run-time */
+ .length = SZ_8K,
+ .type = MT_DEVICE,
+};
+
+static struct map_desc uart_io_desc __initdata = {
+ .virtual = 0xfec02000,
+ .pfn = __phys_to_pfn(0xffc02000),
+ .length = SZ_8K,
+ .type = MT_DEVICE,
+};
+
+static void __init socfpga_scu_map_io(void)
+{
+ unsigned long base;
+
+ /* Get SCU base */
+ asm("mrc p15, 4, %0, c15, c0, 0" : "=r" (base));
+
+ scu_io_desc.pfn = __phys_to_pfn(base);
+ iotable_init(&scu_io_desc, 1);
+}
+
+static void __init socfpga_map_io(void)
+{
+ socfpga_scu_map_io();
+ iotable_init(&uart_io_desc, 1);
+ early_printk("Early printk initialized\n");
+}
const static struct of_device_id irq_match[] = {
{ .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
{}
};
+void __init socfpga_sysmgr_init(void)
+{
+ struct device_node *np;
+
+ np = of_find_compatible_node(NULL, NULL, "altr,sys-mgr");
+ sys_manager_base_addr = of_iomap(np, 0);
+
+ np = of_find_compatible_node(NULL, NULL, "altr,rst-mgr");
+ rst_manager_base_addr = of_iomap(np, 0);
+}
+
static void __init gic_init_irq(void)
{
of_irq_init(irq_match);
+ socfpga_sysmgr_init();
}
static void socfpga_cyclone5_restart(char mode, const char *cmd)
@@ -53,6 +103,8 @@ static const char *altera_dt_match[] = {
};
DT_MACHINE_START(SOCFPGA, "Altera SOCFPGA")
+ .smp = smp_ops(socfpga_smp_ops),
+ .map_io = socfpga_map_io,
.init_irq = gic_init_irq,
.handle_irq = gic_handle_irq,
.timer = &dw_apb_timer,