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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-01-11 13:28:19 -0200 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-01-11 13:28:19 -0200 |
commit | 734d1ece37fbf3d2ddfc71bc6c69e0fe35f02542 (patch) | |
tree | c4805dd7e746b1feb9e09e9849f3245d0b2c0c6b /arch/arm/mach-socfpga/socfpga.c | |
parent | 216c82c6aba63eeb49d7654b448e0d47bea255bb (diff) | |
parent | 9931faca02c604c22335f5a935a501bb2ace6e20 (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.c | 54 |
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, |