diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-14 14:38:28 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-12-14 14:38:28 -0800 |
commit | 6a57d104c8cb5b6adad6784b4ce6e2f7f9961a3a (patch) | |
tree | c3ff93b006d7483ccee09799d215b03b1bbc3f1b /arch/arm/mach-socfpga/socfpga.c | |
parent | cebfa85eb86d92bf85d3b041c6b044184517a988 (diff) | |
parent | c91321e8ff338a88a9272dcd938f085955cd5846 (diff) | |
download | linux-3.10-6a57d104c8cb5b6adad6784b4ce6e2f7f9961a3a.tar.gz linux-3.10-6a57d104c8cb5b6adad6784b4ce6e2f7f9961a3a.tar.bz2 linux-3.10-6a57d104c8cb5b6adad6784b4ce6e2f7f9961a3a.zip |
Merge tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM Soc updates, take 2, from Olof Johansson:
"This is the second batch of SoC updates for the 3.8 merge window,
containing parts that had dependencies on earlier branches such that
we couldn't include them with the first branch.
These are general updates for Samsung Exynos, Renesas/shmobile and a
topic branch that adds SMP support to Altera's socfpga platform."
Fix up conflicts mostly as per Olof.
* tag 'soc2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: EXYNOS: Clock settings for SATA and SATA PHY
ARM: EXYNOS: Add ARM down clock support
ARM: EXYNOS: Fix i2c suspend/resume for legacy controller
ARM: EXYNOS: Add aliases for i2c controller
ARM: EXYNOS: Setup legacy i2c controller interrupts
sh: clkfwk: fixup unsed variable warning
Revert "ARM: shmobile: r8a7779: Replace modify_scu_cpu_psr with scu_power_mode"
Revert "ARM: shmobile: sh73a0: Replace modify_scu_cpu_psr with scu_power_mode"
Revert "ARM: shmobile: emev2: Replace modify_scu_cpu_psr with scu_power_mode"
ARM: highbank: use common debug_ll_io_init
ARM: shmobile: sh7372: sh7372_fsiXck_clk become non-global
ARM: shmobile: sh7372: remove fsidivx clock
ARM: socfpga: mark secondary_trampoline as cpuinit
socfpga: map uart into virtual address space so that early_printk() works
ARM: socfpga: fix build break for allyesconfig
ARM: socfpga: Enable SMP for socfpga
ARM: EXYNOS: Add dp clock support for EXYNOS5
ARM: SAMSUNG: call clk_get_rate for debugfs rate files
ARM: SAMSUNG: add clock_tree debugfs file in clock
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, |