arch/arm/mach-prima2/common.c

   1 /*
   2  * Defines machines for CSR SiRFprimaII
   3  *
   4  * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
   5  *
   6  * Licensed under GPLv2 or later.
   7  */
   8
   9 #include <linux/clocksource.h>
  10 #include <linux/init.h>
  11 #include <linux/kernel.h>
  12 #include <linux/irqchip.h>
  13 #include <asm/sizes.h>
  14 #include <asm/mach-types.h>
  15 #include <asm/mach/arch.h>
  16 #include <linux/of.h>
  17 #include <linux/of_platform.h>
  18 #include "common.h"
  19
  20 static struct of_device_id sirfsoc_of_bus_ids[] __initdata = {
  21         { .compatible = "simple-bus", },
  22         {},
  23 };
  24
  25 void __init sirfsoc_mach_init(void)
  26 {
  27         of_platform_bus_probe(NULL, sirfsoc_of_bus_ids, NULL);
  28 }
  29
  30 void __init sirfsoc_init_late(void)
  31 {
  32         sirfsoc_pm_init();
  33 }
  34
  35 static __init void sirfsoc_init_time(void)
  36 {
  37         /* initialize clocking early, we want to set the OS timer */
  38         sirfsoc_of_clk_init();
  39         clocksource_of_init();
  40 }
  41
  42 static __init void sirfsoc_map_io(void)
  43 {
  44         sirfsoc_map_lluart();
  45         sirfsoc_map_scu();
  46 }
  47
  48 #ifdef CONFIG_ARCH_ATLAS6
  49 static const char *atlas6_dt_match[] __initdata = {
  50         "sirf,atlas6",
  51         NULL
  52 };
  53
  54 DT_MACHINE_START(ATLAS6_DT, "Generic ATLAS6 (Flattened Device Tree)")
  55         /* Maintainer: Barry Song <baohua.song@csr.com> */
  56         .nr_irqs        = 128,
  57         .map_io         = sirfsoc_map_io,
  58         .init_irq       = irqchip_init,
  59         .init_time      = sirfsoc_init_time,
  60         .init_machine   = sirfsoc_mach_init,
  61         .init_late      = sirfsoc_init_late,
  62         .dt_compat      = atlas6_dt_match,
  63         .restart        = sirfsoc_restart,
  64 MACHINE_END
  65 #endif
  66
  67 #ifdef CONFIG_ARCH_PRIMA2
  68 static const char *prima2_dt_match[] __initdata = {
  69        "sirf,prima2",
  70        NULL
  71 };
  72
  73 DT_MACHINE_START(PRIMA2_DT, "Generic PRIMA2 (Flattened Device Tree)")
  74         /* Maintainer: Barry Song <baohua.song@csr.com> */
  75         .nr_irqs        = 128,
  76         .map_io         = sirfsoc_map_io,
  77         .init_irq       = irqchip_init,
  78         .init_time      = sirfsoc_init_time,
  79         .dma_zone_size  = SZ_256M,
  80         .init_machine   = sirfsoc_mach_init,
  81         .init_late      = sirfsoc_init_late,
  82         .dt_compat      = prima2_dt_match,
  83         .restart        = sirfsoc_restart,
  84 MACHINE_END
  85 #endif
  86
  87 #ifdef CONFIG_ARCH_MARCO
  88 static const char *marco_dt_match[] __initdata = {
  89         "sirf,marco",
  90         NULL
  91 };
  92
  93 DT_MACHINE_START(MARCO_DT, "Generic MARCO (Flattened Device Tree)")
  94         /* Maintainer: Barry Song <baohua.song@csr.com> */
  95         .smp            = smp_ops(sirfsoc_smp_ops),
  96         .map_io         = sirfsoc_map_io,
  97         .init_irq       = irqchip_init,
  98         .init_time      = sirfsoc_init_time,
  99         .init_machine   = sirfsoc_mach_init,
 100         .init_late      = sirfsoc_init_late,
 101         .dt_compat      = marco_dt_match,
 102         .restart        = sirfsoc_restart,
 103 MACHINE_END
 104 #endif