1 //==========================================================================
5 // HAL implementation miscellaneous functions
7 //==========================================================================
8 //####ECOSGPLCOPYRIGHTBEGIN####
9 // -------------------------------------------
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38 // -------------------------------------------
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40 //==========================================================================
41 //#####DESCRIPTIONBEGIN####
43 // Author(s): Bob Koninckx
44 // Contributors: Bob Koninckx
46 // Purpose: HAL miscellaneous functions
47 // Description: This file contains miscellaneous functions provided by the
50 //####DESCRIPTIONEND####
52 //==========================================================================
54 #include <pkgconf/hal.h>
56 #define CYGARC_HAL_COMMON_EXPORT_CPU_MACROS
57 #include <cyg/hal/ppc_regs.h>
58 #include <cyg/infra/cyg_type.h> // types
59 #include <cyg/infra/diag.h> // diag_printf
61 #include <cyg/hal/hal_mem.h> // some of the functions defined here
63 //--------------------------------------------------------------------------
65 hal_variant_init(void)
67 // Disable serialization
70 CYGARC_MFSPR (ICTRL, ictrl);
71 ictrl |= ICTRL_NOSERSHOW;
72 CYGARC_MTSPR (ICTRL, ictrl);
76 //--------------------------------------------------------------------------
77 // Variant specific idle thread action.
79 hal_variant_idle_thread_action( cyg_uint32 count )
81 // Let architecture idle thread action run
85 //---------------------------------------------------------------------------
86 // Use MMU resources to map memory regions.
87 // Takes and returns an int used to ID the MMU resource to use. This ID
88 // is increased as resources are used and should be used for subsequent
91 // The MPC5xx CPUs do not have cache. Leave these functions empty
93 cyg_hal_map_memory (int id,CYG_ADDRESS virt, CYG_ADDRESS phys,
94 cyg_int32 size, cyg_uint8 flags)
100 cyg_hal_clear_MMU (void)
104 //--------------------------------------------------------------------------