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/* Copyright (c) 2005 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Neither the name of the Advanced Micro Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
* */
/*
* This file contains routines used in Redcloud initialization.
* */
/*----------------------------------------------------------------------------
* gfx_get_core_freq
*
* Returns the core clock frequency of a GX2.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_core_freq(void)
#else
unsigned long
gfx_get_core_freq(void)
#endif
{
unsigned long value;
/* CPU SPEED IS REPORTED BY A VSM IN VSA II */
/* Virtual Register Class = 0x12 (Sysinfo) */
/* CPU Speed Register = 0x01 */
OUTW(0xAC1C, 0xFC53);
OUTW(0xAC1C, 0x1201);
value = (unsigned long) (INW(0xAC1E));
return (value);
}
/*----------------------------------------------------------------------------
* gfx_get_cpu_register_base
*
* This routine returns the base address for display controller registers.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_cpu_register_base(void)
#else
unsigned long
gfx_get_cpu_register_base(void)
#endif
{
return gfx_pci_config_read(0x80000918);
}
/*----------------------------------------------------------------------------
* gfx_get_graphics_register_base
*
* This routine returns the base address for the graphics acceleration.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_graphics_register_base(void)
#else
unsigned long
gfx_get_graphics_register_base(void)
#endif
{
return gfx_pci_config_read(0x80000914);
}
/*----------------------------------------------------------------------------
* gfx_get_frame_buffer_base
*
* This routine returns the base address for graphics memory.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_frame_buffer_base(void)
#else
unsigned long
gfx_get_frame_buffer_base(void)
#endif
{
return gfx_pci_config_read(0x80000910);
}
/*----------------------------------------------------------------------------
* gfx_get_frame_buffer_size
*
* This routine returns the total size of graphics memory, in bytes.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_frame_buffer_size(void)
#else
unsigned long
gfx_get_frame_buffer_size(void)
#endif
{
unsigned long value;
/* FRAME BUFFER SIZE IS REPORTED BY A VSM IN VSA II */
/* Virtual Register Class = 0x02 */
/* VG_MEM_SIZE (512KB units) = 0x00 */
OUTW(0xAC1C, 0xFC53);
OUTW(0xAC1C, 0x0200);
value = (unsigned long) (INW(0xAC1E)) & 0xFFl;
return (value << 19);
}
/*----------------------------------------------------------------------------
* gfx_get_vid_register_base
*
* This routine returns the base address for the video hardware.
*----------------------------------------------------------------------------
*/
#if GFX_INIT_DYNAMIC
unsigned long
gu2_get_vid_register_base(void)
#else
unsigned long
gfx_get_vid_register_base(void)
#endif
{
return gfx_pci_config_read(0x8000091C);
}
/* END OF FILE */
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