gxfb/lxfb: use VSA definitions when fetching framebuffer size
..Rather than using magic constants. Signed-off-by: Andres Salomon <dilinger@debian.org> Cc: Jordan Crouse <jordan.crouse@amd.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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4537f93ae8
Коммит
61a517a063
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@ -17,6 +17,7 @@
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#include <asm/io.h>
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#include <asm/div64.h>
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#include <asm/delay.h>
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#include <asm/geode.h>
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#include "gxfb.h"
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@ -28,10 +29,10 @@ unsigned int gx_frame_buffer_size(void)
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/* Virtual register class = 0x02 */
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/* VG_MEM_SIZE(512Kb units) = 0x00 */
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outw(0xFC53, 0xAC1C);
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outw(0x0200, 0xAC1C);
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outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
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outw(VSA_VR_MEM_SIZE, VSA_VRC_INDEX);
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val = (unsigned int)(inw(0xAC1E)) & 0xFFl;
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val = (unsigned int)(inw(VSA_VRC_DATA)) & 0xFFl;
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return (val << 19);
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}
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@ -333,10 +333,10 @@ unsigned int lx_framebuffer_size(void)
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/* Virtual Register Class = 0x02 */
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/* VG_MEM_SIZE (1MB units) = 0x00 */
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outw(0xFC53, 0xAC1C);
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outw(0x0200, 0xAC1C);
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outw(VSA_VR_UNLOCK, VSA_VRC_INDEX);
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outw(VSA_VR_MEM_SIZE, VSA_VRC_INDEX);
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val = (unsigned int)(inw(0xAC1E)) & 0xFE;
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val = (unsigned int)(inw(VSA_VRC_DATA)) & 0xFE;
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return (val << 20);
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}
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@ -109,6 +109,7 @@ extern int geode_get_dev_base(unsigned int dev);
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#define VSA_VRC_DATA 0xAC1E
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#define VSA_VR_UNLOCK 0xFC53 /* unlock virtual register */
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#define VSA_VR_SIGNATURE 0x0003
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#define VSA_VR_MEM_SIZE 0x0200
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#define VSA_SIG 0x4132 /* signature is ascii 'VSA2' */
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/* GPIO */
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