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Reconfigure IRAM for S5L870x. S5L8700 has 256 KB of IRAM, use a 48 KB / 208 KB split for core/codec. S5L8701 has 176 KB of IRAM, use a 48 KB / 128 KB split for core/codec. This will allow further speed optimization of codecs.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28463 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Andree Buschmann 2010-11-02 22:56:31 +00:00
parent 88b6bef9d4
commit 57a683fc7d
2 changed files with 8 additions and 6 deletions
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10
apps/plugins/plugin.lds
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@ -139,14 +139,16 @@ OUTPUT_FORMAT(elf32-littlemips)
#endif #endif
#elif CONFIG_CPU==S5L8700 #elif CONFIG_CPU==S5L8700
/* S5L8700 have 256KB of IRAM */
#define DRAMORIG 0x08000000 #define DRAMORIG 0x08000000
#define IRAMORIG (0x00000000 + (64*1024)) #define IRAMORIG (0x00000000 + (48*1024))
#define IRAMSIZE (64*1024) #define IRAMSIZE (208*1024)
#elif CONFIG_CPU==S5L8701 #elif CONFIG_CPU==S5L8701
/* S5L8701 have 176KB of IRAM */
#define DRAMORIG 0x08000000 #define DRAMORIG 0x08000000
#define IRAMORIG (0x00000000 + (96*1024)) #define IRAMORIG (0x00000000 + (48*1024))
#define IRAMSIZE (80*1024) #define IRAMSIZE (128*1024)
#elif CONFIG_CPU == JZ4732 #elif CONFIG_CPU == JZ4732
#define DRAMORIG 0x80004000 + STUBOFFSET #define DRAMORIG 0x80004000 + STUBOFFSET

4
firmware/target/arm/s5l8700/app.lds
View file

@ -21,9 +21,9 @@ STARTUP(target/arm/s5l8700/crt0.o)
#define DRAMSIZE (DRAM_SIZE - PLUGINSIZE - CODECSIZE) #define DRAMSIZE (DRAM_SIZE - PLUGINSIZE - CODECSIZE)
#define CODECORIG (ENDAUDIOADDR) #define CODECORIG (ENDAUDIOADDR)
#if CONFIG_CPU==S5L8700 #if CONFIG_CPU==S5L8700
#define IRAMSIZE (128*1024) /* 256KB total - 128KB for core, 128KB for plugins */ #define IRAMSIZE (48*1024) /* 256KB total - 48KB for core, 208KB for plugins */
#else /* S5L8701 */ #else /* S5L8701 */
#define IRAMSIZE (96*1024) /* 176KB total - 96KB for core, 80KB for plugins */ #define IRAMSIZE (48*1024) /* 176KB total - 48KB for core, 128KB for plugins */
#endif #endif
/* Where the codec buffer ends, and the plugin buffer starts */ /* Where the codec buffer ends, and the plugin buffer starts */