diff options
Diffstat (limited to 'packages/u-boot/u-boot-1.1.6/u-boot-1.1.6-83xx-optimizations.patch')
| -rw-r--r-- | packages/u-boot/u-boot-1.1.6/u-boot-1.1.6-83xx-optimizations.patch | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/packages/u-boot/u-boot-1.1.6/u-boot-1.1.6-83xx-optimizations.patch b/packages/u-boot/u-boot-1.1.6/u-boot-1.1.6-83xx-optimizations.patch new file mode 100644 index 0000000000..fe85228771 --- /dev/null +++ b/packages/u-boot/u-boot-1.1.6/u-boot-1.1.6-83xx-optimizations.patch @@ -0,0 +1,89 @@ +diff --exclude CVS -uNr u-boot-1.1.6/cpu/mpc83xx/cpu_init.c u-boot-1.1.6.modified/cpu/mpc83xx/cpu_init.c +--- u-boot-1.1.6/cpu/mpc83xx/cpu_init.c 2007-04-10 17:43:16.000000000 -0400 ++++ u-boot-1.1.6.modified/cpu/mpc83xx/cpu_init.c 2007-04-10 17:31:51.000000000 -0400 +@@ -66,10 +66,30 @@ + memset ((void *) gd, 0, sizeof (gd_t)); + + /* system performance tweaking */ ++ /* System Priority Configuration Register (SPCR) */ ++#ifdef CFG_SPCR_PCIHPE ++ /* PCI highest priority enable */ ++ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_PCIHPE) | (CFG_SPCR_PCIHPE << SPCR_PCIHPE_SHIFT); ++#endif + +-#ifdef CFG_ACR_PIPE_DEP +- /* Arbiter pipeline depth */ +- im->arbiter.acr = (im->arbiter.acr & ~ACR_PIPE_DEP) | (3 << ACR_PIPE_DEP_SHIFT); ++#ifdef CFG_SPCR_PCIPR ++ /* PCI bridge CSB request priority */ ++ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_PCIPR) | (CFG_SPCR_PCIPR << SPCR_PCIPR_SHIFT); ++#endif ++ ++#ifdef CFG_SPCR_OPT ++ /* Optimize transactions between CSB and other devices */ ++ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_OPT) | (CFG_SPCR_OPT << SPCR_OPT_SHIFT); ++#endif ++ ++#ifdef CFG_SPCR_TBEN ++ /* e300 time base unit enable */ ++ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TBEN) | (CFG_SPCR_TBEN << SPCR_TBEN_SHIFT); ++#endif ++ ++#ifdef CFG_SPCR_COREPR ++ /* e300 core CSB request priority */ ++ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_COREPR) | (CFG_SPCR_COREPR << SPCR_COREPR_SHIFT); + #endif + + #ifdef CFG_SPCR_TSEC1EP +@@ -82,6 +102,7 @@ + im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC2EP) | (3 << SPCR_TSEC2EP_SHIFT); + #endif + ++ /* System Clock Control Register (SCCR) */ + #ifdef CFG_SCCR_TSEC1CM + /* TSEC1 clock mode */ + im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC1CM) | (1 << SCCR_TSEC1CM_SHIFT); +@@ -91,6 +112,12 @@ + im->clk.sccr = (im->clk.sccr & ~SCCR_TSEC2CM) | (1 << SCCR_TSEC2CM_SHIFT); + #endif + ++ /* Arbiter Control Register (ACR) */ ++#ifdef CFG_ACR_PIPE_DEP ++ /* Arbiter pipeline depth */ ++ im->arbiter.acr = (im->arbiter.acr & ~ACR_PIPE_DEP) | (3 << ACR_PIPE_DEP_SHIFT); ++#endif ++ + #ifdef CFG_ACR_RPTCNT + /* Arbiter repeat count */ + im->arbiter.acr = ((im->arbiter.acr & ~(ACR_RPTCNT)) | (3 << ACR_RPTCNT_SHIFT)); +diff --exclude CVS -uNr u-boot-1.1.6/include/configs/MPC8323ERDB.h u-boot-1.1.6.modified/include/configs/MPC8323ERDB.h +--- u-boot-1.1.6/include/configs/MPC8323ERDB.h 2007-04-10 17:43:16.000000000 -0400 ++++ u-boot-1.1.6.modified/include/configs/MPC8323ERDB.h 2007-04-10 17:32:03.000000000 -0400 +@@ -63,6 +63,16 @@ + HRCWH_BIG_ENDIAN |\ + HRCWH_LALE_NORMAL) + ++/* System performance */ ++#define CFG_ACR_PIPE_DEP 3 /* Arbiter pipeline depth (0-3) */ ++#define CFG_ACR_RPTCNT 3 /* Arbiter repeat count (0-7) */ ++#define CFG_SPCR_PCIHPE 0 /* (0-1) PCI highest priority enable */ ++#define CFG_SPCR_PCIPR 0 /* (0-3) PCI bridge CSB request priority */ ++#define CFG_SPCR_OPT 1 /* (0-1) Optimize transactions between CSB and the SEC and QUICC Engine block */ ++#define CFG_SPCR_TBEN 1 /* (0-1) e300 time base unit enable */ ++#define CFG_SPCR_COREPR 0 /* (0-3) e300 core CSB request priority */ ++ ++ + /* + * System IO Config + */ +diff --exclude CVS -uNr u-boot-1.1.6/include/mpc83xx.h u-boot-1.1.6.modified/include/mpc83xx.h +--- u-boot-1.1.6/include/mpc83xx.h 2007-04-10 17:43:16.000000000 -0400 ++++ u-boot-1.1.6.modified/include/mpc83xx.h 2007-04-10 17:32:15.000000000 -0400 +@@ -91,6 +91,7 @@ + #define SPCR_PCIPR 0x03000000 /* PCI bridge system bus request priority */ + #define SPCR_PCIPR_SHIFT (31-7) + #define SPCR_OPT 0x00800000 /* Optimize */ ++#define SPCR_OPT_SHIFT (31-8) + #define SPCR_TBEN 0x00400000 /* E300 PowerPC core time base unit enable */ + #define SPCR_TBEN_SHIFT (31-9) + #define SPCR_COREPR 0x00300000 /* E300 PowerPC Core system bus request priority */ |