diff options
Diffstat (limited to 'c/src/lib/libbsp/sh/gensh4/README')
| -rw-r--r-- | c/src/lib/libbsp/sh/gensh4/README | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/c/src/lib/libbsp/sh/gensh4/README b/c/src/lib/libbsp/sh/gensh4/README index 8d55eb56c0..ae87b2b81a 100644 --- a/c/src/lib/libbsp/sh/gensh4/README +++ b/c/src/lib/libbsp/sh/gensh4/README @@ -64,12 +64,12 @@ NOTES hw_init.c also provides 'bsp_cache_on'(void) normally called from 'start.S' after copying all data from rom to ram. -(3) In 'make/custom/gensh4.cfg' you should properly set 'HZ=XXXX', which - is frequency fed to the CPU core (external clock frequency can be +(3) In 'configure.ac' you should properly set 'CPU_CLOCK_RATE_HZ'. + It is frequency fed to the CPU core (external clock frequency can be multiplied by on-chip PLLs). Please note that it is not a frequency of external oscillator! See Hardware Manual, section 10, for details. Global variable 'SH4_CPU_HZ_Frequency' is declared in 'bsp.h' and - initilized in 'bspstart.c' to ${HZ}. It is used by console driver, + initilized in 'bspstart.c' to ${HZ}. It is used by sci driver, which exists in 'libcpu/sh/sh7750'. (4) There is SH4_WITH_IPL macro in console driver 'sh4_uart.h'. |