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| author | Richard Retanubun <RichardRetanubun@RuggedCom.com> | 2009-01-29 14:36:06 -0500 |
|---|---|---|
| committer | John Rigby <jrigby@freescale.com> | 2009-02-06 14:54:47 -0700 |
| commit | e0db344fabfeb4f9649846f94838f51172f6a1f6 (patch) | |
| tree | 6c30ca2295619fba33e47ddf63474b209ed6d5df | |
| parent | d1ef25dd81c79dcfad5c2ff0162b1bea21d04bc3 (diff) | |
| download | u-boot-imx-e0db344fabfeb4f9649846f94838f51172f6a1f6.zip u-boot-imx-e0db344fabfeb4f9649846f94838f51172f6a1f6.tar.gz u-boot-imx-e0db344fabfeb4f9649846f94838f51172f6a1f6.tar.bz2 | |
Coldfire: M5271: Allow board header file to specify clock multiplier
M5271 dynamic clock multiplier. It is currently fixed at 100MHz.
Allow the board header file to set their own multiplier and divider.
Added the #define for the multiplier and divider to the cpu header file.
Signed-off-by: Richard Retanubun <RichardRetanubun@RuggedCom.com>
| -rw-r--r-- | cpu/mcf52x2/cpu_init.c | 7 | ||||
| -rw-r--r-- | include/asm-m68k/m5271.h | 53 |
2 files changed, 57 insertions, 3 deletions
diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c index d88acc5..11f70b0 100644 --- a/cpu/mcf52x2/cpu_init.c +++ b/cpu/mcf52x2/cpu_init.c @@ -181,9 +181,14 @@ void cpu_init_f(void) /* FlexBus Chipselect */ init_fbcs(); +#ifdef CONFIG_SYS_MCF_SYNCR + /* Set clockspeed according to board header file */ + mbar_writeLong(MCF_FMPLL_SYNCR, CONFIG_SYS_MCF_SYNCR); +#else /* Set clockspeed to 100MHz */ - mbar_writeShort(MCF_FMPLL_SYNCR, + mbar_writeLong(MCF_FMPLL_SYNCR, MCF_FMPLL_SYNCR_MFD(0) | MCF_FMPLL_SYNCR_RFD(0)); +#endif while (!mbar_readByte(MCF_FMPLL_SYNSR) & MCF_FMPLL_SYNSR_LOCK) ; } diff --git a/include/asm-m68k/m5271.h b/include/asm-m68k/m5271.h index 7877616..865fef1 100644 --- a/include/asm-m68k/m5271.h +++ b/include/asm-m68k/m5271.h @@ -37,8 +37,27 @@ #define MCF_FMPLL_SYNCR 0x120000 #define MCF_FMPLL_SYNSR 0x120004 + #define MCF_FMPLL_SYNCR_MFD(x) ((x&0x7)<<24) +#define MCF_SYNCR_MFD_4X 0x00000000 +#define MCF_SYNCR_MFD_6X 0x01000000 +#define MCF_SYNCR_MFD_8X 0x02000000 +#define MCF_SYNCR_MFD_10X 0x03000000 +#define MCF_SYNCR_MFD_12X 0x04000000 +#define MCF_SYNCR_MFD_14X 0x05000000 +#define MCF_SYNCR_MFD_16X 0x06000000 +#define MCF_SYNCR_MFD_18X 0x07000000 + #define MCF_FMPLL_SYNCR_RFD(x) ((x&0x7)<<19) +#define MCF_SYNCR_RFD_DIV1 0x00000000 +#define MCF_SYNCR_RFD_DIV2 0x00080000 +#define MCF_SYNCR_RFD_DIV4 0x00100000 +#define MCF_SYNCR_RFD_DIV8 0x00180000 +#define MCF_SYNCR_RFD_DIV16 0x00200000 +#define MCF_SYNCR_RFD_DIV32 0x00280000 +#define MCF_SYNCR_RFD_DIV64 0x00300000 +#define MCF_SYNCR_RFD_DIV128 0x00380000 + #define MCF_FMPLL_SYNSR_LOCK 0x8 #define MCF_WTM_WCR 0x140000 @@ -50,17 +69,47 @@ #define MCF_RCM_RCR_FRCRSTOUT 0x40 #define MCF_RCM_RCR_SOFTRST 0x80 +#define MCF_GPIO_PODR_ADDR 0x100000 +#define MCF_GPIO_PODR_DATAH 0x100001 +#define MCF_GPIO_PODR_DATAL 0x100002 +#define MCF_GPIO_PODR_BUSCTL 0x100003 +#define MCF_GPIO_PODR_BS 0x100004 +#define MCF_GPIO_PODR_CS 0x100005 +#define MCF_GPIO_PODR_SDRAM 0x100006 +#define MCF_GPIO_PODR_FECI2C 0x100007 +#define MCF_GPIO_PODR_UARTH 0x100008 +#define MCF_GPIO_PODR_UARTL 0x100009 +#define MCF_GPIO_PODR_QSPI 0x10000A +#define MCF_GPIO_PODR_TIMER 0x10000B + +#define MCF_GPIO_PDDR_ADDR 0x100010 +#define MCF_GPIO_PDDR_DATAH 0x100011 +#define MCF_GPIO_PDDR_DATAL 0x100012 +#define MCF_GPIO_PDDR_BUSCTL 0x100013 +#define MCF_GPIO_PDDR_BS 0x100014 +#define MCF_GPIO_PDDR_CS 0x100015 +#define MCF_GPIO_PDDR_SDRAM 0x100016 +#define MCF_GPIO_PDDR_FECI2C 0x100017 +#define MCF_GPIO_PDDR_UARTH 0x100018 +#define MCF_GPIO_PDDR_UARTL 0x100019 +#define MCF_GPIO_PDDR_QSPI 0x10001A +#define MCF_GPIO_PDDR_TIMER 0x10001B + #define MCF_GPIO_PAR_AD 0x100040 +#define MCF_GPIO_PAR_BUSCTL 0x100042 +#define MCF_GPIO_PAR_BS 0x100044 #define MCF_GPIO_PAR_CS 0x100045 #define MCF_GPIO_PAR_SDRAM 0x100046 #define MCF_GPIO_PAR_FECI2C 0x100047 #define MCF_GPIO_PAR_UART 0x100048 +#define MCF_GPIO_PAR_QSPI 0x10004A +#define MCF_GPIO_PAR_TIMER 0x10004C #define MCF_CCM_CIR 0x11000A #define MCF_CCM_CIR_PRN_MASK 0x3F #define MCF_CCM_CIR_PIN_LEN 6 -#define MCF_CCM_CIR_PIN_MCF5270 0x2e -#define MCF_CCM_CIR_PIN_MCF5271 0x80 +#define MCF_CCM_CIR_PIN_MCF5270 0x002e +#define MCF_CCM_CIR_PIN_MCF5271 0x0032 #define MCF_GPIO_AD_ADDR23 0x80 #define MCF_GPIO_AD_ADDR22 0x40 |