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| author | Heiko Schocher <hs@pollux.denx.de> | 2006-04-20 08:42:42 +0200 |
|---|---|---|
| committer | Heiko Schocher <hs@pollux.denx.de> | 2006-04-20 08:42:42 +0200 |
| commit | 9acb626fc145e7327f94fd77f927dce08dd978a8 (patch) | |
| tree | 8597a60515c10ec608ad756699460226ccb63343 /cpu/mcf52x2/serial.c | |
| parent | 8419c013048b1f15f3fa2fc7c0463d860a04ee3e (diff) | |
| download | olio-uboot-2014.01-9acb626fc145e7327f94fd77f927dce08dd978a8.tar.xz olio-uboot-2014.01-9acb626fc145e7327f94fd77f927dce08dd978a8.zip | |
Add MCF5282 support (without preloader)
relocate ichache_State to ram
u-boot can run from internal flash
Add EB+MCF-EV123 board support.
Add m68k Boards to MAKEALL
Patch from Jens Scharsig, 08 Aug 2005
Diffstat (limited to 'cpu/mcf52x2/serial.c')
| -rw-r--r-- | cpu/mcf52x2/serial.c | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/cpu/mcf52x2/serial.c b/cpu/mcf52x2/serial.c index 79628d03e..fe412a0a3 100644 --- a/cpu/mcf52x2/serial.c +++ b/cpu/mcf52x2/serial.c @@ -65,6 +65,28 @@ void rs_serial_setbaudrate(int port,int baudrate) uartp[MCFUART_UBG2] = ((int)clock & 0xff); /* set lsb baud */ uartp[MCFUART_UFPD] = ((int)fraction & 0xf); /* set baud fraction adjust */ #endif +#if defined(CONFIG_M5282) + volatile unsigned char *uartp; + long clock; + + switch (port) + { + case 1: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2); + break; + case 2: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3); + break; + default: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); + } + + clock = (long) CFG_CLK / ((long) 32 * baudrate); /* Set baud above */ + + uartp[MCFUART_UBG1] = (((int)clock >> 8) & 0xff); /* set msb baud */ + uartp[MCFUART_UBG2] = ((int) clock & 0xff); /* set lsb baud */ + +#endif }; void rs_serial_init(int port,int baudrate) @@ -74,10 +96,19 @@ void rs_serial_init(int port,int baudrate) /* * Reset UART, get it into known state... */ - if (port == 0) - uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); - else - uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2); + switch (port) + { + case 1: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE2); + break; + #if defined(CONFIG_M5282) + case 2: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE3); + break; + #endif + default: + uartp = (volatile unsigned char *) (CFG_MBAR + MCFUART_BASE1); + } uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETRX; /* reset RX */ uartp[MCFUART_UCR] = MCFUART_UCR_CMDRESETTX; /* reset TX */ |