diff options
| author | wdenk <wdenk> | 2003-07-14 22:13:32 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2003-07-14 22:13:32 +0000 |
| commit | 8564acf936726c5568d71e4fa93a0ae9814e0d07 (patch) | |
| tree | 05fa981555adf1d333970f3d52d0683008fe3cfb /cpu/mpc8260/commproc.c | |
| parent | 5702923e23238df6c6f62d53f73863462ae62f4e (diff) | |
* Patches by Yuli Barcohen, 13 Jul 2003:
- Correct flash and JFFS2 support for MPC8260ADS
- fix PVR values and clock generation for PowerQUICC II family
(8270/8275/8280)
* Patch by Bernhard Kuhn, 08 Jul 2003:
- add support for M68K targets
* Patch by Ken Chou, 3 Jul:
- Fix PCI config table for A3000
- Fix iobase for natsemi.c
(PCI_BASE_ADDRESS_0 is the IO base register for DP83815)
* Allow to enable "slow" POST routines by key press on power-on
* Fix temperature dependend switching of LCD backlight on LWMON
* Tweak output format for LWMON
Diffstat (limited to 'cpu/mpc8260/commproc.c')
| -rw-r--r-- | cpu/mpc8260/commproc.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/cpu/mpc8260/commproc.c b/cpu/mpc8260/commproc.c index c523ee4dc..72cceb3cc 100644 --- a/cpu/mpc8260/commproc.c +++ b/cpu/mpc8260/commproc.c @@ -111,9 +111,9 @@ m8260_cpm_hostalloc(uint size, uint align) * to port numbers). Documentation uses 1-based numbering. */ #define BRG_INT_CLK gd->brg_clk -#define BRG_UART_CLK ((BRG_INT_CLK + 15) / 16) +#define BRG_UART_CLK (BRG_INT_CLK / 16) -/* This function is used by UARTS, or anything else that uses a 16x +/* This function is used by UARTs, or anything else that uses a 16x * oversampled clock. */ void @@ -123,9 +123,10 @@ m8260_cpm_setbrg(uint brg, uint rate) volatile immap_t *immr = (immap_t *)CFG_IMMR; volatile uint *bp; + uint cd = BRG_UART_CLK / rate; - /* This is good enough to get SMCs running..... - */ + if ((BRG_UART_CLK % rate) < (rate / 2)) + cd--; if (brg < 4) { bp = (uint *)&immr->im_brgc1; } @@ -134,7 +135,7 @@ m8260_cpm_setbrg(uint brg, uint rate) brg -= 4; } bp += brg; - *bp = (((((BRG_UART_CLK+rate-1)/rate)-1)&0xfff)<<1)|CPM_BRG_EN; + *bp = (cd << 1) | CPM_BRG_EN; } /* This function is used to set high speed synchronous baud rate |