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Fix the AR933x CPU UART support by using the correct clock when calculating

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the UART frequency.

Tested:

* AR933x (carambola 2 board), UART now works again

Approved by:	re
This commit is contained in:
Adrian Chadd 2013-09-21 19:42:37 +00:00
parent c4d0c9d04e
commit ad5b574375
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=255764
1 changed files with 8 additions and 2 deletions
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10
sys/mips/atheros/ar933x_chip.c
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@ -115,8 +115,14 @@ ar933x_chip_detect_sys_frequency(void)
u_ar71xx_ahb_freq = freq / t;
}
/* XXX uart should be the refclk, no? */
u_ar71xx_uart_freq = u_ar71xx_ahb_freq;
/* On the AR933x, the UART frequency is the reference clock,
* not the AHB bus clock.
*/
u_ar71xx_uart_freq = u_ar71xx_refclk;
/*
* XXX check what the watchdog frequency should be?
*/
u_ar71xx_wdt_freq = u_ar71xx_ahb_freq;
}