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| author | Adrian Chadd <adrian@FreeBSD.org> | 2013-07-21 03:52:52 +0000 |
|---|---|---|
| committer | Adrian Chadd <adrian@FreeBSD.org> | 2013-07-21 03:52:52 +0000 |
| commit | 6dbf63db676e99bc3ba9afa7b491381e774d9f36 (patch) | |
| tree | 1767cfddef87615259b1c9e260f073e0ffabe8a6 /sys/mips/atheros | |
| parent | 766c980a8baf8c80237cbef988386eacae13ffe9 (diff) | |
| download | src-6dbf63db676e99bc3ba9afa7b491381e774d9f36.tar.gz src-6dbf63db676e99bc3ba9afa7b491381e774d9f36.zip | |
Initialise the watchdog and UART frequencies.
For all pre-AR933x chips, the frequency is just the APB frequency.
For the AR933x, the UART frequency is different but we just hacked around
it.
For the AR934x, there's a different PLL setting for these, so they have
to be broken out.
Notes
Notes:
svn path=/head/; revision=253508
Diffstat (limited to 'sys/mips/atheros')
| -rw-r--r-- | sys/mips/atheros/ar71xx_chip.c | 4 | ||||
| -rw-r--r-- | sys/mips/atheros/ar724x_chip.c | 2 | ||||
| -rw-r--r-- | sys/mips/atheros/ar91xx_chip.c | 2 | ||||
| -rw-r--r-- | sys/mips/atheros/ar933x_chip.c | 4 |
4 files changed, 12 insertions, 0 deletions
diff --git a/sys/mips/atheros/ar71xx_chip.c b/sys/mips/atheros/ar71xx_chip.c index d141b1c35067..db7920f6b258 100644 --- a/sys/mips/atheros/ar71xx_chip.c +++ b/sys/mips/atheros/ar71xx_chip.c @@ -78,6 +78,8 @@ __FBSDID("$FreeBSD$"); uint32_t u_ar71xx_cpu_freq; uint32_t u_ar71xx_ahb_freq; uint32_t u_ar71xx_ddr_freq; +uint32_t u_ar71xx_uart_freq; +uint32_t u_ar71xx_wdt_freq; uint32_t u_ar71xx_refclk; static void @@ -107,6 +109,8 @@ ar71xx_chip_detect_sys_frequency(void) div = (((pll >> AR71XX_AHB_DIV_SHIFT) & AR71XX_AHB_DIV_MASK) + 1) * 2; u_ar71xx_ahb_freq = u_ar71xx_cpu_freq / div; + u_ar71xx_wdt_freq = u_ar71xx_cpu_freq / div; + u_ar71xx_uart_freq = u_ar71xx_cpu_freq / div; } /* diff --git a/sys/mips/atheros/ar724x_chip.c b/sys/mips/atheros/ar724x_chip.c index 74502d5a71be..c06eca63cd22 100644 --- a/sys/mips/atheros/ar724x_chip.c +++ b/sys/mips/atheros/ar724x_chip.c @@ -90,6 +90,8 @@ ar724x_chip_detect_sys_frequency(void) div = (((pll >> AR724X_AHB_DIV_SHIFT) & AR724X_AHB_DIV_MASK) + 1) * 2; u_ar71xx_ahb_freq = u_ar71xx_cpu_freq / div; + u_ar71xx_wdt_freq = u_ar71xx_cpu_freq / div; + u_ar71xx_uart_freq = u_ar71xx_cpu_freq / div; } static void diff --git a/sys/mips/atheros/ar91xx_chip.c b/sys/mips/atheros/ar91xx_chip.c index 37feaf7ebdbb..a4174b47363d 100644 --- a/sys/mips/atheros/ar91xx_chip.c +++ b/sys/mips/atheros/ar91xx_chip.c @@ -84,6 +84,8 @@ ar91xx_chip_detect_sys_frequency(void) div = (((pll >> AR91XX_AHB_DIV_SHIFT) & AR91XX_AHB_DIV_MASK) + 1) * 2; u_ar71xx_ahb_freq = u_ar71xx_cpu_freq / div; + u_ar71xx_uart_freq = u_ar71xx_cpu_freq / div; + u_ar71xx_wdt_freq = u_ar71xx_cpu_freq / div; } static void diff --git a/sys/mips/atheros/ar933x_chip.c b/sys/mips/atheros/ar933x_chip.c index cf0de55331f2..1b68cadd7a56 100644 --- a/sys/mips/atheros/ar933x_chip.c +++ b/sys/mips/atheros/ar933x_chip.c @@ -114,6 +114,10 @@ ar933x_chip_detect_sys_frequency(void) AR933X_PLL_CLOCK_CTRL_AHB_DIV_MASK) + 1; u_ar71xx_ahb_freq = freq / t; } + + /* XXX uart should be the refclk, no? */ + u_ar71xx_uart_freq = u_ar71xx_ahb_freq; + u_ar71xx_wdt_freq = u_ar71xx_ahb_freq; } static void |