Commit Graph

4 Commits

Author SHA1 Message Date
Murali Karicheri
17e846aa39 ARM: dts: keystone: k2l: fix kernel crash when clk_ignore_unused is not in bootargs
Currently kernel crash randomly when K2L EVM is booted without
clk_ignore_unused in the bootargs. This workaround is not needed
on other K2 devices such as K2HK and K2E and with this fix, we can
remove the workaround altogether. netcp driver on K2L uses linked
ram on OSR (On chip Static RAM) and requires the clock to this peripheral
enabled for proper functioning. This is the reason for the kernel crash.
So add the clock node to fix this issue.

While at it, remove the workaround documentation as well.

With the fix applied, clk_summary dump shows the clock to OSR enabled.

cat /sys/kernel/debug/clk/clk_summary
 ------cut--------------
   tcp3d-1                   0            0   399360000          0 0
   tcp3d-0                   0            0   399360000          0 0
   osr                       1            1   399360000          0 0
   fftc-0                    0            0   399360000          0 0
 -----cut----------------
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-11-23 10:36:27 -08:00
Murali Karicheri
9d45708f5a ARM: dts: keystone: enable accumulator channels
Add low priority accumulator channel that can monitor multiple QMSS
queues. User for example could use the accumular queue for Netcp
Rx completion. While at it, also add an extra line end of each top
level node in DTS to make it more readable.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-10-13 13:42:43 -07:00
Murali Karicheri
0b23934230 ARM: dts: k2l: fix the netcp range size
k2l netcp range size is 16M (0x1000000) and not 0xffffff. This patch fixes
this. Similarly fix the size of switch module register space to 0x20000.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-06-10 15:43:00 -07:00
Murali Karicheri
9df146949d ARM: dts: k2l-evm: Add device bindings for netcp driver
This patch enables networking on k2l evm by providing
device bindings for netcp, knav, and qmss. See device
binding documentation at

Documentation/devicetree/bindings/net/keystone-netcp.txt

Signed-off-by: WingMan Kwok <w-kwok2@ti.com>
Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Santosh Shilimkar <ssantosh@kernel.org>
2015-06-10 15:43:00 -07:00