Add a PCIe clock and use that instead of directly touching the clock
control register. While at it, fail if there is no such clock.
Signed-off-by: NJonas Gorski <jonas.gorski@gmail.com>
Acked-by: NFlorian Fainelli <florian@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4452Signed-off-by: NJohn Crispin <blogic@openwrt.org>

Add support for the PCIe port found on BCM6328.
Signed-off-by: NJonas Gorski <jonas.gorski@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/3956/Reviewed-by: NFlorian Fainelli <florian@openwrt.org>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

Also make the cpu check a bit more explicit.
Signed-off-by: NJonas Gorski <jonas.gorski@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Maxime Bizon <mbizon@freebox.fr>
Cc: Florian Fainelli <florian@openwrt.org>
Cc: Kevin Cernekee <cernekee@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/3953/Reviewed-by: NFlorian Fainelli <florian@openwrt.org>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

Signed-off-by: NMaxime Bizon <mbizon@freebox.fr>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2892/Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

Signed-off-by: NMaxime Bizon <mbizon@freebox.fr>
Signed-off-by: NFlorian Fainelli <florian@openwrt.org>
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>