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git://projects.qi-hardware.com/openwrt-xburst.git
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0a2b2965cd
* bump kernel to 2.6.35.8 * merge arcadyn mach files * fixes ar9 * adds hack for tapi drivers git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23836 3c298f89-4303-0410-b956-a3cf2f4a3e73
39 lines
885 B
C
39 lines
885 B
C
#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/version.h>
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#include <linux/types.h>
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#include <linux/fs.h>
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#include <linux/miscdevice.h>
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#include <linux/init.h>
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#include <linux/uaccess.h>
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#include <linux/unistd.h>
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#include <linux/errno.h>
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#include <asm/irq.h>
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#include <asm/div64.h>
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#include <ifxmips.h>
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#include <ifxmips_cgu.h>
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void
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cgu_setup_pci_clk(int external_clock)
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{
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/* set clock to 33Mhz */
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ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~0xf00000,
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IFXMIPS_CGU_IFCCR);
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ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | 0x800000,
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IFXMIPS_CGU_IFCCR);
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if (external_clock)
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{
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ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) & ~(1 << 16),
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IFXMIPS_CGU_IFCCR);
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ifxmips_w32((1 << 30), IFXMIPS_CGU_PCICR);
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} else {
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ifxmips_w32(ifxmips_r32(IFXMIPS_CGU_IFCCR) | (1 << 16),
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IFXMIPS_CGU_IFCCR);
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ifxmips_w32((1 << 31) | (1 << 30), IFXMIPS_CGU_PCICR);
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}
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}
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