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https://github.com/edk2-porting/linux-next.git
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baa9588344
Hook these platforms restart code into the new restart hook rather than using arch_reset(). Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
23 lines
472 B
C
23 lines
472 B
C
/*
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* OMAP1 reset support
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*/
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#include <linux/kernel.h>
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#include <linux/io.h>
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#include <mach/hardware.h>
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#include <plat/prcm.h>
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void omap1_restart(char mode, const char *cmd)
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{
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/*
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* Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
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* "Global Software Reset Affects Traffic Controller Frequency".
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*/
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if (cpu_is_omap5912()) {
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omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL);
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omap_writew(0x8, ARM_RSTCT1);
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}
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omap_writew(1, ARM_RSTCT1);
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}
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