SYNOPSIS

int uart_parse_earlycon(char * p, unsigned char * iotype, unsigned long * addr, char ** options);

ARGUMENTS

p

ptr to 2nd field (ie., just beyond '<name>,')

iotype

ptr for decoded iotype (out)

addr

ptr for decoded mapbase/iobase (out)

options

ptr for <options> field; NULL if not present (out)

DESCRIPTION

Decodes earlycon kernel command line parameters of the form earlycon=<name>,io|mmio|mmio16|mmio32|mmio32be|mmio32native,<addr>,<options> console=<name>,io|mmio|mmio16|mmio32|mmio32be|mmio32native,<addr>,<options>

The optional form earlycon=<name>,0x<addr>,<options> console=<name>,0x<addr>,<options> is also accepted; the returned iotype will be UPIO_MEM.

Returns 0 on success or -EINVAL on failure

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