45 lines
835 B
C
45 lines
835 B
C
#include <linux/init.h>
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#include <linux/string.h>
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#include <linux/module.h>
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#include <asm/fw/fw.h>
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#if defined(CONFIG_RT2880_UART_115200)
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#define TTY_UART_CONSOLE "console=ttyS0,115200n8"
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#else
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#define TTY_UART_CONSOLE "console=ttyS0,57600n8"
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#endif
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int env_dual_image;
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EXPORT_SYMBOL(env_dual_image);
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static inline void fixup_env(void)
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{
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const char *s = fw_getenv("dual_image");
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if (s && strcmp(s, "0") == 0)
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env_dual_image = 0;
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else
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env_dual_image = 1;
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}
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static inline void fixup_cmdline(char *s, size_t size)
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{
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const char *p = TTY_UART_CONSOLE;
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if (strstr(s, "console="))
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return;
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/* Add space if there are symbols in buffer */
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if (*s)
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strlcat(s, " ", size);
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strlcat(s, p, size);
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}
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void __init prom_init_cmdline(void)
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{
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fw_init_cmdline();
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fixup_cmdline(arcs_cmdline, sizeof(arcs_cmdline));
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fixup_env();
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}
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