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serial/serial_arc: set registers address during compilation

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Being global variable with 0 value it falls into .bss area which we may
only use after relocation to RAM. And right afetr relocation we zero
.bss - effectively cleaing register address set for early console.

Now with pre-set value "regs" variable is no longer in .bss and this way
safely survives relocation.

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
This commit is contained in:
Alexey Brodkin 2015-02-24 19:31:51 +03:00
parent 8a5c9ca4d0
commit 36d68668e3
1 changed files with 1 additions and 2 deletions
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3
drivers/serial/serial_arc.c
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@ -28,7 +28,7 @@ struct arc_serial_regs {
#define UART_OVERFLOW_ERR (1 << 1)
#define UART_TXEMPTY (1 << 7)
struct arc_serial_regs *regs;
struct arc_serial_regs *regs = (struct arc_serial_regs *)CONFIG_ARC_UART_BASE;
static void arc_serial_setbrg(void)
{
@ -60,7 +60,6 @@ static void arc_serial_setbrg(void)
static int arc_serial_init(void)
{
regs = (struct arc_serial_regs *)CONFIG_ARC_UART_BASE;
serial_setbrg();
return 0;
}