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omap: UART: fix wakeup registers for OMAP24xx UART2 

On OMAP24xx, UART2 WKEN and WKST registers are in PM_WKEN2_CORE and
PM_WKST2_CORE respecitvely.  Fix the OMAP2 register init to use the
correct registers on OMAP24xx.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Kevin Hilman 2010-10-20 23:19:03 +00:00 committed by Tony Lindgren
parent 2a12400eed
commit cb74f0223f
1 changed files with 10 additions and 7 deletions
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17
arch/arm/mach-omap2/serial.c
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@ -515,14 +515,8 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
uart->padconf = padconf;
} else if (cpu_is_omap24xx()) {
u32 wk_mask = 0;
u32 wk_en = PM_WKEN1, wk_st = PM_WKST1;
if (cpu_is_omap2430()) {
uart->wk_en = OMAP2430_PRM_REGADDR(CORE_MOD, PM_WKEN1);
uart->wk_st = OMAP2430_PRM_REGADDR(CORE_MOD, PM_WKST1);
} else if (cpu_is_omap2420()) {
uart->wk_en = OMAP2420_PRM_REGADDR(CORE_MOD, PM_WKEN1);
uart->wk_st = OMAP2420_PRM_REGADDR(CORE_MOD, PM_WKST1);
}
switch (uart->num) {
case 0:
wk_mask = OMAP24XX_ST_UART1_MASK;
@ -531,10 +525,19 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
wk_mask = OMAP24XX_ST_UART2_MASK;
break;
case 2:
wk_en = OMAP24XX_PM_WKEN2;
wk_st = OMAP24XX_PM_WKST2;
wk_mask = OMAP24XX_ST_UART3_MASK;
break;
}
uart->wk_mask = wk_mask;
if (cpu_is_omap2430()) {
uart->wk_en = OMAP2430_PRM_REGADDR(CORE_MOD, wk_en);
uart->wk_st = OMAP2430_PRM_REGADDR(CORE_MOD, wk_st);
} else if (cpu_is_omap2420()) {
uart->wk_en = OMAP2420_PRM_REGADDR(CORE_MOD, wk_en);
uart->wk_st = OMAP2420_PRM_REGADDR(CORE_MOD, wk_st);
}
} else {
uart->wk_en = NULL;
uart->wk_st = NULL;