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ARM: OMAP3: PRM: add API for checking and clearing cold reset status

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This isolates the PRM register access within the PRM driver.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Tero Kristo
2014-02-26 11:54:29 +02:00
parent 55c6c3ad90
commit 9efcea09b0
3 changed files with 22 additions and 5 deletions
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6
arch/arm/mach-omap2/control.c
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@@ -282,13 +282,9 @@ void omap3_clear_scratchpad_contents(void)
void __iomem *v_addr;
u32 offset = 0;
v_addr = OMAP2_L4_IO_ADDRESS(OMAP343X_SCRATCHPAD_ROM);
if (omap2_prm_read_mod_reg(OMAP3430_GR_MOD, OMAP3_PRM_RSTST_OFFSET) &
OMAP3430_GLOBAL_COLD_RST_MASK) {
if (omap3xxx_prm_clear_global_cold_reset()) {
for ( ; offset <= max_offset; offset += 0x4)
writel_relaxed(0x0, (v_addr + offset));
omap2_prm_set_mod_reg_bits(OMAP3430_GLOBAL_COLD_RST_MASK,
OMAP3430_GR_MOD,
OMAP3_PRM_RSTST_OFFSET);
}
}