OMAP3: PRCM: Consider UART4 for 3630 chip in prcm_setup_regs
To standarize among other uarts (1 to 3), we shall now:
- Enable uart4 autodile bit.
- Enable uart4 wakeup in PER.
- Allow uart4 to wakeup the MPU.
Signed-off-by: Sergio Aguirre <saaguirre@ti.com>
Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
Acked-by: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index d2b940c..043faaa 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -676,6 +676,14 @@
static void __init prcm_setup_regs(void)
{
+ u32 omap3630_auto_uart4_mask = cpu_is_omap3630() ?
+ OMAP3630_AUTO_UART4_MASK : 0;
+ u32 omap3630_en_uart4_mask = cpu_is_omap3630() ?
+ OMAP3630_EN_UART4_MASK : 0;
+ u32 omap3630_grpsel_uart4_mask = cpu_is_omap3630() ?
+ OMAP3630_GRPSEL_UART4_MASK : 0;
+
+
/* XXX Reset all wkdeps. This should be done when initializing
* powerdomains */
prm_write_mod_reg(0, OMAP3430_IVA2_MOD, PM_WKDEP);
@@ -762,6 +770,7 @@
CM_AUTOIDLE);
cm_write_mod_reg(
+ omap3630_auto_uart4_mask |
OMAP3430_AUTO_GPIO6_MASK |
OMAP3430_AUTO_GPIO5_MASK |
OMAP3430_AUTO_GPIO4_MASK |
@@ -838,14 +847,16 @@
OMAP3430_DSS_MOD, PM_WKEN);
/* Enable wakeups in PER */
- prm_write_mod_reg(OMAP3430_EN_GPIO2_MASK | OMAP3430_EN_GPIO3_MASK |
+ prm_write_mod_reg(omap3630_en_uart4_mask |
+ OMAP3430_EN_GPIO2_MASK | OMAP3430_EN_GPIO3_MASK |
OMAP3430_EN_GPIO4_MASK | OMAP3430_EN_GPIO5_MASK |
OMAP3430_EN_GPIO6_MASK | OMAP3430_EN_UART3_MASK |
OMAP3430_EN_MCBSP2_MASK | OMAP3430_EN_MCBSP3_MASK |
OMAP3430_EN_MCBSP4_MASK,
OMAP3430_PER_MOD, PM_WKEN);
/* and allow them to wake up MPU */
- prm_write_mod_reg(OMAP3430_GRPSEL_GPIO2_MASK |
+ prm_write_mod_reg(omap3630_grpsel_uart4_mask |
+ OMAP3430_GRPSEL_GPIO2_MASK |
OMAP3430_GRPSEL_GPIO3_MASK |
OMAP3430_GRPSEL_GPIO4_MASK |
OMAP3430_GRPSEL_GPIO5_MASK |
