diff options
| author | Govindraj.R <govindraj.raja@ti.com> | 2010-09-27 20:20:25 +0530 |
|---|---|---|
| committer | Kevin Hilman <khilman@deeprootsystems.com> | 2010-09-29 12:43:00 -0700 |
| commit | e586368904b737b4888927e4c869a25966e5cd05 (patch) | |
| tree | aa432e91badece35f181bbcbfd93e89f58ede87f /arch/arm/mach-omap2/pm34xx.c | |
| parent | a0edcdbe5295b7912e92ff88dd8f46646710735b (diff) | |
| download | lwn-e586368904b737b4888927e4c869a25966e5cd05.tar.gz lwn-e586368904b737b4888927e4c869a25966e5cd05.zip | |
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>
Diffstat (limited to 'arch/arm/mach-omap2/pm34xx.c')
| -rw-r--r-- | arch/arm/mach-omap2/pm34xx.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index d2b940c7215d..043faaa3f3dc 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -676,6 +676,14 @@ static void __init omap3_d2d_idle(void) 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 @@ static void __init prcm_setup_regs(void) 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 @@ static void __init prcm_setup_regs(void) 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 | |