[PATCH 15/15] ARM: OMAP5: PM: handle device instance for for coldreset
Nishanth Menon
nm at ti.com
Fri Mar 1 08:04:30 EST 2013
$subject - warm reset
On 17:41-20130301, Santosh Shilimkar wrote:
> From: Nishanth Menon <nm at ti.com>
>
> OMAP5 and OMAP4 have different device instance offsets.
>
> So to handle them properly, use a runtime detected instance offset
> Other bit offsets and register offsets remained constant.
>
> Creating a new function is not really worthwhile here as the logic
> will be replicated without much benefit.
>
> Signed-off-by: Nishanth Menon <nm at ti.com>
> santosh.shilimkar at ti.com: Refreshed patch against 3.8
[santosh.shilimkar at ti.com: Refreshed patch against 3.8]
?
> Signed-off-by: Santosh Shilimkar <santosh.shilimkar at ti.com>
> ---
> arch/arm/mach-omap2/prminst44xx.c | 10 +++++++---
> 1 file changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/prminst44xx.c b/arch/arm/mach-omap2/prminst44xx.c
> index c12320c..430fb1d 100644
> --- a/arch/arm/mach-omap2/prminst44xx.c
> +++ b/arch/arm/mach-omap2/prminst44xx.c
> @@ -20,10 +20,12 @@
> #include "common.h"
> #include "prcm-common.h"
> #include "prm44xx.h"
> +#include "prm54xx.h"
> #include "prminst44xx.h"
> #include "prm-regbits-44xx.h"
> #include "prcm44xx.h"
> #include "prcm_mpu44xx.h"
> +#include "soc.h"
>
> static void __iomem *_prm_bases[OMAP4_MAX_PRCM_PARTITIONS];
>
> @@ -165,17 +167,19 @@ int omap4_prminst_deassert_hardreset(u8 shift, u8 part, s16 inst,
> void omap4_prminst_global_warm_sw_reset(void)
> {
> u32 v;
> + s16 dev_inst = cpu_is_omap44xx() ? OMAP4430_PRM_DEVICE_INST :
> + OMAP54XX_PRM_DEVICE_INST;
>
> v = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
> - OMAP4430_PRM_DEVICE_INST,
> + dev_inst,
> OMAP4_PRM_RSTCTRL_OFFSET);
> v |= OMAP4430_RST_GLOBAL_WARM_SW_MASK;
> omap4_prminst_write_inst_reg(v, OMAP4430_PRM_PARTITION,
> - OMAP4430_PRM_DEVICE_INST,
> + dev_inst,
> OMAP4_PRM_RSTCTRL_OFFSET);
>
> /* OCP barrier */
> v = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
> - OMAP4430_PRM_DEVICE_INST,
> + dev_inst,
> OMAP4_PRM_RSTCTRL_OFFSET);
> }
> --
> 1.7.9.5
>
--
Regards,
Nishanth Menon
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