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ARM: OMAP: DRA7: Reuse the omap44xx_restart and fix the device instance

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The omap44xx_restart used on omap4 and omap5 devices can be reused
on dra7 devices as well. The device instance however is different
across omap5 and dra7 as compared to omap4. So fix this for omap5
as well as dra7.

Signed-off-by: Rajendra Nayak <[email protected]>
Signed-off-by: R Sricharan <[email protected]>
Signed-off-by: Paul Walmsley <[email protected]>
This commit is contained in:
Rajendra Nayak 2013-07-09 13:02:15 +05:30 • committed by Paul Walmsley
commit 1d597b07b6
3 changed files with 18 additions and 4 deletions
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1
arch/arm/mach-omap2/Makefile
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@ -63,6 +63,7 @@ obj-$(CONFIG_SOC_AM33XX) += am33xx-restart.o
obj-$(CONFIG_ARCH_OMAP3) += omap3-restart.o
obj-$(CONFIG_ARCH_OMAP4) += omap4-restart.o
obj-$(CONFIG_SOC_OMAP5) += omap4-restart.o
obj-$(CONFIG_SOC_DRA7XX) += omap4-restart.o
# Pin multiplexing
obj-$(CONFIG_SOC_OMAP2420) += mux2420.o

1
arch/arm/mach-omap2/board-generic.c
View file

@ -238,5 +238,6 @@ DT_MACHINE_START(DRA7XX_DT, "Generic DRA7XX (Flattened Device Tree)")
.init_machine = omap_generic_init,
.init_time = omap5_realtime_timer_init,
.dt_compat = dra7xx_boards_compat,
.restart = omap44xx_restart,
MACHINE_END
#endif

18
arch/arm/mach-omap2/prminst44xx.c
View file

@ -20,10 +20,13 @@
#include "common.h"
#include "prcm-common.h"
#include "prm44xx.h"
#include "prm54xx.h"
#include "prm7xx.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];
@ -165,10 +168,19 @@ int omap4_prminst_deassert_hardreset(u8 shift, u8 part, s16 inst,
void omap4_prminst_global_warm_sw_reset(void)
{
u32 v;
s16 dev_inst;
v = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
OMAP4430_PRM_DEVICE_INST,
OMAP4_PRM_RSTCTRL_OFFSET);
if (cpu_is_omap44xx())
dev_inst = OMAP4430_PRM_DEVICE_INST;
else if (soc_is_omap54xx())
dev_inst = OMAP54XX_PRM_DEVICE_INST;
else if (soc_is_dra7xx())
dev_inst = DRA7XX_PRM_DEVICE_INST;
else
return;
v = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION, 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,