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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-02 03:22:01 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-02 03:22:01 (GMT)
commitcd9a0b6bd67ec372b0ef3cb2abe26974f888b956 (patch)
treeffec66aa48f95b2b764f9e84fbafc519cce5000e /arch/arm/mach-omap2/prm44xx.c
parentac5761a650d22dd7dfad4d417463a0981d2da0a4 (diff)
parent090ad104c5c59c7952d4b8d4cfb60559b38eb3e0 (diff)
downloadlinux-fsl-qoriq-cd9a0b6bd67ec372b0ef3cb2abe26974f888b956.tar.xz
Merge branch 'next/pm' of git://git.linaro.org/people/arnd/arm-soc
* 'next/pm' of git://git.linaro.org/people/arnd/arm-soc: (66 commits) ARM: CSR: PM: use outer_resume to resume L2 cache ARM: CSR: call l2x0_of_init to init L2 cache of SiRFprimaII ARM: OMAP: voltage: voltage layer present, even when CONFIG_PM=n ARM: CSR: PM: add sleep entry for SiRFprimaII ARM: CSR: PM: save/restore irq status in suspend cycle ARM: CSR: PM: save/restore timer status in suspend cycle OMAP4: PM: TWL6030: add cmd register OMAP4: PM: TWL6030: fix ON/RET/OFF voltages OMAP4: PM: TWL6030: address 0V conversions OMAP4: PM: TWL6030: fix uv to voltage for >0x39 OMAP4: PM: TWL6030: fix voltage conversion formula omap: voltage: add a stub header file for external/regulator use OMAP2+: VC: more registers are per-channel starting with OMAP5 OMAP3+: voltage: update nominal voltage in voltdm_scale() not VC post-scale OMAP3+: voltage: rename omap_voltage_get_nom_volt -> voltdm_get_voltage OMAP3+: voltdm: final removal of omap_vdd_info OMAP3+: voltage: move/rename curr_volt from vdd_info into struct voltagedomain OMAP3+: voltage: rename scale and reset functions using voltdm_ prefix OMAP3+: VP: combine setting init voltage into common function OMAP3+: VP: remove unused omap_vp_get_curr_volt() ... Fix up trivial conflict in arch/arm/mach-prima2/l2x0.c (code removal vs edit)
Diffstat (limited to 'arch/arm/mach-omap2/prm44xx.c')
-rw-r--r--arch/arm/mach-omap2/prm44xx.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index 0016555..495a31a 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -21,8 +21,11 @@
#include <plat/cpu.h>
#include <plat/prcm.h>
+#include "vp.h"
#include "prm44xx.h"
#include "prm-regbits-44xx.h"
+#include "prcm44xx.h"
+#include "prminst44xx.h"
/* PRM low-level functions */
@@ -50,3 +53,71 @@ u32 omap4_prm_rmw_inst_reg_bits(u32 mask, u32 bits, s16 inst, s16 reg)
return v;
}
+
+/* PRM VP */
+
+/*
+ * struct omap4_vp - OMAP4 VP register access description.
+ * @irqstatus_mpu: offset to IRQSTATUS_MPU register for VP
+ * @tranxdone_status: VP_TRANXDONE_ST bitmask in PRM_IRQSTATUS_MPU reg
+ */
+struct omap4_vp {
+ u32 irqstatus_mpu;
+ u32 tranxdone_status;
+};
+
+static struct omap4_vp omap4_vp[] = {
+ [OMAP4_VP_VDD_MPU_ID] = {
+ .irqstatus_mpu = OMAP4_PRM_IRQSTATUS_MPU_2_OFFSET,
+ .tranxdone_status = OMAP4430_VP_MPU_TRANXDONE_ST_MASK,
+ },
+ [OMAP4_VP_VDD_IVA_ID] = {
+ .irqstatus_mpu = OMAP4_PRM_IRQSTATUS_MPU_OFFSET,
+ .tranxdone_status = OMAP4430_VP_IVA_TRANXDONE_ST_MASK,
+ },
+ [OMAP4_VP_VDD_CORE_ID] = {
+ .irqstatus_mpu = OMAP4_PRM_IRQSTATUS_MPU_OFFSET,
+ .tranxdone_status = OMAP4430_VP_CORE_TRANXDONE_ST_MASK,
+ },
+};
+
+u32 omap4_prm_vp_check_txdone(u8 vp_id)
+{
+ struct omap4_vp *vp = &omap4_vp[vp_id];
+ u32 irqstatus;
+
+ irqstatus = omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
+ OMAP4430_PRM_OCP_SOCKET_INST,
+ vp->irqstatus_mpu);
+ return irqstatus & vp->tranxdone_status;
+}
+
+void omap4_prm_vp_clear_txdone(u8 vp_id)
+{
+ struct omap4_vp *vp = &omap4_vp[vp_id];
+
+ omap4_prminst_write_inst_reg(vp->tranxdone_status,
+ OMAP4430_PRM_PARTITION,
+ OMAP4430_PRM_OCP_SOCKET_INST,
+ vp->irqstatus_mpu);
+};
+
+u32 omap4_prm_vcvp_read(u8 offset)
+{
+ return omap4_prminst_read_inst_reg(OMAP4430_PRM_PARTITION,
+ OMAP4430_PRM_DEVICE_INST, offset);
+}
+
+void omap4_prm_vcvp_write(u32 val, u8 offset)
+{
+ omap4_prminst_write_inst_reg(val, OMAP4430_PRM_PARTITION,
+ OMAP4430_PRM_DEVICE_INST, offset);
+}
+
+u32 omap4_prm_vcvp_rmw(u32 mask, u32 bits, u8 offset)
+{
+ return omap4_prminst_rmw_inst_reg_bits(mask, bits,
+ OMAP4430_PRM_PARTITION,
+ OMAP4430_PRM_DEVICE_INST,
+ offset);
+}