Merge remote branch 'remotes/origin/hwmod_a_2.6.39' into tmp-integration-2.6.39-20110310-024

Conflicts:
	arch/arm/mach-omap2/omap_hwmod_2430_data.c
	arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
	arch/arm/plat-omap/include/plat/omap_hwmod.h

6 files changed, 79 insertions, 59 deletions

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index e39772beaed..4c8329e4e6e 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -370,7 +370,7 @@ static int _set_module_autoidle(struct omap_hwmod *oh, u8 autoidle,
 	}
 
 	autoidle_shift = oh->class->sysc->sysc_fields->autoidle_shift;
-	autoidle_mask = (0x3 << autoidle_shift);
+	autoidle_mask = (0x1 << autoidle_shift);
 
 	*v &= ~autoidle_mask;
 	*v |= autoidle << autoidle_shift;
@@ -929,7 +929,7 @@ static int _init_clocks(struct omap_hwmod *oh, void *data)
 	if (!ret)
 		oh->_state = _HWMOD_STATE_CLKS_INITED;
 
-	return 0;
+	return ret;
 }
 
 /**
@@ -975,25 +975,29 @@ static int _wait_target_ready(struct omap_hwmod *oh)
 }
 
 /**
- * _lookup_hardreset - return the register bit shift for this hwmod/reset line
+ * _lookup_hardreset - fill register bit info for this hwmod/reset line
  * @oh: struct omap_hwmod *
  * @name: name of the reset line in the context of this hwmod
+ * @ohri: struct omap_hwmod_rst_info * that this function will fill in
  *
  * Return the bit position of the reset line that match the
  * input name. Return -ENOENT if not found.
  */
-static u8 _lookup_hardreset(struct omap_hwmod *oh, const char *name)
+static u8 _lookup_hardreset(struct omap_hwmod *oh, const char *name,
+			    struct omap_hwmod_rst_info *ohri)
 {
 	int i;
 
 	for (i = 0; i < oh->rst_lines_cnt; i++) {
 		const char *rst_line = oh->rst_lines[i].name;
 		if (!strcmp(rst_line, name)) {
-			u8 shift = oh->rst_lines[i].rst_shift;
-			pr_debug("omap_hwmod: %s: _lookup_hardreset: %s: %d\n",
-				 oh->name, rst_line, shift);
+			ohri->rst_shift = oh->rst_lines[i].rst_shift;
+			ohri->st_shift = oh->rst_lines[i].st_shift;
+			pr_debug("omap_hwmod: %s: %s: %s: rst %d st %d\n",
+				 oh->name, __func__, rst_line, ohri->rst_shift,
+				 ohri->st_shift);
 
-			return shift;
+			return 0;
 		}
 	}
 
@@ -1012,21 +1016,22 @@ static u8 _lookup_hardreset(struct omap_hwmod *oh, const char *name)
  */
 static int _assert_hardreset(struct omap_hwmod *oh, const char *name)
 {
-	u8 shift;
+	struct omap_hwmod_rst_info ohri;
+	u8 ret;
 
 	if (!oh)
 		return -EINVAL;
 
-	shift = _lookup_hardreset(oh, name);
-	if (IS_ERR_VALUE(shift))
-		return shift;
+	ret = _lookup_hardreset(oh, name, &ohri);
+	if (IS_ERR_VALUE(ret))
+		return ret;
 
 	if (cpu_is_omap24xx() || cpu_is_omap34xx())
 		return omap2_prm_assert_hardreset(oh->prcm.omap2.module_offs,
-						  shift);
+						  ohri.rst_shift);
 	else if (cpu_is_omap44xx())
 		return omap4_prm_assert_hardreset(oh->prcm.omap4.rstctrl_reg,
-						  shift);
+						  ohri.rst_shift);
 	else
 		return -EINVAL;
 }
@@ -1043,29 +1048,34 @@ static int _assert_hardreset(struct omap_hwmod *oh, const char *name)
  */
 static int _deassert_hardreset(struct omap_hwmod *oh, const char *name)
 {
-	u8 shift;
-	int r;
+	struct omap_hwmod_rst_info ohri;
+	int ret;
 
 	if (!oh)
 		return -EINVAL;
 
-	shift = _lookup_hardreset(oh, name);
-	if (IS_ERR_VALUE(shift))
-		return shift;
+	ret = _lookup_hardreset(oh, name, &ohri);
+	if (IS_ERR_VALUE(ret))
+		return ret;
 
-	if (cpu_is_omap24xx() || cpu_is_omap34xx())
-		r = omap2_prm_deassert_hardreset(oh->prcm.omap2.module_offs,
-						 shift);
-	else if (cpu_is_omap44xx())
-		r = omap4_prm_deassert_hardreset(oh->prcm.omap4.rstctrl_reg,
-						 shift);
-	else
+	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
+		ret = omap2_prm_deassert_hardreset(oh->prcm.omap2.module_offs,
+						   ohri.rst_shift,
+						   ohri.st_shift);
+	} else if (cpu_is_omap44xx()) {
+		if (ohri.st_shift)
+			pr_err("omap_hwmod: %s: %s: hwmod data error: OMAP4 does not support st_shift\n",
+			       oh->name, name);
+		ret = omap4_prm_deassert_hardreset(oh->prcm.omap4.rstctrl_reg,
+						   ohri.rst_shift);
+	} else {
 		return -EINVAL;
+	}
 
-	if (r == -EBUSY)
+	if (ret == -EBUSY)
 		pr_warning("omap_hwmod: %s: failed to hardreset\n", oh->name);
 
-	return r;
+	return ret;
 }
 
 /**
@@ -1078,21 +1088,22 @@ static int _deassert_hardreset(struct omap_hwmod *oh, const char *name)
  */
 static int _read_hardreset(struct omap_hwmod *oh, const char *name)
 {
-	u8 shift;
+	struct omap_hwmod_rst_info ohri;
+	u8 ret;
 
 	if (!oh)
 		return -EINVAL;
 
-	shift = _lookup_hardreset(oh, name);
-	if (IS_ERR_VALUE(shift))
-		return shift;
+	ret = _lookup_hardreset(oh, name, &ohri);
+	if (IS_ERR_VALUE(ret))
+		return ret;
 
 	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
 		return omap2_prm_is_hardreset_asserted(oh->prcm.omap2.module_offs,
-						       shift);
+						       ohri.st_shift);
 	} else if (cpu_is_omap44xx()) {
 		return omap4_prm_is_hardreset_asserted(oh->prcm.omap4.rstctrl_reg,
-						       shift);
+						       ohri.rst_shift);
 	} else {
 		return -EINVAL;
 	}
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 61e58bd27ae..62823467163 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -988,7 +988,7 @@ static struct omap_hwmod_class_sysconfig omap2420_wd_timer_sysc = {
 	.sysc_offs	= 0x0010,
 	.syss_offs	= 0x0014,
 	.sysc_flags	= (SYSC_HAS_EMUFREE | SYSC_HAS_SOFTRESET |
-			   SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
 	.sysc_fields    = &omap_hwmod_sysc_type1,
 };
 
@@ -1029,7 +1029,7 @@ static struct omap_hwmod_class_sysconfig uart_sysc = {
 	.syss_offs	= 0x58,
 	.sysc_flags	= (SYSC_HAS_SIDLEMODE |
 			   SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
-			   SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
 	.sysc_fields    = &omap_hwmod_sysc_type1,
 };
@@ -1441,7 +1441,7 @@ static struct omap_hwmod_class_sysconfig i2c_sysc = {
 	.rev_offs	= 0x00,
 	.sysc_offs	= 0x20,
 	.syss_offs	= 0x10,
-	.sysc_flags	= SYSC_HAS_SOFTRESET,
+	.sysc_flags	= (SYSC_HAS_SOFTRESET | SYSS_HAS_RESET_STATUS),
 	.sysc_fields	= &omap_hwmod_sysc_type1,
 };
 
@@ -1613,7 +1613,8 @@ static struct omap_hwmod_class_sysconfig omap242x_gpio_sysc = {
 	.sysc_offs	= 0x0010,
 	.syss_offs	= 0x0014,
 	.sysc_flags	= (SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE |
-			   SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
+			   SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
 	.sysc_fields    = &omap_hwmod_sysc_type1,
 };
@@ -1755,7 +1756,7 @@ static struct omap_hwmod_class_sysconfig omap2420_dma_sysc = {
 	.syss_offs	= 0x0028,
 	.sysc_flags	= (SYSC_HAS_SOFTRESET | SYSC_HAS_MIDLEMODE |
 			   SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_EMUFREE |
-			   SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
 	.sysc_fields	= &omap_hwmod_sysc_type1,
 };
diff --git a/arch/arm/mach-omap2/omap_hwmod_2430_data.c b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
index 490789a6bed..0fdf2cabfb1 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2430_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2430_data.c
@@ -1088,7 +1088,7 @@ static struct omap_hwmod_class_sysconfig omap2430_wd_timer_sysc = {
 	.sysc_offs	= 0x0010,
 	.syss_offs	= 0x0014,
 	.sysc_flags	= (SYSC_HAS_EMUFREE | SYSC_HAS_SOFTRESET |
-			   SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
 	.sysc_fields    = &omap_hwmod_sysc_type1,
 };
 
@@ -1129,7 +1129,7 @@ static struct omap_hwmod_class_sysconfig uart_sysc = {
 	.syss_offs	= 0x58,
 	.sysc_flags	= (SYSC_HAS_SIDLEMODE |
 			   SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
-			   SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
 	.sysc_fields    = &omap_hwmod_sysc_type1,
 };
@@ -1516,7 +1516,8 @@ static struct omap_hwmod_class_sysconfig i2c_sysc = {
 	.rev_offs	= 0x00,
 	.sysc_offs	= 0x20,
 	.syss_offs	= 0x10,
-	.sysc_flags	= (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
+	.sysc_flags	= (SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
+			   SYSS_HAS_RESET_STATUS),
 	.sysc_fields	= &omap_hwmod_sysc_type1,
 };
 
@@ -1714,7 +1715,8 @@ static struct omap_hwmod_class_sysconfig omap243x_gpio_sysc = {
 	.sysc_offs	= 0x0010,
 	.syss_offs	= 0x0014,
 	.sysc_flags	= (SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE |
-			   SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
+			   SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
 	.sysc_fields    = &omap_hwmod_sysc_type1,
 };
@@ -1886,7 +1888,7 @@ static struct omap_hwmod_class_sysconfig omap2430_dma_sysc = {
 	.syss_offs	= 0x0028,
 	.sysc_flags	= (SYSC_HAS_SOFTRESET | SYSC_HAS_MIDLEMODE |
 			   SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_EMUFREE |
-			   SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
 	.sysc_fields	= &omap_hwmod_sysc_type1,
 };
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index 2e275cbcd65..17b4fb8c347 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -1240,7 +1240,8 @@ static struct omap_hwmod_class_sysconfig omap3xxx_wd_timer_sysc = {
 	.syss_offs	= 0x0014,
 	.sysc_flags	= (SYSC_HAS_SIDLEMODE | SYSC_HAS_EMUFREE |
 			   SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
-			   SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY),
+			   SYSC_HAS_AUTOIDLE | SYSC_HAS_CLOCKACTIVITY |
+			   SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
 	.sysc_fields    = &omap_hwmod_sysc_type1,
 };
@@ -1252,7 +1253,7 @@ static struct omap_hwmod_class_sysconfig i2c_sysc = {
 	.syss_offs	= 0x10,
 	.sysc_flags	= (SYSC_HAS_CLOCKACTIVITY | SYSC_HAS_SIDLEMODE |
 			   SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
-			   SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
 	.sysc_fields    = &omap_hwmod_sysc_type1,
 };
@@ -1299,7 +1300,7 @@ static struct omap_hwmod_class_sysconfig uart_sysc = {
 	.syss_offs	= 0x58,
 	.sysc_flags	= (SYSC_HAS_SIDLEMODE |
 			   SYSC_HAS_ENAWAKEUP | SYSC_HAS_SOFTRESET |
-			   SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_AUTOIDLE | SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
 	.sysc_fields    = &omap_hwmod_sysc_type1,
 };
@@ -2105,7 +2106,8 @@ static struct omap_hwmod_class_sysconfig omap3xxx_gpio_sysc = {
 	.sysc_offs	= 0x0010,
 	.syss_offs	= 0x0014,
 	.sysc_flags	= (SYSC_HAS_ENAWAKEUP | SYSC_HAS_SIDLEMODE |
-			   SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_SOFTRESET | SYSC_HAS_AUTOIDLE |
+			   SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART),
 	.sysc_fields    = &omap_hwmod_sysc_type1,
 };
@@ -2359,7 +2361,8 @@ static struct omap_hwmod_class_sysconfig omap3xxx_dma_sysc = {
 	.syss_offs	= 0x0028,
 	.sysc_flags	= (SYSC_HAS_SIDLEMODE | SYSC_HAS_SOFTRESET |
 			   SYSC_HAS_MIDLEMODE | SYSC_HAS_CLOCKACTIVITY |
-			   SYSC_HAS_EMUFREE | SYSC_HAS_AUTOIDLE),
+			   SYSC_HAS_EMUFREE | SYSC_HAS_AUTOIDLE |
+			   SYSS_HAS_RESET_STATUS),
 	.idlemodes	= (SIDLE_FORCE | SIDLE_NO | SIDLE_SMART |
 			   MSTANDBY_FORCE | MSTANDBY_NO | MSTANDBY_SMART),
 	.sysc_fields	= &omap_hwmod_sysc_type1,
diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c b/arch/arm/mach-omap2/prm2xxx_3xxx.c
index ec0362574b5..051213fbc34 100644
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.c
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c
@@ -118,7 +118,8 @@ int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
 /**
  * omap2_prm_deassert_hardreset - deassert a submodule hardreset line and wait
  * @prm_mod: PRM submodule base (e.g. CORE_MOD)
- * @shift: register bit shift corresponding to the reset line to deassert
+ * @rst_shift: register bit shift corresponding to the reset line to deassert
+ * @st_shift: register bit shift for the status of the deasserted submodule
  *
  * Some IPs like dsp or iva contain processors that require an HW
  * reset line to be asserted / deasserted in order to fully enable the
@@ -129,27 +130,28 @@ int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
  * -EINVAL upon an argument error, -EEXIST if the submodule was already out
  * of reset, or -EBUSY if the submodule did not exit reset promptly.
  */
-int omap2_prm_deassert_hardreset(s16 prm_mod, u8 shift)
+int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift)
 {
-	u32 mask;
+	u32 rst, st;
 	int c;
 
 	if (!(cpu_is_omap24xx() || cpu_is_omap34xx()))
 		return -EINVAL;
 
-	mask = 1 << shift;
+	rst = 1 << rst_shift;
+	st = 1 << st_shift;
 
 	/* Check the current status to avoid de-asserting the line twice */
-	if (omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTCTRL, mask) == 0)
+	if (omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTCTRL, rst) == 0)
 		return -EEXIST;
 
 	/* Clear the reset status by writing 1 to the status bit */
-	omap2_prm_rmw_mod_reg_bits(0xffffffff, mask, prm_mod, OMAP2_RM_RSTST);
+	omap2_prm_rmw_mod_reg_bits(0xffffffff, st, prm_mod, OMAP2_RM_RSTST);
 	/* de-assert the reset control line */
-	omap2_prm_rmw_mod_reg_bits(mask, 0, prm_mod, OMAP2_RM_RSTCTRL);
+	omap2_prm_rmw_mod_reg_bits(rst, 0, prm_mod, OMAP2_RM_RSTCTRL);
 	/* wait the status to be set */
 	omap_test_timeout(omap2_prm_read_mod_bits_shift(prm_mod, OMAP2_RM_RSTST,
-						  mask),
+						  st),
 			  MAX_MODULE_HARDRESET_WAIT, c);
 
 	return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0;
diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.h b/arch/arm/mach-omap2/prm2xxx_3xxx.h
index 49654c8d18f..a1fc62a39db 100644
--- a/arch/arm/mach-omap2/prm2xxx_3xxx.h
+++ b/arch/arm/mach-omap2/prm2xxx_3xxx.h
@@ -282,7 +282,8 @@ static inline int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift)
 		"not suppose to be used on omap4\n");
 	return 0;
 }
-static inline int omap2_prm_deassert_hardreset(s16 prm_mod, u8 shift)
+static inline int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift,
+						u8 st_shift)
 {
 	WARN(1, "prm: omap2xxx/omap3xxx specific function and "
 		"not suppose to be used on omap4\n");
@@ -300,7 +301,7 @@ extern u32 omap2_prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask);
 /* These omap2_ PRM functions apply to both OMAP2 and 3 */
 extern int omap2_prm_is_hardreset_asserted(s16 prm_mod, u8 shift);
 extern int omap2_prm_assert_hardreset(s16 prm_mod, u8 shift);
-extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 shift);
+extern int omap2_prm_deassert_hardreset(s16 prm_mod, u8 rst_shift, u8 st_shift);
 
 #endif	/* CONFIG_ARCH_OMAP4 */
 #endif