diff mbox

[RFC,8/9] ARM: OMAP2+: AM335x: Migrate to OMAP4 PRM/CM APIs

Message ID 1372764498-32503-9-git-send-email-vaibhav.bedia@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Vaibhav Bedia July 2, 2013, 11:28 a.m. UTC
With all the minor issues addressed in previous patches
we can now safely migrate over AM335x to OMAP4 APIs and
get rid of the AM335x version of the same.

Signed-off-by: Vaibhav Bedia <vaibhav.bedia@ti.com>
---
 arch/arm/mach-omap2/cminst44xx.c |   7 ++
 arch/arm/mach-omap2/io.c         |   3 +
 arch/arm/mach-omap2/omap_hwmod.c | 177 ++-------------------------------------
 arch/arm/mach-omap2/prm44xx.c    |  15 ++++
 4 files changed, 31 insertions(+), 171 deletions(-)
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c
index 4ec9712..2937c54 100644
--- a/arch/arm/mach-omap2/cminst44xx.c
+++ b/arch/arm/mach-omap2/cminst44xx.c
@@ -491,3 +491,10 @@  struct clkdm_ops omap4_clkdm_operations = {
 	.clkdm_clk_enable	= omap4_clkdm_clk_enable,
 	.clkdm_clk_disable	= omap4_clkdm_clk_disable,
 };
+
+struct clkdm_ops am33xx_clkdm_operations = {
+	.clkdm_sleep		= omap4_clkdm_sleep,
+	.clkdm_wakeup		= omap4_clkdm_wakeup,
+	.clkdm_clk_enable	= omap4_clkdm_clk_enable,
+	.clkdm_clk_disable	= omap4_clkdm_clk_disable,
+};
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 09abf99..dbfabab 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -575,8 +575,11 @@  void __init am33xx_init_early(void)
 				  NULL);
 	omap2_set_globals_prm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE));
 	omap2_set_globals_cm(AM33XX_L4_WK_IO_ADDRESS(AM33XX_PRCM_BASE), NULL);
+	omap_prm_base_init();
+	omap_cm_base_init();
 	omap3xxx_check_revision();
 	ti81xx_check_features();
+	omap44xx_prm_init();
 	am33xx_voltagedomains_init();
 	am33xx_powerdomains_init();
 	am33xx_clockdomains_init();
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 0f756b4..3385bab 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -953,26 +953,6 @@  static void _omap4_enable_module(struct omap_hwmod *oh)
 }
 
 /**
- * _am33xx_enable_module - enable CLKCTRL modulemode on AM33XX
- * @oh: struct omap_hwmod *
- *
- * Enables the PRCM module mode related to the hwmod @oh.
- * No return value.
- */
-static void _am33xx_enable_module(struct omap_hwmod *oh)
-{
-	if (!oh->clkdm || !oh->prcm.omap4.modulemode)
-		return;
-
-	pr_debug("omap_hwmod: %s: %s: %d\n",
-		 oh->name, __func__, oh->prcm.omap4.modulemode);
-
-	am33xx_cm_module_enable(oh->prcm.omap4.modulemode, oh->clkdm->cm_inst,
-				oh->clkdm->clkdm_offs,
-				oh->prcm.omap4.clkctrl_offs);
-}
-
-/**
  * _omap4_wait_target_disable - wait for a module to be disabled on OMAP4
  * @oh: struct omap_hwmod *
  *
@@ -999,31 +979,6 @@  static int _omap4_wait_target_disable(struct omap_hwmod *oh)
 }
 
 /**
- * _am33xx_wait_target_disable - wait for a module to be disabled on AM33XX
- * @oh: struct omap_hwmod *
- *
- * Wait for a module @oh to enter slave idle.  Returns 0 if the module
- * does not have an IDLEST bit or if the module successfully enters
- * slave idle; otherwise, pass along the return value of the
- * appropriate *_cm*_wait_module_idle() function.
- */
-static int _am33xx_wait_target_disable(struct omap_hwmod *oh)
-{
-	if (!oh)
-		return -EINVAL;
-
-	if (oh->_int_flags & _HWMOD_NO_MPU_PORT)
-		return 0;
-
-	if (oh->flags & HWMOD_NO_IDLEST)
-		return 0;
-
-	return am33xx_cm_wait_module_idle(oh->clkdm->cm_inst,
-					     oh->clkdm->clkdm_offs,
-					     oh->prcm.omap4.clkctrl_offs);
-}
-
-/**
  * _count_mpu_irqs - count the number of MPU IRQ lines associated with @oh
  * @oh: struct omap_hwmod *oh
  *
@@ -1837,36 +1792,6 @@  static int _omap4_disable_module(struct omap_hwmod *oh)
 }
 
 /**
- * _am33xx_disable_module - enable CLKCTRL modulemode on AM33XX
- * @oh: struct omap_hwmod *
- *
- * Disable the PRCM module mode related to the hwmod @oh.
- * Return EINVAL if the modulemode is not supported and 0 in case of success.
- */
-static int _am33xx_disable_module(struct omap_hwmod *oh)
-{
-	int v;
-
-	if (!oh->clkdm || !oh->prcm.omap4.modulemode)
-		return -EINVAL;
-
-	pr_debug("omap_hwmod: %s: %s\n", oh->name, __func__);
-
-	if (_are_any_hardreset_lines_asserted(oh))
-		return 0;
-
-	am33xx_cm_module_disable(oh->clkdm->cm_inst, oh->clkdm->clkdm_offs,
-				 oh->prcm.omap4.clkctrl_offs);
-
-	v = _am33xx_wait_target_disable(oh);
-	if (v)
-		pr_warn("omap_hwmod: %s: _wait_target_disable failed\n",
-			oh->name);
-
-	return 0;
-}
-
-/**
  * _ocp_softreset - reset an omap_hwmod via the OCP_SYSCONFIG bit
  * @oh: struct omap_hwmod *
  *
@@ -2887,33 +2812,6 @@  static int _omap4_wait_target_ready(struct omap_hwmod *oh)
 }
 
 /**
- * _am33xx_wait_target_ready - wait for a module to leave slave idle
- * @oh: struct omap_hwmod *
- *
- * Wait for a module @oh to leave slave idle.  Returns 0 if the module
- * does not have an IDLEST bit or if the module successfully leaves
- * slave idle; otherwise, pass along the return value of the
- * appropriate *_cm*_wait_module_ready() function.
- */
-static int _am33xx_wait_target_ready(struct omap_hwmod *oh)
-{
-	if (!oh || !oh->clkdm)
-		return -EINVAL;
-
-	if (oh->flags & HWMOD_NO_IDLEST)
-		return 0;
-
-	if (!_find_mpu_rt_port(oh))
-		return 0;
-
-	/* XXX check module SIDLEMODE, hardreset status */
-
-	return am33xx_cm_wait_module_ready(oh->clkdm->cm_inst,
-					      oh->clkdm->clkdm_offs,
-					      oh->prcm.omap4.clkctrl_offs);
-}
-
-/**
  * _omap2_assert_hardreset - call OMAP2 PRM hardreset fn with hwmod args
  * @oh: struct omap_hwmod * to assert hardreset
  * @ohri: hardreset line data
@@ -3043,69 +2941,6 @@  static int _omap4_is_hardreset_asserted(struct omap_hwmod *oh,
 				oh->prcm.omap4.rstctrl_offs);
 }
 
-/**
- * _am33xx_assert_hardreset - call AM33XX PRM hardreset fn with hwmod args
- * @oh: struct omap_hwmod * to assert hardreset
- * @ohri: hardreset line data
- *
- * Call am33xx_prminst_assert_hardreset() with parameters extracted
- * from the hwmod @oh and the hardreset line data @ohri.  Only
- * intended for use as an soc_ops function pointer.  Passes along the
- * return value from am33xx_prminst_assert_hardreset().  XXX This
- * function is scheduled for removal when the PRM code is moved into
- * drivers/.
- */
-static int _am33xx_assert_hardreset(struct omap_hwmod *oh,
-				   struct omap_hwmod_rst_info *ohri)
-
-{
-	return am33xx_prm_assert_hardreset(ohri->rst_shift,
-				oh->clkdm->pwrdm.ptr->prcm_offs,
-				oh->prcm.omap4.rstctrl_offs);
-}
-
-/**
- * _am33xx_deassert_hardreset - call AM33XX PRM hardreset fn with hwmod args
- * @oh: struct omap_hwmod * to deassert hardreset
- * @ohri: hardreset line data
- *
- * Call am33xx_prminst_deassert_hardreset() with parameters extracted
- * from the hwmod @oh and the hardreset line data @ohri.  Only
- * intended for use as an soc_ops function pointer.  Passes along the
- * return value from am33xx_prminst_deassert_hardreset().  XXX This
- * function is scheduled for removal when the PRM code is moved into
- * drivers/.
- */
-static int _am33xx_deassert_hardreset(struct omap_hwmod *oh,
-				     struct omap_hwmod_rst_info *ohri)
-{
-	return am33xx_prm_deassert_hardreset(ohri->rst_shift,
-				ohri->st_shift,
-				oh->clkdm->pwrdm.ptr->prcm_offs,
-				oh->prcm.omap4.rstctrl_offs,
-				oh->prcm.omap4.rstst_offs);
-}
-
-/**
- * _am33xx_is_hardreset_asserted - call AM33XX PRM hardreset fn with hwmod args
- * @oh: struct omap_hwmod * to test hardreset
- * @ohri: hardreset line data
- *
- * Call am33xx_prminst_is_hardreset_asserted() with parameters
- * extracted from the hwmod @oh and the hardreset line data @ohri.
- * Only intended for use as an soc_ops function pointer.  Passes along
- * the return value from am33xx_prminst_is_hardreset_asserted().  XXX
- * This function is scheduled for removal when the PRM code is moved
- * into drivers/.
- */
-static int _am33xx_is_hardreset_asserted(struct omap_hwmod *oh,
-					struct omap_hwmod_rst_info *ohri)
-{
-	return am33xx_prm_is_hardreset_asserted(ohri->rst_shift,
-				oh->clkdm->pwrdm.ptr->prcm_offs,
-				oh->prcm.omap4.rstctrl_offs);
-}
-
 /* Public functions */
 
 u32 omap_hwmod_read(struct omap_hwmod *oh, u16 reg_offs)
@@ -4123,12 +3958,12 @@  void __init omap_hwmod_init(void)
 		soc_ops.update_context_lost = _omap4_update_context_lost;
 		soc_ops.get_context_lost = _omap4_get_context_lost;
 	} else if (soc_is_am33xx()) {
-		soc_ops.enable_module = _am33xx_enable_module;
-		soc_ops.disable_module = _am33xx_disable_module;
-		soc_ops.wait_target_ready = _am33xx_wait_target_ready;
-		soc_ops.assert_hardreset = _am33xx_assert_hardreset;
-		soc_ops.deassert_hardreset = _am33xx_deassert_hardreset;
-		soc_ops.is_hardreset_asserted = _am33xx_is_hardreset_asserted;
+		soc_ops.enable_module = _omap4_enable_module;
+		soc_ops.disable_module = _omap4_disable_module;
+		soc_ops.wait_target_ready = _omap4_wait_target_ready;
+		soc_ops.assert_hardreset = _omap4_assert_hardreset;
+		soc_ops.deassert_hardreset = _omap4_deassert_hardreset;
+		soc_ops.is_hardreset_asserted = _omap4_is_hardreset_asserted;
 		soc_ops.init_clkdm = _init_clkdm;
 	} else {
 		WARN(1, "omap_hwmod: unknown SoC type\n");
diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c
index 11f56a7..9c1d1b5 100644
--- a/arch/arm/mach-omap2/prm44xx.c
+++ b/arch/arm/mach-omap2/prm44xx.c
@@ -641,6 +641,21 @@  struct pwrdm_ops omap4_pwrdm_operations = {
 	.pwrdm_wait_transition	= omap4_pwrdm_wait_transition,
 };
 
+struct pwrdm_ops am33xx_pwrdm_operations = {
+	.pwrdm_set_next_pwrst	= omap4_pwrdm_set_next_pwrst,
+	.pwrdm_read_next_pwrst	= omap4_pwrdm_read_next_pwrst,
+	.pwrdm_read_pwrst	= omap4_pwrdm_read_pwrst,
+	.pwrdm_set_lowpwrstchange	= omap4_pwrdm_set_lowpwrstchange,
+	.pwrdm_set_logic_retst	= omap4_pwrdm_set_logic_retst,
+	.pwrdm_read_logic_pwrst	= omap4_pwrdm_read_logic_pwrst,
+	.pwrdm_read_logic_retst	= omap4_pwrdm_read_logic_retst,
+	.pwrdm_read_mem_pwrst	= omap4_pwrdm_read_mem_pwrst,
+	.pwrdm_read_mem_retst	= omap4_pwrdm_read_mem_retst,
+	.pwrdm_set_mem_onst	= omap4_pwrdm_set_mem_onst,
+	.pwrdm_set_mem_retst	= omap4_pwrdm_set_mem_retst,
+	.pwrdm_wait_transition	= omap4_pwrdm_wait_transition,
+};
+
 /*
  * XXX document
  */