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Diffstat (limited to 'arch/arm/mach-omap2/omap_hwmod.c')
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c396
1 files changed, 266 insertions, 130 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 4653efb87a2..6c074f37cdd 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -72,7 +72,7 @@
* | (../mach-omap2/omap_hwmod*) |
* +-------------------------------+
* | OMAP clock/PRCM/register fns |
- * | (__raw_{read,write}l, clk*) |
+ * | ({read,write}l_relaxed, clk*) |
* +-------------------------------+
*
* Device drivers should not contain any OMAP-specific code or data in
@@ -138,6 +138,11 @@
#include <linux/spinlock.h>
#include <linux/slab.h>
#include <linux/bootmem.h>
+#include <linux/cpu.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+
+#include <asm/system_misc.h>
#include "clock.h"
#include "omap_hwmod.h"
@@ -394,7 +399,7 @@ static int _set_clockactivity(struct omap_hwmod *oh, u8 clockact, u32 *v)
}
/**
- * _set_softreset: set OCP_SYSCONFIG.CLOCKACTIVITY bits in @v
+ * _set_softreset: set OCP_SYSCONFIG.SOFTRESET bit in @v
* @oh: struct omap_hwmod *
* @v: pointer to register contents to modify
*
@@ -422,6 +427,36 @@ static int _set_softreset(struct omap_hwmod *oh, u32 *v)
}
/**
+ * _clear_softreset: clear OCP_SYSCONFIG.SOFTRESET bit in @v
+ * @oh: struct omap_hwmod *
+ * @v: pointer to register contents to modify
+ *
+ * Clear the SOFTRESET bit in @v for hwmod @oh. Returns -EINVAL upon
+ * error or 0 upon success.
+ */
+static int _clear_softreset(struct omap_hwmod *oh, u32 *v)
+{
+ u32 softrst_mask;
+
+ if (!oh->class->sysc ||
+ !(oh->class->sysc->sysc_flags & SYSC_HAS_SOFTRESET))
+ return -EINVAL;
+
+ if (!oh->class->sysc->sysc_fields) {
+ WARN(1,
+ "omap_hwmod: %s: sysc_fields absent for sysconfig class\n",
+ oh->name);
+ return -EINVAL;
+ }
+
+ softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift);
+
+ *v &= ~softrst_mask;
+
+ return 0;
+}
+
+/**
* _wait_softreset_complete - wait for an OCP softreset to complete
* @oh: struct omap_hwmod * to wait on
*
@@ -608,8 +643,6 @@ static int _enable_wakeup(struct omap_hwmod *oh, u32 *v)
/* XXX test pwrdm_get_wken for this hwmod's subsystem */
- oh->_int_flags |= _HWMOD_WAKEUP_ENABLED;
-
return 0;
}
@@ -643,8 +676,6 @@ static int _disable_wakeup(struct omap_hwmod *oh, u32 *v)
/* XXX test pwrdm_get_wken for this hwmod's subsystem */
- oh->_int_flags &= ~_HWMOD_WAKEUP_ENABLED;
-
return 0;
}
@@ -655,6 +686,8 @@ static struct clockdomain *_get_clkdm(struct omap_hwmod *oh)
if (oh->clkdm) {
return oh->clkdm;
} else if (oh->_clk) {
+ if (__clk_get_flags(oh->_clk) & CLK_IS_BASIC)
+ return NULL;
clk = to_clk_hw_omap(__clk_get_hw(oh->_clk));
return clk->clkdm;
}
@@ -784,6 +817,7 @@ static int _init_interface_clks(struct omap_hwmod *oh)
pr_warning("omap_hwmod: %s: cannot clk_get interface_clk %s\n",
oh->name, os->clk);
ret = -EINVAL;
+ continue;
}
os->_clk = c;
/*
@@ -820,6 +854,7 @@ static int _init_opt_clks(struct omap_hwmod *oh)
pr_warning("omap_hwmod: %s: cannot clk_get opt_clk %s\n",
oh->name, oc->clk);
ret = -EINVAL;
+ continue;
}
oc->_clk = c;
/*
@@ -1355,18 +1390,34 @@ static void _enable_sysc(struct omap_hwmod *oh)
clkdm = _get_clkdm(oh);
if (sf & SYSC_HAS_SIDLEMODE) {
+ if (oh->flags & HWMOD_SWSUP_SIDLE ||
+ oh->flags & HWMOD_SWSUP_SIDLE_ACT) {
+ idlemode = HWMOD_IDLEMODE_NO;
+ } else {
+ if (sf & SYSC_HAS_ENAWAKEUP)
+ _enable_wakeup(oh, &v);
+ if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
+ idlemode = HWMOD_IDLEMODE_SMART_WKUP;
+ else
+ idlemode = HWMOD_IDLEMODE_SMART;
+ }
+
+ /*
+ * This is special handling for some IPs like
+ * 32k sync timer. Force them to idle!
+ */
clkdm_act = (clkdm && clkdm->flags & CLKDM_ACTIVE_WITH_MPU);
if (clkdm_act && !(oh->class->sysc->idlemodes &
(SIDLE_SMART | SIDLE_SMART_WKUP)))
idlemode = HWMOD_IDLEMODE_FORCE;
- else
- idlemode = (oh->flags & HWMOD_SWSUP_SIDLE) ?
- HWMOD_IDLEMODE_NO : HWMOD_IDLEMODE_SMART;
+
_set_slave_idlemode(oh, idlemode, &v);
}
if (sf & SYSC_HAS_MIDLEMODE) {
- if (oh->flags & HWMOD_SWSUP_MSTANDBY) {
+ if (oh->flags & HWMOD_FORCE_MSTANDBY) {
+ idlemode = HWMOD_IDLEMODE_FORCE;
+ } else if (oh->flags & HWMOD_SWSUP_MSTANDBY) {
idlemode = HWMOD_IDLEMODE_NO;
} else {
if (sf & SYSC_HAS_ENAWAKEUP)
@@ -1388,11 +1439,9 @@ static void _enable_sysc(struct omap_hwmod *oh)
(sf & SYSC_HAS_CLOCKACTIVITY))
_set_clockactivity(oh, oh->class->sysc->clockact, &v);
- /* If slave is in SMARTIDLE, also enable wakeup */
- if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE))
- _enable_wakeup(oh, &v);
-
- _write_sysconfig(v, oh);
+ /* If the cached value is the same as the new value, skip the write */
+ if (oh->_sysc_cache != v)
+ _write_sysconfig(v, oh);
/*
* Set the autoidle bit only after setting the smartidle bit
@@ -1427,18 +1476,22 @@ static void _idle_sysc(struct omap_hwmod *oh)
sf = oh->class->sysc->sysc_flags;
if (sf & SYSC_HAS_SIDLEMODE) {
- /* XXX What about HWMOD_IDLEMODE_SMART_WKUP? */
- if (oh->flags & HWMOD_SWSUP_SIDLE ||
- !(oh->class->sysc->idlemodes &
- (SIDLE_SMART | SIDLE_SMART_WKUP)))
+ if (oh->flags & HWMOD_SWSUP_SIDLE) {
idlemode = HWMOD_IDLEMODE_FORCE;
- else
- idlemode = HWMOD_IDLEMODE_SMART;
+ } else {
+ if (sf & SYSC_HAS_ENAWAKEUP)
+ _enable_wakeup(oh, &v);
+ if (oh->class->sysc->idlemodes & SIDLE_SMART_WKUP)
+ idlemode = HWMOD_IDLEMODE_SMART_WKUP;
+ else
+ idlemode = HWMOD_IDLEMODE_SMART;
+ }
_set_slave_idlemode(oh, idlemode, &v);
}
if (sf & SYSC_HAS_MIDLEMODE) {
- if (oh->flags & HWMOD_SWSUP_MSTANDBY) {
+ if ((oh->flags & HWMOD_SWSUP_MSTANDBY) ||
+ (oh->flags & HWMOD_FORCE_MSTANDBY)) {
idlemode = HWMOD_IDLEMODE_FORCE;
} else {
if (sf & SYSC_HAS_ENAWAKEUP)
@@ -1451,10 +1504,6 @@ static void _idle_sysc(struct omap_hwmod *oh)
_set_master_standbymode(oh, idlemode, &v);
}
- /* If slave is in SMARTIDLE, also enable wakeup */
- if ((sf & SYSC_HAS_SIDLEMODE) && !(oh->flags & HWMOD_SWSUP_SIDLE))
- _enable_wakeup(oh, &v);
-
_write_sysconfig(v, oh);
}
@@ -1529,7 +1578,7 @@ static int _init_clkdm(struct omap_hwmod *oh)
if (!oh->clkdm) {
pr_warning("omap_hwmod: %s: could not associate to clkdm %s\n",
oh->name, oh->clkdm_name);
- return -EINVAL;
+ return 0;
}
pr_debug("omap_hwmod: %s: associated to clkdm %s\n",
@@ -1661,7 +1710,7 @@ static int _deassert_hardreset(struct omap_hwmod *oh, const char *name)
return -ENOSYS;
ret = _lookup_hardreset(oh, name, &ohri);
- if (IS_ERR_VALUE(ret))
+ if (ret < 0)
return ret;
if (oh->clkdm) {
@@ -1896,25 +1945,33 @@ static int _ocp_softreset(struct omap_hwmod *oh)
ret = _set_softreset(oh, &v);
if (ret)
goto dis_opt_clks;
+
_write_sysconfig(v, oh);
if (oh->class->sysc->srst_udelay)
udelay(oh->class->sysc->srst_udelay);
c = _wait_softreset_complete(oh);
- if (c == MAX_MODULE_SOFTRESET_WAIT)
+ if (c == MAX_MODULE_SOFTRESET_WAIT) {
pr_warning("omap_hwmod: %s: softreset failed (waited %d usec)\n",
oh->name, MAX_MODULE_SOFTRESET_WAIT);
- else
+ ret = -ETIMEDOUT;
+ goto dis_opt_clks;
+ } else {
pr_debug("omap_hwmod: %s: softreset in %d usec\n", oh->name, c);
+ }
+
+ ret = _clear_softreset(oh, &v);
+ if (ret)
+ goto dis_opt_clks;
+
+ _write_sysconfig(v, oh);
/*
* XXX add _HWMOD_STATE_WEDGED for modules that don't come back from
* _wait_target_ready() or _reset()
*/
- ret = (c == MAX_MODULE_SOFTRESET_WAIT) ? -ETIMEDOUT : 0;
-
dis_opt_clks:
if (oh->flags & HWMOD_CONTROL_OPT_CLKS_IN_RESET)
_disable_optional_clocks(oh);
@@ -2053,6 +2110,23 @@ static int _omap4_get_context_lost(struct omap_hwmod *oh)
}
/**
+ * _enable_preprogram - Pre-program an IP block during the _enable() process
+ * @oh: struct omap_hwmod *
+ *
+ * Some IP blocks (such as AESS) require some additional programming
+ * after enable before they can enter idle. If a function pointer to
+ * do so is present in the hwmod data, then call it and pass along the
+ * return value; otherwise, return 0.
+ */
+static int _enable_preprogram(struct omap_hwmod *oh)
+{
+ if (!oh->class->enable_preprogram)
+ return 0;
+
+ return oh->class->enable_preprogram(oh);
+}
+
+/**
* _enable - enable an omap_hwmod
* @oh: struct omap_hwmod *
*
@@ -2134,6 +2208,8 @@ static int _enable(struct omap_hwmod *oh)
_enable_clocks(oh);
if (soc_ops.enable_module)
soc_ops.enable_module(oh);
+ if (oh->flags & HWMOD_BLOCK_WFI)
+ cpu_idle_poll_ctrl(true);
if (soc_ops.update_context_lost)
soc_ops.update_context_lost(oh);
@@ -2156,6 +2232,7 @@ static int _enable(struct omap_hwmod *oh)
_update_sysc_cache(oh);
_enable_sysc(oh);
}
+ r = _enable_preprogram(oh);
} else {
if (soc_ops.disable_module)
soc_ops.disable_module(oh);
@@ -2195,6 +2272,8 @@ static int _idle(struct omap_hwmod *oh)
_idle_sysc(oh);
_del_initiator_dep(oh, mpu_oh);
+ if (oh->flags & HWMOD_BLOCK_WFI)
+ cpu_idle_poll_ctrl(false);
if (soc_ops.disable_module)
soc_ops.disable_module(oh);
@@ -2220,42 +2299,6 @@ static int _idle(struct omap_hwmod *oh)
}
/**
- * omap_hwmod_set_ocp_autoidle - set the hwmod's OCP autoidle bit
- * @oh: struct omap_hwmod *
- * @autoidle: desired AUTOIDLE bitfield value (0 or 1)
- *
- * Sets the IP block's OCP autoidle bit in hardware, and updates our
- * local copy. Intended to be used by drivers that require
- * direct manipulation of the AUTOIDLE bits.
- * Returns -EINVAL if @oh is null or is not in the ENABLED state, or passes
- * along the return value from _set_module_autoidle().
- *
- * Any users of this function should be scrutinized carefully.
- */
-int omap_hwmod_set_ocp_autoidle(struct omap_hwmod *oh, u8 autoidle)
-{
- u32 v;
- int retval = 0;
- unsigned long flags;
-
- if (!oh || oh->_state != _HWMOD_STATE_ENABLED)
- return -EINVAL;
-
- spin_lock_irqsave(&oh->_lock, flags);
-
- v = oh->_sysc_cache;
-
- retval = _set_module_autoidle(oh, autoidle, &v);
-
- if (!retval)
- _write_sysconfig(v, oh);
-
- spin_unlock_irqrestore(&oh->_lock, flags);
-
- return retval;
-}
-
-/**
* _shutdown - shutdown an omap_hwmod
* @oh: struct omap_hwmod *
*
@@ -2303,6 +2346,8 @@ static int _shutdown(struct omap_hwmod *oh)
if (oh->_state == _HWMOD_STATE_ENABLED) {
_del_initiator_dep(oh, mpu_oh);
/* XXX what about the other system initiators here? dma, dsp */
+ if (oh->flags & HWMOD_BLOCK_WFI)
+ cpu_idle_poll_ctrl(false);
if (soc_ops.disable_module)
soc_ops.disable_module(oh);
_disable_clocks(oh);
@@ -2323,45 +2368,131 @@ static int _shutdown(struct omap_hwmod *oh)
return 0;
}
+static int of_dev_find_hwmod(struct device_node *np,
+ struct omap_hwmod *oh)
+{
+ int count, i, res;
+ const char *p;
+
+ count = of_property_count_strings(np, "ti,hwmods");
+ if (count < 1)
+ return -ENODEV;
+
+ for (i = 0; i < count; i++) {
+ res = of_property_read_string_index(np, "ti,hwmods",
+ i, &p);
+ if (res)
+ continue;
+ if (!strcmp(p, oh->name)) {
+ pr_debug("omap_hwmod: dt %s[%i] uses hwmod %s\n",
+ np->name, i, oh->name);
+ return i;
+ }
+ }
+
+ return -ENODEV;
+}
+
+/**
+ * of_dev_hwmod_lookup - look up needed hwmod from dt blob
+ * @np: struct device_node *
+ * @oh: struct omap_hwmod *
+ * @index: index of the entry found
+ * @found: struct device_node * found or NULL
+ *
+ * Parse the dt blob and find out needed hwmod. Recursive function is
+ * implemented to take care hierarchical dt blob parsing.
+ * Return: Returns 0 on success, -ENODEV when not found.
+ */
+static int of_dev_hwmod_lookup(struct device_node *np,
+ struct omap_hwmod *oh,
+ int *index,
+ struct device_node **found)
+{
+ struct device_node *np0 = NULL;
+ int res;
+
+ res = of_dev_find_hwmod(np, oh);
+ if (res >= 0) {
+ *found = np;
+ *index = res;
+ return 0;
+ }
+
+ for_each_child_of_node(np, np0) {
+ struct device_node *fc;
+ int i;
+
+ res = of_dev_hwmod_lookup(np0, oh, &i, &fc);
+ if (res == 0) {
+ *found = fc;
+ *index = i;
+ return 0;
+ }
+ }
+
+ *found = NULL;
+ *index = 0;
+
+ return -ENODEV;
+}
+
/**
* _init_mpu_rt_base - populate the virtual address for a hwmod
* @oh: struct omap_hwmod * to locate the virtual address
+ * @data: (unused, caller should pass NULL)
+ * @index: index of the reg entry iospace in device tree
+ * @np: struct device_node * of the IP block's device node in the DT data
*
* Cache the virtual address used by the MPU to access this IP block's
* registers. This address is needed early so the OCP registers that
* are part of the device's address space can be ioremapped properly.
- * No return value.
+ *
+ * Returns 0 on success, -EINVAL if an invalid hwmod is passed, and
+ * -ENXIO on absent or invalid register target address space.
*/
-static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data)
+static int __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data,
+ int index, struct device_node *np)
{
struct omap_hwmod_addr_space *mem;
- void __iomem *va_start;
+ void __iomem *va_start = NULL;
if (!oh)
- return;
+ return -EINVAL;
_save_mpu_port_index(oh);
if (oh->_int_flags & _HWMOD_NO_MPU_PORT)
- return;
+ return -ENXIO;
mem = _find_mpu_rt_addr_space(oh);
if (!mem) {
pr_debug("omap_hwmod: %s: no MPU register target found\n",
oh->name);
- return;
+
+ /* Extract the IO space from device tree blob */
+ if (!np)
+ return -ENXIO;
+
+ va_start = of_iomap(np, index + oh->mpu_rt_idx);
+ } else {
+ va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start);
}
- va_start = ioremap(mem->pa_start, mem->pa_end - mem->pa_start);
if (!va_start) {
- pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name);
- return;
+ if (mem)
+ pr_err("omap_hwmod: %s: Could not ioremap\n", oh->name);
+ else
+ pr_err("omap_hwmod: %s: Missing dt reg%i for %s\n",
+ oh->name, index, np->full_name);
+ return -ENXIO;
}
pr_debug("omap_hwmod: %s: MPU register target at va %p\n",
oh->name, va_start);
oh->_mpu_rt_va = va_start;
+ return 0;
}
/**
@@ -2374,24 +2505,54 @@ static void __init _init_mpu_rt_base(struct omap_hwmod *oh, void *data)
* registered at this point. This is the first of two phases for
* hwmod initialization. Code called here does not touch any hardware
* registers, it simply prepares internal data structures. Returns 0
- * upon success or if the hwmod isn't registered, or -EINVAL upon
- * failure.
+ * upon success or if the hwmod isn't registered or if the hwmod's
+ * address space is not defined, or -EINVAL upon failure.
*/
static int __init _init(struct omap_hwmod *oh, void *data)
{
- int r;
+ int r, index;
+ struct device_node *np = NULL;
if (oh->_state != _HWMOD_STATE_REGISTERED)
return 0;
- _init_mpu_rt_base(oh, NULL);
+ if (of_have_populated_dt()) {
+ struct device_node *bus;
+
+ bus = of_find_node_by_name(NULL, "ocp");
+ if (!bus)
+ return -ENODEV;
+
+ r = of_dev_hwmod_lookup(bus, oh, &index, &np);
+ if (r)
+ pr_debug("omap_hwmod: %s missing dt data\n", oh->name);
+ else if (np && index)
+ pr_warn("omap_hwmod: %s using broken dt data from %s\n",
+ oh->name, np->name);
+ }
+
+ if (oh->class->sysc) {
+ r = _init_mpu_rt_base(oh, NULL, index, np);
+ if (r < 0) {
+ WARN(1, "omap_hwmod: %s: doesn't have mpu register target base\n",
+ oh->name);
+ return 0;
+ }
+ }
r = _init_clocks(oh, NULL);
- if (IS_ERR_VALUE(r)) {
+ if (r < 0) {
WARN(1, "omap_hwmod: %s: couldn't init clocks\n", oh->name);
return -EINVAL;
}
+ if (np) {
+ if (of_find_property(np, "ti,no-reset-on-init", NULL))
+ oh->flags |= HWMOD_INIT_NO_RESET;
+ if (of_find_property(np, "ti,no-idle-on-init", NULL))
+ oh->flags |= HWMOD_INIT_NO_IDLE;
+ }
+
oh->_state = _HWMOD_STATE_INITIALIZED;
return 0;
@@ -2635,9 +2796,7 @@ static int __init _alloc_links(struct omap_hwmod_link **ml,
sz = sizeof(struct omap_hwmod_link) * LINKS_PER_OCP_IF;
*sl = NULL;
- *ml = alloc_bootmem(sz);
-
- memset(*ml, 0, sz);
+ *ml = memblock_virt_alloc(sz, 0);
*sl = (void *)(*ml) + sizeof(struct omap_hwmod_link);
@@ -2756,9 +2915,7 @@ static int __init _alloc_linkspace(struct omap_hwmod_ocp_if **ois)
pr_debug("omap_hwmod: %s: allocating %d byte linkspace (%d links)\n",
__func__, sz, max_ls);
- linkspace = alloc_bootmem(sz);
-
- memset(linkspace, 0, sz);
+ linkspace = memblock_virt_alloc(sz, 0);
return 0;
}
@@ -3041,11 +3198,8 @@ static int _am33xx_assert_hardreset(struct omap_hwmod *oh,
static int _am33xx_deassert_hardreset(struct omap_hwmod *oh,
struct omap_hwmod_rst_info *ohri)
{
- if (ohri->st_shift)
- pr_err("omap_hwmod: %s: %s: hwmod data error: OMAP4 does not support st_shift\n",
- oh->name, ohri->name);
-
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);
@@ -3076,17 +3230,17 @@ static int _am33xx_is_hardreset_asserted(struct omap_hwmod *oh,
u32 omap_hwmod_read(struct omap_hwmod *oh, u16 reg_offs)
{
if (oh->flags & HWMOD_16BIT_REG)
- return __raw_readw(oh->_mpu_rt_va + reg_offs);
+ return readw_relaxed(oh->_mpu_rt_va + reg_offs);
else
- return __raw_readl(oh->_mpu_rt_va + reg_offs);
+ return readl_relaxed(oh->_mpu_rt_va + reg_offs);
}
void omap_hwmod_write(u32 v, struct omap_hwmod *oh, u16 reg_offs)
{
if (oh->flags & HWMOD_16BIT_REG)
- __raw_writew(v, oh->_mpu_rt_va + reg_offs);
+ writew_relaxed(v, oh->_mpu_rt_va + reg_offs);
else
- __raw_writel(v, oh->_mpu_rt_va + reg_offs);
+ writel_relaxed(v, oh->_mpu_rt_va + reg_offs);
}
/**
@@ -3112,43 +3266,16 @@ int omap_hwmod_softreset(struct omap_hwmod *oh)
goto error;
_write_sysconfig(v, oh);
+ ret = _clear_softreset(oh, &v);
+ if (ret)
+ goto error;
+ _write_sysconfig(v, oh);
+
error:
return ret;
}
/**
- * omap_hwmod_set_slave_idlemode - set the hwmod's OCP slave idlemode
- * @oh: struct omap_hwmod *
- * @idlemode: SIDLEMODE field bits (shifted to bit 0)
- *
- * Sets the IP block's OCP slave idlemode in hardware, and updates our
- * local copy. Intended to be used by drivers that have some erratum
- * that requires direct manipulation of the SIDLEMODE bits. Returns
- * -EINVAL if @oh is null, or passes along the return value from
- * _set_slave_idlemode().
- *
- * XXX Does this function have any current users? If not, we should
- * remove it; it is better to let the rest of the hwmod code handle this.
- * Any users of this function should be scrutinized carefully.
- */
-int omap_hwmod_set_slave_idlemode(struct omap_hwmod *oh, u8 idlemode)
-{
- u32 v;
- int retval = 0;
-
- if (!oh)
- return -EINVAL;
-
- v = oh->_sysc_cache;
-
- retval = _set_slave_idlemode(oh, idlemode, &v);
- if (!retval)
- _write_sysconfig(v, oh);
-
- return retval;
-}
-
-/**
* omap_hwmod_lookup - look up a registered omap_hwmod by name
* @name: name of the omap_hwmod to look up
*
@@ -3303,7 +3430,7 @@ static int __init omap_hwmod_setup_all(void)
return 0;
}
-core_initcall(omap_hwmod_setup_all);
+omap_core_initcall(omap_hwmod_setup_all);
/**
* omap_hwmod_enable - enable an omap_hwmod
@@ -4109,7 +4236,8 @@ void __init omap_hwmod_init(void)
soc_ops.assert_hardreset = _omap2_assert_hardreset;
soc_ops.deassert_hardreset = _omap2_deassert_hardreset;
soc_ops.is_hardreset_asserted = _omap2_is_hardreset_asserted;
- } else if (cpu_is_omap44xx() || soc_is_omap54xx()) {
+ soc_ops.init_clkdm = _init_clkdm;
+ } else if (cpu_is_omap44xx() || soc_is_omap54xx() || soc_is_dra7xx()) {
soc_ops.enable_module = _omap4_enable_module;
soc_ops.disable_module = _omap4_disable_module;
soc_ops.wait_target_ready = _omap4_wait_target_ready;
@@ -4119,6 +4247,14 @@ void __init omap_hwmod_init(void)
soc_ops.init_clkdm = _init_clkdm;
soc_ops.update_context_lost = _omap4_update_context_lost;
soc_ops.get_context_lost = _omap4_get_context_lost;
+ } else if (soc_is_am43xx()) {
+ 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 = _am33xx_assert_hardreset;
+ soc_ops.deassert_hardreset = _am33xx_deassert_hardreset;
+ soc_ops.is_hardreset_asserted = _am33xx_is_hardreset_asserted;
+ soc_ops.init_clkdm = _init_clkdm;
} else if (soc_is_am33xx()) {
soc_ops.enable_module = _am33xx_enable_module;
soc_ops.disable_module = _am33xx_disable_module;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 12:18:35 +0000