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

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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
This commit is contained in:
Paul Walmsley
2011-03-10 22:43:05 -07:00
parent 21ace5452c cc1226e763
commit 2d403fe030
7 changed files with 82 additions and 60 deletions
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79
arch/arm/mach-omap2/omap_hwmod.c
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@ -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;
}