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OMAP4: Smartreflex framework extensions

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This patch extends the smartreflex framework to support
OMAP4. The changes are minor like compiling smartreflex Kconfig
option for OMAP4 also, and a couple of OMAP4 checks in
the smartreflex framework.

The change in sr_device.c where new logic has to be introduced
for reading the efuse registers is due to the fact that in OMAP4
the efuse registers are 24 bit aligned. A __raw_readl will
fail for non-32 bit aligned address and hence the 8-bit read
and shift.

Signed-off-by: Thara Gopinath <thara@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Thara Gopinath
2010-08-18 12:23:12 +05:30
committed by Kevin Hilman
parent fb200cfb23
commit b35cecf978
3 changed files with 23 additions and 4 deletions
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8
arch/arm/mach-omap2/smartreflex.c
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@@ -153,7 +153,11 @@ static void sr_set_clk_length(struct omap_sr *sr)
struct clk *sys_ck;
u32 sys_clk_speed;
sys_ck = clk_get(NULL, "sys_ck");
if (cpu_is_omap34xx())
sys_ck = clk_get(NULL, "sys_ck");
else
sys_ck = clk_get(NULL, "sys_clkin_ck");
if (IS_ERR(sys_ck)) {
dev_err(&sr->pdev->dev, "%s: unable to get sys clk\n",
__func__);
@@ -193,7 +197,7 @@ static void sr_set_regfields(struct omap_sr *sr)
* file or pmic specific data structure. In that case these structure
* fields will have to be populated using the pdata or pmic structure.
*/
if (cpu_is_omap34xx()) {
if (cpu_is_omap34xx() || cpu_is_omap44xx()) {
sr->err_weight = OMAP3430_SR_ERRWEIGHT;
sr->err_maxlimit = OMAP3430_SR_ERRMAXLIMIT;
sr->accum_data = OMAP3430_SR_ACCUMDATA;