> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Kristo, Tero
> Sent: Wednesday, July 13, 2011 7:31 PM
> To: [email protected]
> Cc: [email protected]; Girdwood, Liam; Hilman, Kevin
> Subject: [PATCHv2 4/5] TEMP: OMAP3: beagle rev-c4: enable OPP6
>
> Beagleboard rev-c4 has a speed sorted OMAP3530 chip which can
> run at 720MHz.
>
> Signed-off-by: Tero Kristo <[email protected]>
> ---
> arch/arm/mach-omap2/board-omap3beagle.c | 32
> +++++++++++++++++++++++++++++++
> arch/arm/mach-omap2/opp3xxx_data.c | 4 +++
> 2 files changed, 36 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-omap3beagle.c
> b/arch/arm/mach-omap2/board-omap3beagle.c
> index d7ae648..5ab507d 100644
> --- a/arch/arm/mach-omap2/board-omap3beagle.c
> +++ b/arch/arm/mach-omap2/board-omap3beagle.c
> @@ -592,6 +592,38 @@ static void __init beagle_opp_init(void)
> return;
> }
>
> + /* Custom OPP enabled for C4 */
> + if (omap3_beagle_version == OMAP3BEAGLE_BOARD_C4) {
> + struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
> + struct omap_hwmod *dh = omap_hwmod_lookup("iva");
> + struct device *dev;
> +
> + if (!mh || !dh) {
> + pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
> + __func__, mh, dh);
> + }
> + /* Enable MPU 720MHz opp */
> + dev = &mh->od->pdev.dev;
> + r = opp_enable(dev, 720000000);
> +
> + /* Enable IVA 520MHz opp */
> + dev = &dh->od->pdev.dev;
> + r |= opp_enable(dev, 520000000);
> +
> + if (r) {
> + pr_err("%s: failed to enable higher opp %d\n",
> + __func__, r);
> + /*
> + * Cleanup - disable the higher freqs -
> we dont care
> + * about the results
> + */
> + dev = &mh->od->pdev.dev;
> + opp_disable(dev, 720000000);
> + dev = &dh->od->pdev.dev;
> + opp_disable(dev, 520000000);
> + }
> + }
> +
> /* Custom OPP enabled for all xM versions */
> if (cpu_is_omap3630()) {
> struct omap_hwmod *mh = omap_hwmod_lookup("mpu");
> diff --git a/arch/arm/mach-omap2/opp3xxx_data.c
> b/arch/arm/mach-omap2/opp3xxx_data.c
> index d95f3f9..a0f5fe1 100644
> --- a/arch/arm/mach-omap2/opp3xxx_data.c
> +++ b/arch/arm/mach-omap2/opp3xxx_data.c
> @@ -98,6 +98,8 @@ static struct omap_opp_def __initdata
> omap34xx_opp_def_list[] = {
> OPP_INITIALIZER("mpu", true, 550000000,
> OMAP3430_VDD_MPU_OPP4_UV),
> /* MPU OPP5 */
> OPP_INITIALIZER("mpu", true, 600000000,
> OMAP3430_VDD_MPU_OPP5_UV),
> + /* MPU OPP6 : omap3530 high speed grade only */
> + OPP_INITIALIZER("mpu", false, 720000000,
> OMAP3430_VDD_MPU_OPP5_UV),
>
> /*
> * L3 OPP1 - 41.5 MHz is disabled because: The voltage
> for that OPP is
> @@ -123,6 +125,8 @@ static struct omap_opp_def __initdata
> omap34xx_opp_def_list[] = {
> OPP_INITIALIZER("iva", true, 400000000,
> OMAP3430_VDD_MPU_OPP4_UV),
> /* DSP OPP5 */
> OPP_INITIALIZER("iva", true, 430000000,
> OMAP3430_VDD_MPU_OPP5_UV),
> + /* DSP OPP6 : omap3530 high speed grade only */
> + OPP_INITIALIZER("iva", false, 520000000,
> OMAP3430_VDD_MPU_OPP5_UV),
> };
>
> static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
[sp] Basic support for 720MHz was already closed early this year.
See: http://marc.info/?l=linux-omap&m=129735630928696&w=2
I cannot check the current tree status right now; but I assume
the patch should already be in.
~sanjeev
> --
> 1.7.4.1
>
>
> Texas Instruments Oy, Tekniikantie 12, 02150 Espoo. Y-tunnus:
> 0115040-6. Kotipaikka: Helsinki
>
>
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