> -----Original Message-----
> From: [email protected] [mailto:linux-omap-
> [email protected]] On Behalf Of Hald, Ulrik Bech
> Sent: Wednesday, June 17, 2009 9:52 AM
> To: Tony Lindgren
> Cc: [email protected]
> Subject: RE: [PATCH v3 1/2] watchdog:OMAP3:Register IVA and SECURE WDT,
> make clks accessible
>
> > -----Original Message-----
> > From: Tony Lindgren [mailto:[email protected]]
> > Sent: Wednesday, June 17, 2009 8:48 AM
> > To: Hald, Ulrik Bech
> > Cc: [email protected]
> > Subject: Re: [PATCH v3 1/2] watchdog:OMAP3:Register IVA and SECURE WDT,
> > make clks accessible
> >
> > Hi,
> >
> > * Ulrik Bech Hald <[email protected]> [090616 07:20]:
> > > Enabling registration of IVA and SECURE WDT devices. Making
> > > ick and fck for IVA and SECURE WDTs accessible.
> > >
> > > Tested on Zoom1 OMAP3 platform
> > > Signed-off-by: Ulrik Bech Hald <[email protected]>
> > > ---
> > > This patch has a dependency on:
> > > compilation: PATCH 1/2] OMAP2/3: SoC IDs: add omap_type() for
> > determining GP/EMU/HS
> > >
> > > arch/arm/mach-omap2/clock34xx.c | 12 +++---
> > > arch/arm/plat-omap/devices.c | 81
> +++++++++++++++++++++++++++++++-
> > -------
> > > 2 files changed, 71 insertions(+), 22 deletions(-)
> > >
> > > diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-
> > omap2/clock34xx.c
> > > index 9e43fe5..933ae9e 100644
> > > --- a/arch/arm/mach-omap2/clock34xx.c
> > > +++ b/arch/arm/mach-omap2/clock34xx.c
> > > @@ -215,11 +215,11 @@ static struct omap_clk omap34xx_clks[] = {
> > > CLK(NULL, "gpt1_fck", &gpt1_fck, CK_343X),
> > > CLK(NULL, "wkup_32k_fck", &wkup_32k_fck, CK_343X),
> > > CLK(NULL, "gpio1_dbck", &gpio1_dbck, CK_343X),
> > > - CLK("omap_wdt", "fck", &wdt2_fck, CK_343X),
> > > + CLK("omap_wdt.2", "fck", &wdt2_fck, CK_343X),
> > > CLK(NULL, "wkup_l4_ick", &wkup_l4_ick, CK_343X),
> > > CLK(NULL, "usim_ick", &usim_ick, CK_3430ES2),
> > > - CLK("omap_wdt", "ick", &wdt2_ick, CK_343X),
> > > - CLK(NULL, "wdt1_ick", &wdt1_ick, CK_343X),
> > > + CLK("omap_wdt.2", "ick", &wdt2_ick, CK_343X),
> > > + CLK("omap_wdt.1", "ick", &wdt1_ick, CK_343X),
> > > CLK(NULL, "gpio1_ick", &gpio1_ick, CK_343X),
> > > CLK(NULL, "omap_32ksync_ick", &omap_32ksync_ick, CK_343X),
> > > CLK(NULL, "gpt12_ick", &gpt12_ick, CK_343X),
> > > @@ -241,14 +241,14 @@ static struct omap_clk omap34xx_clks[] = {
> > > CLK(NULL, "gpio4_dbck", &gpio4_dbck, CK_343X),
> > > CLK(NULL, "gpio3_dbck", &gpio3_dbck, CK_343X),
> > > CLK(NULL, "gpio2_dbck", &gpio2_dbck, CK_343X),
> > > - CLK(NULL, "wdt3_fck", &wdt3_fck, CK_343X),
> > > + CLK("omap_wdt.3", "fck", &wdt3_fck, CK_343X),
> > > CLK(NULL, "per_l4_ick", &per_l4_ick, CK_343X),
> > > CLK(NULL, "gpio6_ick", &gpio6_ick, CK_343X),
> > > CLK(NULL, "gpio5_ick", &gpio5_ick, CK_343X),
> > > CLK(NULL, "gpio4_ick", &gpio4_ick, CK_343X),
> > > CLK(NULL, "gpio3_ick", &gpio3_ick, CK_343X),
> > > CLK(NULL, "gpio2_ick", &gpio2_ick, CK_343X),
> > > - CLK(NULL, "wdt3_ick", &wdt3_ick, CK_343X),
> > > + CLK("omap_wdt.3", "ick", &wdt3_ick, CK_343X),
> > > CLK(NULL, "uart3_ick", &uart3_ick, CK_343X),
> > > CLK(NULL, "gpt9_ick", &gpt9_ick, CK_343X),
> > > CLK(NULL, "gpt8_ick", &gpt8_ick, CK_343X),
> > > @@ -275,7 +275,7 @@ static struct omap_clk omap34xx_clks[] = {
> > > CLK(NULL, "sr_l4_ick", &sr_l4_ick, CK_343X),
> > > CLK(NULL, "secure_32k_fck", &secure_32k_fck, CK_343X),
> > > CLK(NULL, "gpt12_fck", &gpt12_fck, CK_343X),
> > > - CLK(NULL, "wdt1_fck", &wdt1_fck, CK_343X),
> > > + CLK("omap_wdt.1", "fck", &wdt1_fck, CK_343X),
> > > };
> > >
> > > /* CM_AUTOIDLE_PLL*.AUTO_* bit values */
> >
> > To me it looks like you need to make the omap_wdt clock alias rename
> > change also for mach-omap1/clock.c.
> >
> > Regards,
> >
> > Tony
> >
>
> You're right, and it also looks like mach-omap2/clock24xx.c needs the
> alias rename to omap_wdt.1 as well.
And by omap_wdt.1 I really mean omap_wdt.2 (mpu) :)
>
> Thanks for looking at it Tony.
>
> /Ulrik
> >
> > > diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-
> omap/devices.c
> > > old mode 100644
> > > new mode 100755
> > > index a64b692..de5182c
> > > --- a/arch/arm/plat-omap/devices.c
> > > +++ b/arch/arm/plat-omap/devices.c
> > > @@ -288,42 +288,91 @@ static inline void omap_init_uwire(void) {}
> > >
> > > #if defined(CONFIG_OMAP_WATCHDOG) ||
> > defined(CONFIG_OMAP_WATCHDOG_MODULE)
> > >
> > > -static struct resource wdt_resources[] = {
> > > +#define OMAP34XX_WDT1_BASE 0x4830c000
> > > +#define OMAP34XX_WDT2_BASE 0x48314000
> > > +#define OMAP34XX_WDT3_BASE 0x49030000
> > > +#define OMAP2430_WDT_BASE 0x49016000
> > > +#define OMAP2420_WDT_BASE 0x48022000
> > > +#define OMAP16XX_WDT_BASE 0xfffeb000
> > > +
> > > +static struct resource wdt1_resources[] = {
> > > {
> > > - .flags = IORESOURCE_MEM,
> > > + .flags = IORESOURCE_MEM,
> > > },
> > > };
> > >
> > > -static struct platform_device omap_wdt_device = {
> > > - .name = "omap_wdt",
> > > - .id = -1,
> > > - .num_resources = ARRAY_SIZE(wdt_resources),
> > > - .resource = wdt_resources,
> > > +static struct resource wdt2_resources[] = {
> > > + {
> > > + .flags = IORESOURCE_MEM,
> > > + },
> > > +};
> > > +
> > > +static struct resource wdt3_resources[] = {
> > > + {
> > > + .flags = IORESOURCE_MEM,
> > > + },
> > > +};
> > > +
> > > +/* SECURE WDT */
> > > +static struct platform_device omap_wdt1_device = {
> > > + .name = "omap_wdt",
> > > + .id = 1,
> > > + .num_resources = ARRAY_SIZE(wdt1_resources),
> > > + .resource = wdt1_resources,
> > > +};
> > > +
> > > +/* MPU WDT */
> > > +static struct platform_device omap_wdt2_device = {
> > > + .name = "omap_wdt",
> > > + .id = 2,
> > > + .num_resources = ARRAY_SIZE(wdt2_resources),
> > > + .resource = wdt2_resources,
> > > +};
> > > +
> > > +/* IVA WDT */
> > > +static struct platform_device omap_wdt3_device = {
> > > + .name = "omap_wdt",
> > > + .id = 3,
> > > + .num_resources = ARRAY_SIZE(wdt3_resources),
> > > + .resource = wdt3_resources,
> > > };
> > >
> > > static void omap_init_wdt(void)
> > > {
> > > if (cpu_is_omap16xx())
> > > - wdt_resources[0].start = 0xfffeb000;
> > > + wdt2_resources[0].start = OMAP16XX_WDT_BASE;
> > > else if (cpu_is_omap2420())
> > > - wdt_resources[0].start = 0x48022000; /* WDT2 */
> > > + wdt2_resources[0].start = OMAP2420_WDT_BASE;
> > > else if (cpu_is_omap2430())
> > > - wdt_resources[0].start = 0x49016000; /* WDT2 */
> > > - else if (cpu_is_omap343x())
> > > - wdt_resources[0].start = 0x48314000; /* WDT2 */
> > > - else if (cpu_is_omap44xx())
> > > - wdt_resources[0].start = 0x4a314000;
> > > + wdt2_resources[0].start = OMAP2430_WDT_BASE;
> > > + else if (cpu_is_omap343x()) {
> > > + wdt1_resources[0].start = OMAP34XX_WDT1_BASE;
> > > + wdt1_resources[0].end = wdt1_resources[0].start + 0x4f;
> > > + wdt2_resources[0].start = OMAP34XX_WDT2_BASE;
> > > + wdt3_resources[0].start = OMAP34XX_WDT3_BASE;
> > > + wdt3_resources[0].end = wdt3_resources[0].start + 0x4f;
> > > + }
> > > else
> > > return;
> > >
> > > - wdt_resources[0].end = wdt_resources[0].start + 0x4f;
> > > + wdt2_resources[0].end = wdt2_resources[0].start + 0x4f;
> > >
> > > - (void) platform_device_register(&omap_wdt_device);
> > > + /* MPU WDT present across omap family */
> > > + (void) platform_device_register(&omap_wdt2_device);
> > > +
> > > + if (cpu_is_omap34xx()) {
> > > + (void) platform_device_register(&omap_wdt3_device);
> > > + if (omap_type() == OMAP2_DEVICE_TYPE_SEC
> > > + || omap_type() == OMAP2_DEVICE_TYPE_EMU)
> > > + (void) platform_device_register(&omap_wdt1_device);
> > > + }
> > > }
> > > +
> > > #else
> > > static inline void omap_init_wdt(void) {}
> > > #endif
> > >
> > > +
> > > /*-------------------------------------------------------------------
> --
> > ----*/
> > >
> > > #if defined(CONFIG_HW_RANDOM_OMAP) ||
> > defined(CONFIG_HW_RANDOM_OMAP_MODULE)
> > > --
> > > 1.5.4.3
> > >
> > > --
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