On Mon, Jan 11, 2010 at 10:52 PM, Premi, Sanjeev <pr...@ti.com> wrote: >> -----Original Message----- >> From: u-boot-boun...@lists.denx.de >> [mailto:u-boot-boun...@lists.denx.de] On Behalf Of Khasim >> Syed Mohammed >> Sent: Saturday, January 09, 2010 10:17 AM >> To: u-boot@lists.denx.de; beaglebo...@googlegroups.com >> Subject: [U-Boot] TI:OMAP: [PATCH] Add 720Mhz support for >> Beagle Rev C4 >> >> From e28c5e917f9504b724b6587287ad9e1eb0682b11 Mon Sep 17 00:00:00 2001 >> From: Syed Mohammed Khasim <kha...@ti.com> >> Date: Sat, 9 Jan 2010 09:40:32 +0530 >> Subject: [PATCH] Add 720Mhz support for Beagle Rev C4 >> >> Use the Generic TWL and Clock APIs to get beagle >> Rev C4 running at 720Mhz >> >> Signed-off-by: Syed Mohammed Khasim <kha...@ti.com> >> --- >> board/ti/beagle/beagle.c | 20 ++++++++++++++++++-- >> 1 files changed, 18 insertions(+), 2 deletions(-) >> >> diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c >> index 0def5a6..7985ee9 100644 >> --- a/board/ti/beagle/beagle.c >> +++ b/board/ti/beagle/beagle.c >> @@ -122,9 +122,27 @@ int misc_init_r(void) >> struct gpio *gpio5_base = (struct gpio *)OMAP34XX_GPIO5_BASE; >> struct gpio *gpio6_base = (struct gpio *)OMAP34XX_GPIO6_BASE; >> >> + beagle_identify(); >> + >> twl4030_power_init(); >> twl4030_led_init(); >> >> + if (beagle_revision == REVISION_C4) { >> + >> + /* Select TWL4030 VSEL to support 720Mhz */ >> + >> twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VAUX2_DEDICATED, >> + VAUX2_VSEL_18, >> + >> TWL4030_PM_RECEIVER_VAUX2_DEV_GRP, >> + DEV_GRP_P1); >> + >> + twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VDD1_VSEL, >> + VDD1_VSEL_14, >> + >> TWL4030_PM_RECEIVER_VDD1_DEV_GRP, >> + DEV_GRP_P1); >> + >> + prcm_config_720mhz(); >> + } >> + >> /* Configure GPIOs to output */ >> writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), >> &gpio6_base->oe); >> writel(~(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 | >> @@ -136,8 +154,6 @@ int misc_init_r(void) >> writel(GPIO31 | GPIO30 | GPIO29 | GPIO28 | GPIO22 | GPIO21 | >> GPIO15 | GPIO14 | GPIO13 | GPIO12, >> &gpio5_base->setdataout); >> >> - beagle_identify(); >> - >> dieid_num_r(); > > Khasim, > > I am not clear about the beagle revisions, but I feel it will be better to > check the silicon capability for 720MHz to do the scaling. This patch will > need to be updated if there is C5 which also supports 720MHz. > I was looking for documentation / addendum that points to change in silicon revisions - unfortunately I didn't find any.
I agree that we can base this on Silicon Rev instead of board rev. Will change this when I get the documentation for the same. Thanks for the review. Regards, Khasim >> >> return 0; >> -- >> 1.5.6.3 >> _______________________________________________ >> U-Boot mailing list >> U-Boot@lists.denx.de >> http://lists.denx.de/mailman/listinfo/u-boot >> > -- > You received this message because you are subscribed to the Google Groups > "Beagle Board" group. > To post to this group, send email to beaglebo...@googlegroups.com. > To unsubscribe from this group, send email to > beagleboard+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/beagleboard?hl=en. > > > > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
