Messages in this thread | | | Subject | Re: [PATCH 3/3] ARM: OMAP4: hwmod data: add des | From | Tero Kristo <> | Date | Mon, 12 Jun 2017 11:16:30 +0300 |
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On 10/06/17 02:12, Sebastian Reichel wrote: > This fixes the following error during kernel boot: > > platform 480a5000.des: Cannot lookup hwmod 'des' > > Unfortunately the DES module is only documented partly > in the OMAP4430 TRM. I found an old patch from Joel, > which I took over and updated for currently mainline. > > Signed-off-by: Joel Fernandes <joelf@ti.com> > Signed-off-by: Sebastian Reichel <sre@kernel.org> > --- > arch/arm/mach-omap2/omap_hwmod_44xx_data.c | 37 ++++++++++++++++++++++++++++++ > 1 file changed, 37 insertions(+) > > diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c > index 18feb49e813b..f2f13c678cfb 100644 > --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c > +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c > @@ -993,6 +993,42 @@ static struct omap_hwmod_ocp_if omap44xx_l3_main_2__aes1 = { > }; > > /* > + * 'des' class for DES3DES module > + */ > +static struct omap_hwmod_class_sysconfig omap44xx_des_sysc = { > + .rev_offs = 0x30, > + .sysc_offs = 0x34, > + .syss_offs = 0x38, > + .sysc_flags = SYSS_HAS_RESET_STATUS, > +}; > + > +static struct omap_hwmod_class omap44xx_des_hwmod_class = { > + .name = "des", > + .sysc = &omap44xx_des_sysc, > +}; > + > +static struct omap_hwmod omap44xx_des_hwmod = { > + .name = "des", > + .class = &omap44xx_des_hwmod_class, > + .clkdm_name = "l4_secure_clkdm", > + .main_clk = "des_fck",
Change the above to l3_div_ck.
> + .prcm = { > + .omap4 = { > + .context_offs = OMAP4_RM_L4SEC_DES3DES_CONTEXT_OFFSET, > + .clkctrl_offs = OMAP4_CM_L4SEC_DES3DES_CLKCTRL_OFFSET, > + .modulemode = MODULEMODE_SWCTRL, > + }, > + }, > +}; > + > +struct omap_hwmod_ocp_if omap44xx_l4_per__des = { > + .master = &omap44xx_l4_per_hwmod, > + .slave = &omap44xx_des_hwmod, > + .clk = "des_fck",
l3_div_ck.
> + .user = OCP_USER_MPU | OCP_USER_SDMA, > +};
l4_per is wrong interconnect for this module. It is actually connected to l3_main_2.
> + > +/* > * 'fdif' class > * face detection hw accelerator module > */ > @@ -4834,6 +4870,7 @@ static struct omap_hwmod_ocp_if *omap44xx_hwmod_ocp_ifs[] __initdata = { > &omap44xx_mpu__emif1, > &omap44xx_mpu__emif2, > &omap44xx_l3_main_2__aes1, > + &omap44xx_l4_per__des, > NULL, > }; > >
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