Messages in this thread Patch in this message | | | From | Sebastian Reichel <> | Subject | [PATCH 3/3] ARM: OMAP4: hwmod data: add des | Date | Sat, 10 Jun 2017 01:12:06 +0200 |
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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", + .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", + .user = OCP_USER_MPU | OCP_USER_SDMA, +}; + +/* * '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, }; -- 2.11.0
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