From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Tue, 13 Jan 2015 15:13:53 -0800 Subject: [PATCH 3/7] ARM: OMAP2+: Fix ti81xx devtype In-Reply-To: <1421190837-4692-1-git-send-email-tony@atomide.com> References: <1421190837-4692-1-git-send-email-tony@atomide.com> Message-ID: <1421190837-4692-4-git-send-email-tony@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Otherwise we get error "Cannot detect omap type!" and many things can fail with following: Unhandled fault: imprecise external abort (0xc06) at 0xc6031fb0 This is because the omap_type is being used to set up th SoC specific functions for omaps. Cc: Brian Hutchinson Signed-off-by: Tony Lindgren --- arch/arm/mach-omap2/control.h | 4 ++++ arch/arm/mach-omap2/id.c | 2 ++ 2 files changed, 6 insertions(+) diff --git a/arch/arm/mach-omap2/control.h b/arch/arm/mach-omap2/control.h index a3c0133..0fba6d1 100644 --- a/arch/arm/mach-omap2/control.h +++ b/arch/arm/mach-omap2/control.h @@ -53,6 +53,7 @@ #define OMAP343X_CONTROL_GENERAL_WKUP 0xa60 /* TI81XX spefic control submodules */ +#define TI81XX_CONTROL_DEVBOOT 0x040 #define TI81XX_CONTROL_DEVCONF 0x600 /* Control register offsets - read/write with omap_ctrl_{read,write}{bwl}() */ @@ -246,6 +247,9 @@ #define OMAP3_PADCONF_SAD2D_MSTANDBY 0x250 #define OMAP3_PADCONF_SAD2D_IDLEACK 0x254 +/* TI81XX CONTROL_DEVBOOT register offsets */ +#define TI81XX_CONTROL_STATUS (TI81XX_CONTROL_DEVBOOT + 0x000) + /* TI81XX CONTROL_DEVCONF register offsets */ #define TI81XX_CONTROL_DEVICE_ID (TI81XX_CONTROL_DEVCONF + 0x000) diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index c25feba..2a2f4d5 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -56,6 +56,8 @@ int omap_type(void) if (cpu_is_omap24xx()) { val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS); + } else if (cpu_is_ti81xx()) { + val = omap_ctrl_readl(TI81XX_CONTROL_STATUS); } else if (soc_is_am33xx() || soc_is_am43xx()) { val = omap_ctrl_readl(AM33XX_CONTROL_STATUS); } else if (cpu_is_omap34xx()) { -- 2.1.4