diff options
Diffstat (limited to 'arch/arm/mach-omap2/id.c')
| -rw-r--r-- | arch/arm/mach-omap2/id.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c index 34b5914e0f8..a98201cc265 100644 --- a/arch/arm/mach-omap2/id.c +++ b/arch/arm/mach-omap2/id.c @@ -6,6 +6,9 @@ * Copyright (C) 2005 Nokia Corporation * Written by Tony Lindgren <tony@atomide.com> * + * Copyright (C) 2009 Texas Instruments + * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com> + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. @@ -45,6 +48,28 @@ int omap_chip_is(struct omap_chip_id oci) } EXPORT_SYMBOL(omap_chip_is); +int omap_type(void) +{ + u32 val = 0; + + if (cpu_is_omap24xx()) + val = omap_ctrl_readl(OMAP24XX_CONTROL_STATUS); + else if (cpu_is_omap34xx()) + val = omap_ctrl_readl(OMAP343X_CONTROL_STATUS); + else { + pr_err("Cannot detect omap type!\n"); + goto out; + } + + val &= OMAP2_DEVICETYPE_MASK; + val >>= 8; + +out: + return val; +} +EXPORT_SYMBOL(omap_type); + + /*----------------------------------------------------------------------------*/ #define OMAP_TAP_IDCODE 0x0204 @@ -200,7 +225,10 @@ void __init omap2_check_revision(void) omap24xx_check_revision(); else if (cpu_is_omap34xx()) omap34xx_check_revision(); - else + else if (cpu_is_omap44xx()) { + printk(KERN_INFO "FIXME: CPU revision = OMAP4430\n"); + return; + } else pr_err("OMAP revision unknown, please fix!\n"); /* |