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ARM: OMAP: ID: Chip detection for OMAP4470

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Add support for detection of the next chip in the OMAP4 family: OMAP4470 ES1.0

For more details on OMAP4470, visit:
http://focus.ti.com/general/docs/wtbu/wtbuproductcontent.tsp?templateId=6123&navigationId=12869&contentId=123362

Signed-off-by: Leonid Iziumtsev <x0153368@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Leonid Iziumtsev 2011-12-13 10:46:44 -08:00 committed by Tony Lindgren
parent 55035c1524
commit ec023e46f7
2 changed files with 17 additions and 1 deletions
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10
arch/arm/mach-omap2/id.c
View file

@ -371,7 +371,7 @@ static void __init omap4_check_revision(void)
* Few initial 4430 ES2.0 samples IDCODE is same as ES1.0
* Use ARM register to detect the correct ES version
*/
if (!rev && (hawkeye != 0xb94e)) {
if (!rev && (hawkeye != 0xb94e) && (hawkeye != 0xb975)) {
idcode = read_cpuid(CPUID_ID);
rev = (idcode & 0xf) - 1;
}
@ -408,6 +408,14 @@ static void __init omap4_check_revision(void)
break;
}
break;
case 0xb975:
switch (rev) {
case 0:
default:
omap_revision = OMAP4470_REV_ES1_0;
break;
}
break;
default:
/* Unknown default to latest silicon rev as default */
omap_revision = OMAP4430_REV_ES2_3;

8
arch/arm/plat-omap/include/plat/cpu.h
View file

@ -69,6 +69,7 @@ unsigned int omap_rev(void);
* cpu_is_omap343x(): True for OMAP3430
* cpu_is_omap443x(): True for OMAP4430
* cpu_is_omap446x(): True for OMAP4460
* cpu_is_omap447x(): True for OMAP4470
*/
#define GET_OMAP_CLASS (omap_rev() & 0xff)
@ -120,6 +121,7 @@ IS_OMAP_SUBCLASS(343x, 0x343)
IS_OMAP_SUBCLASS(363x, 0x363)
IS_OMAP_SUBCLASS(443x, 0x443)
IS_OMAP_SUBCLASS(446x, 0x446)
IS_OMAP_SUBCLASS(447x, 0x447)
IS_TI_SUBCLASS(816x, 0x816)
IS_AM_SUBCLASS(335x, 0x335)
@ -138,6 +140,7 @@ IS_AM_SUBCLASS(335x, 0x335)
#define cpu_is_omap44xx() 0
#define cpu_is_omap443x() 0
#define cpu_is_omap446x() 0
#define cpu_is_omap447x() 0
#if defined(MULTI_OMAP1)
# if defined(CONFIG_ARCH_OMAP730)
@ -368,9 +371,11 @@ IS_OMAP_TYPE(3517, 0x3517)
# undef cpu_is_omap44xx
# undef cpu_is_omap443x
# undef cpu_is_omap446x
# undef cpu_is_omap447x
# define cpu_is_omap44xx() is_omap44xx()
# define cpu_is_omap443x() is_omap443x()
# define cpu_is_omap446x() is_omap446x()
# define cpu_is_omap447x() is_omap447x()
# endif
/* Macros to detect if we have OMAP1 or OMAP2 */
@ -421,6 +426,9 @@ IS_OMAP_TYPE(3517, 0x3517)
#define OMAP446X_CLASS 0x44600044
#define OMAP4460_REV_ES1_0 (OMAP446X_CLASS | (0x10 << 8))
#define OMAP447X_CLASS 0x44700044
#define OMAP4470_REV_ES1_0 (OMAP447X_CLASS | (0x10 << 8))
void omap2_check_revision(void);
/*