hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ARM: dra762: Add support for device identification 

Add ID code detection for dra762 SoC.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Lokesh Vutla 2017-08-12 09:35:59 +05:30 committed by Tony Lindgren
parent 4dc6760d3d
commit c15ab99637
2 changed files with 14 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
arch/arm/mach-omap2/id.c
View File

@ -663,6 +663,15 @@ void __init dra7xxx_check_revision(void)
hawkeye = (idcode >> 12) & 0xffff;
rev = (idcode >> 28) & 0xff;
switch (hawkeye) {
case 0xbb50:
switch (rev) {
case 0:
default:
omap_revision = DRA762_REV_ES1_0;
break;
}
break;
case 0xb990:
switch (rev) {
case 0:

5
arch/arm/mach-omap2/soc.h
View File

@ -167,6 +167,7 @@ IS_TI_SUBCLASS(816x, 0x816)
IS_TI_SUBCLASS(814x, 0x814)
IS_AM_SUBCLASS(335x, 0x335)
IS_AM_SUBCLASS(437x, 0x437)
IS_DRA_SUBCLASS(76x, 0x76)
IS_DRA_SUBCLASS(75x, 0x75)
IS_DRA_SUBCLASS(72x, 0x72)
@ -185,6 +186,7 @@ IS_DRA_SUBCLASS(72x, 0x72)
#define soc_is_omap54xx() 0
#define soc_is_omap543x() 0
#define soc_is_dra7xx() 0
#define soc_is_dra76x() 0
#define soc_is_dra74x() 0
#define soc_is_dra72x() 0
@ -314,9 +316,11 @@ IS_OMAP_TYPE(3430, 0x3430)
#if defined(CONFIG_SOC_DRA7XX)
#undef soc_is_dra7xx
#undef soc_is_dra76x
#undef soc_is_dra74x
#undef soc_is_dra72x
#define soc_is_dra7xx() is_dra7xx()
#define soc_is_dra76x() is_dra76x()
#define soc_is_dra74x() is_dra75x()
#define soc_is_dra72x() is_dra72x()
#endif
@ -386,6 +390,7 @@ IS_OMAP_TYPE(3430, 0x3430)
#define OMAP5432_REV_ES2_0 (OMAP54XX_CLASS | (0x32 << 16) | (0x20 << 8))
#define DRA7XX_CLASS 0x07000000
#define DRA762_REV_ES1_0 (DRA7XX_CLASS | (0x62 << 16) | (0x10 << 8))
#define DRA752_REV_ES1_0 (DRA7XX_CLASS | (0x52 << 16) | (0x10 << 8))
#define DRA752_REV_ES1_1 (DRA7XX_CLASS | (0x52 << 16) | (0x11 << 8))
#define DRA752_REV_ES2_0 (DRA7XX_CLASS | (0x52 << 16) | (0x20 << 8))