diff options
| author | Nishanth Menon <nm@ti.com> | 2014-01-14 18:27:29 (GMT) |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-01-24 16:41:17 (GMT) |
| commit | 194dd74ad919e57026f385aaab7f89acf7ea79ef (patch) | |
| tree | 48b2fc010a5c9165ec11e4759f7d29cf78ebee9e /arch/arm/cpu/armv7/omap5/abb.c | |
| parent | 3ac8c0bf65759a1725e5dfc24a6e0214d6b37a4a (diff) | |
| download | u-boot-194dd74ad919e57026f385aaab7f89acf7ea79ef.tar.xz | |
DRA7: add ABB setup for MPU voltage domain
Patch adds modification to shared omap5 abb_setup() function, and
proper registers definitions needed for ABB setup sequence. ABB is
initialized for MPU voltage domain at OPP_NOM.
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'arch/arm/cpu/armv7/omap5/abb.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/abb.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/omap5/abb.c b/arch/arm/cpu/armv7/omap5/abb.c index 31b6795..3bf8897 100644 --- a/arch/arm/cpu/armv7/omap5/abb.c +++ b/arch/arm/cpu/armv7/omap5/abb.c @@ -28,18 +28,25 @@ s8 abb_setup_ldovbb(u32 fuse, u32 ldovbb) { u32 vset; + u32 fuse_enable_mask = OMAP5_ABB_FUSE_ENABLE_MASK; + u32 fuse_vset_mask = OMAP5_ABB_FUSE_VSET_MASK; + if (!is_omap54xx()) { + /* DRA7 */ + fuse_enable_mask = DRA7_ABB_FUSE_ENABLE_MASK; + fuse_vset_mask = DRA7_ABB_FUSE_VSET_MASK; + } /* * ABB parameters must be properly fused * otherwise ABB should be disabled */ vset = readl(fuse); - if (!(vset & OMAP5_ABB_FUSE_ENABLE_MASK)) + if (!(vset & fuse_enable_mask)) return -1; /* prepare VSET value for LDOVBB mux register */ - vset &= OMAP5_ABB_FUSE_VSET_MASK; - vset >>= ffs(OMAP5_ABB_FUSE_VSET_MASK) - 1; + vset &= fuse_vset_mask; + vset >>= ffs(fuse_vset_mask) - 1; vset <<= ffs(OMAP5_ABB_LDOVBBMPU_VSET_OUT_MASK) - 1; vset |= OMAP5_ABB_LDOVBBMPU_MUX_CTRL_MASK; |