diff options
Diffstat (limited to 'arch/arm/cpu/armv7/omap5/abb.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/abb.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/arch/arm/cpu/armv7/omap5/abb.c b/arch/arm/cpu/armv7/omap5/abb.c deleted file mode 100644 index 3bf88979e5..0000000000 --- a/arch/arm/cpu/armv7/omap5/abb.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Adaptive Body Bias programming sequence for OMAP5 family - * - * (C) Copyright 2013 - * Texas Instruments, <www.ti.com> - * - * Andrii Tseglytskyi <andrii.tseglytskyi@ti.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/omap_common.h> -#include <asm/io.h> - -/* - * Setup LDOVBB for OMAP5. - * On OMAP5+ some ABB settings are fused. They are handled - * in the following way: - * - * 1. corresponding EFUSE register contains ABB enable bit - * and VSET value - * 2. If ABB enable bit is set to 1, than ABB should be - * enabled, otherwise ABB should be disabled - * 3. If ABB is enabled, than VSET value should be copied - * to corresponding MUX control register - */ -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 & fuse_enable_mask)) - return -1; - - /* prepare VSET value for LDOVBB mux register */ - 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; - - /* setup LDOVBB using fused value */ - clrsetbits_le32(ldovbb, OMAP5_ABB_LDOVBBMPU_VSET_OUT_MASK, vset); - - return 0; -} |