diff options
| author | Nishanth Menon <nm@ti.com> | 2014-01-14 12:27:29 -0600 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-01-24 11:41:17 -0500 |
| commit | 194dd74ad919e57026f385aaab7f89acf7ea79ef (patch) | |
| tree | 48b2fc010a5c9165ec11e4759f7d29cf78ebee9e | |
| parent | 3ac8c0bf65759a1725e5dfc24a6e0214d6b37a4a (diff) | |
| download | blackbird-obmc-uboot-194dd74ad919e57026f385aaab7f89acf7ea79ef.tar.gz blackbird-obmc-uboot-194dd74ad919e57026f385aaab7f89acf7ea79ef.zip | |
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>
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/abb.c | 13 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/prcm-regs.c | 8 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-omap5/omap.h | 2 |
3 files changed, 20 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/omap5/abb.c b/arch/arm/cpu/armv7/omap5/abb.c index 31b679516f..3bf88979e5 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; diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c index 77c428b535..ff328070f7 100644 --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c @@ -432,11 +432,13 @@ struct omap_sys_ctrl_regs const dra7xx_ctrl = { .control_srcomp_code_latch = 0x4A002E84, .control_ddr_control_ext_0 = 0x4A002E88, .control_padconf_core_base = 0x4A003400, + .control_std_fuse_opp_vdd_mpu_2 = 0x4A003B24, .control_port_emif1_sdram_config = 0x4AE0C110, .control_port_emif1_lpddr2_nvm_config = 0x4AE0C114, .control_port_emif2_sdram_config = 0x4AE0C118, .control_emif1_sdram_config_ext = 0x4AE0C144, .control_emif2_sdram_config_ext = 0x4AE0C148, + .control_wkup_ldovbb_mpu_voltage_ctrl = 0x4AE0C158, .control_padconf_mode = 0x4AE0C5A0, .control_xtal_oscillator = 0x4AE0C5A4, .control_i2c_2 = 0x4AE0C5A8, @@ -807,6 +809,9 @@ struct prcm_regs const dra7xx_prcm = { .cm_dsp_clkstctrl = 0x4a005400, .cm_dsp_dsp_clkctrl = 0x4a005420, + /* prm irqstatus regs */ + .prm_irqstatus_mpu_2 = 0x4ae06014, + /* cm2.ckgen */ .cm_clksel_usb_60mhz = 0x4a008104, .cm_clkmode_dpll_per = 0x4a008140, @@ -967,4 +972,7 @@ struct prcm_regs const dra7xx_prcm = { .prm_vc_val_bypass = 0x4ae07da0, .prm_vc_cfg_i2c_mode = 0x4ae07db4, .prm_vc_cfg_i2c_clk = 0x4ae07db8, + + .prm_abbldo_mpu_setup = 0x4AE07DDC, + .prm_abbldo_mpu_ctrl = 0x4AE07DE0, }; diff --git a/arch/arm/include/asm/arch-omap5/omap.h b/arch/arm/include/asm/arch-omap5/omap.h index 34f6fc5f35..19fdecec01 100644 --- a/arch/arm/include/asm/arch-omap5/omap.h +++ b/arch/arm/include/asm/arch-omap5/omap.h @@ -205,6 +205,8 @@ struct s32ktimer { /* ABB efuse masks */ #define OMAP5_ABB_FUSE_VSET_MASK (0x1F << 24) #define OMAP5_ABB_FUSE_ENABLE_MASK (0x1 << 29) +#define DRA7_ABB_FUSE_VSET_MASK (0x1F << 20) +#define DRA7_ABB_FUSE_ENABLE_MASK (0x1 << 25) #define OMAP5_ABB_LDOVBBMPU_MUX_CTRL_MASK (0x1 << 10) #define OMAP5_ABB_LDOVBBMPU_VSET_OUT_MASK (0x1f << 0) |
