From patchwork Wed Dec 8 06:18:41 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paul Walmsley X-Patchwork-Id: 389932 X-Patchwork-Delegate: paul@pwsan.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oB86KGxF013035 for ; Wed, 8 Dec 2010 06:20:16 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753269Ab0LHGUE (ORCPT ); Wed, 8 Dec 2010 01:20:04 -0500 Received: from utopia.booyaka.com ([72.9.107.138]:37194 "EHLO utopia.booyaka.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753219Ab0LHGT4 (ORCPT ); Wed, 8 Dec 2010 01:19:56 -0500 Received: (qmail 23641 invoked by uid 1019); 8 Dec 2010 06:19:54 -0000 MBOX-Line: From nobody Tue Dec 7 23:18:41 2010 Subject: [PATCH 07/11] OMAP4: clockdomains: add OMAP4 PRCM data and OMAP4 support To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org From: Paul Walmsley Cc: Rajendra Nayak , Santosh Shilimkar , =?utf-8?q?Beno=C3=AEt?= Cousson Date: Tue, 07 Dec 2010 23:18:41 -0700 Message-ID: <20101208061840.30541.4572.stgit@twilight.localdomain> In-Reply-To: <20101208061657.30541.79824.stgit@twilight.localdomain> References: <20101208061657.30541.79824.stgit@twilight.localdomain> User-Agent: StGit/0.15 MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter1.kernel.org [140.211.167.41]); Wed, 08 Dec 2010 06:20:17 +0000 (UTC) diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index b1a6908..f83a1d4 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -29,6 +29,9 @@ #include "prm2xxx_3xxx.h" #include "prm-regbits-24xx.h" #include "cm2xxx_3xxx.h" +#include "cm-regbits-34xx.h" +#include "cminst44xx.h" +#include "prcm44xx.h" #include #include @@ -245,13 +248,21 @@ static void _enable_hwsup(struct clockdomain *clkdm) if (cpu_is_omap24xx()) bits = OMAP24XX_CLKSTCTRL_ENABLE_AUTO; - else if (cpu_is_omap34xx() || cpu_is_omap44xx()) + else if (cpu_is_omap34xx()) bits = OMAP34XX_CLKSTCTRL_ENABLE_AUTO; + else if (cpu_is_omap44xx()) + return omap4_cminst_clkdm_enable_hwsup(clkdm->prcm_partition, + clkdm->cm_inst, + clkdm->clkdm_offs); else BUG(); bits = bits << __ffs(clkdm->clktrctrl_mask); + /* + * XXX clkstctrl_reg is known on OMAP2 - this clkdm + * field is not needed + */ v = __raw_readl(clkdm->clkstctrl_reg); v &= ~(clkdm->clktrctrl_mask); v |= bits; @@ -271,21 +282,27 @@ static void _disable_hwsup(struct clockdomain *clkdm) { u32 bits, v; - if (cpu_is_omap24xx()) { + if (cpu_is_omap24xx()) bits = OMAP24XX_CLKSTCTRL_DISABLE_AUTO; - } else if (cpu_is_omap34xx() || cpu_is_omap44xx()) { + else if (cpu_is_omap34xx()) bits = OMAP34XX_CLKSTCTRL_DISABLE_AUTO; - } else { + else if (cpu_is_omap44xx()) + return omap4_cminst_clkdm_disable_hwsup(clkdm->prcm_partition, + clkdm->cm_inst, + clkdm->clkdm_offs); + else BUG(); - } bits = bits << __ffs(clkdm->clktrctrl_mask); + /* + * XXX clkstctrl_reg is known on OMAP2 - this clkdm + * field is not needed + */ v = __raw_readl(clkdm->clkstctrl_reg); v &= ~(clkdm->clktrctrl_mask); v |= bits; __raw_writel(v, clkdm->clkstctrl_reg); - } /* Public functions */ @@ -723,14 +740,20 @@ int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm) */ static int omap2_clkdm_clktrctrl_read(struct clockdomain *clkdm) { - u32 v; + u32 v = 0; if (!clkdm) return -EINVAL; - v = __raw_readl(clkdm->clkstctrl_reg); - v &= clkdm->clktrctrl_mask; - v >>= __ffs(clkdm->clktrctrl_mask); + if (cpu_is_omap24xx() || cpu_is_omap34xx()) { + v = __raw_readl(clkdm->clkstctrl_reg); + v &= clkdm->clktrctrl_mask; + v >>= __ffs(clkdm->clktrctrl_mask); + } else if (cpu_is_omap44xx()) { + pr_warn("OMAP4 clockdomain: missing wakeup/sleep deps\n"); + } else { + BUG(); + } return v; } @@ -746,6 +769,8 @@ static int omap2_clkdm_clktrctrl_read(struct clockdomain *clkdm) */ int omap2_clkdm_sleep(struct clockdomain *clkdm) { + u32 bits, v; + if (!clkdm) return -EINVAL; @@ -762,16 +787,22 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm) omap2_cm_set_mod_reg_bits(OMAP24XX_FORCESTATE_MASK, clkdm->pwrdm.ptr->prcm_offs, OMAP2_PM_PWSTCTRL); - } else if (cpu_is_omap34xx() || cpu_is_omap44xx()) { + } else if (cpu_is_omap34xx()) { - u32 bits = (OMAP34XX_CLKSTCTRL_FORCE_SLEEP << - __ffs(clkdm->clktrctrl_mask)); + bits = (OMAP34XX_CLKSTCTRL_FORCE_SLEEP << + __ffs(clkdm->clktrctrl_mask)); - u32 v = __raw_readl(clkdm->clkstctrl_reg); + v = __raw_readl(clkdm->clkstctrl_reg); v &= ~(clkdm->clktrctrl_mask); v |= bits; __raw_writel(v, clkdm->clkstctrl_reg); + } else if (cpu_is_omap44xx()) { + + omap4_cminst_clkdm_force_sleep(clkdm->prcm_partition, + clkdm->cm_inst, + clkdm->clkdm_offs); + } else { BUG(); }; @@ -790,6 +821,8 @@ int omap2_clkdm_sleep(struct clockdomain *clkdm) */ int omap2_clkdm_wakeup(struct clockdomain *clkdm) { + u32 bits, v; + if (!clkdm) return -EINVAL; @@ -806,16 +839,22 @@ int omap2_clkdm_wakeup(struct clockdomain *clkdm) omap2_cm_clear_mod_reg_bits(OMAP24XX_FORCESTATE_MASK, clkdm->pwrdm.ptr->prcm_offs, OMAP2_PM_PWSTCTRL); - } else if (cpu_is_omap34xx() || cpu_is_omap44xx()) { + } else if (cpu_is_omap34xx()) { - u32 bits = (OMAP34XX_CLKSTCTRL_FORCE_WAKEUP << - __ffs(clkdm->clktrctrl_mask)); + bits = (OMAP34XX_CLKSTCTRL_FORCE_WAKEUP << + __ffs(clkdm->clktrctrl_mask)); - u32 v = __raw_readl(clkdm->clkstctrl_reg); + v = __raw_readl(clkdm->clkstctrl_reg); v &= ~(clkdm->clktrctrl_mask); v |= bits; __raw_writel(v, clkdm->clkstctrl_reg); + } else if (cpu_is_omap44xx()) { + + omap4_cminst_clkdm_force_wakeup(clkdm->prcm_partition, + clkdm->cm_inst, + clkdm->clkdm_offs); + } else { BUG(); }; diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c index 7fc81f6..2d3d1ef 100644 --- a/arch/arm/mach-omap2/clockdomains44xx_data.c +++ b/arch/arm/mach-omap2/clockdomains44xx_data.c @@ -34,14 +34,16 @@ #include "cm2_44xx.h" #include "cm-regbits-44xx.h" #include "prm44xx.h" +#include "prcm44xx.h" #include "prcm_mpu44xx.h" static struct clockdomain l4_cefuse_44xx_clkdm = { .name = "l4_cefuse_clkdm", .pwrdm = { .name = "cefuse_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_CEFUSE_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_CEFUSE_INST, + .clkdm_offs = OMAP4430_CM2_CEFUSE_CEFUSE_CDOFFS, .flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -49,8 +51,9 @@ static struct clockdomain l4_cefuse_44xx_clkdm = { static struct clockdomain l4_cfg_44xx_clkdm = { .name = "l4_cfg_clkdm", .pwrdm = { .name = "core_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_L4CFG_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_CORE_INST, + .clkdm_offs = OMAP4430_CM2_CORE_L4CFG_CDOFFS, .flags = CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -58,8 +61,9 @@ static struct clockdomain l4_cfg_44xx_clkdm = { static struct clockdomain tesla_44xx_clkdm = { .name = "tesla_clkdm", .pwrdm = { .name = "tesla_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_TESLA_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM1_PARTITION, + .cm_inst = OMAP4430_CM1_TESLA_INST, + .clkdm_offs = OMAP4430_CM1_TESLA_TESLA_CDOFFS, .flags = CLKDM_CAN_HWSUP_SWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -67,8 +71,9 @@ static struct clockdomain tesla_44xx_clkdm = { static struct clockdomain l3_gfx_44xx_clkdm = { .name = "l3_gfx_clkdm", .pwrdm = { .name = "gfx_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_GFX_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_GFX_INST, + .clkdm_offs = OMAP4430_CM2_GFX_GFX_CDOFFS, .flags = CLKDM_CAN_HWSUP_SWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -76,8 +81,9 @@ static struct clockdomain l3_gfx_44xx_clkdm = { static struct clockdomain ivahd_44xx_clkdm = { .name = "ivahd_clkdm", .pwrdm = { .name = "ivahd_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_IVAHD_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_IVAHD_INST, + .clkdm_offs = OMAP4430_CM2_IVAHD_IVAHD_CDOFFS, .flags = CLKDM_CAN_HWSUP_SWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -85,8 +91,9 @@ static struct clockdomain ivahd_44xx_clkdm = { static struct clockdomain l4_secure_44xx_clkdm = { .name = "l4_secure_clkdm", .pwrdm = { .name = "l4per_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_L4SEC_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_L4PER_INST, + .clkdm_offs = OMAP4430_CM2_L4PER_L4SEC_CDOFFS, .flags = CLKDM_CAN_HWSUP_SWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -94,8 +101,9 @@ static struct clockdomain l4_secure_44xx_clkdm = { static struct clockdomain l4_per_44xx_clkdm = { .name = "l4_per_clkdm", .pwrdm = { .name = "l4per_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_L4PER_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_L4PER_INST, + .clkdm_offs = OMAP4430_CM2_L4PER_L4PER_CDOFFS, .flags = CLKDM_CAN_HWSUP_SWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -103,8 +111,9 @@ static struct clockdomain l4_per_44xx_clkdm = { static struct clockdomain abe_44xx_clkdm = { .name = "abe_clkdm", .pwrdm = { .name = "abe_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM1_ABE_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM1_PARTITION, + .cm_inst = OMAP4430_CM1_ABE_INST, + .clkdm_offs = OMAP4430_CM1_ABE_ABE_CDOFFS, .flags = CLKDM_CAN_HWSUP_SWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -112,16 +121,18 @@ static struct clockdomain abe_44xx_clkdm = { static struct clockdomain l3_instr_44xx_clkdm = { .name = "l3_instr_clkdm", .pwrdm = { .name = "core_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_L3INSTR_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_CORE_INST, + .clkdm_offs = OMAP4430_CM2_CORE_L3INSTR_CDOFFS, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; static struct clockdomain l3_init_44xx_clkdm = { .name = "l3_init_clkdm", .pwrdm = { .name = "l3init_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_L3INIT_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_L3INIT_INST, + .clkdm_offs = OMAP4430_CM2_L3INIT_L3INIT_CDOFFS, .flags = CLKDM_CAN_HWSUP_SWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -129,8 +140,9 @@ static struct clockdomain l3_init_44xx_clkdm = { static struct clockdomain mpuss_44xx_clkdm = { .name = "mpuss_clkdm", .pwrdm = { .name = "mpu_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_MPU_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM1_PARTITION, + .cm_inst = OMAP4430_CM1_MPU_INST, + .clkdm_offs = OMAP4430_CM1_MPU_MPU_CDOFFS, .flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -138,8 +150,9 @@ static struct clockdomain mpuss_44xx_clkdm = { static struct clockdomain mpu0_44xx_clkdm = { .name = "mpu0_clkdm", .pwrdm = { .name = "cpu0_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_CPU0_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_PRCM_MPU_PARTITION, + .cm_inst = OMAP4430_PRCM_MPU_CPU0_INST, + .clkdm_offs = OMAP4430_PRCM_MPU_CPU0_MPU_CDOFFS, .flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -147,8 +160,9 @@ static struct clockdomain mpu0_44xx_clkdm = { static struct clockdomain mpu1_44xx_clkdm = { .name = "mpu1_clkdm", .pwrdm = { .name = "cpu1_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_CPU1_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_PRCM_MPU_PARTITION, + .cm_inst = OMAP4430_PRCM_MPU_CPU1_INST, + .clkdm_offs = OMAP4430_PRCM_MPU_CPU1_MPU_CDOFFS, .flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -156,8 +170,9 @@ static struct clockdomain mpu1_44xx_clkdm = { static struct clockdomain l3_emif_44xx_clkdm = { .name = "l3_emif_clkdm", .pwrdm = { .name = "core_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_MEMIF_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_CORE_INST, + .clkdm_offs = OMAP4430_CM2_CORE_MEMIF_CDOFFS, .flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -165,8 +180,9 @@ static struct clockdomain l3_emif_44xx_clkdm = { static struct clockdomain l4_ao_44xx_clkdm = { .name = "l4_ao_clkdm", .pwrdm = { .name = "always_on_core_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_ALWON_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_ALWAYS_ON_INST, + .clkdm_offs = OMAP4430_CM2_ALWAYS_ON_ALWON_CDOFFS, .flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -174,8 +190,9 @@ static struct clockdomain l4_ao_44xx_clkdm = { static struct clockdomain ducati_44xx_clkdm = { .name = "ducati_clkdm", .pwrdm = { .name = "core_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_DUCATI_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_CORE_INST, + .clkdm_offs = OMAP4430_CM2_CORE_DUCATI_CDOFFS, .flags = CLKDM_CAN_HWSUP_SWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -183,8 +200,9 @@ static struct clockdomain ducati_44xx_clkdm = { static struct clockdomain l3_2_44xx_clkdm = { .name = "l3_2_clkdm", .pwrdm = { .name = "core_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_L3_2_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_CORE_INST, + .clkdm_offs = OMAP4430_CM2_CORE_L3_2_CDOFFS, .flags = CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -192,8 +210,9 @@ static struct clockdomain l3_2_44xx_clkdm = { static struct clockdomain l3_1_44xx_clkdm = { .name = "l3_1_clkdm", .pwrdm = { .name = "core_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_L3_1_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_CORE_INST, + .clkdm_offs = OMAP4430_CM2_CORE_L3_1_CDOFFS, .flags = CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -201,8 +220,9 @@ static struct clockdomain l3_1_44xx_clkdm = { static struct clockdomain l3_d2d_44xx_clkdm = { .name = "l3_d2d_clkdm", .pwrdm = { .name = "core_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_D2D_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_CORE_INST, + .clkdm_offs = OMAP4430_CM2_CORE_D2D_CDOFFS, .flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -210,8 +230,9 @@ static struct clockdomain l3_d2d_44xx_clkdm = { static struct clockdomain iss_44xx_clkdm = { .name = "iss_clkdm", .pwrdm = { .name = "cam_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_CAM_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_CAM_INST, + .clkdm_offs = OMAP4430_CM2_CAM_CAM_CDOFFS, .flags = CLKDM_CAN_HWSUP_SWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -219,8 +240,9 @@ static struct clockdomain iss_44xx_clkdm = { static struct clockdomain l3_dss_44xx_clkdm = { .name = "l3_dss_clkdm", .pwrdm = { .name = "dss_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_DSS_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_DSS_INST, + .clkdm_offs = OMAP4430_CM2_DSS_DSS_CDOFFS, .flags = CLKDM_CAN_HWSUP_SWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -228,8 +250,9 @@ static struct clockdomain l3_dss_44xx_clkdm = { static struct clockdomain l4_wkup_44xx_clkdm = { .name = "l4_wkup_clkdm", .pwrdm = { .name = "wkup_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_WKUP_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_PRM_PARTITION, + .cm_inst = OMAP4430_PRM_WKUP_CM_INST, + .clkdm_offs = OMAP4430_PRM_WKUP_CM_WKUP_CDOFFS, .flags = CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -237,8 +260,9 @@ static struct clockdomain l4_wkup_44xx_clkdm = { static struct clockdomain emu_sys_44xx_clkdm = { .name = "emu_sys_clkdm", .pwrdm = { .name = "emu_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_EMU_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_PRM_PARTITION, + .cm_inst = OMAP4430_PRM_EMU_CM_INST, + .clkdm_offs = OMAP4430_PRM_EMU_CM_EMU_CDOFFS, .flags = CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; @@ -246,8 +270,9 @@ static struct clockdomain emu_sys_44xx_clkdm = { static struct clockdomain l3_dma_44xx_clkdm = { .name = "l3_dma_clkdm", .pwrdm = { .name = "core_pwrdm" }, - .clkstctrl_reg = OMAP4430_CM_SDMA_CLKSTCTRL, - .clktrctrl_mask = OMAP4430_CLKTRCTRL_MASK, + .prcm_partition = OMAP4430_CM2_PARTITION, + .cm_inst = OMAP4430_CM2_CORE_INST, + .clkdm_offs = OMAP4430_CM2_CORE_SDMA_CDOFFS, .flags = CLKDM_CAN_FORCE_WAKEUP | CLKDM_CAN_HWSUP, .omap_chip = OMAP_CHIP_INIT(CHIP_IS_OMAP4430), }; diff --git a/arch/arm/mach-omap2/cm-regbits-34xx.h b/arch/arm/mach-omap2/cm-regbits-34xx.h index cd9ff8b..b912759 100644 --- a/arch/arm/mach-omap2/cm-regbits-34xx.h +++ b/arch/arm/mach-omap2/cm-regbits-34xx.h @@ -798,4 +798,15 @@ #define OMAP3430ES2_CLKACTIVITY_USBHOST_SHIFT 0 #define OMAP3430ES2_CLKACTIVITY_USBHOST_MASK (1 << 0) +/* + * + */ + +/* OMAP3XXX CM_CLKSTCTRL_*.CLKTRCTRL_* register bit values */ +#define OMAP34XX_CLKSTCTRL_DISABLE_AUTO 0x0 +#define OMAP34XX_CLKSTCTRL_FORCE_SLEEP 0x1 +#define OMAP34XX_CLKSTCTRL_FORCE_WAKEUP 0x2 +#define OMAP34XX_CLKSTCTRL_ENABLE_AUTO 0x3 + + #endif diff --git a/arch/arm/mach-omap2/cminst44xx.c b/arch/arm/mach-omap2/cminst44xx.c index 2c0cad3..fa9d0b8 100644 --- a/arch/arm/mach-omap2/cminst44xx.c +++ b/arch/arm/mach-omap2/cminst44xx.c @@ -26,6 +26,7 @@ #include "cm2_44xx.h" #include "cm44xx.h" #include "cminst44xx.h" +#include "cm-regbits-34xx.h" #include "cm-regbits-44xx.h" #include "prcm44xx.h" #include "prm44xx.h" @@ -81,6 +82,110 @@ u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part, return v; } +/* + * + */ + +/** + * _clktrctrl_write - write @c to a CM_CLKSTCTRL.CLKTRCTRL register bitfield + * @c: CLKTRCTRL register bitfield (LSB = bit 0, i.e., unshifted) + * @part: PRCM partition ID that the CM_CLKSTCTRL register exists in + * @inst: CM instance register offset (*_INST macro) + * @cdoffs: Clockdomain register offset (*_CDOFFS macro) + * + * @c must be the unshifted value for CLKTRCTRL - i.e., this function + * will handle the shift itself. + */ +static void _clktrctrl_write(u8 c, u8 part, s16 inst, u16 cdoffs) +{ + u32 v; + + v = omap4_cminst_read_inst_reg(part, inst, cdoffs + OMAP4_CM_CLKSTCTRL); + v &= ~OMAP4430_CLKTRCTRL_MASK; + v |= c << OMAP4430_CLKTRCTRL_SHIFT; + omap4_cminst_write_inst_reg(v, part, inst, cdoffs + OMAP4_CM_CLKSTCTRL); +} + +/** + * omap4_cminst_is_clkdm_in_hwsup - is a clockdomain in hwsup idle mode? + * @part: PRCM partition ID that the CM_CLKSTCTRL register exists in + * @inst: CM instance register offset (*_INST macro) + * @cdoffs: Clockdomain register offset (*_CDOFFS macro) + * + * Returns true if the clockdomain referred to by (@part, @inst, @cdoffs) + * is in hardware-supervised idle mode, or 0 otherwise. + */ +bool omap4_cminst_is_clkdm_in_hwsup(u8 part, s16 inst, u16 cdoffs) +{ + u32 v; + + v = omap4_cminst_read_inst_reg(part, inst, cdoffs + OMAP4_CM_CLKSTCTRL); + v &= OMAP4430_CLKTRCTRL_MASK; + v >>= OMAP4430_CLKTRCTRL_SHIFT; + + return (v == OMAP34XX_CLKSTCTRL_ENABLE_AUTO) ? true : false; +} + +/** + * omap4_cminst_clkdm_enable_hwsup - put a clockdomain in hwsup-idle mode + * @part: PRCM partition ID that the clockdomain registers exist in + * @inst: CM instance register offset (*_INST macro) + * @cdoffs: Clockdomain register offset (*_CDOFFS macro) + * + * Put a clockdomain referred to by (@part, @inst, @cdoffs) into + * hardware-supervised idle mode. No return value. + */ +void omap4_cminst_clkdm_enable_hwsup(u8 part, s16 inst, u16 cdoffs) +{ + _clktrctrl_write(OMAP34XX_CLKSTCTRL_ENABLE_AUTO, part, inst, cdoffs); +} + +/** + * omap4_cminst_clkdm_disable_hwsup - put a clockdomain in swsup-idle mode + * @part: PRCM partition ID that the clockdomain registers exist in + * @inst: CM instance register offset (*_INST macro) + * @cdoffs: Clockdomain register offset (*_CDOFFS macro) + * + * Put a clockdomain referred to by (@part, @inst, @cdoffs) into + * software-supervised idle mode, i.e., controlled manually by the + * Linux OMAP clockdomain code. No return value. + */ +void omap4_cminst_clkdm_disable_hwsup(u8 part, s16 inst, u16 cdoffs) +{ + _clktrctrl_write(OMAP34XX_CLKSTCTRL_DISABLE_AUTO, part, inst, cdoffs); +} + +/** + * omap4_cminst_clkdm_force_sleep - try to put a clockdomain into idle + * @part: PRCM partition ID that the clockdomain registers exist in + * @inst: CM instance register offset (*_INST macro) + * @cdoffs: Clockdomain register offset (*_CDOFFS macro) + * + * Put a clockdomain referred to by (@part, @inst, @cdoffs) into idle + * No return value. + */ +void omap4_cminst_clkdm_force_sleep(u8 part, s16 inst, u16 cdoffs) +{ + _clktrctrl_write(OMAP34XX_CLKSTCTRL_FORCE_SLEEP, part, inst, cdoffs); +} + +/** + * omap4_cminst_clkdm_force_sleep - try to take a clockdomain out of idle + * @part: PRCM partition ID that the clockdomain registers exist in + * @inst: CM instance register offset (*_INST macro) + * @cdoffs: Clockdomain register offset (*_CDOFFS macro) + * + * Take a clockdomain referred to by (@part, @inst, @cdoffs) out of idle, + * waking it up. No return value. + */ +void omap4_cminst_clkdm_force_wakeup(u8 part, s16 inst, u16 cdoffs) +{ + _clktrctrl_write(OMAP34XX_CLKSTCTRL_FORCE_WAKEUP, part, inst, cdoffs); +} + +/* + * + */ /** * omap4_cm_wait_module_ready - wait for a module to be in 'func' state diff --git a/arch/arm/plat-omap/include/plat/clockdomain.h b/arch/arm/plat-omap/include/plat/clockdomain.h index a5f8579..ec433c3 100644 --- a/arch/arm/plat-omap/include/plat/clockdomain.h +++ b/arch/arm/plat-omap/include/plat/clockdomain.h @@ -38,12 +38,6 @@ #define OMAP24XX_CLKSTCTRL_DISABLE_AUTO 0x0 #define OMAP24XX_CLKSTCTRL_ENABLE_AUTO 0x1 -/* OMAP3XXX CM_CLKSTCTRL_*.CLKTRCTRL_* register bit values */ -#define OMAP34XX_CLKSTCTRL_DISABLE_AUTO 0x0 -#define OMAP34XX_CLKSTCTRL_FORCE_SLEEP 0x1 -#define OMAP34XX_CLKSTCTRL_FORCE_WAKEUP 0x2 -#define OMAP34XX_CLKSTCTRL_ENABLE_AUTO 0x3 - /** * struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode * @clkdm: clockdomain to add wkdep+sleepdep on - set name member only @@ -94,11 +88,20 @@ struct clkdm_dep { * @clktrctrl_mask: CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg * @flags: Clockdomain capability flags * @dep_bit: Bit shift of this clockdomain's PM_WKDEP/CM_SLEEPDEP bit + * @prcm_partition: (OMAP4 only) PRCM partition ID for this clkdm's registers + * @cm_inst: (OMAP4 only) CM instance register offset + * @clkdm_offs: (OMAP4 only) CM clockdomain register offset * @wkdep_srcs: Clockdomains that can be told to wake this powerdomain up * @sleepdep_srcs: Clockdomains that can be told to keep this clkdm from inact * @omap_chip: OMAP chip types that this clockdomain is valid on * @usecount: Usecount tracking * @node: list_head to link all clockdomains together + * + * @prcm_partition should be a macro from mach-omap2/prcm44xx.h (OMAP4 only) + * @cm_inst should be a macro ending in _INST from the OMAP4 CM instance + * definitions (OMAP4 only) + * @clkdm_offs should be a macro ending in _CDOFFS from the OMAP4 CM instance + * definitions (OMAP4 only) */ struct clockdomain { const char *name; @@ -106,10 +109,15 @@ struct clockdomain { const char *name; struct powerdomain *ptr; } pwrdm; +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) void __iomem *clkstctrl_reg; const u16 clktrctrl_mask; +#endif const u8 flags; const u8 dep_bit; + const u8 prcm_partition; + const s16 cm_inst; + const u16 clkdm_offs; struct clkdm_dep *wkdep_srcs; struct clkdm_dep *sleepdep_srcs; const struct omap_chip_id omap_chip;