[14/14] OMAP3: PRM/CM: separate CM context save/restore; remove PRM context save/restore

Message ID	20101207012517.3708.95448.stgit@twilight.localdomain (mailing list archive)
State	New, archived
Delegated to:	Paul Walmsley
Headers	show 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 oB71hwgl028169 for <patchwork-omap@patchwork.kernel.org>; Tue, 7 Dec 2010 01:44:06 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754461Ab0LGBoF (ORCPT <rfc822;patchwork-omap@patchwork.kernel.org>); Mon, 6 Dec 2010 20:44:05 -0500 Received: from utopia.booyaka.com ([72.9.107.138]:41251 "EHLO utopia.booyaka.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754348Ab0LGBoE (ORCPT <rfc822; linux-omap@vger.kernel.org>); Mon, 6 Dec 2010 20:44:04 -0500 Received: (qmail 7784 invoked by uid 1019); 7 Dec 2010 01:43:46 -0000 MBOX-Line: From nobody Mon Dec 6 18:25:18 2010 Subject: [PATCH 14/14] OMAP3: PRM/CM: separate CM context save/restore; remove PRM context save/restore To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org From: Paul Walmsley <paul@pwsan.com> Cc: Kevin Hilman <khilman@deeprootsystems.com>, Tero Kristo <tero.kristo@nokia.com>, Rajendra Nayak <rnayak@ti.com>, Kalle Jokiniemi <kalle.jokiniemi@digia.com> Date: Mon, 06 Dec 2010 18:25:18 -0700 Message-ID: <20101207012517.3708.95448.stgit@twilight.localdomain> In-Reply-To: <20101207012242.3708.45451.stgit@twilight.localdomain> References: <20101207012242.3708.45451.stgit@twilight.localdomain> User-Agent: StGit/0.15 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: <linux-omap.vger.kernel.org> 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]); Tue, 07 Dec 2010 01:44:06 +0000 (UTC)

diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.c b/arch/arm/mach-omap2/cm2xxx_3xxx.c index 5978ce4..1c98dfc 100644 --- a/arch/arm/mach-omap2/cm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/cm2xxx_3xxx.c @@ -29,7 +29,6 @@ static const u8 cm_idlest_offs[] = { CM_IDLEST1, CM_IDLEST2, OMAP2430_CM_IDLEST3 }; - u32 cm_read_mod_reg(s16 module, u16 idx) { return __raw_readl(cm_base + module + idx); @@ -97,3 +96,298 @@ int omap2_cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift) return (i < MAX_MODULE_READY_TIME) ? 0 : -EBUSY; } +/* + * Context save/restore code - OMAP3 only + */ +#ifdef CONFIG_ARCH_OMAP3 +struct omap3_cm_regs { + u32 iva2_cm_clksel1; + u32 iva2_cm_clksel2; + u32 cm_sysconfig; + u32 sgx_cm_clksel; + u32 dss_cm_clksel; + u32 cam_cm_clksel; + u32 per_cm_clksel; + u32 emu_cm_clksel; + u32 emu_cm_clkstctrl; + u32 pll_cm_autoidle2; + u32 pll_cm_clksel4; + u32 pll_cm_clksel5; + u32 pll_cm_clken2; + u32 cm_polctrl; + u32 iva2_cm_fclken; + u32 iva2_cm_clken_pll; + u32 core_cm_fclken1; + u32 core_cm_fclken3; + u32 sgx_cm_fclken; + u32 wkup_cm_fclken; + u32 dss_cm_fclken; + u32 cam_cm_fclken; + u32 per_cm_fclken; + u32 usbhost_cm_fclken; + u32 core_cm_iclken1; + u32 core_cm_iclken2; + u32 core_cm_iclken3; + u32 sgx_cm_iclken; + u32 wkup_cm_iclken; + u32 dss_cm_iclken; + u32 cam_cm_iclken; + u32 per_cm_iclken; + u32 usbhost_cm_iclken; + u32 iva2_cm_autoidle2; + u32 mpu_cm_autoidle2; + u32 iva2_cm_clkstctrl; + u32 mpu_cm_clkstctrl; + u32 core_cm_clkstctrl; + u32 sgx_cm_clkstctrl; + u32 dss_cm_clkstctrl; + u32 cam_cm_clkstctrl; + u32 per_cm_clkstctrl; + u32 neon_cm_clkstctrl; + u32 usbhost_cm_clkstctrl; + u32 core_cm_autoidle1; + u32 core_cm_autoidle2; + u32 core_cm_autoidle3; + u32 wkup_cm_autoidle; + u32 dss_cm_autoidle; + u32 cam_cm_autoidle; + u32 per_cm_autoidle; + u32 usbhost_cm_autoidle; + u32 sgx_cm_sleepdep; + u32 dss_cm_sleepdep; + u32 cam_cm_sleepdep; + u32 per_cm_sleepdep; + u32 usbhost_cm_sleepdep; + u32 cm_clkout_ctrl; +}; + +static struct omap3_cm_regs cm_context; + +void omap3_cm_save_context(void) +{ + cm_context.iva2_cm_clksel1 = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL1); + cm_context.iva2_cm_clksel2 = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL2); + cm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG); + cm_context.sgx_cm_clksel = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL); + cm_context.dss_cm_clksel = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSEL); + cm_context.cam_cm_clksel = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_CLKSEL); + cm_context.per_cm_clksel = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_CLKSEL); + cm_context.emu_cm_clksel = + cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSEL1); + cm_context.emu_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_EMU_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.pll_cm_autoidle2 = + cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE2); + cm_context.pll_cm_clksel4 = + cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL4); + cm_context.pll_cm_clksel5 = + cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5); + cm_context.pll_cm_clken2 = + cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2); + cm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL); + cm_context.iva2_cm_fclken = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_FCLKEN); + cm_context.iva2_cm_clken_pll = cm_read_mod_reg(OMAP3430_IVA2_MOD, + OMAP3430_CM_CLKEN_PLL); + cm_context.core_cm_fclken1 = + cm_read_mod_reg(CORE_MOD, CM_FCLKEN1); + cm_context.core_cm_fclken3 = + cm_read_mod_reg(CORE_MOD, OMAP3430ES2_CM_FCLKEN3); + cm_context.sgx_cm_fclken = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_FCLKEN); + cm_context.wkup_cm_fclken = + cm_read_mod_reg(WKUP_MOD, CM_FCLKEN); + cm_context.dss_cm_fclken = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_FCLKEN); + cm_context.cam_cm_fclken = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_FCLKEN); + cm_context.per_cm_fclken = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_FCLKEN); + cm_context.usbhost_cm_fclken = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN); + cm_context.core_cm_iclken1 = + cm_read_mod_reg(CORE_MOD, CM_ICLKEN1); + cm_context.core_cm_iclken2 = + cm_read_mod_reg(CORE_MOD, CM_ICLKEN2); + cm_context.core_cm_iclken3 = + cm_read_mod_reg(CORE_MOD, CM_ICLKEN3); + cm_context.sgx_cm_iclken = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_ICLKEN); + cm_context.wkup_cm_iclken = + cm_read_mod_reg(WKUP_MOD, CM_ICLKEN); + cm_context.dss_cm_iclken = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_ICLKEN); + cm_context.cam_cm_iclken = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_ICLKEN); + cm_context.per_cm_iclken = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_ICLKEN); + cm_context.usbhost_cm_iclken = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN); + cm_context.iva2_cm_autoidle2 = + cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_AUTOIDLE2); + cm_context.mpu_cm_autoidle2 = + cm_read_mod_reg(MPU_MOD, CM_AUTOIDLE2); + cm_context.iva2_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.mpu_cm_clkstctrl = + cm_read_mod_reg(MPU_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.core_cm_clkstctrl = + cm_read_mod_reg(CORE_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.sgx_cm_clkstctrl = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.dss_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.cam_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.per_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_PER_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.neon_cm_clkstctrl = + cm_read_mod_reg(OMAP3430_NEON_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.usbhost_cm_clkstctrl = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, OMAP2_CM_CLKSTCTRL); + cm_context.core_cm_autoidle1 = + cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE1); + cm_context.core_cm_autoidle2 = + cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE2); + cm_context.core_cm_autoidle3 = + cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE3); + cm_context.wkup_cm_autoidle = + cm_read_mod_reg(WKUP_MOD, CM_AUTOIDLE); + cm_context.dss_cm_autoidle = + cm_read_mod_reg(OMAP3430_DSS_MOD, CM_AUTOIDLE); + cm_context.cam_cm_autoidle = + cm_read_mod_reg(OMAP3430_CAM_MOD, CM_AUTOIDLE); + cm_context.per_cm_autoidle = + cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE); + cm_context.usbhost_cm_autoidle = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE); + cm_context.sgx_cm_sleepdep = + cm_read_mod_reg(OMAP3430ES2_SGX_MOD, OMAP3430_CM_SLEEPDEP); + cm_context.dss_cm_sleepdep = + cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP3430_CM_SLEEPDEP); + cm_context.cam_cm_sleepdep = + cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP3430_CM_SLEEPDEP); + cm_context.per_cm_sleepdep = + cm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_CM_SLEEPDEP); + cm_context.usbhost_cm_sleepdep = + cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP); + cm_context.cm_clkout_ctrl = + cm_read_mod_reg(OMAP3430_CCR_MOD, OMAP3_CM_CLKOUT_CTRL_OFFSET); +} + +void omap3_cm_restore_context(void) +{ + cm_write_mod_reg(cm_context.iva2_cm_clksel1, OMAP3430_IVA2_MOD, + CM_CLKSEL1); + cm_write_mod_reg(cm_context.iva2_cm_clksel2, OMAP3430_IVA2_MOD, + CM_CLKSEL2); + __raw_writel(cm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG); + cm_write_mod_reg(cm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD, + CM_CLKSEL); + cm_write_mod_reg(cm_context.dss_cm_clksel, OMAP3430_DSS_MOD, + CM_CLKSEL); + cm_write_mod_reg(cm_context.cam_cm_clksel, OMAP3430_CAM_MOD, + CM_CLKSEL); + cm_write_mod_reg(cm_context.per_cm_clksel, OMAP3430_PER_MOD, + CM_CLKSEL); + cm_write_mod_reg(cm_context.emu_cm_clksel, OMAP3430_EMU_MOD, + CM_CLKSEL1); + cm_write_mod_reg(cm_context.emu_cm_clkstctrl, OMAP3430_EMU_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.pll_cm_autoidle2, PLL_MOD, + CM_AUTOIDLE2); + cm_write_mod_reg(cm_context.pll_cm_clksel4, PLL_MOD, + OMAP3430ES2_CM_CLKSEL4); + cm_write_mod_reg(cm_context.pll_cm_clksel5, PLL_MOD, + OMAP3430ES2_CM_CLKSEL5); + cm_write_mod_reg(cm_context.pll_cm_clken2, PLL_MOD, + OMAP3430ES2_CM_CLKEN2); + __raw_writel(cm_context.cm_polctrl, OMAP3430_CM_POLCTRL); + cm_write_mod_reg(cm_context.iva2_cm_fclken, OMAP3430_IVA2_MOD, + CM_FCLKEN); + cm_write_mod_reg(cm_context.iva2_cm_clken_pll, OMAP3430_IVA2_MOD, + OMAP3430_CM_CLKEN_PLL); + cm_write_mod_reg(cm_context.core_cm_fclken1, CORE_MOD, CM_FCLKEN1); + cm_write_mod_reg(cm_context.core_cm_fclken3, CORE_MOD, + OMAP3430ES2_CM_FCLKEN3); + cm_write_mod_reg(cm_context.sgx_cm_fclken, OMAP3430ES2_SGX_MOD, + CM_FCLKEN); + cm_write_mod_reg(cm_context.wkup_cm_fclken, WKUP_MOD, CM_FCLKEN); + cm_write_mod_reg(cm_context.dss_cm_fclken, OMAP3430_DSS_MOD, + CM_FCLKEN); + cm_write_mod_reg(cm_context.cam_cm_fclken, OMAP3430_CAM_MOD, + CM_FCLKEN); + cm_write_mod_reg(cm_context.per_cm_fclken, OMAP3430_PER_MOD, + CM_FCLKEN); + cm_write_mod_reg(cm_context.usbhost_cm_fclken, + OMAP3430ES2_USBHOST_MOD, CM_FCLKEN); + cm_write_mod_reg(cm_context.core_cm_iclken1, CORE_MOD, CM_ICLKEN1); + cm_write_mod_reg(cm_context.core_cm_iclken2, CORE_MOD, CM_ICLKEN2); + cm_write_mod_reg(cm_context.core_cm_iclken3, CORE_MOD, CM_ICLKEN3); + cm_write_mod_reg(cm_context.sgx_cm_iclken, OMAP3430ES2_SGX_MOD, + CM_ICLKEN); + cm_write_mod_reg(cm_context.wkup_cm_iclken, WKUP_MOD, CM_ICLKEN); + cm_write_mod_reg(cm_context.dss_cm_iclken, OMAP3430_DSS_MOD, + CM_ICLKEN); + cm_write_mod_reg(cm_context.cam_cm_iclken, OMAP3430_CAM_MOD, + CM_ICLKEN); + cm_write_mod_reg(cm_context.per_cm_iclken, OMAP3430_PER_MOD, + CM_ICLKEN); + cm_write_mod_reg(cm_context.usbhost_cm_iclken, + OMAP3430ES2_USBHOST_MOD, CM_ICLKEN); + cm_write_mod_reg(cm_context.iva2_cm_autoidle2, OMAP3430_IVA2_MOD, + CM_AUTOIDLE2); + cm_write_mod_reg(cm_context.mpu_cm_autoidle2, MPU_MOD, CM_AUTOIDLE2); + cm_write_mod_reg(cm_context.iva2_cm_clkstctrl, OMAP3430_IVA2_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.mpu_cm_clkstctrl, MPU_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.core_cm_clkstctrl, CORE_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.sgx_cm_clkstctrl, OMAP3430ES2_SGX_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.dss_cm_clkstctrl, OMAP3430_DSS_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.cam_cm_clkstctrl, OMAP3430_CAM_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.per_cm_clkstctrl, OMAP3430_PER_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.neon_cm_clkstctrl, OMAP3430_NEON_MOD, + OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.usbhost_cm_clkstctrl, + OMAP3430ES2_USBHOST_MOD, OMAP2_CM_CLKSTCTRL); + cm_write_mod_reg(cm_context.core_cm_autoidle1, CORE_MOD, + CM_AUTOIDLE1); + cm_write_mod_reg(cm_context.core_cm_autoidle2, CORE_MOD, + CM_AUTOIDLE2); + cm_write_mod_reg(cm_context.core_cm_autoidle3, CORE_MOD, + CM_AUTOIDLE3); + cm_write_mod_reg(cm_context.wkup_cm_autoidle, WKUP_MOD, CM_AUTOIDLE); + cm_write_mod_reg(cm_context.dss_cm_autoidle, OMAP3430_DSS_MOD, + CM_AUTOIDLE); + cm_write_mod_reg(cm_context.cam_cm_autoidle, OMAP3430_CAM_MOD, + CM_AUTOIDLE); + cm_write_mod_reg(cm_context.per_cm_autoidle, OMAP3430_PER_MOD, + CM_AUTOIDLE); + cm_write_mod_reg(cm_context.usbhost_cm_autoidle, + OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE); + cm_write_mod_reg(cm_context.sgx_cm_sleepdep, OMAP3430ES2_SGX_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(cm_context.dss_cm_sleepdep, OMAP3430_DSS_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(cm_context.cam_cm_sleepdep, OMAP3430_CAM_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(cm_context.per_cm_sleepdep, OMAP3430_PER_MOD, + OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(cm_context.usbhost_cm_sleepdep, + OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP); + cm_write_mod_reg(cm_context.cm_clkout_ctrl, OMAP3430_CCR_MOD, + OMAP3_CM_CLKOUT_CTRL_OFFSET); +} +#endif diff --git a/arch/arm/mach-omap2/cm2xxx_3xxx.h b/arch/arm/mach-omap2/cm2xxx_3xxx.h index 5e57211..ce2582c1 100644 --- a/arch/arm/mach-omap2/cm2xxx_3xxx.h +++ b/arch/arm/mach-omap2/cm2xxx_3xxx.h @@ -128,4 +128,11 @@ extern u32 cm_clear_mod_reg_bits(u32 bits, s16 module, s16 idx); /* CM_IDLEST_GFX */ #define OMAP_ST_GFX_MASK (1 << 0) + +/* Function prototypes */ +# ifndef __ASSEMBLER__ +extern void omap3_cm_save_context(void); +extern void omap3_cm_restore_context(void); +# endif + #endif diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index 0d73d75..a776241 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -407,7 +407,7 @@ void omap_sram_idle(void) omap_uart_prepare_idle(1); if (core_next_state == PWRDM_POWER_OFF) { omap3_core_save_context(); - omap3_prcm_save_context(); + omap3_cm_save_context(); } } @@ -447,7 +447,7 @@ void omap_sram_idle(void) core_prev_state = pwrdm_read_prev_pwrst(core_pwrdm); if (core_prev_state == PWRDM_POWER_OFF) { omap3_core_restore_context(); - omap3_prcm_restore_context(); + omap3_cm_restore_context(); omap3_sram_restore_context(); omap2_sms_restore_context(); } diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index 171c710..dd95cbb 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -43,85 +43,6 @@ void __iomem *cm2_base; #define MAX_MODULE_ENABLE_WAIT 100000 -struct omap3_prcm_regs { - u32 iva2_cm_clksel1; - u32 iva2_cm_clksel2; - u32 cm_sysconfig; - u32 sgx_cm_clksel; - u32 dss_cm_clksel; - u32 cam_cm_clksel; - u32 per_cm_clksel; - u32 emu_cm_clksel; - u32 emu_cm_clkstctrl; - u32 pll_cm_autoidle2; - u32 pll_cm_clksel4; - u32 pll_cm_clksel5; - u32 pll_cm_clken2; - u32 cm_polctrl; - u32 iva2_cm_fclken; - u32 iva2_cm_clken_pll; - u32 core_cm_fclken1; - u32 core_cm_fclken3; - u32 sgx_cm_fclken; - u32 wkup_cm_fclken; - u32 dss_cm_fclken; - u32 cam_cm_fclken; - u32 per_cm_fclken; - u32 usbhost_cm_fclken; - u32 core_cm_iclken1; - u32 core_cm_iclken2; - u32 core_cm_iclken3; - u32 sgx_cm_iclken; - u32 wkup_cm_iclken; - u32 dss_cm_iclken; - u32 cam_cm_iclken; - u32 per_cm_iclken; - u32 usbhost_cm_iclken; - u32 iva2_cm_autiidle2; - u32 mpu_cm_autoidle2; - u32 iva2_cm_clkstctrl; - u32 mpu_cm_clkstctrl; - u32 core_cm_clkstctrl; - u32 sgx_cm_clkstctrl; - u32 dss_cm_clkstctrl; - u32 cam_cm_clkstctrl; - u32 per_cm_clkstctrl; - u32 neon_cm_clkstctrl; - u32 usbhost_cm_clkstctrl; - u32 core_cm_autoidle1; - u32 core_cm_autoidle2; - u32 core_cm_autoidle3; - u32 wkup_cm_autoidle; - u32 dss_cm_autoidle; - u32 cam_cm_autoidle; - u32 per_cm_autoidle; - u32 usbhost_cm_autoidle; - u32 sgx_cm_sleepdep; - u32 dss_cm_sleepdep; - u32 cam_cm_sleepdep; - u32 per_cm_sleepdep; - u32 usbhost_cm_sleepdep; - u32 cm_clkout_ctrl; - u32 prm_clkout_ctrl; - u32 sgx_pm_wkdep; - u32 dss_pm_wkdep; - u32 cam_pm_wkdep; - u32 per_pm_wkdep; - u32 neon_pm_wkdep; - u32 usbhost_pm_wkdep; - u32 core_pm_mpugrpsel1; - u32 iva2_pm_ivagrpsel1; - u32 core_pm_mpugrpsel3; - u32 core_pm_ivagrpsel3; - u32 wkup_pm_mpugrpsel; - u32 wkup_pm_ivagrpsel; - u32 per_pm_mpugrpsel; - u32 per_pm_ivagrpsel; - u32 wkup_pm_wken; -}; - -static struct omap3_prcm_regs prcm_context; - u32 omap_prcm_get_reset_sources(void) { /* XXX This presumably needs modification for 34XX */ @@ -238,299 +159,3 @@ void __init omap2_set_globals_prcm(struct omap_globals *omap2_globals) WARN_ON(!cm2_base); } } - -#ifdef CONFIG_ARCH_OMAP3 -void omap3_prcm_save_context(void) -{ - prcm_context.iva2_cm_clksel1 = - cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL1); - prcm_context.iva2_cm_clksel2 = - cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_CLKSEL2); - prcm_context.cm_sysconfig = __raw_readl(OMAP3430_CM_SYSCONFIG); - prcm_context.sgx_cm_clksel = - cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_CLKSEL); - prcm_context.dss_cm_clksel = - cm_read_mod_reg(OMAP3430_DSS_MOD, CM_CLKSEL); - prcm_context.cam_cm_clksel = - cm_read_mod_reg(OMAP3430_CAM_MOD, CM_CLKSEL); - prcm_context.per_cm_clksel = - cm_read_mod_reg(OMAP3430_PER_MOD, CM_CLKSEL); - prcm_context.emu_cm_clksel = - cm_read_mod_reg(OMAP3430_EMU_MOD, CM_CLKSEL1); - prcm_context.emu_cm_clkstctrl = - cm_read_mod_reg(OMAP3430_EMU_MOD, OMAP2_CM_CLKSTCTRL); - prcm_context.pll_cm_autoidle2 = - cm_read_mod_reg(PLL_MOD, CM_AUTOIDLE2); - prcm_context.pll_cm_clksel4 = - cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL4); - prcm_context.pll_cm_clksel5 = - cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKSEL5); - prcm_context.pll_cm_clken2 = - cm_read_mod_reg(PLL_MOD, OMAP3430ES2_CM_CLKEN2); - prcm_context.cm_polctrl = __raw_readl(OMAP3430_CM_POLCTRL); - prcm_context.iva2_cm_fclken = - cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_FCLKEN); - prcm_context.iva2_cm_clken_pll = cm_read_mod_reg(OMAP3430_IVA2_MOD, - OMAP3430_CM_CLKEN_PLL); - prcm_context.core_cm_fclken1 = - cm_read_mod_reg(CORE_MOD, CM_FCLKEN1); - prcm_context.core_cm_fclken3 = - cm_read_mod_reg(CORE_MOD, OMAP3430ES2_CM_FCLKEN3); - prcm_context.sgx_cm_fclken = - cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_FCLKEN); - prcm_context.wkup_cm_fclken = - cm_read_mod_reg(WKUP_MOD, CM_FCLKEN); - prcm_context.dss_cm_fclken = - cm_read_mod_reg(OMAP3430_DSS_MOD, CM_FCLKEN); - prcm_context.cam_cm_fclken = - cm_read_mod_reg(OMAP3430_CAM_MOD, CM_FCLKEN); - prcm_context.per_cm_fclken = - cm_read_mod_reg(OMAP3430_PER_MOD, CM_FCLKEN); - prcm_context.usbhost_cm_fclken = - cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_FCLKEN); - prcm_context.core_cm_iclken1 = - cm_read_mod_reg(CORE_MOD, CM_ICLKEN1); - prcm_context.core_cm_iclken2 = - cm_read_mod_reg(CORE_MOD, CM_ICLKEN2); - prcm_context.core_cm_iclken3 = - cm_read_mod_reg(CORE_MOD, CM_ICLKEN3); - prcm_context.sgx_cm_iclken = - cm_read_mod_reg(OMAP3430ES2_SGX_MOD, CM_ICLKEN); - prcm_context.wkup_cm_iclken = - cm_read_mod_reg(WKUP_MOD, CM_ICLKEN); - prcm_context.dss_cm_iclken = - cm_read_mod_reg(OMAP3430_DSS_MOD, CM_ICLKEN); - prcm_context.cam_cm_iclken = - cm_read_mod_reg(OMAP3430_CAM_MOD, CM_ICLKEN); - prcm_context.per_cm_iclken = - cm_read_mod_reg(OMAP3430_PER_MOD, CM_ICLKEN); - prcm_context.usbhost_cm_iclken = - cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_ICLKEN); - prcm_context.iva2_cm_autiidle2 = - cm_read_mod_reg(OMAP3430_IVA2_MOD, CM_AUTOIDLE2); - prcm_context.mpu_cm_autoidle2 = - cm_read_mod_reg(MPU_MOD, CM_AUTOIDLE2); - prcm_context.iva2_cm_clkstctrl = - cm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP2_CM_CLKSTCTRL); - prcm_context.mpu_cm_clkstctrl = - cm_read_mod_reg(MPU_MOD, OMAP2_CM_CLKSTCTRL); - prcm_context.core_cm_clkstctrl = - cm_read_mod_reg(CORE_MOD, OMAP2_CM_CLKSTCTRL); - prcm_context.sgx_cm_clkstctrl = - cm_read_mod_reg(OMAP3430ES2_SGX_MOD, - OMAP2_CM_CLKSTCTRL); - prcm_context.dss_cm_clkstctrl = - cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP2_CM_CLKSTCTRL); - prcm_context.cam_cm_clkstctrl = - cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP2_CM_CLKSTCTRL); - prcm_context.per_cm_clkstctrl = - cm_read_mod_reg(OMAP3430_PER_MOD, OMAP2_CM_CLKSTCTRL); - prcm_context.neon_cm_clkstctrl = - cm_read_mod_reg(OMAP3430_NEON_MOD, OMAP2_CM_CLKSTCTRL); - prcm_context.usbhost_cm_clkstctrl = - cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, - OMAP2_CM_CLKSTCTRL); - prcm_context.core_cm_autoidle1 = - cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE1); - prcm_context.core_cm_autoidle2 = - cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE2); - prcm_context.core_cm_autoidle3 = - cm_read_mod_reg(CORE_MOD, CM_AUTOIDLE3); - prcm_context.wkup_cm_autoidle = - cm_read_mod_reg(WKUP_MOD, CM_AUTOIDLE); - prcm_context.dss_cm_autoidle = - cm_read_mod_reg(OMAP3430_DSS_MOD, CM_AUTOIDLE); - prcm_context.cam_cm_autoidle = - cm_read_mod_reg(OMAP3430_CAM_MOD, CM_AUTOIDLE); - prcm_context.per_cm_autoidle = - cm_read_mod_reg(OMAP3430_PER_MOD, CM_AUTOIDLE); - prcm_context.usbhost_cm_autoidle = - cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE); - prcm_context.sgx_cm_sleepdep = - cm_read_mod_reg(OMAP3430ES2_SGX_MOD, OMAP3430_CM_SLEEPDEP); - prcm_context.dss_cm_sleepdep = - cm_read_mod_reg(OMAP3430_DSS_MOD, OMAP3430_CM_SLEEPDEP); - prcm_context.cam_cm_sleepdep = - cm_read_mod_reg(OMAP3430_CAM_MOD, OMAP3430_CM_SLEEPDEP); - prcm_context.per_cm_sleepdep = - cm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_CM_SLEEPDEP); - prcm_context.usbhost_cm_sleepdep = - cm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP); - prcm_context.cm_clkout_ctrl = cm_read_mod_reg(OMAP3430_CCR_MOD, - OMAP3_CM_CLKOUT_CTRL_OFFSET); - prcm_context.prm_clkout_ctrl = prm_read_mod_reg(OMAP3430_CCR_MOD, - OMAP3_PRM_CLKOUT_CTRL_OFFSET); - prcm_context.sgx_pm_wkdep = - prm_read_mod_reg(OMAP3430ES2_SGX_MOD, PM_WKDEP); - prcm_context.dss_pm_wkdep = - prm_read_mod_reg(OMAP3430_DSS_MOD, PM_WKDEP); - prcm_context.cam_pm_wkdep = - prm_read_mod_reg(OMAP3430_CAM_MOD, PM_WKDEP); - prcm_context.per_pm_wkdep = - prm_read_mod_reg(OMAP3430_PER_MOD, PM_WKDEP); - prcm_context.neon_pm_wkdep = - prm_read_mod_reg(OMAP3430_NEON_MOD, PM_WKDEP); - prcm_context.usbhost_pm_wkdep = - prm_read_mod_reg(OMAP3430ES2_USBHOST_MOD, PM_WKDEP); - prcm_context.core_pm_mpugrpsel1 = - prm_read_mod_reg(CORE_MOD, OMAP3430_PM_MPUGRPSEL1); - prcm_context.iva2_pm_ivagrpsel1 = - prm_read_mod_reg(OMAP3430_IVA2_MOD, OMAP3430_PM_IVAGRPSEL1); - prcm_context.core_pm_mpugrpsel3 = - prm_read_mod_reg(CORE_MOD, OMAP3430ES2_PM_MPUGRPSEL3); - prcm_context.core_pm_ivagrpsel3 = - prm_read_mod_reg(CORE_MOD, OMAP3430ES2_PM_IVAGRPSEL3); - prcm_context.wkup_pm_mpugrpsel = - prm_read_mod_reg(WKUP_MOD, OMAP3430_PM_MPUGRPSEL); - prcm_context.wkup_pm_ivagrpsel = - prm_read_mod_reg(WKUP_MOD, OMAP3430_PM_IVAGRPSEL); - prcm_context.per_pm_mpugrpsel = - prm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_PM_MPUGRPSEL); - prcm_context.per_pm_ivagrpsel = - prm_read_mod_reg(OMAP3430_PER_MOD, OMAP3430_PM_IVAGRPSEL); - prcm_context.wkup_pm_wken = prm_read_mod_reg(WKUP_MOD, PM_WKEN); - return; -} - -void omap3_prcm_restore_context(void) -{ - cm_write_mod_reg(prcm_context.iva2_cm_clksel1, OMAP3430_IVA2_MOD, - CM_CLKSEL1); - cm_write_mod_reg(prcm_context.iva2_cm_clksel2, OMAP3430_IVA2_MOD, - CM_CLKSEL2); - __raw_writel(prcm_context.cm_sysconfig, OMAP3430_CM_SYSCONFIG); - cm_write_mod_reg(prcm_context.sgx_cm_clksel, OMAP3430ES2_SGX_MOD, - CM_CLKSEL); - cm_write_mod_reg(prcm_context.dss_cm_clksel, OMAP3430_DSS_MOD, - CM_CLKSEL); - cm_write_mod_reg(prcm_context.cam_cm_clksel, OMAP3430_CAM_MOD, - CM_CLKSEL); - cm_write_mod_reg(prcm_context.per_cm_clksel, OMAP3430_PER_MOD, - CM_CLKSEL); - cm_write_mod_reg(prcm_context.emu_cm_clksel, OMAP3430_EMU_MOD, - CM_CLKSEL1); - cm_write_mod_reg(prcm_context.emu_cm_clkstctrl, OMAP3430_EMU_MOD, - OMAP2_CM_CLKSTCTRL); - cm_write_mod_reg(prcm_context.pll_cm_autoidle2, PLL_MOD, - CM_AUTOIDLE2); - cm_write_mod_reg(prcm_context.pll_cm_clksel4, PLL_MOD, - OMAP3430ES2_CM_CLKSEL4); - cm_write_mod_reg(prcm_context.pll_cm_clksel5, PLL_MOD, - OMAP3430ES2_CM_CLKSEL5); - cm_write_mod_reg(prcm_context.pll_cm_clken2, PLL_MOD, - OMAP3430ES2_CM_CLKEN2); - __raw_writel(prcm_context.cm_polctrl, OMAP3430_CM_POLCTRL); - cm_write_mod_reg(prcm_context.iva2_cm_fclken, OMAP3430_IVA2_MOD, - CM_FCLKEN); - cm_write_mod_reg(prcm_context.iva2_cm_clken_pll, OMAP3430_IVA2_MOD, - OMAP3430_CM_CLKEN_PLL); - cm_write_mod_reg(prcm_context.core_cm_fclken1, CORE_MOD, CM_FCLKEN1); - cm_write_mod_reg(prcm_context.core_cm_fclken3, CORE_MOD, - OMAP3430ES2_CM_FCLKEN3); - cm_write_mod_reg(prcm_context.sgx_cm_fclken, OMAP3430ES2_SGX_MOD, - CM_FCLKEN); - cm_write_mod_reg(prcm_context.wkup_cm_fclken, WKUP_MOD, CM_FCLKEN); - cm_write_mod_reg(prcm_context.dss_cm_fclken, OMAP3430_DSS_MOD, - CM_FCLKEN); - cm_write_mod_reg(prcm_context.cam_cm_fclken, OMAP3430_CAM_MOD, - CM_FCLKEN); - cm_write_mod_reg(prcm_context.per_cm_fclken, OMAP3430_PER_MOD, - CM_FCLKEN); - cm_write_mod_reg(prcm_context.usbhost_cm_fclken, - OMAP3430ES2_USBHOST_MOD, CM_FCLKEN); - cm_write_mod_reg(prcm_context.core_cm_iclken1, CORE_MOD, CM_ICLKEN1); - cm_write_mod_reg(prcm_context.core_cm_iclken2, CORE_MOD, CM_ICLKEN2); - cm_write_mod_reg(prcm_context.core_cm_iclken3, CORE_MOD, CM_ICLKEN3); - cm_write_mod_reg(prcm_context.sgx_cm_iclken, OMAP3430ES2_SGX_MOD, - CM_ICLKEN); - cm_write_mod_reg(prcm_context.wkup_cm_iclken, WKUP_MOD, CM_ICLKEN); - cm_write_mod_reg(prcm_context.dss_cm_iclken, OMAP3430_DSS_MOD, - CM_ICLKEN); - cm_write_mod_reg(prcm_context.cam_cm_iclken, OMAP3430_CAM_MOD, - CM_ICLKEN); - cm_write_mod_reg(prcm_context.per_cm_iclken, OMAP3430_PER_MOD, - CM_ICLKEN); - cm_write_mod_reg(prcm_context.usbhost_cm_iclken, - OMAP3430ES2_USBHOST_MOD, CM_ICLKEN); - cm_write_mod_reg(prcm_context.iva2_cm_autiidle2, OMAP3430_IVA2_MOD, - CM_AUTOIDLE2); - cm_write_mod_reg(prcm_context.mpu_cm_autoidle2, MPU_MOD, CM_AUTOIDLE2); - cm_write_mod_reg(prcm_context.iva2_cm_clkstctrl, OMAP3430_IVA2_MOD, - OMAP2_CM_CLKSTCTRL); - cm_write_mod_reg(prcm_context.mpu_cm_clkstctrl, MPU_MOD, - OMAP2_CM_CLKSTCTRL); - cm_write_mod_reg(prcm_context.core_cm_clkstctrl, CORE_MOD, - OMAP2_CM_CLKSTCTRL); - cm_write_mod_reg(prcm_context.sgx_cm_clkstctrl, OMAP3430ES2_SGX_MOD, - OMAP2_CM_CLKSTCTRL); - cm_write_mod_reg(prcm_context.dss_cm_clkstctrl, OMAP3430_DSS_MOD, - OMAP2_CM_CLKSTCTRL); - cm_write_mod_reg(prcm_context.cam_cm_clkstctrl, OMAP3430_CAM_MOD, - OMAP2_CM_CLKSTCTRL); - cm_write_mod_reg(prcm_context.per_cm_clkstctrl, OMAP3430_PER_MOD, - OMAP2_CM_CLKSTCTRL); - cm_write_mod_reg(prcm_context.neon_cm_clkstctrl, OMAP3430_NEON_MOD, - OMAP2_CM_CLKSTCTRL); - cm_write_mod_reg(prcm_context.usbhost_cm_clkstctrl, - OMAP3430ES2_USBHOST_MOD, OMAP2_CM_CLKSTCTRL); - cm_write_mod_reg(prcm_context.core_cm_autoidle1, CORE_MOD, - CM_AUTOIDLE1); - cm_write_mod_reg(prcm_context.core_cm_autoidle2, CORE_MOD, - CM_AUTOIDLE2); - cm_write_mod_reg(prcm_context.core_cm_autoidle3, CORE_MOD, - CM_AUTOIDLE3); - cm_write_mod_reg(prcm_context.wkup_cm_autoidle, WKUP_MOD, CM_AUTOIDLE); - cm_write_mod_reg(prcm_context.dss_cm_autoidle, OMAP3430_DSS_MOD, - CM_AUTOIDLE); - cm_write_mod_reg(prcm_context.cam_cm_autoidle, OMAP3430_CAM_MOD, - CM_AUTOIDLE); - cm_write_mod_reg(prcm_context.per_cm_autoidle, OMAP3430_PER_MOD, - CM_AUTOIDLE); - cm_write_mod_reg(prcm_context.usbhost_cm_autoidle, - OMAP3430ES2_USBHOST_MOD, CM_AUTOIDLE); - cm_write_mod_reg(prcm_context.sgx_cm_sleepdep, OMAP3430ES2_SGX_MOD, - OMAP3430_CM_SLEEPDEP); - cm_write_mod_reg(prcm_context.dss_cm_sleepdep, OMAP3430_DSS_MOD, - OMAP3430_CM_SLEEPDEP); - cm_write_mod_reg(prcm_context.cam_cm_sleepdep, OMAP3430_CAM_MOD, - OMAP3430_CM_SLEEPDEP); - cm_write_mod_reg(prcm_context.per_cm_sleepdep, OMAP3430_PER_MOD, - OMAP3430_CM_SLEEPDEP); - cm_write_mod_reg(prcm_context.usbhost_cm_sleepdep, - OMAP3430ES2_USBHOST_MOD, OMAP3430_CM_SLEEPDEP); - cm_write_mod_reg(prcm_context.cm_clkout_ctrl, OMAP3430_CCR_MOD, - OMAP3_CM_CLKOUT_CTRL_OFFSET); - prm_write_mod_reg(prcm_context.prm_clkout_ctrl, OMAP3430_CCR_MOD, - OMAP3_PRM_CLKOUT_CTRL_OFFSET); - prm_write_mod_reg(prcm_context.sgx_pm_wkdep, OMAP3430ES2_SGX_MOD, - PM_WKDEP); - prm_write_mod_reg(prcm_context.dss_pm_wkdep, OMAP3430_DSS_MOD, - PM_WKDEP); - prm_write_mod_reg(prcm_context.cam_pm_wkdep, OMAP3430_CAM_MOD, - PM_WKDEP); - prm_write_mod_reg(prcm_context.per_pm_wkdep, OMAP3430_PER_MOD, - PM_WKDEP); - prm_write_mod_reg(prcm_context.neon_pm_wkdep, OMAP3430_NEON_MOD, - PM_WKDEP); - prm_write_mod_reg(prcm_context.usbhost_pm_wkdep, - OMAP3430ES2_USBHOST_MOD, PM_WKDEP); - prm_write_mod_reg(prcm_context.core_pm_mpugrpsel1, CORE_MOD, - OMAP3430_PM_MPUGRPSEL1); - prm_write_mod_reg(prcm_context.iva2_pm_ivagrpsel1, OMAP3430_IVA2_MOD, - OMAP3430_PM_IVAGRPSEL1); - prm_write_mod_reg(prcm_context.core_pm_mpugrpsel3, CORE_MOD, - OMAP3430ES2_PM_MPUGRPSEL3); - prm_write_mod_reg(prcm_context.core_pm_ivagrpsel3, CORE_MOD, - OMAP3430ES2_PM_IVAGRPSEL3); - prm_write_mod_reg(prcm_context.wkup_pm_mpugrpsel, WKUP_MOD, - OMAP3430_PM_MPUGRPSEL); - prm_write_mod_reg(prcm_context.wkup_pm_ivagrpsel, WKUP_MOD, - OMAP3430_PM_IVAGRPSEL); - prm_write_mod_reg(prcm_context.per_pm_mpugrpsel, OMAP3430_PER_MOD, - OMAP3430_PM_MPUGRPSEL); - prm_write_mod_reg(prcm_context.per_pm_ivagrpsel, OMAP3430_PER_MOD, - OMAP3430_PM_IVAGRPSEL); - prm_write_mod_reg(prcm_context.wkup_pm_wken, WKUP_MOD, PM_WKEN); - return; -} -#endif diff --git a/arch/arm/mach-omap2/prm2xxx_3xxx.c b/arch/arm/mach-omap2/prm2xxx_3xxx.c index 064b52a..3e1d36c 100644 --- a/arch/arm/mach-omap2/prm2xxx_3xxx.c +++ b/arch/arm/mach-omap2/prm2xxx_3xxx.c @@ -154,4 +154,3 @@ int omap2_prm_deassert_hardreset(s16 prm_mod, u8 shift) return (c == MAX_MODULE_HARDRESET_WAIT) ? -EBUSY : 0; } - diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h index 3769fc6..d059a05 100644 --- a/arch/arm/plat-omap/include/plat/prcm.h +++ b/arch/arm/plat-omap/include/plat/prcm.h @@ -31,9 +31,6 @@ int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest, #define START_PADCONF_SAVE 0x2 #define PADCONF_SAVE_DONE 0x1 -void omap3_prcm_save_context(void); -void omap3_prcm_restore_context(void); - u32 omap4_prm_read_bits_shift(void __iomem *reg, u32 mask); u32 omap4_prm_rmw_reg_bits(u32 mask, u32 bits, void __iomem *reg);

[14/14] OMAP3: PRM/CM: separate CM context save/restore; remove PRM context save/restore

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