From patchwork Tue Dec 1 12:27:25 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rajendra Nayak X-Patchwork-Id: 63926 X-Patchwork-Delegate: paul@pwsan.com Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id nB1CQMSV023974 for ; Tue, 1 Dec 2009 12:27:42 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753579AbZLAM1f (ORCPT ); Tue, 1 Dec 2009 07:27:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753490AbZLAM1f (ORCPT ); Tue, 1 Dec 2009 07:27:35 -0500 Received: from devils.ext.ti.com ([198.47.26.153]:50262 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753231AbZLAM1d (ORCPT ); Tue, 1 Dec 2009 07:27:33 -0500 Received: from dbdp31.itg.ti.com ([172.24.170.98]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id nB1CRUg6025114 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Tue, 1 Dec 2009 06:27:33 -0600 Received: from linfarm476.india.ti.com (localhost [127.0.0.1]) by dbdp31.itg.ti.com (8.13.8/8.13.8) with ESMTP id nB1CRSAb025721; Tue, 1 Dec 2009 17:57:28 +0530 (IST) Received: from linfarm476.india.ti.com (localhost [127.0.0.1]) by linfarm476.india.ti.com (8.12.11/8.12.11) with ESMTP id nB1CRS20019880; Tue, 1 Dec 2009 17:57:28 +0530 Received: (from x0016154@localhost) by linfarm476.india.ti.com (8.12.11/8.12.11/Submit) id nB1CRSXT019878; Tue, 1 Dec 2009 17:57:28 +0530 From: Rajendra Nayak To: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Rajendra Nayak , Paul Walmsley , Benoit Cousson Subject: [PATCH 2/5] ARM: OMAP4: PM: Basic OMAP4 clock framework Date: Tue, 1 Dec 2009 17:57:25 +0530 Message-Id: <1259670448-19840-2-git-send-email-rnayak@ti.com> X-Mailer: git-send-email 1.5.5 In-Reply-To: <1259670448-19840-1-git-send-email-rnayak@ti.com> References: <1259670448-19840-1-git-send-email-rnayak@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 8cb1677..229dac7 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -3,11 +3,12 @@ # # Common support -obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o +obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer-gp.o prcm.o \ + clock.o omap-2-3-common = irq.o sdrc.o omap_hwmod.o -prcm-common = prcm.o powerdomain.o -clock-common = clock.o clockdomain.o +prcm-common = powerdomain.o +clock-common = clockdomain.o obj-$(CONFIG_ARCH_OMAP2) += $(omap-2-3-common) $(prcm-common) $(clock-common) obj-$(CONFIG_ARCH_OMAP3) += $(omap-2-3-common) $(prcm-common) $(clock-common) @@ -43,6 +44,7 @@ obj-$(CONFIG_ARCH_OMAP4) += cm4xxx.o # Clock framework obj-$(CONFIG_ARCH_OMAP2) += clock24xx.o obj-$(CONFIG_ARCH_OMAP3) += clock34xx.o +obj-$(CONFIG_ARCH_OMAP4) += clock44xx.o iommu-y += iommu2.o iommu-$(CONFIG_ARCH_OMAP3) += omap3-iommu.o diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index f2a92d6..adf1a78 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -149,6 +149,7 @@ static int _dpll_test_fint(struct clk *clk, u8 n) * clockdomain pointer, and save it into the struct clk. Intended to be * called during clk_register(). No return value. */ +#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdm f/w is in place */ void omap2_init_clk_clkdm(struct clk *clk) { struct clockdomain *clkdm; @@ -166,6 +167,7 @@ void omap2_init_clk_clkdm(struct clk *clk) "clkdm %s\n", clk->name, clk->clkdm_name); } } +#endif /** * omap2_init_clksel_parent - set a clksel clk's parent field from the hardware @@ -437,8 +439,10 @@ void omap2_clk_disable(struct clk *clk) _omap2_clk_disable(clk); if (clk->parent) omap2_clk_disable(clk->parent); +#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdm f/w is in place */ if (clk->clkdm) omap2_clkdm_clk_disable(clk->clkdm, clk); +#endif } } @@ -448,8 +452,10 @@ int omap2_clk_enable(struct clk *clk) int ret = 0; if (clk->usecount++ == 0) { +#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdm f/w is in place */ if (clk->clkdm) omap2_clkdm_clk_enable(clk->clkdm, clk); +#endif if (clk->parent) { ret = omap2_clk_enable(clk->parent); @@ -468,8 +474,10 @@ int omap2_clk_enable(struct clk *clk) return ret; err: +#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdm f/w is in place */ if (clk->clkdm) omap2_clkdm_clk_disable(clk->clkdm, clk); +#endif clk->usecount--; return ret; } diff --git a/arch/arm/mach-omap2/clock44xx.c b/arch/arm/mach-omap2/clock44xx.c new file mode 100644 index 0000000..e015200 --- /dev/null +++ b/arch/arm/mach-omap2/clock44xx.c @@ -0,0 +1,331 @@ +/* + * OMAP4-specific clock framework functions + * + * Copyright (C) 2009 Texas Instruments, Inc. + * + * Rajendra Nayak (rnayak@ti.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#undef DEBUG + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include +#include "clock.h" +#include "prm.h" +#include "prm-regbits-44xx.h" +#include "cm.h" +#include "cm-regbits-44xx.h" + + +static const struct clkops clkops_noncore_dpll_ops; + +#include "clock44xx.h" + +struct omap_clk { + u32 cpu; + struct clk_lookup lk; +}; + +#define CLK(dev, con, ck, cp) \ + { \ + .cpu = cp, \ + .lk = { \ + .dev_id = dev, \ + .con_id = con, \ + .clk = ck, \ + }, \ + } + +#define CK_443X (1 << 0) + +static struct omap_clk omap44xx_clks[] = { + CLK(NULL, "extalt_clkin_ck", &extalt_clkin_ck, CK_443X), + CLK(NULL, "pad_clks_ck", &pad_clks_ck, CK_443X), + CLK(NULL, "pad_slimbus_core_clks_ck", &pad_slimbus_core_clks_ck, CK_443X), + CLK(NULL, "secure_32k_clk_src_ck", &secure_32k_clk_src_ck, CK_443X), + CLK(NULL, "slimbus_clk", &slimbus_clk, CK_443X), + CLK(NULL, "sys_32k_ck", &sys_32k_ck, CK_443X), + CLK(NULL, "virt_12000000_ck", &virt_12000000_ck, CK_443X), + CLK(NULL, "virt_13000000_ck", &virt_13000000_ck, CK_443X), + CLK(NULL, "virt_16800000_ck", &virt_16800000_ck, CK_443X), + CLK(NULL, "virt_19200000_ck", &virt_19200000_ck, CK_443X), + CLK(NULL, "virt_26000000_ck", &virt_26000000_ck, CK_443X), + CLK(NULL, "virt_27000000_ck", &virt_27000000_ck, CK_443X), + CLK(NULL, "virt_38400000_ck", &virt_38400000_ck, CK_443X), + CLK(NULL, "sys_clkin_ck", &sys_clkin_ck, CK_443X), + CLK(NULL, "utmi_phy_clkout_ck", &utmi_phy_clkout_ck, CK_443X), + CLK(NULL, "xclk60mhsp1_ck", &xclk60mhsp1_ck, CK_443X), + CLK(NULL, "xclk60mhsp2_ck", &xclk60mhsp2_ck, CK_443X), + CLK(NULL, "xclk60motg_ck", &xclk60motg_ck, CK_443X), + CLK(NULL, "dpll_sys_ref_clk", &dpll_sys_ref_clk, CK_443X), + CLK(NULL, "abe_dpll_refclk_mux_ck", &abe_dpll_refclk_mux_ck, CK_443X), + CLK(NULL, "dpll_abe_ck", &dpll_abe_ck, CK_443X), + CLK(NULL, "dpll_abe_m2x2_ck", &dpll_abe_m2x2_ck, CK_443X), + CLK(NULL, "abe_24m_fclk", &abe_24m_fclk, CK_443X), + CLK(NULL, "abe_clk", &abe_clk, CK_443X), + CLK(NULL, "aess_fclk", &aess_fclk, CK_443X), + CLK(NULL, "dpll_abe_m3_ck", &dpll_abe_m3_ck, CK_443X), + CLK(NULL, "core_hsd_byp_clk_mux_ck", &core_hsd_byp_clk_mux_ck, CK_443X), + CLK(NULL, "dpll_core_ck", &dpll_core_ck, CK_443X), + CLK(NULL, "dpll_core_m6_ck", &dpll_core_m6_ck, CK_443X), + CLK(NULL, "dbgclk_mux_ck", &dbgclk_mux_ck, CK_443X), + CLK(NULL, "dpll_core_m2_ck", &dpll_core_m2_ck, CK_443X), + CLK(NULL, "ddrphy_ck", &ddrphy_ck, CK_443X), + CLK(NULL, "dpll_core_m5_ck", &dpll_core_m5_ck, CK_443X), + CLK(NULL, "div_core_ck", &div_core_ck, CK_443X), + CLK(NULL, "div_iva_hs_clk", &div_iva_hs_clk, CK_443X), + CLK(NULL, "div_mpu_hs_clk", &div_mpu_hs_clk, CK_443X), + CLK(NULL, "dpll_core_m4_ck", &dpll_core_m4_ck, CK_443X), + CLK(NULL, "dll_clk_div_ck", &dll_clk_div_ck, CK_443X), + CLK(NULL, "dpll_abe_m2_ck", &dpll_abe_m2_ck, CK_443X), + CLK(NULL, "dpll_core_m3_ck", &dpll_core_m3_ck, CK_443X), + CLK(NULL, "dpll_core_m7_ck", &dpll_core_m7_ck, CK_443X), + CLK(NULL, "iva_hsd_byp_clk_mux_ck", &iva_hsd_byp_clk_mux_ck, CK_443X), + CLK(NULL, "dpll_iva_ck", &dpll_iva_ck, CK_443X), + CLK(NULL, "dpll_iva_m4_ck", &dpll_iva_m4_ck, CK_443X), + CLK(NULL, "dpll_iva_m5_ck", &dpll_iva_m5_ck, CK_443X), + CLK(NULL, "dpll_mpu_ck", &dpll_mpu_ck, CK_443X), + CLK(NULL, "dpll_mpu_m2_ck", &dpll_mpu_m2_ck, CK_443X), + CLK(NULL, "per_hs_clk_div_ck", &per_hs_clk_div_ck, CK_443X), + CLK(NULL, "per_hsd_byp_clk_mux_ck", &per_hsd_byp_clk_mux_ck, CK_443X), + CLK(NULL, "dpll_per_ck", &dpll_per_ck, CK_443X), + CLK(NULL, "dpll_per_m2_ck", &dpll_per_m2_ck, CK_443X), + CLK(NULL, "dpll_per_m2x2_ck", &dpll_per_m2x2_ck, CK_443X), + CLK(NULL, "dpll_per_m3_ck", &dpll_per_m3_ck, CK_443X), + CLK(NULL, "dpll_per_m4_ck", &dpll_per_m4_ck, CK_443X), + CLK(NULL, "dpll_per_m5_ck", &dpll_per_m5_ck, CK_443X), + CLK(NULL, "dpll_per_m6_ck", &dpll_per_m6_ck, CK_443X), + CLK(NULL, "dpll_per_m7_ck", &dpll_per_m7_ck, CK_443X), + CLK(NULL, "dpll_unipro_ck", &dpll_unipro_ck, CK_443X), + CLK(NULL, "dpll_unipro_m2x2_ck", &dpll_unipro_m2x2_ck, CK_443X), + CLK(NULL, "usb_hs_clk_div_ck", &usb_hs_clk_div_ck, CK_443X), + CLK(NULL, "dpll_usb_ck", &dpll_usb_ck, CK_443X), + CLK(NULL, "dpll_usb_clkdcoldo_ck", &dpll_usb_clkdcoldo_ck, CK_443X), + CLK(NULL, "dpll_usb_m2_ck", &dpll_usb_m2_ck, CK_443X), + CLK(NULL, "ducati_clk_mux_ck", &ducati_clk_mux_ck, CK_443X), + CLK(NULL, "func_12m_fclk", &func_12m_fclk, CK_443X), + CLK(NULL, "func_24m_clk", &func_24m_clk, CK_443X), + CLK(NULL, "func_24mc_fclk", &func_24mc_fclk, CK_443X), + CLK(NULL, "func_48m_fclk", &func_48m_fclk, CK_443X), + CLK(NULL, "func_48mc_fclk", &func_48mc_fclk, CK_443X), + CLK(NULL, "func_64m_fclk", &func_64m_fclk, CK_443X), + CLK(NULL, "func_96m_fclk", &func_96m_fclk, CK_443X), + CLK(NULL, "hsmmc6_fclk", &hsmmc6_fclk, CK_443X), + CLK(NULL, "init_60m_fclk", &init_60m_fclk, CK_443X), + CLK(NULL, "l3_div_ck", &l3_div_ck, CK_443X), + CLK(NULL, "l4_div_ck", &l4_div_ck, CK_443X), + CLK(NULL, "lp_clk_div_ck", &lp_clk_div_ck, CK_443X), + CLK(NULL, "l4_wkup_clk_mux_ck", &l4_wkup_clk_mux_ck, CK_443X), + CLK(NULL, "per_abe_nc_fclk", &per_abe_nc_fclk, CK_443X), + CLK(NULL, "mcasp2_fclk", &mcasp2_fclk, CK_443X), + CLK(NULL, "mcasp3_fclk", &mcasp3_fclk, CK_443X), + CLK(NULL, "ocp_abe_iclk", &ocp_abe_iclk, CK_443X), + CLK(NULL, "per_abe_24m_fclk", &per_abe_24m_fclk, CK_443X), + CLK(NULL, "pmd_stm_clock_mux_ck", &pmd_stm_clock_mux_ck, CK_443X), + CLK(NULL, "pmd_trace_clk_mux_ck", &pmd_trace_clk_mux_ck, CK_443X), + CLK(NULL, "syc_clk_div_ck", &syc_clk_div_ck, CK_443X), + CLK(NULL, "aes1_ck", &aes1_ck, CK_443X), + CLK(NULL, "aes2_ck", &aes2_ck, CK_443X), + CLK(NULL, "aess_ck", &aess_ck, CK_443X), + CLK(NULL, "cust_efuse_ck", &cust_efuse_ck, CK_443X), + CLK(NULL, "des3des_ck", &des3des_ck, CK_443X), + CLK(NULL, "dmic_sync_mux_ck", &dmic_sync_mux_ck, CK_443X), + CLK(NULL, "dmic_ck", &dmic_ck, CK_443X), + CLK(NULL, "dss_ck", &dss_ck, CK_443X), + CLK(NULL, "ducati_ck", &ducati_ck, CK_443X), + CLK(NULL, "emif1_ck", &emif1_ck, CK_443X), + CLK(NULL, "emif2_ck", &emif2_ck, CK_443X), + CLK(NULL, "fdif_ck", &fdif_ck, CK_443X), + CLK(NULL, "per_sgx_fclk", &per_sgx_fclk, CK_443X), + CLK(NULL, "gfx_ck", &gfx_ck, CK_443X), + CLK(NULL, "gpio1_ck", &gpio1_ck, CK_443X), + CLK(NULL, "gpio2_ck", &gpio2_ck, CK_443X), + CLK(NULL, "gpio3_ck", &gpio3_ck, CK_443X), + CLK(NULL, "gpio4_ck", &gpio4_ck, CK_443X), + CLK(NULL, "gpio5_ck", &gpio5_ck, CK_443X), + CLK(NULL, "gpio6_ck", &gpio6_ck, CK_443X), + CLK(NULL, "gpmc_ck", &gpmc_ck, CK_443X), + CLK(NULL, "gptimer1_ck", &gptimer1_ck, CK_443X), + CLK(NULL, "gptimer10_ck", &gptimer10_ck, CK_443X), + CLK(NULL, "gptimer11_ck", &gptimer11_ck, CK_443X), + CLK(NULL, "gptimer2_ck", &gptimer2_ck, CK_443X), + CLK(NULL, "gptimer3_ck", &gptimer3_ck, CK_443X), + CLK(NULL, "gptimer4_ck", &gptimer4_ck, CK_443X), + CLK(NULL, "gptimer5_ck", &gptimer5_ck, CK_443X), + CLK(NULL, "gptimer6_ck", &gptimer6_ck, CK_443X), + CLK(NULL, "gptimer7_ck", &gptimer7_ck, CK_443X), + CLK(NULL, "gptimer8_ck", &gptimer8_ck, CK_443X), + CLK(NULL, "gptimer9_ck", &gptimer9_ck, CK_443X), + CLK("omap2_hdq.0", "ick", &hdq1w_ck, CK_443X), + CLK(NULL, "hsi_ck", &hsi_ck, CK_443X), + CLK("i2c_omap.1", "ick", &i2c1_ck, CK_443X), + CLK("i2c_omap.2", "ick", &i2c2_ck, CK_443X), + CLK("i2c_omap.3", "ick", &i2c3_ck, CK_443X), + CLK("i2c_omap.4", "ick", &i2c4_ck, CK_443X), + CLK(NULL, "iss_ck", &iss_ck, CK_443X), + CLK(NULL, "ivahd_ck", &ivahd_ck, CK_443X), + CLK(NULL, "keyboard_ck", &keyboard_ck, CK_443X), + CLK(NULL, "l3_instr_interconnect_ck", &l3_instr_interconnect_ck, CK_443X), + CLK(NULL, "l3_interconnect_3_ck", &l3_interconnect_3_ck, CK_443X), + CLK(NULL, "mcasp_sync_mux_ck", &mcasp_sync_mux_ck, CK_443X), + CLK(NULL, "mcasp_ck", &mcasp_ck, CK_443X), + CLK(NULL, "mcbsp1_sync_mux_ck", &mcbsp1_sync_mux_ck, CK_443X), + CLK("omap-mcbsp.1", "fck", &mcbsp1_ck, CK_443X), + CLK(NULL, "mcbsp2_sync_mux_ck", &mcbsp2_sync_mux_ck, CK_443X), + CLK("omap-mcbsp.2", "fck", &mcbsp2_ck, CK_443X), + CLK(NULL, "mcbsp3_sync_mux_ck", &mcbsp3_sync_mux_ck, CK_443X), + CLK("omap-mcbsp.3", "fck", &mcbsp3_ck, CK_443X), + CLK(NULL, "mcbsp4_sync_mux_ck", &mcbsp4_sync_mux_ck, CK_443X), + CLK("omap-mcbsp.4", "fck", &mcbsp4_ck, CK_443X), + CLK("omap2_mcspi.1", "fck", &mcspi1_ck, CK_443X), + CLK("omap2_mcspi.2", "fck", &mcspi2_ck, CK_443X), + CLK("omap2_mcspi.3", "fck", &mcspi3_ck, CK_443X), + CLK("omap2_mcspi.4", "fck", &mcspi4_ck, CK_443X), + CLK("mmci-omap-hs.0", "fck", &mmc1_ck, CK_443X), + CLK("mmci-omap-hs.1", "fck", &mmc2_ck, CK_443X), + CLK("mmci-omap-hs.2", "fck", &mmc3_ck, CK_443X), + CLK("mmci-omap-hs.3", "fck", &mmc4_ck, CK_443X), + CLK("mmci-omap-hs.4", "fck", &mmc5_ck, CK_443X), + CLK(NULL, "ocp_wp1_ck", &ocp_wp1_ck, CK_443X), + CLK(NULL, "pdm_ck", &pdm_ck, CK_443X), + CLK(NULL, "pkaeip29_ck", &pkaeip29_ck, CK_443X), + CLK("omap_rng", "ick", &rng_ck, CK_443X), + CLK(NULL, "sha2md51_ck", &sha2md51_ck, CK_443X), + CLK(NULL, "sl2_ck", &sl2_ck, CK_443X), + CLK(NULL, "slimbus1_ck", &slimbus1_ck, CK_443X), + CLK(NULL, "slimbus2_ck", &slimbus2_ck, CK_443X), + CLK(NULL, "sr_core_ck", &sr_core_ck, CK_443X), + CLK(NULL, "sr_iva_ck", &sr_iva_ck, CK_443X), + CLK(NULL, "sr_mpu_ck", &sr_mpu_ck, CK_443X), + CLK(NULL, "tesla_ck", &tesla_ck, CK_443X), + CLK(NULL, "uart1_ck", &uart1_ck, CK_443X), + CLK(NULL, "uart2_ck", &uart2_ck, CK_443X), + CLK(NULL, "uart3_ck", &uart3_ck, CK_443X), + CLK(NULL, "uart4_ck", &uart4_ck, CK_443X), + CLK(NULL, "unipro1_ck", &unipro1_ck, CK_443X), + CLK(NULL, "usb_host_ck", &usb_host_ck, CK_443X), + CLK(NULL, "usb_host_fs_ck", &usb_host_fs_ck, CK_443X), + CLK("musb_hdrc", "ick", &usb_otg_ck, CK_443X), + CLK(NULL, "usb_tll_ck", &usb_tll_ck, CK_443X), + CLK(NULL, "usbphyocp2scp_ck", &usbphyocp2scp_ck, CK_443X), + CLK(NULL, "usim_ck", &usim_ck, CK_443X), + CLK("omap_wdt", "fck", &wdt2_ck, CK_443X), + CLK(NULL, "wdt3_ck", &wdt3_ck, CK_443X), + CLK(NULL, "otg_60m_gfclk_ck", &otg_60m_gfclk_ck, CK_443X), + CLK(NULL, "stm_clk_div_ck", &stm_clk_div_ck, CK_443X), + CLK(NULL, "trace_clk_div_ck", &trace_clk_div_ck, CK_443X), + CLK(NULL, "usim_fclk", &usim_fclk, CK_443X), + CLK(NULL, "utmi_p1_gfclk_ck", &utmi_p1_gfclk_ck, CK_443X), + CLK(NULL, "utmi_p2_gfclk_ck", &utmi_p2_gfclk_ck, CK_443X), +}; + +static struct clk_functions omap2_clk_functions = { + .clk_enable = omap2_clk_enable, + .clk_disable = omap2_clk_disable, + .clk_round_rate = omap2_clk_round_rate, + .clk_set_rate = omap2_clk_set_rate, + .clk_set_parent = omap2_clk_set_parent, + .clk_disable_unused = omap2_clk_disable_unused, +}; + +/* + * Dummy functions for DPLL control. Plan is to re-use + * existing OMAP3 dpll control functions. + */ + +static unsigned long omap3_dpll_recalc(struct clk *clk) +{ + return 0; +} + +static int omap3_noncore_dpll_set_rate(struct clk *clk, unsigned long rate) +{ + return 0; +} + +static int omap3_noncore_dpll_enable(struct clk *clk) +{ + return 0; +} + +static void omap3_noncore_dpll_disable(struct clk *clk) +{ + return; +} + +static const struct clkops clkops_noncore_dpll_ops = { + .enable = &omap3_noncore_dpll_enable, + .disable = &omap3_noncore_dpll_disable, +}; + +void omap2_clk_prepare_for_reboot(void) +{ + return; +} + +static int __init omap2_clk_arch_init(void) +{ + if (!mpurate) + return -EINVAL; + + recalculate_root_clocks(); + return 0; +} +arch_initcall(omap2_clk_arch_init); + +int __init omap2_clk_init(void) +{ + /* struct prcm_config *prcm; */ + struct omap_clk *c; + /* u32 clkrate; */ + u32 cpu_clkflg; + + if (cpu_is_omap44xx()) { + cpu_mask = RATE_IN_4430; + cpu_clkflg = CK_443X; + } + + clk_init(&omap2_clk_functions); + + for (c = omap44xx_clks; c < omap44xx_clks + ARRAY_SIZE(omap44xx_clks); + c++) + clk_preinit(c->lk.clk); + + for (c = omap44xx_clks; c < omap44xx_clks + ARRAY_SIZE(omap44xx_clks); + c++) + if (c->cpu & cpu_clkflg) { + clkdev_add(&c->lk); + clk_register(c->lk.clk); + /* TODO + omap2_init_clk_clkdm(c->lk.clk); + */ + } + + recalculate_root_clocks(); + + /* + * Only enable those clocks we will need, let the drivers + * enable other clocks as necessary + */ + clk_enable_init_clocks(); + + return 0; +} diff --git a/arch/arm/mach-omap2/cm.h b/arch/arm/mach-omap2/cm.h index af312e6..027af00 100644 --- a/arch/arm/mach-omap2/cm.h +++ b/arch/arm/mach-omap2/cm.h @@ -97,6 +97,10 @@ /* CM2.CEFUSE_CM2 register offsets */ +/* OMAP4 modulemode control */ +#define OMAP4430_MODULEMODE_HWCTRL 0 +#define OMAP4430_MODULEMODE_SWCTRL 1 + /* Clock management domain register get/set */ #ifndef __ASSEMBLER__ diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c index f3c992e..2e13741 100644 --- a/arch/arm/mach-omap2/gpmc.c +++ b/arch/arm/mach-omap2/gpmc.c @@ -490,7 +490,7 @@ void __init gpmc_init(void) ck = "gpmc_fck"; l = OMAP34XX_GPMC_BASE; } else if (cpu_is_omap44xx()) { - ck = "gpmc_fck"; + ck = "gpmc_ck"; l = OMAP44XX_GPMC_BASE; } diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c index 56be87d..9ab8f8b 100644 --- a/arch/arm/mach-omap2/io.c +++ b/arch/arm/mach-omap2/io.c @@ -34,7 +34,6 @@ #include #include -#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once clkdev is ready */ #include "clock.h" #include @@ -43,7 +42,6 @@ #include #include "clockdomains.h" -#endif #include #include "omap_hwmod_2420.h" #include "omap_hwmod_2430.h" @@ -301,8 +299,8 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0, omap_pm_if_early_init(mpu_opps, dsp_opps, l3_opps); pwrdm_init(powerdomains_omap); clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps); - omap2_clk_init(); #endif + omap2_clk_init(); omap_serial_early_init(); #ifndef CONFIG_ARCH_OMAP4 omap_hwmod_late_init(); diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig index 64b3f52..8287b93 100644 --- a/arch/arm/plat-omap/Kconfig +++ b/arch/arm/plat-omap/Kconfig @@ -27,6 +27,7 @@ config ARCH_OMAP4 bool "TI OMAP4" select CPU_V7 select ARM_GIC + select COMMON_CLKDEV endchoice diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c index bf880e9..9f99503 100644 --- a/arch/arm/plat-omap/clock.c +++ b/arch/arm/plat-omap/clock.c @@ -40,36 +40,10 @@ static struct clk_functions *arch_clock; * clock framework is not up , it is defined here to avoid rework in * every driver. Also dummy prcm reset function is added */ -/* Dummy hooks only for OMAP4.For rest OMAPs, common clkdev is used */ -#if defined(CONFIG_ARCH_OMAP4) -struct clk *clk_get(struct device *dev, const char *id) -{ - return NULL; -} -EXPORT_SYMBOL(clk_get); - -void clk_put(struct clk *clk) -{ -} -EXPORT_SYMBOL(clk_put); - -void omap2_clk_prepare_for_reboot(void) -{ -} -EXPORT_SYMBOL(omap2_clk_prepare_for_reboot); - -void omap_prcm_arch_reset(char mode) -{ -} -EXPORT_SYMBOL(omap_prcm_arch_reset); -#endif int clk_enable(struct clk *clk) { unsigned long flags; int ret = 0; - if (cpu_is_omap44xx()) - /* OMAP4 clk framework not supported yet */ - return 0; if (clk == NULL || IS_ERR(clk)) return -EINVAL; diff --git a/arch/arm/plat-omap/include/mach/clock.h b/arch/arm/plat-omap/include/mach/clock.h index 4b8b0d6..e9472c9 100644 --- a/arch/arm/plat-omap/include/mach/clock.h +++ b/arch/arm/plat-omap/include/mach/clock.h @@ -148,6 +148,8 @@ extern const struct clkops clkops_null; #define CONFIG_PARTICIPANT (1 << 10) /* Fundamental clock */ #define ENABLE_ON_INIT (1 << 11) /* Enable upon framework init */ #define INVERT_ENABLE (1 << 12) /* 0 enables, 1 disables */ +#define CLOCK_IN_OMAP4430 (1 << 13) +#define ALWAYS_ENABLED (1 << 14) /* bits 13-31 are currently free */ /* Clksel_rate flags */ @@ -156,6 +158,7 @@ extern const struct clkops clkops_null; #define RATE_IN_243X (1 << 2) #define RATE_IN_343X (1 << 3) /* rates common to all 343X */ #define RATE_IN_3430ES2 (1 << 4) /* 3430ES2 rates only */ +#define RATE_IN_4430 (1 << 5) #define RATE_IN_24XX (RATE_IN_242X | RATE_IN_243X)