X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Farm%2Fmach-omap2%2Fclock24xx.c;h=1e839c5a28c5cfb93dec935f4e6b4e9841e1171a;hb=eba05254cb561dc27d5664503f91f7c21954e648;hp=53864c092702fb36f62b3f3046146792f2b3a641;hpb=ed99db8e5c53acced1a7c02aa9a94d50bea48409;p=linux-2.6-omap-h63xx.git diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c index 53864c09270..1e839c5a28c 100644 --- a/arch/arm/mach-omap2/clock24xx.c +++ b/arch/arm/mach-omap2/clock24xx.c @@ -28,19 +28,195 @@ #include #include -#include #include #include #include +#include #include #include "clock.h" -#include "clock24xx.h" #include "prm.h" #include "prm-regbits-24xx.h" #include "cm.h" #include "cm-regbits-24xx.h" +static const struct clkops clkops_oscck; +static const struct clkops clkops_fixed; + +#include "clock24xx.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_243X (1 << 0) +#define CK_242X (1 << 1) + +static struct omap_clk omap24xx_clks[] = { + /* external root sources */ + CLK(NULL, "func_32k_ck", &func_32k_ck, CK_243X | CK_242X), + CLK(NULL, "osc_ck", &osc_ck, CK_243X | CK_242X), + CLK(NULL, "sys_ck", &sys_ck, CK_243X | CK_242X), + CLK(NULL, "alt_ck", &alt_ck, CK_243X | CK_242X), + /* internal analog sources */ + CLK(NULL, "dpll_ck", &dpll_ck, CK_243X | CK_242X), + CLK(NULL, "apll96_ck", &apll96_ck, CK_243X | CK_242X), + CLK(NULL, "apll54_ck", &apll54_ck, CK_243X | CK_242X), + /* internal prcm root sources */ + CLK(NULL, "func_54m_ck", &func_54m_ck, CK_243X | CK_242X), + CLK(NULL, "core_ck", &core_ck, CK_243X | CK_242X), + CLK(NULL, "func_96m_ck", &func_96m_ck, CK_243X | CK_242X), + CLK(NULL, "func_48m_ck", &func_48m_ck, CK_243X | CK_242X), + CLK(NULL, "func_12m_ck", &func_12m_ck, CK_243X | CK_242X), + CLK(NULL, "ck_wdt1_osc", &wdt1_osc_ck, CK_243X | CK_242X), + CLK(NULL, "sys_clkout_src", &sys_clkout_src, CK_243X | CK_242X), + CLK(NULL, "sys_clkout", &sys_clkout, CK_243X | CK_242X), + CLK(NULL, "sys_clkout2_src", &sys_clkout2_src, CK_242X), + CLK(NULL, "sys_clkout2", &sys_clkout2, CK_242X), + CLK(NULL, "emul_ck", &emul_ck, CK_242X), + /* mpu domain clocks */ + CLK(NULL, "mpu_ck", &mpu_ck, CK_243X | CK_242X), + /* dsp domain clocks */ + CLK(NULL, "dsp_fck", &dsp_fck, CK_243X | CK_242X), + CLK(NULL, "dsp_irate_ick", &dsp_irate_ick, CK_243X | CK_242X), + CLK(NULL, "dsp_ick", &dsp_ick, CK_242X), + CLK(NULL, "iva2_1_ick", &iva2_1_ick, CK_243X), + CLK(NULL, "iva1_ifck", &iva1_ifck, CK_242X), + CLK(NULL, "iva1_mpu_int_ifck", &iva1_mpu_int_ifck, CK_242X), + /* GFX domain clocks */ + CLK(NULL, "gfx_3d_fck", &gfx_3d_fck, CK_243X | CK_242X), + CLK(NULL, "gfx_2d_fck", &gfx_2d_fck, CK_243X | CK_242X), + CLK(NULL, "gfx_ick", &gfx_ick, CK_243X | CK_242X), + /* Modem domain clocks */ + CLK(NULL, "mdm_ick", &mdm_ick, CK_243X), + CLK(NULL, "mdm_osc_ck", &mdm_osc_ck, CK_243X), + /* DSS domain clocks */ + CLK(NULL, "dss_ick", &dss_ick, CK_243X | CK_242X), + CLK(NULL, "dss1_fck", &dss1_fck, CK_243X | CK_242X), + CLK(NULL, "dss2_fck", &dss2_fck, CK_243X | CK_242X), + CLK(NULL, "dss_54m_fck", &dss_54m_fck, CK_243X | CK_242X), + /* L3 domain clocks */ + CLK(NULL, "core_l3_ck", &core_l3_ck, CK_243X | CK_242X), + CLK(NULL, "ssi_fck", &ssi_ssr_sst_fck, CK_243X | CK_242X), + CLK(NULL, "usb_l4_ick", &usb_l4_ick, CK_243X | CK_242X), + /* L4 domain clocks */ + CLK(NULL, "l4_ck", &l4_ck, CK_243X | CK_242X), + CLK(NULL, "ssi_l4_ick", &ssi_l4_ick, CK_243X | CK_242X), + /* virtual meta-group clock */ + CLK(NULL, "virt_prcm_set", &virt_prcm_set, CK_243X | CK_242X), + /* general l4 interface ck, multi-parent functional clk */ + CLK(NULL, "gpt1_ick", &gpt1_ick, CK_243X | CK_242X), + CLK(NULL, "gpt1_fck", &gpt1_fck, CK_243X | CK_242X), + CLK(NULL, "gpt2_ick", &gpt2_ick, CK_243X | CK_242X), + CLK(NULL, "gpt2_fck", &gpt2_fck, CK_243X | CK_242X), + CLK(NULL, "gpt3_ick", &gpt3_ick, CK_243X | CK_242X), + CLK(NULL, "gpt3_fck", &gpt3_fck, CK_243X | CK_242X), + CLK(NULL, "gpt4_ick", &gpt4_ick, CK_243X | CK_242X), + CLK(NULL, "gpt4_fck", &gpt4_fck, CK_243X | CK_242X), + CLK(NULL, "gpt5_ick", &gpt5_ick, CK_243X | CK_242X), + CLK(NULL, "gpt5_fck", &gpt5_fck, CK_243X | CK_242X), + CLK(NULL, "gpt6_ick", &gpt6_ick, CK_243X | CK_242X), + CLK(NULL, "gpt6_fck", &gpt6_fck, CK_243X | CK_242X), + CLK(NULL, "gpt7_ick", &gpt7_ick, CK_243X | CK_242X), + CLK(NULL, "gpt7_fck", &gpt7_fck, CK_243X | CK_242X), + CLK(NULL, "gpt8_ick", &gpt8_ick, CK_243X | CK_242X), + CLK(NULL, "gpt8_fck", &gpt8_fck, CK_243X | CK_242X), + CLK(NULL, "gpt9_ick", &gpt9_ick, CK_243X | CK_242X), + CLK(NULL, "gpt9_fck", &gpt9_fck, CK_243X | CK_242X), + CLK(NULL, "gpt10_ick", &gpt10_ick, CK_243X | CK_242X), + CLK(NULL, "gpt10_fck", &gpt10_fck, CK_243X | CK_242X), + CLK(NULL, "gpt11_ick", &gpt11_ick, CK_243X | CK_242X), + CLK(NULL, "gpt11_fck", &gpt11_fck, CK_243X | CK_242X), + CLK(NULL, "gpt12_ick", &gpt12_ick, CK_243X | CK_242X), + CLK(NULL, "gpt12_fck", &gpt12_fck, CK_243X | CK_242X), + CLK("omap-mcbsp.1", "ick", &mcbsp1_ick, CK_243X | CK_242X), + CLK("omap-mcbsp.1", "fck", &mcbsp1_fck, CK_243X | CK_242X), + CLK("omap-mcbsp.2", "ick", &mcbsp2_ick, CK_243X | CK_242X), + CLK("omap-mcbsp.2", "fck", &mcbsp2_fck, CK_243X | CK_242X), + CLK("omap-mcbsp.3", "ick", &mcbsp3_ick, CK_243X), + CLK("omap-mcbsp.3", "fck", &mcbsp3_fck, CK_243X), + CLK("omap-mcbsp.4", "ick", &mcbsp4_ick, CK_243X), + CLK("omap-mcbsp.4", "fck", &mcbsp4_fck, CK_243X), + CLK("omap-mcbsp.5", "ick", &mcbsp5_ick, CK_243X), + CLK("omap-mcbsp.5", "fck", &mcbsp5_fck, CK_243X), + CLK("omap2_mcspi.1", "ick", &mcspi1_ick, CK_243X | CK_242X), + CLK("omap2_mcspi.1", "fck", &mcspi1_fck, CK_243X | CK_242X), + CLK("omap2_mcspi.2", "ick", &mcspi2_ick, CK_243X | CK_242X), + CLK("omap2_mcspi.2", "fck", &mcspi2_fck, CK_243X | CK_242X), + CLK("omap2_mcspi.3", "ick", &mcspi3_ick, CK_243X), + CLK("omap2_mcspi.3", "fck", &mcspi3_fck, CK_243X), + CLK(NULL, "uart1_ick", &uart1_ick, CK_243X | CK_242X), + CLK(NULL, "uart1_fck", &uart1_fck, CK_243X | CK_242X), + CLK(NULL, "uart2_ick", &uart2_ick, CK_243X | CK_242X), + CLK(NULL, "uart2_fck", &uart2_fck, CK_243X | CK_242X), + CLK(NULL, "uart3_ick", &uart3_ick, CK_243X | CK_242X), + CLK(NULL, "uart3_fck", &uart3_fck, CK_243X | CK_242X), + CLK(NULL, "gpios_ick", &gpios_ick, CK_243X | CK_242X), + CLK(NULL, "gpios_fck", &gpios_fck, CK_243X | CK_242X), + CLK("omap_wdt", "ick", &mpu_wdt_ick, CK_243X | CK_242X), + CLK("omap_wdt", "fck", &mpu_wdt_fck, CK_243X | CK_242X), + CLK(NULL, "sync_32k_ick", &sync_32k_ick, CK_243X | CK_242X), + CLK(NULL, "wdt1_ick", &wdt1_ick, CK_243X | CK_242X), + CLK(NULL, "omapctrl_ick", &omapctrl_ick, CK_243X | CK_242X), + CLK(NULL, "icr_ick", &icr_ick, CK_243X), + CLK("omap24xxcam", "fck", &cam_fck, CK_243X | CK_242X), + CLK("omap24xxcam", "ick", &cam_ick, CK_243X | CK_242X), + CLK(NULL, "mailboxes_ick", &mailboxes_ick, CK_243X | CK_242X), + CLK(NULL, "wdt4_ick", &wdt4_ick, CK_243X | CK_242X), + CLK(NULL, "wdt4_fck", &wdt4_fck, CK_243X | CK_242X), + CLK(NULL, "wdt3_ick", &wdt3_ick, CK_242X), + CLK(NULL, "wdt3_fck", &wdt3_fck, CK_242X), + CLK(NULL, "mspro_ick", &mspro_ick, CK_243X | CK_242X), + CLK(NULL, "mspro_fck", &mspro_fck, CK_243X | CK_242X), + CLK("mmci-omap.0", "ick", &mmc_ick, CK_242X), + CLK("mmci-omap.0", "fck", &mmc_fck, CK_242X), + CLK(NULL, "fac_ick", &fac_ick, CK_243X | CK_242X), + CLK(NULL, "fac_fck", &fac_fck, CK_243X | CK_242X), + CLK(NULL, "eac_ick", &eac_ick, CK_242X), + CLK(NULL, "eac_fck", &eac_fck, CK_242X), + CLK("omap_hdq.0", "ick", &hdq_ick, CK_243X | CK_242X), + CLK("omap_hdq.1", "fck", &hdq_fck, CK_243X | CK_242X), + CLK("i2c_omap.1", "ick", &i2c1_ick, CK_243X | CK_242X), + CLK("i2c_omap.1", "fck", &i2c1_fck, CK_242X), + CLK("i2c_omap.1", "fck", &i2chs1_fck, CK_243X), + CLK("i2c_omap.2", "ick", &i2c2_ick, CK_243X | CK_242X), + CLK("i2c_omap.2", "fck", &i2c2_fck, CK_242X), + CLK("i2c_omap.2", "fck", &i2chs2_fck, CK_243X), + CLK(NULL, "gpmc_fck", &gpmc_fck, CK_243X | CK_242X), + CLK(NULL, "sdma_fck", &sdma_fck, CK_243X | CK_242X), + CLK(NULL, "sdma_ick", &sdma_ick, CK_243X | CK_242X), + CLK(NULL, "vlynq_ick", &vlynq_ick, CK_242X), + CLK(NULL, "vlynq_fck", &vlynq_fck, CK_242X), + CLK(NULL, "sdrc_ick", &sdrc_ick, CK_243X), + CLK(NULL, "des_ick", &des_ick, CK_243X | CK_242X), + CLK(NULL, "sha_ick", &sha_ick, CK_243X | CK_242X), + CLK("omap_rng", "ick", &rng_ick, CK_243X | CK_242X), + CLK(NULL, "aes_ick", &aes_ick, CK_243X | CK_242X), + CLK(NULL, "pka_ick", &pka_ick, CK_243X | CK_242X), + CLK(NULL, "usb_fck", &usb_fck, CK_243X | CK_242X), + CLK(NULL, "usbhs_ick", &usbhs_ick, CK_243X), + CLK("mmci-omap-hs.0", "ick", &mmchs1_ick, CK_243X), + CLK("mmci-omap-hs.0", "fck", &mmchs1_fck, CK_243X), + CLK("mmci-omap-hs.1", "ick", &mmchs2_ick, CK_243X), + CLK("mmci-omap-hs.1", "fck", &mmchs2_fck, CK_243X), + CLK(NULL, "gpio5_ick", &gpio5_ick, CK_243X), + CLK(NULL, "gpio5_fck", &gpio5_fck, CK_243X), + CLK(NULL, "mdm_intc_ick", &mdm_intc_ick, CK_243X), + CLK("mmci-omap-hs.0", "mmchsdb_fck", &mmchsdb1_fck, CK_243X), + CLK("mmci-omap-hs.1", "mmchsdb_fck", &mmchsdb2_fck, CK_243X), +}; + /* CM_CLKEN_PLL.EN_{54,96}M_PLL options (24XX) */ #define EN_APLL_STOPPED 0 #define EN_APLL_LOCKED 3 @@ -63,7 +239,6 @@ static struct clk *sclk; /** * omap2xxx_clk_get_core_rate - return the CORE_CLK rate * @clk: pointer to the combined dpll_ck + core_ck (currently "dpll_ck") - * @parent_rate: rate of the parent of the dpll_ck * * Returns the CORE_CLK rate. CORE_CLK can have one of three rate * sources on OMAP2xxx: the DPLL CLKOUT rate, DPLL CLKOUTX2, or 32KHz @@ -71,13 +246,12 @@ static struct clk *sclk; * struct clk *dpll_ck, which is a composite clock of dpll_ck and * core_ck. */ -static u32 omap2xxx_clk_get_core_rate(struct clk *clk, - unsigned long parent_rate) +static unsigned long omap2xxx_clk_get_core_rate(struct clk *clk) { long long core_clk; u32 v; - core_clk = omap2_get_dpll_rate(clk, parent_rate); + core_clk = omap2_get_dpll_rate(clk); v = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2); v &= OMAP24XX_CORE_CLK_SRC_MASK; @@ -90,43 +264,44 @@ static u32 omap2xxx_clk_get_core_rate(struct clk *clk, return core_clk; } -static unsigned long omap2xxx_clk_find_oppset_by_mpurate(unsigned long mpu_speed, - struct prcm_config **prcm) +static int omap2_enable_osc_ck(struct clk *clk) { - unsigned long found_speed = 0; - struct prcm_config *p; + u32 pcc; - p = *prcm; + pcc = __raw_readl(OMAP24XX_PRCM_CLKSRC_CTRL); - for (p = rate_table; p->mpu_speed; p++) { - if (!(p->flags & cpu_mask)) - continue; + __raw_writel(pcc & ~OMAP_AUTOEXTCLKMODE_MASK, + OMAP24XX_PRCM_CLKSRC_CTRL); - if (p->xtal_speed != sys_ck.rate) - continue; - - if (p->mpu_speed <= mpu_speed) { - found_speed = p->mpu_speed; - break; - } - } - - return found_speed; + return 0; } -static int omap2_enable_osc_ck(struct clk *clk) +static void omap2_disable_osc_ck(struct clk *clk) { - prm_rmw_mod_reg_bits(OMAP_AUTOEXTCLKMODE_MASK, 0, - OMAP24XX_GR_MOD, OMAP24XX_PRCM_CLKSRC_CTRL_OFFSET); + u32 pcc; - return 0; + pcc = __raw_readl(OMAP24XX_PRCM_CLKSRC_CTRL); + + __raw_writel(pcc | OMAP_AUTOEXTCLKMODE_MASK, + OMAP24XX_PRCM_CLKSRC_CTRL); } -static void omap2_disable_osc_ck(struct clk *clk) +static const struct clkops clkops_oscck = { + .enable = &omap2_enable_osc_ck, + .disable = &omap2_disable_osc_ck, +}; + +#ifdef OLD_CK +/* Recalculate SYST_CLK */ +static void omap2_sys_clk_recalc(struct clk * clk) { - prm_rmw_mod_reg_bits(OMAP_AUTOEXTCLKMODE_MASK, OMAP_AUTOEXTCLKMODE_MASK, - OMAP24XX_GR_MOD, OMAP24XX_PRCM_CLKSRC_CTRL_OFFSET); + u32 div = PRCM_CLKSRC_CTRL; + div &= (1 << 7) | (1 << 6); /* Test if ext clk divided by 1 or 2 */ + div >>= clk->rate_offset; + clk->rate = (clk->parent->rate / div); + propagate_rate(clk); } +#endif /* OLD_CK */ /* Enable an APLL if off */ static int omap2_clk_fixed_enable(struct clk *clk) @@ -149,7 +324,8 @@ static int omap2_clk_fixed_enable(struct clk *clk) else if (clk == &apll54_ck) cval = OMAP24XX_ST_54M_APLL; - omap2_wait_clock_ready(PLL_MOD, CM_IDLEST, cval, clk->name); + omap2_wait_clock_ready(OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), cval, + clk->name); /* * REVISIT: Should we return an error code if omap2_wait_clock_ready() @@ -168,6 +344,11 @@ static void omap2_clk_fixed_disable(struct clk *clk) cm_write_mod_reg(cval, PLL_MOD, CM_CLKEN); } +static const struct clkops clkops_fixed = { + .enable = &omap2_clk_fixed_enable, + .disable = &omap2_clk_fixed_disable, +}; + /* * Uses the current prcm set to tell if a rate is valid. * You can go slower, but not faster within a given rate set. @@ -201,17 +382,9 @@ static long omap2_dpllcore_round_rate(unsigned long target_rate) } -static void omap2_dpllcore_recalc(struct clk *clk, unsigned long parent_rate, - u8 rate_storage) +static unsigned long omap2_dpllcore_recalc(struct clk *clk) { - unsigned long rate; - - rate = omap2xxx_clk_get_core_rate(clk, parent_rate); - - if (rate_storage == CURRENT_RATE) - clk->rate = rate; - else if (rate_storage == TEMP_RATE) - clk->temp_rate = rate; + return omap2xxx_clk_get_core_rate(clk); } static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate) @@ -221,7 +394,7 @@ static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate) struct prcm_config tmpset; const struct dpll_data *dd; - cur_rate = omap2xxx_clk_get_core_rate(&dpll_ck, dpll_ck.parent->rate); + cur_rate = omap2xxx_clk_get_core_rate(&dpll_ck); mult = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2); mult &= OMAP24XX_CORE_CLK_SRC_MASK; @@ -243,8 +416,7 @@ static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate) if (!dd) return -EINVAL; - tmpset.cm_clksel1_pll = cm_read_mod_reg(clk->prcm_mod, - dd->mult_div1_reg); + tmpset.cm_clksel1_pll = __raw_readl(dd->mult_div1_reg); tmpset.cm_clksel1_pll &= ~(dd->mult_mask | dd->div1_mask); div = ((curr_prcm_set->xtal_speed / 1000000) - 1); @@ -289,18 +461,9 @@ static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate) * * Set virt_prcm_set's rate to the mpu_speed field of the current PRCM set. */ -static void omap2_table_mpu_recalc(struct clk *clk, unsigned long parent_rate, - u8 rate_storage) +static unsigned long omap2_table_mpu_recalc(struct clk *clk) { - struct prcm_config *prcm; - unsigned long mpurate; - - mpurate = omap2xxx_clk_find_oppset_by_mpurate(parent_rate, &prcm); - - if (rate_storage == CURRENT_RATE) - clk->rate = mpurate; - else if (rate_storage == TEMP_RATE) - clk->temp_rate = mpurate; + return curr_prcm_set->mpu_speed; } /* @@ -340,12 +503,25 @@ static int omap2_select_table_rate(struct clk *clk, unsigned long rate) { u32 cur_rate, done_rate, bypass = 0, tmp; struct prcm_config *prcm; - unsigned long flags, found_speed; + unsigned long found_speed = 0; + unsigned long flags; if (clk != &virt_prcm_set) return -EINVAL; - found_speed = omap2xxx_clk_find_oppset_by_mpurate(rate, &prcm); + for (prcm = rate_table; prcm->mpu_speed; prcm++) { + if (!(prcm->flags & cpu_mask)) + continue; + + if (prcm->xtal_speed != sys_ck.rate) + continue; + + if (prcm->mpu_speed <= rate) { + found_speed = prcm->mpu_speed; + break; + } + } + if (!found_speed) { printk(KERN_INFO "Could not set MPU rate to %luMHz\n", rate / 1000000); @@ -353,7 +529,7 @@ static int omap2_select_table_rate(struct clk *clk, unsigned long rate) } curr_prcm_set = prcm; - cur_rate = omap2xxx_clk_get_core_rate(&dpll_ck, dpll_ck.parent->rate); + cur_rate = omap2xxx_clk_get_core_rate(&dpll_ck); if (prcm->dpll_speed == cur_rate / 2) { omap2xxx_sdrc_reprogram(CORE_CLK_SRC_DPLL, 1); @@ -444,13 +620,11 @@ void omap2_clk_init_cpufreq_table(struct cpufreq_frequency_table **table) #endif static struct clk_functions omap2_clk_functions = { - .clk_register = omap2_clk_register, .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_get_parent = omap2_clk_get_parent, .clk_disable_unused = omap2_clk_disable_unused, #ifdef CONFIG_CPU_FREQ .clk_init_cpufreq_table = omap2_clk_init_cpufreq_table, @@ -479,39 +653,21 @@ static u32 omap2_get_sysclkdiv(void) { u32 div; - div = prm_read_mod_reg(OMAP24XX_GR_MOD, - OMAP24XX_PRCM_CLKSRC_CTRL_OFFSET); + div = __raw_readl(OMAP24XX_PRCM_CLKSRC_CTRL); div &= OMAP_SYSCLKDIV_MASK; div >>= OMAP_SYSCLKDIV_SHIFT; return div; } -static void omap2_osc_clk_recalc(struct clk *clk, unsigned long parent_rate, - u8 rate_storage) +static unsigned long omap2_osc_clk_recalc(struct clk *clk) { - unsigned long rate; - - /* XXX osc_ck on 2xxx currently is parentless */ - rate = omap2_get_apll_clkin() * omap2_get_sysclkdiv(); - - if (rate_storage == CURRENT_RATE) - clk->rate = rate; - else if (rate_storage == TEMP_RATE) - clk->temp_rate = rate; + return omap2_get_apll_clkin() * omap2_get_sysclkdiv(); } -static void omap2_sys_clk_recalc(struct clk *clk, unsigned long parent_rate, - u8 rate_storage) +static unsigned long omap2_sys_clk_recalc(struct clk *clk) { - unsigned long rate; - - rate = parent_rate / omap2_get_sysclkdiv(); - - if (rate_storage == CURRENT_RATE) - clk->rate = rate; - else if (rate_storage == TEMP_RATE) - clk->temp_rate = rate; + return clk->parent->rate / omap2_get_sysclkdiv(); } /* @@ -554,8 +710,8 @@ arch_initcall(omap2_clk_arch_init); int __init omap2_clk_init(void) { struct prcm_config *prcm; - struct clk **clkp; - u32 clkrate; + struct omap_clk *c; + u32 clkrate, cpu_mask; if (cpu_is_omap242x()) cpu_mask = RATE_IN_242X; @@ -564,26 +720,28 @@ int __init omap2_clk_init(void) clk_init(&omap2_clk_functions); - omap2_osc_clk_recalc(&osc_ck, 0, CURRENT_RATE); - omap2_sys_clk_recalc(&sys_ck, sys_ck.parent->rate, CURRENT_RATE); + osc_ck.rate = omap2_osc_clk_recalc(&osc_ck); + propagate_rate(&osc_ck); + sys_ck.rate = omap2_sys_clk_recalc(&sys_ck); + propagate_rate(&sys_ck); - for (clkp = onchip_24xx_clks; - clkp < onchip_24xx_clks + ARRAY_SIZE(onchip_24xx_clks); - clkp++) { + for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++) + clk_init_one(c->lk.clk); - if ((*clkp)->flags & CLOCK_IN_OMAP242X && cpu_is_omap2420()) { - clk_register(*clkp); - continue; - } + cpu_mask = 0; + if (cpu_is_omap2420()) + cpu_mask |= CK_242X; + if (cpu_is_omap2430()) + cpu_mask |= CK_243X; - if ((*clkp)->flags & CLOCK_IN_OMAP243X && cpu_is_omap2430()) { - clk_register(*clkp); - continue; + for (c = omap24xx_clks; c < omap24xx_clks + ARRAY_SIZE(omap24xx_clks); c++) + if (c->cpu & cpu_mask) { + clkdev_add(&c->lk); + clk_register(c->lk.clk); } - } /* Check the MPU rate set by bootloader */ - clkrate = omap2xxx_clk_get_core_rate(&dpll_ck, dpll_ck.parent->rate); + clkrate = omap2xxx_clk_get_core_rate(&dpll_ck); for (prcm = rate_table; prcm->mpu_speed; prcm++) { if (!(prcm->flags & cpu_mask)) continue;