diff options
Diffstat (limited to 'arch/arm/mach-omap2/clock24xx.c')
| -rw-r--r-- | arch/arm/mach-omap2/clock24xx.c | 377 |
1 files changed, 306 insertions, 71 deletions
diff --git a/arch/arm/mach-omap2/clock24xx.c b/arch/arm/mach-omap2/clock24xx.c index d382eb0184ac..1e839c5a28c5 100644 --- a/arch/arm/mach-omap2/clock24xx.c +++ b/arch/arm/mach-omap2/clock24xx.c @@ -31,15 +31,192 @@ #include <mach/clock.h> #include <mach/sram.h> #include <asm/div64.h> +#include <asm/clkdev.h> -#include "memory.h" +#include <mach/sdrc.h> #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 @@ -59,19 +236,32 @@ static struct clk *sclk; * Omap24xx specific clock functions *-------------------------------------------------------------------------*/ -/* This actually returns the rate of core_ck, not dpll_ck. */ -static u32 omap2_get_dpll_rate_24xx(struct clk *tclk) +/** + * omap2xxx_clk_get_core_rate - return the CORE_CLK rate + * @clk: pointer to the combined dpll_ck + core_ck (currently "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 + * (the latter is unusual). This currently should be called with + * struct clk *dpll_ck, which is a composite clock of dpll_ck and + * core_ck. + */ +static unsigned long omap2xxx_clk_get_core_rate(struct clk *clk) { - long long dpll_clk; - u8 amult; + long long core_clk; + u32 v; + + core_clk = omap2_get_dpll_rate(clk); - dpll_clk = omap2_get_dpll_rate(tclk); + v = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2); + v &= OMAP24XX_CORE_CLK_SRC_MASK; - amult = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2); - amult &= OMAP24XX_CORE_CLK_SRC_MASK; - dpll_clk *= amult; + if (v == CORE_CLK_SRC_32K) + core_clk = 32768; + else + core_clk *= v; - return dpll_clk; + return core_clk; } static int omap2_enable_osc_ck(struct clk *clk) @@ -96,6 +286,11 @@ static void omap2_disable_osc_ck(struct clk *clk) OMAP24XX_PRCM_CLKSRC_CTRL); } +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) @@ -149,11 +344,16 @@ 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. */ -long omap2_dpllcore_round_rate(unsigned long target_rate) +static long omap2_dpllcore_round_rate(unsigned long target_rate) { u32 high, low, core_clk_src; @@ -182,11 +382,9 @@ long omap2_dpllcore_round_rate(unsigned long target_rate) } -static void omap2_dpllcore_recalc(struct clk *clk) +static unsigned long omap2_dpllcore_recalc(struct clk *clk) { - clk->rate = omap2_get_dpll_rate_24xx(clk); - - propagate_rate(clk); + return omap2xxx_clk_get_core_rate(clk); } static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate) @@ -195,22 +393,19 @@ static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate) u32 bypass = 0; struct prcm_config tmpset; const struct dpll_data *dd; - unsigned long flags; - int ret = -EINVAL; - local_irq_save(flags); - cur_rate = omap2_get_dpll_rate_24xx(&dpll_ck); + cur_rate = omap2xxx_clk_get_core_rate(&dpll_ck); mult = cm_read_mod_reg(PLL_MOD, CM_CLKSEL2); mult &= OMAP24XX_CORE_CLK_SRC_MASK; if ((rate == (cur_rate / 2)) && (mult == 2)) { - omap2_reprogram_sdrc(CORE_CLK_SRC_DPLL, 1); + omap2xxx_sdrc_reprogram(CORE_CLK_SRC_DPLL, 1); } else if ((rate == (cur_rate * 2)) && (mult == 1)) { - omap2_reprogram_sdrc(CORE_CLK_SRC_DPLL_X2, 1); + omap2xxx_sdrc_reprogram(CORE_CLK_SRC_DPLL_X2, 1); } else if (rate != cur_rate) { valid_rate = omap2_dpllcore_round_rate(rate); if (valid_rate != rate) - goto dpll_exit; + return -EINVAL; if (mult == 1) low = curr_prcm_set->dpll_speed; @@ -219,7 +414,7 @@ static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate) dd = clk->dpll_data; if (!dd) - goto dpll_exit; + return -EINVAL; tmpset.cm_clksel1_pll = __raw_readl(dd->mult_div1_reg); tmpset.cm_clksel1_pll &= ~(dd->mult_mask | @@ -245,22 +440,19 @@ static int omap2_reprogram_dpllcore(struct clk *clk, unsigned long rate) if (rate == curr_prcm_set->xtal_speed) /* If asking for 1-1 */ bypass = 1; - omap2_reprogram_sdrc(CORE_CLK_SRC_DPLL_X2, 1); /* For init_mem */ + /* For omap2xxx_sdrc_init_params() */ + omap2xxx_sdrc_reprogram(CORE_CLK_SRC_DPLL_X2, 1); /* Force dll lock mode */ omap2_set_prcm(tmpset.cm_clksel1_pll, tmpset.base_sdrc_rfr, bypass); /* Errata: ret dll entry state */ - omap2_init_memory_params(omap2_dll_force_needed()); - omap2_reprogram_sdrc(done_rate, 0); + omap2xxx_sdrc_init_params(omap2xxx_sdrc_dll_is_unlocked()); + omap2xxx_sdrc_reprogram(done_rate, 0); } - omap2_dpllcore_recalc(&dpll_ck); - ret = 0; -dpll_exit: - local_irq_restore(flags); - return(ret); + return 0; } /** @@ -269,9 +461,9 @@ dpll_exit: * * 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) +static unsigned long omap2_table_mpu_recalc(struct clk *clk) { - clk->rate = curr_prcm_set->mpu_speed; + return curr_prcm_set->mpu_speed; } /* @@ -337,12 +529,12 @@ static int omap2_select_table_rate(struct clk *clk, unsigned long rate) } curr_prcm_set = prcm; - cur_rate = omap2_get_dpll_rate_24xx(&dpll_ck); + cur_rate = omap2xxx_clk_get_core_rate(&dpll_ck); if (prcm->dpll_speed == cur_rate / 2) { - omap2_reprogram_sdrc(CORE_CLK_SRC_DPLL, 1); + omap2xxx_sdrc_reprogram(CORE_CLK_SRC_DPLL, 1); } else if (prcm->dpll_speed == cur_rate * 2) { - omap2_reprogram_sdrc(CORE_CLK_SRC_DPLL_X2, 1); + omap2xxx_sdrc_reprogram(CORE_CLK_SRC_DPLL_X2, 1); } else if (prcm->dpll_speed != cur_rate) { local_irq_save(flags); @@ -366,27 +558,67 @@ static int omap2_select_table_rate(struct clk *clk, unsigned long rate) /* Major subsystem dividers */ tmp = cm_read_mod_reg(CORE_MOD, CM_CLKSEL1) & OMAP24XX_CLKSEL_DSS2_MASK; - cm_write_mod_reg(prcm->cm_clksel1_core | tmp, CORE_MOD, CM_CLKSEL1); + cm_write_mod_reg(prcm->cm_clksel1_core | tmp, CORE_MOD, + CM_CLKSEL1); + if (cpu_is_omap2430()) cm_write_mod_reg(prcm->cm_clksel_mdm, OMAP2430_MDM_MOD, CM_CLKSEL); - /* x2 to enter init_mem */ - omap2_reprogram_sdrc(CORE_CLK_SRC_DPLL_X2, 1); + /* x2 to enter omap2xxx_sdrc_init_params() */ + omap2xxx_sdrc_reprogram(CORE_CLK_SRC_DPLL_X2, 1); omap2_set_prcm(prcm->cm_clksel1_pll, prcm->base_sdrc_rfr, bypass); - omap2_init_memory_params(omap2_dll_force_needed()); - omap2_reprogram_sdrc(done_rate, 0); + omap2xxx_sdrc_init_params(omap2xxx_sdrc_dll_is_unlocked()); + omap2xxx_sdrc_reprogram(done_rate, 0); local_irq_restore(flags); } - omap2_dpllcore_recalc(&dpll_ck); return 0; } +#ifdef CONFIG_CPU_FREQ +/* + * Walk PRCM rate table and fillout cpufreq freq_table + */ +static struct cpufreq_frequency_table freq_table[ARRAY_SIZE(rate_table)]; + +void omap2_clk_init_cpufreq_table(struct cpufreq_frequency_table **table) +{ + struct prcm_config *prcm; + int i = 0; + + for (prcm = rate_table; prcm->mpu_speed; prcm++) { + if (!(prcm->flags & cpu_mask)) + continue; + if (prcm->xtal_speed != sys_ck.rate) + continue; + + /* don't put bypass rates in table */ + if (prcm->dpll_speed == prcm->xtal_speed) + continue; + + freq_table[i].index = i; + freq_table[i].frequency = prcm->mpu_speed / 1000; + i++; + } + + if (i == 0) { + printk(KERN_WARNING "%s: failed to initialize frequency " + "table\n", __func__); + return; + } + + freq_table[i].index = i; + freq_table[i].frequency = CPUFREQ_TABLE_END; + + *table = &freq_table[0]; +} +#endif + static struct clk_functions omap2_clk_functions = { .clk_enable = omap2_clk_enable, .clk_disable = omap2_clk_disable, @@ -394,24 +626,27 @@ static struct clk_functions omap2_clk_functions = { .clk_set_rate = omap2_clk_set_rate, .clk_set_parent = omap2_clk_set_parent, .clk_disable_unused = omap2_clk_disable_unused, +#ifdef CONFIG_CPU_FREQ + .clk_init_cpufreq_table = omap2_clk_init_cpufreq_table, +#endif }; static u32 omap2_get_apll_clkin(void) { - u32 aplls, sclk = 0; + u32 aplls, srate = 0; aplls = cm_read_mod_reg(PLL_MOD, CM_CLKSEL1); aplls &= OMAP24XX_APLLS_CLKIN_MASK; aplls >>= OMAP24XX_APLLS_CLKIN_SHIFT; if (aplls == APLLS_CLKIN_19_2MHZ) - sclk = 19200000; + srate = 19200000; else if (aplls == APLLS_CLKIN_13MHZ) - sclk = 13000000; + srate = 13000000; else if (aplls == APLLS_CLKIN_12MHZ) - sclk = 12000000; + srate = 12000000; - return sclk; + return srate; } static u32 omap2_get_sysclkdiv(void) @@ -425,16 +660,14 @@ static u32 omap2_get_sysclkdiv(void) return div; } -static void omap2_osc_clk_recalc(struct clk *clk) +static unsigned long omap2_osc_clk_recalc(struct clk *clk) { - clk->rate = omap2_get_apll_clkin() * omap2_get_sysclkdiv(); - propagate_rate(clk); + return omap2_get_apll_clkin() * omap2_get_sysclkdiv(); } -static void omap2_sys_clk_recalc(struct clk *clk) +static unsigned long omap2_sys_clk_recalc(struct clk *clk) { - clk->rate = clk->parent->rate / omap2_get_sysclkdiv(); - propagate_rate(clk); + return clk->parent->rate / omap2_get_sysclkdiv(); } /* @@ -460,7 +693,7 @@ static int __init omap2_clk_arch_init(void) if (!mpurate) return -EINVAL; - if (omap2_select_table_rate(&virt_prcm_set, mpurate)) + if (clk_set_rate(&virt_prcm_set, mpurate)) printk(KERN_ERR "Could not find matching MPU rate\n"); recalculate_root_clocks(); @@ -477,8 +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; @@ -487,26 +720,28 @@ int __init omap2_clk_init(void) clk_init(&omap2_clk_functions); - omap2_osc_clk_recalc(&osc_ck); - omap2_sys_clk_recalc(&sys_ck); + 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 = omap2_get_dpll_rate_24xx(&dpll_ck); + clkrate = omap2xxx_clk_get_core_rate(&dpll_ck); for (prcm = rate_table; prcm->mpu_speed; prcm++) { if (!(prcm->flags & cpu_mask)) continue; |