diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-omap2/clock.c | 8 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock34xx.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clock34xx.h | 503 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/cm-regbits-34xx.h | 4 |
4 files changed, 410 insertions, 109 deletions
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c index a5b9564ea78e..b57ffb5a22a5 100644 --- a/arch/arm/mach-omap2/clock.c +++ b/arch/arm/mach-omap2/clock.c @@ -111,14 +111,6 @@ u32 omap2_get_dpll_rate(struct clk *clk) dpll_clk = (long long)clk->parent->rate * dpll_mult; do_div(dpll_clk, dpll_div + 1); - /* 34XX only */ - if (dd->div2_reg) { - dpll = __raw_readl(dd->div2_reg); - dpll_div = dpll & dd->div2_mask; - dpll_div >>= __ffs(dd->div2_mask); - do_div(dpll_clk, dpll_div + 1); - } - return dpll_clk; } diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c index f6c82a333815..b42bdd6079a5 100644 --- a/arch/arm/mach-omap2/clock34xx.c +++ b/arch/arm/mach-omap2/clock34xx.c @@ -212,10 +212,10 @@ int __init omap2_clk_init(void) recalculate_root_clocks(); - printk(KERN_INFO "Clocking rate (Crystal/DPLL/MPU): " + printk(KERN_INFO "Clocking rate (Crystal/DPLL/ARM core): " "%ld.%01ld/%ld/%ld MHz\n", (osc_sys_ck.rate / 1000000), (osc_sys_ck.rate / 100000) % 10, - (core_ck.rate / 1000000), (dpll1_fck.rate / 1000000)) ; + (core_ck.rate / 1000000), (arm_fck.rate / 1000000)); /* * Only enable those clocks we will need, let the drivers diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h index e4d73455f4c1..cf4644a94b9b 100644 --- a/arch/arm/mach-omap2/clock34xx.h +++ b/arch/arm/mach-omap2/clock34xx.h @@ -1,6 +1,10 @@ /* * OMAP3 clock framework * + * Virtual clocks are introduced as a convenient tools. + * They are sources for other clocks and not supposed + * to be requested from drivers directly. + * * Copyright (C) 2007-2008 Texas Instruments, Inc. * Copyright (C) 2007-2008 Nokia Corporation * @@ -203,6 +207,36 @@ static struct clk sys_clkout1 = { /* CM CLOCKS */ +static const struct clksel_rate dpll_bypass_rates[] = { + { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, + { .div = 0 } +}; + +static const struct clksel_rate dpll_locked_rates[] = { + { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, + { .div = 0 } +}; + +static const struct clksel_rate div16_dpll_rates[] = { + { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, + { .div = 2, .val = 2, .flags = RATE_IN_343X }, + { .div = 3, .val = 3, .flags = RATE_IN_343X }, + { .div = 4, .val = 4, .flags = RATE_IN_343X }, + { .div = 5, .val = 5, .flags = RATE_IN_343X }, + { .div = 6, .val = 6, .flags = RATE_IN_343X }, + { .div = 7, .val = 7, .flags = RATE_IN_343X }, + { .div = 8, .val = 8, .flags = RATE_IN_343X }, + { .div = 9, .val = 9, .flags = RATE_IN_343X }, + { .div = 10, .val = 10, .flags = RATE_IN_343X }, + { .div = 11, .val = 11, .flags = RATE_IN_343X }, + { .div = 12, .val = 12, .flags = RATE_IN_343X }, + { .div = 13, .val = 13, .flags = RATE_IN_343X }, + { .div = 14, .val = 14, .flags = RATE_IN_343X }, + { .div = 15, .val = 15, .flags = RATE_IN_343X }, + { .div = 16, .val = 16, .flags = RATE_IN_343X }, + { .div = 0 } +}; + /* DPLL1 */ /* MPU clock source */ /* Type: DPLL */ @@ -210,8 +244,6 @@ static const struct dpll_data dpll1_dd = { .mult_div1_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL1_PLL), .mult_mask = OMAP3430_MPU_DPLL_MULT_MASK, .div1_mask = OMAP3430_MPU_DPLL_DIV_MASK, - .div2_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL2_PLL), - .div2_mask = OMAP3430_MPU_DPLL_CLKOUT_DIV_MASK, .control_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKEN_PLL), .enable_mask = OMAP3430_EN_MPU_DPLL_MASK, .auto_recal_bit = OMAP3430_EN_MPU_DPLL_DRIFTGUARD_SHIFT, @@ -228,15 +260,37 @@ static struct clk dpll1_ck = { }; /* - * REVISIT: This clock is never specifically defined in the 3430 TRM, - * although it is referenced - so this is a guess + * This virtual clock provides the CLKOUTX2 output from the DPLL if the + * DPLL isn't bypassed. */ -static struct clk emu_mpu_alwon_ck = { - .name = "emu_mpu_alwon_ck", +static struct clk dpll1_x2_ck = { + .name = "dpll1_x2_ck", .parent = &dpll1_ck, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, - .recalc = &followparent_recalc, + .recalc = &omap3_clkoutx2_recalc, +}; + +/* On DPLL1, unlike other DPLLs, the divider is downstream from CLKOUTX2 */ +static const struct clksel div16_dpll1_x2m2_clksel[] = { + { .parent = &dpll1_x2_ck, .rates = div16_dpll_rates }, + { .parent = NULL } +}; + +/* + * Does not exist in the TRM - needed to separate the M2 divider from + * bypass selection in mpu_ck + */ +static struct clk dpll1_x2m2_ck = { + .name = "dpll1_x2m2_ck", + .parent = &dpll1_x2_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_CLKSEL2_PLL), + .clksel_mask = OMAP3430_MPU_DPLL_CLKOUT_DIV_MASK, + .clksel = div16_dpll1_x2m2_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, }; /* DPLL2 */ @@ -247,8 +301,6 @@ static const struct dpll_data dpll2_dd = { .mult_div1_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSEL1_PLL), .mult_mask = OMAP3430_IVA2_DPLL_MULT_MASK, .div1_mask = OMAP3430_IVA2_DPLL_DIV_MASK, - .div2_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKSEL2_PLL), - .div2_mask = OMAP3430_IVA2_DPLL_CLKOUT_DIV_MASK, .control_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, OMAP3430_CM_CLKEN_PLL), .enable_mask = OMAP3430_EN_IVA2_DPLL_MASK, .auto_recal_bit = OMAP3430_EN_IVA2_DPLL_DRIFTGUARD_SHIFT, @@ -264,6 +316,28 @@ static struct clk dpll2_ck = { .recalc = &omap3_dpll_recalc, }; +static const struct clksel div16_dpll2_m2x2_clksel[] = { + { .parent = &dpll2_ck, .rates = div16_dpll_rates }, + { .parent = NULL } +}; + +/* + * The TRM is conflicted on whether IVA2 clock comes from DPLL2 CLKOUT + * or CLKOUTX2. CLKOUT seems most plausible. + */ +static struct clk dpll2_m2_ck = { + .name = "dpll2_m2_ck", + .parent = &dpll2_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, + OMAP3430_CM_CLKSEL2_PLL), + .clksel_mask = OMAP3430_IVA2_DPLL_CLKOUT_DIV_MASK, + .clksel = div16_dpll2_m2x2_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, +}; + /* DPLL3 */ /* Source clock for all interfaces and for some device fclks */ /* Type: DPLL */ @@ -271,8 +345,6 @@ static const struct dpll_data dpll3_dd = { .mult_div1_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), .mult_mask = OMAP3430_CORE_DPLL_MULT_MASK, .div1_mask = OMAP3430_CORE_DPLL_DIV_MASK, - .div2_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKSEL1), - .div2_mask = OMAP3430_CORE_DPLL_CLKOUT_DIV_MASK, .control_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_mask = OMAP3430_EN_CORE_DPLL_MASK, .auto_recal_bit = OMAP3430_EN_CORE_DPLL_DRIFTGUARD_SHIFT, @@ -288,24 +360,16 @@ static struct clk dpll3_ck = { .recalc = &omap3_dpll_recalc, }; -static const struct clksel_rate div16_dpll_rates[] = { - { .div = 1, .val = 1, .flags = RATE_IN_343X | DEFAULT_RATE }, - { .div = 2, .val = 2, .flags = RATE_IN_343X }, - { .div = 3, .val = 3, .flags = RATE_IN_343X }, - { .div = 4, .val = 4, .flags = RATE_IN_343X }, - { .div = 5, .val = 5, .flags = RATE_IN_343X }, - { .div = 6, .val = 6, .flags = RATE_IN_343X }, - { .div = 7, .val = 7, .flags = RATE_IN_343X }, - { .div = 8, .val = 8, .flags = RATE_IN_343X }, - { .div = 9, .val = 9, .flags = RATE_IN_343X }, - { .div = 10, .val = 10, .flags = RATE_IN_343X }, - { .div = 11, .val = 11, .flags = RATE_IN_343X }, - { .div = 12, .val = 12, .flags = RATE_IN_343X }, - { .div = 13, .val = 13, .flags = RATE_IN_343X }, - { .div = 14, .val = 14, .flags = RATE_IN_343X }, - { .div = 15, .val = 15, .flags = RATE_IN_343X }, - { .div = 16, .val = 16, .flags = RATE_IN_343X }, - { .div = 0 } +/* + * This virtual clock provides the CLKOUTX2 output from the DPLL if the + * DPLL isn't bypassed + */ +static struct clk dpll3_x2_ck = { + .name = "dpll3_x2_ck", + .parent = &dpll3_ck, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap3_clkoutx2_recalc, }; static const struct clksel_rate div31_dpll3_rates[] = { @@ -349,9 +413,9 @@ static const struct clksel div31_dpll3m2_clksel[] = { }; /* - * REVISIT: Not sure what to do about clksel & these M2 divider clocks. - * Shouldn't they be changed in SRAM? - * This should probably remain a 'read-only' clksel clock. + * DPLL3 output M2 + * REVISIT: This DPLL output divider must be changed in SRAM, so until + * that code is ready, this should remain a 'read-only' clksel clock. */ static struct clk dpll3_m2_ck = { .name = "dpll3_m2_ck", @@ -365,58 +429,85 @@ static struct clk dpll3_m2_ck = { .recalc = &omap2_clksel_recalc, }; +static const struct clksel core_ck_clksel[] = { + { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &dpll3_m2_ck, .rates = dpll_locked_rates }, + { .parent = NULL } +}; + static struct clk core_ck = { .name = "core_ck", - .parent = &dpll3_m2_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), + .clksel_mask = OMAP3430_ST_CORE_CLK, + .clksel = core_ck_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, - .recalc = &followparent_recalc, + .recalc = &omap2_clksel_recalc, }; -/* - * This virtual clock provides the CLKOUTX2 output from the DPLL if the - * DPLL isn't bypassed - */ -static struct clk dpll3_x2_ck = { - .name = "dpll3_x2_ck", - .parent = &core_ck, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | - PARENT_CONTROLS_CLOCK, - .recalc = &omap3_clkoutx2_recalc, +static const struct clksel dpll3_m2x2_ck_clksel[] = { + { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &dpll3_x2_ck, .rates = dpll_locked_rates }, + { .parent = NULL } }; static struct clk dpll3_m2x2_ck = { .name = "dpll3_m2x2_ck", - .parent = &dpll3_x2_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), + .clksel_mask = OMAP3430_ST_CORE_CLK, + .clksel = dpll3_m2x2_ck_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, - .recalc = &followparent_recalc, + .recalc = &omap2_clksel_recalc, +}; + +/* The PWRDN bit is apparently only available on 3430ES2 and above */ +static const struct clksel div16_dpll3_clksel[] = { + { .parent = &dpll3_ck, .rates = div16_dpll_rates }, + { .parent = NULL } +}; + +/* This virtual clock is the source for dpll3_m3x2_ck */ +static struct clk dpll3_m3_ck = { + .name = "dpll3_m3_ck", + .parent = &dpll3_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), + .clksel_mask = OMAP3430_DIV_DPLL3_MASK, + .clksel = div16_dpll3_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, }; /* The PWRDN bit is apparently only available on 3430ES2 and above */ static struct clk dpll3_m3x2_ck = { .name = "dpll3_m3x2_ck", - .parent = &dpll3_x2_ck, + .parent = &dpll3_m3_ck, .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP3430_PWRDN_EMU_CORE_SHIFT, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE, - .recalc = &followparent_recalc, + .recalc = &omap3_clkoutx2_recalc, }; -static const struct clksel div16_dpll3_clksel[] = { - { .parent = &dpll3_x2_ck, .rates = div16_dpll_rates }, +static const struct clksel emu_core_alwon_ck_clksel[] = { + { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &dpll3_m3x2_ck, .rates = dpll_locked_rates }, { .parent = NULL } }; static struct clk emu_core_alwon_ck = { .name = "emu_core_alwon_ck", - .parent = &dpll3_x2_ck, + .parent = &dpll3_m3x2_ck, .init = &omap2_init_clksel_parent, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), - .clksel_mask = OMAP3430_DIV_DPLL3_MASK, - .clksel = div16_dpll3_clksel, - .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES, - .recalc = &followparent_recalc, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), + .clksel_mask = OMAP3430_ST_CORE_CLK, + .clksel = emu_core_alwon_ck_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, }; /* DPLL4 */ @@ -443,7 +534,8 @@ static struct clk dpll4_ck = { /* * This virtual clock provides the CLKOUTX2 output from the DPLL if the - * DPLL isn't bypassed + * DPLL isn't bypassed -- + * XXX does this serve any downstream clocks? */ static struct clk dpll4_x2_ck = { .name = "dpll4_x2_ck", @@ -454,30 +546,49 @@ static struct clk dpll4_x2_ck = { }; static const struct clksel div16_dpll4_clksel[] = { - { .parent = &dpll4_x2_ck, .rates = div16_dpll_rates }, + { .parent = &dpll4_ck, .rates = div16_dpll_rates }, { .parent = NULL } }; +/* This virtual clock is the source for dpll4_m2x2_ck */ +static struct clk dpll4_m2_ck = { + .name = "dpll4_m2_ck", + .parent = &dpll4_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430_CM_CLKSEL3), + .clksel_mask = OMAP3430_DIV_96M_MASK, + .clksel = div16_dpll4_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, +}; + /* The PWRDN bit is apparently only available on 3430ES2 and above */ static struct clk dpll4_m2x2_ck = { .name = "dpll4_m2x2_ck", - .parent = &dpll4_x2_ck, - .init = &omap2_init_clksel_parent, + .parent = &dpll4_m2_ck, .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP3430_PWRDN_96M_SHIFT, - .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430_CM_CLKSEL3), - .clksel_mask = OMAP3430_DIV_96M_MASK, - .clksel = div16_dpll4_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE, - .recalc = &omap2_clksel_recalc, + .recalc = &omap3_clkoutx2_recalc, +}; + +static const struct clksel omap_96m_alwon_fck_clksel[] = { + { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &dpll4_m2x2_ck, .rates = dpll_locked_rates }, + { .parent = NULL } }; static struct clk omap_96m_alwon_fck = { .name = "omap_96m_alwon_fck", .parent = &dpll4_m2x2_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), + .clksel_mask = OMAP3430_ST_PERIPH_CLK, + .clksel = omap_96m_alwon_fck_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, - .recalc = &followparent_recalc, + .recalc = &omap2_clksel_recalc, }; static struct clk omap_96m_fck = { @@ -488,25 +599,63 @@ static struct clk omap_96m_fck = { .recalc = &followparent_recalc, }; +static const struct clksel cm_96m_fck_clksel[] = { + { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &dpll4_m2x2_ck, .rates = dpll_locked_rates }, + { .parent = NULL } +}; + static struct clk cm_96m_fck = { .name = "cm_96m_fck", .parent = &dpll4_m2x2_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), + .clksel_mask = OMAP3430_ST_PERIPH_CLK, + .clksel = cm_96m_fck_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | PARENT_CONTROLS_CLOCK, - .recalc = &followparent_recalc, + .recalc = &omap2_clksel_recalc, +}; + +/* This virtual clock is the source for dpll4_m3x2_ck */ +static struct clk dpll4_m3_ck = { + .name = "dpll4_m3_ck", + .parent = &dpll4_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL), + .clksel_mask = OMAP3430_CLKSEL_TV_MASK, + .clksel = div16_dpll4_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, }; /* The PWRDN bit is apparently only available on 3430ES2 and above */ static struct clk dpll4_m3x2_ck = { .name = "dpll4_m3x2_ck", - .parent = &dpll4_x2_ck, + .parent = &dpll4_m3_ck, .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP3430_PWRDN_TV_SHIFT, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_TV_MASK, - .clksel = div16_dpll4_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE, + .recalc = &omap3_clkoutx2_recalc, +}; + +static const struct clksel virt_omap_54m_fck_clksel[] = { + { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &dpll4_m3x2_ck, .rates = dpll_locked_rates }, + { .parent = NULL } +}; + +static struct clk virt_omap_54m_fck = { + .name = "virt_omap_54m_fck", + .parent = &dpll4_m3x2_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), + .clksel_mask = OMAP3430_ST_PERIPH_CLK, + .clksel = virt_omap_54m_fck_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, .recalc = &omap2_clksel_recalc, }; @@ -521,7 +670,7 @@ static const struct clksel_rate omap_54m_alt_rates[] = { }; static const struct clksel omap_54m_clksel[] = { - { .parent = &dpll4_m3x2_ck, .rates = omap_54m_d4m3x2_rates }, + { .parent = &virt_omap_54m_fck, .rates = omap_54m_d4m3x2_rates }, { .parent = &sys_altclk, .rates = omap_54m_alt_rates }, { .parent = NULL } }; @@ -573,46 +722,74 @@ static struct clk omap_12m_fck = { .recalc = &omap2_fixed_divisor_recalc, }; +/* This virstual clock is the source for dpll4_m4x2_ck */ +static struct clk dpll4_m4_ck = { + .name = "dpll4_m4_ck", + .parent = &dpll4_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL), + .clksel_mask = OMAP3430_CLKSEL_DSS1_MASK, + .clksel = div16_dpll4_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, +}; + /* The PWRDN bit is apparently only available on 3430ES2 and above */ static struct clk dpll4_m4x2_ck = { .name = "dpll4_m4x2_ck", - .parent = &dpll4_x2_ck, - .init = &omap2_init_clksel_parent, + .parent = &dpll4_m4_ck, .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP3430_PWRDN_CAM_SHIFT, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_DSS1_MASK, - .clksel = div16_dpll4_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE, + .recalc = &omap3_clkoutx2_recalc, +}; + +/* This virtual clock is the source for dpll4_m5x2_ck */ +static struct clk dpll4_m5_ck = { + .name = "dpll4_m5_ck", + .parent = &dpll4_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL), + .clksel_mask = OMAP3430_CLKSEL_CAM_MASK, + .clksel = div16_dpll4_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, .recalc = &omap2_clksel_recalc, }; /* The PWRDN bit is apparently only available on 3430ES2 and above */ static struct clk dpll4_m5x2_ck = { .name = "dpll4_m5x2_ck", - .parent = &dpll4_x2_ck, - .init = &omap2_init_clksel_parent, + .parent = &dpll4_m5_ck, .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP3430_PWRDN_CAM_SHIFT, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL), - .clksel_mask = OMAP3430_CLKSEL_CAM_MASK, - .clksel = div16_dpll4_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE, + .recalc = &omap3_clkoutx2_recalc, +}; + +/* This virtual clock is the source for dpll4_m6x2_ck */ +static struct clk dpll4_m6_ck = { + .name = "dpll4_m6_ck", + .parent = &dpll4_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), + .clksel_mask = OMAP3430_DIV_DPLL4_MASK, + .clksel = div16_dpll4_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, .recalc = &omap2_clksel_recalc, }; /* The PWRDN bit is apparently only available on 3430ES2 and above */ static struct clk dpll4_m6x2_ck = { .name = "dpll4_m6x2_ck", - .parent = &dpll4_x2_ck, + .parent = &dpll4_m6_ck, .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(PLL_MOD, CM_CLKEN), .enable_bit = OMAP3430_PWRDN_EMU_PERIPH_SHIFT, - .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1), - .clksel_mask = OMAP3430_DIV_DPLL4_MASK, - .clksel = div16_dpll4_clksel, .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | INVERT_ENABLE, - .recalc = &omap2_clksel_recalc, + .recalc = &omap3_clkoutx2_recalc, }; static struct clk emu_per_alwon_ck = { @@ -647,7 +824,7 @@ static struct clk dpll5_ck = { .recalc = &omap3_dpll_recalc, }; -static const struct clksel div16_dpll5m2_clksel[] = { +static const struct clksel div16_dpll5_clksel[] = { { .parent = &dpll5_ck, .rates = div16_dpll_rates }, { .parent = NULL } }; @@ -658,16 +835,27 @@ static struct clk dpll5_m2_ck = { .init = &omap2_init_clksel_parent, .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, OMAP3430ES2_CM_CLKSEL5), .clksel_mask = OMAP3430ES2_DIV_120M_MASK, - .clksel = div16_dpll5m2_clksel, + .clksel = div16_dpll5_clksel, .flags = CLOCK_IN_OMAP3430ES2 | RATE_PROPAGATES, .recalc = &omap2_clksel_recalc, }; +static const struct clksel omap_120m_fck_clksel[] = { + { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &dpll5_m2_ck, .rates = dpll_locked_rates }, + { .parent = NULL } +}; + static struct clk omap_120m_fck = { .name = "omap_120m_fck", .parent = &dpll5_m2_ck, - .flags = CLOCK_IN_OMAP3430ES2 | RATE_PROPAGATES, - .recalc = &followparent_recalc, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST2), + .clksel_mask = OMAP3430ES2_ST_PERIPH2_CLK_MASK, + .clksel = omap_120m_fck_clksel, + .flags = CLOCK_IN_OMAP3430ES2 | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, }; /* CM EXTERNAL CLOCK OUTPUTS */ @@ -753,10 +941,10 @@ static const struct clksel div2_core_clksel[] = { { .parent = NULL } }; -/* TRM s. 4.7.7.4 lists the input for these two clocks as CORE_CK, - but presuming that is an error, or at least an overgeneralization */ -/* REVISIT: Are these in DPLL power domain or CM power domain? docs - may be inconsistent here? */ +/* + * REVISIT: Are these in DPLL power domain or CM power domain? docs + * may be inconsistent here? + */ static struct clk dpll1_fck = { .name = "dpll1_fck", .parent = &core_ck, @@ -769,6 +957,66 @@ static struct clk dpll1_fck = { .recalc = &omap2_clksel_recalc, }; +/* + * MPU clksel: + * If DPLL1 is locked, mpu_ck derives from DPLL1; otherwise, mpu_ck + * derives from the high-frequency bypass clock originating from DPLL3, + * called 'dpll1_fck' + */ +static const struct clksel mpu_clksel[] = { + { .parent = &dpll1_fck, .rates = dpll_bypass_rates }, + { .parent = &dpll1_x2m2_ck, .rates = dpll_locked_rates }, + { .parent = NULL } +}; + +static struct clk mpu_ck = { + .name = "mpu_ck", + .parent = &dpll1_x2m2_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL), + .clksel_mask = OMAP3430_ST_MPU_CLK_MASK, + .clksel = mpu_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, +}; + +/* arm_fck is divided by two when DPLL1 locked; otherwise, passthrough mpu_ck */ +static const struct clksel_rate arm_fck_rates[] = { + { .div = 1, .val = 0, .flags = RATE_IN_343X | DEFAULT_RATE }, + { .div = 2, .val = 1, .flags = RATE_IN_343X }, + { .div = 0 }, +}; + +static const struct clksel arm_fck_clksel[] = { + { .parent = &mpu_ck, .rates = arm_fck_rates }, + { .parent = NULL } +}; + +static struct clk arm_fck = { + .name = "arm_fck", + .parent = &mpu_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(MPU_MOD, OMAP3430_CM_IDLEST_PLL), + .clksel_mask = OMAP3430_ST_MPU_CLK_MASK, + .clksel = arm_fck_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, +}; + +/* + * REVISIT: This clock is never specifically defined in the 3430 TRM, + * although it is referenced - so this is a guess + */ +static struct clk emu_mpu_alwon_ck = { + .name = "emu_mpu_alwon_ck", + .parent = &mpu_ck, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &followparent_recalc, +}; + static struct clk dpll2_fck = { .name = "dpll2_fck", .parent = &core_ck, @@ -781,6 +1029,32 @@ static struct clk dpll2_fck = { .recalc = &omap2_clksel_recalc, }; +/* + * IVA2 clksel: + * If DPLL2 is locked, iva2_ck derives from DPLL2; otherwise, iva2_ck + * derives from the high-frequency bypass clock originating from DPLL3, + * called 'dpll2_fck' + */ + +static const struct clksel iva2_clksel[] = { + { .parent = &dpll2_fck, .rates = dpll_bypass_rates }, + { .parent = &dpll2_m2_ck, .rates = dpll_locked_rates }, + { .parent = NULL } +}; + +static struct clk iva2_ck = { + .name = "iva2_ck", + .parent = &dpll2_m2_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(OMAP3430_IVA2_MOD, + OMAP3430_CM_IDLEST_PLL), + .clksel_mask = OMAP3430_ST_IVA2_CLK_MASK, + .clksel = iva2_clksel, + .flags = CLOCK_IN_OMAP343X | RATE_PROPAGATES | + PARENT_CONTROLS_CLOCK, + .recalc = &omap2_clksel_recalc, +}; + /* Common interface clocks */ static struct clk l3_ick = { @@ -831,7 +1105,7 @@ static struct clk rm_ick = { /* GFX power domain */ -/* GFX clocks are in 3430ES1 only. 3430ES2 and later uses the SGX instead */ +/* GFX clocks are in 3430ES1 only. 3430ES2 and later uses the SGX instead */ static const struct clksel gfx_l3_clksel[] = { { .parent = &l3_ick, .rates = gfx_l3_rates }, @@ -1645,14 +1919,23 @@ static struct clk des1_ick = { }; /* DSS */ +static const struct clksel dss1_alwon_fck_clksel[] = { + { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &dpll4_m4x2_ck, .rates = dpll_locked_rates }, + { .parent = NULL } +}; static struct clk dss1_alwon_fck = { .name = "dss1_alwon_fck", .parent = &dpll4_m4x2_ck, + .init = &omap2_init_clksel_parent, .enable_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_DSS1_SHIFT, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), + .clksel_mask = OMAP3430_ST_PERIPH_CLK, + .clksel = dss1_alwon_fck_clksel, .flags = CLOCK_IN_OMAP343X, - .recalc = &followparent_recalc, + .recalc = &omap2_clksel_recalc, }; static struct clk dss_tv_fck = { @@ -1694,13 +1977,23 @@ static struct clk dss_ick = { /* CAM */ +static const struct clksel cam_mclk_clksel[] = { + { .parent = &sys_ck, .rates = dpll_bypass_rates }, + { .parent = &dpll4_m5x2_ck, .rates = dpll_locked_rates }, + { .parent = NULL } +}; + static struct clk cam_mclk = { .name = "cam_mclk", .parent = &dpll4_m5x2_ck, + .init = &omap2_init_clksel_parent, + .clksel_reg = OMAP_CM_REGADDR(PLL_MOD, CM_IDLEST), + .clksel_mask = OMAP3430_ST_PERIPH_CLK, + .clksel = cam_mclk_clksel, .enable_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_FCLKEN), .enable_bit = OMAP3430_EN_CAM_SHIFT, .flags = CLOCK_IN_OMAP343X, - .recalc = &followparent_recalc, + .recalc = &omap2_clksel_recalc, }; static struct clk cam_l3_ick = { @@ -2497,7 +2790,6 @@ static struct clk wdt1_fck = { .recalc = &followparent_recalc, }; - static struct clk *onchip_34xx_clks[] __initdata = { &omap_32k_fck, &virt_12m_ck, @@ -2512,13 +2804,16 @@ static struct clk *onchip_34xx_clks[] __initdata = { &mcbsp_clks, &sys_clkout1, &dpll1_ck, - &emu_mpu_alwon_ck, + &dpll1_x2_ck, + &dpll1_x2m2_ck, &dpll2_ck, + &dpll2_m2_ck, &dpll3_ck, &core_ck, &dpll3_x2_ck, &dpll3_m2_ck, &dpll3_m2x2_ck, + &dpll3_m3_ck, &dpll3_m3x2_ck, &emu_core_alwon_ck, &dpll4_ck, @@ -2526,13 +2821,19 @@ static struct clk *onchip_34xx_clks[] __initdata = { &omap_96m_alwon_fck, &omap_96m_fck, &cm_96m_fck, + &virt_omap_54m_fck, &omap_54m_fck, &omap_48m_fck, &omap_12m_fck, + &dpll4_m2_ck, &dpll4_m2x2_ck, + &dpll4_m3_ck, &dpll4_m3x2_ck, + &dpll4_m4_ck, &dpll4_m4x2_ck, + &dpll4_m5_ck, &dpll4_m5x2_ck, + &dpll4_m6_ck, &dpll4_m6x2_ck, &emu_per_alwon_ck, &dpll5_ck, @@ -2542,7 +2843,11 @@ static struct clk *onchip_34xx_clks[] __initdata = { &sys_clkout2, &corex2_fck, &dpll1_fck, + &mpu_ck, + &arm_fck, + &emu_mpu_alwon_ck, &dpll2_fck, + &iva2_ck, &l3_ick, &l4_ick, &rm_ick, diff --git a/arch/arm/mach-omap2/cm-regbits-34xx.h b/arch/arm/mach-omap2/cm-regbits-34xx.h index 317040887152..9249129a5f46 100644 --- a/arch/arm/mach-omap2/cm-regbits-34xx.h +++ b/arch/arm/mach-omap2/cm-regbits-34xx.h @@ -115,6 +115,10 @@ /* CM_IDLEST_PLL_MPU */ #define OMAP3430_ST_MPU_CLK (1 << 0) +#define OMAP3430_ST_IVA2_CLK_MASK (1 << 0) + +/* CM_IDLEST_PLL_MPU */ +#define OMAP3430_ST_MPU_CLK_MASK (1 << 0) /* CM_AUTOIDLE_PLL_MPU */ #define OMAP3430_AUTO_MPU_DPLL_SHIFT 0 |