diff options
Diffstat (limited to 'arch/arm/mach-omap2/clock2xxx.c')
-rw-r--r-- | arch/arm/mach-omap2/clock2xxx.c | 67 |
1 files changed, 9 insertions, 58 deletions
diff --git a/arch/arm/mach-omap2/clock2xxx.c b/arch/arm/mach-omap2/clock2xxx.c index a48b01ab0e35..80bb0f0e92e6 100644 --- a/arch/arm/mach-omap2/clock2xxx.c +++ b/arch/arm/mach-omap2/clock2xxx.c @@ -35,39 +35,6 @@ struct clk *vclk, *sclk, *dclk; * Omap24xx specific clock functions */ -#ifdef CONFIG_ARCH_OMAP2430 - -/** - * omap2430_clk_i2chs_find_idlest - return CM_IDLEST info for 2430 I2CHS - * @clk: struct clk * being enabled - * @idlest_reg: void __iomem ** to store CM_IDLEST reg address into - * @idlest_bit: pointer to a u8 to store the CM_IDLEST bit shift into - * - * OMAP2430 I2CHS CM_IDLEST bits are in CM_IDLEST1_CORE, but the - * CM_*CLKEN bits are in CM_{I,F}CLKEN2_CORE. This custom function - * passes back the correct CM_IDLEST register address for I2CHS - * modules. No return value. - */ -static void omap2430_clk_i2chs_find_idlest(struct clk *clk, - void __iomem **idlest_reg, - u8 *idlest_bit) -{ - *idlest_reg = OMAP_CM_REGADDR(CORE_MOD, CM_IDLEST); - *idlest_bit = clk->enable_bit; -} - -#else -#define omap2430_clk_i2chs_find_idlest NULL -#endif - -/* 2430 I2CHS has non-standard IDLEST register */ -const struct clkops clkops_omap2430_i2chs_wait = { - .enable = omap2_dflt_clk_enable, - .disable = omap2_dflt_clk_disable, - .find_idlest = omap2430_clk_i2chs_find_idlest, - .find_companion = omap2_clk_dflt_find_companion, -}; - /* * Set clocks for bypass mode for reboot to work. */ @@ -83,40 +50,24 @@ void omap2xxx_clk_prepare_for_reboot(void) } /* - * Switch the MPU rate if specified on cmdline. - * We cannot do this early until cmdline is parsed. + * Switch the MPU rate if specified on cmdline. We cannot do this + * early until cmdline is parsed. XXX This should be removed from the + * clock code and handled by the OPP layer code in the near future. */ static int __init omap2xxx_clk_arch_init(void) { - struct clk *virt_prcm_set, *sys_ck, *dpll_ck, *mpu_ck; - unsigned long sys_ck_rate; + int ret; if (!cpu_is_omap24xx()) return 0; - if (!mpurate) - return -EINVAL; - - virt_prcm_set = clk_get(NULL, "virt_prcm_set"); - sys_ck = clk_get(NULL, "sys_ck"); - dpll_ck = clk_get(NULL, "dpll_ck"); - mpu_ck = clk_get(NULL, "mpu_ck"); - - if (clk_set_rate(virt_prcm_set, mpurate)) - printk(KERN_ERR "Could not find matching MPU rate\n"); - - recalculate_root_clocks(); + ret = omap2_clk_switch_mpurate_at_boot("virt_prcm_set"); + if (!ret) + omap2_clk_print_new_rates("sys_ck", "dpll_ck", "mpu_ck"); - sys_ck_rate = clk_get_rate(sys_ck); - - pr_info("Switched to new clocking rate (Crystal/DPLL/MPU): " - "%ld.%01ld/%ld/%ld MHz\n", - (sys_ck_rate / 1000000), (sys_ck_rate / 100000) % 10, - (clk_get_rate(dpll_ck) / 1000000), - (clk_get_rate(mpu_ck) / 1000000)); - - return 0; + return ret; } + arch_initcall(omap2xxx_clk_arch_init); |