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Diffstat (limited to 'arch/arm/mach-omap2/clock2xxx.c')
-rw-r--r--arch/arm/mach-omap2/clock2xxx.c67
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);