26000000, /* 26 MHz */
27000000, /* 27 MHz */
38400000, /* 38.4 MHz */
+ 20000000, /* 20 MHz */
};
static inline u32 __get_sys_clk_index(void)
{
- u32 ind;
+ s8 ind;
/*
* For ES1 the ROM code calibration of sys clock is not reliable
* due to hw issue. So, use hard-coded value. If this value is not
/* SYS_CLKSEL - 1 to match the dpll param array indices */
ind = (readl((*prcm)->cm_sys_clksel) &
CM_SYS_CLKSEL_SYS_CLKSEL_MASK) - 1;
+ /*
+ * SYS_CLKSEL value for 20MHz is 0. This is introduced newly
+ * in DRA7XX socs. SYS_CLKSEL -1 will be greater than
+ * NUM_SYS_CLK. So considering the last 3 bits as the index
+ * for the dpll param array.
+ */
+ ind &= CM_SYS_CLKSEL_SYS_CLKSEL_MASK;
}
return ind;
}
#endif
}
+static const struct dpll_params *get_ddr_dpll_params
+ (struct dplls const *dpll_data)
+{
+ u32 sysclk_ind = get_sys_clk_index();
+
+ if (!dpll_data->ddr)
+ return NULL;
+ return &dpll_data->ddr[sysclk_ind];
+}
+
static void do_setup_dpll(u32 const base, const struct dpll_params *params,
u8 lock, char *dpll)
{
u32 temp, M, N;
struct dpll_regs *const dpll_regs = (struct dpll_regs *)base;
+ if (!params)
+ return;
+
temp = readl(&dpll_regs->cm_clksel_dpll);
if (check_for_lock(base)) {
#ifdef CONFIG_USB_EHCI_OMAP
setup_usb_dpll();
#endif
+ params = get_ddr_dpll_params(*dplls_data);
+ do_setup_dpll((*prcm)->cm_clkmode_dpll_ddrphy,
+ params, DPLL_LOCK, "ddr");
}
#ifdef CONFIG_SYS_CLOCKS_ENABLE_ALL
/*
* Putting EMIF in HW_AUTO is seen to be causing issues with
- * EMIF clocks and the master DLL. Put EMIF in SW_WKUP
+ * EMIF clocks and the master DLL. Keep EMIF in SW_WKUP
* in OMAP5430 ES1.0 silicon
*/
if (omap_rev != OMAP5430_ES1_0) {
MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN <<
MODULE_CLKCTRL_MODULEMODE_SHIFT);
- clrsetbits_le32((*prcm)->cm_l4per_uart3_clkctrl,
+ clrsetbits_le32((*prcm)->cm_l4per_uart4_clkctrl,
MODULE_CLKCTRL_MODULEMODE_MASK,
MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN <<
MODULE_CLKCTRL_MODULEMODE_SHIFT);