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@@ -46,139 +46,6 @@
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#define puts(s)
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#define puts(s)
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#endif
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#endif
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-#define abs(x) (((x) < 0) ? ((x)*-1) : (x))
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-
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-struct omap4_prcm_regs *const prcm = (struct omap4_prcm_regs *)0x4A004100;
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-
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-static const u32 sys_clk_array[8] = {
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- 12000000, /* 12 MHz */
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- 13000000, /* 13 MHz */
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- 16800000, /* 16.8 MHz */
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- 19200000, /* 19.2 MHz */
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- 26000000, /* 26 MHz */
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- 27000000, /* 27 MHz */
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- 38400000, /* 38.4 MHz */
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-};
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-
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-/*
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- * The M & N values in the following tables are created using the
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- * following tool:
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- * tools/omap/clocks_get_m_n.c
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- * Please use this tool for creating the table for any new frequency.
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- */
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-
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-/* dpll locked at 1840 MHz MPU clk at 920 MHz(OPP Turbo 4460) - DCC OFF */
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-static const struct dpll_params mpu_dpll_params_1840mhz[NUM_SYS_CLKS] = {
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- {230, 2, 1, -1, -1, -1, -1, -1}, /* 12 MHz */
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- {920, 12, 1, -1, -1, -1, -1, -1}, /* 13 MHz */
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- {219, 3, 1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
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- {575, 11, 1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
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- {460, 12, 1, -1, -1, -1, -1, -1}, /* 26 MHz */
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- {920, 26, 1, -1, -1, -1, -1, -1}, /* 27 MHz */
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- {575, 23, 1, -1, -1, -1, -1, -1} /* 38.4 MHz */
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-};
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-
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-/* dpll locked at 1584 MHz - MPU clk at 792 MHz(OPP Turbo 4430) */
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-static const struct dpll_params mpu_dpll_params_1584mhz[NUM_SYS_CLKS] = {
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- {66, 0, 1, -1, -1, -1, -1, -1}, /* 12 MHz */
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- {792, 12, 1, -1, -1, -1, -1, -1}, /* 13 MHz */
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- {330, 6, 1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
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- {165, 3, 1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
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- {396, 12, 1, -1, -1, -1, -1, -1}, /* 26 MHz */
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- {88, 2, 1, -1, -1, -1, -1, -1}, /* 27 MHz */
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- {165, 7, 1, -1, -1, -1, -1, -1} /* 38.4 MHz */
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-};
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-
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-/* dpll locked at 1200 MHz - MPU clk at 600 MHz */
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-static const struct dpll_params mpu_dpll_params_1200mhz[NUM_SYS_CLKS] = {
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- {50, 0, 1, -1, -1, -1, -1, -1}, /* 12 MHz */
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- {600, 12, 1, -1, -1, -1, -1, -1}, /* 13 MHz */
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- {250, 6, 1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
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- {125, 3, 1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
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- {300, 12, 1, -1, -1, -1, -1, -1}, /* 26 MHz */
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- {200, 8, 1, -1, -1, -1, -1, -1}, /* 27 MHz */
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- {125, 7, 1, -1, -1, -1, -1, -1} /* 38.4 MHz */
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-};
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-
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-static const struct dpll_params core_dpll_params_1600mhz[NUM_SYS_CLKS] = {
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- {200, 2, 1, 5, 8, 4, 6, 5}, /* 12 MHz */
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- {800, 12, 1, 5, 8, 4, 6, 5}, /* 13 MHz */
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- {619, 12, 1, 5, 8, 4, 6, 5}, /* 16.8 MHz */
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- {125, 2, 1, 5, 8, 4, 6, 5}, /* 19.2 MHz */
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- {400, 12, 1, 5, 8, 4, 6, 5}, /* 26 MHz */
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- {800, 26, 1, 5, 8, 4, 6, 5}, /* 27 MHz */
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- {125, 5, 1, 5, 8, 4, 6, 5} /* 38.4 MHz */
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-};
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-
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-static const struct dpll_params core_dpll_params_es1_1524mhz[NUM_SYS_CLKS] = {
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- {127, 1, 1, 5, 8, 4, 6, 5}, /* 12 MHz */
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- {762, 12, 1, 5, 8, 4, 6, 5}, /* 13 MHz */
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- {635, 13, 1, 5, 8, 4, 6, 5}, /* 16.8 MHz */
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- {635, 15, 1, 5, 8, 4, 6, 5}, /* 19.2 MHz */
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- {381, 12, 1, 5, 8, 4, 6, 5}, /* 26 MHz */
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- {254, 8, 1, 5, 8, 4, 6, 5}, /* 27 MHz */
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- {496, 24, 1, 5, 8, 4, 6, 5} /* 38.4 MHz */
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-};
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-
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-static const struct dpll_params
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- core_dpll_params_es2_1600mhz_ddr200mhz[NUM_SYS_CLKS] = {
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- {200, 2, 2, 5, 8, 4, 6, 5}, /* 12 MHz */
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- {800, 12, 2, 5, 8, 4, 6, 5}, /* 13 MHz */
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- {619, 12, 2, 5, 8, 4, 6, 5}, /* 16.8 MHz */
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- {125, 2, 2, 5, 8, 4, 6, 5}, /* 19.2 MHz */
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- {400, 12, 2, 5, 8, 4, 6, 5}, /* 26 MHz */
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- {800, 26, 2, 5, 8, 4, 6, 5}, /* 27 MHz */
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- {125, 5, 2, 5, 8, 4, 6, 5} /* 38.4 MHz */
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-};
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-
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-static const struct dpll_params per_dpll_params_1536mhz[NUM_SYS_CLKS] = {
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- {64, 0, 8, 6, 12, 9, 4, 5}, /* 12 MHz */
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- {768, 12, 8, 6, 12, 9, 4, 5}, /* 13 MHz */
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- {320, 6, 8, 6, 12, 9, 4, 5}, /* 16.8 MHz */
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- {40, 0, 8, 6, 12, 9, 4, 5}, /* 19.2 MHz */
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- {384, 12, 8, 6, 12, 9, 4, 5}, /* 26 MHz */
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- {256, 8, 8, 6, 12, 9, 4, 5}, /* 27 MHz */
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- {20, 0, 8, 6, 12, 9, 4, 5} /* 38.4 MHz */
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-};
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-
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-static const struct dpll_params iva_dpll_params_1862mhz[NUM_SYS_CLKS] = {
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- {931, 11, -1, -1, 4, 7, -1, -1}, /* 12 MHz */
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- {931, 12, -1, -1, 4, 7, -1, -1}, /* 13 MHz */
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- {665, 11, -1, -1, 4, 7, -1, -1}, /* 16.8 MHz */
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- {727, 14, -1, -1, 4, 7, -1, -1}, /* 19.2 MHz */
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- {931, 25, -1, -1, 4, 7, -1, -1}, /* 26 MHz */
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- {931, 26, -1, -1, 4, 7, -1, -1}, /* 27 MHz */
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- {412, 16, -1, -1, 4, 7, -1, -1} /* 38.4 MHz */
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-};
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-
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-/* ABE M & N values with sys_clk as source */
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-static const struct dpll_params
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- abe_dpll_params_sysclk_196608khz[NUM_SYS_CLKS] = {
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- {49, 5, 1, 1, -1, -1, -1, -1}, /* 12 MHz */
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- {68, 8, 1, 1, -1, -1, -1, -1}, /* 13 MHz */
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- {35, 5, 1, 1, -1, -1, -1, -1}, /* 16.8 MHz */
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- {46, 8, 1, 1, -1, -1, -1, -1}, /* 19.2 MHz */
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- {34, 8, 1, 1, -1, -1, -1, -1}, /* 26 MHz */
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- {29, 7, 1, 1, -1, -1, -1, -1}, /* 27 MHz */
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- {64, 24, 1, 1, -1, -1, -1, -1} /* 38.4 MHz */
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-};
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-
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-/* ABE M & N values with 32K clock as source */
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-static const struct dpll_params abe_dpll_params_32k_196608khz = {
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- 750, 0, 1, 1, -1, -1, -1, -1
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-};
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-
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-
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-static const struct dpll_params usb_dpll_params_1920mhz[NUM_SYS_CLKS] = {
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- {80, 0, 2, -1, -1, -1, -1, -1}, /* 12 MHz */
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- {960, 12, 2, -1, -1, -1, -1, -1}, /* 13 MHz */
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- {400, 6, 2, -1, -1, -1, -1, -1}, /* 16.8 MHz */
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- {50, 0, 2, -1, -1, -1, -1, -1}, /* 19.2 MHz */
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- {480, 12, 2, -1, -1, -1, -1, -1}, /* 26 MHz */
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- {320, 8, 2, -1, -1, -1, -1, -1}, /* 27 MHz */
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- {25, 0, 2, -1, -1, -1, -1, -1} /* 38.4 MHz */
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-};
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-
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static inline u32 __get_sys_clk_index(void)
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static inline u32 __get_sys_clk_index(void)
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{
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{
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u32 ind;
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u32 ind;
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@@ -271,46 +138,19 @@ static void do_setup_dpll(u32 *const base, const struct dpll_params *params,
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if (lock)
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if (lock)
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do_lock_dpll(base);
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do_lock_dpll(base);
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- /* Setup post-dividers */
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- if (params->m2 >= 0)
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- writel(params->m2, &dpll_regs->cm_div_m2_dpll);
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- if (params->m3 >= 0)
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- writel(params->m3, &dpll_regs->cm_div_m3_dpll);
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- if (params->m4 >= 0)
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- writel(params->m4, &dpll_regs->cm_div_m4_dpll);
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- if (params->m5 >= 0)
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- writel(params->m5, &dpll_regs->cm_div_m5_dpll);
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- if (params->m6 >= 0)
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- writel(params->m6, &dpll_regs->cm_div_m6_dpll);
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- if (params->m7 >= 0)
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- writel(params->m7, &dpll_regs->cm_div_m7_dpll);
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+ setup_post_dividers(base, params);
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/* Wait till the DPLL locks */
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/* Wait till the DPLL locks */
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if (lock)
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if (lock)
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wait_for_lock(base);
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wait_for_lock(base);
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}
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}
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-const struct dpll_params *get_core_dpll_params(void)
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+u32 omap_ddr_clk(void)
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{
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{
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- u32 sysclk_ind = get_sys_clk_index();
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-
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- switch (omap_revision()) {
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- case OMAP4430_ES1_0:
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- return &core_dpll_params_es1_1524mhz[sysclk_ind];
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- case OMAP4430_ES2_0:
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- case OMAP4430_SILICON_ID_INVALID:
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- /* safest */
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- return &core_dpll_params_es2_1600mhz_ddr200mhz[sysclk_ind];
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- default:
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- return &core_dpll_params_1600mhz[sysclk_ind];
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- }
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-}
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-
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-u32 omap4_ddr_clk(void)
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-{
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- u32 ddr_clk, sys_clk_khz;
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+ u32 ddr_clk, sys_clk_khz, omap_rev, divider;
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const struct dpll_params *core_dpll_params;
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const struct dpll_params *core_dpll_params;
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+ omap_rev = omap_revision();
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sys_clk_khz = get_sys_clk_freq() / 1000;
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sys_clk_khz = get_sys_clk_freq() / 1000;
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core_dpll_params = get_core_dpll_params();
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core_dpll_params = get_core_dpll_params();
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@@ -320,12 +160,22 @@ u32 omap4_ddr_clk(void)
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/* Find Core DPLL locked frequency first */
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/* Find Core DPLL locked frequency first */
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ddr_clk = sys_clk_khz * 2 * core_dpll_params->m /
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ddr_clk = sys_clk_khz * 2 * core_dpll_params->m /
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(core_dpll_params->n + 1);
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(core_dpll_params->n + 1);
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- /*
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- * DDR frequency is PHY_ROOT_CLK/2
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- * PHY_ROOT_CLK = Fdpll/2/M2
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- */
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- ddr_clk = ddr_clk / 4 / core_dpll_params->m2;
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+ if (omap_rev < OMAP5430_ES1_0) {
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+ /*
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+ * DDR frequency is PHY_ROOT_CLK/2
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+ * PHY_ROOT_CLK = Fdpll/2/M2
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+ */
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+ divider = 4;
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+ } else {
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+ /*
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+ * DDR frequency is PHY_ROOT_CLK
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+ * PHY_ROOT_CLK = Fdpll/2/M2
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+ */
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+ divider = 2;
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+ }
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+
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+ ddr_clk = ddr_clk / divider / core_dpll_params->m2;
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ddr_clk *= 1000; /* convert to Hz */
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ddr_clk *= 1000; /* convert to Hz */
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debug("ddr_clk %d\n ", ddr_clk);
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debug("ddr_clk %d\n ", ddr_clk);
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@@ -344,20 +194,16 @@ void configure_mpu_dpll(void)
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{
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{
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const struct dpll_params *params;
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const struct dpll_params *params;
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struct dpll_regs *mpu_dpll_regs;
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struct dpll_regs *mpu_dpll_regs;
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- u32 omap4_rev, sysclk_ind;
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-
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- omap4_rev = omap_revision();
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- sysclk_ind = get_sys_clk_index();
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-
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- if (omap4_rev == OMAP4430_ES1_0)
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- params = &mpu_dpll_params_1200mhz[sysclk_ind];
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- else if (omap4_rev < OMAP4460_ES1_0)
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- params = &mpu_dpll_params_1584mhz[sysclk_ind];
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- else
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- params = &mpu_dpll_params_1840mhz[sysclk_ind];
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+ u32 omap_rev;
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+ omap_rev = omap_revision();
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- /* DCC and clock divider settings for 4460 */
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- if (omap4_rev >= OMAP4460_ES1_0) {
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+ /*
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+ * DCC and clock divider settings for 4460.
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+ * DCC is required, if more than a certain frequency is required.
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+ * For, 4460 > 1GHZ.
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+ * 5430 > 1.4GHZ.
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+ */
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+ if ((omap_rev >= OMAP4460_ES1_0) && (omap_rev < OMAP5430_ES1_0)) {
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mpu_dpll_regs =
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mpu_dpll_regs =
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(struct dpll_regs *)&prcm->cm_clkmode_dpll_mpu;
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(struct dpll_regs *)&prcm->cm_clkmode_dpll_mpu;
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bypass_dpll(&prcm->cm_clkmode_dpll_mpu);
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bypass_dpll(&prcm->cm_clkmode_dpll_mpu);
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@@ -369,6 +215,7 @@ void configure_mpu_dpll(void)
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CM_CLKSEL_DCC_EN_MASK);
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CM_CLKSEL_DCC_EN_MASK);
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}
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}
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+ params = get_mpu_dpll_params();
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do_setup_dpll(&prcm->cm_clkmode_dpll_mpu, params, DPLL_LOCK);
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do_setup_dpll(&prcm->cm_clkmode_dpll_mpu, params, DPLL_LOCK);
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debug("MPU DPLL locked\n");
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debug("MPU DPLL locked\n");
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}
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}
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@@ -397,8 +244,9 @@ static void setup_dplls(void)
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debug("Core DPLL configured\n");
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debug("Core DPLL configured\n");
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/* lock PER dpll */
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/* lock PER dpll */
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+ params = get_per_dpll_params();
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do_setup_dpll(&prcm->cm_clkmode_dpll_per,
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do_setup_dpll(&prcm->cm_clkmode_dpll_per,
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- &per_dpll_params_1536mhz[sysclk_ind], DPLL_LOCK);
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+ params, DPLL_LOCK);
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debug("PER DPLL locked\n");
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debug("PER DPLL locked\n");
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/* MPU dpll */
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/* MPU dpll */
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@@ -418,8 +266,8 @@ static void setup_non_essential_dplls(void)
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clrsetbits_le32(&prcm->cm_bypclk_dpll_iva,
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clrsetbits_le32(&prcm->cm_bypclk_dpll_iva,
|
|
CM_BYPCLK_DPLL_IVA_CLKSEL_MASK, DPLL_IVA_CLKSEL_CORE_X2_DIV_2);
|
|
CM_BYPCLK_DPLL_IVA_CLKSEL_MASK, DPLL_IVA_CLKSEL_CORE_X2_DIV_2);
|
|
|
|
|
|
- do_setup_dpll(&prcm->cm_clkmode_dpll_iva,
|
|
|
|
- &iva_dpll_params_1862mhz[sysclk_ind], DPLL_LOCK);
|
|
|
|
|
|
+ params = get_iva_dpll_params();
|
|
|
|
+ do_setup_dpll(&prcm->cm_clkmode_dpll_iva, params, DPLL_LOCK);
|
|
|
|
|
|
/*
|
|
/*
|
|
* USB:
|
|
* USB:
|
|
@@ -429,7 +277,7 @@ static void setup_non_essential_dplls(void)
|
|
* Use CLKINP in KHz and adjust the denominator accordingly so
|
|
* Use CLKINP in KHz and adjust the denominator accordingly so
|
|
* that we have enough accuracy and at the same time no overflow
|
|
* that we have enough accuracy and at the same time no overflow
|
|
*/
|
|
*/
|
|
- params = &usb_dpll_params_1920mhz[sysclk_ind];
|
|
|
|
|
|
+ params = get_usb_dpll_params();
|
|
num = params->m * sys_clk_khz;
|
|
num = params->m * sys_clk_khz;
|
|
den = (params->n + 1) * 250 * 1000;
|
|
den = (params->n + 1) * 250 * 1000;
|
|
num += den - 1;
|
|
num += den - 1;
|
|
@@ -441,11 +289,11 @@ static void setup_non_essential_dplls(void)
|
|
/* Now setup the dpll with the regular function */
|
|
/* Now setup the dpll with the regular function */
|
|
do_setup_dpll(&prcm->cm_clkmode_dpll_usb, params, DPLL_LOCK);
|
|
do_setup_dpll(&prcm->cm_clkmode_dpll_usb, params, DPLL_LOCK);
|
|
|
|
|
|
-#ifdef CONFIG_SYS_OMAP4_ABE_SYSCK
|
|
|
|
- params = &abe_dpll_params_sysclk_196608khz[sysclk_ind];
|
|
|
|
|
|
+ /* Configure ABE dpll */
|
|
|
|
+ params = get_abe_dpll_params();
|
|
|
|
+#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
|
|
abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_SYSCLK;
|
|
abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_SYSCLK;
|
|
#else
|
|
#else
|
|
- params = &abe_dpll_params_32k_196608khz;
|
|
|
|
abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_32KCLK;
|
|
abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_32KCLK;
|
|
/*
|
|
/*
|
|
* We need to enable some additional options to achieve
|
|
* We need to enable some additional options to achieve
|
|
@@ -470,7 +318,7 @@ static void setup_non_essential_dplls(void)
|
|
do_setup_dpll(&prcm->cm_clkmode_dpll_abe, params, DPLL_LOCK);
|
|
do_setup_dpll(&prcm->cm_clkmode_dpll_abe, params, DPLL_LOCK);
|
|
}
|
|
}
|
|
|
|
|
|
-static void do_scale_tps62361(u32 reg, u32 volt_mv)
|
|
|
|
|
|
+void do_scale_tps62361(u32 reg, u32 volt_mv)
|
|
{
|
|
{
|
|
u32 temp, step;
|
|
u32 temp, step;
|
|
|
|
|
|
@@ -498,7 +346,7 @@ static void do_scale_tps62361(u32 reg, u32 volt_mv)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
-static void do_scale_vcore(u32 vcore_reg, u32 volt_mv)
|
|
|
|
|
|
+void do_scale_vcore(u32 vcore_reg, u32 volt_mv)
|
|
{
|
|
{
|
|
u32 temp, offset_code;
|
|
u32 temp, offset_code;
|
|
u32 step = 12660; /* 12.66 mV represented in uV */
|
|
u32 step = 12660; /* 12.66 mV represented in uV */
|
|
@@ -530,75 +378,6 @@ static void do_scale_vcore(u32 vcore_reg, u32 volt_mv)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
-/*
|
|
|
|
- * Setup the voltages for vdd_mpu, vdd_core, and vdd_iva
|
|
|
|
- * We set the maximum voltages allowed here because Smart-Reflex is not
|
|
|
|
- * enabled in bootloader. Voltage initialization in the kernel will set
|
|
|
|
- * these to the nominal values after enabling Smart-Reflex
|
|
|
|
- */
|
|
|
|
-static void scale_vcores(void)
|
|
|
|
-{
|
|
|
|
- u32 volt, sys_clk_khz, cycles_hi, cycles_low, temp, omap4_rev;
|
|
|
|
-
|
|
|
|
- sys_clk_khz = get_sys_clk_freq() / 1000;
|
|
|
|
-
|
|
|
|
- /*
|
|
|
|
- * Setup the dedicated I2C controller for Voltage Control
|
|
|
|
- * I2C clk - high period 40% low period 60%
|
|
|
|
- */
|
|
|
|
- cycles_hi = sys_clk_khz * 4 / PRM_VC_I2C_CHANNEL_FREQ_KHZ / 10;
|
|
|
|
- cycles_low = sys_clk_khz * 6 / PRM_VC_I2C_CHANNEL_FREQ_KHZ / 10;
|
|
|
|
- /* values to be set in register - less by 5 & 7 respectively */
|
|
|
|
- cycles_hi -= 5;
|
|
|
|
- cycles_low -= 7;
|
|
|
|
- temp = (cycles_hi << PRM_VC_CFG_I2C_CLK_SCLH_SHIFT) |
|
|
|
|
- (cycles_low << PRM_VC_CFG_I2C_CLK_SCLL_SHIFT);
|
|
|
|
- writel(temp, &prcm->prm_vc_cfg_i2c_clk);
|
|
|
|
-
|
|
|
|
- /* Disable high speed mode and all advanced features */
|
|
|
|
- writel(0x0, &prcm->prm_vc_cfg_i2c_mode);
|
|
|
|
-
|
|
|
|
- omap4_rev = omap_revision();
|
|
|
|
- /* TPS - supplies vdd_mpu on 4460 */
|
|
|
|
- if (omap4_rev >= OMAP4460_ES1_0) {
|
|
|
|
- volt = 1430;
|
|
|
|
- do_scale_tps62361(TPS62361_REG_ADDR_SET1, volt);
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- /*
|
|
|
|
- * VCORE 1
|
|
|
|
- *
|
|
|
|
- * 4430 : supplies vdd_mpu
|
|
|
|
- * Setting a high voltage for Nitro mode as smart reflex is not enabled.
|
|
|
|
- * We use the maximum possible value in the AVS range because the next
|
|
|
|
- * higher voltage in the discrete range (code >= 0b111010) is way too
|
|
|
|
- * high
|
|
|
|
- *
|
|
|
|
- * 4460 : supplies vdd_core
|
|
|
|
- */
|
|
|
|
- if (omap4_rev < OMAP4460_ES1_0) {
|
|
|
|
- volt = 1417;
|
|
|
|
- do_scale_vcore(SMPS_REG_ADDR_VCORE1, volt);
|
|
|
|
- } else {
|
|
|
|
- volt = 1200;
|
|
|
|
- do_scale_vcore(SMPS_REG_ADDR_VCORE1, volt);
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- /* VCORE 2 - supplies vdd_iva */
|
|
|
|
- volt = 1200;
|
|
|
|
- do_scale_vcore(SMPS_REG_ADDR_VCORE2, volt);
|
|
|
|
-
|
|
|
|
- /*
|
|
|
|
- * VCORE 3
|
|
|
|
- * 4430 : supplies vdd_core
|
|
|
|
- * 4460 : not connected
|
|
|
|
- */
|
|
|
|
- if (omap4_rev < OMAP4460_ES1_0) {
|
|
|
|
- volt = 1200;
|
|
|
|
- do_scale_vcore(SMPS_REG_ADDR_VCORE3, volt);
|
|
|
|
- }
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
static inline void enable_clock_domain(u32 *const clkctrl_reg, u32 enable_mode)
|
|
static inline void enable_clock_domain(u32 *const clkctrl_reg, u32 enable_mode)
|
|
{
|
|
{
|
|
clrsetbits_le32(clkctrl_reg, CD_CLKCTRL_CLKTRCTRL_MASK,
|
|
clrsetbits_le32(clkctrl_reg, CD_CLKCTRL_CLKTRCTRL_MASK,
|
|
@@ -635,213 +414,6 @@ static inline void enable_clock_module(u32 *const clkctrl_addr, u32 enable_mode,
|
|
wait_for_clk_enable(clkctrl_addr);
|
|
wait_for_clk_enable(clkctrl_addr);
|
|
}
|
|
}
|
|
|
|
|
|
-/*
|
|
|
|
- * Enable essential clock domains, modules and
|
|
|
|
- * do some additional special settings needed
|
|
|
|
- */
|
|
|
|
-static void enable_basic_clocks(void)
|
|
|
|
-{
|
|
|
|
- u32 i, max = 100, wait_for_enable = 1;
|
|
|
|
- u32 *const clk_domains_essential[] = {
|
|
|
|
- &prcm->cm_l4per_clkstctrl,
|
|
|
|
- &prcm->cm_l3init_clkstctrl,
|
|
|
|
- &prcm->cm_memif_clkstctrl,
|
|
|
|
- &prcm->cm_l4cfg_clkstctrl,
|
|
|
|
- 0
|
|
|
|
- };
|
|
|
|
-
|
|
|
|
- u32 *const clk_modules_hw_auto_essential[] = {
|
|
|
|
- &prcm->cm_wkup_gpio1_clkctrl,
|
|
|
|
- &prcm->cm_l4per_gpio2_clkctrl,
|
|
|
|
- &prcm->cm_l4per_gpio3_clkctrl,
|
|
|
|
- &prcm->cm_l4per_gpio4_clkctrl,
|
|
|
|
- &prcm->cm_l4per_gpio5_clkctrl,
|
|
|
|
- &prcm->cm_l4per_gpio6_clkctrl,
|
|
|
|
- &prcm->cm_memif_emif_1_clkctrl,
|
|
|
|
- &prcm->cm_memif_emif_2_clkctrl,
|
|
|
|
- &prcm->cm_l3init_hsusbotg_clkctrl,
|
|
|
|
- &prcm->cm_l3init_usbphy_clkctrl,
|
|
|
|
- &prcm->cm_l4cfg_l4_cfg_clkctrl,
|
|
|
|
- 0
|
|
|
|
- };
|
|
|
|
-
|
|
|
|
- u32 *const clk_modules_explicit_en_essential[] = {
|
|
|
|
- &prcm->cm_l4per_gptimer2_clkctrl,
|
|
|
|
- &prcm->cm_l3init_hsmmc1_clkctrl,
|
|
|
|
- &prcm->cm_l3init_hsmmc2_clkctrl,
|
|
|
|
- &prcm->cm_l4per_mcspi1_clkctrl,
|
|
|
|
- &prcm->cm_wkup_gptimer1_clkctrl,
|
|
|
|
- &prcm->cm_l4per_i2c1_clkctrl,
|
|
|
|
- &prcm->cm_l4per_i2c2_clkctrl,
|
|
|
|
- &prcm->cm_l4per_i2c3_clkctrl,
|
|
|
|
- &prcm->cm_l4per_i2c4_clkctrl,
|
|
|
|
- &prcm->cm_wkup_wdtimer2_clkctrl,
|
|
|
|
- &prcm->cm_l4per_uart3_clkctrl,
|
|
|
|
- 0
|
|
|
|
- };
|
|
|
|
-
|
|
|
|
- /* Enable optional additional functional clock for GPIO4 */
|
|
|
|
- setbits_le32(&prcm->cm_l4per_gpio4_clkctrl,
|
|
|
|
- GPIO4_CLKCTRL_OPTFCLKEN_MASK);
|
|
|
|
-
|
|
|
|
- /* Enable 96 MHz clock for MMC1 & MMC2 */
|
|
|
|
- setbits_le32(&prcm->cm_l3init_hsmmc1_clkctrl,
|
|
|
|
- HSMMC_CLKCTRL_CLKSEL_MASK);
|
|
|
|
- setbits_le32(&prcm->cm_l3init_hsmmc2_clkctrl,
|
|
|
|
- HSMMC_CLKCTRL_CLKSEL_MASK);
|
|
|
|
-
|
|
|
|
- /* Select 32KHz clock as the source of GPTIMER1 */
|
|
|
|
- setbits_le32(&prcm->cm_wkup_gptimer1_clkctrl,
|
|
|
|
- GPTIMER1_CLKCTRL_CLKSEL_MASK);
|
|
|
|
-
|
|
|
|
- /* Enable optional 48M functional clock for USB PHY */
|
|
|
|
- setbits_le32(&prcm->cm_l3init_usbphy_clkctrl,
|
|
|
|
- USBPHY_CLKCTRL_OPTFCLKEN_PHY_48M_MASK);
|
|
|
|
-
|
|
|
|
- /* Put the clock domains in SW_WKUP mode */
|
|
|
|
- for (i = 0; (i < max) && clk_domains_essential[i]; i++) {
|
|
|
|
- enable_clock_domain(clk_domains_essential[i],
|
|
|
|
- CD_CLKCTRL_CLKTRCTRL_SW_WKUP);
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- /* Clock modules that need to be put in HW_AUTO */
|
|
|
|
- for (i = 0; (i < max) && clk_modules_hw_auto_essential[i]; i++) {
|
|
|
|
- enable_clock_module(clk_modules_hw_auto_essential[i],
|
|
|
|
- MODULE_CLKCTRL_MODULEMODE_HW_AUTO,
|
|
|
|
- wait_for_enable);
|
|
|
|
- };
|
|
|
|
-
|
|
|
|
- /* Clock modules that need to be put in SW_EXPLICIT_EN mode */
|
|
|
|
- for (i = 0; (i < max) && clk_modules_explicit_en_essential[i]; i++) {
|
|
|
|
- enable_clock_module(clk_modules_explicit_en_essential[i],
|
|
|
|
- MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN,
|
|
|
|
- wait_for_enable);
|
|
|
|
- };
|
|
|
|
-
|
|
|
|
- /* Put the clock domains in HW_AUTO mode now */
|
|
|
|
- for (i = 0; (i < max) && clk_domains_essential[i]; i++) {
|
|
|
|
- enable_clock_domain(clk_domains_essential[i],
|
|
|
|
- CD_CLKCTRL_CLKTRCTRL_HW_AUTO);
|
|
|
|
- }
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-/*
|
|
|
|
- * Enable non-essential clock domains, modules and
|
|
|
|
- * do some additional special settings needed
|
|
|
|
- */
|
|
|
|
-static void enable_non_essential_clocks(void)
|
|
|
|
-{
|
|
|
|
- u32 i, max = 100, wait_for_enable = 0;
|
|
|
|
- u32 *const clk_domains_non_essential[] = {
|
|
|
|
- &prcm->cm_mpu_m3_clkstctrl,
|
|
|
|
- &prcm->cm_ivahd_clkstctrl,
|
|
|
|
- &prcm->cm_dsp_clkstctrl,
|
|
|
|
- &prcm->cm_dss_clkstctrl,
|
|
|
|
- &prcm->cm_sgx_clkstctrl,
|
|
|
|
- &prcm->cm1_abe_clkstctrl,
|
|
|
|
- &prcm->cm_c2c_clkstctrl,
|
|
|
|
- &prcm->cm_cam_clkstctrl,
|
|
|
|
- &prcm->cm_dss_clkstctrl,
|
|
|
|
- &prcm->cm_sdma_clkstctrl,
|
|
|
|
- 0
|
|
|
|
- };
|
|
|
|
-
|
|
|
|
- u32 *const clk_modules_hw_auto_non_essential[] = {
|
|
|
|
- &prcm->cm_mpu_m3_mpu_m3_clkctrl,
|
|
|
|
- &prcm->cm_ivahd_ivahd_clkctrl,
|
|
|
|
- &prcm->cm_ivahd_sl2_clkctrl,
|
|
|
|
- &prcm->cm_dsp_dsp_clkctrl,
|
|
|
|
- &prcm->cm_l3_2_gpmc_clkctrl,
|
|
|
|
- &prcm->cm_l3instr_l3_3_clkctrl,
|
|
|
|
- &prcm->cm_l3instr_l3_instr_clkctrl,
|
|
|
|
- &prcm->cm_l3instr_intrconn_wp1_clkctrl,
|
|
|
|
- &prcm->cm_l3init_hsi_clkctrl,
|
|
|
|
- &prcm->cm_l3init_hsusbtll_clkctrl,
|
|
|
|
- 0
|
|
|
|
- };
|
|
|
|
-
|
|
|
|
- u32 *const clk_modules_explicit_en_non_essential[] = {
|
|
|
|
- &prcm->cm1_abe_aess_clkctrl,
|
|
|
|
- &prcm->cm1_abe_pdm_clkctrl,
|
|
|
|
- &prcm->cm1_abe_dmic_clkctrl,
|
|
|
|
- &prcm->cm1_abe_mcasp_clkctrl,
|
|
|
|
- &prcm->cm1_abe_mcbsp1_clkctrl,
|
|
|
|
- &prcm->cm1_abe_mcbsp2_clkctrl,
|
|
|
|
- &prcm->cm1_abe_mcbsp3_clkctrl,
|
|
|
|
- &prcm->cm1_abe_slimbus_clkctrl,
|
|
|
|
- &prcm->cm1_abe_timer5_clkctrl,
|
|
|
|
- &prcm->cm1_abe_timer6_clkctrl,
|
|
|
|
- &prcm->cm1_abe_timer7_clkctrl,
|
|
|
|
- &prcm->cm1_abe_timer8_clkctrl,
|
|
|
|
- &prcm->cm1_abe_wdt3_clkctrl,
|
|
|
|
- &prcm->cm_l4per_gptimer9_clkctrl,
|
|
|
|
- &prcm->cm_l4per_gptimer10_clkctrl,
|
|
|
|
- &prcm->cm_l4per_gptimer11_clkctrl,
|
|
|
|
- &prcm->cm_l4per_gptimer3_clkctrl,
|
|
|
|
- &prcm->cm_l4per_gptimer4_clkctrl,
|
|
|
|
- &prcm->cm_l4per_hdq1w_clkctrl,
|
|
|
|
- &prcm->cm_l4per_mcbsp4_clkctrl,
|
|
|
|
- &prcm->cm_l4per_mcspi2_clkctrl,
|
|
|
|
- &prcm->cm_l4per_mcspi3_clkctrl,
|
|
|
|
- &prcm->cm_l4per_mcspi4_clkctrl,
|
|
|
|
- &prcm->cm_l4per_mmcsd3_clkctrl,
|
|
|
|
- &prcm->cm_l4per_mmcsd4_clkctrl,
|
|
|
|
- &prcm->cm_l4per_mmcsd5_clkctrl,
|
|
|
|
- &prcm->cm_l4per_uart1_clkctrl,
|
|
|
|
- &prcm->cm_l4per_uart2_clkctrl,
|
|
|
|
- &prcm->cm_l4per_uart4_clkctrl,
|
|
|
|
- &prcm->cm_wkup_keyboard_clkctrl,
|
|
|
|
- &prcm->cm_wkup_wdtimer2_clkctrl,
|
|
|
|
- &prcm->cm_cam_iss_clkctrl,
|
|
|
|
- &prcm->cm_cam_fdif_clkctrl,
|
|
|
|
- &prcm->cm_dss_dss_clkctrl,
|
|
|
|
- &prcm->cm_sgx_sgx_clkctrl,
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- &prcm->cm_l3init_hsusbhost_clkctrl,
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- &prcm->cm_l3init_fsusb_clkctrl,
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- 0
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- };
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|
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-
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|
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- /* Enable optional functional clock for ISS */
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|
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- setbits_le32(&prcm->cm_cam_iss_clkctrl, ISS_CLKCTRL_OPTFCLKEN_MASK);
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|
|
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-
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|
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- /* Enable all optional functional clocks of DSS */
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- setbits_le32(&prcm->cm_dss_dss_clkctrl, DSS_CLKCTRL_OPTFCLKEN_MASK);
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|
|
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-
|
|
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-
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|
|
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- /* Put the clock domains in SW_WKUP mode */
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|
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- for (i = 0; (i < max) && clk_domains_non_essential[i]; i++) {
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|
|
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- enable_clock_domain(clk_domains_non_essential[i],
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|
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- CD_CLKCTRL_CLKTRCTRL_SW_WKUP);
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- }
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|
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-
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|
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- /* Clock modules that need to be put in HW_AUTO */
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|
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- for (i = 0; (i < max) && clk_modules_hw_auto_non_essential[i]; i++) {
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|
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- enable_clock_module(clk_modules_hw_auto_non_essential[i],
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|
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- MODULE_CLKCTRL_MODULEMODE_HW_AUTO,
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|
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- wait_for_enable);
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|
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- };
|
|
|
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-
|
|
|
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- /* Clock modules that need to be put in SW_EXPLICIT_EN mode */
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|
|
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- for (i = 0; (i < max) && clk_modules_explicit_en_non_essential[i];
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|
|
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- i++) {
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|
|
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- enable_clock_module(clk_modules_explicit_en_non_essential[i],
|
|
|
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- MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN,
|
|
|
|
- wait_for_enable);
|
|
|
|
- };
|
|
|
|
-
|
|
|
|
- /* Put the clock domains in HW_AUTO mode now */
|
|
|
|
- for (i = 0; (i < max) && clk_domains_non_essential[i]; i++) {
|
|
|
|
- enable_clock_domain(clk_domains_non_essential[i],
|
|
|
|
- CD_CLKCTRL_CLKTRCTRL_HW_AUTO);
|
|
|
|
- }
|
|
|
|
-
|
|
|
|
- /* Put camera module in no sleep mode */
|
|
|
|
- clrsetbits_le32(&prcm->cm_cam_clkstctrl, MODULE_CLKCTRL_MODULEMODE_MASK,
|
|
|
|
- CD_CLKCTRL_CLKTRCTRL_NO_SLEEP <<
|
|
|
|
- MODULE_CLKCTRL_MODULEMODE_SHIFT);
|
|
|
|
-}
|
|
|
|
-
|
|
|
|
-
|
|
|
|
void freq_update_core(void)
|
|
void freq_update_core(void)
|
|
{
|
|
{
|
|
u32 freq_config1 = 0;
|
|
u32 freq_config1 = 0;
|
|
@@ -923,6 +495,63 @@ void setup_clocks_for_console(void)
|
|
CD_CLKCTRL_CLKTRCTRL_SHIFT);
|
|
CD_CLKCTRL_CLKTRCTRL_SHIFT);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
+void setup_sri2c(void)
|
|
|
|
+{
|
|
|
|
+ u32 sys_clk_khz, cycles_hi, cycles_low, temp;
|
|
|
|
+
|
|
|
|
+ sys_clk_khz = get_sys_clk_freq() / 1000;
|
|
|
|
+
|
|
|
|
+ /*
|
|
|
|
+ * Setup the dedicated I2C controller for Voltage Control
|
|
|
|
+ * I2C clk - high period 40% low period 60%
|
|
|
|
+ */
|
|
|
|
+ cycles_hi = sys_clk_khz * 4 / PRM_VC_I2C_CHANNEL_FREQ_KHZ / 10;
|
|
|
|
+ cycles_low = sys_clk_khz * 6 / PRM_VC_I2C_CHANNEL_FREQ_KHZ / 10;
|
|
|
|
+ /* values to be set in register - less by 5 & 7 respectively */
|
|
|
|
+ cycles_hi -= 5;
|
|
|
|
+ cycles_low -= 7;
|
|
|
|
+ temp = (cycles_hi << PRM_VC_CFG_I2C_CLK_SCLH_SHIFT) |
|
|
|
|
+ (cycles_low << PRM_VC_CFG_I2C_CLK_SCLL_SHIFT);
|
|
|
|
+ writel(temp, &prcm->prm_vc_cfg_i2c_clk);
|
|
|
|
+
|
|
|
|
+ /* Disable high speed mode and all advanced features */
|
|
|
|
+ writel(0x0, &prcm->prm_vc_cfg_i2c_mode);
|
|
|
|
+}
|
|
|
|
+
|
|
|
|
+void do_enable_clocks(u32 *const *clk_domains,
|
|
|
|
+ u32 *const *clk_modules_hw_auto,
|
|
|
|
+ u32 *const *clk_modules_explicit_en,
|
|
|
|
+ u8 wait_for_enable)
|
|
|
|
+{
|
|
|
|
+ u32 i, max = 100;
|
|
|
|
+
|
|
|
|
+ /* Put the clock domains in SW_WKUP mode */
|
|
|
|
+ for (i = 0; (i < max) && clk_domains[i]; i++) {
|
|
|
|
+ enable_clock_domain(clk_domains[i],
|
|
|
|
+ CD_CLKCTRL_CLKTRCTRL_SW_WKUP);
|
|
|
|
+ }
|
|
|
|
+
|
|
|
|
+ /* Clock modules that need to be put in HW_AUTO */
|
|
|
|
+ for (i = 0; (i < max) && clk_modules_hw_auto[i]; i++) {
|
|
|
|
+ enable_clock_module(clk_modules_hw_auto[i],
|
|
|
|
+ MODULE_CLKCTRL_MODULEMODE_HW_AUTO,
|
|
|
|
+ wait_for_enable);
|
|
|
|
+ };
|
|
|
|
+
|
|
|
|
+ /* Clock modules that need to be put in SW_EXPLICIT_EN mode */
|
|
|
|
+ for (i = 0; (i < max) && clk_modules_explicit_en[i]; i++) {
|
|
|
|
+ enable_clock_module(clk_modules_explicit_en[i],
|
|
|
|
+ MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN,
|
|
|
|
+ wait_for_enable);
|
|
|
|
+ };
|
|
|
|
+
|
|
|
|
+ /* Put the clock domains in HW_AUTO mode now */
|
|
|
|
+ for (i = 0; (i < max) && clk_domains[i]; i++) {
|
|
|
|
+ enable_clock_domain(clk_domains[i],
|
|
|
|
+ CD_CLKCTRL_CLKTRCTRL_HW_AUTO);
|
|
|
|
+ }
|
|
|
|
+}
|
|
|
|
+
|
|
void prcm_init(void)
|
|
void prcm_init(void)
|
|
{
|
|
{
|
|
switch (omap_hw_init_context()) {
|
|
switch (omap_hw_init_context()) {
|