mirror of
https://github.com/AsahiLinux/u-boot
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6e2192a3d8
DDR timings were broken since 47abc3df70
for PandaBoard EA1.
Signed-off-by: Janne Grunau <j@jannau.net>
457 lines
14 KiB
C
457 lines
14 KiB
C
/*
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*
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* HW data initialization for OMAP4
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*
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* (C) Copyright 2013
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* Texas Instruments, <www.ti.com>
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*
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* Sricharan R <r.sricharan@ti.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <asm/arch/omap.h>
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#include <asm/arch/sys_proto.h>
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#include <asm/omap_common.h>
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#include <asm/arch/clock.h>
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#include <asm/omap_gpio.h>
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#include <asm/io.h>
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struct prcm_regs const **prcm =
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(struct prcm_regs const **) OMAP_SRAM_SCRATCH_PRCM_PTR;
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struct dplls const **dplls_data =
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(struct dplls const **) OMAP_SRAM_SCRATCH_DPLLS_PTR;
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struct vcores_data const **omap_vcores =
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(struct vcores_data const **) OMAP_SRAM_SCRATCH_VCORES_PTR;
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struct omap_sys_ctrl_regs const **ctrl =
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(struct omap_sys_ctrl_regs const **)OMAP_SRAM_SCRATCH_SYS_CTRL;
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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 1400 MHz MPU clk at 700 MHz(OPP100) - DCC OFF
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* OMAP4460 OPP_NOM frequency
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*/
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static const struct dpll_params mpu_dpll_params_1400mhz[NUM_SYS_CLKS] = {
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{175, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
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{700, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
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{125, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
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{401, 10, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
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{350, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
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{700, 26, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
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{638, 34, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
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};
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/*
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* dpll locked at 1600 MHz - MPU clk at 800 MHz(OPP Turbo 4430)
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* OMAP4430 OPP_TURBO frequency
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* OMAP4470 OPP_NOM frequency
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*/
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static const struct dpll_params mpu_dpll_params_1600mhz[NUM_SYS_CLKS] = {
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{200, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
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{800, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
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{619, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
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{125, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
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{400, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
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{800, 26, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
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{125, 5, 1, -1, -1, -1, -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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* OMAP4430 OPP_NOM frequency
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*/
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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, -1, -1, -1, -1}, /* 12 MHz */
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{600, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
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{250, 6, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
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{125, 3, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
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{300, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
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{200, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
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{125, 7, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
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};
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/* OMAP4460 OPP_NOM frequency */
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/* OMAP4470 OPP_NOM (Low Power) frequency */
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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, -1, -1, -1, -1}, /* 12 MHz */
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{800, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 13 MHz */
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{619, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 16.8 MHz */
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{125, 2, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 19.2 MHz */
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{400, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 26 MHz */
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{800, 26, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 27 MHz */
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{125, 5, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1} /* 38.4 MHz */
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};
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/* OMAP4430 ES1 OPP_NOM frequency */
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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, -1, -1, -1, -1}, /* 12 MHz */
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{762, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 13 MHz */
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{635, 13, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 16.8 MHz */
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{635, 15, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 19.2 MHz */
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{381, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 26 MHz */
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{254, 8, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 27 MHz */
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{496, 24, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1} /* 38.4 MHz */
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};
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/* OMAP4430 ES2.X OPP_NOM frequency */
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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, -1, -1, -1, -1}, /* 12 MHz */
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{800, 12, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 13 MHz */
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{619, 12, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 16.8 MHz */
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{125, 2, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 19.2 MHz */
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{400, 12, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 26 MHz */
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{800, 26, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 27 MHz */
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{125, 5, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1} /* 38.4 MHz */
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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, -1, -1, -1, -1}, /* 12 MHz */
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{768, 12, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 13 MHz */
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{320, 6, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 16.8 MHz */
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{40, 0, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 19.2 MHz */
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{384, 12, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 26 MHz */
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{256, 8, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 27 MHz */
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{20, 0, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1} /* 38.4 MHz */
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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, -1, -1, -1, -1}, /* 12 MHz */
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{931, 12, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
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{665, 11, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
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{727, 14, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
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{931, 25, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
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{931, 26, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
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{291, 11, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
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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, -1, -1, -1, -1}, /* 12 MHz */
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{68, 8, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
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{35, 5, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
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{46, 8, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
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{34, 8, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
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{29, 7, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
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{64, 24, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
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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, -1, -1, -1, -1
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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, -1, -1, -1, -1}, /* 12 MHz */
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{960, 12, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
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{400, 6, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
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{50, 0, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
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{480, 12, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
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{320, 8, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
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{25, 0, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
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};
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struct dplls omap4430_dplls_es1 = {
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.mpu = mpu_dpll_params_1200mhz,
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.core = core_dpll_params_es1_1524mhz,
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.per = per_dpll_params_1536mhz,
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.iva = iva_dpll_params_1862mhz,
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#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
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.abe = abe_dpll_params_sysclk_196608khz,
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#else
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.abe = &abe_dpll_params_32k_196608khz,
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#endif
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.usb = usb_dpll_params_1920mhz,
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.ddr = NULL
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};
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struct dplls omap4430_dplls_es20 = {
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.mpu = mpu_dpll_params_1200mhz,
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.core = core_dpll_params_es2_1600mhz_ddr200mhz,
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.per = per_dpll_params_1536mhz,
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.iva = iva_dpll_params_1862mhz,
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#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
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.abe = abe_dpll_params_sysclk_196608khz,
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#else
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.abe = &abe_dpll_params_32k_196608khz,
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#endif
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.usb = usb_dpll_params_1920mhz,
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.ddr = NULL
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};
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struct dplls omap4430_dplls = {
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.mpu = mpu_dpll_params_1200mhz,
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.core = core_dpll_params_1600mhz,
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.per = per_dpll_params_1536mhz,
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.iva = iva_dpll_params_1862mhz,
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#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
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.abe = abe_dpll_params_sysclk_196608khz,
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#else
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.abe = &abe_dpll_params_32k_196608khz,
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#endif
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.usb = usb_dpll_params_1920mhz,
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.ddr = NULL
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};
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struct dplls omap4460_dplls = {
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.mpu = mpu_dpll_params_1400mhz,
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.core = core_dpll_params_1600mhz,
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.per = per_dpll_params_1536mhz,
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.iva = iva_dpll_params_1862mhz,
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#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
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.abe = abe_dpll_params_sysclk_196608khz,
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#else
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.abe = &abe_dpll_params_32k_196608khz,
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#endif
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.usb = usb_dpll_params_1920mhz,
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.ddr = NULL
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};
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struct dplls omap4470_dplls = {
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.mpu = mpu_dpll_params_1600mhz,
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.core = core_dpll_params_1600mhz,
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.per = per_dpll_params_1536mhz,
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.iva = iva_dpll_params_1862mhz,
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#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
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.abe = abe_dpll_params_sysclk_196608khz,
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#else
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.abe = &abe_dpll_params_32k_196608khz,
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#endif
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.usb = usb_dpll_params_1920mhz,
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.ddr = NULL
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};
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struct pmic_data twl6030_4430es1 = {
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.base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV,
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.step = 12660, /* 12.66 mV represented in uV */
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/* The code starts at 1 not 0 */
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.start_code = 1,
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.i2c_slave_addr = SMPS_I2C_SLAVE_ADDR,
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.pmic_bus_init = sri2c_init,
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.pmic_write = omap_vc_bypass_send_value,
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};
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/* twl6030 struct is used for TWL6030 and TWL6032 PMIC */
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struct pmic_data twl6030 = {
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.base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV,
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.step = 12660, /* 12.66 mV represented in uV */
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/* The code starts at 1 not 0 */
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.start_code = 1,
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.i2c_slave_addr = SMPS_I2C_SLAVE_ADDR,
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.pmic_bus_init = sri2c_init,
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.pmic_write = omap_vc_bypass_send_value,
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};
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struct pmic_data tps62361 = {
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.base_offset = TPS62361_BASE_VOLT_MV,
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.step = 10000, /* 10 mV represented in uV */
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.start_code = 0,
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.gpio = TPS62361_VSEL0_GPIO,
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.gpio_en = 1,
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.i2c_slave_addr = SMPS_I2C_SLAVE_ADDR,
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.pmic_bus_init = sri2c_init,
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.pmic_write = omap_vc_bypass_send_value,
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};
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struct vcores_data omap4430_volts_es1 = {
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.mpu.value = 1325,
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.mpu.addr = SMPS_REG_ADDR_VCORE1,
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.mpu.pmic = &twl6030_4430es1,
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.core.value = 1200,
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.core.addr = SMPS_REG_ADDR_VCORE3,
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.core.pmic = &twl6030_4430es1,
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.mm.value = 1200,
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.mm.addr = SMPS_REG_ADDR_VCORE2,
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.mm.pmic = &twl6030_4430es1,
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};
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struct vcores_data omap4430_volts = {
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.mpu.value = 1325,
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.mpu.addr = SMPS_REG_ADDR_VCORE1,
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.mpu.pmic = &twl6030,
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.core.value = 1200,
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.core.addr = SMPS_REG_ADDR_VCORE3,
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.core.pmic = &twl6030,
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.mm.value = 1200,
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.mm.addr = SMPS_REG_ADDR_VCORE2,
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.mm.pmic = &twl6030,
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};
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struct vcores_data omap4460_volts = {
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.mpu.value = 1203,
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.mpu.addr = TPS62361_REG_ADDR_SET1,
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.mpu.pmic = &tps62361,
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.core.value = 1200,
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.core.addr = SMPS_REG_ADDR_VCORE1,
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.core.pmic = &twl6030,
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.mm.value = 1200,
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.mm.addr = SMPS_REG_ADDR_VCORE2,
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.mm.pmic = &twl6030,
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};
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/*
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* Take closest integer part of the mV value corresponding to a TWL6032 SMPS
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* voltage selection code. Aligned with OMAP4470 ES1.0 OCA V.0.7.
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*/
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struct vcores_data omap4470_volts = {
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.mpu.value = 1202,
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.mpu.addr = SMPS_REG_ADDR_SMPS1,
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.mpu.pmic = &twl6030,
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.core.value = 1126,
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.core.addr = SMPS_REG_ADDR_SMPS2,
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.core.pmic = &twl6030,
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.mm.value = 1139,
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.mm.addr = SMPS_REG_ADDR_SMPS5,
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.mm.pmic = &twl6030,
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};
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/*
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* Enable essential clock domains, modules and
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* do some additional special settings needed
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*/
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void enable_basic_clocks(void)
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{
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u32 const clk_domains_essential[] = {
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(*prcm)->cm_l4per_clkstctrl,
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(*prcm)->cm_l3init_clkstctrl,
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(*prcm)->cm_memif_clkstctrl,
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(*prcm)->cm_l4cfg_clkstctrl,
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0
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};
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u32 const clk_modules_hw_auto_essential[] = {
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(*prcm)->cm_l3_gpmc_clkctrl,
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(*prcm)->cm_memif_emif_1_clkctrl,
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(*prcm)->cm_memif_emif_2_clkctrl,
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(*prcm)->cm_l4cfg_l4_cfg_clkctrl,
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(*prcm)->cm_wkup_gpio1_clkctrl,
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(*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,
|
|
0
|
|
};
|
|
|
|
u32 const clk_modules_explicit_en_essential[] = {
|
|
(*prcm)->cm_wkup_gptimer1_clkctrl,
|
|
(*prcm)->cm_l3init_hsmmc1_clkctrl,
|
|
(*prcm)->cm_l3init_hsmmc2_clkctrl,
|
|
(*prcm)->cm_l4per_gptimer2_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);
|
|
|
|
do_enable_clocks(clk_domains_essential,
|
|
clk_modules_hw_auto_essential,
|
|
clk_modules_explicit_en_essential,
|
|
1);
|
|
}
|
|
|
|
void enable_basic_uboot_clocks(void)
|
|
{
|
|
u32 const clk_domains_essential[] = {
|
|
0
|
|
};
|
|
|
|
u32 const clk_modules_hw_auto_essential[] = {
|
|
(*prcm)->cm_l3init_hsusbotg_clkctrl,
|
|
(*prcm)->cm_l3init_usbphy_clkctrl,
|
|
(*prcm)->cm_l3init_usbphy_clkctrl,
|
|
(*prcm)->cm_clksel_usb_60mhz,
|
|
(*prcm)->cm_l3init_hsusbtll_clkctrl,
|
|
0
|
|
};
|
|
|
|
u32 const clk_modules_explicit_en_essential[] = {
|
|
(*prcm)->cm_l4per_mcspi1_clkctrl,
|
|
(*prcm)->cm_l4per_i2c1_clkctrl,
|
|
(*prcm)->cm_l4per_i2c2_clkctrl,
|
|
(*prcm)->cm_l4per_i2c3_clkctrl,
|
|
(*prcm)->cm_l4per_i2c4_clkctrl,
|
|
(*prcm)->cm_l3init_hsusbhost_clkctrl,
|
|
0
|
|
};
|
|
|
|
do_enable_clocks(clk_domains_essential,
|
|
clk_modules_hw_auto_essential,
|
|
clk_modules_explicit_en_essential,
|
|
1);
|
|
}
|
|
|
|
void hw_data_init(void)
|
|
{
|
|
u32 omap_rev = omap_revision();
|
|
|
|
(*prcm) = &omap4_prcm;
|
|
|
|
switch (omap_rev) {
|
|
|
|
case OMAP4430_ES1_0:
|
|
*dplls_data = &omap4430_dplls_es1;
|
|
*omap_vcores = &omap4430_volts_es1;
|
|
break;
|
|
|
|
case OMAP4430_ES2_0:
|
|
*dplls_data = &omap4430_dplls_es20;
|
|
*omap_vcores = &omap4430_volts;
|
|
break;
|
|
|
|
case OMAP4430_ES2_1:
|
|
case OMAP4430_ES2_2:
|
|
case OMAP4430_ES2_3:
|
|
*dplls_data = &omap4430_dplls;
|
|
*omap_vcores = &omap4430_volts;
|
|
break;
|
|
|
|
case OMAP4460_ES1_0:
|
|
case OMAP4460_ES1_1:
|
|
*dplls_data = &omap4460_dplls;
|
|
*omap_vcores = &omap4460_volts;
|
|
break;
|
|
|
|
case OMAP4470_ES1_0:
|
|
*dplls_data = &omap4470_dplls;
|
|
*omap_vcores = &omap4470_volts;
|
|
break;
|
|
|
|
default:
|
|
printf("\n INVALID OMAP REVISION ");
|
|
}
|
|
|
|
*ctrl = &omap4_ctrl;
|
|
}
|