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|
/*
*
* HW data initialization for OMAP4
*
* (C) Copyright 2013
* Texas Instruments, <www.ti.com>
*
* Sricharan R <r.sricharan@ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/arch/omap.h>
#include <asm/arch/sys_proto.h>
#include <asm/omap_common.h>
#include <asm/arch/clock.h>
#include <asm/omap_gpio.h>
#include <asm/io.h>
struct prcm_regs const **prcm =
(struct prcm_regs const **) OMAP_SRAM_SCRATCH_PRCM_PTR;
struct dplls const **dplls_data =
(struct dplls const **) OMAP_SRAM_SCRATCH_DPLLS_PTR;
struct vcores_data const **omap_vcores =
(struct vcores_data const **) OMAP_SRAM_SCRATCH_VCORES_PTR;
struct omap_sys_ctrl_regs const **ctrl =
(struct omap_sys_ctrl_regs const **)OMAP_SRAM_SCRATCH_SYS_CTRL;
/*
* The M & N values in the following tables are created using the
* following tool:
* tools/omap/clocks_get_m_n.c
* Please use this tool for creating the table for any new frequency.
*/
/*
* dpll locked at 1400 MHz MPU clk at 700 MHz(OPP100) - DCC OFF
* OMAP4460 OPP_NOM frequency
*/
static const struct dpll_params mpu_dpll_params_1400mhz[NUM_SYS_CLKS] = {
{175, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
{700, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
{125, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
{401, 10, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
{350, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
{700, 26, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
{638, 34, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
/*
* dpll locked at 1600 MHz - MPU clk at 800 MHz(OPP Turbo 4430)
* OMAP4430 OPP_TURBO frequency
* OMAP4470 OPP_NOM frequency
*/
static const struct dpll_params mpu_dpll_params_1600mhz[NUM_SYS_CLKS] = {
{200, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
{800, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
{619, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
{125, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
{400, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
{800, 26, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
{125, 5, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
/*
* dpll locked at 1200 MHz - MPU clk at 600 MHz
* OMAP4430 OPP_NOM frequency
*/
static const struct dpll_params mpu_dpll_params_1200mhz[NUM_SYS_CLKS] = {
{50, 0, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
{600, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
{250, 6, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
{125, 3, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
{300, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
{200, 8, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
{125, 7, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
/* OMAP4460 OPP_NOM frequency */
/* OMAP4470 OPP_NOM (Low Power) frequency */
static const struct dpll_params core_dpll_params_1600mhz[NUM_SYS_CLKS] = {
{200, 2, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 12 MHz */
{800, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 13 MHz */
{619, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 16.8 MHz */
{125, 2, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 19.2 MHz */
{400, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 26 MHz */
{800, 26, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 27 MHz */
{125, 5, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1} /* 38.4 MHz */
};
/* OMAP4430 ES1 OPP_NOM frequency */
static const struct dpll_params core_dpll_params_es1_1524mhz[NUM_SYS_CLKS] = {
{127, 1, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 12 MHz */
{762, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 13 MHz */
{635, 13, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 16.8 MHz */
{635, 15, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 19.2 MHz */
{381, 12, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 26 MHz */
{254, 8, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 27 MHz */
{496, 24, 1, 5, 8, 4, 6, 5, -1, -1, -1, -1} /* 38.4 MHz */
};
/* OMAP4430 ES2.X OPP_NOM frequency */
static const struct dpll_params
core_dpll_params_es2_1600mhz_ddr200mhz[NUM_SYS_CLKS] = {
{200, 2, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 12 MHz */
{800, 12, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 13 MHz */
{619, 12, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 16.8 MHz */
{125, 2, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 19.2 MHz */
{400, 12, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 26 MHz */
{800, 26, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1}, /* 27 MHz */
{125, 5, 2, 5, 8, 4, 6, 5, -1, -1, -1, -1} /* 38.4 MHz */
};
static const struct dpll_params per_dpll_params_1536mhz[NUM_SYS_CLKS] = {
{64, 0, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 12 MHz */
{768, 12, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 13 MHz */
{320, 6, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 16.8 MHz */
{40, 0, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 19.2 MHz */
{384, 12, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 26 MHz */
{256, 8, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1}, /* 27 MHz */
{20, 0, 8, 6, 12, 9, 4, 5, -1, -1, -1, -1} /* 38.4 MHz */
};
static const struct dpll_params iva_dpll_params_1862mhz[NUM_SYS_CLKS] = {
{931, 11, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
{931, 12, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
{665, 11, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
{727, 14, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
{931, 25, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
{931, 26, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
{291, 11, -1, -1, 4, 7, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
/* ABE M & N values with sys_clk as source */
static const struct dpll_params
abe_dpll_params_sysclk_196608khz[NUM_SYS_CLKS] = {
{49, 5, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
{68, 8, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
{35, 5, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
{46, 8, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
{34, 8, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
{29, 7, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
{64, 24, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
/* ABE M & N values with 32K clock as source */
static const struct dpll_params abe_dpll_params_32k_196608khz = {
750, 0, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1
};
static const struct dpll_params usb_dpll_params_1920mhz[NUM_SYS_CLKS] = {
{80, 0, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */
{960, 12, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */
{400, 6, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */
{50, 0, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */
{480, 12, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */
{320, 8, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */
{25, 0, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */
};
struct dplls omap4430_dplls_es1 = {
.mpu = mpu_dpll_params_1200mhz,
.core = core_dpll_params_es1_1524mhz,
.per = per_dpll_params_1536mhz,
.iva = iva_dpll_params_1862mhz,
#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
.abe = abe_dpll_params_sysclk_196608khz,
#else
.abe = &abe_dpll_params_32k_196608khz,
#endif
.usb = usb_dpll_params_1920mhz,
.ddr = NULL
};
struct dplls omap4430_dplls_es20 = {
.mpu = mpu_dpll_params_1200mhz,
.core = core_dpll_params_es2_1600mhz_ddr200mhz,
.per = per_dpll_params_1536mhz,
.iva = iva_dpll_params_1862mhz,
#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
.abe = abe_dpll_params_sysclk_196608khz,
#else
.abe = &abe_dpll_params_32k_196608khz,
#endif
.usb = usb_dpll_params_1920mhz,
.ddr = NULL
};
struct dplls omap4430_dplls = {
.mpu = mpu_dpll_params_1200mhz,
.core = core_dpll_params_1600mhz,
.per = per_dpll_params_1536mhz,
.iva = iva_dpll_params_1862mhz,
#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
.abe = abe_dpll_params_sysclk_196608khz,
#else
.abe = &abe_dpll_params_32k_196608khz,
#endif
.usb = usb_dpll_params_1920mhz,
.ddr = NULL
};
struct dplls omap4460_dplls = {
.mpu = mpu_dpll_params_1400mhz,
.core = core_dpll_params_1600mhz,
.per = per_dpll_params_1536mhz,
.iva = iva_dpll_params_1862mhz,
#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
.abe = abe_dpll_params_sysclk_196608khz,
#else
.abe = &abe_dpll_params_32k_196608khz,
#endif
.usb = usb_dpll_params_1920mhz,
.ddr = NULL
};
struct dplls omap4470_dplls = {
.mpu = mpu_dpll_params_1600mhz,
.core = core_dpll_params_1600mhz,
.per = per_dpll_params_1536mhz,
.iva = iva_dpll_params_1862mhz,
#ifdef CONFIG_SYS_OMAP_ABE_SYSCK
.abe = abe_dpll_params_sysclk_196608khz,
#else
.abe = &abe_dpll_params_32k_196608khz,
#endif
.usb = usb_dpll_params_1920mhz,
.ddr = NULL
};
struct pmic_data twl6030_4430es1 = {
.base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_UV,
.step = 12660, /* 12.66 mV represented in uV */
/* The code starts at 1 not 0 */
.start_code = 1,
.i2c_slave_addr = SMPS_I2C_SLAVE_ADDR,
.pmic_bus_init = sri2c_init,
.pmic_write = omap_vc_bypass_send_value,
};
/* twl6030 struct is used for TWL6030 and TWL6032 PMIC */
struct pmic_data twl6030 = {
.base_offset = PHOENIX_SMPS_BASE_VOLT_STD_MODE_WITH_OFFSET_UV,
.step = 12660, /* 12.66 mV represented in uV */
/* The code starts at 1 not 0 */
.start_code = 1,
.i2c_slave_addr = SMPS_I2C_SLAVE_ADDR,
.pmic_bus_init = sri2c_init,
.pmic_write = omap_vc_bypass_send_value,
};
struct pmic_data tps62361 = {
.base_offset = TPS62361_BASE_VOLT_MV,
.step = 10000, /* 10 mV represented in uV */
.start_code = 0,
.gpio = TPS62361_VSEL0_GPIO,
.gpio_en = 1,
.i2c_slave_addr = SMPS_I2C_SLAVE_ADDR,
.pmic_bus_init = sri2c_init,
.pmic_write = omap_vc_bypass_send_value,
};
struct vcores_data omap4430_volts_es1 = {
.mpu.value = 1325,
.mpu.addr = SMPS_REG_ADDR_VCORE1,
.mpu.pmic = &twl6030_4430es1,
.core.value = 1200,
.core.addr = SMPS_REG_ADDR_VCORE3,
.core.pmic = &twl6030_4430es1,
.mm.value = 1200,
.mm.addr = SMPS_REG_ADDR_VCORE2,
.mm.pmic = &twl6030_4430es1,
};
struct vcores_data omap4430_volts = {
.mpu.value = 1325,
.mpu.addr = SMPS_REG_ADDR_VCORE1,
.mpu.pmic = &twl6030,
.core.value = 1200,
.core.addr = SMPS_REG_ADDR_VCORE3,
.core.pmic = &twl6030,
.mm.value = 1200,
.mm.addr = SMPS_REG_ADDR_VCORE2,
.mm.pmic = &twl6030,
};
struct vcores_data omap4460_volts = {
.mpu.value = 1203,
.mpu.addr = TPS62361_REG_ADDR_SET1,
.mpu.pmic = &tps62361,
.core.value = 1200,
.core.addr = SMPS_REG_ADDR_VCORE1,
.core.pmic = &twl6030,
.mm.value = 1200,
.mm.addr = SMPS_REG_ADDR_VCORE2,
.mm.pmic = &twl6030,
};
/*
* Take closest integer part of the mV value corresponding to a TWL6032 SMPS
* voltage selection code. Aligned with OMAP4470 ES1.0 OCA V.0.7.
*/
struct vcores_data omap4470_volts = {
.mpu.value = 1202,
.mpu.addr = SMPS_REG_ADDR_SMPS1,
.mpu.pmic = &twl6030,
.core.value = 1126,
.core.addr = SMPS_REG_ADDR_SMPS2,
.core.pmic = &twl6030,
.mm.value = 1139,
.mm.addr = SMPS_REG_ADDR_SMPS5,
.mm.pmic = &twl6030,
};
/*
* Enable essential clock domains, modules and
* do some additional special settings needed
*/
void enable_basic_clocks(void)
{
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_l3_gpmc_clkctrl,
(*prcm)->cm_memif_emif_1_clkctrl,
(*prcm)->cm_memif_emif_2_clkctrl,
(*prcm)->cm_l4cfg_l4_cfg_clkctrl,
(*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,
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;
}
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