diff options
Diffstat (limited to 'arch/arm/cpu/armv7/am33xx')
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/Kconfig | 137 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/Makefile | 22 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/board.c | 300 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clk_synthesizer.c | 104 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock.c | 241 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock_am33xx.c | 234 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock_am43xx.c | 231 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock_ti814x.c | 404 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/clock_ti816x.c | 445 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/config.mk | 48 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/ddr.c | 377 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/emif4.c | 140 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/mux.c | 33 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/sys_info.c | 176 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/am33xx/u-boot-spl.lds | 56 |
15 files changed, 0 insertions, 2948 deletions
diff --git a/arch/arm/cpu/armv7/am33xx/Kconfig b/arch/arm/cpu/armv7/am33xx/Kconfig deleted file mode 100644 index 8fd32c2a46..0000000000 --- a/arch/arm/cpu/armv7/am33xx/Kconfig +++ /dev/null @@ -1,137 +0,0 @@ -if AM33XX - -choice - prompt "AM33xx board select" - optional - -config TARGET_AM335X_EVM - bool "Support am335x_evm" - select DM - select DM_SERIAL - select DM_GPIO - select TI_I2C_BOARD_DETECT - help - This option specifies support for the AM335x - GP and HS EVM development platforms. The AM335x - GP EVM is a standalone test, development, and - evaluation module system that enables developers - to write software and develop hardware around - an AM335x processor subsystem. - -config TARGET_AM335X_BALTOS - bool "Support am335x_baltos" - select DM - select DM_SERIAL - select DM_GPIO - -config TARGET_AM335X_IGEP0033 - bool "Support am335x_igep0033" - select DM - select DM_SERIAL - select DM_GPIO - -config TARGET_AM335X_SHC - bool "Support am335x based shc board from bosch" - select DM - select DM_SERIAL - select DM_GPIO - -config TARGET_AM335X_SL50 - bool "Support am335x_sl50" - select DM - select DM_SERIAL - select DM_GPIO - -config TARGET_BAV335X - bool "Support bav335x" - select DM - select DM_SERIAL - help - The BAV335x OEM Network Processor integrates all the functions of an - embedded network computer in a small, easy to use SODIMM module which - incorporates the popular Texas Instruments Sitara 32bit ARM Coretex-A8 - processor, with fast DDR3 512MB SDRAM, 4GB of embedded MMC and a Gigabit - ethernet with simple connection to external connectors. - - For more information, visit: http://birdland.com/oem - -config TARGET_CM_T335 - bool "Support cm_t335" - select DM - select DM_SERIAL - select DM_GPIO - -config TARGET_PCM051 - bool "Support pcm051" - select DM - select DM_SERIAL - select DM_GPIO - -config TARGET_PENGWYN - bool "Support pengwyn" - select DM - select DM_SERIAL - select DM_GPIO - -config TARGET_PEPPER - bool "Support pepper" - select DM - select DM_SERIAL - select DM_GPIO - -endchoice - -endif - -if AM43XX - -config SPL_EXT_SUPPORT - default y - -config SPL_GPIO_SUPPORT - default y - -config SPL_I2C_SUPPORT - default y - -config TARGET_AM43XX_EVM - bool "Support am43xx_evm" - select TI_I2C_BOARD_DETECT - help - This option specifies support for the AM43xx - GP and HS EVM development platforms.The AM437x - GP EVM is a standalone test, development, and - evaluation module system that enables developers - to write software and develop hardware around - an AM43xx processor subsystem. -endif - -if AM43XX || AM33XX -config ISW_ENTRY_ADDR - hex "Address in memory or XIP flash of bootloader entry point" - help - After any reset, the boot ROM on the AM43XX SOC - searches the boot media for a valid boot image. - For non-XIP devices, the ROM then copies the - image into internal memory. - For all boot modes, after the ROM processes the - boot image it eventually computes the entry - point address depending on the device type - (secure/non-secure), boot media (xip/non-xip) and - image headers. - default 0x402F4000 - -config PUB_ROM_DATA_SIZE - hex "Size in bytes of the L3 SRAM reserved by ROM to store data" - help - During the device boot, the public ROM uses the top of - the public L3 OCMC RAM to store r/w data like stack, - heap, globals etc. When the ROM is copying the boot - image from the boot media into memory, the image must - not spill over into this area. This value can be used - during compile time to determine the maximum size of a - boot image. Once the ROM transfers control to the boot - image, this area is no longer used, and can be reclaimed - for run time use by the boot image. - default 0x8400 -endif diff --git a/arch/arm/cpu/armv7/am33xx/Makefile b/arch/arm/cpu/armv7/am33xx/Makefile deleted file mode 100644 index 6fda4825fc..0000000000 --- a/arch/arm/cpu/armv7/am33xx/Makefile +++ /dev/null @@ -1,22 +0,0 @@ -# -# Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ -# -# SPDX-License-Identifier: GPL-2.0+ -# - -obj-$(CONFIG_AM33XX) += clock_am33xx.o -obj-$(CONFIG_TI814X) += clock_ti814x.o -obj-$(CONFIG_AM43XX) += clock_am43xx.o - -ifneq ($(CONFIG_AM43XX)$(CONFIG_AM33XX),) -obj-y += clock.o -endif - -obj-$(CONFIG_TI816X) += clock_ti816x.o -obj-y += sys_info.o -obj-y += ddr.o -obj-y += emif4.o -obj-y += board.o -obj-y += mux.o - -obj-$(CONFIG_CLOCK_SYNTHESIZER) += clk_synthesizer.o diff --git a/arch/arm/cpu/armv7/am33xx/board.c b/arch/arm/cpu/armv7/am33xx/board.c deleted file mode 100644 index 68badedd14..0000000000 --- a/arch/arm/cpu/armv7/am33xx/board.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - * board.c - * - * Common board functions for AM33XX based boards - * - * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <dm.h> -#include <errno.h> -#include <ns16550.h> -#include <spl.h> -#include <asm/arch/cpu.h> -#include <asm/arch/hardware.h> -#include <asm/arch/omap.h> -#include <asm/arch/ddr_defs.h> -#include <asm/arch/clock.h> -#include <asm/arch/gpio.h> -#include <asm/arch/mem.h> -#include <asm/arch/mmc_host_def.h> -#include <asm/arch/sys_proto.h> -#include <asm/io.h> -#include <asm/emif.h> -#include <asm/gpio.h> -#include <i2c.h> -#include <miiphy.h> -#include <cpsw.h> -#include <linux/errno.h> -#include <linux/compiler.h> -#include <linux/usb/ch9.h> -#include <linux/usb/gadget.h> -#include <linux/usb/musb.h> -#include <asm/omap_musb.h> -#include <asm/davinci_rtc.h> - -DECLARE_GLOBAL_DATA_PTR; - -#if !CONFIG_IS_ENABLED(OF_CONTROL) -static const struct ns16550_platdata am33xx_serial[] = { - { .base = CONFIG_SYS_NS16550_COM1, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -# ifdef CONFIG_SYS_NS16550_COM2 - { .base = CONFIG_SYS_NS16550_COM2, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -# ifdef CONFIG_SYS_NS16550_COM3 - { .base = CONFIG_SYS_NS16550_COM3, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, - { .base = CONFIG_SYS_NS16550_COM4, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, - { .base = CONFIG_SYS_NS16550_COM5, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, - { .base = CONFIG_SYS_NS16550_COM6, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -# endif -# endif -}; - -U_BOOT_DEVICES(am33xx_uarts) = { - { "ns16550_serial", &am33xx_serial[0] }, -# ifdef CONFIG_SYS_NS16550_COM2 - { "ns16550_serial", &am33xx_serial[1] }, -# ifdef CONFIG_SYS_NS16550_COM3 - { "ns16550_serial", &am33xx_serial[2] }, - { "ns16550_serial", &am33xx_serial[3] }, - { "ns16550_serial", &am33xx_serial[4] }, - { "ns16550_serial", &am33xx_serial[5] }, -# endif -# endif -}; - -#ifdef CONFIG_DM_GPIO -static const struct omap_gpio_platdata am33xx_gpio[] = { - { 0, AM33XX_GPIO0_BASE }, - { 1, AM33XX_GPIO1_BASE }, - { 2, AM33XX_GPIO2_BASE }, - { 3, AM33XX_GPIO3_BASE }, -#ifdef CONFIG_AM43XX - { 4, AM33XX_GPIO4_BASE }, - { 5, AM33XX_GPIO5_BASE }, -#endif -}; - -U_BOOT_DEVICES(am33xx_gpios) = { - { "gpio_omap", &am33xx_gpio[0] }, - { "gpio_omap", &am33xx_gpio[1] }, - { "gpio_omap", &am33xx_gpio[2] }, - { "gpio_omap", &am33xx_gpio[3] }, -#ifdef CONFIG_AM43XX - { "gpio_omap", &am33xx_gpio[4] }, - { "gpio_omap", &am33xx_gpio[5] }, -#endif -}; -#endif -#endif - -#ifndef CONFIG_DM_GPIO -static const struct gpio_bank gpio_bank_am33xx[] = { - { (void *)AM33XX_GPIO0_BASE }, - { (void *)AM33XX_GPIO1_BASE }, - { (void *)AM33XX_GPIO2_BASE }, - { (void *)AM33XX_GPIO3_BASE }, -#ifdef CONFIG_AM43XX - { (void *)AM33XX_GPIO4_BASE }, - { (void *)AM33XX_GPIO5_BASE }, -#endif -}; - -const struct gpio_bank *const omap_gpio_bank = gpio_bank_am33xx; -#endif - -#if defined(CONFIG_OMAP_HSMMC) && !defined(CONFIG_SPL_BUILD) -int cpu_mmc_init(bd_t *bis) -{ - int ret; - - ret = omap_mmc_init(0, 0, 0, -1, -1); - if (ret) - return ret; - - return omap_mmc_init(1, 0, 0, -1, -1); -} -#endif - -/* AM33XX has two MUSB controllers which can be host or gadget */ -#if (defined(CONFIG_USB_MUSB_GADGET) || defined(CONFIG_USB_MUSB_HOST)) && \ - (defined(CONFIG_AM335X_USB0) || defined(CONFIG_AM335X_USB1)) -static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE; - -/* USB 2.0 PHY Control */ -#define CM_PHY_PWRDN (1 << 0) -#define CM_PHY_OTG_PWRDN (1 << 1) -#define OTGVDET_EN (1 << 19) -#define OTGSESSENDEN (1 << 20) - -static void am33xx_usb_set_phy_power(u8 on, u32 *reg_addr) -{ - if (on) { - clrsetbits_le32(reg_addr, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN, - OTGVDET_EN | OTGSESSENDEN); - } else { - clrsetbits_le32(reg_addr, 0, CM_PHY_PWRDN | CM_PHY_OTG_PWRDN); - } -} - -static struct musb_hdrc_config musb_config = { - .multipoint = 1, - .dyn_fifo = 1, - .num_eps = 16, - .ram_bits = 12, -}; - -#ifdef CONFIG_AM335X_USB0 -static void am33xx_otg0_set_phy_power(u8 on) -{ - am33xx_usb_set_phy_power(on, &cdev->usb_ctrl0); -} - -struct omap_musb_board_data otg0_board_data = { - .set_phy_power = am33xx_otg0_set_phy_power, -}; - -static struct musb_hdrc_platform_data otg0_plat = { - .mode = CONFIG_AM335X_USB0_MODE, - .config = &musb_config, - .power = 50, - .platform_ops = &musb_dsps_ops, - .board_data = &otg0_board_data, -}; -#endif - -#ifdef CONFIG_AM335X_USB1 -static void am33xx_otg1_set_phy_power(u8 on) -{ - am33xx_usb_set_phy_power(on, &cdev->usb_ctrl1); -} - -struct omap_musb_board_data otg1_board_data = { - .set_phy_power = am33xx_otg1_set_phy_power, -}; - -static struct musb_hdrc_platform_data otg1_plat = { - .mode = CONFIG_AM335X_USB1_MODE, - .config = &musb_config, - .power = 50, - .platform_ops = &musb_dsps_ops, - .board_data = &otg1_board_data, -}; -#endif -#endif - -int arch_misc_init(void) -{ -#ifdef CONFIG_AM335X_USB0 - musb_register(&otg0_plat, &otg0_board_data, - (void *)USB0_OTG_BASE); -#endif -#ifdef CONFIG_AM335X_USB1 - musb_register(&otg1_plat, &otg1_board_data, - (void *)USB1_OTG_BASE); -#endif - return 0; -} - -#ifndef CONFIG_SKIP_LOWLEVEL_INIT -/* - * In the case of non-SPL based booting we'll want to call these - * functions a tiny bit later as it will require gd to be set and cleared - * and that's not true in s_init in this case so we cannot do it there. - */ -int board_early_init_f(void) -{ - prcm_init(); - set_mux_conf_regs(); - - return 0; -} - -/* - * This function is the place to do per-board things such as ramp up the - * MPU clock frequency. - */ -__weak void am33xx_spl_board_init(void) -{ - do_setup_dpll(&dpll_core_regs, &dpll_core_opp100); - do_setup_dpll(&dpll_mpu_regs, &dpll_mpu_opp100); -} - -#if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC) -static void rtc32k_enable(void) -{ - struct davinci_rtc *rtc = (struct davinci_rtc *)RTC_BASE; - - /* - * Unlock the RTC's registers. For more details please see the - * RTC_SS section of the TRM. In order to unlock we need to - * write these specific values (keys) in this order. - */ - writel(RTC_KICK0R_WE, &rtc->kick0r); - writel(RTC_KICK1R_WE, &rtc->kick1r); - - /* Enable the RTC 32K OSC by setting bits 3 and 6. */ - writel((1 << 3) | (1 << 6), &rtc->osc); -} -#endif - -static void uart_soft_reset(void) -{ - struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE; - u32 regval; - - regval = readl(&uart_base->uartsyscfg); - regval |= UART_RESET; - writel(regval, &uart_base->uartsyscfg); - while ((readl(&uart_base->uartsyssts) & - UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK) - ; - - /* Disable smart idle */ - regval = readl(&uart_base->uartsyscfg); - regval |= UART_SMART_IDLE_EN; - writel(regval, &uart_base->uartsyscfg); -} - -static void watchdog_disable(void) -{ - struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; - - writel(0xAAAA, &wdtimer->wdtwspr); - while (readl(&wdtimer->wdtwwps) != 0x0) - ; - writel(0x5555, &wdtimer->wdtwspr); - while (readl(&wdtimer->wdtwwps) != 0x0) - ; -} - -#ifdef CONFIG_SPL_BUILD -void board_init_f(ulong dummy) -{ - board_early_init_f(); - sdram_init(); -} -#endif - -void s_init(void) -{ - /* - * The ROM will only have set up sufficient pinmux to allow for the - * first 4KiB NOR to be read, we must finish doing what we know of - * the NOR mux in this space in order to continue. - */ -#ifdef CONFIG_NOR_BOOT - enable_norboot_pin_mux(); -#endif - watchdog_disable(); - set_uart_mux_conf(); - setup_clocks_for_console(); - uart_soft_reset(); -#if defined(CONFIG_SPL_AM33XX_ENABLE_RTC32K_OSC) - /* Enable RTC32K clock */ - rtc32k_enable(); -#endif -} -#endif diff --git a/arch/arm/cpu/armv7/am33xx/clk_synthesizer.c b/arch/arm/cpu/armv7/am33xx/clk_synthesizer.c deleted file mode 100644 index 316e677c65..0000000000 --- a/arch/arm/cpu/armv7/am33xx/clk_synthesizer.c +++ /dev/null @@ -1,104 +0,0 @@ -/* - * clk-synthesizer.c - * - * Clock synthesizer apis - * - * Copyright (C) 2016, Texas Instruments, Incorporated - http://www.ti.com/ - * - * SPDX-License-Identifier: GPL-2.0+ - */ - - -#include <common.h> -#include <asm/arch/clk_synthesizer.h> -#include <i2c.h> - -/** - * clk_synthesizer_reg_read - Read register from synthesizer. - * @addr: addr within the i2c device - * buf: Buffer to which value is to be read. - * - * For reading the register from this clock synthesizer, a command needs to - * be send along with enabling byte read more, and then read can happen. - * Returns 0 on success - */ -static int clk_synthesizer_reg_read(int addr, uint8_t *buf) -{ - int rc; - - /* Enable Bye read */ - addr = addr | CLK_SYNTHESIZER_BYTE_MODE; - - /* Send the command byte */ - rc = i2c_write(CLK_SYNTHESIZER_I2C_ADDR, addr, 1, buf, 1); - if (rc) - printf("Failed to send command to clock synthesizer\n"); - - /* Read the Data */ - return i2c_read(CLK_SYNTHESIZER_I2C_ADDR, addr, 1, buf, 1); -} - -/** - * clk_synthesizer_reg_write - Write a value to register in synthesizer. - * @addr: addr within the i2c device - * val: Value to be written in the addr. - * - * Enable the byte read mode in the address and start the i2c transfer. - * Returns 0 on success - */ -static int clk_synthesizer_reg_write(int addr, uint8_t val) -{ - uint8_t cmd[2]; - int rc = 0; - - /* Enable byte write */ - cmd[0] = addr | CLK_SYNTHESIZER_BYTE_MODE; - cmd[1] = val; - - rc = i2c_write(CLK_SYNTHESIZER_I2C_ADDR, addr, 1, cmd, 2); - if (rc) - printf("Clock synthesizer reg write failed at addr = 0x%x\n", - addr); - return rc; -} - -/** - * setup_clock_syntherizer - Program the clock synthesizer to get the desired - * frequency. - * @data: Data containing the desired output - * - * This is a PLL-based high performance synthesizer which gives 3 outputs - * as per the PLL_DIV and load capacitor programmed. - */ -int setup_clock_synthesizer(struct clk_synth *data) -{ - int rc; - uint8_t val; - - rc = i2c_probe(CLK_SYNTHESIZER_I2C_ADDR); - if (rc) { - printf("i2c probe failed at address 0x%x\n", - CLK_SYNTHESIZER_I2C_ADDR); - return rc; - } - - rc = clk_synthesizer_reg_read(CLK_SYNTHESIZER_ID_REG, &val); - if (val != data->id) - return rc; - - /* Crystal Load capacitor selection */ - rc = clk_synthesizer_reg_write(CLK_SYNTHESIZER_XCSEL, data->capacitor); - if (rc) - return rc; - rc = clk_synthesizer_reg_write(CLK_SYNTHESIZER_MUX_REG, data->mux); - if (rc) - return rc; - rc = clk_synthesizer_reg_write(CLK_SYNTHESIZER_PDIV2_REG, data->pdiv2); - if (rc) - return rc; - rc = clk_synthesizer_reg_write(CLK_SYNTHESIZER_PDIV3_REG, data->pdiv3); - if (rc) - return rc; - - return 0; -} diff --git a/arch/arm/cpu/armv7/am33xx/clock.c b/arch/arm/cpu/armv7/am33xx/clock.c deleted file mode 100644 index 9b9b78eddd..0000000000 --- a/arch/arm/cpu/armv7/am33xx/clock.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * clock.c - * - * Clock initialization for AM33XX boards. - * Derived from OMAP4 boards - * - * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/ - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#include <common.h> -#include <asm/arch/cpu.h> -#include <asm/arch/clock.h> -#include <asm/arch/hardware.h> -#include <asm/arch/sys_proto.h> -#include <asm/io.h> - -static void setup_post_dividers(const struct dpll_regs *dpll_regs, - const struct dpll_params *params) -{ - /* Setup post-dividers */ - if (params->m2 >= 0) - writel(params->m2, dpll_regs->cm_div_m2_dpll); - if (params->m3 >= 0) - writel(params->m3, dpll_regs->cm_div_m3_dpll); - if (params->m4 >= 0) - writel(params->m4, dpll_regs->cm_div_m4_dpll); - if (params->m5 >= 0) - writel(params->m5, dpll_regs->cm_div_m5_dpll); - if (params->m6 >= 0) - writel(params->m6, dpll_regs->cm_div_m6_dpll); -} - -static inline void do_lock_dpll(const struct dpll_regs *dpll_regs) -{ - clrsetbits_le32(dpll_regs->cm_clkmode_dpll, - CM_CLKMODE_DPLL_DPLL_EN_MASK, - DPLL_EN_LOCK << CM_CLKMODE_DPLL_EN_SHIFT); -} - -static inline void wait_for_lock(const struct dpll_regs *dpll_regs) -{ - if (!wait_on_value(ST_DPLL_CLK_MASK, ST_DPLL_CLK_MASK, - (void *)dpll_regs->cm_idlest_dpll, LDELAY)) { - printf("DPLL locking failed for 0x%x\n", - dpll_regs->cm_clkmode_dpll); - hang(); - } -} - -static inline void do_bypass_dpll(const struct dpll_regs *dpll_regs) -{ - clrsetbits_le32(dpll_regs->cm_clkmode_dpll, - CM_CLKMODE_DPLL_DPLL_EN_MASK, - DPLL_EN_MN_BYPASS << CM_CLKMODE_DPLL_EN_SHIFT); -} - -static inline void wait_for_bypass(const struct dpll_regs *dpll_regs) -{ - if (!wait_on_value(ST_DPLL_CLK_MASK, 0, - (void *)dpll_regs->cm_idlest_dpll, LDELAY)) { - printf("Bypassing DPLL failed 0x%x\n", - dpll_regs->cm_clkmode_dpll); - } -} - -static void bypass_dpll(const struct dpll_regs *dpll_regs) -{ - do_bypass_dpll(dpll_regs); - wait_for_bypass(dpll_regs); -} - -void do_setup_dpll(const struct dpll_regs *dpll_regs, - const struct dpll_params *params) -{ - u32 temp; - - if (!params) - return; - - temp = readl(dpll_regs->cm_clksel_dpll); - - bypass_dpll(dpll_regs); - - /* Set M & N */ - temp &= ~CM_CLKSEL_DPLL_M_MASK; - temp |= (params->m << CM_CLKSEL_DPLL_M_SHIFT) & CM_CLKSEL_DPLL_M_MASK; - - temp &= ~CM_CLKSEL_DPLL_N_MASK; - temp |= (params->n << CM_CLKSEL_DPLL_N_SHIFT) & CM_CLKSEL_DPLL_N_MASK; - - writel(temp, dpll_regs->cm_clksel_dpll); - - setup_post_dividers(dpll_regs, params); - - /* Wait till the DPLL locks */ - do_lock_dpll(dpll_regs); - wait_for_lock(dpll_regs); -} - -static void setup_dplls(void) -{ - const struct dpll_params *params; - - params = get_dpll_core_params(); - do_setup_dpll(&dpll_core_regs, params); - - params = get_dpll_mpu_params(); - do_setup_dpll(&dpll_mpu_regs, params); - - params = get_dpll_per_params(); - do_setup_dpll(&dpll_per_regs, params); - writel(0x300, &cmwkup->clkdcoldodpllper); - - params = get_dpll_ddr_params(); - do_setup_dpll(&dpll_ddr_regs, params); -} - -static inline void wait_for_clk_enable(u32 *clkctrl_addr) -{ - u32 clkctrl, idlest = MODULE_CLKCTRL_IDLEST_DISABLED; - u32 bound = LDELAY; - - while ((idlest == MODULE_CLKCTRL_IDLEST_DISABLED) || - (idlest == MODULE_CLKCTRL_IDLEST_TRANSITIONING)) { - clkctrl = readl(clkctrl_addr); - idlest = (clkctrl & MODULE_CLKCTRL_IDLEST_MASK) >> - MODULE_CLKCTRL_IDLEST_SHIFT; - if (--bound == 0) { - printf("Clock enable failed for 0x%p idlest 0x%x\n", - clkctrl_addr, clkctrl); - return; - } - } -} - -static inline void enable_clock_module(u32 *const clkctrl_addr, u32 enable_mode, - u32 wait_for_enable) -{ - clrsetbits_le32(clkctrl_addr, MODULE_CLKCTRL_MODULEMODE_MASK, - enable_mode << MODULE_CLKCTRL_MODULEMODE_SHIFT); - debug("Enable clock module - %p\n", clkctrl_addr); - if (wait_for_enable) - wait_for_clk_enable(clkctrl_addr); -} - -static inline void wait_for_clk_disable(u32 *clkctrl_addr) -{ - u32 clkctrl, idlest = MODULE_CLKCTRL_IDLEST_FULLY_FUNCTIONAL; - u32 bound = LDELAY; - - while ((idlest != MODULE_CLKCTRL_IDLEST_DISABLED)) { - clkctrl = readl(clkctrl_addr); - idlest = (clkctrl & MODULE_CLKCTRL_IDLEST_MASK) >> - MODULE_CLKCTRL_IDLEST_SHIFT; - if (--bound == 0) { - printf("Clock disable failed for 0x%p idlest 0x%x\n", - clkctrl_addr, clkctrl); - return; - } - } -} -static inline void disable_clock_module(u32 *const clkctrl_addr, - u32 wait_for_disable) -{ - clrsetbits_le32(clkctrl_addr, MODULE_CLKCTRL_MODULEMODE_MASK, - MODULE_CLKCTRL_MODULEMODE_SW_DISABLE << - MODULE_CLKCTRL_MODULEMODE_SHIFT); - debug("Disable clock module - %p\n", clkctrl_addr); - if (wait_for_disable) - wait_for_clk_disable(clkctrl_addr); -} - -static inline void enable_clock_domain(u32 *const clkctrl_reg, u32 enable_mode) -{ - clrsetbits_le32(clkctrl_reg, CD_CLKCTRL_CLKTRCTRL_MASK, - enable_mode << CD_CLKCTRL_CLKTRCTRL_SHIFT); - debug("Enable clock domain - %p\n", clkctrl_reg); -} - -static inline void disable_clock_domain(u32 *const clkctrl_reg) -{ - clrsetbits_le32(clkctrl_reg, CD_CLKCTRL_CLKTRCTRL_MASK, - CD_CLKCTRL_CLKTRCTRL_SW_SLEEP << - CD_CLKCTRL_CLKTRCTRL_SHIFT); - debug("Disable clock domain - %p\n", clkctrl_reg); -} - -void do_enable_clocks(u32 *const *clk_domains, - 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 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); - }; -} - -void do_disable_clocks(u32 *const *clk_domains, - u32 *const *clk_modules_disable, - u8 wait_for_disable) -{ - u32 i, max = 100; - - - /* Clock modules that need to be put in SW_DISABLE */ - for (i = 0; (i < max) && clk_modules_disable[i]; i++) - disable_clock_module(clk_modules_disable[i], - wait_for_disable); - - /* Put the clock domains in SW_SLEEP mode */ - for (i = 0; (i < max) && clk_domains[i]; i++) - disable_clock_domain(clk_domains[i]); -} - -/* - * Before scaling up the clocks we need to have the PMIC scale up the - * voltages first. This will be dependent on which PMIC is in use - * and in some cases we may not be scaling things up at all and thus not - * need to do anything here. - */ -__weak void scale_vcores(void) -{ -} - -void prcm_init() -{ - enable_basic_clocks(); - scale_vcores(); - setup_dplls(); - timer_init(); -} diff --git a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c b/arch/arm/cpu/armv7/am33xx/clock_am33xx.c deleted file mode 100644 index 7b841b2d55..0000000000 --- a/arch/arm/cpu/armv7/am33xx/clock_am33xx.c +++ /dev/null @@ -1,234 +0,0 @@ -/* - * clock_am33xx.c - * - * clocks for AM33XX based boards - * - * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/ - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/arch/cpu.h> -#include <asm/arch/clock.h> -#include <asm/arch/hardware.h> -#include <asm/io.h> - -#define OSC (V_OSCK/1000000) - -struct cm_perpll *const cmper = (struct cm_perpll *)CM_PER; -struct cm_wkuppll *const cmwkup = (struct cm_wkuppll *)CM_WKUP; -struct cm_dpll *const cmdpll = (struct cm_dpll *)CM_DPLL; -struct cm_rtc *const cmrtc = (struct cm_rtc *)CM_RTC; - -const struct dpll_regs dpll_mpu_regs = { - .cm_clkmode_dpll = CM_WKUP + 0x88, - .cm_idlest_dpll = CM_WKUP + 0x20, - .cm_clksel_dpll = CM_WKUP + 0x2C, - .cm_div_m2_dpll = CM_WKUP + 0xA8, -}; - -const struct dpll_regs dpll_core_regs = { - .cm_clkmode_dpll = CM_WKUP + 0x90, - .cm_idlest_dpll = CM_WKUP + 0x5C, - .cm_clksel_dpll = CM_WKUP + 0x68, - .cm_div_m4_dpll = CM_WKUP + 0x80, - .cm_div_m5_dpll = CM_WKUP + 0x84, - .cm_div_m6_dpll = CM_WKUP + 0xD8, -}; - -const struct dpll_regs dpll_per_regs = { - .cm_clkmode_dpll = CM_WKUP + 0x8C, - .cm_idlest_dpll = CM_WKUP + 0x70, - .cm_clksel_dpll = CM_WKUP + 0x9C, - .cm_div_m2_dpll = CM_WKUP + 0xAC, -}; - -const struct dpll_regs dpll_ddr_regs = { - .cm_clkmode_dpll = CM_WKUP + 0x94, - .cm_idlest_dpll = CM_WKUP + 0x34, - .cm_clksel_dpll = CM_WKUP + 0x40, - .cm_div_m2_dpll = CM_WKUP + 0xA0, -}; - -struct dpll_params dpll_mpu_opp100 = { - CONFIG_SYS_MPUCLK, OSC-1, 1, -1, -1, -1, -1}; -const struct dpll_params dpll_core_opp100 = { - 1000, OSC-1, -1, -1, 10, 8, 4}; -const struct dpll_params dpll_mpu = { - MPUPLL_M_300, OSC-1, 1, -1, -1, -1, -1}; -const struct dpll_params dpll_core = { - 50, OSC-1, -1, -1, 1, 1, 1}; -const struct dpll_params dpll_per = { - 960, OSC-1, 5, -1, -1, -1, -1}; - -const struct dpll_params *get_dpll_mpu_params(void) -{ - return &dpll_mpu; -} - -const struct dpll_params *get_dpll_core_params(void) -{ - return &dpll_core; -} - -const struct dpll_params *get_dpll_per_params(void) -{ - return &dpll_per; -} - -void setup_clocks_for_console(void) -{ - clrsetbits_le32(&cmwkup->wkclkstctrl, CD_CLKCTRL_CLKTRCTRL_MASK, - CD_CLKCTRL_CLKTRCTRL_SW_WKUP << - CD_CLKCTRL_CLKTRCTRL_SHIFT); - - clrsetbits_le32(&cmper->l4hsclkstctrl, CD_CLKCTRL_CLKTRCTRL_MASK, - CD_CLKCTRL_CLKTRCTRL_SW_WKUP << - CD_CLKCTRL_CLKTRCTRL_SHIFT); - - clrsetbits_le32(&cmwkup->wkup_uart0ctrl, - MODULE_CLKCTRL_MODULEMODE_MASK, - MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << - MODULE_CLKCTRL_MODULEMODE_SHIFT); - clrsetbits_le32(&cmper->uart1clkctrl, - MODULE_CLKCTRL_MODULEMODE_MASK, - MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << - MODULE_CLKCTRL_MODULEMODE_SHIFT); - clrsetbits_le32(&cmper->uart2clkctrl, - MODULE_CLKCTRL_MODULEMODE_MASK, - MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << - MODULE_CLKCTRL_MODULEMODE_SHIFT); - clrsetbits_le32(&cmper->uart3clkctrl, - MODULE_CLKCTRL_MODULEMODE_MASK, - MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << - MODULE_CLKCTRL_MODULEMODE_SHIFT); - clrsetbits_le32(&cmper->uart4clkctrl, - MODULE_CLKCTRL_MODULEMODE_MASK, - MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << - MODULE_CLKCTRL_MODULEMODE_SHIFT); - clrsetbits_le32(&cmper->uart5clkctrl, - MODULE_CLKCTRL_MODULEMODE_MASK, - MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << - MODULE_CLKCTRL_MODULEMODE_SHIFT); -} - -void enable_basic_clocks(void) -{ - u32 *const clk_domains[] = { - &cmper->l3clkstctrl, - &cmper->l4fwclkstctrl, - &cmper->l3sclkstctrl, - &cmper->l4lsclkstctrl, - &cmwkup->wkclkstctrl, - &cmper->emiffwclkctrl, - &cmrtc->clkstctrl, - 0 - }; - - u32 *const clk_modules_explicit_en[] = { - &cmper->l3clkctrl, - &cmper->l4lsclkctrl, - &cmper->l4fwclkctrl, - &cmwkup->wkl4wkclkctrl, - &cmper->l3instrclkctrl, - &cmper->l4hsclkctrl, - &cmwkup->wkgpio0clkctrl, - &cmwkup->wkctrlclkctrl, - &cmper->timer2clkctrl, - &cmper->gpmcclkctrl, - &cmper->elmclkctrl, - &cmper->mmc0clkctrl, - &cmper->mmc1clkctrl, - &cmwkup->wkup_i2c0ctrl, - &cmper->gpio1clkctrl, - &cmper->gpio2clkctrl, - &cmper->gpio3clkctrl, - &cmper->i2c1clkctrl, - &cmper->cpgmac0clkctrl, - &cmper->spi0clkctrl, - &cmrtc->rtcclkctrl, - &cmper->usb0clkctrl, - &cmper->emiffwclkctrl, - &cmper->emifclkctrl, - 0 - }; - - do_enable_clocks(clk_domains, clk_modules_explicit_en, 1); - - /* Select the Master osc 24 MHZ as Timer2 clock source */ - writel(0x1, &cmdpll->clktimer2clk); -} - -/* - * Enable Spread Spectrum for the MPU by calculating the required - * values and setting the registers accordingly. - * @param permille The spreading in permille (10th of a percent) - */ -void set_mpu_spreadspectrum(int permille) -{ - u32 multiplier_m; - u32 predivider_n; - u32 cm_clksel_dpll_mpu; - u32 cm_clkmode_dpll_mpu; - u32 ref_clock; - u32 pll_bandwidth; - u32 mod_freq_divider; - u32 exponent; - u32 mantissa; - u32 delta_m_step; - - printf("Enabling Spread Spectrum of %d permille for MPU\n", - permille); - - /* Read PLL parameter m and n */ - cm_clksel_dpll_mpu = readl(&cmwkup->clkseldpllmpu); - multiplier_m = (cm_clksel_dpll_mpu >> 8) & 0x3FF; - predivider_n = cm_clksel_dpll_mpu & 0x7F; - - /* - * Calculate reference clock (clock after pre-divider), - * its max. PLL bandwidth, - * and resulting mod_freq_divider - */ - ref_clock = V_OSCK / (predivider_n + 1); - pll_bandwidth = ref_clock / 70; - mod_freq_divider = ref_clock / (4 * pll_bandwidth); - - /* Calculate Mantissa/Exponent */ - exponent = 0; - mantissa = mod_freq_divider; - while ((mantissa > 127) && (exponent < 7)) { - exponent++; - mantissa /= 2; - } - if (mantissa > 127) - mantissa = 127; - - mod_freq_divider = mantissa << exponent; - - /* - * Calculate Modulation steps - * As we use Downspread only, the spread is twice the value of - * permille, so Div2! - * As it takes the value in percent, divide by ten! - */ - delta_m_step = ((u32)((multiplier_m * permille) / 10 / 2)) << 18; - delta_m_step /= 100; - delta_m_step /= mod_freq_divider; - if (delta_m_step > 0xFFFFF) - delta_m_step = 0xFFFFF; - - /* Setup Spread Spectrum */ - writel(delta_m_step, &cmwkup->sscdeltamstepdllmpu); - writel((exponent << 8) | mantissa, &cmwkup->sscmodfreqdivdpllmpu); - cm_clkmode_dpll_mpu = readl(&cmwkup->clkmoddpllmpu); - /* clear all SSC flags */ - cm_clkmode_dpll_mpu &= ~(0xF << CM_CLKMODE_DPLL_SSC_EN_SHIFT); - /* enable SSC with Downspread only */ - cm_clkmode_dpll_mpu |= CM_CLKMODE_DPLL_SSC_EN_MASK | - CM_CLKMODE_DPLL_SSC_DOWNSPREAD_MASK; - writel(cm_clkmode_dpll_mpu, &cmwkup->clkmoddpllmpu); - while (!(readl(&cmwkup->clkmoddpllmpu) & 0x2000)) - ; -} diff --git a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c b/arch/arm/cpu/armv7/am33xx/clock_am43xx.c deleted file mode 100644 index 73ea955a6c..0000000000 --- a/arch/arm/cpu/armv7/am33xx/clock_am43xx.c +++ /dev/null @@ -1,231 +0,0 @@ -/* - * clock_am43xx.c - * - * clocks for AM43XX based boards - * Derived from AM33XX based boards - * - * Copyright (C) 2013, Texas Instruments, Incorporated - http://www.ti.com/ - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/arch/cpu.h> -#include <asm/arch/clock.h> -#include <asm/arch/hardware.h> -#include <asm/arch/sys_proto.h> -#include <asm/io.h> - -struct cm_perpll *const cmper = (struct cm_perpll *)CM_PER; -struct cm_wkuppll *const cmwkup = (struct cm_wkuppll *)CM_WKUP; -struct cm_dpll *const cmdpll = (struct cm_dpll *)CM_DPLL; - -const struct dpll_regs dpll_mpu_regs = { - .cm_clkmode_dpll = CM_WKUP + 0x560, - .cm_idlest_dpll = CM_WKUP + 0x564, - .cm_clksel_dpll = CM_WKUP + 0x56c, - .cm_div_m2_dpll = CM_WKUP + 0x570, -}; - -const struct dpll_regs dpll_core_regs = { - .cm_clkmode_dpll = CM_WKUP + 0x520, - .cm_idlest_dpll = CM_WKUP + 0x524, - .cm_clksel_dpll = CM_WKUP + 0x52C, - .cm_div_m4_dpll = CM_WKUP + 0x538, - .cm_div_m5_dpll = CM_WKUP + 0x53C, - .cm_div_m6_dpll = CM_WKUP + 0x540, -}; - -const struct dpll_regs dpll_per_regs = { - .cm_clkmode_dpll = CM_WKUP + 0x5E0, - .cm_idlest_dpll = CM_WKUP + 0x5E4, - .cm_clksel_dpll = CM_WKUP + 0x5EC, - .cm_div_m2_dpll = CM_WKUP + 0x5F0, -}; - -const struct dpll_regs dpll_ddr_regs = { - .cm_clkmode_dpll = CM_WKUP + 0x5A0, - .cm_idlest_dpll = CM_WKUP + 0x5A4, - .cm_clksel_dpll = CM_WKUP + 0x5AC, - .cm_div_m2_dpll = CM_WKUP + 0x5B0, - .cm_div_m4_dpll = CM_WKUP + 0x5B8, -}; - -void setup_clocks_for_console(void) -{ - u32 clkctrl, idlest = MODULE_CLKCTRL_IDLEST_DISABLED; - - /* Do not add any spl_debug prints in this function */ - clrsetbits_le32(&cmwkup->wkclkstctrl, CD_CLKCTRL_CLKTRCTRL_MASK, - CD_CLKCTRL_CLKTRCTRL_SW_WKUP << - CD_CLKCTRL_CLKTRCTRL_SHIFT); - - /* Enable UART0 */ - clrsetbits_le32(&cmwkup->wkup_uart0ctrl, - MODULE_CLKCTRL_MODULEMODE_MASK, - MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << - MODULE_CLKCTRL_MODULEMODE_SHIFT); - - while ((idlest == MODULE_CLKCTRL_IDLEST_DISABLED) || - (idlest == MODULE_CLKCTRL_IDLEST_TRANSITIONING)) { - clkctrl = readl(&cmwkup->wkup_uart0ctrl); - idlest = (clkctrl & MODULE_CLKCTRL_IDLEST_MASK) >> - MODULE_CLKCTRL_IDLEST_SHIFT; - } -} - -void enable_basic_clocks(void) -{ - u32 *const clk_domains[] = { - &cmper->l3clkstctrl, - &cmper->l3sclkstctrl, - &cmper->l4lsclkstctrl, - &cmwkup->wkclkstctrl, - &cmper->emifclkstctrl, - 0 - }; - - u32 *const clk_modules_explicit_en[] = { - &cmper->l3clkctrl, - &cmper->l4lsclkctrl, - &cmper->l4fwclkctrl, - &cmwkup->wkl4wkclkctrl, - &cmper->l3instrclkctrl, - &cmper->l4hsclkctrl, - &cmwkup->wkgpio0clkctrl, - &cmwkup->wkctrlclkctrl, - &cmper->timer2clkctrl, - &cmper->gpmcclkctrl, - &cmper->elmclkctrl, - &cmper->mmc0clkctrl, - &cmper->mmc1clkctrl, - &cmwkup->wkup_i2c0ctrl, - &cmper->gpio1clkctrl, - &cmper->gpio2clkctrl, - &cmper->gpio3clkctrl, - &cmper->gpio4clkctrl, - &cmper->gpio5clkctrl, - &cmper->i2c1clkctrl, - &cmper->cpgmac0clkctrl, - &cmper->emiffwclkctrl, - &cmper->emifclkctrl, - &cmper->otfaemifclkctrl, - &cmper->qspiclkctrl, - &cmper->spi0clkctrl, - 0 - }; - - do_enable_clocks(clk_domains, clk_modules_explicit_en, 1); - - /* Select the Master osc clk as Timer2 clock source */ - writel(0x1, &cmdpll->clktimer2clk); - - /* For OPP100 the mac clock should be /5. */ - writel(0x4, &cmdpll->clkselmacclk); -} - -#ifdef CONFIG_TI_EDMA3 -void enable_edma3_clocks(void) -{ - u32 *const clk_domains_edma3[] = { - 0 - }; - - u32 *const clk_modules_explicit_en_edma3[] = { - &cmper->tpccclkctrl, - &cmper->tptc0clkctrl, - 0 - }; - - do_enable_clocks(clk_domains_edma3, - clk_modules_explicit_en_edma3, - 1); -} - -void disable_edma3_clocks(void) -{ - u32 *const clk_domains_edma3[] = { - 0 - }; - - u32 *const clk_modules_disable_edma3[] = { - &cmper->tpccclkctrl, - &cmper->tptc0clkctrl, - 0 - }; - - do_disable_clocks(clk_domains_edma3, - clk_modules_disable_edma3, - 1); -} -#endif - -#if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP) -void enable_usb_clocks(int index) -{ - u32 *usbclkctrl = 0; - u32 *usbphyocp2scpclkctrl = 0; - - if (index == 0) { - usbclkctrl = &cmper->usb0clkctrl; - usbphyocp2scpclkctrl = &cmper->usbphyocp2scp0clkctrl; - setbits_le32(&cmper->usb0clkctrl, - USBOTGSSX_CLKCTRL_OPTFCLKEN_REFCLK960); - setbits_le32(&cmwkup->usbphy0clkctrl, - USBPHY0_CLKCTRL_OPTFCLKEN_CLK32K); - } else if (index == 1) { - usbclkctrl = &cmper->usb1clkctrl; - usbphyocp2scpclkctrl = &cmper->usbphyocp2scp1clkctrl; - setbits_le32(&cmper->usb1clkctrl, - USBOTGSSX_CLKCTRL_OPTFCLKEN_REFCLK960); - setbits_le32(&cmwkup->usbphy1clkctrl, - USBPHY0_CLKCTRL_OPTFCLKEN_CLK32K); - } - - u32 *const clk_domains_usb[] = { - 0 - }; - - u32 *const clk_modules_explicit_en_usb[] = { - usbclkctrl, - usbphyocp2scpclkctrl, - 0 - }; - - do_enable_clocks(clk_domains_usb, clk_modules_explicit_en_usb, 1); -} - -void disable_usb_clocks(int index) -{ - u32 *usbclkctrl = 0; - u32 *usbphyocp2scpclkctrl = 0; - - if (index == 0) { - usbclkctrl = &cmper->usb0clkctrl; - usbphyocp2scpclkctrl = &cmper->usbphyocp2scp0clkctrl; - clrbits_le32(&cmper->usb0clkctrl, - USBOTGSSX_CLKCTRL_OPTFCLKEN_REFCLK960); - clrbits_le32(&cmwkup->usbphy0clkctrl, - USBPHY0_CLKCTRL_OPTFCLKEN_CLK32K); - } else if (index == 1) { - usbclkctrl = &cmper->usb1clkctrl; - usbphyocp2scpclkctrl = &cmper->usbphyocp2scp1clkctrl; - clrbits_le32(&cmper->usb1clkctrl, - USBOTGSSX_CLKCTRL_OPTFCLKEN_REFCLK960); - clrbits_le32(&cmwkup->usbphy1clkctrl, - USBPHY0_CLKCTRL_OPTFCLKEN_CLK32K); - } - - u32 *const clk_domains_usb[] = { - 0 - }; - - u32 *const clk_modules_disable_usb[] = { - usbclkctrl, - usbphyocp2scpclkctrl, - 0 - }; - - do_disable_clocks(clk_domains_usb, clk_modules_disable_usb, 1); -} -#endif diff --git a/arch/arm/cpu/armv7/am33xx/clock_ti814x.c b/arch/arm/cpu/armv7/am33xx/clock_ti814x.c deleted file mode 100644 index 9b5a47b018..0000000000 --- a/arch/arm/cpu/armv7/am33xx/clock_ti814x.c +++ /dev/null @@ -1,404 +0,0 @@ -/* - * clock_ti814x.c - * - * Clocks for TI814X based boards - * - * Copyright (C) 2013, Texas Instruments, Incorporated - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/arch/cpu.h> -#include <asm/arch/clock.h> -#include <asm/arch/hardware.h> -#include <asm/io.h> - -/* PRCM */ -#define PRCM_MOD_EN 0x2 - -/* CLK_SRC */ -#define OSC_SRC0 0 -#define OSC_SRC1 1 - -#define L3_OSC_SRC OSC_SRC0 - -#define OSC_0_FREQ 20 - -#define DCO_HS2_MIN 500 -#define DCO_HS2_MAX 1000 -#define DCO_HS1_MIN 1000 -#define DCO_HS1_MAX 2000 - -#define SELFREQDCO_HS2 0x00000801 -#define SELFREQDCO_HS1 0x00001001 - -#define MPU_N 0x1 -#define MPU_M 0x3C -#define MPU_M2 1 -#define MPU_CLKCTRL 0x1 - -#define L3_N 19 -#define L3_M 880 -#define L3_M2 4 -#define L3_CLKCTRL 0x801 - -#define DDR_N 19 -#define DDR_M 666 -#define DDR_M2 2 -#define DDR_CLKCTRL 0x801 - -/* ADPLLJ register values */ -#define ADPLLJ_CLKCTRL_HS2 0x00000801 /* HS2 mode, TINT2 = 1 */ -#define ADPLLJ_CLKCTRL_HS1 0x00001001 /* HS1 mode, TINT2 = 1 */ -#define ADPLLJ_CLKCTRL_CLKDCOLDOEN (1 << 29) -#define ADPLLJ_CLKCTRL_IDLE (1 << 23) -#define ADPLLJ_CLKCTRL_CLKOUTEN (1 << 20) -#define ADPLLJ_CLKCTRL_CLKOUTLDOEN (1 << 19) -#define ADPLLJ_CLKCTRL_CLKDCOLDOPWDNZ (1 << 17) -#define ADPLLJ_CLKCTRL_LPMODE (1 << 12) -#define ADPLLJ_CLKCTRL_DRIFTGUARDIAN (1 << 11) -#define ADPLLJ_CLKCTRL_REGM4XEN (1 << 10) -#define ADPLLJ_CLKCTRL_TINITZ (1 << 0) -#define ADPLLJ_CLKCTRL_CLKDCO (ADPLLJ_CLKCTRL_CLKDCOLDOEN | \ - ADPLLJ_CLKCTRL_CLKOUTEN | \ - ADPLLJ_CLKCTRL_CLKOUTLDOEN | \ - ADPLLJ_CLKCTRL_CLKDCOLDOPWDNZ) - -#define ADPLLJ_STATUS_PHASELOCK (1 << 10) -#define ADPLLJ_STATUS_FREQLOCK (1 << 9) -#define ADPLLJ_STATUS_PHSFRQLOCK (ADPLLJ_STATUS_PHASELOCK | \ - ADPLLJ_STATUS_FREQLOCK) -#define ADPLLJ_STATUS_BYPASSACK (1 << 8) -#define ADPLLJ_STATUS_BYPASS (1 << 0) -#define ADPLLJ_STATUS_BYPASSANDACK (ADPLLJ_STATUS_BYPASSACK | \ - ADPLLJ_STATUS_BYPASS) - -#define ADPLLJ_TENABLE_ENB (1 << 0) -#define ADPLLJ_TENABLEDIV_ENB (1 << 0) - -#define ADPLLJ_M2NDIV_M2SHIFT 16 - -#define MPU_PLL_BASE (PLL_SUBSYS_BASE + 0x048) -#define L3_PLL_BASE (PLL_SUBSYS_BASE + 0x110) -#define DDR_PLL_BASE (PLL_SUBSYS_BASE + 0x290) - -struct ad_pll { - unsigned int pwrctrl; - unsigned int clkctrl; - unsigned int tenable; - unsigned int tenablediv; - unsigned int m2ndiv; - unsigned int mn2div; - unsigned int fracdiv; - unsigned int bwctrl; - unsigned int fracctrl; - unsigned int status; - unsigned int m3div; - unsigned int rampctrl; -}; - -#define OSC_SRC_CTRL (PLL_SUBSYS_BASE + 0x2C0) - -#define ENET_CLKCTRL_CMPL 0x30000 - -#define SATA_PLL_BASE (CTRL_BASE + 0x0720) - -struct sata_pll { - unsigned int pllcfg0; - unsigned int pllcfg1; - unsigned int pllcfg2; - unsigned int pllcfg3; - unsigned int pllcfg4; - unsigned int pllstatus; - unsigned int rxstatus; - unsigned int txstatus; - unsigned int testcfg; -}; - -#define SEL_IN_FREQ (0x1 << 31) -#define DIGCLRZ (0x1 << 30) -#define ENDIGLDO (0x1 << 4) -#define APLL_CP_CURR (0x1 << 3) -#define ENBGSC_REF (0x1 << 2) -#define ENPLLLDO (0x1 << 1) -#define ENPLL (0x1 << 0) - -#define SATA_PLLCFG0_1 (SEL_IN_FREQ | ENBGSC_REF) -#define SATA_PLLCFG0_2 (SEL_IN_FREQ | ENDIGLDO | ENBGSC_REF) -#define SATA_PLLCFG0_3 (SEL_IN_FREQ | ENDIGLDO | ENBGSC_REF | ENPLLLDO) -#define SATA_PLLCFG0_4 (SEL_IN_FREQ | DIGCLRZ | ENDIGLDO | ENBGSC_REF | \ - ENPLLLDO | ENPLL) - -#define PLL_LOCK (0x1 << 0) - -#define ENSATAMODE (0x1 << 31) -#define PLLREFSEL (0x1 << 30) -#define MDIVINT (0x4b << 18) -#define EN_CLKAUX (0x1 << 5) -#define EN_CLK125M (0x1 << 4) -#define EN_CLK100M (0x1 << 3) -#define EN_CLK50M (0x1 << 2) - -#define SATA_PLLCFG1 (ENSATAMODE | \ - PLLREFSEL | \ - MDIVINT | \ - EN_CLKAUX | \ - EN_CLK125M | \ - EN_CLK100M | \ - EN_CLK50M) - -#define DIGLDO_EN_CAPLESSMODE (0x1 << 22) -#define PLLDO_EN_LDO_STABLE (0x1 << 11) -#define PLLDO_EN_BUF_CUR (0x1 << 7) -#define PLLDO_EN_LP (0x1 << 6) -#define PLLDO_CTRL_TRIM_1_4V (0x10 << 1) - -#define SATA_PLLCFG3 (DIGLDO_EN_CAPLESSMODE | \ - PLLDO_EN_LDO_STABLE | \ - PLLDO_EN_BUF_CUR | \ - PLLDO_EN_LP | \ - PLLDO_CTRL_TRIM_1_4V) - -const struct cm_alwon *cmalwon = (struct cm_alwon *)CM_ALWON_BASE; -const struct cm_def *cmdef = (struct cm_def *)CM_DEFAULT_BASE; -const struct sata_pll *spll = (struct sata_pll *)SATA_PLL_BASE; - -/* - * Enable the peripheral clock for required peripherals - */ -static void enable_per_clocks(void) -{ - /* HSMMC1 */ - writel(PRCM_MOD_EN, &cmalwon->mmchs1clkctrl); - while (readl(&cmalwon->mmchs1clkctrl) != PRCM_MOD_EN) - ; - - /* Ethernet */ - writel(PRCM_MOD_EN, &cmalwon->ethclkstctrl); - writel(PRCM_MOD_EN, &cmalwon->ethernet0clkctrl); - while ((readl(&cmalwon->ethernet0clkctrl) & ENET_CLKCTRL_CMPL) != 0) - ; - writel(PRCM_MOD_EN, &cmalwon->ethernet1clkctrl); - while ((readl(&cmalwon->ethernet1clkctrl) & ENET_CLKCTRL_CMPL) != 0) - ; - - /* RTC clocks */ - writel(PRCM_MOD_EN, &cmalwon->rtcclkstctrl); - writel(PRCM_MOD_EN, &cmalwon->rtcclkctrl); - while (readl(&cmalwon->rtcclkctrl) != PRCM_MOD_EN) - ; -} - -/* - * select the HS1 or HS2 for DCO Freq - * return : CLKCTRL - */ -static u32 pll_dco_freq_sel(u32 clkout_dco) -{ - if (clkout_dco >= DCO_HS2_MIN && clkout_dco < DCO_HS2_MAX) - return SELFREQDCO_HS2; - else if (clkout_dco >= DCO_HS1_MIN && clkout_dco < DCO_HS1_MAX) - return SELFREQDCO_HS1; - else - return -1; -} - -/* - * select the sigma delta config - * return: sigma delta val - */ -static u32 pll_sigma_delta_val(u32 clkout_dco) -{ - u32 sig_val = 0; - - sig_val = (clkout_dco + 225) / 250; - sig_val = sig_val << 24; - - return sig_val; -} - -/* - * configure individual ADPLLJ - */ -static void pll_config(u32 base, u32 n, u32 m, u32 m2, - u32 clkctrl_val, int adpllj) -{ - const struct ad_pll *adpll = (struct ad_pll *)base; - u32 m2nval, mn2val, read_clkctrl = 0, clkout_dco = 0; - u32 sig_val = 0, hs_mod = 0; - - m2nval = (m2 << ADPLLJ_M2NDIV_M2SHIFT) | n; - mn2val = m; - - /* calculate clkout_dco */ - clkout_dco = ((OSC_0_FREQ / (n+1)) * m); - - /* sigma delta & Hs mode selection skip for ADPLLS*/ - if (adpllj) { - sig_val = pll_sigma_delta_val(clkout_dco); - hs_mod = pll_dco_freq_sel(clkout_dco); - } - - /* by-pass pll */ - read_clkctrl = readl(&adpll->clkctrl); - writel((read_clkctrl | ADPLLJ_CLKCTRL_IDLE), &adpll->clkctrl); - while ((readl(&adpll->status) & ADPLLJ_STATUS_BYPASSANDACK) - != ADPLLJ_STATUS_BYPASSANDACK) - ; - - /* clear TINITZ */ - read_clkctrl = readl(&adpll->clkctrl); - writel((read_clkctrl & ~ADPLLJ_CLKCTRL_TINITZ), &adpll->clkctrl); - - /* - * ref_clk = 20/(n + 1); - * clkout_dco = ref_clk * m; - * clk_out = clkout_dco/m2; - */ - read_clkctrl = readl(&adpll->clkctrl) & - ~(ADPLLJ_CLKCTRL_LPMODE | - ADPLLJ_CLKCTRL_DRIFTGUARDIAN | - ADPLLJ_CLKCTRL_REGM4XEN); - writel(m2nval, &adpll->m2ndiv); - writel(mn2val, &adpll->mn2div); - - /* Skip for modena(ADPLLS) */ - if (adpllj) { - writel(sig_val, &adpll->fracdiv); - writel((read_clkctrl | hs_mod), &adpll->clkctrl); - } - - /* Load M2, N2 dividers of ADPLL */ - writel(ADPLLJ_TENABLEDIV_ENB, &adpll->tenablediv); - writel(~ADPLLJ_TENABLEDIV_ENB, &adpll->tenablediv); - - /* Load M, N dividers of ADPLL */ - writel(ADPLLJ_TENABLE_ENB, &adpll->tenable); - writel(~ADPLLJ_TENABLE_ENB, &adpll->tenable); - - /* Configure CLKDCOLDOEN,CLKOUTLDOEN,CLKOUT Enable BITS */ - read_clkctrl = readl(&adpll->clkctrl) & ~ADPLLJ_CLKCTRL_CLKDCO; - if (adpllj) - writel((read_clkctrl | ADPLLJ_CLKCTRL_CLKDCO), - &adpll->clkctrl); - - /* Enable TINTZ and disable IDLE(PLL in Active & Locked Mode */ - read_clkctrl = readl(&adpll->clkctrl) & ~ADPLLJ_CLKCTRL_IDLE; - writel((read_clkctrl | ADPLLJ_CLKCTRL_TINITZ), &adpll->clkctrl); - - /* Wait for phase and freq lock */ - while ((readl(&adpll->status) & ADPLLJ_STATUS_PHSFRQLOCK) != - ADPLLJ_STATUS_PHSFRQLOCK) - ; -} - -static void unlock_pll_control_mmr(void) -{ - /* TRM 2.10.1.4 and 3.2.7-3.2.11 */ - writel(0x1EDA4C3D, 0x481C5040); - writel(0x2FF1AC2B, 0x48140060); - writel(0xF757FDC0, 0x48140064); - writel(0xE2BC3A6D, 0x48140068); - writel(0x1EBF131D, 0x4814006c); - writel(0x6F361E05, 0x48140070); -} - -static void mpu_pll_config(void) -{ - pll_config(MPU_PLL_BASE, MPU_N, MPU_M, MPU_M2, MPU_CLKCTRL, 0); -} - -static void l3_pll_config(void) -{ - u32 l3_osc_src, rd_osc_src = 0; - - l3_osc_src = L3_OSC_SRC; - rd_osc_src = readl(OSC_SRC_CTRL); - - if (OSC_SRC0 == l3_osc_src) - writel((rd_osc_src & 0xfffffffe)|0x0, OSC_SRC_CTRL); - else - writel((rd_osc_src & 0xfffffffe)|0x1, OSC_SRC_CTRL); - - pll_config(L3_PLL_BASE, L3_N, L3_M, L3_M2, L3_CLKCTRL, 1); -} - -void ddr_pll_config(unsigned int ddrpll_m) -{ - pll_config(DDR_PLL_BASE, DDR_N, DDR_M, DDR_M2, DDR_CLKCTRL, 1); -} - -void sata_pll_config(void) -{ - /* - * This sequence for configuring the SATA PLL - * resident in the control module is documented - * in TI8148 TRM section 21.3.1 - */ - writel(SATA_PLLCFG1, &spll->pllcfg1); - udelay(50); - - writel(SATA_PLLCFG3, &spll->pllcfg3); - udelay(50); - - writel(SATA_PLLCFG0_1, &spll->pllcfg0); - udelay(50); - - writel(SATA_PLLCFG0_2, &spll->pllcfg0); - udelay(50); - - writel(SATA_PLLCFG0_3, &spll->pllcfg0); - udelay(50); - - writel(SATA_PLLCFG0_4, &spll->pllcfg0); - udelay(50); - - while (((readl(&spll->pllstatus) & PLL_LOCK) == 0)) - ; -} - -void enable_dmm_clocks(void) -{ - writel(PRCM_MOD_EN, &cmdef->fwclkctrl); - writel(PRCM_MOD_EN, &cmdef->l3fastclkstctrl); - writel(PRCM_MOD_EN, &cmdef->emif0clkctrl); - while ((readl(&cmdef->emif0clkctrl)) != PRCM_MOD_EN) - ; - writel(PRCM_MOD_EN, &cmdef->emif1clkctrl); - while ((readl(&cmdef->emif1clkctrl)) != PRCM_MOD_EN) - ; - while ((readl(&cmdef->l3fastclkstctrl) & 0x300) != 0x300) - ; - writel(PRCM_MOD_EN, &cmdef->dmmclkctrl); - while ((readl(&cmdef->dmmclkctrl)) != PRCM_MOD_EN) - ; - writel(PRCM_MOD_EN, &cmalwon->l3slowclkstctrl); - while ((readl(&cmalwon->l3slowclkstctrl) & 0x2100) != 0x2100) - ; -} - -void setup_clocks_for_console(void) -{ - unlock_pll_control_mmr(); - /* UART0 */ - writel(PRCM_MOD_EN, &cmalwon->uart0clkctrl); - while (readl(&cmalwon->uart0clkctrl) != PRCM_MOD_EN) - ; -} -/* - * Configure the PLL/PRCM for necessary peripherals - */ -void prcm_init(void) -{ - /* Enable the control module */ - writel(PRCM_MOD_EN, &cmalwon->controlclkctrl); - - /* Configure PLLs */ - mpu_pll_config(); - l3_pll_config(); - sata_pll_config(); - - /* Enable the required peripherals */ - enable_per_clocks(); -} diff --git a/arch/arm/cpu/armv7/am33xx/clock_ti816x.c b/arch/arm/cpu/armv7/am33xx/clock_ti816x.c deleted file mode 100644 index ace4a5afef..0000000000 --- a/arch/arm/cpu/armv7/am33xx/clock_ti816x.c +++ /dev/null @@ -1,445 +0,0 @@ -/* - * clock_ti816x.c - * - * Clocks for TI816X based boards - * - * Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com> - * Antoine Tenart, <atenart@adeneo-embedded.com> - * - * Based on TI-PSP-04.00.02.14 : - * - * Copyright (C) 2009, Texas Instruments, Incorporated - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <common.h> -#include <asm/arch/ddr_defs.h> -#include <asm/arch/cpu.h> -#include <asm/arch/clock.h> -#include <asm/arch/hardware.h> -#include <asm/io.h> - -#include <asm/emif.h> - -#define CM_PLL_BASE (CTRL_BASE + 0x0400) - -/* Main PLL */ -#define MAIN_N 64 -#define MAIN_P 0x1 -#define MAIN_INTFREQ1 0x8 -#define MAIN_FRACFREQ1 0x800000 -#define MAIN_MDIV1 0x2 -#define MAIN_INTFREQ2 0xE -#define MAIN_FRACFREQ2 0x0 -#define MAIN_MDIV2 0x1 -#define MAIN_INTFREQ3 0x8 -#define MAIN_FRACFREQ3 0xAAAAB0 -#define MAIN_MDIV3 0x3 -#define MAIN_INTFREQ4 0x9 -#define MAIN_FRACFREQ4 0x55554F -#define MAIN_MDIV4 0x3 -#define MAIN_INTFREQ5 0x9 -#define MAIN_FRACFREQ5 0x374BC6 -#define MAIN_MDIV5 0xC -#define MAIN_MDIV6 0x48 -#define MAIN_MDIV7 0x4 - -/* DDR PLL */ -#if defined(CONFIG_TI816X_DDR_PLL_400) /* 400 MHz */ -#define DDR_N 59 -#define DDR_P 0x1 -#define DDR_MDIV1 0x4 -#define DDR_INTFREQ2 0x8 -#define DDR_FRACFREQ2 0xD99999 -#define DDR_MDIV2 0x1E -#define DDR_INTFREQ3 0x8 -#define DDR_FRACFREQ3 0x0 -#define DDR_MDIV3 0x4 -#define DDR_INTFREQ4 0xE /* Expansion DDR clk */ -#define DDR_FRACFREQ4 0x0 -#define DDR_MDIV4 0x4 -#define DDR_INTFREQ5 0xE /* Expansion DDR clk */ -#define DDR_FRACFREQ5 0x0 -#define DDR_MDIV5 0x4 -#elif defined(CONFIG_TI816X_DDR_PLL_531) /* 531 MHz */ -#define DDR_N 59 -#define DDR_P 0x1 -#define DDR_MDIV1 0x3 -#define DDR_INTFREQ2 0x8 -#define DDR_FRACFREQ2 0xD99999 -#define DDR_MDIV2 0x1E -#define DDR_INTFREQ3 0x8 -#define DDR_FRACFREQ3 0x0 -#define DDR_MDIV3 0x4 -#define DDR_INTFREQ4 0xE /* Expansion DDR clk */ -#define DDR_FRACFREQ4 0x0 -#define DDR_MDIV4 0x4 -#define DDR_INTFREQ5 0xE /* Expansion DDR clk */ -#define DDR_FRACFREQ5 0x0 -#define DDR_MDIV5 0x4 -#elif defined(CONFIG_TI816X_DDR_PLL_675) /* 675 MHz */ -#define DDR_N 50 -#define DDR_P 0x1 -#define DDR_MDIV1 0x2 -#define DDR_INTFREQ2 0x9 -#define DDR_FRACFREQ2 0x0 -#define DDR_MDIV2 0x19 -#define DDR_INTFREQ3 0x13 -#define DDR_FRACFREQ3 0x800000 -#define DDR_MDIV3 0x2 -#define DDR_INTFREQ4 0xE /* Expansion DDR clk */ -#define DDR_FRACFREQ4 0x0 -#define DDR_MDIV4 0x4 -#define DDR_INTFREQ5 0xE /* Expansion DDR clk */ -#define DDR_FRACFREQ5 0x0 -#define DDR_MDIV5 0x4 -#elif defined(CONFIG_TI816X_DDR_PLL_796) /* 796 MHz */ -#define DDR_N 59 -#define DDR_P 0x1 -#define DDR_MDIV1 0x2 -#define DDR_INTFREQ2 0x8 -#define DDR_FRACFREQ2 0xD99999 -#define DDR_MDIV2 0x1E -#define DDR_INTFREQ3 0x8 -#define DDR_FRACFREQ3 0x0 -#define DDR_MDIV3 0x4 -#define DDR_INTFREQ4 0xE /* Expansion DDR clk */ -#define DDR_FRACFREQ4 0x0 -#define DDR_MDIV4 0x4 -#define DDR_INTFREQ5 0xE /* Expansion DDR clk */ -#define DDR_FRACFREQ5 0x0 -#define DDR_MDIV5 0x4 -#endif - -#define CONTROL_STATUS (CTRL_BASE + 0x40) -#define DDR_RCD (CTRL_BASE + 0x070C) -#define CM_TIMER1_CLKSEL (PRCM_BASE + 0x390) -#define DMM_PAT_BASE_ADDR (DMM_BASE + 0x420) -#define CM_ALWON_CUST_EFUSE_CLKCTRL (PRCM_BASE + 0x1628) - -#define INTCPS_SYSCONFIG 0x48200010 -#define CM_SYSCLK10_CLKSEL 0x48180324 - -struct cm_pll { - unsigned int mainpll_ctrl; /* offset 0x400 */ - unsigned int mainpll_pwd; - unsigned int mainpll_freq1; - unsigned int mainpll_div1; - unsigned int mainpll_freq2; - unsigned int mainpll_div2; - unsigned int mainpll_freq3; - unsigned int mainpll_div3; - unsigned int mainpll_freq4; - unsigned int mainpll_div4; - unsigned int mainpll_freq5; - unsigned int mainpll_div5; - unsigned int resv0[1]; - unsigned int mainpll_div6; - unsigned int resv1[1]; - unsigned int mainpll_div7; - unsigned int ddrpll_ctrl; /* offset 0x440 */ - unsigned int ddrpll_pwd; - unsigned int resv2[1]; - unsigned int ddrpll_div1; - unsigned int ddrpll_freq2; - unsigned int ddrpll_div2; - unsigned int ddrpll_freq3; - unsigned int ddrpll_div3; - unsigned int ddrpll_freq4; - unsigned int ddrpll_div4; - unsigned int ddrpll_freq5; - unsigned int ddrpll_div5; - unsigned int videopll_ctrl; /* offset 0x470 */ - unsigned int videopll_pwd; - unsigned int videopll_freq1; - unsigned int videopll_div1; - unsigned int videopll_freq2; - unsigned int videopll_div2; - unsigned int videopll_freq3; - unsigned int videopll_div3; - unsigned int resv3[4]; - unsigned int audiopll_ctrl; /* offset 0x4A0 */ - unsigned int audiopll_pwd; - unsigned int resv4[2]; - unsigned int audiopll_freq2; - unsigned int audiopll_div2; - unsigned int audiopll_freq3; - unsigned int audiopll_div3; - unsigned int audiopll_freq4; - unsigned int audiopll_div4; - unsigned int audiopll_freq5; - unsigned int audiopll_div5; -}; - -const struct cm_alwon *cmalwon = (struct cm_alwon *)CM_ALWON_BASE; -const struct cm_def *cmdef = (struct cm_def *)CM_DEFAULT_BASE; -const struct cm_pll *cmpll = (struct cm_pll *)CM_PLL_BASE; -const struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE; - -void enable_dmm_clocks(void) -{ - writel(PRCM_MOD_EN, &cmdef->l3fastclkstctrl); - writel(PRCM_MOD_EN, &cmdef->emif0clkctrl); - writel(PRCM_MOD_EN, &cmdef->emif1clkctrl); - - /* Wait for clocks to be active */ - while ((readl(&cmdef->l3fastclkstctrl) & 0x300) != 0x300) - ; - /* Wait for emif0 to be fully functional, including OCP */ - while (((readl(&cmdef->emif0clkctrl) >> 17) & 0x3) != 0) - ; - /* Wait for emif1 to be fully functional, including OCP */ - while (((readl(&cmdef->emif1clkctrl) >> 17) & 0x3) != 0) - ; - - writel(PRCM_MOD_EN, &cmdef->dmmclkctrl); - /* Wait for dmm to be fully functional, including OCP */ - while (((readl(&cmdef->dmmclkctrl) >> 17) & 0x3) != 0) - ; - - /* Enable Tiled Access */ - writel(0x80000000, DMM_PAT_BASE_ADDR); -} - -/* assume delay is aprox at least 1us */ -static void ddr_delay(int d) -{ - int i; - - /* - * read a control register. - * this is a bit more delay and cannot be optimized by the compiler - * assuming one read takes 200 cycles and A8 is runing 1 GHz - * somewhat conservative setting - */ - for (i = 0; i < 50*d; i++) - readl(CONTROL_STATUS); -} - -static void main_pll_init_ti816x(void) -{ - u32 main_pll_ctrl = 0; - - /* Put the PLL in bypass mode by setting BIT2 in its ctrl reg */ - main_pll_ctrl = readl(&cmpll->mainpll_ctrl); - main_pll_ctrl &= 0xFFFFFFFB; - main_pll_ctrl |= BIT(2); - writel(main_pll_ctrl, &cmpll->mainpll_ctrl); - - /* Enable PLL by setting BIT3 in its ctrl reg */ - main_pll_ctrl = readl(&cmpll->mainpll_ctrl); - main_pll_ctrl &= 0xFFFFFFF7; - main_pll_ctrl |= BIT(3); - writel(main_pll_ctrl, &cmpll->mainpll_ctrl); - - /* Write the values of N,P in the CTRL reg */ - main_pll_ctrl = readl(&cmpll->mainpll_ctrl); - main_pll_ctrl &= 0xFF; - main_pll_ctrl |= (MAIN_N<<16 | MAIN_P<<8); - writel(main_pll_ctrl, &cmpll->mainpll_ctrl); - - /* Power up clock1-7 */ - writel(0x0, &cmpll->mainpll_pwd); - - /* Program the freq and divider values for clock1-7 */ - writel((1<<31 | 1<<28 | (MAIN_INTFREQ1<<24) | MAIN_FRACFREQ1), - &cmpll->mainpll_freq1); - writel(((1<<8) | MAIN_MDIV1), &cmpll->mainpll_div1); - - writel((1<<31 | 1<<28 | (MAIN_INTFREQ2<<24) | MAIN_FRACFREQ2), - &cmpll->mainpll_freq2); - writel(((1<<8) | MAIN_MDIV2), &cmpll->mainpll_div2); - - writel((1<<31 | 1<<28 | (MAIN_INTFREQ3<<24) | MAIN_FRACFREQ3), - &cmpll->mainpll_freq3); - writel(((1<<8) | MAIN_MDIV3), &cmpll->mainpll_div3); - - writel((1<<31 | 1<<28 | (MAIN_INTFREQ4<<24) | MAIN_FRACFREQ4), - &cmpll->mainpll_freq4); - writel(((1<<8) | MAIN_MDIV4), &cmpll->mainpll_div4); - - writel((1<<31 | 1<<28 | (MAIN_INTFREQ5<<24) | MAIN_FRACFREQ5), - &cmpll->mainpll_freq5); - writel(((1<<8) | MAIN_MDIV5), &cmpll->mainpll_div5); - - writel((1<<8 | MAIN_MDIV6), &cmpll->mainpll_div6); - - writel((1<<8 | MAIN_MDIV7), &cmpll->mainpll_div7); - - /* Wait for PLL to lock */ - while ((readl(&cmpll->mainpll_ctrl) & BIT(7)) != BIT(7)) - ; - - /* Put the PLL in normal mode, disable bypass */ - main_pll_ctrl = readl(&cmpll->mainpll_ctrl); - main_pll_ctrl &= 0xFFFFFFFB; - writel(main_pll_ctrl, &cmpll->mainpll_ctrl); -} - -static void ddr_pll_bypass_ti816x(void) -{ - u32 ddr_pll_ctrl = 0; - - /* Put the PLL in bypass mode by setting BIT2 in its ctrl reg */ - ddr_pll_ctrl = readl(&cmpll->ddrpll_ctrl); - ddr_pll_ctrl &= 0xFFFFFFFB; - ddr_pll_ctrl |= BIT(2); - writel(ddr_pll_ctrl, &cmpll->ddrpll_ctrl); -} - -static void ddr_pll_init_ti816x(void) -{ - u32 ddr_pll_ctrl = 0; - /* Enable PLL by setting BIT3 in its ctrl reg */ - ddr_pll_ctrl = readl(&cmpll->ddrpll_ctrl); - ddr_pll_ctrl &= 0xFFFFFFF7; - ddr_pll_ctrl |= BIT(3); - writel(ddr_pll_ctrl, &cmpll->ddrpll_ctrl); - - /* Write the values of N,P in the CTRL reg */ - ddr_pll_ctrl = readl(&cmpll->ddrpll_ctrl); - ddr_pll_ctrl &= 0xFF; - ddr_pll_ctrl |= (DDR_N<<16 | DDR_P<<8); - writel(ddr_pll_ctrl, &cmpll->ddrpll_ctrl); - - ddr_delay(10); - - /* Power up clock1-5 */ - writel(0x0, &cmpll->ddrpll_pwd); - - /* Program the freq and divider values for clock1-3 */ - writel(((0<<8) | DDR_MDIV1), &cmpll->ddrpll_div1); - ddr_delay(1); - writel(((1<<8) | DDR_MDIV1), &cmpll->ddrpll_div1); - writel((1<<31 | 1<<28 | (DDR_INTFREQ2<<24) | DDR_FRACFREQ2), - &cmpll->ddrpll_freq2); - writel(((1<<8) | DDR_MDIV2), &cmpll->ddrpll_div2); - writel(((0<<8) | DDR_MDIV3), &cmpll->ddrpll_div3); - ddr_delay(1); - writel(((1<<8) | DDR_MDIV3), &cmpll->ddrpll_div3); - ddr_delay(1); - writel((0<<31 | 1<<28 | (DDR_INTFREQ3<<24) | DDR_FRACFREQ3), - &cmpll->ddrpll_freq3); - ddr_delay(1); - writel((1<<31 | 1<<28 | (DDR_INTFREQ3<<24) | DDR_FRACFREQ3), - &cmpll->ddrpll_freq3); - - ddr_delay(5); - - /* Wait for PLL to lock */ - while ((readl(&cmpll->ddrpll_ctrl) & BIT(7)) != BIT(7)) - ; - - /* Power up RCD */ - writel(BIT(0), DDR_RCD); -} - -static void peripheral_enable(void) -{ - /* Wake-up the l3_slow clock */ - writel(PRCM_MOD_EN, &cmalwon->l3slowclkstctrl); - - /* - * Note on Timers: - * There are 8 timers(0-7) out of which timer 0 is a secure timer. - * Timer 0 mux should not be changed - * - * To access the timer registers we need the to be - * enabled which is what we do in the first step - */ - - /* Enable timer1 */ - writel(PRCM_MOD_EN, &cmalwon->timer1clkctrl); - /* Select timer1 clock to be CLKIN (27MHz) */ - writel(BIT(1), CM_TIMER1_CLKSEL); - - /* Wait for timer1 to be ON-ACTIVE */ - while (((readl(&cmalwon->l3slowclkstctrl) - & (0x80000<<1))>>20) != 1) - ; - /* Wait for timer1 to be enabled */ - while (((readl(&cmalwon->timer1clkctrl) & 0x30000)>>16) != 0) - ; - /* Active posted mode */ - writel(PRCM_MOD_EN, (DM_TIMER1_BASE + 0x54)); - while (readl(DM_TIMER1_BASE + 0x10) & BIT(0)) - ; - /* Start timer1 */ - writel(BIT(0), (DM_TIMER1_BASE + 0x38)); - - /* eFuse */ - writel(PRCM_MOD_EN, CM_ALWON_CUST_EFUSE_CLKCTRL); - while (readl(CM_ALWON_CUST_EFUSE_CLKCTRL) != PRCM_MOD_EN) - ; - - /* Enable gpio0 */ - writel(PRCM_MOD_EN, &cmalwon->gpio0clkctrl); - while (readl(&cmalwon->gpio0clkctrl) != PRCM_MOD_EN) - ; - writel((BIT(8)), &cmalwon->gpio0clkctrl); - - /* Enable spi */ - writel(PRCM_MOD_EN, &cmalwon->spiclkctrl); - while (readl(&cmalwon->spiclkctrl) != PRCM_MOD_EN) - ; - - /* Enable i2c0 */ - writel(PRCM_MOD_EN, &cmalwon->i2c0clkctrl); - while (readl(&cmalwon->i2c0clkctrl) != PRCM_MOD_EN) - ; - - /* Enable ethernet0 */ - writel(PRCM_MOD_EN, &cmalwon->ethclkstctrl); - writel(PRCM_MOD_EN, &cmalwon->ethernet0clkctrl); - writel(PRCM_MOD_EN, &cmalwon->ethernet1clkctrl); - - /* Enable hsmmc */ - writel(PRCM_MOD_EN, &cmalwon->sdioclkctrl); - while (readl(&cmalwon->sdioclkctrl) != PRCM_MOD_EN) - ; -} - -void setup_clocks_for_console(void) -{ - /* Fix ROM code bug - from TI-PSP-04.00.02.14 */ - writel(0x0, CM_SYSCLK10_CLKSEL); - - ddr_pll_bypass_ti816x(); - - /* Enable uart0-2 */ - writel(PRCM_MOD_EN, &cmalwon->uart0clkctrl); - while (readl(&cmalwon->uart0clkctrl) != PRCM_MOD_EN) - ; - writel(PRCM_MOD_EN, &cmalwon->uart1clkctrl); - while (readl(&cmalwon->uart1clkctrl) != PRCM_MOD_EN) - ; - writel(PRCM_MOD_EN, &cmalwon->uart2clkctrl); - while (readl(&cmalwon->uart2clkctrl) != PRCM_MOD_EN) - ; - while ((readl(&cmalwon->l3slowclkstctrl) & 0x2100) != 0x2100) - ; -} - -void prcm_init(void) -{ - /* Enable the control */ - writel(PRCM_MOD_EN, &cmalwon->controlclkctrl); - - main_pll_init_ti816x(); - ddr_pll_init_ti816x(); - - /* - * With clk freqs setup to desired values, - * enable the required peripherals - */ - peripheral_enable(); -} diff --git a/arch/arm/cpu/armv7/am33xx/config.mk b/arch/arm/cpu/armv7/am33xx/config.mk deleted file mode 100644 index 87b76d96a8..0000000000 --- a/arch/arm/cpu/armv7/am33xx/config.mk +++ /dev/null @@ -1,48 +0,0 @@ -# -# Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ -# -# SPDX-License-Identifier: GPL-2.0+ -# - -include $(srctree)/$(CPUDIR)/omap-common/config_secure.mk - -ifdef CONFIG_SPL_BUILD -ifeq ($(CONFIG_TI_SECURE_DEVICE),y) -# -# For booting from SPI use -# u-boot-spl_HS_SPI_X-LOADER to program flash -# -# On AM43XX: -# -# For booting spl from all other media use -# u-boot-spl_HS_ISSW -# -# On AM33XX: -# -# For booting spl from NAND flash use -# u-boot-spl_HS_X-LOADER -# -# For booting spl from SD/MMC/eMMC media use -# u-boot-spl_HS_MLO -# -# For booting spl over UART, USB, or Ethernet use -# u-boot-spl_HS_2ND -# -# Refer to README.ti-secure for more info -# -ALL-y += u-boot-spl_HS_ISSW -ALL-y += u-boot-spl_HS_SPI_X-LOADER -ALL-y += u-boot-spl_HS_X-LOADER -ALL-y += u-boot-spl_HS_MLO -ALL-y += u-boot-spl_HS_2ND -else -ALL-y += MLO -ALL-y += MLO.byteswap -endif -else -ifeq ($(CONFIG_TI_SECURE_DEVICE),y) -ALL-$(CONFIG_QSPI_BOOT) += u-boot_HS_XIP_X-LOADER -ALL-$(CONFIG_SPL_LOAD_FIT) += u-boot_HS.img -endif -ALL-y += u-boot.img -endif diff --git a/arch/arm/cpu/armv7/am33xx/ddr.c b/arch/arm/cpu/armv7/am33xx/ddr.c deleted file mode 100644 index 6acf30c5db..0000000000 --- a/arch/arm/cpu/armv7/am33xx/ddr.c +++ /dev/null @@ -1,377 +0,0 @@ -/* - * DDR Configuration for AM33xx devices. - * - * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <asm/arch/cpu.h> -#include <asm/arch/ddr_defs.h> -#include <asm/arch/sys_proto.h> -#include <asm/io.h> -#include <asm/emif.h> - -/** - * Base address for EMIF instances - */ -static struct emif_reg_struct *emif_reg[2] = { - (struct emif_reg_struct *)EMIF4_0_CFG_BASE, - (struct emif_reg_struct *)EMIF4_1_CFG_BASE}; - -/** - * Base addresses for DDR PHY cmd/data regs - */ -static struct ddr_cmd_regs *ddr_cmd_reg[2] = { - (struct ddr_cmd_regs *)DDR_PHY_CMD_ADDR, - (struct ddr_cmd_regs *)DDR_PHY_CMD_ADDR2}; - -static struct ddr_data_regs *ddr_data_reg[2] = { - (struct ddr_data_regs *)DDR_PHY_DATA_ADDR, - (struct ddr_data_regs *)DDR_PHY_DATA_ADDR2}; - -/** - * Base address for ddr io control instances - */ -static struct ddr_cmdtctrl *ioctrl_reg = { - (struct ddr_cmdtctrl *)DDR_CONTROL_BASE_ADDR}; - -static inline u32 get_mr(int nr, u32 cs, u32 mr_addr) -{ - u32 mr; - - mr_addr |= cs << EMIF_REG_CS_SHIFT; - writel(mr_addr, &emif_reg[nr]->emif_lpddr2_mode_reg_cfg); - - mr = readl(&emif_reg[nr]->emif_lpddr2_mode_reg_data); - debug("get_mr: EMIF1 cs %d mr %08x val 0x%x\n", cs, mr_addr, mr); - if (((mr & 0x0000ff00) >> 8) == (mr & 0xff) && - ((mr & 0x00ff0000) >> 16) == (mr & 0xff) && - ((mr & 0xff000000) >> 24) == (mr & 0xff)) - return mr & 0xff; - else - return mr; -} - -static inline void set_mr(int nr, u32 cs, u32 mr_addr, u32 mr_val) -{ - mr_addr |= cs << EMIF_REG_CS_SHIFT; - writel(mr_addr, &emif_reg[nr]->emif_lpddr2_mode_reg_cfg); - writel(mr_val, &emif_reg[nr]->emif_lpddr2_mode_reg_data); -} - -static void configure_mr(int nr, u32 cs) -{ - u32 mr_addr; - - while (get_mr(nr, cs, LPDDR2_MR0) & LPDDR2_MR0_DAI_MASK) - ; - set_mr(nr, cs, LPDDR2_MR10, 0x56); - - set_mr(nr, cs, LPDDR2_MR1, 0x43); - set_mr(nr, cs, LPDDR2_MR2, 0x2); - - mr_addr = LPDDR2_MR2 | EMIF_REG_REFRESH_EN_MASK; - set_mr(nr, cs, mr_addr, 0x2); -} - -/* - * Configure EMIF4D5 registers and MR registers For details about these magic - * values please see the EMIF registers section of the TRM. - */ -void config_sdram_emif4d5(const struct emif_regs *regs, int nr) -{ - writel(0xA0, &emif_reg[nr]->emif_pwr_mgmt_ctrl); - writel(0xA0, &emif_reg[nr]->emif_pwr_mgmt_ctrl_shdw); - writel(regs->zq_config, &emif_reg[nr]->emif_zq_config); - - writel(regs->temp_alert_config, &emif_reg[nr]->emif_temp_alert_config); - writel(regs->emif_rd_wr_lvl_rmp_win, - &emif_reg[nr]->emif_rd_wr_lvl_rmp_win); - writel(regs->emif_rd_wr_lvl_rmp_ctl, - &emif_reg[nr]->emif_rd_wr_lvl_rmp_ctl); - writel(regs->emif_rd_wr_lvl_ctl, &emif_reg[nr]->emif_rd_wr_lvl_ctl); - writel(regs->emif_rd_wr_exec_thresh, - &emif_reg[nr]->emif_rd_wr_exec_thresh); - - /* - * for most SOCs these registers won't need to be changed so only - * write to these registers if someone explicitly has set the - * register's value. - */ - if(regs->emif_cos_config) { - writel(regs->emif_prio_class_serv_map, &emif_reg[nr]->emif_prio_class_serv_map); - writel(regs->emif_connect_id_serv_1_map, &emif_reg[nr]->emif_connect_id_serv_1_map); - writel(regs->emif_connect_id_serv_2_map, &emif_reg[nr]->emif_connect_id_serv_2_map); - writel(regs->emif_cos_config, &emif_reg[nr]->emif_cos_config); - } - - /* - * Sequence to ensure that the PHY is in a known state prior to - * startting hardware leveling. Also acts as to latch some state from - * the EMIF into the PHY. - */ - writel(0x2011, &emif_reg[nr]->emif_iodft_tlgc); - writel(0x2411, &emif_reg[nr]->emif_iodft_tlgc); - writel(0x2011, &emif_reg[nr]->emif_iodft_tlgc); - - clrbits_le32(&emif_reg[nr]->emif_sdram_ref_ctrl, - EMIF_REG_INITREF_DIS_MASK); - - writel(regs->sdram_config, &emif_reg[nr]->emif_sdram_config); - writel(regs->sdram_config, &cstat->secure_emif_sdram_config); - - /* Wait 1ms because of L3 timeout error */ - udelay(1000); - - writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl); - writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl_shdw); - - /* Perform hardware leveling for DDR3 */ - if (emif_sdram_type(regs->sdram_config) == EMIF_SDRAM_TYPE_DDR3) { - writel(readl(&emif_reg[nr]->emif_ddr_ext_phy_ctrl_36) | - 0x100, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_36); - writel(readl(&emif_reg[nr]->emif_ddr_ext_phy_ctrl_36_shdw) | - 0x100, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_36_shdw); - - writel(0x80000000, &emif_reg[nr]->emif_rd_wr_lvl_rmp_ctl); - - /* Enable read leveling */ - writel(0x80000000, &emif_reg[nr]->emif_rd_wr_lvl_ctl); - - /* - * Enable full read and write leveling. Wait for read and write - * leveling bit to clear RDWRLVLFULL_START bit 31 - */ - while ((readl(&emif_reg[nr]->emif_rd_wr_lvl_ctl) & 0x80000000) - != 0) - ; - - /* Check the timeout register to see if leveling is complete */ - if ((readl(&emif_reg[nr]->emif_status) & 0x70) != 0) - puts("DDR3 H/W leveling incomplete with errors\n"); - - } else { - /* DDR2 */ - configure_mr(nr, 0); - configure_mr(nr, 1); - } -} - -/** - * Configure SDRAM - */ -void config_sdram(const struct emif_regs *regs, int nr) -{ - if (regs->zq_config) { - writel(regs->zq_config, &emif_reg[nr]->emif_zq_config); - writel(regs->sdram_config, &cstat->secure_emif_sdram_config); - writel(regs->sdram_config, &emif_reg[nr]->emif_sdram_config); - - /* Trigger initialization */ - writel(0x00003100, &emif_reg[nr]->emif_sdram_ref_ctrl); - /* Wait 1ms because of L3 timeout error */ - udelay(1000); - - /* Write proper sdram_ref_cref_ctrl value */ - writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl); - writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl_shdw); - } - writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl); - writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl_shdw); - writel(regs->sdram_config, &emif_reg[nr]->emif_sdram_config); -} - -/** - * Set SDRAM timings - */ -void set_sdram_timings(const struct emif_regs *regs, int nr) -{ - writel(regs->sdram_tim1, &emif_reg[nr]->emif_sdram_tim_1); - writel(regs->sdram_tim1, &emif_reg[nr]->emif_sdram_tim_1_shdw); - writel(regs->sdram_tim2, &emif_reg[nr]->emif_sdram_tim_2); - writel(regs->sdram_tim2, &emif_reg[nr]->emif_sdram_tim_2_shdw); - writel(regs->sdram_tim3, &emif_reg[nr]->emif_sdram_tim_3); - writel(regs->sdram_tim3, &emif_reg[nr]->emif_sdram_tim_3_shdw); -} - -/* - * Configure EXT PHY registers for software leveling - */ -static void ext_phy_settings_swlvl(const struct emif_regs *regs, int nr) -{ - u32 *ext_phy_ctrl_base = 0; - u32 *emif_ext_phy_ctrl_base = 0; - __maybe_unused const u32 *ext_phy_ctrl_const_regs; - u32 i = 0; - __maybe_unused u32 size; - - ext_phy_ctrl_base = (u32 *)&(regs->emif_ddr_ext_phy_ctrl_1); - emif_ext_phy_ctrl_base = - (u32 *)&(emif_reg[nr]->emif_ddr_ext_phy_ctrl_1); - - /* Configure external phy control timing registers */ - for (i = 0; i < EMIF_EXT_PHY_CTRL_TIMING_REG; i++) { - writel(*ext_phy_ctrl_base, emif_ext_phy_ctrl_base++); - /* Update shadow registers */ - writel(*ext_phy_ctrl_base++, emif_ext_phy_ctrl_base++); - } - -#ifdef CONFIG_AM43XX - /* - * External phy 6-24 registers do not change with ddr frequency. - * These only need to be set on DDR2 on AM43xx. - */ - emif_get_ext_phy_ctrl_const_regs(&ext_phy_ctrl_const_regs, &size); - - if (!size) - return; - - for (i = 0; i < size; i++) { - writel(ext_phy_ctrl_const_regs[i], emif_ext_phy_ctrl_base++); - /* Update shadow registers */ - writel(ext_phy_ctrl_const_regs[i], emif_ext_phy_ctrl_base++); - } -#endif -} - -/* - * Configure EXT PHY registers for hardware leveling - */ -static void ext_phy_settings_hwlvl(const struct emif_regs *regs, int nr) -{ - /* - * Enable hardware leveling on the EMIF. For details about these - * magic values please see the EMIF registers section of the TRM. - */ - writel(0x08020080, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_1); - writel(0x08020080, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_1_shdw); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_22); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_22_shdw); - writel(0x00600020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_23); - writel(0x00600020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_23_shdw); - writel(0x40010080, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_24); - writel(0x40010080, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_24_shdw); - writel(0x08102040, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_25); - writel(0x08102040, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_25_shdw); - writel(0x00200020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_26); - writel(0x00200020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_26_shdw); - writel(0x00200020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_27); - writel(0x00200020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_27_shdw); - writel(0x00200020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_28); - writel(0x00200020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_28_shdw); - writel(0x00200020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_29); - writel(0x00200020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_29_shdw); - writel(0x00200020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_30); - writel(0x00200020, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_30_shdw); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_31); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_31_shdw); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_32); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_32_shdw); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_33); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_33_shdw); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_34); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_34_shdw); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_35); - writel(0x00000000, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_35_shdw); - writel(0x000000FF, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_36); - writel(0x000000FF, &emif_reg[nr]->emif_ddr_ext_phy_ctrl_36_shdw); - - /* - * Sequence to ensure that the PHY is again in a known state after - * hardware leveling. - */ - writel(0x2011, &emif_reg[nr]->emif_iodft_tlgc); - writel(0x2411, &emif_reg[nr]->emif_iodft_tlgc); - writel(0x2011, &emif_reg[nr]->emif_iodft_tlgc); -} - -/** - * Configure DDR PHY - */ -void config_ddr_phy(const struct emif_regs *regs, int nr) -{ - /* - * Disable initialization and refreshes for now until we finish - * programming EMIF regs and set time between rising edge of - * DDR_RESET to rising edge of DDR_CKE to > 500us per memory spec. - * We currently hardcode a value based on a max expected frequency - * of 400MHz. - */ - writel(EMIF_REG_INITREF_DIS_MASK | 0x3100, - &emif_reg[nr]->emif_sdram_ref_ctrl); - - writel(regs->emif_ddr_phy_ctlr_1, - &emif_reg[nr]->emif_ddr_phy_ctrl_1); - writel(regs->emif_ddr_phy_ctlr_1, - &emif_reg[nr]->emif_ddr_phy_ctrl_1_shdw); - - if (get_emif_rev((u32)emif_reg[nr]) == EMIF_4D5) { - if (emif_sdram_type(regs->sdram_config) == EMIF_SDRAM_TYPE_DDR3) - ext_phy_settings_hwlvl(regs, nr); - else - ext_phy_settings_swlvl(regs, nr); - } -} - -/** - * Configure DDR CMD control registers - */ -void config_cmd_ctrl(const struct cmd_control *cmd, int nr) -{ - if (!cmd) - return; - - writel(cmd->cmd0csratio, &ddr_cmd_reg[nr]->cm0csratio); - writel(cmd->cmd0iclkout, &ddr_cmd_reg[nr]->cm0iclkout); - - writel(cmd->cmd1csratio, &ddr_cmd_reg[nr]->cm1csratio); - writel(cmd->cmd1iclkout, &ddr_cmd_reg[nr]->cm1iclkout); - - writel(cmd->cmd2csratio, &ddr_cmd_reg[nr]->cm2csratio); - writel(cmd->cmd2iclkout, &ddr_cmd_reg[nr]->cm2iclkout); -} - -/** - * Configure DDR DATA registers - */ -void config_ddr_data(const struct ddr_data *data, int nr) -{ - int i; - - if (!data) - return; - - for (i = 0; i < DDR_DATA_REGS_NR; i++) { - writel(data->datardsratio0, - &(ddr_data_reg[nr]+i)->dt0rdsratio0); - writel(data->datawdsratio0, - &(ddr_data_reg[nr]+i)->dt0wdsratio0); - writel(data->datawiratio0, - &(ddr_data_reg[nr]+i)->dt0wiratio0); - writel(data->datagiratio0, - &(ddr_data_reg[nr]+i)->dt0giratio0); - writel(data->datafwsratio0, - &(ddr_data_reg[nr]+i)->dt0fwsratio0); - writel(data->datawrsratio0, - &(ddr_data_reg[nr]+i)->dt0wrsratio0); - } -} - -void config_io_ctrl(const struct ctrl_ioregs *ioregs) -{ - if (!ioregs) - return; - - writel(ioregs->cm0ioctl, &ioctrl_reg->cm0ioctl); - writel(ioregs->cm1ioctl, &ioctrl_reg->cm1ioctl); - writel(ioregs->cm2ioctl, &ioctrl_reg->cm2ioctl); - writel(ioregs->dt0ioctl, &ioctrl_reg->dt0ioctl); - writel(ioregs->dt1ioctl, &ioctrl_reg->dt1ioctl); -#ifdef CONFIG_AM43XX - writel(ioregs->dt2ioctrl, &ioctrl_reg->dt2ioctrl); - writel(ioregs->dt3ioctrl, &ioctrl_reg->dt3ioctrl); - writel(ioregs->emif_sdram_config_ext, - &ioctrl_reg->emif_sdram_config_ext); -#endif -} diff --git a/arch/arm/cpu/armv7/am33xx/emif4.c b/arch/arm/cpu/armv7/am33xx/emif4.c deleted file mode 100644 index 27fa3fb462..0000000000 --- a/arch/arm/cpu/armv7/am33xx/emif4.c +++ /dev/null @@ -1,140 +0,0 @@ -/* - * emif4.c - * - * AM33XX emif4 configuration file - * - * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/arch/cpu.h> -#include <asm/arch/ddr_defs.h> -#include <asm/arch/hardware.h> -#include <asm/arch/clock.h> -#include <asm/arch/sys_proto.h> -#include <asm/io.h> -#include <asm/emif.h> - -DECLARE_GLOBAL_DATA_PTR; - -int dram_init(void) -{ -#ifndef CONFIG_SKIP_LOWLEVEL_INIT - sdram_init(); -#endif - - /* dram_init must store complete ramsize in gd->ram_size */ - gd->ram_size = get_ram_size( - (void *)CONFIG_SYS_SDRAM_BASE, - CONFIG_MAX_RAM_BANK_SIZE); - return 0; -} - -void dram_init_banksize(void) -{ - gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; - gd->bd->bi_dram[0].size = gd->ram_size; -} - - -#ifndef CONFIG_SKIP_LOWLEVEL_INIT -#ifdef CONFIG_TI81XX -static struct dmm_lisa_map_regs *hw_lisa_map_regs = - (struct dmm_lisa_map_regs *)DMM_BASE; -#endif -#ifndef CONFIG_TI816X -static struct vtp_reg *vtpreg[2] = { - (struct vtp_reg *)VTP0_CTRL_ADDR, - (struct vtp_reg *)VTP1_CTRL_ADDR}; -#endif -#ifdef CONFIG_AM33XX -static struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR; -#endif -#ifdef CONFIG_AM43XX -static struct ddr_ctrl *ddrctrl = (struct ddr_ctrl *)DDR_CTRL_ADDR; -static struct cm_device_inst *cm_device = - (struct cm_device_inst *)CM_DEVICE_INST; -#endif - -#ifdef CONFIG_TI81XX -void config_dmm(const struct dmm_lisa_map_regs *regs) -{ - enable_dmm_clocks(); - - writel(0, &hw_lisa_map_regs->dmm_lisa_map_3); - writel(0, &hw_lisa_map_regs->dmm_lisa_map_2); - writel(0, &hw_lisa_map_regs->dmm_lisa_map_1); - writel(0, &hw_lisa_map_regs->dmm_lisa_map_0); - - writel(regs->dmm_lisa_map_3, &hw_lisa_map_regs->dmm_lisa_map_3); - writel(regs->dmm_lisa_map_2, &hw_lisa_map_regs->dmm_lisa_map_2); - writel(regs->dmm_lisa_map_1, &hw_lisa_map_regs->dmm_lisa_map_1); - writel(regs->dmm_lisa_map_0, &hw_lisa_map_regs->dmm_lisa_map_0); -} -#endif - -#ifndef CONFIG_TI816X -static void config_vtp(int nr) -{ - writel(readl(&vtpreg[nr]->vtp0ctrlreg) | VTP_CTRL_ENABLE, - &vtpreg[nr]->vtp0ctrlreg); - writel(readl(&vtpreg[nr]->vtp0ctrlreg) & (~VTP_CTRL_START_EN), - &vtpreg[nr]->vtp0ctrlreg); - writel(readl(&vtpreg[nr]->vtp0ctrlreg) | VTP_CTRL_START_EN, - &vtpreg[nr]->vtp0ctrlreg); - - /* Poll for READY */ - while ((readl(&vtpreg[nr]->vtp0ctrlreg) & VTP_CTRL_READY) != - VTP_CTRL_READY) - ; -} -#endif - -void __weak ddr_pll_config(unsigned int ddrpll_m) -{ -} - -void config_ddr(unsigned int pll, const struct ctrl_ioregs *ioregs, - const struct ddr_data *data, const struct cmd_control *ctrl, - const struct emif_regs *regs, int nr) -{ - ddr_pll_config(pll); -#ifndef CONFIG_TI816X - config_vtp(nr); -#endif - config_cmd_ctrl(ctrl, nr); - - config_ddr_data(data, nr); -#ifdef CONFIG_AM33XX - config_io_ctrl(ioregs); - - /* Set CKE to be controlled by EMIF/DDR PHY */ - writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl); - -#endif -#ifdef CONFIG_AM43XX - writel(readl(&cm_device->cm_dll_ctrl) & ~0x1, &cm_device->cm_dll_ctrl); - while ((readl(&cm_device->cm_dll_ctrl) & CM_DLL_READYST) == 0) - ; - - config_io_ctrl(ioregs); - - /* Set CKE to be controlled by EMIF/DDR PHY */ - writel(DDR_CKE_CTRL_NORMAL, &ddrctrl->ddrckectrl); - - if (emif_sdram_type(regs->sdram_config) == EMIF_SDRAM_TYPE_DDR3) - /* Allow EMIF to control DDR_RESET */ - writel(0x00000000, &ddrctrl->ddrioctrl); -#endif - - /* Program EMIF instance */ - config_ddr_phy(regs, nr); - set_sdram_timings(regs, nr); - if (get_emif_rev(EMIF1_BASE) == EMIF_4D5) - config_sdram_emif4d5(regs, nr); - else - config_sdram(regs, nr); -} -#endif diff --git a/arch/arm/cpu/armv7/am33xx/mux.c b/arch/arm/cpu/armv7/am33xx/mux.c deleted file mode 100644 index 2ded47228d..0000000000 --- a/arch/arm/cpu/armv7/am33xx/mux.c +++ /dev/null @@ -1,33 +0,0 @@ -/* - * mux.c - * - * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <common.h> -#include <asm/arch/mux.h> -#include <asm/arch/hardware.h> -#include <asm/io.h> - -/* - * Configure the pin mux for the module - */ -void configure_module_pin_mux(struct module_pin_mux *mod_pin_mux) -{ - int i; - - if (!mod_pin_mux) - return; - - for (i = 0; mod_pin_mux[i].reg_offset != -1; i++) - MUX_CFG(mod_pin_mux[i].val, mod_pin_mux[i].reg_offset); -} diff --git a/arch/arm/cpu/armv7/am33xx/sys_info.c b/arch/arm/cpu/armv7/am33xx/sys_info.c deleted file mode 100644 index f0f72fa6d4..0000000000 --- a/arch/arm/cpu/armv7/am33xx/sys_info.c +++ /dev/null @@ -1,176 +0,0 @@ -/* - * sys_info.c - * - * System information functions - * - * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/ - * - * Derived from Beagle Board and 3430 SDP code by - * Richard Woodruff <r-woodruff2@ti.com> - * Syed Mohammed Khasim <khasim@ti.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/sys_proto.h> -#include <asm/arch/cpu.h> -#include <asm/arch/clock.h> -#include <power/tps65910.h> -#include <linux/compiler.h> - -struct ctrl_stat *cstat = (struct ctrl_stat *)CTRL_BASE; - -/** - * get_cpu_rev(void) - extract rev info - */ -u32 get_cpu_rev(void) -{ - u32 id; - u32 rev; - - id = readl(DEVICE_ID); - rev = (id >> 28) & 0xff; - - return rev; -} - -/** - * get_cpu_type(void) - extract cpu info - */ -u32 get_cpu_type(void) -{ - u32 id = 0; - u32 partnum; - - id = readl(DEVICE_ID); - partnum = (id >> 12) & 0xffff; - - return partnum; -} - -/** - * get_device_type(): tell if GP/HS/EMU/TST - */ -u32 get_device_type(void) -{ - int mode; - mode = readl(&cstat->statusreg) & (DEVICE_MASK); - return mode >>= 8; -} - -/** - * get_sysboot_value(void) - return SYS_BOOT[4:0] - */ -u32 get_sysboot_value(void) -{ - return readl(&cstat->statusreg) & SYSBOOT_MASK; -} - -#ifdef CONFIG_DISPLAY_CPUINFO -static char *cpu_revs[] = { - "1.0", - "2.0", - "2.1"}; - - -static char *dev_types[] = { - "TST", - "EMU", - "HS", - "GP"}; - -/** - * Print CPU information - */ -int print_cpuinfo(void) -{ - char *cpu_s, *sec_s, *rev_s; - - switch (get_cpu_type()) { - case AM335X: - cpu_s = "AM335X"; - break; - case TI81XX: - cpu_s = "TI81XX"; - break; - case AM437X: - cpu_s = "AM437X"; - break; - default: - cpu_s = "Unknown CPU type"; - break; - } - - if (get_cpu_rev() < ARRAY_SIZE(cpu_revs)) - rev_s = cpu_revs[get_cpu_rev()]; - else - rev_s = "?"; - - if (get_device_type() < ARRAY_SIZE(dev_types)) - sec_s = dev_types[get_device_type()]; - else - sec_s = "?"; - - printf("CPU : %s-%s rev %s\n", cpu_s, sec_s, rev_s); - - return 0; -} -#endif /* CONFIG_DISPLAY_CPUINFO */ - -#ifdef CONFIG_AM33XX -int am335x_get_efuse_mpu_max_freq(struct ctrl_dev *cdev) -{ - int sil_rev; - - sil_rev = readl(&cdev->deviceid) >> 28; - - if (sil_rev == 1) - /* PG 2.0, efuse may not be set. */ - return MPUPLL_M_800; - else if (sil_rev >= 2) { - /* Check what the efuse says our max speed is. */ - int efuse_arm_mpu_max_freq; - efuse_arm_mpu_max_freq = readl(&cdev->efuse_sma); - switch ((efuse_arm_mpu_max_freq & DEVICE_ID_MASK)) { - case AM335X_ZCZ_1000: - return MPUPLL_M_1000; - case AM335X_ZCZ_800: - return MPUPLL_M_800; - case AM335X_ZCZ_720: - return MPUPLL_M_720; - case AM335X_ZCZ_600: - case AM335X_ZCE_600: - return MPUPLL_M_600; - case AM335X_ZCZ_300: - case AM335X_ZCE_300: - return MPUPLL_M_300; - } - } - - /* PG 1.0 or otherwise unknown, use the PG1.0 max */ - return MPUPLL_M_720; -} - -int am335x_get_tps65910_mpu_vdd(int sil_rev, int frequency) -{ - /* For PG2.1 and later, we have one set of values. */ - if (sil_rev >= 2) { - switch (frequency) { - case MPUPLL_M_1000: - return TPS65910_OP_REG_SEL_1_3_2_5; - case MPUPLL_M_800: - return TPS65910_OP_REG_SEL_1_2_6; - case MPUPLL_M_720: - return TPS65910_OP_REG_SEL_1_2_0; - case MPUPLL_M_600: - case MPUPLL_M_300: - return TPS65910_OP_REG_SEL_1_1_3; - } - } - - /* Default to PG1.0/PG2.0 values. */ - return TPS65910_OP_REG_SEL_1_1_3; -} -#endif diff --git a/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds b/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds deleted file mode 100644 index 07cf267878..0000000000 --- a/arch/arm/cpu/armv7/am33xx/u-boot-spl.lds +++ /dev/null @@ -1,56 +0,0 @@ -/* - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> - * - * (C) Copyright 2010 - * Texas Instruments, <www.ti.com> - * Aneesh V <aneesh@ti.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -MEMORY { .sram : ORIGIN = CONFIG_SPL_TEXT_BASE,\ - LENGTH = CONFIG_SPL_MAX_SIZE } -MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR, \ - LENGTH = CONFIG_SPL_BSS_MAX_SIZE } - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - .text : - { - __start = .; - *(.vectors) - arch/arm/cpu/armv7/start.o (.text) - *(.text*) - } >.sram - - . = ALIGN(4); - .rodata : { *(SORT_BY_ALIGNMENT(.rodata*)) } >.sram - - . = ALIGN(4); - .data : { *(SORT_BY_ALIGNMENT(.data*)) } >.sram - - .u_boot_list : { - KEEP(*(SORT(.u_boot_list*))); - } >.sram - - . = ALIGN(4); - __image_copy_end = .; - - .end : - { - *(.__end) - } >.sram - - .bss : - { - . = ALIGN(4); - __bss_start = .; - *(.bss*) - . = ALIGN(4); - __bss_end = .; - } >.sdram -} |