diff options
author | Josh Wu <josh.wu@atmel.com> | 2012-10-22 15:49:04 +0800 |
---|---|---|
committer | Josh Wu <josh.wu@atmel.com> | 2012-10-22 15:49:04 +0800 |
commit | d09dc68d74844b44b89a1311f60055351952fb0e (patch) | |
tree | 6d4bf5d6962bfa3c5d4597d8fbcdb7e2fd840266 /arch | |
parent | 6528ff0109d81c1f21d20f9f1370782bccf87bcb (diff) | |
parent | 3cda03c7fa4413eef2ee250b5936a88c25dbc1be (diff) |
Merge branch 'josh/sama5ek/v2012.10-rc1' into josh/sama5ek/v2012.10
Conflicts:
drivers/mtd/spi/atmel.c
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/cpu/armv7/at91/Makefile | 53 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/at91/at91sama5_devices.c | 278 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/at91/clock.c | 116 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/at91/cpu.c | 99 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/at91/lowlevel_init.S | 274 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/at91/reset.c | 45 | ||||
-rw-r--r-- | arch/arm/cpu/armv7/at91/timer.c | 136 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-at91/at91_pio.h | 25 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-at91/at91_pmc.h | 16 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-at91/at91sama5.h | 219 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-at91/at91sama5_smc.h | 135 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-at91/clk.h | 1 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-at91/hardware.h | 2 | ||||
-rw-r--r-- | arch/arm/include/asm/mach-types.h | 1 |
14 files changed, 1397 insertions, 3 deletions
diff --git a/arch/arm/cpu/armv7/at91/Makefile b/arch/arm/cpu/armv7/at91/Makefile new file mode 100644 index 0000000000..5ad88b395e --- /dev/null +++ b/arch/arm/cpu/armv7/at91/Makefile @@ -0,0 +1,53 @@ +# +# (C) Copyright 2000-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).o + +COBJS-$(CONFIG_AT91SAMA5) += at91sama5_devices.o +COBJS-y += clock.o +COBJS-y += cpu.o +COBJS-y += reset.o +COBJS-y += timer.o + +ifndef CONFIG_SKIP_LOWLEVEL_INIT +SOBJS-y := lowlevel_init.o +endif + +SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/arm/cpu/armv7/at91/at91sama5_devices.c b/arch/arm/cpu/armv7/at91/at91sama5_devices.c new file mode 100644 index 0000000000..167b9f5bb3 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/at91sama5_devices.c @@ -0,0 +1,278 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/arch/at91sama5.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/clk.h> +#include <asm/arch/gpio.h> +#include <asm/io.h> + +/* + * if CONFIG_AT91_GPIO_PULLUP ist set, keep pullups on on all + * peripheral pins. Good to have if hardware is soldered optionally + * or in case of SPI no slave is selected. Avoid lines to float + * needlessly. Use a short local PUP define. + * + * Due to errata "TXD floats when CTS is inactive" pullups are always + * on for TXD pins. + */ +#ifdef CONFIG_AT91_GPIO_PULLUP +# define PUP CONFIG_AT91_GPIO_PULLUP +#else +# define PUP 0 +#endif + +#define CIDR 0x40 +#define EXID 0x44 + +unsigned int get_chip_id(void) +{ + return readl(ATMEL_BASE_DBGU + CIDR); +} + +unsigned int get_extension_chip_id(void) +{ + return readl(ATMEL_BASE_DBGU + EXID); +} + +unsigned int has_emac() +{ + return cpu_is_at91sama5d31() || cpu_is_at91sama5d35(); +} + +unsigned int has_gmac() +{ + return !cpu_is_at91sama5d31(); +} + +unsigned int has_lcdc() +{ + return !cpu_is_at91sama5d35(); +} + +char *get_cpu_name() +{ + unsigned int extension_id = get_extension_chip_id(); + + if (cpu_is_at91sama5()) + switch (extension_id) { + case ARCH_EXID_AT91SAMA5D31: + return CONFIG_SYS_AT91_D31_CPU_NAME; + case ARCH_EXID_AT91SAMA5D33: + return CONFIG_SYS_AT91_D33_CPU_NAME; + case ARCH_EXID_AT91SAMA5D34: + return CONFIG_SYS_AT91_D34_CPU_NAME; + case ARCH_EXID_AT91SAMA5D35: + return CONFIG_SYS_AT91_D35_CPU_NAME; + default: + return CONFIG_SYS_AT91_UNKNOWN_CPU; + } + else + return CONFIG_SYS_AT91_UNKNOWN_CPU; +} + +void at91_serial0_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTD, 18, 1); /* TXD0 */ + at91_set_a_periph(AT91_PIO_PORTD, 17, PUP); /* RXD0 */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_USART0); +} + +void at91_serial1_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTB, 28, 0); /* TXD1 */ + at91_set_a_periph(AT91_PIO_PORTB, 29, PUP); /* RXD1 */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_USART1); +} + +void at91_serial2_hw_init(void) +{ + at91_set_b_periph(AT91_PIO_PORTE, 26, 1); /* TXD2 */ + at91_set_b_periph(AT91_PIO_PORTE, 25, PUP); /* RXD2 */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_USART2); +} + +void at91_seriald_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTB, 30, 0); /* DRXD */ + at91_set_a_periph(AT91_PIO_PORTB, 31, 1); /* DTXD */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_SYS); +} + +#if defined(CONFIG_ATMEL_SPI) +void at91_spi0_hw_init(unsigned long cs_mask) +{ + at91_set_a_periph(AT91_PIO_PORTD, 10, 0); /* SPI0_MISO */ + at91_set_a_periph(AT91_PIO_PORTD, 11, 0); /* SPI0_MOSI */ + at91_set_a_periph(AT91_PIO_PORTD, 12, 0); /* SPI0_SPCK */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_SPI0); + + if (cs_mask & (1 << 0)) + at91_set_a_periph(AT91_PIO_PORTD, 13, 0); + if (cs_mask & (1 << 1)) + at91_set_b_periph(AT91_PIO_PORTD, 14, 0); + if (cs_mask & (1 << 2)) + at91_set_b_periph(AT91_PIO_PORTD, 15, 0); + if (cs_mask & (1 << 3)) + at91_set_b_periph(AT91_PIO_PORTD, 16, 0); + if (cs_mask & (1 << 4)) + at91_set_pio_output(AT91_PIO_PORTD, 13, 0); + if (cs_mask & (1 << 5)) + at91_set_pio_output(AT91_PIO_PORTD, 14, 0); + if (cs_mask & (1 << 6)) + at91_set_pio_output(AT91_PIO_PORTD, 15, 0); + if (cs_mask & (1 << 7)) + at91_set_pio_output(AT91_PIO_PORTD, 16, 0); +} +#endif + +#ifdef CONFIG_GENERIC_ATMEL_MCI +void at91_mci_hw_init(void) +{ + at91_set_pio_output(AT91_PIO_PORTB, 10, 0); /* MCI0 Power */ + + at91_set_a_periph(AT91_PIO_PORTD, 0, 0); /* MCI0 CMD */ + at91_set_a_periph(AT91_PIO_PORTD, 1, 0); /* MCI0 DA0 */ + at91_set_a_periph(AT91_PIO_PORTD, 2, 0); /* MCI0 DA1 */ + at91_set_a_periph(AT91_PIO_PORTD, 3, 0); /* MCI0 DA2 */ + at91_set_a_periph(AT91_PIO_PORTD, 4, 0); /* MCI0 DA3 */ +#ifdef CONFIG_ATMEL_MCI_8BIT + at91_set_a_periph(AT91_PIO_PORTD, 5, 0); /* MCI0 DA4 */ + at91_set_a_periph(AT91_PIO_PORTD, 6, 0); /* MCI0 DA5 */ + at91_set_a_periph(AT91_PIO_PORTD, 7, 0); /* MCI0 DA6 */ + at91_set_a_periph(AT91_PIO_PORTD, 8, 0); /* MCI0 DA7 */ +#endif + at91_set_a_periph(AT91_PIO_PORTD, 9, 0); /* MCI0 CLK */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_MCI0); + + /* Pin muxing for MCI1 */ + at91_set_pio_output(AT91_PIO_PORTB, 12, 0); /* MCI1 Power */ + + at91_set_a_periph(AT91_PIO_PORTB, 19, 0); /* MCI1 CMD */ + at91_set_a_periph(AT91_PIO_PORTB, 20, 0); /* MCI1 DA0 */ + at91_set_a_periph(AT91_PIO_PORTB, 21, 0); /* MCI1 DA1 */ + at91_set_a_periph(AT91_PIO_PORTB, 22, 0); /* MCI1 DA2 */ + at91_set_a_periph(AT91_PIO_PORTB, 23, 0); /* MCI1 DA3 */ + at91_set_a_periph(AT91_PIO_PORTB, 24, 0); /* MCI1 CLK */ +} +#endif + +#ifdef CONFIG_MACB +void at91_macb_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* ETXCK_EREFCK */ + at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* ERXDV */ + at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* ERX0 */ + at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* ERX1 */ + at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* ERXER */ + at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* ETXEN */ + at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* ETX0 */ + at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* ETX1 */ + at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* EMDIO */ + at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* EMDC */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_EMAC); +} +#endif + +#ifdef CONFIG_GMACB +void at91_gmacb_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTB, 0, 0); /* GTX0 */ + at91_set_a_periph(AT91_PIO_PORTB, 1, 0); /* GTX1 */ + at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* GTX2 */ + at91_set_a_periph(AT91_PIO_PORTB, 3, 0); /* GTX3 */ + at91_set_a_periph(AT91_PIO_PORTB, 4, 0); /* GRX0 */ + at91_set_a_periph(AT91_PIO_PORTB, 5, 0); /* GRX1 */ + at91_set_a_periph(AT91_PIO_PORTB, 6, 0); /* GRX2 */ + at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* GRX3 */ + at91_set_a_periph(AT91_PIO_PORTB, 8, 0); /* GTXCK */ + at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* GTXEN */ + + at91_set_a_periph(AT91_PIO_PORTB, 11, 0); /* GRXCK */ + at91_set_a_periph(AT91_PIO_PORTB, 13, 0); /* GRXER */ + + at91_set_a_periph(AT91_PIO_PORTB, 16, 0); /* GMDC */ + at91_set_a_periph(AT91_PIO_PORTB, 17, 0); /* GMDIO */ + at91_set_a_periph(AT91_PIO_PORTB, 18, 0); /* G125CK */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_GMAC); +} +#endif + +#ifdef CONFIG_LCD +void at91_lcd_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTA, 24, 0); /* LCDPWM */ + at91_set_a_periph(AT91_PIO_PORTA, 25, 0); /* LCDDISP */ + at91_set_a_periph(AT91_PIO_PORTA, 26, 0); /* LCDVSYNC */ + at91_set_a_periph(AT91_PIO_PORTA, 27, 0); /* LCDHSYNC */ + at91_set_a_periph(AT91_PIO_PORTA, 28, 0); /* LCDDOTCK */ + at91_set_a_periph(AT91_PIO_PORTA, 29, 0); /* LCDDEN */ + + at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* LCDD0 */ + at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* LCDD1 */ + at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* LCDD2 */ + at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* LCDD3 */ + at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* LCDD4 */ + at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* LCDD5 */ + at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* LCDD6 */ + at91_set_a_periph(AT91_PIO_PORTA, 7, 0); /* LCDD7 */ + at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* LCDD8 */ + at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* LCDD9 */ + at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* LCDD10 */ + at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* LCDD11 */ + at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* LCDD12 */ + at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* LCDD13 */ + at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* LCDD14 */ + at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* LCDD15 */ + at91_set_c_periph(AT91_PIO_PORTC, 14, 0); /* LCDD16 */ + at91_set_c_periph(AT91_PIO_PORTC, 13, 0); /* LCDD17 */ + at91_set_c_periph(AT91_PIO_PORTC, 12, 0); /* LCDD18 */ + at91_set_c_periph(AT91_PIO_PORTC, 11, 0); /* LCDD19 */ + at91_set_c_periph(AT91_PIO_PORTC, 10, 0); /* LCDD20 */ + at91_set_c_periph(AT91_PIO_PORTC, 15, 0); /* LCDD21 */ + at91_set_c_periph(AT91_PIO_PORTE, 27, 0); /* LCDD22 */ + at91_set_c_periph(AT91_PIO_PORTE, 28, 0); /* LCDD23 */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_LCDC); +} +#endif diff --git a/arch/arm/cpu/armv7/at91/clock.c b/arch/arm/cpu/armv7/at91/clock.c new file mode 100644 index 0000000000..dad7357f4e --- /dev/null +++ b/arch/arm/cpu/armv7/at91/clock.c @@ -0,0 +1,116 @@ +/* + * [origin: Linux kernel linux/arch/arm/mach-at91/clock.c] + * + * Copyright (C) 2005 David Brownell + * Copyright (C) 2005 Ivan Kokshaysky + * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.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; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/clk.h> + +#if !defined(CONFIG_AT91FAMILY) +# error You need to define CONFIG_AT91FAMILY in your board config! +#endif + +DECLARE_GLOBAL_DATA_PTR; + +static unsigned long at91_css_to_rate(unsigned long css) +{ + switch (css) { + case AT91_PMC_MCKR_CSS_SLOW: + return CONFIG_SYS_AT91_SLOW_CLOCK; + case AT91_PMC_MCKR_CSS_MAIN: + return gd->main_clk_rate_hz; + case AT91_PMC_MCKR_CSS_PLLA: + return gd->plla_rate_hz; + case AT91_PMC_MCKR_CSS_PLLB: + return gd->pllb_rate_hz; + } + + return 0; +} + +static u32 at91_pll_rate(u32 freq, u32 reg) +{ + unsigned mul, div; + + div = reg & 0xff; + mul = (reg >> 18) & 0x7ff; + if (div && mul) { + freq /= div; + freq *= mul + 1; + } else + freq = 0; + + return freq; +} + +int at91_clock_init(unsigned long main_clock) +{ + unsigned freq, mckr; + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; +#ifndef CONFIG_SYS_AT91_MAIN_CLOCK + unsigned tmp; + /* + * When the bootloader initialized the main oscillator correctly, + * there's no problem using the cycle counter. But if it didn't, + * or when using oscillator bypass mode, we must be told the speed + * of the main clock. + */ + if (!main_clock) { + do { + tmp = readl(&pmc->mcfr); + } while (!(tmp & AT91_PMC_MCFR_MAINRDY)); + tmp &= AT91_PMC_MCFR_MAINF_MASK; + main_clock = tmp * (CONFIG_SYS_AT91_SLOW_CLOCK / 16); + } +#endif + gd->main_clk_rate_hz = main_clock; + + /* report if PLLA is more than mildly overclocked */ + gd->plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar)); + + /* + * MCK and CPU derive from one of those primary clocks. + * For now, assume this parentage won't change. + */ + mckr = readl(&pmc->mckr); + + /* plla divisor by 2 */ + gd->plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12)); + + gd->mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK); + freq = gd->mck_rate_hz; + + freq /= (1 << ((mckr & (AT91_PMC_MCKR_PRES_MASK << 2)) >> 4)); /* prescale */ + + gd->mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) == + (AT91_PMC_MCKR_MDIV_2 | AT91_PMC_MCKR_MDIV_4) + ? freq / 3 + : freq / (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8)); + + gd->cpu_clk_rate_hz = freq; + + return 0; +} + +void at91_periph_clk_enable(int id) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + /* do we need sanity check for id ? */ + + if (id > 31) + writel(1 << (id - 32), &pmc->pcer1); + else + writel(1 << id, &pmc->pcer); +} diff --git a/arch/arm/cpu/armv7/at91/cpu.c b/arch/arm/cpu/armv7/at91/cpu.c new file mode 100644 index 0000000000..98102576f2 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/cpu.c @@ -0,0 +1,99 @@ +/* + * (C) Copyright 2010 + * Reinhard Meyer, reinhard.meyer@emk-elektronik.de + * (C) Copyright 2009 + * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_pit.h> +#include <asm/arch/at91_gpbr.h> +#include <asm/arch/clk.h> + +#ifndef CONFIG_SYS_AT91_MAIN_CLOCK +#define CONFIG_SYS_AT91_MAIN_CLOCK 0 +#endif + +int arch_cpu_init(void) +{ + return at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK); +} + +void arch_preboot_os(void) +{ + ulong cpiv; + at91_pit_t *pit = (at91_pit_t *) ATMEL_BASE_PIT; + + cpiv = AT91_PIT_MR_PIV_MASK(readl(&pit->piir)); + + /* + * Disable PITC + * Add 0x1000 to current counter to stop it faster + * without waiting for wrapping back to 0 + */ + writel(cpiv + 0x1000, &pit->mr); +} + +#if defined(CONFIG_DISPLAY_CPUINFO) +int print_cpuinfo(void) +{ + char buf[32]; + + printf("CPU: %s\n", get_cpu_name()); + printf("Crystal frequency: %8s MHz\n", + strmhz(buf, get_main_clk_rate())); + printf("CPU clock : %8s MHz\n", + strmhz(buf, get_cpu_clk_rate())); + printf("Master clock : %8s MHz\n", + strmhz(buf, get_mck_clk_rate())); + + return 0; +} +#endif + +#ifdef CONFIG_BOOTCOUNT_LIMIT +/* + * We combine the BOOTCOUNT_MAGIC and bootcount in one 32-bit register. + * This is done so we need to use only one of the four GPBR registers. + */ +void bootcount_store (ulong a) +{ + at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR; + + writel((BOOTCOUNT_MAGIC & 0xffff0000) | (a & 0x0000ffff), + &gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]); +} + +ulong bootcount_load (void) +{ + at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR; + + ulong val = readl(&gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]); + if ((val & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) + return 0; + else + return val & 0x0000ffff; +} + +#endif /* CONFIG_BOOTCOUNT_LIMIT */ diff --git a/arch/arm/cpu/armv7/at91/lowlevel_init.S b/arch/arm/cpu/armv7/at91/lowlevel_init.S new file mode 100644 index 0000000000..d102195273 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/lowlevel_init.S @@ -0,0 +1,274 @@ +/* + * Memory Setup stuff - taken from blob memsetup.S + * + * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl) and + * Jan-Derk Bakker (J.D.Bakker@its.tudelft.nl) + * + * Copyright (C) 2008 Ronetix Ilko Iliev (www.ronetix.at) + * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <config.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_wdt.h> +#include <asm/arch/at91_pio.h> +#include <asm/arch/at91_matrix.h> +#include <asm/arch/at91sam9_sdramc.h> +#include <asm/arch/at91sam9_smc.h> +#include <asm/arch/at91_rstc.h> +#ifdef CONFIG_ATMEL_LEGACY +#include <asm/arch/at91sam9_matrix.h> +#endif +#ifndef CONFIG_SYS_MATRIX_EBICSA_VAL +#define CONFIG_SYS_MATRIX_EBICSA_VAL CONFIG_SYS_MATRIX_EBI0CSA_VAL +#endif + +_TEXT_BASE: + .word CONFIG_SYS_TEXT_BASE + +.globl lowlevel_init +.type lowlevel_init,function +lowlevel_init: + + mov r5, pc /* r5 = POS1 + 4 current */ +POS1: + ldr r0, =POS1 /* r0 = POS1 compile */ + ldr r2, _TEXT_BASE + sub r0, r0, r2 /* r0 = POS1-_TEXT_BASE (POS1 relative) */ + sub r5, r5, r0 /* r0 = CONFIG_SYS_TEXT_BASE-1 */ + sub r5, r5, #4 /* r1 = text base - current */ + + /* memory control configuration 1 */ + ldr r0, =SMRDATA + ldr r2, =SMRDATA1 + ldr r1, _TEXT_BASE + sub r0, r0, r1 + sub r2, r2, r1 + add r0, r0, r5 + add r2, r2, r5 +0: + /* the address */ + ldr r1, [r0], #4 + /* the value */ + ldr r3, [r0], #4 + str r3, [r1] + cmp r2, r0 + bne 0b + +/* ---------------------------------------------------------------------------- + * PMC Init Step 1. + * ---------------------------------------------------------------------------- + * - Check if the PLL is already initialized + * ---------------------------------------------------------------------------- + */ + ldr r1, =(AT91_ASM_PMC_MCKR) + ldr r0, [r1] + and r0, r0, #3 + cmp r0, #0 + bne PLL_setup_end + +/* --------------------------------------------------------------------------- + * - Enable the Main Oscillator + * --------------------------------------------------------------------------- + */ + ldr r1, =(AT91_ASM_PMC_MOR) + ldr r2, =(AT91_ASM_PMC_SR) + /* Main oscillator Enable register PMC_MOR: */ + ldr r0, =CONFIG_SYS_MOR_VAL + str r0, [r1] + + /* Reading the PMC Status to detect when the Main Oscillator is enabled */ + mov r4, #AT91_PMC_IXR_MOSCS +MOSCS_Loop: + ldr r3, [r2] + and r3, r4, r3 + cmp r3, #AT91_PMC_IXR_MOSCS + bne MOSCS_Loop + +/* ---------------------------------------------------------------------------- + * PMC Init Step 2. + * ---------------------------------------------------------------------------- + * Setup PLLA + * ---------------------------------------------------------------------------- + */ + ldr r1, =(AT91_ASM_PMC_PLLAR) + ldr r0, =CONFIG_SYS_PLLAR_VAL + str r0, [r1] + + /* Reading the PMC Status register to detect when the PLLA is locked */ + mov r4, #AT91_PMC_IXR_LOCKA +MOSCS_Loop1: + ldr r3, [r2] + and r3, r4, r3 + cmp r3, #AT91_PMC_IXR_LOCKA + bne MOSCS_Loop1 + +/* ---------------------------------------------------------------------------- + * PMC Init Step 3. + * ---------------------------------------------------------------------------- + * - Switch on the Main Oscillator + * ---------------------------------------------------------------------------- + */ + ldr r1, =(AT91_ASM_PMC_MCKR) + + /* -Master Clock Controller register PMC_MCKR */ + ldr r0, =CONFIG_SYS_MCKR1_VAL + str r0, [r1] + + /* Reading the PMC Status to detect when the Master clock is ready */ + mov r4, #AT91_PMC_IXR_MCKRDY +MCKRDY_Loop: + ldr r3, [r2] + and r3, r4, r3 + cmp r3, #AT91_PMC_IXR_MCKRDY + bne MCKRDY_Loop + + ldr r0, =CONFIG_SYS_MCKR2_VAL + str r0, [r1] + + /* Reading the PMC Status to detect when the Master clock is ready */ + mov r4, #AT91_PMC_IXR_MCKRDY +MCKRDY_Loop1: + ldr r3, [r2] + and r3, r4, r3 + cmp r3, #AT91_PMC_IXR_MCKRDY + bne MCKRDY_Loop1 +PLL_setup_end: + +/* ---------------------------------------------------------------------------- + * - memory control configuration 2 + * ---------------------------------------------------------------------------- + */ + ldr r0, =(AT91_ASM_SDRAMC_TR) + ldr r1, [r0] + cmp r1, #0 + bne SDRAM_setup_end + + ldr r0, =SMRDATA1 + ldr r2, =SMRDATA2 + ldr r1, _TEXT_BASE + sub r0, r0, r1 + sub r2, r2, r1 + add r0, r0, r5 + add r2, r2, r5 +2: + /* the address */ + ldr r1, [r0], #4 + /* the value */ + ldr r3, [r0], #4 + str r3, [r1] + cmp r2, r0 + bne 2b + +SDRAM_setup_end: + /* everything is fine now */ + mov pc, lr + + .ltorg + +SMRDATA: + .word AT91_ASM_WDT_MR + .word CONFIG_SYS_WDTC_WDMR_VAL + /* configure PIOx as EBI0 D[16-31] */ +#if defined(CONFIG_AT91SAM9263) + .word AT91_ASM_PIOD_PDR + .word CONFIG_SYS_PIOD_PDR_VAL1 + .word AT91_ASM_PIOD_PUDR + .word CONFIG_SYS_PIOD_PPUDR_VAL + .word AT91_ASM_PIOD_ASR + .word CONFIG_SYS_PIOD_PPUDR_VAL +#elif defined(CONFIG_AT91SAM9260) || defined(CONFIG_AT91SAM9261) \ + || defined(CONFIG_AT91SAM9G20) + .word AT91_ASM_PIOC_PDR + .word CONFIG_SYS_PIOC_PDR_VAL1 + .word AT91_ASM_PIOC_PUDR + .word CONFIG_SYS_PIOC_PPUDR_VAL +#endif + .word AT91_ASM_MATRIX_CSA0 + .word CONFIG_SYS_MATRIX_EBICSA_VAL + + /* flash */ + .word AT91_ASM_SMC_MODE0 + .word CONFIG_SYS_SMC0_MODE0_VAL + + .word AT91_ASM_SMC_CYCLE0 + .word CONFIG_SYS_SMC0_CYCLE0_VAL + + .word AT91_ASM_SMC_PULSE0 + .word CONFIG_SYS_SMC0_PULSE0_VAL + + .word AT91_ASM_SMC_SETUP0 + .word CONFIG_SYS_SMC0_SETUP0_VAL + +SMRDATA1: + .word AT91_ASM_SDRAMC_MR + .word CONFIG_SYS_SDRC_MR_VAL1 + .word AT91_ASM_SDRAMC_TR + .word CONFIG_SYS_SDRC_TR_VAL1 + .word AT91_ASM_SDRAMC_CR + .word CONFIG_SYS_SDRC_CR_VAL + .word AT91_ASM_SDRAMC_MDR + .word CONFIG_SYS_SDRC_MDR_VAL + .word AT91_ASM_SDRAMC_MR + .word CONFIG_SYS_SDRC_MR_VAL2 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL1 + .word AT91_ASM_SDRAMC_MR + .word CONFIG_SYS_SDRC_MR_VAL3 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL2 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL3 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL4 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL5 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL6 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL7 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL8 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL9 + .word AT91_ASM_SDRAMC_MR + .word CONFIG_SYS_SDRC_MR_VAL4 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL10 + .word AT91_ASM_SDRAMC_MR + .word CONFIG_SYS_SDRC_MR_VAL5 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL11 + .word AT91_ASM_SDRAMC_TR + .word CONFIG_SYS_SDRC_TR_VAL2 + .word CONFIG_SYS_SDRAM_BASE + .word CONFIG_SYS_SDRAM_VAL12 + /* User reset enable*/ + .word AT91_ASM_RSTC_MR + .word CONFIG_SYS_RSTC_RMR_VAL +#ifdef CONFIG_SYS_MATRIX_MCFG_REMAP + /* MATRIX_MCFG - REMAP all masters */ + .word AT91_ASM_MATRIX_MCFG + .word 0x1FF +#endif +SMRDATA2: + .word 0 diff --git a/arch/arm/cpu/armv7/at91/reset.c b/arch/arm/cpu/armv7/at91/reset.c new file mode 100644 index 0000000000..f6a7cb7a86 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/reset.c @@ -0,0 +1,45 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_rstc.h> + +/* Reset the cpu by telling the reset controller to do so */ +void reset_cpu(ulong ignored) +{ + at91_rstc_t *rstc = (at91_rstc_t *) ATMEL_BASE_RSTC; + + writel(AT91_RSTC_KEY + | AT91_RSTC_CR_PROCRST /* Processor Reset */ + | AT91_RSTC_CR_PERRST /* Peripheral Reset */ +#ifdef CONFIG_AT91RESET_EXTRST + | AT91_RSTC_CR_EXTRST /* External Reset (assert nRST pin) */ +#endif + , &rstc->cr); + /* never reached */ + while (1) + ; +} diff --git a/arch/arm/cpu/armv7/at91/timer.c b/arch/arm/cpu/armv7/at91/timer.c new file mode 100644 index 0000000000..f70ce83f08 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/timer.c @@ -0,0 +1,136 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_pit.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/clk.h> +#include <div64.h> + +#if !defined(CONFIG_AT91FAMILY) +# error You need to define CONFIG_AT91FAMILY in your board config! +#endif + +DECLARE_GLOBAL_DATA_PTR; + +/* + * We're using the AT91CAP9/SAM9 PITC in 32 bit mode, by + * setting the 20 bit counter period to its maximum (0xfffff). + * (See the relevant data sheets to understand that this really works) + * + * We do also mimic the typical powerpc way of incrementing + * two 32 bit registers called tbl and tbu. + * + * Those registers increment at 1/16 the main clock rate. + */ + +#define TIMER_LOAD_VAL 0xfffff + +static inline unsigned long long tick_to_time(unsigned long long tick) +{ + tick *= CONFIG_SYS_HZ; + do_div(tick, gd->timer_rate_hz); + + return tick; +} + +static inline unsigned long long usec_to_tick(unsigned long long usec) +{ + usec *= gd->timer_rate_hz; + do_div(usec, 1000000); + + return usec; +} + +/* + * Use the PITC in full 32 bit incrementing mode + */ +int timer_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + at91_pit_t *pit = (at91_pit_t *) ATMEL_BASE_PIT; + + /* Enable PITC Clock */ + writel(1 << ATMEL_ID_SYS, &pmc->pcer); + + /* Enable PITC */ + writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr); + + gd->timer_rate_hz = gd->mck_rate_hz / 16; + gd->tbu = gd->tbl = 0; + + return 0; +} + +/* + * Get the current 64 bit timer tick count + */ +unsigned long long get_ticks(void) +{ + at91_pit_t *pit = (at91_pit_t *) ATMEL_BASE_PIT; + + ulong now = readl(&pit->piir); + + /* increment tbu if tbl has rolled over */ + if (now < gd->tbl) + gd->tbu++; + gd->tbl = now; + return (((unsigned long long)gd->tbu) << 32) | gd->tbl; +} + +void __udelay(unsigned long usec) +{ + unsigned long long start; + ulong tmo; + + start = get_ticks(); /* get current timestamp */ + tmo = usec_to_tick(usec); /* convert usecs to ticks */ + while ((get_ticks() - start) < tmo) + ; /* loop till time has passed */ +} + +/* + * get_timer(base) can be used to check for timeouts or + * to measure elasped time relative to an event: + * + * ulong start_time = get_timer(0) sets start_time to the current + * time value. + * get_timer(start_time) returns the time elapsed since then. + * + * The time is used in CONFIG_SYS_HZ units! + */ +ulong get_timer(ulong base) +{ + return tick_to_time(get_ticks()) - base; +} + +/* + * Return the number of timer ticks per second. + */ +ulong get_tbclk(void) +{ + return gd->timer_rate_hz; +} diff --git a/arch/arm/include/asm/arch-at91/at91_pio.h b/arch/arm/include/asm/arch-at91/at91_pio.h index 0483c9820e..3252516200 100644 --- a/arch/arm/include/asm/arch-at91/at91_pio.h +++ b/arch/arm/include/asm/arch-at91/at91_pio.h @@ -180,11 +180,36 @@ int at91_get_pio_value(unsigned port, unsigned pin); #define PIO_PUER 0x64 /* Pull-up Enable Register */ #define PIO_PUSR 0x68 /* Pull-up Status Register */ #define PIO_ASR 0x70 /* Peripheral A Select Register */ +#define PIO_ABCDSR1 0x70 /* Peripheral ABCD Select Register 1 */ #define PIO_BSR 0x74 /* Peripheral B Select Register */ +#define PIO_ABCDSR2 0x74 /* Peripheral ABCD Select Register 2 */ #define PIO_ABSR 0x78 /* AB Status Register */ +#define PIO_IFSCDR 0x80 /* Input Filter Slow Clock Disable Register */ +#define PIO_IFSCER 0x84 /* Input Filter Slow Clock Enable Register */ +#define PIO_IFSCSR 0x88 /* Input Filter Slow Clock Status Register */ +#define PIO_SCDR 0x8c /* Slow Clock Divider Debouncing Register */ +#define PIO_SCDR_DIV (0x3fff << 0) /* Slow Clock Divider Mask */ +#define PIO_PPDDR 0x90 /* Pad Pull-down Disable Register */ +#define PIO_PPDER 0x94 /* Pad Pull-down Enable Register */ +#define PIO_PPDSR 0x98 /* Pad Pull-down Status Register */ #define PIO_OWER 0xa0 /* Output Write Enable Register */ #define PIO_OWDR 0xa4 /* Output Write Disable Register */ #define PIO_OWSR 0xa8 /* Output Write Status Register */ +#define PIO_AIMER 0xb0 /* Additional Interrupt Modes Enable Register */ +#define PIO_AIMDR 0xb4 /* Additional Interrupt Modes Disable Register */ +#define PIO_AIMMR 0xb8 /* Additional Interrupt Modes Mask Register */ +#define PIO_ESR 0xc0 /* Edge Select Register */ +#define PIO_LSR 0xc4 /* Level Select Register */ +#define PIO_ELSR 0xc8 /* Edge/Level Status Register */ +#define PIO_FELLSR 0xd0 /* Falling Edge/Low Level Select Register */ +#define PIO_REHLSR 0xd4 /* Rising Edge/ High Level Select Register */ +#define PIO_FRLHSR 0xd8 /* Fall/Rise - Low/High Status Register */ +#define PIO_SCHMITT 0x100 /* Schmitt Trigger Register */ + +#define ABCDSR_PERIPH_A 0x0 +#define ABCDSR_PERIPH_B 0x1 +#define ABCDSR_PERIPH_C 0x2 +#define ABCDSR_PERIPH_D 0x3 #endif #endif diff --git a/arch/arm/include/asm/arch-at91/at91_pmc.h b/arch/arm/include/asm/arch-at91/at91_pmc.h index 086cb9b34e..ca529778b7 100644 --- a/arch/arm/include/asm/arch-at91/at91_pmc.h +++ b/arch/arm/include/asm/arch-at91/at91_pmc.h @@ -43,19 +43,29 @@ typedef struct at91_pmc { u32 mckr; /* 0x30 Master Clock Register */ u32 reserved1; u32 usb; /* 0x38 USB Clock Register */ - u32 reserved2; + u32 smd; /* 0x3C Soft Modem Clock Register */ u32 pck[4]; /* 0x40 Programmable Clock Register 0 - 3 */ u32 reserved3[4]; u32 ier; /* 0x60 Interrupt Enable Register */ u32 idr; /* 0x64 Interrupt Disable Register */ u32 sr; /* 0x68 Status Register */ u32 imr; /* 0x6C Interrupt Mask Register */ - u32 reserved4[4]; + u32 fsmr; /* 0x70 Fast Startup Mode Register */ + u32 fspr; /* 0x74 Fast Startup Polarity Register */ + u32 focr; /* 0x78 Fault Output Clear Register */ + u32 reserved4; u32 pllicpr; /* 0x80 Change Pump Current Register (SAM9) */ u32 reserved5[21]; u32 wpmr; /* 0xE4 Write Protect Mode Register (CAP0) */ u32 wpsr; /* 0xE8 Write Protect Status Register (CAP0) */ - u32 reserved8[5]; + u32 reserved6[4]; + u32 ver; /* 0xFC Version register */ + u32 reserved[3]; + u32 pcer1; /* 0x100 Periperial Clock Enable Register 1 */ + u32 pcdr1; /* 0x104 Periperial Clock Disable Register 1 */ + u32 pcsr1; /* 0x108 Periperial Clcok Status Register 1 */ + u32 pcr; /* 0x10C Periperial Control Register */ + u32 ocr; /* 0x110 Oscillator Calibration Register */ } at91_pmc_t; #endif /* end not assembly */ diff --git a/arch/arm/include/asm/arch-at91/at91sama5.h b/arch/arm/include/asm/arch-at91/at91sama5.h new file mode 100644 index 0000000000..38b9e9c7d9 --- /dev/null +++ b/arch/arm/include/asm/arch-at91/at91sama5.h @@ -0,0 +1,219 @@ +/* + * Chip-specific header file for the AT91SAMA5 family + * + * (C) 2012 Atmel Corporation. + * + * Definitions for the SoC: + * AT91SAMA5 + * + * 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. + */ + +#ifndef AT91SAMA5_H +#define AT91SAMA5_H + +/* + * defines to be used in other places + */ +#define CONFIG_ARMV7 /* ARM A5 Core */ +#define CONFIG_AT91FAMILY /* it's a member of AT91 */ + +/* + * Peripheral identifiers/interrupts. + */ +#define ATMEL_ID_FIQ 0 /* Advanced Interrupt Controller (FIQ) */ +#define ATMEL_ID_SYS 1 /* System Controller Interrupt */ +#define ATMEL_ID_DBGU 2 /* Debug Unit Interrupt */ +#define ATMEL_ID_PIT 3 /* Periodic Interval Timer Interrupt */ +#define ATMEL_ID_WDT 4 /* Watchdog timer Interrupt */ +#define ATMEL_ID_SMC 5 /* Multi-bit ECC Interrupt */ +#define ATMEL_ID_PIOA 6 /* Parallel I/O Controller A */ +#define ATMEL_ID_PIOB 7 /* Parallel I/O Controller B */ +#define ATMEL_ID_PIOC 8 /* Parallel I/O Controller C */ +#define ATMEL_ID_PIOD 9 /* Parallel I/O Controller D */ +#define ATMEL_ID_PIOE 10 /* Parallel I/O Controller E */ +#define ATMEL_ID_SMD 11 /* SMD Soft Modem */ +#define ATMEL_ID_USART0 12 /* USART 0 */ +#define ATMEL_ID_USART1 13 /* USART 1 */ +#define ATMEL_ID_USART2 14 /* USART 2 */ +#define ATMEL_ID_USART3 15 /* USART 3 */ +#define ATMEL_ID_UART0 16 +#define ATMEL_ID_UART1 17 +#define ATMEL_ID_TWI0 18 /* Two-Wire Interface 0 */ +#define ATMEL_ID_TWI1 19 /* Two-Wire Interface 1 */ +#define ATMEL_ID_TWI2 20 /* Two-Wire Interface 2 */ +#define ATMEL_ID_MCI0 21 /* High Speed Multimedia Card Interface 0 */ +#define ATMEL_ID_MCI1 22 /* */ +#define ATMEL_ID_MCI2 23 /* */ +#define ATMEL_ID_SPI0 24 /* Serial Peripheral Interface 0 */ +#define ATMEL_ID_SPI1 25 /* Serial Peripheral Interface 1 */ +#define ATMEL_ID_TC0 26 /* */ +#define ATMEL_ID_TC1 27 /* */ +#define ATMEL_ID_PWMC 28 /* Pulse Width Modulation Controller */ +#define ATMEL_ID_TSC 29 /* Touch Screen ADC Controller */ +#define ATMEL_ID_DMA0 30 /* DMA Controller */ +#define ATMEL_ID_DMA1 31 /* DMA Controller */ +#define ATMEL_ID_UHPHS 32 /* USB Host High Speed */ +#define ATMEL_ID_UDPHS 33 /* USB Device High Speed */ +#define ATMEL_ID_GMAC 34 +#define ATMEL_ID_EMAC 35 /* Ethernet MAC */ +#define ATMEL_ID_LCDC 36 /* LCD Controller */ +#define ATMEL_ID_ISI 37 /* Image Sensor Interface */ +#define ATMEL_ID_SSC0 38 /* Synchronous Serial Controller 0 */ +#define ATMEL_ID_SSC1 39 /* Synchronous Serial Controller 1 */ +#define ATMEL_ID_CAN0 40 +#define ATMEL_ID_CAN1 41 +#define ATMEL_ID_SHA 42 +#define ATMEL_ID_AES 43 +#define ATMEL_ID_TDES 44 +#define ATMEL_ID_TRNG 45 +#define ATMEL_ID_ARM 46 +#define ATMEL_ID_IRQ0 47 /* Advanced Interrupt Controller */ +#define ATMEL_ID_FUSE 48 +#define ATMEL_ID_MPDDRC 49 + +/* sama5 series chip id definitions */ +#define ARCH_ID_AT91SAMA5 0x8a5c07c1 +#define ARCH_EXID_AT91SAMA5D31 0x00444300 +#define ARCH_EXID_AT91SAMA5D33 0x00414300 +#define ARCH_EXID_AT91SAMA5D34 0x00414301 +#define ARCH_EXID_AT91SAMA5D35 0x00584300 + +#define cpu_is_at91sama5() (get_chip_id() == ARCH_ID_AT91SAMA5) +#define cpu_is_at91sama5d31() (cpu_is_at91sama5() && \ + (get_extension_chip_id() == ARCH_EXID_AT91SAMA5D31)) +#define cpu_is_at91sama5d33() (cpu_is_at91sama5() && \ + (get_extension_chip_id() == ARCH_EXID_AT91SAMA5D33)) +#define cpu_is_at91sama5d34() (cpu_is_at91sama5() && \ + (get_extension_chip_id() == ARCH_EXID_AT91SAMA5D34)) +#define cpu_is_at91sama5d35() (cpu_is_at91sama5() && \ + (get_extension_chip_id() == ARCH_EXID_AT91SAMA5D35)) + +/* + * User Peripherals physical base addresses. + */ +#define ATMEL_BASE_MCI0 0xf0000000 +#define ATMEL_BASE_SPI0 0xf0004000 +#define ATMEL_BASE_SSC0 0xf000C000 +#define ATMEL_BASE_TC2 0xf0010000 +#define ATMEL_BASE_TWI0 0xf0014000 +#define ATMEL_BASE_TWI1 0xf0018000 +#define ATMEL_BASE_USART0 0xf001c000 +#define ATMEL_BASE_USART1 0xf0020000 +#define ATMEL_BASE_UART0 0xf0024000 +#define ATMEL_BASE_GMAC 0xf0028000 +#define ATMEL_BASE_PWMC 0xf002c000 +#define ATMEL_BASE_LCDC 0xf0030000 +#define ATMEL_BASE_ISI 0xf0034000 +#define ATMEL_BASE_SFR 0xf0038000 +/* Reserved: 0xf003c000 - 0xf8000000 */ +#define ATMEL_BASE_MCI1 0xf8000000 +#define ATMEL_BASE_MCI2 0xf8004000 +#define ATMEL_BASE_SPI1 0xf8008000 +#define ATMEL_BASE_SSC1 0xf800c000 +#define ATMEL_BASE_CAN1 0xf8010000 +#define ATMEL_BASE_TC3 0xf8014000 +#define ATMEL_BASE_TSADC 0xf8018000 +#define ATMEL_BASE_TWI2 0xf801c000 +#define ATMEL_BASE_USART2 0xf8020000 +#define ATMEL_BASE_USART3 0xf8024000 +#define ATMEL_BASE_UART1 0xf8028000 +#define ATMEL_BASE_EMAC 0xf802c000 +#define ATMEL_BASE_UDHPS 0xf8030000 +#define ATMEL_BASE_SHA 0xf8034000 +#define ATMEL_BASE_AES 0xf8038000 +#define ATMEL_BASE_TDES 0xf803c000 +#define ATMEL_BASE_TRNG 0xf8040000 +/* Reserved: 0xf804400 - 0xffffc00 */ + +/* + * System Peripherals physical base addresses. + */ +#define ATMEL_BASE_SYS 0xffffc000 +#define ATMEL_BASE_SMC 0xffffc000 +#define ATMEL_BASE_PMECC (ATMEL_BASE_SMC + 0x070) +#define ATMEL_BASE_PMERRLOC (ATMEL_BASE_SMC + 0x500) +#define ATMEL_BASE_FUSE 0xffffe400 +#define ATMEL_BASE_DMAC0 0xffffe600 +#define ATMEL_BASE_DMAC1 0xffffe800 +#define ATMEL_BASE_MPDDRC 0xffffea00 +#define ATMEL_BASE_MATRIX 0xffffec00 +#define ATMEL_BASE_DBGU 0xffffee00 +#define ATMEL_BASE_AIC 0xfffff000 +#define ATMEL_BASE_PIOA 0xfffff200 +#define ATMEL_BASE_PIOB 0xfffff400 +#define ATMEL_BASE_PIOC 0xfffff600 +#define ATMEL_BASE_PIOD 0xfffff800 +#define ATMEL_BASE_PIOE 0xfffffa00 +#define ATMEL_BASE_PMC 0xfffffc00 +#define ATMEL_BASE_RSTC 0xfffffe00 +#define ATMEL_BASE_SHDWN 0xfffffe10 +#define ATMEL_BASE_PIT 0xfffffe30 +#define ATMEL_BASE_WDT 0xfffffe40 +#define ATMEL_BASE_SCKCR 0xfffffe50 +#define ATMEL_BASE_GPBR 0xfffffe60 +#define ATMEL_BASE_RTC 0xfffffeb0 +/* Reserved: 0xfffffee0 - 0xffffffff */ + +/* + * Internal Memory. + */ +#define ATMEL_BASE_ROM 0x00100000 /* Internal ROM base address */ +#define ATMEL_BASE_SRAM 0x00200000 /* Internal ROM base address */ +#define ATMEL_BASE_SRAM0 0x00300000 /* Internal SRAM base address */ +#define ATMEL_BASE_SRAM1 0x00310000 /* Internal SRAM base address */ +#define ATMEL_BASE_SMD 0x00400000 /* Internal ROM base address */ +#define ATMEL_BASE_UDPHS_FIFO 0x00500000 /* USB Device HS controller */ +#define ATMEL_BASE_OHCI 0x00600000 /* USB Host controller (OHCI) */ +#define ATMEL_BASE_EHCI 0x00700000 /* USB Host controller (EHCI) */ +#define ATMEL_BASE_AXI 0x00800000 /* Video Decoder Controller */ +#define ATMEL_BASE_DAP 0x00900000 /* Video Decoder Controller */ + +/* + * External memory + */ +#define ATMEL_BASE_CS0 0x10000000 +#define ATMEL_BASE_DDRCS 0x20000000 +#define ATMEL_BASE_CS1 0x40000000 +#define ATMEL_BASE_CS2 0x50000000 +#define ATMEL_BASE_CS3 0x60000000 + +/* + * Other misc defines + */ +#define ATMEL_PIO_PORTS 5 +#define CPU_HAS_PIO3 + +/* + * PMECC table in ROM + */ +#define ATMEL_PMECC_INDEX_OFFSET_512 0x10000 +#define ATMEL_PMECC_INDEX_OFFSET_1024 0x18000 +#define ATMEL_PMECC_ALPHA_OFFSET_512 0x10000 +#define ATMEL_PMECC_ALPHA_OFFSET_1024 0x18000 + +/* + * Cpu Name + */ +#define CONFIG_SYS_AT91_D31_CPU_NAME "AT91SAMA5D31" +#define CONFIG_SYS_AT91_D33_CPU_NAME "AT91SAMA5D33" +#define CONFIG_SYS_AT91_D34_CPU_NAME "AT91SAMA5D34" +#define CONFIG_SYS_AT91_D35_CPU_NAME "AT91SAMA5D35" +#define CONFIG_SYS_AT91_UNKNOWN_CPU "Unknown CPU type" + +/* + * AT91SAMA5 specific prototypes + */ +#ifndef __ASSEMBLY__ +unsigned int get_chip_id(void); +unsigned int get_extension_chip_id(void); +unsigned int has_emac(void); +unsigned int has_gmac(void); +unsigned int has_lcdc(void); +char *get_cpu_name(void); +#endif + +#endif diff --git a/arch/arm/include/asm/arch-at91/at91sama5_smc.h b/arch/arm/include/asm/arch-at91/at91sama5_smc.h new file mode 100644 index 0000000000..22370e0b8f --- /dev/null +++ b/arch/arm/include/asm/arch-at91/at91sama5_smc.h @@ -0,0 +1,135 @@ +/* + * Copyright (C) 2012 Atmel Corporation. + * + * Static Memory Controllers (SMC) - System peripherals registers. + * Based on AT91SAMA5 datasheet. + * + * 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. + */ + +#ifndef AT91SAMA5_SMC_H +#define AT91SAMA5_SMC_H + +#ifdef __ASSEMBLY__ + +#define AT91_ASM_SMC_SETUP0 (ATMEL_BASE_SMC + 0x600) +#define AT91_ASM_SMC_PULSE0 (ATMEL_BASE_SMC + 0x604) +#define AT91_ASM_SMC_CYCLE0 (ATMEL_BASE_SMC + 0x608) +#define AT91_ASM_SMC_MODE0 (ATMEL_BASE_SMC + 0x60C) + +#else + +typedef struct at91_cs { + u32 reserved[96]; + u32 setup; /* 0x600 SMC Setup Register */ + u32 pulse; /* 0x604 SMC Pulse Register */ + u32 cycle; /* 0x608 SMC Cycle Register */ + u32 timings; /* 0x60C SMC Cycle Register */ + u32 mode; /* 0x610 SMC Mode Register */ +} at91_cs_t; + +typedef struct at91_smc { + at91_cs_t cs[4]; +} at91_smc_t; + +#endif /* __ASSEMBLY__ */ + +#define AT91_SMC_SETUP_NWE(x) (x & 0x3f) +#define AT91_SMC_SETUP_NCS_WR(x) ((x & 0x3f) << 8) +#define AT91_SMC_SETUP_NRD(x) ((x & 0x3f) << 16) +#define AT91_SMC_SETUP_NCS_RD(x) ((x & 0x3f) << 24) + +#define AT91_SMC_PULSE_NWE(x) (x & 0x3f) +#define AT91_SMC_PULSE_NCS_WR(x) ((x & 0x3f) << 8) +#define AT91_SMC_PULSE_NRD(x) ((x & 0x3f) << 16) +#define AT91_SMC_PULSE_NCS_RD(x) ((x & 0x3f) << 24) + +#define AT91_SMC_CYCLE_NWE(x) (x & 0x1ff) +#define AT91_SMC_CYCLE_NRD(x) ((x & 0x1ff) << 16) + +#define AT91_SMC_TIMINGS_TCLR(x) (x & 0xf) +#define AT91_SMC_TIMINGS_TADL(x) ((x & 0xf) << 4) +#define AT91_SMC_TIMINGS_TAR(x) ((x & 0xf) << 8) +#define AT91_SMC_TIMINGS_OCMS(x) ((x & 0x1) << 12) +#define AT91_SMC_TIMINGS_TRR(x) ((x & 0xf) << 16) +#define AT91_SMC_TIMINGS_TWB(x) ((x & 0xf) << 24) +#define AT91_SMC_TIMINGS_RBNSEL(x) ((x & 0xf) << 28) +#define AT91_SMC_TIMINGS_NFSEL(x) ((x & 0x1) << 31) + +#define AT91_SMC_MODE_RM_NCS 0x00000000 +#define AT91_SMC_MODE_RM_NRD 0x00000001 +#define AT91_SMC_MODE_WM_NCS 0x00000000 +#define AT91_SMC_MODE_WM_NWE 0x00000002 + +#define AT91_SMC_MODE_EXNW_DISABLE 0x00000000 +#define AT91_SMC_MODE_EXNW_FROZEN 0x00000020 +#define AT91_SMC_MODE_EXNW_READY 0x00000030 + +#define AT91_SMC_MODE_BAT 0x00000100 +#define AT91_SMC_MODE_DBW_8 0x00000000 +#define AT91_SMC_MODE_DBW_16 0x00001000 +#define AT91_SMC_MODE_DBW_32 0x00002000 +#define AT91_SMC_MODE_TDF_CYCLE(x) ((x & 0xf) << 16) +#define AT91_SMC_MODE_TDF 0x00100000 +#define AT91_SMC_MODE_PMEN 0x01000000 +#define AT91_SMC_MODE_PS_4 0x00000000 +#define AT91_SMC_MODE_PS_8 0x10000000 +#define AT91_SMC_MODE_PS_16 0x20000000 +#define AT91_SMC_MODE_PS_32 0x30000000 + +#ifdef CONFIG_AT91_LEGACY + +#define AT91_SMC_SETUP(n) (AT91_SMC + 0x00 + ((n)*0x10)) /* Setup Register for CS n */ +#define AT91_SMC_NWESETUP (0x3f << 0) /* NWE Setup Length */ +#define AT91_SMC_NWESETUP_(x) ((x) << 0) +#define AT91_SMC_NCS_WRSETUP (0x3f << 8) /* NCS Setup Length in Write Access */ +#define AT91_SMC_NCS_WRSETUP_(x) ((x) << 8) +#define AT91_SMC_NRDSETUP (0x3f << 16) /* NRD Setup Length */ +#define AT91_SMC_NRDSETUP_(x) ((x) << 16) +#define AT91_SMC_NCS_RDSETUP (0x3f << 24) /* NCS Setup Length in Read Access */ +#define AT91_SMC_NCS_RDSETUP_(x) ((x) << 24) + +#define AT91_SMC_PULSE(n) (AT91_SMC + 0x04 + ((n)*0x10)) /* Pulse Register for CS n */ +#define AT91_SMC_NWEPULSE (0x7f << 0) /* NWE Pulse Length */ +#define AT91_SMC_NWEPULSE_(x) ((x) << 0) +#define AT91_SMC_NCS_WRPULSE (0x7f << 8) /* NCS Pulse Length in Write Access */ +#define AT91_SMC_NCS_WRPULSE_(x)((x) << 8) +#define AT91_SMC_NRDPULSE (0x7f << 16) /* NRD Pulse Length */ +#define AT91_SMC_NRDPULSE_(x) ((x) << 16) +#define AT91_SMC_NCS_RDPULSE (0x7f << 24) /* NCS Pulse Length in Read Access */ +#define AT91_SMC_NCS_RDPULSE_(x)((x) << 24) + +#define AT91_SMC_CYCLE(n) (AT91_SMC + 0x08 + ((n)*0x10)) /* Cycle Register for CS n */ +#define AT91_SMC_NWECYCLE (0x1ff << 0 ) /* Total Write Cycle Length */ +#define AT91_SMC_NWECYCLE_(x) ((x) << 0) +#define AT91_SMC_NRDCYCLE (0x1ff << 16) /* Total Read Cycle Length */ +#define AT91_SMC_NRDCYCLE_(x) ((x) << 16) + +#define AT91_SMC_MODE(n) (AT91_SMC + 0x0c + ((n)*0x10)) /* Mode Register for CS n */ +#define AT91_SMC_READMODE (1 << 0) /* Read Mode */ +#define AT91_SMC_WRITEMODE (1 << 1) /* Write Mode */ +#define AT91_SMC_EXNWMODE (3 << 4) /* NWAIT Mode */ +#define AT91_SMC_EXNWMODE_DISABLE (0 << 4) +#define AT91_SMC_EXNWMODE_FROZEN (2 << 4) +#define AT91_SMC_EXNWMODE_READY (3 << 4) +#define AT91_SMC_BAT (1 << 8) /* Byte Access Type */ +#define AT91_SMC_BAT_SELECT (0 << 8) +#define AT91_SMC_BAT_WRITE (1 << 8) +#define AT91_SMC_DBW (3 << 12) /* Data Bus Width */ +#define AT91_SMC_DBW_8 (0 << 12) +#define AT91_SMC_DBW_16 (1 << 12) +#define AT91_SMC_DBW_32 (2 << 12) +#define AT91_SMC_TDF (0xf << 16) /* Data Float Time. */ +#define AT91_SMC_TDF_(x) ((x) << 16) +#define AT91_SMC_TDFMODE (1 << 20) /* TDF Optimization - Enabled */ +#define AT91_SMC_PMEN (1 << 24) /* Page Mode Enabled */ +#define AT91_SMC_PS (3 << 28) /* Page Size */ +#define AT91_SMC_PS_4 (0 << 28) +#define AT91_SMC_PS_8 (1 << 28) +#define AT91_SMC_PS_16 (2 << 28) +#define AT91_SMC_PS_32 (3 << 28) +#endif +#endif diff --git a/arch/arm/include/asm/arch-at91/clk.h b/arch/arm/include/asm/arch-at91/clk.h index 1e8522b839..bc43c0ca53 100644 --- a/arch/arm/include/asm/arch-at91/clk.h +++ b/arch/arm/include/asm/arch-at91/clk.h @@ -95,4 +95,5 @@ static inline unsigned long get_mci_clk_rate(void) } int at91_clock_init(unsigned long main_clock); +void at91_periph_clk_enable(int id); #endif /* __ASM_ARM_ARCH_CLK_H__ */ diff --git a/arch/arm/include/asm/arch-at91/hardware.h b/arch/arm/include/asm/arch-at91/hardware.h index 4c4ee703a6..dac322da1e 100644 --- a/arch/arm/include/asm/arch-at91/hardware.h +++ b/arch/arm/include/asm/arch-at91/hardware.h @@ -39,6 +39,8 @@ # include <asm/arch/at91sam9g45.h> #elif defined(CONFIG_AT91SAM9X5) # include <asm/arch/at91sam9x5.h> +#elif defined(CONFIG_AT91SAMA5) +# include <asm/arch/at91sama5.h> #elif defined(CONFIG_AT91CAP9) # include <asm/arch/at91cap9.h> #elif defined(CONFIG_AT91X40) diff --git a/arch/arm/include/asm/mach-types.h b/arch/arm/include/asm/mach-types.h index a676b6d905..ddbf238da1 100644 --- a/arch/arm/include/asm/mach-types.h +++ b/arch/arm/include/asm/mach-types.h @@ -987,6 +987,7 @@ extern unsigned int __machine_arch_type; #define MACH_TYPE_VIT_IBOX 3371 #define MACH_TYPE_DM6441_ESP 3372 #define MACH_TYPE_AT91SAM9X5EK 3373 +#define MACH_TYPE_AT91SAMA5EK 3373 #define MACH_TYPE_LIBRA 3374 #define MACH_TYPE_EASYCRRH 3375 #define MACH_TYPE_TRIPEL 3376 |