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author | Alexey Galakhov <agalakhov@gmail.com> | 2012-07-02 21:53:40 +0600 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-07-20 14:03:19 +0200 |
commit | 0358115f0c9923255179c52c9c43bb9c0879709f (patch) | |
tree | 9c8f1dfd0bb376e4406ed28a745c9ddef6ebe721 /arch/arm/boards/friendlyarm-tiny210 | |
parent | acca9e0c90e0725dfc8cc034997fe41ed27d9300 (diff) | |
download | barebox-0358115f0c9923255179c52c9c43bb9c0879709f.tar.gz barebox-0358115f0c9923255179c52c9c43bb9c0879709f.tar.xz |
Add FriendlyArm Tiny210 board (S5PV210)
Signed-off-by: Alexey Galakhov <agalakhov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/boards/friendlyarm-tiny210')
-rw-r--r-- | arch/arm/boards/friendlyarm-tiny210/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/boards/friendlyarm-tiny210/config.h | 19 | ||||
-rw-r--r-- | arch/arm/boards/friendlyarm-tiny210/lowlevel.c | 72 | ||||
-rw-r--r-- | arch/arm/boards/friendlyarm-tiny210/tiny210.c | 113 |
4 files changed, 205 insertions, 0 deletions
diff --git a/arch/arm/boards/friendlyarm-tiny210/Makefile b/arch/arm/boards/friendlyarm-tiny210/Makefile new file mode 100644 index 0000000000..9c38e6038b --- /dev/null +++ b/arch/arm/boards/friendlyarm-tiny210/Makefile @@ -0,0 +1 @@ +obj-y += tiny210.o lowlevel.o diff --git a/arch/arm/boards/friendlyarm-tiny210/config.h b/arch/arm/boards/friendlyarm-tiny210/config.h new file mode 100644 index 0000000000..86aedf0a64 --- /dev/null +++ b/arch/arm/boards/friendlyarm-tiny210/config.h @@ -0,0 +1,19 @@ +#define S5PCXX_CLOCK_REFERENCE 24000000 + +#define set_pll(mdiv, pdiv, sdiv) (1<<31 | mdiv<<16 | pdiv<<8 | sdiv) + +#define BOARD_APLL_VAL set_pll(0x7d, 0x3, 0x1) +#define BOARD_MPLL_VAL set_pll(0x29b, 0xc, 0x1) +#define BOARD_EPLL_VAL set_pll(0x60, 0x6, 0x2) +#define BOARD_VPLL_VAL set_pll(0x6c, 0x6, 0x3) + +#define BOARD_CLK_DIV0_MASK 0xFFFFFFFF +#define BOARD_CLK_DIV0_VAL 0x14131440 +#define BOARD_APLL_LOCKTIME 0x2cf + +#define S5P_DRAM_WR 3 +#define S5P_DRAM_CAS 4 +#define DMC_TIMING_AREF 0x00000618 +#define DMC_TIMING_ROW 0x2B34438A +#define DMC_TIMING_DATA 0x24240000 +#define DMC_TIMING_PWR 0x0BDC0343 diff --git a/arch/arm/boards/friendlyarm-tiny210/lowlevel.c b/arch/arm/boards/friendlyarm-tiny210/lowlevel.c new file mode 100644 index 0000000000..19739d8456 --- /dev/null +++ b/arch/arm/boards/friendlyarm-tiny210/lowlevel.c @@ -0,0 +1,72 @@ +/* + * Copyright (C) 2012 Alexey Galakhov + * + * 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 + * version 2 as published by the Free Software Foundation. + * + * 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 <common.h> +#include <init.h> +#include <io.h> +#include <asm/barebox-arm.h> +#include <asm/sections.h> +#include <mach/s3c-iomap.h> +#include <mach/s3c-clocks.h> +#include <mach/s3c-generic.h> + +/* + * iROM boot from MMC + * TODO: replace this by native boot + */ + +#define ADDR_V210_SDMMC_BASE 0xD0037488 +#define ADDR_CopySDMMCtoMem 0xD0037F98 + +int __bare_init s5p_irom_load_mmc(void *dest, uint32_t start_block, uint16_t block_count) +{ + typedef uint32_t (*func_t) (int32_t, uint32_t, uint16_t, uint32_t*, int8_t); + uint32_t chbase = readl(ADDR_V210_SDMMC_BASE); + func_t func = (func_t)readl(ADDR_CopySDMMCtoMem); + int chan = (chbase - 0xEB000000) >> 20; + if (chan != 0 && chan != 2) + return 0; + return func(chan, start_block, block_count, (uint32_t*)dest, 0) ? 1 : 0; +} + + +void __bare_init board_init_lowlevel(void) +{ + uint32_t r; + +#ifdef CONFIG_S3C_PLL_INIT + s5p_init_pll(); +#endif + + if (get_pc() < 0xD0000000) /* Are we running from iRAM? */ + return; /* No, we don't. */ + + s5p_init_dram_bank_ddr2(S5P_DMC0_BASE, 0x20E00323, 0, 0); + + if (! s5p_irom_load_mmc((void*)TEXT_BASE - 16, 1, (barebox_image_size + 16 + 511) / 512)) + while (1) { } /* hang */ + + /* Jump to SDRAM */ + r = (unsigned)TEXT_BASE; + __asm__ __volatile__("mov pc, %0" : : "r"(r)); + while (1) { } /* hang */ +} diff --git a/arch/arm/boards/friendlyarm-tiny210/tiny210.c b/arch/arm/boards/friendlyarm-tiny210/tiny210.c new file mode 100644 index 0000000000..1277649373 --- /dev/null +++ b/arch/arm/boards/friendlyarm-tiny210/tiny210.c @@ -0,0 +1,113 @@ +/* + * Copyright (C) 2012 Alexey Galakhov + * Based on Mini6410 code by Juergen Beisert + * + * Copyright (C) 2012 Juergen Beisert, Pengutronix + * + * In some ways inspired by code + * + * (C) Copyright 2002 + * Sysgo Real-Time Solutions, GmbH <www.elinos.com> + * Marius Groeger <mgroeger@sysgo.de> + * + * (C) Copyright 2002 + * David Mueller, ELSOFT AG, <d.mueller@elsoft.ch> + * + * 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 <driver.h> +#include <init.h> +#include <sizes.h> +#include <generated/mach-types.h> +#include <dm9000.h> +#include <gpio.h> +#include <led.h> +#include <io.h> +#include <nand.h> +#include <asm/armlinux.h> +#include <mach/s3c-iomap.h> +#include <mach/s3c-clocks.h> +#include <mach/s3c-generic.h> + + +static const unsigned pin_usage[] = { + /* TODO */ +}; + +static struct gpio_led leds[] = { + { + .gpio = GPJ20, + .led = { + .name = "led1", + } + }, { + .gpio = GPJ21, + .led = { + .name = "led2", + } + }, { + .gpio = GPJ22, + .led = { + .name = "led3", + } + }, { + .gpio = GPJ23, + .led = { + .name = "led4", + } + } +}; + +static int tiny210_mem_init(void) +{ + arm_add_mem_device("ram0", S3C_SDRAM_BASE, s5p_get_memory_size()); + return 0; +} +mem_initcall(tiny210_mem_init); + +static int tiny210_console_init(void) +{ + /* + * configure the UART1 right now, as barebox will + * start to send data immediately + */ + s3c_gpio_mode(GPA00_RXD0 | ENABLE_PU); + s3c_gpio_mode(GPA01_TXD0); + s3c_gpio_mode(GPA02_NCTS0 | ENABLE_PU); + s3c_gpio_mode(GPA03_NRTS0); + + add_generic_device("s3c_serial", -1, NULL, + S3C_UART1_BASE, S3C_UART1_SIZE, + IORESOURCE_MEM, NULL); + return 0; +} +console_initcall(tiny210_console_init); + +static int tiny210_devices_init(void) +{ + int i; + for (i = 0; i < ARRAY_SIZE(pin_usage); i++) + s3c_gpio_mode(pin_usage[i]); + + for (i = 0; i < ARRAY_SIZE(leds); i++) { + leds[i].active_low = 1; + gpio_direction_output(leds[i].gpio, leds[i].active_low); + led_gpio_register(&leds[i]); + } + + armlinux_set_bootparams((void*)S3C_SDRAM_BASE + 0x100); + armlinux_set_architecture(MACH_TYPE_MINI210); + + return 0; +} +device_initcall(tiny210_devices_init); |