From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-lb0-f177.google.com ([209.85.217.177]) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1SXY5F-0003gy-T0 for barebox@lists.infradead.org; Thu, 24 May 2012 13:28:07 +0000 Received: by mail-lb0-f177.google.com with SMTP id gg6so7416799lbb.36 for ; Thu, 24 May 2012 06:28:05 -0700 (PDT) From: Alexey Galakhov Date: Thu, 24 May 2012 19:27:45 +0600 Message-Id: <1337866065-6775-3-git-send-email-agalakhov@gmail.com> In-Reply-To: <1337866065-6775-1-git-send-email-agalakhov@gmail.com> References: <1337866065-6775-1-git-send-email-agalakhov@gmail.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 2/2] Add FriendlyArm Tiny210 board (S5PV210) To: barebox@lists.infradead.org Cc: Alexey Galakhov Signed-off-by: Alexey Galakhov --- arch/arm/Makefile | 1 + arch/arm/boards/tiny210/Makefile | 1 + arch/arm/boards/tiny210/config.h | 19 ++++++ arch/arm/boards/tiny210/lowlevel.c | 76 ++++++++++++++++++++++++ arch/arm/boards/tiny210/tiny210.c | 113 ++++++++++++++++++++++++++++++++++++ arch/arm/configs/tiny210_defconfig | 17 ++++++ arch/arm/mach-samsung/Kconfig | 7 +++ 7 files changed, 234 insertions(+) create mode 100644 arch/arm/boards/tiny210/Makefile create mode 100644 arch/arm/boards/tiny210/config.h create mode 100644 arch/arm/boards/tiny210/lowlevel.c create mode 100644 arch/arm/boards/tiny210/tiny210.c create mode 100644 arch/arm/configs/tiny210_defconfig diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 40291aa..fc29aca 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -133,6 +133,7 @@ board-$(CONFIG_MACH_TX25) := karo-tx25 board-$(CONFIG_MACH_TQMA53) := tqma53 board-$(CONFIG_MACH_TX51) := karo-tx51 board-$(CONFIG_MACH_MX6Q_ARM2) := freescale-mx6-arm2 +board-$(CONFIG_MACH_TINY210) := tiny210 machdirs := $(patsubst %,arch/arm/mach-%/,$(machine-y)) diff --git a/arch/arm/boards/tiny210/Makefile b/arch/arm/boards/tiny210/Makefile new file mode 100644 index 0000000..9c38e60 --- /dev/null +++ b/arch/arm/boards/tiny210/Makefile @@ -0,0 +1 @@ +obj-y += tiny210.o lowlevel.o diff --git a/arch/arm/boards/tiny210/config.h b/arch/arm/boards/tiny210/config.h new file mode 100644 index 0000000..86aedf0 --- /dev/null +++ b/arch/arm/boards/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/tiny210/lowlevel.c b/arch/arm/boards/tiny210/lowlevel.c new file mode 100644 index 0000000..9929f75 --- /dev/null +++ b/arch/arm/boards/tiny210/lowlevel.c @@ -0,0 +1,76 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * iROM boot from MMC + * TODO: replace this by native boot + */ + +#define ADDR_V210_SDMMC_BASE 0xD0037488 +#define ADDR_CopySDMMCtoMem 0xD0037F98 + +#define RR(x) (*(volatile uint32_t*)(x)) + +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 = RR(ADDR_V210_SDMMC_BASE); + func_t func = (func_t)RR(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. */ + +#ifdef CONFIG_S3C_SDRAM_INIT + s5p_init_dram_bank_ddr2(S5P_DMC0_BASE, 0x20E00323, 0, 0); +#endif + + 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/tiny210/tiny210.c b/arch/arm/boards/tiny210/tiny210.c new file mode 100644 index 0000000..1277649 --- /dev/null +++ b/arch/arm/boards/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 + * Marius Groeger + * + * (C) Copyright 2002 + * David Mueller, ELSOFT AG, + * + * 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 +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + + +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); diff --git a/arch/arm/configs/tiny210_defconfig b/arch/arm/configs/tiny210_defconfig new file mode 100644 index 0000000..e9708bf --- /dev/null +++ b/arch/arm/configs/tiny210_defconfig @@ -0,0 +1,17 @@ +CONFIG_ARCH_S5PCxx=y +CONFIG_CPU_V7=y +CONFIG_CPU_32v7=y +CONFIG_BOARDINFO="Tiny 210" +CONFIG_ARCH_BAREBOX_MAX_BARE_INIT_SIZE=0x1ff0 +CONFIG_ARCH_SAMSUNG=y +CONFIG_CPU_S5PV210=y +CONFIG_MACH_TINY210=y +CONFIG_S3C_LOWLEVEL_INIT=y +CONFIG_S3C_PLL_INIT=y +CONFIG_S3C_SDRAM_INIT=y +CONFIG_CMD_LED=y +CONFIG_CMD_LED_TRIGGER=y +CONFIG_DRIVER_SERIAL_S3C=y +CONFIG_LED=y +CONFIG_LED_GPIO=y +CONFIG_LED_TRIGGERS=y diff --git a/arch/arm/mach-samsung/Kconfig b/arch/arm/mach-samsung/Kconfig index 65e2acb..a123854 100644 --- a/arch/arm/mach-samsung/Kconfig +++ b/arch/arm/mach-samsung/Kconfig @@ -8,11 +8,13 @@ config ARCH_TEXT_BASE default 0x31fc0000 if MACH_MINI2440 default 0x31fc0000 if MACH_A9M2440 default 0x31fc0000 if MACH_A9M2410 + default 0x23e00000 if MACH_TINY210 config BOARDINFO default "Mini 2440" if MACH_MINI2440 default "Digi A9M2440" if MACH_A9M2440 default "Digi A9M2410" if MACH_A9M2410 + default "Tiny 210" if MACH_TINY210 config ARCH_BAREBOX_MAX_BARE_INIT_SIZE hex @@ -96,6 +98,11 @@ choice prompt "S5PCxx board type" +config MACH_TINY210 + bool "Tiny 210" + select CPU_S5PV210 + select MACH_HAS_LOWLEVEL_INIT + select MACH_DO_LOWLEVEL_INIT endchoice -- 1.7.10 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox