[PATCH 2/2] Add FriendlyArm Tiny210 board (S5PV210)
Alexey Galakhov
agalakhov at gmail.com
Thu May 24 09:27:45 EDT 2012
Signed-off-by: Alexey Galakhov <agalakhov at gmail.com>
---
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 <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
+
+#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 <www.elinos.com>
+ * Marius Groeger <mgroeger at sysgo.de>
+ *
+ * (C) Copyright 2002
+ * David Mueller, ELSOFT AG, <d.mueller at 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);
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
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