diff options
Diffstat (limited to 'arch/arm/boards/friendlyarm-tiny210')
| -rw-r--r-- | arch/arm/boards/friendlyarm-tiny210/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/boards/friendlyarm-tiny210/config.h | 19 | ||||
| -rw-r--r-- | arch/arm/boards/friendlyarm-tiny210/lowlevel.c | 100 | ||||
| -rw-r--r-- | arch/arm/boards/friendlyarm-tiny210/tiny210.c | 102 |
4 files changed, 0 insertions, 223 deletions
diff --git a/arch/arm/boards/friendlyarm-tiny210/Makefile b/arch/arm/boards/friendlyarm-tiny210/Makefile deleted file mode 100644 index 7deb178739..0000000000 --- a/arch/arm/boards/friendlyarm-tiny210/Makefile +++ /dev/null @@ -1,2 +0,0 @@ -obj-y += tiny210.o -lwl-y += lowlevel.o diff --git a/arch/arm/boards/friendlyarm-tiny210/config.h b/arch/arm/boards/friendlyarm-tiny210/config.h deleted file mode 100644 index 86aedf0a64..0000000000 --- a/arch/arm/boards/friendlyarm-tiny210/config.h +++ /dev/null @@ -1,19 +0,0 @@ -#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 deleted file mode 100644 index d79661b222..0000000000 --- a/arch/arm/boards/friendlyarm-tiny210/lowlevel.c +++ /dev/null @@ -1,100 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -// SPDX-FileCopyrightText: 2012 Alexey Galakhov - -#include <config.h> -#include <common.h> -#include <init.h> -#include <io.h> -#include <linux/sizes.h> -#include <asm/barebox-arm.h> -#include <asm/barebox-arm-head.h> -#include <asm/sections.h> -#include <mach/s3c-iomap.h> -#include <mach/s3c-clocks.h> -#include <mach/s3c-generic.h> - -#define IRAM_CODE_BASE 0xD0020010 - -/* Tiny210 has 4 leds numbered from 0 to 3 at GPJ2 */ -static inline void __bare_init debug_led(int led, bool state) -{ - uint32_t r; - /* GPJ2CON: mode 0001=output */ - r = readl(0xE0200280); - r &= ~(0xF << (4 * led)); - r |= (0x1 << (4 * led)); - writel(r, 0xE0200280); - /* GPJ2DAT: active low */ - r = readl(0xE0200284); - r &= ~(1 << led); - r |= (state ? 0 : 1) << led; - writel(r, 0xE0200284); -} - -/* - * iROM boot from MMC - * TODO: replace this by native boot - */ - -#define ADDR_V210_SDMMC_BASE 0xD0037488 -#define ADDR_CopySDMMCtoMem 0xD0037F98 - -static 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; -} - -static __bare_init __naked void jump_sdram(unsigned long offset) -{ - __asm__ __volatile__ ( - "sub lr, lr, %0;" - "mov pc, lr;" : : "r"(offset) - ); -} - -static __bare_init bool load_stage2(void *dest, size_t size) -{ - /* TODO add other ways to boot */ - return s5p_irom_load_mmc(dest, 1, (size+ 511) / 512); -} - -void __bare_init barebox_arm_reset_vector(uint32_t r0, uint32_t r1, uint32_t r2) -{ - arm_cpu_lowlevel_init(); - -#ifdef CONFIG_S3C_PLL_INIT - s5p_init_pll(); -#endif - - debug_led(0, 1); - - if (get_pc() < IRAM_CODE_BASE) /* Are we running from iRAM? */ - /* No, we don't. */ - goto boot; - - s5p_init_dram_bank_ddr2(S5P_DMC0_BASE, 0x20E00323, 0, 0); - - debug_led(1, 1); - - if (! load_stage2((void*)(_text - 16), - barebox_image_size + 16)) { - debug_led(3, 1); - while (1) { } /* hang */ - } - - debug_led(2, 1); - - jump_sdram(IRAM_CODE_BASE - (unsigned long)_text); - - debug_led(1, 0); - -boot: - barebox_arm_entry(S3C_SDRAM_BASE, SZ_256M, NULL); -} diff --git a/arch/arm/boards/friendlyarm-tiny210/tiny210.c b/arch/arm/boards/friendlyarm-tiny210/tiny210.c deleted file mode 100644 index c47f488207..0000000000 --- a/arch/arm/boards/friendlyarm-tiny210/tiny210.c +++ /dev/null @@ -1,102 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later - -/* - * 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> - */ - -#include <common.h> -#include <driver.h> -#include <init.h> -#include <linux/sizes.h> -#include <generated/mach-types.h> -#include <gpio.h> -#include <led.h> -#include <io.h> -#include <nand.h> -#include <asm/armlinux.h> -#include <mach/iomux.h> -#include <mach/s3c-iomap.h> -#include <mach/s3c-clocks.h> -#include <mach/s3c-generic.h> - -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); - - barebox_set_model("Friendlyarm tiny210"); - barebox_set_hostname("tiny210"); - - add_generic_device("s3c_serial", DEVICE_ID_DYNAMIC, 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(leds); i++) { - leds[i].active_low = 1; - gpio_direction_output(leds[i].gpio, leds[i].active_low); - led_gpio_register(&leds[i]); - } - - led_set_trigger(LED_TRIGGER_HEARTBEAT, &leds[0].led); - - armlinux_set_architecture(MACH_TYPE_MINI210); - - return 0; -} -device_initcall(tiny210_devices_init); |