diff options
Diffstat (limited to 'src/cpu/samsung/exynos5250/lowlevel_init_c.c')
| -rw-r--r-- | src/cpu/samsung/exynos5250/lowlevel_init_c.c | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/src/cpu/samsung/exynos5250/lowlevel_init_c.c b/src/cpu/samsung/exynos5250/lowlevel_init_c.c deleted file mode 100644 index daa691f19e..0000000000 --- a/src/cpu/samsung/exynos5250/lowlevel_init_c.c +++ /dev/null @@ -1,133 +0,0 @@ -/* - * Lowlevel setup for SMDK5250 board based on S5PC520 - * - * Copyright (C) 2012 Samsung Electronics - * Copyright (c) 2012 The Chromium OS Authors. - * - * 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 - */ - -/* - * FIXME: This file is essentially the "bootblock" leftover from U-Boot. For - * now it serves as a reference until all the resume-related stuff is added - * to the appropriate bootblock/romstage/ramstage files in coreboot. - */ - -#include <common.h> -#include <config.h> -#include <cpu/samsung/exynos5-common/exynos5-common.h> -#include <cpu/samsung/exynos5-common/spl.h> -#include <cpu/samsung/exynos5250/clock_init.h> -#include <cpu/samsung/exynos5250/cpu.h> -#include <cpu/samsung/exynos5250/dmc.h> -#include <cpu/samsung/exynos5250/pinmux.h> -#include <cpu/samsung/exynos5250/power.h> -#include <cpu/samsung/exynos5250/setup.h> -#include <cpu/samsung/exynos5250/tzpc.h> -#include "setup.h" - -#include <console/console.h> - -void do_barriers(void); /* FIXME: make gcc shut up about "no previous prototype" */ - -void do_barriers(void) -{ - /* - * The reason we don't write out the instructions dsb/isb/sev: - * While ARM Cortex-A8 supports ARM v7 instruction set (-march=armv7a), - * we compile with -march=armv5 to allow more compilers to work. - * For U-Boot code this has no performance impact. - */ - __asm__ __volatile__( -#if defined(__thumb__) - ".hword 0xF3BF, 0x8F4F\n" /* dsb; darn -march=armv5 */ - ".hword 0xF3BF, 0x8F6F\n" /* isb; darn -march=armv5 */ - ".hword 0xBF40\n" /* sev; darn -march=armv5 */ -#else - ".word 0xF57FF04F\n" /* dsb; darn -march=armv5 */ - ".word 0xF57FF06F\n" /* isb; darn -march=armv5 */ - ".word 0xE320F004\n" /* sev; darn -march=armv5 */ -#endif - ); -} - -/* These are the things we can do during low-level init */ -enum { - DO_WAKEUP = 1 << 0, - DO_UART = 1 << 1, - DO_CLOCKS = 1 << 2, - DO_POWER = 1 << 3, -}; - -int lowlevel_init_subsystems(void) -{ -// uint32_t reset_status; - int actions = 0; - -// do_barriers(); - - /* Setup cpu info which is needed to select correct register offsets */ - cpu_info_init(); - -#if 0 - reset_status = power_read_reset_status(); - - switch (reset_status) { - case S5P_CHECK_SLEEP: - actions = DO_CLOCKS | DO_WAKEUP; - break; - case S5P_CHECK_DIDLE: - case S5P_CHECK_LPA: - actions = DO_WAKEUP; - default: - /* This is a normal boot (not a wake from sleep) */ - actions = DO_UART | DO_CLOCKS | DO_POWER; - } -#endif - - actions = DO_UART | DO_CLOCKS | DO_POWER; - if (actions & DO_POWER) - power_init(); - if (actions & DO_CLOCKS) - system_clock_init(); - if (actions & DO_UART) { - - /* Set up serial UART so we can printf() */ - /* FIXME(dhendrix): add a function for mapping - CONFIG_CONSOLE_SERIAL_UART_ADDRESS to PERIPH_ID_UARTn */ -// exynos_pinmux_config(EXYNOS_UART, PINMUX_FLAG_NONE); - exynos_pinmux_config(PERIPH_ID_UART3, PINMUX_FLAG_NONE); - - console_init(); - while (1) { - console_tx_byte('C'); - } - } - init_timer(); /* FIXME(dhendrix): was timer_init() */ - -#if 0 - if (actions & DO_CLOCKS) { - mem_ctrl_init(); - tzpc_init(); - } -#endif - -// return actions & DO_WAKEUP; - return 0; -} |