85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
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/* linux/arch/arm/mach-s5pv310/mach-universal_c210.c
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*
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* Copyright (c) 2010 Samsung Electronics Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/serial_core.h>
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#include <asm/mach/arch.h>
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#include <asm/mach-types.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <plat/regs-serial.h>
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#include <plat/s5pv310.h>
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#include <plat/cpu.h>
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#include <mach/map.h>
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/* Following are default values for UCON, ULCON and UFCON UART registers */
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#define UNIVERSAL_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
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S3C2410_UCON_RXILEVEL | \
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S3C2410_UCON_TXIRQMODE | \
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S3C2410_UCON_RXIRQMODE | \
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S3C2410_UCON_RXFIFO_TOI | \
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S3C2443_UCON_RXERR_IRQEN)
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#define UNIVERSAL_ULCON_DEFAULT S3C2410_LCON_CS8
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#define UNIVERSAL_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
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S5PV210_UFCON_TXTRIG256 | \
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S5PV210_UFCON_RXTRIG256)
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static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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[1] = {
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.hwport = 1,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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[2] = {
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.hwport = 2,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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[3] = {
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.hwport = 3,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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};
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static void __init universal_map_io(void)
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{
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s5p_init_io(NULL, 0, S5P_VA_CHIPID);
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s3c24xx_init_clocks(24000000);
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s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
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}
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static void __init universal_machine_init(void)
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{
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#ifdef CONFIG_CACHE_L2X0
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l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
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#endif
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}
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MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
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/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
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.boot_params = S5P_PA_SDRAM + 0x100,
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.init_irq = s5pv310_init_irq,
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.map_io = universal_map_io,
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.init_machine = universal_machine_init,
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.timer = &s5pv310_timer,
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MACHINE_END
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