mirror of
https://github.com/AsahiLinux/u-boot
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arm926ejs: add NXP LPC32x0 cpu series support
This change adds initial support for NXP LPC32x0 SoC series. Signed-off-by: Vladimir Zapolskiy <vz@mleia.com> Cc: Albert ARIBAUD <albert.u.boot@aribaud.net> Acked-by: Marek Vasut <marek.vasut@gmail.com>
This commit is contained in:
parent
5f2e142527
commit
52f69f818c
13 changed files with 985 additions and 0 deletions
45
arch/arm/cpu/arm926ejs/lpc32xx/Makefile
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45
arch/arm/cpu/arm926ejs/lpc32xx/Makefile
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@ -0,0 +1,45 @@
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#
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# (C) Copyright 2000-2006
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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# project.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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include $(TOPDIR)/config.mk
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LIB = $(obj)lib$(SOC).o
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COBJS = cpu.o clk.o devices.o timer.o
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SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
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all: $(obj).depend $(LIB)
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$(LIB): $(OBJS)
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$(call cmd_link_o_target, $(OBJS))
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk
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sinclude $(obj).depend
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#########################################################################
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117
arch/arm/cpu/arm926ejs/lpc32xx/clk.c
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117
arch/arm/cpu/arm926ejs/lpc32xx/clk.c
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@ -0,0 +1,117 @@
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/*
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* Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <common.h>
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#include <div64.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/clk.h>
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#include <asm/io.h>
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static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
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unsigned int get_sys_clk_rate(void)
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{
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if (readl(&clk->sysclk_ctrl) & CLK_SYSCLK_PLL397)
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return RTC_CLK_FREQUENCY * 397;
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else
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return OSC_CLK_FREQUENCY;
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}
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unsigned int get_hclk_pll_rate(void)
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{
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unsigned long long fin, fref, fcco, fout;
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u32 val, m_div, n_div, p_div;
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/*
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* Valid frequency ranges:
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* 1 * 10^6 <= Fin <= 20 * 10^6
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* 1 * 10^6 <= Fref <= 27 * 10^6
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* 156 * 10^6 <= Fcco <= 320 * 10^6
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*/
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fref = fin = get_sys_clk_rate();
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if (fin > 20000000ULL || fin < 1000000ULL)
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return 0;
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val = readl(&clk->hclkpll_ctrl);
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m_div = ((val & CLK_HCLK_PLL_FEEDBACK_DIV_MASK) >> 1) + 1;
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n_div = ((val & CLK_HCLK_PLL_PREDIV_MASK) >> 9) + 1;
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if (val & CLK_HCLK_PLL_DIRECT)
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p_div = 0;
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else
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p_div = ((val & CLK_HCLK_PLL_POSTDIV_MASK) >> 11) + 1;
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p_div = 1 << p_div;
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if (val & CLK_HCLK_PLL_BYPASS) {
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do_div(fin, p_div);
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return fin;
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}
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do_div(fref, n_div);
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if (fref > 27000000ULL || fref < 1000000ULL)
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return 0;
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fout = fref * m_div;
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if (val & CLK_HCLK_PLL_FEEDBACK) {
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fcco = fout;
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do_div(fout, p_div);
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} else
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fcco = fout * p_div;
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if (fcco > 320000000ULL || fcco < 156000000ULL)
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return 0;
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return fout;
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}
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unsigned int get_hclk_clk_div(void)
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{
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u32 val;
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val = readl(&clk->hclkdiv_ctrl) & CLK_HCLK_ARM_PLL_DIV_MASK;
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return 1 << val;
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}
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unsigned int get_hclk_clk_rate(void)
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{
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return get_hclk_pll_rate() / get_hclk_clk_div();
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}
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unsigned int get_periph_clk_div(void)
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{
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u32 val;
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val = readl(&clk->hclkdiv_ctrl) & CLK_HCLK_PERIPH_DIV_MASK;
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return (val >> 2) + 1;
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}
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unsigned int get_periph_clk_rate(void)
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{
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if (!(readl(&clk->pwr_ctrl) & CLK_PWR_NORMAL_RUN))
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return get_sys_clk_rate();
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return get_hclk_pll_rate() / get_periph_clk_div();
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}
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int get_serial_clock(void)
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{
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return get_periph_clk_rate();
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}
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70
arch/arm/cpu/arm926ejs/lpc32xx/cpu.c
Normal file
70
arch/arm/cpu/arm926ejs/lpc32xx/cpu.c
Normal file
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@ -0,0 +1,70 @@
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/*
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* Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
|
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <common.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/clk.h>
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#include <asm/arch/wdt.h>
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#include <asm/io.h>
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static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
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static struct wdt_regs *wdt = (struct wdt_regs *)WDT_BASE;
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void reset_cpu(ulong addr)
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{
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/* Enable watchdog clock */
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setbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG);
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/* Reset pulse length is 13005 peripheral clock frames */
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writel(13000, &wdt->pulse);
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/* Force WDOG_RESET2 and RESOUT_N signal active */
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writel(WDTIM_MCTRL_RESFRC2 | WDTIM_MCTRL_RESFRC1 | WDTIM_MCTRL_M_RES2,
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&wdt->mctrl);
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while (1)
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/* NOP */;
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}
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#if defined(CONFIG_ARCH_CPU_INIT)
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int arch_cpu_init(void)
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{
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/*
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* It might be necessary to flush data cache, if U-boot is loaded
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* from kickstart bootloader, e.g. from S1L loader
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*/
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flush_dcache_all();
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return 0;
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}
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#else
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#error "You have to select CONFIG_ARCH_CPU_INIT"
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#endif
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#if defined(CONFIG_DISPLAY_CPUINFO)
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int print_cpuinfo(void)
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{
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printf("CPU: NXP LPC32XX\n");
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printf("CPU clock: %uMHz\n", get_hclk_pll_rate() / 1000000);
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printf("AHB bus clock: %uMHz\n", get_hclk_clk_rate() / 1000000);
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printf("Peripheral clock: %uMHz\n", get_periph_clk_rate() / 1000000);
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return 0;
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}
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#endif
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52
arch/arm/cpu/arm926ejs/lpc32xx/devices.c
Normal file
52
arch/arm/cpu/arm926ejs/lpc32xx/devices.c
Normal file
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/*
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* Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
|
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* 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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <common.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/clk.h>
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#include <asm/arch/uart.h>
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#include <asm/io.h>
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static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
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static struct uart_ctrl_regs *ctrl = (struct uart_ctrl_regs *)UART_CTRL_BASE;
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void lpc32xx_uart_init(unsigned int uart_id)
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{
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if (uart_id < 1 || uart_id > 7)
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return;
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/* Disable loopback mode, if it is set by S1L bootloader */
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clrbits_le32(&ctrl->loop,
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UART_LOOPBACK(CONFIG_SYS_LPC32XX_UART));
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if (uart_id < 3 || uart_id > 6)
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return;
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/* Enable UART system clock */
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setbits_le32(&clk->uartclk_ctrl, CLK_UART(uart_id));
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/* Set UART into autoclock mode */
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clrsetbits_le32(&ctrl->clkmode,
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UART_CLKMODE_MASK(uart_id),
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UART_CLKMODE_AUTO(uart_id));
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/* Bypass pre-divider of UART clock */
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writel(CLK_UART_X_DIV(1) | CLK_UART_Y_DIV(1),
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&clk->u3clk + (uart_id - 3));
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}
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95
arch/arm/cpu/arm926ejs/lpc32xx/timer.c
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95
arch/arm/cpu/arm926ejs/lpc32xx/timer.c
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/*
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* Copyright (C) 2011 Vladimir Zapolskiy <vz@mleia.com>
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*
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* 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.
|
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*
|
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* 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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <common.h>
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#include <asm/arch/cpu.h>
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#include <asm/arch/clk.h>
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#include <asm/arch/timer.h>
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#include <asm/io.h>
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static struct timer_regs *timer0 = (struct timer_regs *)TIMER0_BASE;
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static struct timer_regs *timer1 = (struct timer_regs *)TIMER1_BASE;
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static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
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static void lpc32xx_timer_clock(u32 bit, int enable)
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{
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if (enable)
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setbits_le32(&clk->timclk_ctrl1, bit);
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else
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clrbits_le32(&clk->timclk_ctrl1, bit);
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}
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static void lpc32xx_timer_reset(struct timer_regs *timer, u32 freq)
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{
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writel(TIMER_TCR_COUNTER_RESET, &timer->tcr);
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writel(TIMER_TCR_COUNTER_DISABLE, &timer->tcr);
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writel(0, &timer->tc);
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writel(0, &timer->pr);
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/* Count mode is every rising PCLK edge */
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writel(TIMER_CTCR_MODE_TIMER, &timer->ctcr);
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/* Set prescale counter value */
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writel((get_periph_clk_rate() / freq) - 1, &timer->pr);
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}
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static void lpc32xx_timer_count(struct timer_regs *timer, int enable)
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{
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if (enable)
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writel(TIMER_TCR_COUNTER_ENABLE, &timer->tcr);
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else
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writel(TIMER_TCR_COUNTER_DISABLE, &timer->tcr);
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}
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int timer_init(void)
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{
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lpc32xx_timer_clock(CLK_TIMCLK_TIMER0, 1);
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lpc32xx_timer_reset(timer0, CONFIG_SYS_HZ);
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lpc32xx_timer_count(timer0, 1);
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return 0;
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}
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ulong get_timer(ulong base)
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{
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return readl(&timer0->tc) - base;
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}
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void __udelay(unsigned long usec)
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{
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lpc32xx_timer_clock(CLK_TIMCLK_TIMER1, 1);
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lpc32xx_timer_reset(timer1, CONFIG_SYS_HZ * 1000);
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lpc32xx_timer_count(timer1, 1);
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while (readl(&timer1->tc) < usec)
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/* NOP */;
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lpc32xx_timer_count(timer1, 0);
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lpc32xx_timer_clock(CLK_TIMCLK_TIMER1, 0);
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}
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unsigned long long get_ticks(void)
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{
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return get_timer(0);
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}
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ulong get_tbclk(void)
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{
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return CONFIG_SYS_HZ;
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}
|
170
arch/arm/include/asm/arch-lpc32xx/clk.h
Normal file
170
arch/arm/include/asm/arch-lpc32xx/clk.h
Normal file
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|
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/*
|
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* Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
|
||||
*
|
||||
* 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., 51 Franklin Street, Fifth Floor, Boston,
|
||||
* MA 02110-1301, USA.
|
||||
*/
|
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|
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#ifndef _LPC32XX_CLK_H
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#define _LPC32XX_CLK_H
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#include <asm/types.h>
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#define OSC_CLK_FREQUENCY 13000000
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#define RTC_CLK_FREQUENCY 32768
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/* Clocking and Power Control Registers */
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struct clk_pm_regs {
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u32 reserved0[5];
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u32 boot_map; /* Boot Map Control Register */
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u32 p0_intr_er; /* Port 0/1 Start and Interrupt Enable */
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u32 usbdiv_ctrl; /* USB Clock Pre-Divide Register */
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/* Internal Start Signal Sources Registers */
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u32 start_er_int; /* Start Enable Register */
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u32 start_rsr_int; /* Start Raw Status Register */
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u32 start_sr_int; /* Start Status Register */
|
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u32 start_apr_int; /* Start Activation Polarity Register */
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/* Device Pin Start Signal Sources Registers */
|
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u32 start_er_pin; /* Start Enable Register */
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u32 start_rsr_pin; /* Start Raw Status Register */
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u32 start_sr_pin; /* Start Status Register */
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u32 start_apr_pin; /* Start Activation Polarity Register */
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/* Clock Control Registers */
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u32 hclkdiv_ctrl; /* HCLK Divider Control Register */
|
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u32 pwr_ctrl; /* Power Control Register */
|
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u32 pll397_ctrl; /* PLL397 Control Register */
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u32 osc_ctrl; /* Main Oscillator Control Register */
|
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u32 sysclk_ctrl; /* SYSCLK Control Register */
|
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u32 lcdclk_ctrl; /* LCD Clock Control Register */
|
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u32 hclkpll_ctrl; /* HCLK PLL Control Register */
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u32 reserved1;
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u32 adclk_ctrl1; /* ADC Clock Control1 Register */
|
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u32 usb_ctrl; /* USB Control Register */
|
||||
u32 sdramclk_ctrl; /* SDRAM Clock Control Register */
|
||||
u32 ddr_lap_nom; /* DDR Calibration Nominal Value */
|
||||
u32 ddr_lap_count; /* DDR Calibration Measured Value */
|
||||
u32 ddr_cal_delay; /* DDR Calibration Delay Value */
|
||||
u32 ssp_ctrl; /* SSP Control Register */
|
||||
u32 i2s_ctrl; /* I2S Clock Control Register */
|
||||
u32 ms_ctrl; /* Memory Card Control Register */
|
||||
u32 reserved2[3];
|
||||
u32 macclk_ctrl; /* Ethernet MAC Clock Control Register */
|
||||
u32 reserved3[4];
|
||||
u32 test_clk; /* Test Clock Selection Register */
|
||||
u32 sw_int; /* Software Interrupt Register */
|
||||
u32 i2cclk_ctrl; /* I2C Clock Control Register */
|
||||
u32 keyclk_ctrl; /* Keyboard Scan Clock Control Register */
|
||||
u32 adclk_ctrl; /* ADC Clock Control Register */
|
||||
u32 pwmclk_ctrl; /* PWM Clock Control Register */
|
||||
u32 timclk_ctrl; /* Watchdog and Highspeed Timer Control */
|
||||
u32 timclk_ctrl1; /* Motor and Timer Clock Control */
|
||||
u32 spi_ctrl; /* SPI Control Register */
|
||||
u32 flashclk_ctrl; /* NAND Flash Clock Control Register */
|
||||
u32 reserved4;
|
||||
u32 u3clk; /* UART 3 Clock Control Register */
|
||||
u32 u4clk; /* UART 4 Clock Control Register */
|
||||
u32 u5clk; /* UART 5 Clock Control Register */
|
||||
u32 u6clk; /* UART 6 Clock Control Register */
|
||||
u32 irdaclk; /* IrDA Clock Control Register */
|
||||
u32 uartclk_ctrl; /* UART Clock Control Register */
|
||||
u32 dmaclk_ctrl; /* DMA Clock Control Register */
|
||||
u32 autoclk_ctrl; /* Autoclock Control Register */
|
||||
};
|
||||
|
||||
/* HCLK Divider Control Register bits */
|
||||
#define CLK_HCLK_DDRAM_HALF (0x2 << 7)
|
||||
#define CLK_HCLK_DDRAM_NOMINAL (0x1 << 7)
|
||||
#define CLK_HCLK_DDRAM_STOPPED (0x0 << 7)
|
||||
#define CLK_HCLK_PERIPH_DIV_MASK (0x1F << 2)
|
||||
#define CLK_HCLK_PERIPH_DIV(n) ((((n) - 1) & 0x1F) << 2)
|
||||
#define CLK_HCLK_ARM_PLL_DIV_MASK (0x3 << 0)
|
||||
#define CLK_HCLK_ARM_PLL_DIV_4 (0x2 << 0)
|
||||
#define CLK_HCLK_ARM_PLL_DIV_2 (0x1 << 0)
|
||||
#define CLK_HCLK_ARM_PLL_DIV_1 (0x0 << 0)
|
||||
|
||||
/* Power Control Register bits */
|
||||
#define CLK_PWR_HCLK_RUN_PERIPH (1 << 10)
|
||||
#define CLK_PWR_EMC_SREFREQ (1 << 9)
|
||||
#define CLK_PWR_EMC_SREFREQ_UPDATE (1 << 8)
|
||||
#define CLK_PWR_SDRAM_SREFREQ (1 << 7)
|
||||
#define CLK_PWR_HIGHCORE_LEVEL (1 << 5)
|
||||
#define CLK_PWR_SYSCLKEN_LEVEL (1 << 4)
|
||||
#define CLK_PWR_SYSCLKEN_CTRL (1 << 3)
|
||||
#define CLK_PWR_NORMAL_RUN (1 << 2)
|
||||
#define CLK_PWR_HIGHCORE_CTRL (1 << 1)
|
||||
#define CLK_PWR_STOP_MODE (1 << 0)
|
||||
|
||||
/* SYSCLK Control Register bits */
|
||||
#define CLK_SYSCLK_PLL397 (1 << 1)
|
||||
#define CLK_SYSCLK_MUX (1 << 0)
|
||||
|
||||
/* HCLK PLL Control Register bits */
|
||||
#define CLK_HCLK_PLL_OPERATING (1 << 16)
|
||||
#define CLK_HCLK_PLL_BYPASS (1 << 15)
|
||||
#define CLK_HCLK_PLL_DIRECT (1 << 14)
|
||||
#define CLK_HCLK_PLL_FEEDBACK (1 << 13)
|
||||
#define CLK_HCLK_PLL_POSTDIV_MASK (0x3 << 11)
|
||||
#define CLK_HCLK_PLL_POSTDIV_16 (0x3 << 11)
|
||||
#define CLK_HCLK_PLL_POSTDIV_8 (0x2 << 11)
|
||||
#define CLK_HCLK_PLL_POSTDIV_4 (0x1 << 11)
|
||||
#define CLK_HCLK_PLL_POSTDIV_2 (0x0 << 11)
|
||||
#define CLK_HCLK_PLL_PREDIV_MASK (0x3 << 9)
|
||||
#define CLK_HCLK_PLL_PREDIV_4 (0x3 << 9)
|
||||
#define CLK_HCLK_PLL_PREDIV_3 (0x2 << 9)
|
||||
#define CLK_HCLK_PLL_PREDIV_2 (0x1 << 9)
|
||||
#define CLK_HCLK_PLL_PREDIV_1 (0x0 << 9)
|
||||
#define CLK_HCLK_PLL_FEEDBACK_DIV_MASK (0xFF << 1)
|
||||
#define CLK_HCLK_PLL_FEEDBACK_DIV(n) ((((n) - 1) & 0xFF) << 1)
|
||||
#define CLK_HCLK_PLL_LOCKED (1 << 0)
|
||||
|
||||
/* Ethernet MAC Clock Control Register bits */
|
||||
#define CLK_MAC_RMII (0x3 << 3)
|
||||
#define CLK_MAC_MII (0x1 << 3)
|
||||
#define CLK_MAC_MASTER (1 << 2)
|
||||
#define CLK_MAC_SLAVE (1 << 1)
|
||||
#define CLK_MAC_REG (1 << 0)
|
||||
|
||||
/* Timer Clock Control1 Register bits */
|
||||
#define CLK_TIMCLK_MOTOR (1 << 6)
|
||||
#define CLK_TIMCLK_TIMER3 (1 << 5)
|
||||
#define CLK_TIMCLK_TIMER2 (1 << 4)
|
||||
#define CLK_TIMCLK_TIMER1 (1 << 3)
|
||||
#define CLK_TIMCLK_TIMER0 (1 << 2)
|
||||
#define CLK_TIMCLK_TIMER5 (1 << 1)
|
||||
#define CLK_TIMCLK_TIMER4 (1 << 0)
|
||||
|
||||
/* Timer Clock Control Register bits */
|
||||
#define CLK_TIMCLK_HSTIMER (1 << 1)
|
||||
#define CLK_TIMCLK_WATCHDOG (1 << 0)
|
||||
|
||||
/* UART Clock Control Register bits */
|
||||
#define CLK_UART(n) (1 << ((n) - 3))
|
||||
|
||||
/* UARTn Clock Select Registers bits */
|
||||
#define CLK_UART_HCLK (1 << 16)
|
||||
#define CLK_UART_X_DIV(n) (((n) & 0xFF) << 8)
|
||||
#define CLK_UART_Y_DIV(n) (((n) & 0xFF) << 0)
|
||||
|
||||
/* DMA Clock Control Register bits */
|
||||
#define CLK_DMA_ENABLE (1 << 0)
|
||||
|
||||
unsigned int get_sys_clk_rate(void);
|
||||
unsigned int get_hclk_pll_rate(void);
|
||||
unsigned int get_hclk_clk_div(void);
|
||||
unsigned int get_hclk_clk_rate(void);
|
||||
unsigned int get_periph_clk_div(void);
|
||||
unsigned int get_periph_clk_rate(void);
|
||||
|
||||
#endif /* _LPC32XX_CLK_H */
|
76
arch/arm/include/asm/arch-lpc32xx/config.h
Normal file
76
arch/arm/include/asm/arch-lpc32xx/config.h
Normal file
|
@ -0,0 +1,76 @@
|
|||
/*
|
||||
* Common definitions for LPC32XX board configurations
|
||||
*
|
||||
* Copyright (C) 2011 Vladimir Zapolskiy <vz@mleia.com>
|
||||
*
|
||||
* 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., 51 Franklin Street, Fifth Floor, Boston,
|
||||
* MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _LPC32XX_CONFIG_H
|
||||
#define _LPC32XX_CONFIG_H
|
||||
|
||||
/* Basic CPU architecture */
|
||||
#define CONFIG_ARM926EJS
|
||||
#define CONFIG_ARCH_CPU_INIT
|
||||
|
||||
#define CONFIG_NR_DRAM_BANKS_MAX 2
|
||||
|
||||
/* 1KHz clock tick */
|
||||
#define CONFIG_SYS_HZ 1000
|
||||
|
||||
/* UART configuration */
|
||||
#if (CONFIG_SYS_LPC32XX_UART >= 3) && (CONFIG_SYS_LPC32XX_UART <= 6)
|
||||
#define CONFIG_SYS_NS16550_SERIAL
|
||||
#define CONFIG_CONS_INDEX (CONFIG_SYS_LPC32XX_UART - 2)
|
||||
#elif (CONFIG_SYS_LPC32XX_UART == 1) || (CONFIG_SYS_LPC32XX_UART == 2) || \
|
||||
(CONFIG_SYS_LPC32XX_UART == 7)
|
||||
#define CONFIG_LPC32XX_HSUART
|
||||
#else
|
||||
#error "define CONFIG_SYS_LPC32XX_UART in the range from 1 to 7"
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_SYS_NS16550_SERIAL)
|
||||
#define CONFIG_SYS_NS16550
|
||||
|
||||
#define CONFIG_SYS_NS16550_REG_SIZE -4
|
||||
#define CONFIG_SYS_NS16550_CLK get_serial_clock()
|
||||
|
||||
#define CONFIG_SYS_NS16550_COM1 UART3_BASE
|
||||
#define CONFIG_SYS_NS16550_COM2 UART4_BASE
|
||||
#define CONFIG_SYS_NS16550_COM3 UART5_BASE
|
||||
#define CONFIG_SYS_NS16550_COM4 UART6_BASE
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_LPC32XX_HSUART)
|
||||
#if CONFIG_SYS_LPC32XX_UART == 1
|
||||
#define HS_UART_BASE HS_UART1_BASE
|
||||
#elif CONFIG_SYS_LPC32XX_UART == 2
|
||||
#define HS_UART_BASE HS_UART2_BASE
|
||||
#else /* CONFIG_SYS_LPC32XX_UART == 7 */
|
||||
#define HS_UART_BASE HS_UART7_BASE
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#define CONFIG_SYS_BAUDRATE_TABLE \
|
||||
{ 9600, 19200, 38400, 57600, 115200, 230400, 460800 }
|
||||
|
||||
/* NOR Flash */
|
||||
#if defined(CONFIG_SYS_FLASH_CFI)
|
||||
#define CONFIG_FLASH_CFI_DRIVER
|
||||
#define CONFIG_SYS_FLASH_PROTECTION
|
||||
#endif
|
||||
|
||||
#endif /* _LPC32XX_CONFIG_H */
|
64
arch/arm/include/asm/arch-lpc32xx/cpu.h
Normal file
64
arch/arm/include/asm/arch-lpc32xx/cpu.h
Normal file
|
@ -0,0 +1,64 @@
|
|||
/*
|
||||
* Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
|
||||
*
|
||||
* 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., 51 Franklin Street, Fifth Floor, Boston,
|
||||
* MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _LPC32XX_CPU_H
|
||||
#define _LPC32XX_CPU_H
|
||||
|
||||
/* LPC32XX Memory map */
|
||||
|
||||
/* AHB physical base addresses */
|
||||
#define SLC_NAND_BASE 0x20020000 /* SLC NAND Flash registers base */
|
||||
#define SSP0_BASE 0x20084000 /* SSP0 registers base */
|
||||
#define SD_CARD_BASE 0x20098000 /* SD card interface registers base */
|
||||
#define MLC_NAND_BASE 0x200A8000 /* MLC NAND Flash registers base */
|
||||
#define DMA_BASE 0x31000000 /* DMA controller registers base */
|
||||
#define USB_BASE 0x31020000 /* USB registers base */
|
||||
#define LCD_BASE 0x31040000 /* LCD registers base */
|
||||
#define ETHERNET_BASE 0x31060000 /* Ethernet registers base */
|
||||
#define EMC_BASE 0x31080000 /* EMC configuration registers base */
|
||||
|
||||
/* FAB peripherals base addresses */
|
||||
#define CLK_PM_BASE 0x40004000 /* System control registers base */
|
||||
#define HS_UART1_BASE 0x40014000 /* High speed UART 1 registers base */
|
||||
#define HS_UART2_BASE 0x40018000 /* High speed UART 2 registers base */
|
||||
#define HS_UART7_BASE 0x4001C000 /* High speed UART 7 registers base */
|
||||
#define RTC_BASE 0x40024000 /* RTC registers base */
|
||||
#define GPIO_BASE 0x40028000 /* GPIO registers base */
|
||||
#define WDT_BASE 0x4003C000 /* Watchdog timer registers base */
|
||||
#define TIMER0_BASE 0x40044000 /* Timer0 registers base */
|
||||
#define TIMER1_BASE 0x4004C000 /* Timer1 registers base */
|
||||
#define UART_CTRL_BASE 0x40054000 /* UART control regsisters base */
|
||||
|
||||
/* APB peripherals base addresses */
|
||||
#define UART3_BASE 0x40080000 /* UART 3 registers base */
|
||||
#define UART4_BASE 0x40088000 /* UART 4 registers base */
|
||||
#define UART5_BASE 0x40090000 /* UART 5 registers base */
|
||||
#define UART6_BASE 0x40098000 /* UART 6 registers base */
|
||||
|
||||
/* External SDRAM Memory Bank base addresses */
|
||||
#define EMC_DYCS0_BASE 0x80000000 /* SDRAM DYCS0 base address */
|
||||
#define EMC_DYCS1_BASE 0xA0000000 /* SDRAM DYCS1 base address */
|
||||
|
||||
/* External Static Memory Bank base addresses */
|
||||
#define EMC_CS0_BASE 0xE0000000
|
||||
#define EMC_CS1_BASE 0xE1000000
|
||||
#define EMC_CS2_BASE 0xE2000000
|
||||
#define EMC_CS3_BASE 0xE3000000
|
||||
|
||||
#endif /* _LPC32XX_CPU_H */
|
92
arch/arm/include/asm/arch-lpc32xx/emc.h
Normal file
92
arch/arm/include/asm/arch-lpc32xx/emc.h
Normal file
|
@ -0,0 +1,92 @@
|
|||
/*
|
||||
* Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
|
||||
*
|
||||
* 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., 51 Franklin Street, Fifth Floor, Boston,
|
||||
* MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _LPC32XX_EMC_H
|
||||
#define _LPC32XX_EMC_H
|
||||
|
||||
#include <asm/types.h>
|
||||
|
||||
/* EMC Registers */
|
||||
struct emc_regs {
|
||||
u32 ctrl; /* Controls operation of the EMC */
|
||||
u32 status; /* Provides EMC status information */
|
||||
u32 config; /* Configures operation of the EMC */
|
||||
u32 reserved0[5];
|
||||
u32 control; /* Controls dyn memory operation */
|
||||
u32 refresh; /* Configures dyn memory refresh operation */
|
||||
u32 read_config; /* Configures the dyn memory read strategy */
|
||||
u32 reserved1;
|
||||
u32 t_rp; /* Precharge command period */
|
||||
u32 t_ras; /* Active to precharge command period */
|
||||
u32 t_srex; /* Self-refresh exit time */
|
||||
u32 reserved2[2];
|
||||
u32 t_wr; /* Write recovery time */
|
||||
u32 t_rc; /* Active to active command period */
|
||||
u32 t_rfc; /* Auto-refresh period */
|
||||
u32 t_xsr; /* Exit self-refresh to active command time */
|
||||
u32 t_rrd; /* Active bank A to active bank B latency */
|
||||
u32 t_mrd; /* Load mode register to active command time */
|
||||
u32 t_cdlr; /* Last data in to read command time */
|
||||
u32 reserved3[8];
|
||||
u32 extended_wait; /* time for static memory rd/wr transfers */
|
||||
u32 reserved4[31];
|
||||
u32 config0; /* Configuration information for the SDRAM */
|
||||
u32 rascas0; /* RAS and CAS latencies for the SDRAM */
|
||||
u32 reserved5[6];
|
||||
u32 config1; /* Configuration information for the SDRAM */
|
||||
u32 rascas1; /* RAS and CAS latencies for the SDRAM */
|
||||
u32 reserved6[54];
|
||||
struct emc_stat_t {
|
||||
u32 config; /* Static memory configuration */
|
||||
u32 waitwen; /* Delay from chip select to write enable */
|
||||
u32 waitoen; /* Delay to output enable */
|
||||
u32 waitrd; /* Delay to a read access */
|
||||
u32 waitpage; /* Delay for async page mode read */
|
||||
u32 waitwr; /* Delay to a write access */
|
||||
u32 waitturn; /* Number of bus turnaround cycles */
|
||||
u32 reserved;
|
||||
} stat[4];
|
||||
u32 reserved7[96];
|
||||
struct emc_ahb_t {
|
||||
u32 control; /* Control register for AHB */
|
||||
u32 status; /* Status register for AHB */
|
||||
u32 timeout; /* Timeout register for AHB */
|
||||
u32 reserved[5];
|
||||
} ahb[5];
|
||||
};
|
||||
|
||||
/* Static Memory Configuration Register bits */
|
||||
#define EMC_STAT_CONFIG_WP (1 << 20)
|
||||
#define EMC_STAT_CONFIG_EW (1 << 8)
|
||||
#define EMC_STAT_CONFIG_PB (1 << 7)
|
||||
#define EMC_STAT_CONFIG_PC (1 << 6)
|
||||
#define EMC_STAT_CONFIG_PM (1 << 3)
|
||||
#define EMC_STAT_CONFIG_32BIT (2 << 0)
|
||||
#define EMC_STAT_CONFIG_16BIT (1 << 0)
|
||||
#define EMC_STAT_CONFIG_8BIT (0 << 0)
|
||||
|
||||
/* Static Memory Delay Registers */
|
||||
#define EMC_STAT_WAITWEN(n) (((n) - 1) & 0x0F)
|
||||
#define EMC_STAT_WAITOEN(n) (((n) - 1) & 0x0F)
|
||||
#define EMC_STAT_WAITRD(n) (((n) - 1) & 0x1F)
|
||||
#define EMC_STAT_WAITPAGE(n) (((n) - 1) & 0x1F)
|
||||
#define EMC_STAT_WAITWR(n) (((n) - 2) & 0x1F)
|
||||
#define EMC_STAT_WAITTURN(n) (((n) - 1) & 0x0F)
|
||||
|
||||
#endif /* _LPC32XX_EMC_H */
|
25
arch/arm/include/asm/arch-lpc32xx/sys_proto.h
Normal file
25
arch/arm/include/asm/arch-lpc32xx/sys_proto.h
Normal file
|
@ -0,0 +1,25 @@
|
|||
/*
|
||||
* Copyright (C) 2011 Vladimir Zapolskiy <vz@mleia.com>
|
||||
*
|
||||
* 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., 51 Franklin Street, Fifth Floor, Boston,
|
||||
* MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _LPC32XX_SYS_PROTO_H
|
||||
#define _LPC32XX_SYS_PROTO_H
|
||||
|
||||
void lpc32xx_uart_init(unsigned int uart_id);
|
||||
|
||||
#endif /* _LPC32XX_SYS_PROTO_H */
|
74
arch/arm/include/asm/arch-lpc32xx/timer.h
Normal file
74
arch/arm/include/asm/arch-lpc32xx/timer.h
Normal file
|
@ -0,0 +1,74 @@
|
|||
/*
|
||||
* Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
|
||||
*
|
||||
* 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., 51 Franklin Street, Fifth Floor, Boston,
|
||||
* MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _LPC32XX_TIMER_H
|
||||
#define _LPC32XX_TIMER_H
|
||||
|
||||
#include <asm/types.h>
|
||||
|
||||
/* Timer/Counter Registers */
|
||||
struct timer_regs {
|
||||
u32 ir; /* Interrupt Register */
|
||||
u32 tcr; /* Timer Control Register */
|
||||
u32 tc; /* Timer Counter */
|
||||
u32 pr; /* Prescale Register */
|
||||
u32 pc; /* Prescale Counter */
|
||||
u32 mcr; /* Match Control Register */
|
||||
u32 mr[4]; /* Match Registers */
|
||||
u32 ccr; /* Capture Control Register */
|
||||
u32 cr[4]; /* Capture Registers */
|
||||
u32 emr; /* External Match Register */
|
||||
u32 reserved[12];
|
||||
u32 ctcr; /* Count Control Register */
|
||||
};
|
||||
|
||||
/* Timer/Counter Interrupt Register bits */
|
||||
#define TIMER_IR_CR(n) (1 << ((n) + 4))
|
||||
#define TIMER_IR_MR(n) (1 << (n))
|
||||
|
||||
/* Timer/Counter Timer Control Register bits */
|
||||
#define TIMER_TCR_COUNTER_RESET (1 << 1)
|
||||
#define TIMER_TCR_COUNTER_ENABLE (1 << 0)
|
||||
#define TIMER_TCR_COUNTER_DISABLE (0 << 0)
|
||||
|
||||
/* Timer/Counter Match Control Register bits */
|
||||
#define TIMER_MCR_STOP(n) (1 << (3 * (n) + 2))
|
||||
#define TIMER_MCR_RESET(n) (1 << (3 * (n) + 1))
|
||||
#define TIMER_MCR_INTERRUPT(n) (1 << (3 * (n)))
|
||||
|
||||
/* Timer/Counter Capture Control Register bits */
|
||||
#define TIMER_CCR_INTERRUPT(n) (1 << (3 * (n) + 2))
|
||||
#define TIMER_CCR_FALLING_EDGE(n) (1 << (3 * (n) + 1))
|
||||
#define TIMER_CCR_RISING_EDGE(n) (1 << (3 * (n)))
|
||||
|
||||
/* Timer/Counter External Match Register bits */
|
||||
#define TIMER_EMR_EMC_TOGGLE(n) (0x3 << (2 * (n) + 4))
|
||||
#define TIMER_EMR_EMC_SET(n) (0x2 << (2 * (n) + 4))
|
||||
#define TIMER_EMR_EMC_CLEAR(n) (0x1 << (2 * (n) + 4))
|
||||
#define TIMER_EMR_EMC_NOTHING(n) (0x0 << (2 * (n) + 4))
|
||||
#define TIMER_EMR_EM(n) (1 << (n))
|
||||
|
||||
/* Timer/Counter Count Control Register bits */
|
||||
#define TIMER_CTCR_INPUT(n) ((n) << 2)
|
||||
#define TIMER_CTCR_MODE_COUNTER_BOTH (0x3 << 0)
|
||||
#define TIMER_CTCR_MODE_COUNTER_FALLING (0x2 << 0)
|
||||
#define TIMER_CTCR_MODE_COUNTER_RISING (0x1 << 0)
|
||||
#define TIMER_CTCR_MODE_TIMER (0x0 << 0)
|
||||
|
||||
#endif /* _LPC32XX_TIMER_H */
|
54
arch/arm/include/asm/arch-lpc32xx/uart.h
Normal file
54
arch/arm/include/asm/arch-lpc32xx/uart.h
Normal file
|
@ -0,0 +1,54 @@
|
|||
/*
|
||||
* Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
|
||||
*
|
||||
* 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., 51 Franklin Street, Fifth Floor, Boston,
|
||||
* MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _LPC32XX_UART_H
|
||||
#define _LPC32XX_UART_H
|
||||
|
||||
#include <asm/types.h>
|
||||
|
||||
/* UART Control Registers */
|
||||
struct uart_ctrl_regs {
|
||||
u32 ctrl; /* Control Register */
|
||||
u32 clkmode; /* Clock Mode Register */
|
||||
u32 loop; /* Loopback Control Register */
|
||||
};
|
||||
|
||||
/* UART Control Register bits */
|
||||
#define UART_CTRL_UART3_MD_CTRL (1 << 11)
|
||||
#define UART_CTRL_HDPX_INV (1 << 10)
|
||||
#define UART_CTRL_HDPX_EN (1 << 9)
|
||||
#define UART_CTRL_UART6_IRDA (1 << 5)
|
||||
#define UART_CTRL_IR_TX6_INV (1 << 4)
|
||||
#define UART_CTRL_IR_RX6_INV (1 << 3)
|
||||
#define UART_CTRL_IR_RX_LENGTH (1 << 2)
|
||||
#define UART_CTRL_IR_TX_LENGTH (1 << 1)
|
||||
#define UART_CTRL_UART5_USB_MODE (1 << 0)
|
||||
|
||||
/* UART Clock Mode Register bits */
|
||||
#define UART_CLKMODE_STATX(n) (1 << ((n) + 16))
|
||||
#define UART_CLKMODE_STAT (1 << 14)
|
||||
#define UART_CLKMODE_MASK(n) (0x3 << (2 * (n) - 2))
|
||||
#define UART_CLKMODE_AUTO(n) (0x2 << (2 * (n) - 2))
|
||||
#define UART_CLKMODE_ON(n) (0x1 << (2 * (n) - 2))
|
||||
#define UART_CLKMODE_OFF(n) (0x0 << (2 * (n) - 2))
|
||||
|
||||
/* UART Loopback Control Register bits */
|
||||
#define UART_LOOPBACK(n) (1 << ((n) - 1))
|
||||
|
||||
#endif /* _LPC32XX_UART_H */
|
51
arch/arm/include/asm/arch-lpc32xx/wdt.h
Normal file
51
arch/arm/include/asm/arch-lpc32xx/wdt.h
Normal file
|
@ -0,0 +1,51 @@
|
|||
/*
|
||||
* Copyright (C) 2011 by Vladimir Zapolskiy <vz@mleia.com>
|
||||
*
|
||||
* 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., 51 Franklin Street, Fifth Floor, Boston,
|
||||
* MA 02110-1301, USA.
|
||||
*/
|
||||
|
||||
#ifndef _LPC32XX_WDT_H
|
||||
#define _LPC32XX_WDT_H
|
||||
|
||||
#include <asm/types.h>
|
||||
|
||||
/* Watchdog Timer Registers */
|
||||
struct wdt_regs {
|
||||
u32 isr; /* Interrupt Status Register */
|
||||
u32 ctrl; /* Control Register */
|
||||
u32 counter; /* Counter Value Register */
|
||||
u32 mctrl; /* Match Control Register */
|
||||
u32 match0; /* Match 0 Register */
|
||||
u32 emr; /* External Match Control Register */
|
||||
u32 pulse; /* Reset Pulse Length Register */
|
||||
u32 res; /* Reset Source Register */
|
||||
};
|
||||
|
||||
/* Watchdog Timer Control Register bits */
|
||||
#define WDTIM_CTRL_PAUSE_EN (1 << 2)
|
||||
#define WDTIM_CTRL_RESET_COUNT (1 << 1)
|
||||
#define WDTIM_CTRL_COUNT_ENAB (1 << 0)
|
||||
|
||||
/* Watchdog Timer Match Control Register bits */
|
||||
#define WDTIM_MCTRL_RESFRC2 (1 << 6)
|
||||
#define WDTIM_MCTRL_RESFRC1 (1 << 5)
|
||||
#define WDTIM_MCTRL_M_RES2 (1 << 4)
|
||||
#define WDTIM_MCTRL_M_RES1 (1 << 3)
|
||||
#define WDTIM_MCTRL_STOP_COUNT0 (1 << 2)
|
||||
#define WDTIM_MCTRL_RESET_COUNT0 (1 << 1)
|
||||
#define WDTIM_MCTRL_MR0_INT (1 << 0)
|
||||
|
||||
#endif /* _LPC32XX_WDT_H */
|
Loading…
Reference in a new issue