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>
--- /dev/null
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# 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., 51 Franklin Street, Fifth Floor, Boston,
+# MA 02110-1301, USA.
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).o
+
+COBJS = cpu.o clk.o devices.o timer.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS))
+
+all: $(obj).depend $(LIB)
+
+$(LIB): $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ * 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.
+ */
+
+#include <common.h>
+#include <div64.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/clk.h>
+#include <asm/io.h>
+
+static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
+
+unsigned int get_sys_clk_rate(void)
+{
+ if (readl(&clk->sysclk_ctrl) & CLK_SYSCLK_PLL397)
+ return RTC_CLK_FREQUENCY * 397;
+ else
+ return OSC_CLK_FREQUENCY;
+}
+
+unsigned int get_hclk_pll_rate(void)
+{
+ unsigned long long fin, fref, fcco, fout;
+ u32 val, m_div, n_div, p_div;
+
+ /*
+ * Valid frequency ranges:
+ * 1 * 10^6 <= Fin <= 20 * 10^6
+ * 1 * 10^6 <= Fref <= 27 * 10^6
+ * 156 * 10^6 <= Fcco <= 320 * 10^6
+ */
+
+ fref = fin = get_sys_clk_rate();
+ if (fin > 20000000ULL || fin < 1000000ULL)
+ return 0;
+
+ val = readl(&clk->hclkpll_ctrl);
+ m_div = ((val & CLK_HCLK_PLL_FEEDBACK_DIV_MASK) >> 1) + 1;
+ n_div = ((val & CLK_HCLK_PLL_PREDIV_MASK) >> 9) + 1;
+ if (val & CLK_HCLK_PLL_DIRECT)
+ p_div = 0;
+ else
+ p_div = ((val & CLK_HCLK_PLL_POSTDIV_MASK) >> 11) + 1;
+ p_div = 1 << p_div;
+
+ if (val & CLK_HCLK_PLL_BYPASS) {
+ do_div(fin, p_div);
+ return fin;
+ }
+
+ do_div(fref, n_div);
+ if (fref > 27000000ULL || fref < 1000000ULL)
+ return 0;
+
+ fout = fref * m_div;
+ if (val & CLK_HCLK_PLL_FEEDBACK) {
+ fcco = fout;
+ do_div(fout, p_div);
+ } else
+ fcco = fout * p_div;
+
+ if (fcco > 320000000ULL || fcco < 156000000ULL)
+ return 0;
+
+ return fout;
+}
+
+unsigned int get_hclk_clk_div(void)
+{
+ u32 val;
+
+ val = readl(&clk->hclkdiv_ctrl) & CLK_HCLK_ARM_PLL_DIV_MASK;
+
+ return 1 << val;
+}
+
+unsigned int get_hclk_clk_rate(void)
+{
+ return get_hclk_pll_rate() / get_hclk_clk_div();
+}
+
+unsigned int get_periph_clk_div(void)
+{
+ u32 val;
+
+ val = readl(&clk->hclkdiv_ctrl) & CLK_HCLK_PERIPH_DIV_MASK;
+
+ return (val >> 2) + 1;
+}
+
+unsigned int get_periph_clk_rate(void)
+{
+ if (!(readl(&clk->pwr_ctrl) & CLK_PWR_NORMAL_RUN))
+ return get_sys_clk_rate();
+
+ return get_hclk_pll_rate() / get_periph_clk_div();
+}
+
+int get_serial_clock(void)
+{
+ return get_periph_clk_rate();
+}
--- /dev/null
+/*
+ * 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.
+ */
+
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/wdt.h>
+#include <asm/io.h>
+
+static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
+static struct wdt_regs *wdt = (struct wdt_regs *)WDT_BASE;
+
+void reset_cpu(ulong addr)
+{
+ /* Enable watchdog clock */
+ setbits_le32(&clk->timclk_ctrl, CLK_TIMCLK_WATCHDOG);
+
+ /* Reset pulse length is 13005 peripheral clock frames */
+ writel(13000, &wdt->pulse);
+
+ /* Force WDOG_RESET2 and RESOUT_N signal active */
+ writel(WDTIM_MCTRL_RESFRC2 | WDTIM_MCTRL_RESFRC1 | WDTIM_MCTRL_M_RES2,
+ &wdt->mctrl);
+
+ while (1)
+ /* NOP */;
+}
+
+#if defined(CONFIG_ARCH_CPU_INIT)
+int arch_cpu_init(void)
+{
+ /*
+ * It might be necessary to flush data cache, if U-boot is loaded
+ * from kickstart bootloader, e.g. from S1L loader
+ */
+ flush_dcache_all();
+
+ return 0;
+}
+#else
+#error "You have to select CONFIG_ARCH_CPU_INIT"
+#endif
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+int print_cpuinfo(void)
+{
+ printf("CPU: NXP LPC32XX\n");
+ printf("CPU clock: %uMHz\n", get_hclk_pll_rate() / 1000000);
+ printf("AHB bus clock: %uMHz\n", get_hclk_clk_rate() / 1000000);
+ printf("Peripheral clock: %uMHz\n", get_periph_clk_rate() / 1000000);
+
+ return 0;
+}
+#endif
--- /dev/null
+/*
+ * 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.
+ */
+
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/uart.h>
+#include <asm/io.h>
+
+static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
+static struct uart_ctrl_regs *ctrl = (struct uart_ctrl_regs *)UART_CTRL_BASE;
+
+void lpc32xx_uart_init(unsigned int uart_id)
+{
+ if (uart_id < 1 || uart_id > 7)
+ return;
+
+ /* Disable loopback mode, if it is set by S1L bootloader */
+ clrbits_le32(&ctrl->loop,
+ UART_LOOPBACK(CONFIG_SYS_LPC32XX_UART));
+
+ if (uart_id < 3 || uart_id > 6)
+ return;
+
+ /* Enable UART system clock */
+ setbits_le32(&clk->uartclk_ctrl, CLK_UART(uart_id));
+
+ /* Set UART into autoclock mode */
+ clrsetbits_le32(&ctrl->clkmode,
+ UART_CLKMODE_MASK(uart_id),
+ UART_CLKMODE_AUTO(uart_id));
+
+ /* Bypass pre-divider of UART clock */
+ writel(CLK_UART_X_DIV(1) | CLK_UART_Y_DIV(1),
+ &clk->u3clk + (uart_id - 3));
+}
--- /dev/null
+/*
+ * 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.
+ */
+
+#include <common.h>
+#include <asm/arch/cpu.h>
+#include <asm/arch/clk.h>
+#include <asm/arch/timer.h>
+#include <asm/io.h>
+
+static struct timer_regs *timer0 = (struct timer_regs *)TIMER0_BASE;
+static struct timer_regs *timer1 = (struct timer_regs *)TIMER1_BASE;
+static struct clk_pm_regs *clk = (struct clk_pm_regs *)CLK_PM_BASE;
+
+static void lpc32xx_timer_clock(u32 bit, int enable)
+{
+ if (enable)
+ setbits_le32(&clk->timclk_ctrl1, bit);
+ else
+ clrbits_le32(&clk->timclk_ctrl1, bit);
+}
+
+static void lpc32xx_timer_reset(struct timer_regs *timer, u32 freq)
+{
+ writel(TIMER_TCR_COUNTER_RESET, &timer->tcr);
+ writel(TIMER_TCR_COUNTER_DISABLE, &timer->tcr);
+ writel(0, &timer->tc);
+ writel(0, &timer->pr);
+
+ /* Count mode is every rising PCLK edge */
+ writel(TIMER_CTCR_MODE_TIMER, &timer->ctcr);
+
+ /* Set prescale counter value */
+ writel((get_periph_clk_rate() / freq) - 1, &timer->pr);
+}
+
+static void lpc32xx_timer_count(struct timer_regs *timer, int enable)
+{
+ if (enable)
+ writel(TIMER_TCR_COUNTER_ENABLE, &timer->tcr);
+ else
+ writel(TIMER_TCR_COUNTER_DISABLE, &timer->tcr);
+}
+
+int timer_init(void)
+{
+ lpc32xx_timer_clock(CLK_TIMCLK_TIMER0, 1);
+ lpc32xx_timer_reset(timer0, CONFIG_SYS_HZ);
+ lpc32xx_timer_count(timer0, 1);
+
+ return 0;
+}
+
+ulong get_timer(ulong base)
+{
+ return readl(&timer0->tc) - base;
+}
+
+void __udelay(unsigned long usec)
+{
+ lpc32xx_timer_clock(CLK_TIMCLK_TIMER1, 1);
+ lpc32xx_timer_reset(timer1, CONFIG_SYS_HZ * 1000);
+ lpc32xx_timer_count(timer1, 1);
+
+ while (readl(&timer1->tc) < usec)
+ /* NOP */;
+
+ lpc32xx_timer_count(timer1, 0);
+ lpc32xx_timer_clock(CLK_TIMCLK_TIMER1, 0);
+}
+
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+ulong get_tbclk(void)
+{
+ return CONFIG_SYS_HZ;
+}
--- /dev/null
+/*
+ * 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_CLK_H
+#define _LPC32XX_CLK_H
+
+#include <asm/types.h>
+
+#define OSC_CLK_FREQUENCY 13000000
+#define RTC_CLK_FREQUENCY 32768
+
+/* Clocking and Power Control Registers */
+struct clk_pm_regs {
+ u32 reserved0[5];
+ u32 boot_map; /* Boot Map Control Register */
+ u32 p0_intr_er; /* Port 0/1 Start and Interrupt Enable */
+ u32 usbdiv_ctrl; /* USB Clock Pre-Divide Register */
+ /* Internal Start Signal Sources Registers */
+ u32 start_er_int; /* Start Enable Register */
+ u32 start_rsr_int; /* Start Raw Status Register */
+ u32 start_sr_int; /* Start Status Register */
+ u32 start_apr_int; /* Start Activation Polarity Register */
+ /* Device Pin Start Signal Sources Registers */
+ u32 start_er_pin; /* Start Enable Register */
+ u32 start_rsr_pin; /* Start Raw Status Register */
+ u32 start_sr_pin; /* Start Status Register */
+ u32 start_apr_pin; /* Start Activation Polarity Register */
+ /* Clock Control Registers */
+ u32 hclkdiv_ctrl; /* HCLK Divider Control Register */
+ u32 pwr_ctrl; /* Power Control Register */
+ u32 pll397_ctrl; /* PLL397 Control Register */
+ u32 osc_ctrl; /* Main Oscillator Control Register */
+ u32 sysclk_ctrl; /* SYSCLK Control Register */
+ u32 lcdclk_ctrl; /* LCD Clock Control Register */
+ u32 hclkpll_ctrl; /* HCLK PLL Control Register */
+ u32 reserved1;
+ u32 adclk_ctrl1; /* ADC Clock Control1 Register */
+ 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 */
--- /dev/null
+/*
+ * 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 */
--- /dev/null
+/*
+ * 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 */
--- /dev/null
+/*
+ * 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 */
--- /dev/null
+/*
+ * 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 */
--- /dev/null
+/*
+ * 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 */
--- /dev/null
+/*
+ * 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 */
--- /dev/null
+/*
+ * 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 */
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