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-rw-r--r--cpu/arm926ejs/mx25/Makefile46
-rw-r--r--cpu/arm926ejs/mx25/generic.c263
-rw-r--r--cpu/arm926ejs/mx25/reset.c56
-rw-r--r--cpu/arm926ejs/mx25/timer.c187
4 files changed, 0 insertions, 552 deletions
diff --git a/cpu/arm926ejs/mx25/Makefile b/cpu/arm926ejs/mx25/Makefile
deleted file mode 100644
index 55c1e89..0000000
--- a/cpu/arm926ejs/mx25/Makefile
+++ /dev/null
@@ -1,46 +0,0 @@
-#
-# (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., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)lib$(SOC).a
-
-COBJS = generic.o timer.o
-MX27OBJS = reset.o
-
-SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
-SRCS += $(addprefix $(SRCTREE)/cpu/arm926ejs/mx27/,$(MX27OBJS:.o=.c))
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS) $(MX27OBJS))
-
-all: $(obj).depend $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/cpu/arm926ejs/mx25/generic.c b/cpu/arm926ejs/mx25/generic.c
deleted file mode 100644
index 694841d..0000000
--- a/cpu/arm926ejs/mx25/generic.c
+++ /dev/null
@@ -1,263 +0,0 @@
-/*
- * (C) Copyright 2009 DENX Software Engineering
- * Author: John Rigby <jrigby@gmail.com>
- *
- * Based on mx27/generic.c:
- * Copyright (c) 2008 Eric Jarrige <eric.jarrige@armadeus.org>
- * Copyright (c) 2009 Ilya Yanok <yanok@emcraft.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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <div64.h>
-#include <netdev.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/imx25-pinmux.h>
-#ifdef CONFIG_MXC_MMC
-#include <asm/arch/mxcmmc.h>
-#endif
-
-/*
- * get the system pll clock in Hz
- *
- * mfi + mfn / (mfd +1)
- * f = 2 * f_ref * --------------------
- * pd + 1
- */
-static unsigned int imx_decode_pll (unsigned int pll, unsigned int f_ref)
-{
- unsigned int mfi = (pll >> CCM_PLL_MFI_SHIFT)
- & CCM_PLL_MFI_MASK;
- unsigned int mfn = (pll >> CCM_PLL_MFN_SHIFT)
- & CCM_PLL_MFN_MASK;
- unsigned int mfd = (pll >> CCM_PLL_MFD_SHIFT)
- & CCM_PLL_MFD_MASK;
- unsigned int pd = (pll >> CCM_PLL_PD_SHIFT)
- & CCM_PLL_PD_MASK;
-
- mfi = mfi <= 5 ? 5 : mfi;
-
- return lldiv (2 * (u64) f_ref * (mfi * (mfd + 1) + mfn),
- (mfd + 1) * (pd + 1));
-}
-
-static ulong imx_get_mpllclk (void)
-{
- struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
- ulong fref = 24000000;
-
- return imx_decode_pll (readl (&ccm->mpctl), fref);
-}
-
-ulong imx_get_armclk (void)
-{
- struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
- ulong cctl = readl (&ccm->cctl);
- ulong fref = imx_get_mpllclk ();
- ulong div;
-
- if (cctl & CCM_CCTL_ARM_SRC)
- fref = lldiv ((fref * 3), 4);
-
- div = ((cctl >> CCM_CCTL_ARM_DIV_SHIFT)
- & CCM_CCTL_ARM_DIV_MASK) + 1;
-
- return lldiv (fref, div);
-}
-
-ulong imx_get_ahbclk (void)
-{
- struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
- ulong cctl = readl (&ccm->cctl);
- ulong fref = imx_get_armclk ();
- ulong div;
-
- div = ((cctl >> CCM_CCTL_AHB_DIV_SHIFT)
- & CCM_CCTL_AHB_DIV_MASK) + 1;
-
- return lldiv (fref, div);
-}
-
-ulong imx_get_perclk (int clk)
-{
- struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
- ulong fref = imx_get_ahbclk ();
- ulong div;
-
- div = readl (&ccm->pcdr[CCM_PERCLK_REG (clk)]);
- div = ((div >> CCM_PERCLK_SHIFT (clk)) & CCM_PERCLK_MASK) + 1;
-
- return lldiv (fref, div);
-}
-
-#if defined(CONFIG_DISPLAY_CPUINFO)
-int print_cpuinfo (void)
-{
- char buf[32];
-
- printf ("CPU: Freescale i.MX25 at %s MHz\n\n",
- strmhz (buf, imx_get_mpllclk ()));
- return 0;
-}
-#endif
-
-int cpu_eth_init (bd_t * bis)
-{
-#if defined(CONFIG_FEC_MXC)
- struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
- ulong val;
-
- val = readl (&ccm->cgr0);
- val |= (1 << 23);
- writel (val, &ccm->cgr0);
- return fecmxc_initialize (bis);
-#else
- return 0;
-#endif
-}
-
-/*
- * Initializes on-chip MMC controllers.
- * to override, implement board_mmc_init()
- */
-int cpu_mmc_init (bd_t * bis)
-{
-#ifdef CONFIG_MXC_MMC
- return mxc_mmc_init (bis);
-#else
- return 0;
-#endif
-}
-
-#ifdef CONFIG_MXC_UART
-void mx25_uart_init_pins (void)
-{
- struct iomuxc_mux_ctl *muxctl;
- struct iomuxc_pad_ctl *padctl;
- u32 inpadctl;
- u32 outpadctl;
- u32 muxmode0;
-
- muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
- padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE;
- muxmode0 = MX25_PIN_MUX_MODE (0);
- /*
- * set up input pins with hysteresis and 100K pull-ups
- */
- inpadctl = MX25_PIN_PAD_CTL_HYS
- | MX25_PIN_PAD_CTL_PKE
- | MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PU;
-
- /*
- * set up output pins with 100K pull-downs
- * FIXME: need to revisit this
- * PUE is ignored if PKE is not set
- * so the right value here is likely
- * 0x0 for no pull up/down
- * or
- * 0xc0 for 100k pull down
- */
- outpadctl = MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PD;
-
- /* UART1 */
- /* rxd */
- writel (muxmode0, &muxctl->pad_uart1_rxd);
- writel (inpadctl, &padctl->pad_uart1_rxd);
-
- /* txd */
- writel (muxmode0, &muxctl->pad_uart1_txd);
- writel (outpadctl, &padctl->pad_uart1_txd);
-
- /* rts */
- writel (muxmode0, &muxctl->pad_uart1_rts);
- writel (outpadctl, &padctl->pad_uart1_rts);
-
- /* cts */
- writel (muxmode0, &muxctl->pad_uart1_cts);
- writel (inpadctl, &padctl->pad_uart1_cts);
-}
-#endif /* CONFIG_MXC_UART */
-
-#ifdef CONFIG_FEC_MXC
-void mx25_fec_init_pins (void)
-{
- struct iomuxc_mux_ctl *muxctl;
- struct iomuxc_pad_ctl *padctl;
- u32 inpadctl_100kpd;
- u32 inpadctl_22kpu;
- u32 outpadctl;
- u32 muxmode0;
-
- muxctl = (struct iomuxc_mux_ctl *)IMX_IOPADMUX_BASE;
- padctl = (struct iomuxc_pad_ctl *)IMX_IOPADCTL_BASE;
- muxmode0 = MX25_PIN_MUX_MODE (0);
- inpadctl_100kpd = MX25_PIN_PAD_CTL_HYS
- | MX25_PIN_PAD_CTL_PKE
- | MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PD;
- inpadctl_22kpu = MX25_PIN_PAD_CTL_HYS
- | MX25_PIN_PAD_CTL_PKE
- | MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_22K_PU;
- /*
- * set up output pins with 100K pull-downs
- * FIXME: need to revisit this
- * PUE is ignored if PKE is not set
- * so the right value here is likely
- * 0x0 for no pull
- * or
- * 0xc0 for 100k pull down
- */
- outpadctl = MX25_PIN_PAD_CTL_PUE | MX25_PIN_PAD_CTL_100K_PD;
-
- /* FEC_TX_CLK */
- writel (muxmode0, &muxctl->pad_fec_tx_clk);
- writel (inpadctl_100kpd, &padctl->pad_fec_tx_clk);
-
- /* FEC_RX_DV */
- writel (muxmode0, &muxctl->pad_fec_rx_dv);
- writel (inpadctl_100kpd, &padctl->pad_fec_rx_dv);
-
- /* FEC_RDATA0 */
- writel (muxmode0, &muxctl->pad_fec_rdata0);
- writel (inpadctl_100kpd, &padctl->pad_fec_rdata0);
-
- /* FEC_TDATA0 */
- writel (muxmode0, &muxctl->pad_fec_tdata0);
- writel (outpadctl, &padctl->pad_fec_tdata0);
-
- /* FEC_TX_EN */
- writel (muxmode0, &muxctl->pad_fec_tx_en);
- writel (outpadctl, &padctl->pad_fec_tx_en);
-
- /* FEC_MDC */
- writel (muxmode0, &muxctl->pad_fec_mdc);
- writel (outpadctl, &padctl->pad_fec_mdc);
-
- /* FEC_MDIO */
- writel (muxmode0, &muxctl->pad_fec_mdio);
- writel (inpadctl_22kpu, &padctl->pad_fec_mdio);
-
- /* FEC_RDATA1 */
- writel (muxmode0, &muxctl->pad_fec_rdata1);
- writel (inpadctl_100kpd, &padctl->pad_fec_rdata1);
-
- /* FEC_TDATA1 */
- writel (muxmode0, &muxctl->pad_fec_tdata1);
- writel (outpadctl, &padctl->pad_fec_tdata1);
-
-}
-#endif /* CONFIG_FEC_MXC */
diff --git a/cpu/arm926ejs/mx25/reset.c b/cpu/arm926ejs/mx25/reset.c
deleted file mode 100644
index 1e33150..0000000
--- a/cpu/arm926ejs/mx25/reset.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
- *
- * (C) Copyright 2009
- * Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-
-/*
- * Reset the cpu by setting up the watchdog timer and let it time out
- */
-void reset_cpu (ulong ignored)
-{
- struct wdog_regs *regs = (struct wdog_regs *)IMX_WDT_BASE;
- /* Disable watchdog and set Time-Out field to 0 */
- writel (0x00000000, &regs->wcr);
-
- /* Write Service Sequence */
- writel (0x00005555, &regs->wsr);
- writel (0x0000AAAA, &regs->wsr);
-
- /* Enable watchdog */
- writel (WCR_WDE, &regs->wcr);
-
- while (1) ;
-}
diff --git a/cpu/arm926ejs/mx25/timer.c b/cpu/arm926ejs/mx25/timer.c
deleted file mode 100644
index 11d41a8..0000000
--- a/cpu/arm926ejs/mx25/timer.c
+++ /dev/null
@@ -1,187 +0,0 @@
-/*
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * (C) Copyright 2002
- * Gary Jennejohn, DENX Software Engineering, <gj@denx.de>
- *
- * (C) Copyright 2009
- * Ilya Yanok, Emcraft Systems Ltd, <yanok@emcraft.com>
- *
- * (C) Copyright 2009 DENX Software Engineering
- * Author: John Rigby <jrigby@gmail.com>
- * Add support for MX25
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <div64.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-
-static ulong timestamp;
-static ulong lastinc;
-
-/*
- * "time" is measured in 1 / CONFIG_SYS_HZ seconds,
- * "tick" is internal timer period
- */
-#ifdef CONFIG_MX25_TIMER_HIGH_PRECISION
-/* ~0.4% error - measured with stop-watch on 100s boot-delay */
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- tick *= CONFIG_SYS_HZ;
- do_div(tick, CONFIG_MX25_CLK32);
- return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
- time *= CONFIG_MX25_CLK32;
- do_div(time, CONFIG_SYS_HZ);
- return time;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
- us = us * CONFIG_MX25_CLK32 + 999999;
- do_div(us, 1000000);
- return us;
-}
-#else
-/* ~2% error */
-#define TICK_PER_TIME ((CONFIG_MX25_CLK32 + CONFIG_SYS_HZ / 2) / \
- CONFIG_SYS_HZ)
-#define US_PER_TICK (1000000 / CONFIG_MX25_CLK32)
-
-static inline unsigned long long tick_to_time(unsigned long long tick)
-{
- do_div(tick, TICK_PER_TIME);
- return tick;
-}
-
-static inline unsigned long long time_to_tick(unsigned long long time)
-{
- return time * TICK_PER_TIME;
-}
-
-static inline unsigned long long us_to_tick(unsigned long long us)
-{
- us += US_PER_TICK - 1;
- do_div(us, US_PER_TICK);
- return us;
-}
-#endif
-
-/* nothing really to do with interrupts, just starts up a counter. */
-/* The 32KHz 32-bit timer overruns in 134217 seconds */
-int timer_init(void)
-{
- int i;
- struct gpt_regs *gpt = (struct gpt_regs *)IMX_GPT1_BASE;
- struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE;
-
- /* setup GP Timer 1 */
- writel(GPT_CTRL_SWR, &gpt->ctrl);
-
- writel(readl(&ccm->cgr1) | CCM_CGR1_GPT1, &ccm->cgr1);
-
- for (i = 0; i < 100; i++)
- writel(0, &gpt->ctrl); /* We have no udelay by now */
- writel(0, &gpt->pre); /* prescaler = 1 */
- /* Freerun Mode, 32KHz input */
- writel(readl(&gpt->ctrl) | GPT_CTRL_CLKSOURCE_32 | GPT_CTRL_FRR,
- &gpt->ctrl);
- writel(readl(&gpt->ctrl) | GPT_CTRL_TEN, &gpt->ctrl);
-
- return 0;
-}
-
-void reset_timer_masked(void)
-{
- struct gpt_regs *gpt = (struct gpt_regs *)IMX_GPT1_BASE;
- /* reset time */
- /* capture current incrementer value time */
- lastinc = readl(&gpt->counter);
- timestamp = 0; /* start "advancing" time stamp from 0 */
-}
-
-void reset_timer(void)
-{
- reset_timer_masked();
-}
-
-unsigned long long get_ticks (void)
-{
- struct gpt_regs *gpt = (struct gpt_regs *)IMX_GPT1_BASE;
- ulong now = readl(&gpt->counter); /* current tick value */
-
- if (now >= lastinc) {
- /*
- * normal mode (non roll)
- * move stamp forward with absolut diff ticks
- */
- timestamp += (now - lastinc);
- } else {
- /* we have rollover of incrementer */
- timestamp += (0xFFFFFFFF - lastinc) + now;
- }
- lastinc = now;
- return timestamp;
-}
-
-ulong get_timer_masked (void)
-{
- /*
- * get_ticks() returns a long long (64 bit), it wraps in
- * 2^64 / CONFIG_MX25_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~
- * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in
- * 5 * 10^6 days - long enough.
- */
- return tick_to_time(get_ticks());
-}
-
-ulong get_timer (ulong base)
-{
- return get_timer_masked () - base;
-}
-
-void set_timer (ulong t)
-{
- timestamp = time_to_tick(t);
-}
-
-/* delay x useconds AND preserve advance timstamp value */
-void __udelay (unsigned long usec)
-{
- unsigned long long tmp;
- ulong tmo;
-
- tmo = us_to_tick(usec);
- tmp = get_ticks() + tmo; /* get current timestamp */
-
- while (get_ticks() < tmp) /* loop till event */
- /*NOP*/;
-}
generated by cgit v1.1 at 2024-12-23 20:50:20 +0000