--- /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., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+
+include $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(SOC).a
+
+COBJS := reset.o \
+ timer.o
+SOBJS :=
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS) $(SOBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
+
+clean:
+ rm -f $(SOBJS) $(OBJS)
+
+distclean: clean
+ rm -f $(LIB) core *.bak $(obj).depend
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
--- /dev/null
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.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/hardware.h>
+#include <asm/arch/spr_syscntl.h>
+
+void reset_cpu(ulong ignored)
+{
+ struct syscntl_regs *syscntl_regs_p =
+ (struct syscntl_regs *)CONFIG_SPEAR_SYSCNTLBASE;
+
+ printf("System is going to reboot ...\n");
+
+ /*
+ * This 1 second delay will allow the above message
+ * to be printed before reset
+ */
+ udelay((1000 * 1000));
+
+ /* Going into slow mode before resetting SOC */
+ writel(0x02, &syscntl_regs_p->scctrl);
+
+ /*
+ * Writing any value to the system status register will
+ * reset the SoC
+ */
+ writel(0x00, &syscntl_regs_p->scsysstat);
+
+ /* system will restart */
+ while (1)
+ ;
+}
--- /dev/null
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.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/hardware.h>
+#include <asm/arch/spr_gpt.h>
+#include <asm/arch/spr_misc.h>
+
+#define GPT_RESOLUTION (CONFIG_SPEAR_HZ_CLOCK / CONFIG_SPEAR_HZ)
+#define READ_TIMER() (readl(&gpt_regs_p->count) & GPT_FREE_RUNNING)
+
+static struct gpt_regs *const gpt_regs_p =
+ (struct gpt_regs *)CONFIG_SPEAR_TIMERBASE;
+
+static struct misc_regs *const misc_regs_p =
+ (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
+
+static ulong timestamp;
+static ulong lastdec;
+
+int timer_init(void)
+{
+ u32 synth;
+
+ /* Prescaler setting */
+#if defined(CONFIG_SPEAR3XX)
+ writel(MISC_PRSC_CFG, &misc_regs_p->prsc2_clk_cfg);
+ synth = MISC_GPT4SYNTH;
+#elif defined(CONFIG_SPEAR600)
+ writel(MISC_PRSC_CFG, &misc_regs_p->prsc1_clk_cfg);
+ synth = MISC_GPT3SYNTH;
+#else
+# error Incorrect config. Can only be spear{600|300|310|320}
+#endif
+
+ writel(readl(&misc_regs_p->periph_clk_cfg) | synth,
+ &misc_regs_p->periph_clk_cfg);
+
+ /* disable timers */
+ writel(GPT_PRESCALER_1 | GPT_MODE_AUTO_RELOAD, &gpt_regs_p->control);
+
+ /* load value for free running */
+ writel(GPT_FREE_RUNNING, &gpt_regs_p->compare);
+
+ /* auto reload, start timer */
+ writel(readl(&gpt_regs_p->control) | GPT_ENABLE, &gpt_regs_p->control);
+
+ reset_timer_masked();
+
+ return 0;
+}
+
+/*
+ * timer without interrupts
+ */
+
+void reset_timer(void)
+{
+ reset_timer_masked();
+}
+
+ulong get_timer(ulong base)
+{
+ return (get_timer_masked() / GPT_RESOLUTION) - base;
+}
+
+void set_timer(ulong t)
+{
+ timestamp = t;
+}
+
+void __udelay(unsigned long usec)
+{
+ ulong tmo;
+ ulong start = get_timer_masked();
+ ulong tenudelcnt = CONFIG_SPEAR_HZ_CLOCK / (1000 * 100);
+ ulong rndoff;
+
+ rndoff = (usec % 10) ? 1 : 0;
+
+ /* tenudelcnt timer tick gives 10 microsecconds delay */
+ tmo = ((usec / 10) + rndoff) * tenudelcnt;
+
+ while ((ulong) (get_timer_masked() - start) < tmo)
+ ;
+}
+
+void reset_timer_masked(void)
+{
+ /* reset time */
+ lastdec = READ_TIMER();
+ timestamp = 0;
+}
+
+ulong get_timer_masked(void)
+{
+ ulong now = READ_TIMER();
+
+ if (now >= lastdec) {
+ /* normal mode */
+ timestamp += now - lastdec;
+ } else {
+ /* we have an overflow ... */
+ timestamp += now + GPT_FREE_RUNNING - lastdec;
+ }
+ lastdec = now;
+
+ return timestamp;
+}
+
+void udelay_masked(unsigned long usec)
+{
+ return udelay(usec);
+}
+
+/*
+ * This function is derived from PowerPC code (read timebase as long long).
+ * On ARM it just returns the timer value.
+ */
+unsigned long long get_ticks(void)
+{
+ return get_timer(0);
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ return CONFIG_SPEAR_HZ;
+}
--- /dev/null
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, STMicroelectronics, <vipin.kumar@st.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
+ */
+
+#ifndef _ASM_ARCH_HARDWARE_H
+#define _ASM_ARCH_HARDWARE_H
+
+#define CONFIG_SYS_USBD_BASE (0xE1100000)
+#define CONFIG_SYS_PLUG_BASE (0xE1200000)
+#define CONFIG_SYS_FIFO_BASE (0xE1000800)
+#define CONFIG_SYS_SMI_BASE (0xFC000000)
+#define CONFIG_SPEAR_SYSCNTLBASE (0xFCA00000)
+#define CONFIG_SPEAR_TIMERBASE (0xFC800000)
+#define CONFIG_SPEAR_MISCBASE (0xFCA80000)
+
+#define CONFIG_SYS_NAND_CLE (1 << 16)
+#define CONFIG_SYS_NAND_ALE (1 << 17)
+
+#if defined(CONFIG_SPEAR600)
+#define CONFIG_SYS_I2C_BASE (0xD0200000)
+#define CONFIG_SPEAR_FSMCBASE (0xD1800000)
+
+#elif defined(CONFIG_SPEAR300)
+#define CONFIG_SYS_I2C_BASE (0xD0180000)
+#define CONFIG_SPEAR_FSMCBASE (0x94000000)
+
+#elif defined(CONFIG_SPEAR310)
+#define CONFIG_SYS_I2C_BASE (0xD0180000)
+#define CONFIG_SPEAR_FSMCBASE (0x44000000)
+
+#undef CONFIG_SYS_NAND_CLE
+#undef CONFIG_SYS_NAND_ALE
+#define CONFIG_SYS_NAND_CLE (1 << 17)
+#define CONFIG_SYS_NAND_ALE (1 << 16)
+
+#define CONFIG_SPEAR_EMIBASE (0x4F000000)
+#define CONFIG_SPEAR_RASBASE (0xB4000000)
+
+#elif defined(CONFIG_SPEAR320)
+#define CONFIG_SYS_I2C_BASE (0xD0180000)
+#define CONFIG_SPEAR_FSMCBASE (0x4C000000)
+
+#define CONFIG_SPEAR_EMIBASE (0x40000000)
+#define CONFIG_SPEAR_RASBASE (0xB3000000)
+
+#endif
+#endif /* _ASM_ARCH_HARDWARE_H */
--- /dev/null
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.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
+ */
+
+#ifndef _SPR_GPT_H
+#define _SPR_GPT_H
+
+struct gpt_regs {
+ u8 reserved[0x80];
+ u32 control;
+ u32 status;
+ u32 compare;
+ u32 count;
+ u32 capture_re;
+ u32 capture_fe;
+};
+
+/*
+ * TIMER_CONTROL register settings
+ */
+
+#define GPT_PRESCALER_MASK 0x000F
+#define GPT_PRESCALER_1 0x0000
+#define GPT_PRESCALER_2 0x0001
+#define GPT_PRESCALER_4 0x0002
+#define GPT_PRESCALER_8 0x0003
+#define GPT_PRESCALER_16 0x0004
+#define GPT_PRESCALER_32 0x0005
+#define GPT_PRESCALER_64 0x0006
+#define GPT_PRESCALER_128 0x0007
+#define GPT_PRESCALER_256 0x0008
+
+#define GPT_MODE_SINGLE_SHOT 0x0010
+#define GPT_MODE_AUTO_RELOAD 0x0000
+
+#define GPT_ENABLE 0x0020
+
+#define GPT_CAPT_MODE_MASK 0x00C0
+#define GPT_CAPT_MODE_NONE 0x0000
+#define GPT_CAPT_MODE_RE 0x0040
+#define GPT_CAPT_MODE_FE 0x0080
+#define GPT_CAPT_MODE_BOTH 0x00C0
+
+#define GPT_INT_MATCH 0x0100
+#define GPT_INT_FE 0x0200
+#define GPT_INT_RE 0x0400
+
+/*
+ * TIMER_STATUS register settings
+ */
+
+#define GPT_STS_MATCH 0x0001
+#define GPT_STS_FE 0x0002
+#define GPT_STS_RE 0x0004
+
+/*
+ * TIMER_COMPARE register settings
+ */
+
+#define GPT_FREE_RUNNING 0xFFFF
+
+/* Timer, HZ specific defines */
+#define CONFIG_SPEAR_HZ (1000)
+#define CONFIG_SPEAR_HZ_CLOCK (8300000)
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2009
+ * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.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
+ */
+
+#ifndef _SPR_MISC_H
+#define _SPR_MISC_H
+
+struct misc_regs {
+ u32 auto_cfg_reg; /* 0x0 */
+ u32 armdbg_ctr_reg; /* 0x4 */
+ u32 pll1_cntl; /* 0x8 */
+ u32 pll1_frq; /* 0xc */
+ u32 pll1_mod; /* 0x10 */
+ u32 pll2_cntl; /* 0x14 */
+ u32 pll2_frq; /* 0x18 */
+ u32 pll2_mod; /* 0x1C */
+ u32 pll_ctr_reg; /* 0x20 */
+ u32 amba_clk_cfg; /* 0x24 */
+ u32 periph_clk_cfg; /* 0x28 */
+ u32 periph1_clken; /* 0x2C */
+ u32 periph2_clken; /* 0x30 */
+ u32 ras_clken; /* 0x34 */
+ u32 periph1_rst; /* 0x38 */
+ u32 periph2_rst; /* 0x3C */
+ u32 ras_rst; /* 0x40 */
+ u32 prsc1_clk_cfg; /* 0x44 */
+ u32 prsc2_clk_cfg; /* 0x48 */
+ u32 prsc3_clk_cfg; /* 0x4C */
+ u32 amem_cfg_ctrl; /* 0x50 */
+ u32 port_cfg_ctrl; /* 0x54 */
+ u32 reserved_1; /* 0x58 */
+ u32 clcd_synth_clk; /* 0x5C */
+ u32 irda_synth_clk; /* 0x60 */
+ u32 uart_synth_clk; /* 0x64 */
+ u32 gmac_synth_clk; /* 0x68 */
+ u32 ras_synth1_clk; /* 0x6C */
+ u32 ras_synth2_clk; /* 0x70 */
+ u32 ras_synth3_clk; /* 0x74 */
+ u32 ras_synth4_clk; /* 0x78 */
+ u32 arb_icm_ml1; /* 0x7C */
+ u32 arb_icm_ml2; /* 0x80 */
+ u32 arb_icm_ml3; /* 0x84 */
+ u32 arb_icm_ml4; /* 0x88 */
+ u32 arb_icm_ml5; /* 0x8C */
+ u32 arb_icm_ml6; /* 0x90 */
+ u32 arb_icm_ml7; /* 0x94 */
+ u32 arb_icm_ml8; /* 0x98 */
+ u32 arb_icm_ml9; /* 0x9C */
+ u32 dma_src_sel; /* 0xA0 */
+ u32 uphy_ctr_reg; /* 0xA4 */
+ u32 gmac_ctr_reg; /* 0xA8 */
+ u32 port_bridge_ctrl; /* 0xAC */
+ u32 reserved_2[4]; /* 0xB0--0xBC */
+ u32 prc1_ilck_ctrl_reg; /* 0xC0 */
+ u32 prc2_ilck_ctrl_reg; /* 0xC4 */
+ u32 prc3_ilck_ctrl_reg; /* 0xC8 */
+ u32 prc4_ilck_ctrl_reg; /* 0xCC */
+ u32 prc1_intr_ctrl_reg; /* 0xD0 */
+ u32 prc2_intr_ctrl_reg; /* 0xD4 */
+ u32 prc3_intr_ctrl_reg; /* 0xD8 */
+ u32 prc4_intr_ctrl_reg; /* 0xDC */
+ u32 powerdown_cfg_reg; /* 0xE0 */
+ u32 ddr_1v8_compensation; /* 0xE4 */
+ u32 ddr_2v5_compensation; /* 0xE8 */
+ u32 core_3v3_compensation; /* 0xEC */
+ u32 ddr_pad; /* 0xF0 */
+ u32 bist1_ctr_reg; /* 0xF4 */
+ u32 bist2_ctr_reg; /* 0xF8 */
+ u32 bist3_ctr_reg; /* 0xFC */
+ u32 bist4_ctr_reg; /* 0x100 */
+ u32 bist5_ctr_reg; /* 0x104 */
+ u32 bist1_rslt_reg; /* 0x108 */
+ u32 bist2_rslt_reg; /* 0x10C */
+ u32 bist3_rslt_reg; /* 0x110 */
+ u32 bist4_rslt_reg; /* 0x114 */
+ u32 bist5_rslt_reg; /* 0x118 */
+ u32 syst_error_reg; /* 0x11C */
+ u32 reserved_3[0x1FB8]; /* 0x120--0x7FFC */
+ u32 ras_gpp1_in; /* 0x8000 */
+ u32 ras_gpp2_in; /* 0x8004 */
+ u32 ras_gpp1_out; /* 0x8008 */
+ u32 ras_gpp2_out; /* 0x800C */
+};
+
+/* AUTO_CFG_REG value */
+#define MISC_SOCCFGMSK 0x0000003F
+#define MISC_SOCCFG30 0x0000000C
+#define MISC_SOCCFG31 0x0000000D
+#define MISC_NANDDIS 0x00020000
+
+/* PERIPH_CLK_CFG value */
+#define MISC_GPT3SYNTH 0x00000400
+#define MISC_GPT4SYNTH 0x00000800
+
+/* PRSC_CLK_CFG value */
+/*
+ * Fout = Fin / (2^(N+1) * (M + 1))
+ */
+#define MISC_PRSC_N_1 0x00001000
+#define MISC_PRSC_M_9 0x00000009
+#define MISC_PRSC_N_4 0x00004000
+#define MISC_PRSC_M_399 0x0000018F
+#define MISC_PRSC_N_6 0x00006000
+#define MISC_PRSC_M_2593 0x00000A21
+#define MISC_PRSC_M_124 0x0000007C
+#define MISC_PRSC_CFG (MISC_PRSC_N_1 | MISC_PRSC_M_9)
+
+/* PERIPH1_CLKEN, PERIPH1_RST value */
+#define MISC_USBDENB 0x01000000
+
+#endif
--- /dev/null
+/*
+ * (C) Copyright 2009
+ * Ryan CHEN, ST Micoelectronics, ryan.chen@st.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
+ */
+
+struct syscntl_regs {
+ u32 scctrl;
+ u32 scsysstat;
+ u32 scimctrl;
+ u32 scimsysstat;
+ u32 scxtalctrl;
+ u32 scpllctrl;
+ u32 scpllfctrl;
+ u32 scperctrl0;
+ u32 scperctrl1;
+ u32 scperen;
+ u32 scperdis;
+ const u32 scperclken;
+ const u32 scperstat;
+};
projects / u-boot / commitdiff