Merge branch 'master' of git://git.denx.de/u-boot-arm

Conflicts:
	cpu/arm1176/cpu.c
	cpu/arm1176/start.S
	cpu/arm_cortexa8/s5pc1xx/Makefile
	cpu/arm_cortexa8/s5pc1xx/clock.c
	drivers/serial/serial_s5p.c
	include/asm-arm/arch-s5pc1xx/clk.h
	include/asm-arm/arch-s5pc1xx/gpio.h
	include/asm-arm/arch-s5pc1xx/uart.h

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>

5 files changed, 587 insertions, 0 deletions

diff --git a/arch/sh/lib/Makefile b/arch/sh/lib/Makefile
new file mode 100644
index 0000000..f7c6479
--- /dev/null
+++ b/arch/sh/lib/Makefile
@@ -0,0 +1,48 @@
+#
+# Copyright (c) 2007
+# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+#
+# 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	= $(obj)lib$(ARCH).a
+
+SOBJS-y	+=
+
+COBJS-y	+= board.o
+COBJS-y	+= bootm.o
+ifeq ($(CONFIG_SH2),y)
+COBJS-y	+= time_sh2.o
+else
+COBJS-y	+= time.o
+endif
+
+SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(SOBJS-y) $(COBJS-y))
+
+$(LIB):	$(obj).depend $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/arch/sh/lib/board.c b/arch/sh/lib/board.c
new file mode 100644
index 0000000..c97e20c
--- /dev/null
+++ b/arch/sh/lib/board.c
@@ -0,0 +1,211 @@
+/*
+ * Copyright (C) 2007,2008
+ * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * 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 <command.h>
+#include <malloc.h>
+#include <stdio_dev.h>
+#include <timestamp.h>
+#include <version.h>
+#include <watchdog.h>
+#include <net.h>
+#include <environment.h>
+
+#ifdef CONFIG_BITBANGMII
+#include <miiphy.h>
+#endif
+
+extern int cpu_init(void);
+extern int board_init(void);
+extern int dram_init(void);
+extern int timer_init(void);
+
+const char version_string[] = U_BOOT_VERSION" ("U_BOOT_DATE" - "U_BOOT_TIME")";
+
+unsigned long monitor_flash_len = CONFIG_SYS_MONITOR_LEN;
+
+static int sh_flash_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	gd->bd->bi_flashsize = flash_init();
+	printf("FLASH: %ldMB\n", gd->bd->bi_flashsize / (1024*1024));
+
+	return 0;
+}
+
+#if defined(CONFIG_CMD_NAND)
+# include <nand.h>
+# define INIT_FUNC_NAND_INIT nand_init,
+#else
+# define INIT_FUNC_NAND_INIT
+#endif /* CONFIG_CMD_NAND */
+
+#if defined(CONFIG_WATCHDOG)
+extern int watchdog_init(void);
+extern int watchdog_disable(void);
+# define INIT_FUNC_WATCHDOG_INIT	watchdog_init,
+# define WATCHDOG_DISABLE       	watchdog_disable
+#else
+# define INIT_FUNC_WATCHDOG_INIT
+# define WATCHDOG_DISABLE
+#endif /* CONFIG_WATCHDOG */
+
+#if defined(CONFIG_CMD_IDE)
+# include <ide.h>
+# define INIT_FUNC_IDE_INIT	ide_init,
+#else
+# define INIT_FUNC_IDE_INIT
+#endif /* CONFIG_CMD_IDE */
+
+#if defined(CONFIG_PCI)
+#include <pci.h>
+static int sh_pci_init(void)
+{
+	pci_init();
+	return 0;
+}
+# define INIT_FUNC_PCI_INIT sh_pci_init,
+#else
+# define INIT_FUNC_PCI_INIT
+#endif /* CONFIG_PCI */
+
+static int sh_mem_env_init(void)
+{
+	mem_malloc_init(TEXT_BASE - CONFIG_SYS_GBL_DATA_SIZE -
+			CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN - 16);
+	env_relocate();
+	jumptable_init();
+	return 0;
+}
+
+#if defined(CONFIG_CMD_NET)
+static int sh_net_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+	gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr");
+	return 0;
+}
+#endif
+
+typedef int (init_fnc_t) (void);
+
+init_fnc_t *init_sequence[] =
+{
+	cpu_init,		/* basic cpu dependent setup */
+	board_init,		/* basic board dependent setup */
+	interrupt_init,	/* set up exceptions */
+	env_init,		/* event init */
+	serial_init,	/* SCIF init */
+	INIT_FUNC_WATCHDOG_INIT	/* watchdog init */
+	console_init_f,
+	display_options,
+	checkcpu,
+	checkboard,		/* Check support board */
+	dram_init,		/* SDRAM init */
+	timer_init,		/* SuperH Timer (TCNT0 only) init */
+	sh_mem_env_init,
+	sh_flash_init,	/* Flash memory(NOR) init*/
+	INIT_FUNC_NAND_INIT/* Flash memory (NAND) init */
+	INIT_FUNC_PCI_INIT	/* PCI init */
+	stdio_init,
+	console_init_r,
+	interrupt_init,
+#ifdef BOARD_LATE_INIT
+	board_late_init,
+#endif
+#if defined(CONFIG_CMD_NET)
+	sh_net_init,		/* SH specific eth init */
+#endif
+	NULL			/* Terminate this list */
+};
+
+void sh_generic_init(void)
+{
+	DECLARE_GLOBAL_DATA_PTR;
+
+	bd_t *bd;
+	init_fnc_t **init_fnc_ptr;
+
+	memset(gd, 0, CONFIG_SYS_GBL_DATA_SIZE);
+
+	gd->flags |= GD_FLG_RELOC;	/* tell others: relocation done */
+
+	gd->bd = (bd_t *)(gd + 1);	/* At end of global data */
+	gd->baudrate = CONFIG_BAUDRATE;
+
+	gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
+
+	bd = gd->bd;
+	bd->bi_memstart	= CONFIG_SYS_SDRAM_BASE;
+	bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE;
+	bd->bi_flashstart = CONFIG_SYS_FLASH_BASE;
+#if defined(CONFIG_SYS_SRAM_BASE) && defined(CONFIG_SYS_SRAM_SIZE)
+	bd->bi_sramstart = CONFIG_SYS_SRAM_BASE;
+	bd->bi_sramsize	= CONFIG_SYS_SRAM_SIZE;
+#endif
+	bd->bi_baudrate	= CONFIG_BAUDRATE;
+
+	for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
+		WATCHDOG_RESET();
+		if ((*init_fnc_ptr) () != 0)
+			hang();
+	}
+
+#ifdef CONFIG_WATCHDOG
+	/* disable watchdog if environment is set */
+	{
+		char *s = getenv("watchdog");
+		if (s != NULL)
+			if (strncmp(s, "off", 3) == 0)
+				WATCHDOG_DISABLE();
+	}
+#endif /* CONFIG_WATCHDOG*/
+
+
+#ifdef CONFIG_BITBANGMII
+	bb_miiphy_init();
+#endif
+#if defined(CONFIG_CMD_NET)
+	{
+		char *s;
+		puts("Net:   ");
+		eth_initialize(gd->bd);
+
+		s = getenv("bootfile");
+		if (s != NULL)
+			copy_filename(BootFile, s, sizeof(BootFile));
+	}
+#endif /* CONFIG_CMD_NET */
+
+	while (1) {
+		WATCHDOG_RESET();
+		main_loop();
+	}
+}
+
+/***********************************************************************/
+
+void hang(void)
+{
+	puts("Board ERROR\n");
+	for (;;)
+		;
+}
diff --git a/arch/sh/lib/bootm.c b/arch/sh/lib/bootm.c
new file mode 100644
index 0000000..ae1f869
--- /dev/null
+++ b/arch/sh/lib/bootm.c
@@ -0,0 +1,70 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (c) Copyright 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
+ * (c) Copyright 2008 Renesas Solutions Corp.
+ *
+ * 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 <command.h>
+#include <asm/byteorder.h>
+
+#ifdef CONFIG_SYS_DEBUG
+static void hexdump(unsigned char *buf, int len)
+{
+	int i;
+
+	for (i = 0; i < len; i++) {
+		if ((i % 16) == 0)
+			printf("%s%08x: ", i ? "\n" : "",
+							(unsigned int)&buf[i]);
+		printf("%02x ", buf[i]);
+	}
+	printf("\n");
+}
+#endif
+
+int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+{
+	/* Linux kernel load address */
+	void (*kernel) (void) = (void (*)(void))images->ep;
+	/* empty_zero_page */
+	unsigned char *param
+		= (unsigned char *)image_get_load(images->legacy_hdr_os);
+	/* Linux kernel command line */
+	char *cmdline = (char *)param + 0x100;
+	/* PAGE_SIZE */
+	unsigned long size = images->ep - (unsigned long)param;
+	char *bootargs = getenv("bootargs");
+
+	if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
+		return 1;
+
+	/* Setup parameters */
+	memset(param, 0, size);	/* Clear zero page */
+	strcpy(cmdline, bootargs);
+
+	kernel();
+	/* does not return */
+
+	return 1;
+}
diff --git a/arch/sh/lib/time.c b/arch/sh/lib/time.c
new file mode 100644
index 0000000..9a8f89a
--- /dev/null
+++ b/arch/sh/lib/time.c
@@ -0,0 +1,141 @@
+/*
+ * (C) Copyright 2009
+ * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
+ *
+ * (C) Copyright 2007-2008
+ * Nobobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * (C) Copyright 2003
+ * 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 <common.h>
+#include <div64.h>
+#include <asm/processor.h>
+#include <asm/clk.h>
+#include <asm/io.h>
+
+#define TMU_MAX_COUNTER (~0UL)
+
+static ulong timer_freq;
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+	tick *= CONFIG_SYS_HZ;
+	do_div(tick, timer_freq);
+
+	return tick;
+}
+
+static inline unsigned long long usec_to_tick(unsigned long long usec)
+{
+	usec *= timer_freq;
+	do_div(usec, 1000000);
+
+	return usec;
+}
+
+static void tmu_timer_start (unsigned int timer)
+{
+	if (timer > 2)
+		return;
+	writeb(readb(TSTR) | (1 << timer), TSTR);
+}
+
+static void tmu_timer_stop (unsigned int timer)
+{
+	if (timer > 2)
+		return;
+	writeb(readb(TSTR) & ~(1 << timer), TSTR);
+}
+
+int timer_init (void)
+{
+	/* Divide clock by CONFIG_SYS_TMU_CLK_DIV */
+	u16 bit = 0;
+
+	switch (CONFIG_SYS_TMU_CLK_DIV) {
+	case 1024:
+		bit = 4;
+		break;
+	case 256:
+		bit = 3;
+		break;
+	case 64:
+		bit = 2;
+		break;
+	case 16:
+		bit = 1;
+		break;
+	case 4:
+	default:
+		break;
+	}
+	writew(readw(TCR0) | bit, TCR0);
+
+	/* Calc clock rate */
+	timer_freq = get_tmu0_clk_rate() >> ((bit + 1) * 2);
+
+	tmu_timer_stop(0);
+	tmu_timer_start(0);
+
+	return 0;
+}
+
+unsigned long long get_ticks (void)
+{
+	return 0 - readl(TCNT0);
+}
+
+void __udelay (unsigned long usec)
+{
+	unsigned long long tmp;
+	ulong tmo;
+
+	tmo = usec_to_tick(usec);
+	tmp = get_ticks() + tmo;	/* get current timestamp */
+
+	while (get_ticks() < tmp)	/* loop till event */
+		 /*NOP*/;
+}
+
+unsigned long get_timer (unsigned long base)
+{
+	/* return msec */
+	return tick_to_time(get_ticks()) - base;
+}
+
+void set_timer (unsigned long t)
+{
+	writel((0 - t), TCNT0);
+}
+
+void reset_timer (void)
+{
+	tmu_timer_stop(0);
+	set_timer (0);
+	tmu_timer_start(0);
+}
+
+unsigned long get_tbclk (void)
+{
+	return timer_freq;
+}
diff --git a/arch/sh/lib/time_sh2.c b/arch/sh/lib/time_sh2.c
new file mode 100644
index 0000000..789b46f
--- /dev/null
+++ b/arch/sh/lib/time_sh2.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2007,2008 Nobobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ *
+ * (C) Copyright 2003
+ * 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 <common.h>
+#include <asm/io.h>
+#include <asm/processor.h>
+
+#define CMT_CMCSR_INIT	0x0001	/* PCLK/32 */
+#define CMT_CMCSR_CALIB 0x0000
+#define CMT_MAX_COUNTER (0xFFFFFFFF)
+#define CMT_TIMER_RESET (0xFFFF)
+
+static vu_long cmt0_timer;
+
+static void cmt_timer_start(unsigned int timer)
+{
+	writew(readw(CMSTR) | 0x01, CMSTR);
+}
+
+static void cmt_timer_stop(unsigned int timer)
+{
+	writew(readw(CMSTR) & ~0x01, CMSTR);
+}
+
+int timer_init(void)
+{
+	cmt0_timer = 0;
+	/* Divide clock by 32 */
+	readw(CMCSR_0);
+	writew(CMT_CMCSR_INIT, CMCSR_0);
+
+	/* User Device 0 only */
+	cmt_timer_stop(0);
+	set_timer(CMT_TIMER_RESET);
+	cmt_timer_start(0);
+
+	return 0;
+}
+
+unsigned long long get_ticks(void)
+{
+	return cmt0_timer;
+}
+
+static vu_long cmcnt = 0;
+static unsigned long get_usec (void)
+{
+	ulong data = readw(CMCNT_0);
+
+	if (data >= cmcnt)
+		cmcnt = data - cmcnt;
+	else
+		cmcnt = (CMT_TIMER_RESET - cmcnt) + data;
+
+	if ((cmt0_timer + cmcnt) > CMT_MAX_COUNTER)
+		cmt0_timer = ((cmt0_timer + cmcnt) - CMT_MAX_COUNTER);
+	else
+		cmt0_timer += cmcnt;
+
+	cmcnt = data;
+	return cmt0_timer;
+}
+
+/* return msec */
+ulong get_timer(ulong base)
+{
+	return (get_usec() / 1000) - base;
+}
+
+void set_timer(ulong t)
+{
+	writew((u16) t, CMCOR_0);
+}
+
+void reset_timer(void)
+{
+	cmt_timer_stop(0);
+	set_timer(CMT_TIMER_RESET);
+	cmt0_timer = 0;
+	cmt_timer_start(0);
+}
+
+void __udelay(unsigned long usec)
+{
+	unsigned long end = get_usec() + usec;
+
+	while (get_usec() < end)
+		continue;
+}
+
+unsigned long get_tbclk(void)
+{
+	return CONFIG_SYS_HZ;
+}