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authorPeter Tyser <ptyser@xes-inc.com>2010-04-12 22:28:11 -0500
committerWolfgang Denk <wd@denx.de>2010-04-13 09:13:24 +0200
commit84ad688473bec2875e171b71040eb9e033c6c206 (patch)
treecf181129cbdf5d833d55262f759ea2cd9cafaff7 /cpu/arm1176/s3c64xx
parent8f0fec74ac6d0f3a7134ccebafa1ed9bd8c712ba (diff)
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arm: Move cpu/$CPU to arch/arm/cpu/$CPU
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'cpu/arm1176/s3c64xx')
-rw-r--r--cpu/arm1176/s3c64xx/Makefile50
-rw-r--r--cpu/arm1176/s3c64xx/config.mk32
-rw-r--r--cpu/arm1176/s3c64xx/cpu_init.S135
-rw-r--r--cpu/arm1176/s3c64xx/reset.S34
-rw-r--r--cpu/arm1176/s3c64xx/speed.c145
-rw-r--r--cpu/arm1176/s3c64xx/timer.c177
6 files changed, 0 insertions, 573 deletions
diff --git a/cpu/arm1176/s3c64xx/Makefile b/cpu/arm1176/s3c64xx/Makefile
deleted file mode 100644
index b527939..0000000
--- a/cpu/arm1176/s3c64xx/Makefile
+++ /dev/null
@@ -1,50 +0,0 @@
-#
-# (C) Copyright 2000-2003
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# (C) Copyright 2008
-# Guennadi Liakhovetki, DENX Software Engineering, <lg@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
-
-SOBJS = reset.o
-
-COBJS-$(CONFIG_S3C6400) += cpu_init.o speed.o
-COBJS-y += timer.o
-
-OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS-y))
-
-all: $(obj).depend $(START) $(LIB)
-
-$(LIB): $(OBJS)
- $(AR) $(ARFLAGS) $@ $(OBJS)
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
diff --git a/cpu/arm1176/s3c64xx/config.mk b/cpu/arm1176/s3c64xx/config.mk
deleted file mode 100644
index 14346cf..0000000
--- a/cpu/arm1176/s3c64xx/config.mk
+++ /dev/null
@@ -1,32 +0,0 @@
-#
-# (C) Copyright 2002
-# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
-#
-# See file CREDITS for list of people who contributed to this
-# project.
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License as
-# published by the Free Software Foundation; either version 2 of
-# the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
-# MA 02111-1307 USA
-#
-PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float
-
-# Make ARMv5 to allow more compilers to work, even though its v6.
-PLATFORM_CPPFLAGS += -march=armv5t
-# =========================================================================
-#
-# Supply options according to compiler version
-#
-# =========================================================================
-PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,$(call cc-option,-malignment-traps,))
diff --git a/cpu/arm1176/s3c64xx/cpu_init.S b/cpu/arm1176/s3c64xx/cpu_init.S
deleted file mode 100644
index df88cba..0000000
--- a/cpu/arm1176/s3c64xx/cpu_init.S
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Originates from Samsung's u-boot 1.1.6 port to S3C6400 / SMDK6400
- *
- * Copyright (C) 2008
- * Guennadi Liakhovetki, DENX Software Engineering, <lg@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 <config.h>
-#include <asm/arch/s3c6400.h>
-
- .globl mem_ctrl_asm_init
-mem_ctrl_asm_init:
- /* DMC1 base address 0x7e001000 */
- ldr r0, =ELFIN_DMC1_BASE
-
- ldr r1, =0x4
- str r1, [r0, #INDEX_DMC_MEMC_CMD]
-
- ldr r1, =DMC_DDR_REFRESH_PRD
- str r1, [r0, #INDEX_DMC_REFRESH_PRD]
-
- ldr r1, =DMC_DDR_CAS_LATENCY
- str r1, [r0, #INDEX_DMC_CAS_LATENCY]
-
- ldr r1, =DMC_DDR_t_DQSS
- str r1, [r0, #INDEX_DMC_T_DQSS]
-
- ldr r1, =DMC_DDR_t_MRD
- str r1, [r0, #INDEX_DMC_T_MRD]
-
- ldr r1, =DMC_DDR_t_RAS
- str r1, [r0, #INDEX_DMC_T_RAS]
-
- ldr r1, =DMC_DDR_t_RC
- str r1, [r0, #INDEX_DMC_T_RC]
-
- ldr r1, =DMC_DDR_t_RCD
- ldr r2, =DMC_DDR_schedule_RCD
- orr r1, r1, r2
- str r1, [r0, #INDEX_DMC_T_RCD]
-
- ldr r1, =DMC_DDR_t_RFC
- ldr r2, =DMC_DDR_schedule_RFC
- orr r1, r1, r2
- str r1, [r0, #INDEX_DMC_T_RFC]
-
- ldr r1, =DMC_DDR_t_RP
- ldr r2, =DMC_DDR_schedule_RP
- orr r1, r1, r2
- str r1, [r0, #INDEX_DMC_T_RP]
-
- ldr r1, =DMC_DDR_t_RRD
- str r1, [r0, #INDEX_DMC_T_RRD]
-
- ldr r1, =DMC_DDR_t_WR
- str r1, [r0, #INDEX_DMC_T_WR]
-
- ldr r1, =DMC_DDR_t_WTR
- str r1, [r0, #INDEX_DMC_T_WTR]
-
- ldr r1, =DMC_DDR_t_XP
- str r1, [r0, #INDEX_DMC_T_XP]
-
- ldr r1, =DMC_DDR_t_XSR
- str r1, [r0, #INDEX_DMC_T_XSR]
-
- ldr r1, =DMC_DDR_t_ESR
- str r1, [r0, #INDEX_DMC_T_ESR]
-
- ldr r1, =DMC1_MEM_CFG
- str r1, [r0, #INDEX_DMC_MEMORY_CFG]
-
- ldr r1, =DMC1_MEM_CFG2
- str r1, [r0, #INDEX_DMC_MEMORY_CFG2]
-
- ldr r1, =DMC1_CHIP0_CFG
- str r1, [r0, #INDEX_DMC_CHIP_0_CFG]
-
- ldr r1, =DMC_DDR_32_CFG
- str r1, [r0, #INDEX_DMC_USER_CONFIG]
-
- /* DMC0 DDR Chip 0 configuration direct command reg */
- ldr r1, =DMC_NOP0
- str r1, [r0, #INDEX_DMC_DIRECT_CMD]
-
- /* Precharge All */
- ldr r1, =DMC_PA0
- str r1, [r0, #INDEX_DMC_DIRECT_CMD]
-
- /* Auto Refresh 2 time */
- ldr r1, =DMC_AR0
- str r1, [r0, #INDEX_DMC_DIRECT_CMD]
- str r1, [r0, #INDEX_DMC_DIRECT_CMD]
-
- /* MRS */
- ldr r1, =DMC_mDDR_EMR0
- str r1, [r0, #INDEX_DMC_DIRECT_CMD]
-
- /* Mode Reg */
- ldr r1, =DMC_mDDR_MR0
- str r1, [r0, #INDEX_DMC_DIRECT_CMD]
-
- /* Enable DMC1 */
- mov r1, #0x0
- str r1, [r0, #INDEX_DMC_MEMC_CMD]
-
-check_dmc1_ready:
- ldr r1, [r0, #INDEX_DMC_MEMC_STATUS]
- mov r2, #0x3
- and r1, r1, r2
- cmp r1, #0x1
- bne check_dmc1_ready
- nop
-
- mov pc, lr
-
- .ltorg
diff --git a/cpu/arm1176/s3c64xx/reset.S b/cpu/arm1176/s3c64xx/reset.S
deleted file mode 100644
index eae572e..0000000
--- a/cpu/arm1176/s3c64xx/reset.S
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2009 Samsung Electronics.
- * Minkyu Kang <mk7.kang@samsung.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 <asm/arch/s3c6400.h>
-
-.globl reset_cpu
-reset_cpu:
- ldr r1, =ELFIN_CLOCK_POWER_BASE
- ldr r2, [r1, #SYS_ID_OFFSET]
- ldr r3, =0xffff
- and r2, r3, r2, lsr #12
- str r2, [r1, #SW_RST_OFFSET]
-_loop_forever:
- b _loop_forever
diff --git a/cpu/arm1176/s3c64xx/speed.c b/cpu/arm1176/s3c64xx/speed.c
deleted file mode 100644
index 11962ac..0000000
--- a/cpu/arm1176/s3c64xx/speed.c
+++ /dev/null
@@ -1,145 +0,0 @@
-/*
- * (C) Copyright 2001-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2002
- * David Mueller, ELSOFT AG, d.mueller@elsoft.ch
- *
- * 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
- */
-
-/*
- * This code should work for both the S3C2400 and the S3C2410
- * as they seem to have the same PLL and clock machinery inside.
- * The different address mapping is handled by the s3c24xx.h files below.
- */
-
-#include <common.h>
-#include <asm/arch/s3c6400.h>
-
-#define APLL 0
-#define MPLL 1
-#define EPLL 2
-
-/* ------------------------------------------------------------------------- */
-/*
- * NOTE: This describes the proper use of this file.
- *
- * CONFIG_SYS_CLK_FREQ should be defined as the input frequency of the PLL.
- *
- * get_FCLK(), get_HCLK(), get_PCLK() and get_UCLK() return the clock of
- * the specified bus in HZ.
- */
-/* ------------------------------------------------------------------------- */
-
-static ulong get_PLLCLK(int pllreg)
-{
- ulong r, m, p, s;
-
- switch (pllreg) {
- case APLL:
- r = APLL_CON_REG;
- break;
- case MPLL:
- r = MPLL_CON_REG;
- break;
- case EPLL:
- r = EPLL_CON0_REG;
- break;
- default:
- hang();
- }
-
- m = (r >> 16) & 0x3ff;
- p = (r >> 8) & 0x3f;
- s = r & 0x7;
-
- return m * (CONFIG_SYS_CLK_FREQ / (p * (1 << s)));
-}
-
-/* return ARMCORE frequency */
-ulong get_ARMCLK(void)
-{
- ulong div;
-
- div = CLK_DIV0_REG;
-
- return get_PLLCLK(APLL) / ((div & 0x7) + 1);
-}
-
-/* return FCLK frequency */
-ulong get_FCLK(void)
-{
- return get_PLLCLK(APLL);
-}
-
-/* return HCLK frequency */
-ulong get_HCLK(void)
-{
- ulong fclk;
-
- uint hclkx2_div = ((CLK_DIV0_REG >> 9) & 0x7) + 1;
- uint hclk_div = ((CLK_DIV0_REG >> 8) & 0x1) + 1;
-
- /*
- * Bit 7 exists on s3c6410, and not on s3c6400, it is reserved on
- * s3c6400 and is always 0, and it is indeed running in ASYNC mode
- */
- if (OTHERS_REG & 0x80)
- fclk = get_FCLK(); /* SYNC Mode */
- else
- fclk = get_PLLCLK(MPLL); /* ASYNC Mode */
-
- return fclk / (hclk_div * hclkx2_div);
-}
-
-/* return PCLK frequency */
-ulong get_PCLK(void)
-{
- ulong fclk;
- uint hclkx2_div = ((CLK_DIV0_REG >> 9) & 0x7) + 1;
- uint pre_div = ((CLK_DIV0_REG >> 12) & 0xf) + 1;
-
- if (OTHERS_REG & 0x80)
- fclk = get_FCLK(); /* SYNC Mode */
- else
- fclk = get_PLLCLK(MPLL); /* ASYNC Mode */
-
- return fclk / (hclkx2_div * pre_div);
-}
-
-/* return UCLK frequency */
-ulong get_UCLK(void)
-{
- return get_PLLCLK(EPLL);
-}
-
-int print_cpuinfo(void)
-{
- printf("\nCPU: S3C6400@%luMHz\n", get_ARMCLK() / 1000000);
- printf(" Fclk = %luMHz, Hclk = %luMHz, Pclk = %luMHz ",
- get_FCLK() / 1000000, get_HCLK() / 1000000,
- get_PCLK() / 1000000);
-
- if (OTHERS_REG & 0x80)
- printf("(SYNC Mode) \n");
- else
- printf("(ASYNC Mode) \n");
- return 0;
-}
diff --git a/cpu/arm1176/s3c64xx/timer.c b/cpu/arm1176/s3c64xx/timer.c
deleted file mode 100644
index 9768319..0000000
--- a/cpu/arm1176/s3c64xx/timer.c
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- * (C) Copyright 2003
- * Texas Instruments <www.ti.com>
- *
- * (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 2002-2004
- * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de>
- *
- * (C) Copyright 2004
- * Philippe Robin, ARM Ltd. <philippe.robin@arm.com>
- *
- * (C) Copyright 2008
- * Guennadi Liakhovetki, DENX Software Engineering, <lg@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/proc-armv/ptrace.h>
-#include <asm/arch/s3c6400.h>
-#include <div64.h>
-
-static ulong timer_load_val;
-
-#define PRESCALER 167
-
-static s3c64xx_timers *s3c64xx_get_base_timers(void)
-{
- return (s3c64xx_timers *)ELFIN_TIMER_BASE;
-}
-
-/* macro to read the 16 bit timer */
-static inline ulong read_timer(void)
-{
- s3c64xx_timers *const timers = s3c64xx_get_base_timers();
-
- return timers->TCNTO4;
-}
-
-/* Internal tick units */
-/* Last decremneter snapshot */
-static unsigned long lastdec;
-/* Monotonic incrementing timer */
-static unsigned long long timestamp;
-
-int timer_init(void)
-{
- s3c64xx_timers *const timers = s3c64xx_get_base_timers();
-
- /* use PWM Timer 4 because it has no output */
- /*
- * We use the following scheme for the timer:
- * Prescaler is hard fixed at 167, divider at 1/4.
- * This gives at PCLK frequency 66MHz approx. 10us ticks
- * The timer is set to wrap after 100s, at 66MHz this obviously
- * happens after 10,000,000 ticks. A long variable can thus
- * keep values up to 40,000s, i.e., 11 hours. This should be
- * enough for most uses:-) Possible optimizations: select a
- * binary-friendly frequency, e.g., 1ms / 128. Also calculate
- * the prescaler automatically for other PCLK frequencies.
- */
- timers->TCFG0 = PRESCALER << 8;
- if (timer_load_val == 0) {
- timer_load_val = get_PCLK() / PRESCALER * (100 / 4); /* 100s */
- timers->TCFG1 = (timers->TCFG1 & ~0xf0000) | 0x20000;
- }
-
- /* load value for 10 ms timeout */
- lastdec = timers->TCNTB4 = timer_load_val;
- /* auto load, manual update of Timer 4 */
- timers->TCON = (timers->TCON & ~0x00700000) | TCON_4_AUTO |
- TCON_4_UPDATE;
-
- /* auto load, start Timer 4 */
- timers->TCON = (timers->TCON & ~0x00700000) | TCON_4_AUTO | COUNT_4_ON;
- timestamp = 0;
-
- return 0;
-}
-
-/*
- * timer without interrupts
- */
-
-/*
- * 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)
-{
- ulong now = read_timer();
-
- if (lastdec >= now) {
- /* normal mode */
- timestamp += lastdec - now;
- } else {
- /* we have an overflow ... */
- timestamp += lastdec + timer_load_val - now;
- }
- lastdec = now;
-
- return timestamp;
-}
-
-/*
- * 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)
-{
- /* We overrun in 100s */
- return (ulong)(timer_load_val / 100);
-}
-
-void reset_timer_masked(void)
-{
- /* reset time */
- lastdec = read_timer();
- timestamp = 0;
-}
-
-void reset_timer(void)
-{
- reset_timer_masked();
-}
-
-ulong get_timer_masked(void)
-{
- unsigned long long res = get_ticks();
- do_div (res, (timer_load_val / (100 * CONFIG_SYS_HZ)));
- return res;
-}
-
-ulong get_timer(ulong base)
-{
- return get_timer_masked() - base;
-}
-
-void set_timer(ulong t)
-{
- timestamp = t * (timer_load_val / (100 * CONFIG_SYS_HZ));
-}
-
-void __udelay(unsigned long usec)
-{
- unsigned long long tmp;
- ulong tmo;
-
- tmo = (usec + 9) / 10;
- tmp = get_ticks() + tmo; /* get current timestamp */
-
- while (get_ticks() < tmp)/* loop till event */
- /*NOP*/;
-}