Commit 566c9c16 authored by Vipin KUMAR's avatar Vipin KUMAR Committed by Tom Rix

SPEAr : Support added for SPEAr600 board

SPEAr600 SoC support contains basic spear600 support along with the
usage of following drivers
- serial driver(UART)
- i2c driver
- smi driver
- nand driver(FSMC)
- usbd driver
Signed-off-by: default avatarVipin <vipin.kumar@st.com>
parent 62db1c0d
......@@ -574,6 +574,7 @@ LIST_ARM9=" \
sheevaplug \
smdk2400 \
smdk2410 \
spear600 \
trab \
VCMA9 \
versatile \
......
......@@ -3036,6 +3036,9 @@ smdk2400_config : unconfig
smdk2410_config : unconfig
@$(MKCONFIG) $(@:_config=) arm arm920t smdk2410 samsung s3c24x0
spear600_config : unconfig
@$(MKCONFIG) -n $@ -t $(@:_config=) spear6xx arm arm926ejs $(@:_config=) spear spear
SX1_stdout_serial_config \
SX1_config: unconfig
@mkdir -p $(obj)include
......
#
# (C) Copyright 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 $(TOPDIR)/config.mk
ifneq ($(OBJTREE),$(SRCTREE))
$(shell mkdir -p $(obj)board/$(VENDOR)/common)
endif
LIB = $(obj)lib$(VENDOR).a
COBJS := spr_misc.o
SOBJS := spr_lowlevel_init.o
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
#########################################################################
# This is for $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################
/*
* (C) Copyright 2006
* 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 <config.h>
/*
* platform specific initializations are already done in Xloader
* Initializations already done include
* DDR, PLLs, IP's clock enable and reset release etc
*/
.globl lowlevel_init
lowlevel_init:
/* By default, U-Boot switches CPU to low-vector */
/* Revert this as we work in high vector even in U-Boot */
mrc p15, 0, r0, c1, c0, 0
orr r0, r0, #0x00002000
mcr p15, 0, r0, c1, c0, 0
mov pc, lr
/* void setfreq(unsigned int device, unsigned int frequency) */
.global setfreq
setfreq:
stmfd sp!,{r14}
stmfd sp!,{r0-r12}
mov r8,sp
ldr sp,SRAM_STACK_V
/* Saving the function arguements for later use */
mov r4,r0
mov r5,r1
/* Putting DDR into self refresh */
ldr r0,DDR_07_V
ldr r1,[r0]
ldr r2,DDR_ACTIVE_V
bic r1, r1, r2
str r1,[r0]
ldr r0,DDR_57_V
ldr r1,[r0]
ldr r2,CYCLES_MASK_V
bic r1, r1, r2
ldr r2,REFRESH_CYCLES_V
orr r1, r1, r2, lsl #16
str r1,[r0]
ldr r0,DDR_07_V
ldr r1,[r0]
ldr r2,SREFRESH_MASK_V
orr r1, r1, r2
str r1,[r0]
/* flush pipeline */
b flush
.align 5
flush:
/* Delay to ensure self refresh mode */
ldr r0,SREFRESH_DELAY_V
delay:
sub r0,r0,#1
cmp r0,#0
bne delay
/* Putting system in slow mode */
ldr r0,SCCTRL_V
mov r1,#2
str r1,[r0]
/* Changing PLL(1/2) frequency */
mov r0,r4
mov r1,r5
cmp r4,#0
beq pll1_freq
/* Change PLL2 (DDR frequency) */
ldr r6,PLL2_FREQ_V
ldr r7,PLL2_CNTL_V
b pll2_freq
pll1_freq:
/* Change PLL1 (CPU frequency) */
ldr r6,PLL1_FREQ_V
ldr r7,PLL1_CNTL_V
pll2_freq:
mov r0,r6
ldr r1,[r0]
ldr r2,PLLFREQ_MASK_V
bic r1,r1,r2
mov r2,r5,lsr#1
orr r1,r1,r2,lsl#24
str r1,[r0]
mov r0,r7
ldr r1,P1C0A_V
str r1,[r0]
ldr r1,P1C0E_V
str r1,[r0]
ldr r1,P1C06_V
str r1,[r0]
ldr r1,P1C0E_V
str r1,[r0]
lock:
ldr r1,[r0]
and r1,r1,#1
cmp r1,#0
beq lock
/* Putting system back to normal mode */
ldr r0,SCCTRL_V
mov r1,#4
str r1,[r0]
/* Putting DDR back to normal */
ldr r0,DDR_07_V
ldr r1,[R0]
ldr r2,SREFRESH_MASK_V
bic r1, r1, r2
str r1,[r0]
ldr r2,DDR_ACTIVE_V
orr r1, r1, r2
str r1,[r0]
/* Delay to ensure self refresh mode */
ldr r0,SREFRESH_DELAY_V
1:
sub r0,r0,#1
cmp r0,#0
bne 1b
mov sp,r8
/* Resuming back to code */
ldmia sp!,{r0-r12}
ldmia sp!,{pc}
SCCTRL_V:
.word 0xfca00000
PLL1_FREQ_V:
.word 0xfca8000C
PLL1_CNTL_V:
.word 0xfca80008
PLL2_FREQ_V:
.word 0xfca80018
PLL2_CNTL_V:
.word 0xfca80014
PLLFREQ_MASK_V:
.word 0xff000000
P1C0A_V:
.word 0x1C0A
P1C0E_V:
.word 0x1C0E
P1C06_V:
.word 0x1C06
SREFRESH_DELAY_V:
.word 0x9999
SRAM_STACK_V:
.word 0xD2800600
DDR_07_V:
.word 0xfc60001c
DDR_ACTIVE_V:
.word 0x01000000
DDR_57_V:
.word 0xfc6000e4
CYCLES_MASK_V:
.word 0xffff0000
REFRESH_CYCLES_V:
.word 0xf0f0
SREFRESH_MASK_V:
.word 0x00010000
.global setfreq_sz
setfreq_sz:
.word setfreq_sz - setfreq
/*
* (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 <command.h>
#include <i2c.h>
#include <net.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/spr_xloader_table.h>
#include <asm/arch/spr_defs.h>
#define CPU 0
#define DDR 1
#define SRAM_REL 0xD2801000
DECLARE_GLOBAL_DATA_PTR;
static struct chip_data chip_data;
int dram_init(void)
{
struct xloader_table *xloader_tb =
(struct xloader_table *)XLOADER_TABLE_ADDRESS;
struct xloader_table_1_1 *table_1_1;
struct xloader_table_1_2 *table_1_2;
struct chip_data *chip = &chip_data;
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = get_ram_size(PHYS_SDRAM_1,
PHYS_SDRAM_1_MAXSIZE);
if (XLOADER_TABLE_VERSION_1_1 == xloader_tb->table_version) {
table_1_1 = &xloader_tb->table.table_1_1;
chip->dramfreq = table_1_1->ddrfreq;
chip->dramtype = table_1_1->ddrtype;
} else if (XLOADER_TABLE_VERSION_1_2 == xloader_tb->table_version) {
table_1_2 = &xloader_tb->table.table_1_2;
chip->dramfreq = table_1_2->ddrfreq;
chip->dramtype = table_1_2->ddrtype;
} else {
chip->dramfreq = -1;
}
return 0;
}
int misc_init_r(void)
{
setenv("verify", "n");
#if defined(CONFIG_SPEAR_USBTTY)
setenv("stdin", "usbtty");
setenv("stdout", "usbtty");
setenv("stderr", "usbtty");
#endif
return 0;
}
int spear_board_init(ulong mach_type)
{
struct xloader_table *xloader_tb =
(struct xloader_table *)XLOADER_TABLE_ADDRESS;
struct xloader_table_1_2 *table_1_2;
struct chip_data *chip = &chip_data;
gd->bd->bi_arch_number = mach_type;
/* adress of boot parameters */
gd->bd->bi_boot_params = CONFIG_BOOT_PARAMS_ADDR;
/* CPU is initialized to work at 333MHz in Xloader */
chip->cpufreq = 333;
if (XLOADER_TABLE_VERSION_1_2 == xloader_tb->table_version) {
table_1_2 = &xloader_tb->table.table_1_2;
memcpy(chip->version, table_1_2->version,
sizeof(chip->version));
}
return 0;
}
int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
void (*sram_setfreq) (unsigned int, unsigned int);
struct chip_data *chip = &chip_data;
unsigned char mac[6];
unsigned int frequency;
if ((argc > 3) || (argc < 2)) {
cmd_usage(cmdtp);
return 1;
}
if ((!strcmp(argv[1], "cpufreq")) || (!strcmp(argv[1], "ddrfreq"))) {
frequency = simple_strtoul(argv[2], NULL, 0);
if (frequency > 333) {
printf("Frequency is limited to 333MHz\n");
return 1;
}
sram_setfreq = memcpy((void *)SRAM_REL, setfreq, setfreq_sz);
if (!strcmp(argv[1], "cpufreq")) {
sram_setfreq(CPU, frequency);
printf("CPU frequency changed to %u\n", frequency);
chip->cpufreq = frequency;
} else {
sram_setfreq(DDR, frequency);
printf("DDR frequency changed to %u\n", frequency);
chip->dramfreq = frequency;
}
return 0;
} else if (!strcmp(argv[1], "print")) {
if (chip->cpufreq == -1)
printf("CPU Freq = Not Known\n");
else
printf("CPU Freq = %d MHz\n", chip->cpufreq);
if (chip->dramfreq == -1)
printf("DDR Freq = Not Known\n");
else
printf("DDR Freq = %d MHz\n", chip->dramfreq);
if (chip->dramtype == DDRMOBILE)
printf("DDR Type = MOBILE\n");
else if (chip->dramtype == DDR2)
printf("DDR Type = DDR2\n");
else
printf("DDR Type = Not Known\n");
printf("Xloader Rev = %s\n", chip->version);
return 0;
}
cmd_usage(cmdtp);
return 1;
}
U_BOOT_CMD(chip_config, 3, 1, do_chip_config,
"configure chip",
"chip_config cpufreq/ddrfreq frequency\n"
"chip_config print");
#
# (C) Copyright 2000-2004
# 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 = $(obj)lib$(BOARD).a
COBJS := spear600.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
#########################################################################
#
# (C) Copyright 2009
# Vipin Kumar, ST Microelectronics <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
#
#########################################################################
TEXT_BASE = 0x00700000
ALL += $(obj)u-boot.img
# Environment variables in NAND
ifeq ($(ENV),NAND)
PLATFORM_RELFLAGS += -DCONFIG_ENV_IS_IN_NAND
else
PLATFORM_RELFLAGS += -DCONFIG_ENV_IS_IN_FLASH
endif
ifeq ($(CONSOLE),USB)
PLATFORM_RELFLAGS += -DCONFIG_SPEAR_USBTTY
endif
/*
* (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 <nand.h>
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/spr_defs.h>
#include <asm/arch/spr_misc.h>
#include <asm/arch/spr_nand.h>
int board_init(void)
{
return spear_board_init(MACH_TYPE_SPEAR600);
}
/*
* board_nand_init - Board specific NAND initialization
* @nand: mtd private chip structure
*
* Called by nand_init_chip to initialize the board specific functions
*/
int board_nand_init(struct nand_chip *nand)
{
struct misc_regs *const misc_regs_p =
(struct misc_regs *)CONFIG_SPEAR_MISCBASE;
if (!(readl(&misc_regs_p->auto_cfg_reg) & MISC_NANDDIS))
return spear_nand_init(nand);
return -1;
}
/*
* (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_DEFS_H__
#define __SPR_DEFS_H__
extern int spear_board_init(ulong);
extern void setfreq(unsigned int, unsigned int);
extern unsigned int setfreq_sz;
struct chip_data {
int cpufreq;
int dramfreq;
int dramtype;
uchar version[32];
};
#endif
/*
* (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_XLOADER_TABLE_H
#define _SPR_XLOADER_TABLE_H
#define XLOADER_TABLE_VERSION_1_1 2
#define XLOADER_TABLE_VERSION_1_2 3
#define XLOADER_TABLE_ADDRESS 0xD2801FF0
#define DDRMOBILE 1
#define DDR2 2
#define REV_BA 1
#define REV_AA 2
#define REV_AB 3
struct xloader_table_1_1 {
unsigned short ddrfreq;
unsigned char ddrsize;
unsigned char ddrtype;
unsigned char soc_rev;
} __attribute__ ((packed));
struct xloader_table_1_2 {
unsigned const char *version;
unsigned short ddrfreq;
unsigned char ddrsize;
unsigned char ddrtype;
unsigned char soc_rev;
} __attribute__ ((packed));
union table_contents {
struct xloader_table_1_1 table_1_1;
struct xloader_table_1_2 table_1_2;
};
struct xloader_table {
unsigned char table_version;
union table_contents table;
} __attribute__ ((packed));
#endif
/*
* (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 _SPEAR_COMMON_H
#define _SPEAR_COMMON_H
/*
* Common configurations used for both spear3xx as well as spear6xx
*/
/* USBD driver configuration */
#define CONFIG_SPEARUDC
#define CONFIG_USB_DEVICE
#define CONFIG_USB_TTY
#define CONFIG_USBD_PRODUCT_NAME "SPEAr SoC"
#define CONFIG_USBD_MANUFACTURER "ST Microelectronics"
#define CONFIG_EXTRA_ENV_USBTTY "usbtty=cdc_acm\0"
/* I2C driver configuration */
#define CONFIG_HARD_I2C
#define CONFIG_SPEAR_I2C
#define CONFIG_SYS_I2C_SPEED 400000
#define CONFIG_SYS_I2C_SLAVE 0x02
#define CONFIG_I2C_CHIPADDRESS 0x50
/* Timer, HZ specific defines */
#define CONFIG_SYS_HZ (1000)
#define CONFIG_SYS_HZ_CLOCK (8300000)
/* Flash configuration */
#if defined(CONFIG_FLASH_PNOR)
#define CONFIG_SPEAR_EMI 1
#else
#define CONFIG_SPEARSMI 1
#endif
#if defined(CONFIG_SPEARSMI)
#define CONFIG_SYS_MAX_FLASH_BANKS 2