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SPEAr: Eliminate dependency on Xloader table

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Xloader table was used primarily to inform u-boot about the DDR size. However,
now the ddr size is calculated at runtime which eliminates any need for the
Xloader table. So removing this unnecessary code.

Signed-off-by: Amit Virdi <amit.virdi@st.com>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Amit Virdi 2012-05-07 13:06:40 +05:30 committed by Albert ARIBAUD
parent 5cca72f8b3
commit 70fdbefc6c
3 changed files with 0 additions and 115 deletions
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7
arch/arm/include/asm/arch-spear/spr_defs.h
View File

@ -28,13 +28,6 @@ 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];
};
/* HW mac id in i2c memory definitions */
#define MAGIC_OFF 0x0
#define MAGIC_LEN 0x2

67
arch/arm/include/asm/arch-spear/spr_xloader_table.h
View File

@ -1,67 +0,0 @@
/*
* (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

41
board/spear/common/spr_misc.c
View File

@ -28,7 +28,6 @@
#include <asm/io.h>
#include <asm/arch/hardware.h>
#include <asm/arch/spr_emi.h>
#include <asm/arch/spr_xloader_table.h>
#include <asm/arch/spr_defs.h>
#define CPU 0
@ -36,7 +35,6 @@
#define SRAM_REL 0xD2801000
DECLARE_GLOBAL_DATA_PTR;
static struct chip_data chip_data;
int dram_init(void)
{
@ -127,25 +125,11 @@ void spear_emi_init(void)
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));
}
#ifdef CONFIG_SPEAR_EMI
spear_emi_init();
#endif
@ -195,7 +179,6 @@ static int write_mac(uchar *mac)
int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
void (*sram_setfreq) (unsigned int, unsigned int);
struct chip_data *chip = &chip_data;
unsigned char mac[6];
unsigned int reg, frequency;
char *s, *e;
@ -218,13 +201,9 @@ int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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;
@ -240,24 +219,6 @@ int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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");
if (!i2c_read_mac(mac)) {
sprintf(i2c_mac, "%pM", mac);
printf("Ethaddr (from i2c mem) = %s\n", i2c_mac);
@ -265,8 +226,6 @@ int do_chip_config(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
printf("Ethaddr (from i2c mem) = Not set\n");
}
printf("Xloader Rev = %s\n", chip->version);
return 0;
}