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ARM DaVinci: Move common functions to board/davinci/common 

ARM DaVinci: Move common functions to board/davinci/common.

Signed-off-by: Hugo Villeneuve <hugo.villeneuve@lyrtech.com>
This commit is contained in:
Hugo Villeneuve 2008-07-11 15:10:13 -04:00 committed by Jean-Christophe PLAGNIOL-VILLARD
parent 33aa4eac66
commit 264bbdd11d
9 changed files with 402 additions and 462 deletions
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53
board/davinci/common/Makefile Normal file
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@ -0,0 +1,53 @@
#
# (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 := psc.o misc.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
#########################################################################

126
board/davinci/common/misc.c Normal file
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@ -0,0 +1,126 @@
/*
* Miscelaneous DaVinci functions.
*
* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
* Copyright (C) 2008 Lyrtech <www.lyrtech.com>
* Copyright (C) 2004 Texas Instruments.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <common.h>
#include <i2c.h>
#include <asm/arch/hardware.h>
DECLARE_GLOBAL_DATA_PTR;
int dram_init(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
return(0);
}
static int dv_get_pllm_output(uint32_t pllm)
{
return (pllm + 1) * (CFG_HZ_CLOCK / 1000000);
}
void dv_display_clk_infos(void)
{
printf("ARM Clock: %dMHz\n", dv_get_pllm_output(REG(PLL1_PLLM)) / 2);
printf("DDR Clock: %dMHz\n", dv_get_pllm_output(REG(PLL2_PLLM)) /
((REG(PLL2_DIV2) & 0x1f) + 1) / 2);
}
/* Read ethernet MAC address from EEPROM for DVEVM compatible boards.
* Returns 1 if found, 0 otherwise.
*/
int dvevm_read_mac_address(uint8_t *buf)
{
#ifdef CFG_I2C_EEPROM_ADDR
/* Read MAC address. */
if (i2c_read(CFG_I2C_EEPROM_ADDR, 0x7F00, CFG_I2C_EEPROM_ADDR_LEN,
(uint8_t *) &buf[0], 6))
goto i2cerr;
/* Check that MAC address is not null. */
if (memcmp(buf, "\0\0\0\0\0\0", 6) == 0)
goto err;
return 1; /* Found */
i2cerr:
printf("Read from EEPROM @ 0x%02x failed\n", CFG_I2C_EEPROM_ADDR);
err:
#endif /* CFG_I2C_EEPROM_ADDR */
return 0;
}
/* If there is a MAC address in the environment, and if it is not identical to
* the MAC address in the ROM, then a warning is printed and the MAC address
* from the environment is used.
*
* If there is no MAC address in the environment, then it will be initialized
* (silently) from the value in the ROM.
*/
void dv_configure_mac_address(uint8_t *rom_enetaddr)
{
int i;
u_int8_t env_enetaddr[6];
char *tmp = getenv("ethaddr");
char *end;
/* Read Ethernet MAC address from the U-Boot environment.
* If it is not defined, env_enetaddr[] will be cleared. */
for (i = 0; i < 6; i++) {
env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
if (tmp)
tmp = (*end) ? end+1 : end;
}
/* Check if ROM and U-Boot environment MAC addresses match. */
if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6) != 0 &&
memcmp(env_enetaddr, rom_enetaddr, 6) != 0) {
printf("Warning: MAC addresses don't match:\n");
printf(" ROM MAC address: %02X:%02X:%02X:%02X:%02X:%02X\n",
rom_enetaddr[0], rom_enetaddr[1],
rom_enetaddr[2], rom_enetaddr[3],
rom_enetaddr[4], rom_enetaddr[5]);
printf(" \"ethaddr\" value: %02X:%02X:%02X:%02X:%02X:%02X\n",
env_enetaddr[0], env_enetaddr[1],
env_enetaddr[2], env_enetaddr[3],
env_enetaddr[4], env_enetaddr[5]) ;
debug("### Using MAC address from environment\n");
}
if (!tmp) {
char ethaddr[20];
/* There is no MAC address in the environment, so we initialize
* it from the value in the ROM. */
sprintf(ethaddr, "%02X:%02X:%02X:%02X:%02X:%02X",
rom_enetaddr[0], rom_enetaddr[1],
rom_enetaddr[2], rom_enetaddr[3],
rom_enetaddr[4], rom_enetaddr[5]) ;
debug("### Setting environment from ROM MAC address = \"%s\"\n",
ethaddr);
setenv("ethaddr", ethaddr);
}
}

32
board/davinci/common/misc.h Normal file
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@ -0,0 +1,32 @@
/*
* Copyright (C) 2008 Lyrtech <www.lyrtech.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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __MISC_H
#define __MISC_H
extern void timer_init(void);
extern int eth_hw_init(void);
void dv_display_clk_infos(void);
int dvevm_read_mac_address(uint8_t *buf);
void dv_configure_mac_address(uint8_t *rom_enetaddr);
#endif /* __MISC_H */

117
board/davinci/common/psc.c Normal file
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@ -0,0 +1,117 @@
/*
* Power and Sleep Controller (PSC) functions.
*
* Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
* Copyright (C) 2008 Lyrtech <www.lyrtech.com>
* Copyright (C) 2004 Texas Instruments.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <common.h>
#include <asm/arch/hardware.h>
/*
* The DM6446 includes two separate power domains: "Always On" and "DSP". The
* "Always On" power domain is always on when the chip is on. The "Always On"
* domain is powered by the VDD pins of the DM6446. The majority of the
* DM6446's modules lie within the "Always On" power domain. A separate
* domain called the "DSP" domain houses the C64x+ and VICP. The "DSP" domain
* is not always on. The "DSP" power domain is powered by the CVDDDSP pins of
* the DM6446.
*/
/* Works on Always On power domain only (no PD argument) */
void lpsc_on(unsigned int id)
{
dv_reg_p mdstat, mdctl;
if (id >= DAVINCI_LPSC_GEM)
return; /* Don't work on DSP Power Domain */
mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4));
mdctl = REG_P(PSC_MDCTL_BASE + (id * 4));
while (REG(PSC_PTSTAT) & 0x01);
if ((*mdstat & 0x1f) == 0x03)
return; /* Already on and enabled */
*mdctl |= 0x03;
/* Special treatment for some modules as for sprue14 p.7.4.2 */
switch (id) {
case DAVINCI_LPSC_VPSSSLV:
case DAVINCI_LPSC_EMAC:
case DAVINCI_LPSC_EMAC_WRAPPER:
case DAVINCI_LPSC_MDIO:
case DAVINCI_LPSC_USB:
case DAVINCI_LPSC_ATA:
case DAVINCI_LPSC_VLYNQ:
case DAVINCI_LPSC_UHPI:
case DAVINCI_LPSC_DDR_EMIF:
case DAVINCI_LPSC_AEMIF:
case DAVINCI_LPSC_MMC_SD:
case DAVINCI_LPSC_MEMSTICK:
case DAVINCI_LPSC_McBSP:
case DAVINCI_LPSC_GPIO:
*mdctl |= 0x200;
break;
}
REG(PSC_PTCMD) = 0x01;
while (REG(PSC_PTSTAT) & 0x03);
while ((*mdstat & 0x1f) != 0x03); /* Probably an overkill... */
}
/* If DSPLINK is used, we don't want U-Boot to power on the DSP. */
#if !defined(CFG_USE_DSPLINK)
void dsp_on(void)
{
int i;
if (REG(PSC_PDSTAT1) & 0x1f)
return; /* Already on */
REG(PSC_GBLCTL) |= 0x01;
REG(PSC_PDCTL1) |= 0x01;
REG(PSC_PDCTL1) &= ~0x100;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff;
REG(PSC_PTCMD) = 0x02;
for (i = 0; i < 100; i++) {
if (REG(PSC_EPCPR) & 0x02)
break;
}
REG(PSC_CHP_SHRTSW) = 0x01;
REG(PSC_PDCTL1) |= 0x100;
REG(PSC_EPCCR) = 0x02;
for (i = 0; i < 100; i++) {
if (!(REG(PSC_PTSTAT) & 0x02))
break;
}
REG(PSC_GBLCTL) &= ~0x1f;
}
#endif /* CFG_USE_DSPLINK */

28
board/davinci/common/psc.h Normal file
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@ -0,0 +1,28 @@
/*
* Copyright (C) 2008 Lyrtech <www.lyrtech.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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __PSC_H
#define __PSC_H
void lpsc_on(unsigned int id);
void dsp_on(void);
#endif /* __PSC_H */

125
board/davinci/dv-evm/dv_board.c
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@ -28,89 +28,11 @@
#include <i2c.h>
#include <asm/arch/hardware.h>
#include <asm/arch/emac_defs.h>
#include "../common/psc.h"
#include "../common/misc.h"
DECLARE_GLOBAL_DATA_PTR;
extern void timer_init(void);
extern int eth_hw_init(void);
/* Works on Always On power domain only (no PD argument) */
void lpsc_on(unsigned int id)
{
dv_reg_p mdstat, mdctl;
if (id >= DAVINCI_LPSC_GEM)
return; /* Don't work on DSP Power Domain */
mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4));
mdctl = REG_P(PSC_MDCTL_BASE + (id * 4));
while (REG(PSC_PTSTAT) & 0x01) {;}
if ((*mdstat & 0x1f) == 0x03)
return; /* Already on and enabled */
*mdctl |= 0x03;
/* Special treatment for some modules as for sprue14 p.7.4.2 */
if ( (id == DAVINCI_LPSC_VPSSSLV) ||
(id == DAVINCI_LPSC_EMAC) ||
(id == DAVINCI_LPSC_EMAC_WRAPPER) ||
(id == DAVINCI_LPSC_MDIO) ||
(id == DAVINCI_LPSC_USB) ||
(id == DAVINCI_LPSC_ATA) ||
(id == DAVINCI_LPSC_VLYNQ) ||
(id == DAVINCI_LPSC_UHPI) ||
(id == DAVINCI_LPSC_DDR_EMIF) ||
(id == DAVINCI_LPSC_AEMIF) ||
(id == DAVINCI_LPSC_MMC_SD) ||
(id == DAVINCI_LPSC_MEMSTICK) ||
(id == DAVINCI_LPSC_McBSP) ||
(id == DAVINCI_LPSC_GPIO)
)
*mdctl |= 0x200;
REG(PSC_PTCMD) = 0x01;
while (REG(PSC_PTSTAT) & 0x03) {;}
while ((*mdstat & 0x1f) != 0x03) {;} /* Probably an overkill... */
}
void dsp_on(void)
{
int i;
if (REG(PSC_PDSTAT1) & 0x1f)
return; /* Already on */
REG(PSC_GBLCTL) |= 0x01;
REG(PSC_PDCTL1) |= 0x01;
REG(PSC_PDCTL1) &= ~0x100;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff;
REG(PSC_PTCMD) = 0x02;
for (i = 0; i < 100; i++) {
if (REG(PSC_EPCPR) & 0x02)
break;
}
REG(PSC_CHP_SHRTSW) = 0x01;
REG(PSC_PDCTL1) |= 0x100;
REG(PSC_EPCCR) = 0x02;
for (i = 0; i < 100; i++) {
if (!(REG(PSC_PTSTAT) & 0x02))
break;
}
REG(PSC_GBLCTL) &= ~0x1f;
}
int board_init(void)
{
/* arch number of the board */
@ -131,8 +53,10 @@ int board_init(void)
lpsc_on(DAVINCI_LPSC_TIMER1);
lpsc_on(DAVINCI_LPSC_GPIO);
#if !defined(CFG_USE_DSPLINK)
/* Powerup the DSP */
dsp_on();
#endif /* CFG_USE_DSPLINK */
/* Bringup UART0 out of reset */
REG(UART0_PWREMU_MGMT) = 0x0000e003;
@ -157,46 +81,23 @@ int board_init(void)
return(0);
}
int misc_init_r (void)
int misc_init_r(void)
{
u_int8_t tmp[20], buf[10];
int i = 0;
int clk = 0;
uint8_t video_mode;
uint8_t eeprom_enetaddr[6];
clk = ((REG(PLL2_PLLM) + 1) * 27) / ((REG(PLL2_DIV2) & 0x1f) + 1);
dv_display_clk_infos();
printf ("ARM Clock : %dMHz\n", ((REG(PLL1_PLLM) + 1) * 27 ) / 2);
printf ("DDR Clock : %dMHz\n", (clk / 2));
/* Set Ethernet MAC address from EEPROM */
if (i2c_read(CFG_I2C_EEPROM_ADDR, 0x7f00, CFG_I2C_EEPROM_ADDR_LEN, buf, 6)) {
printf("\nEEPROM @ 0x%02x read FAILED!!!\n", CFG_I2C_EEPROM_ADDR);
} else {
tmp[0] = 0xff;
for (i = 0; i < 6; i++)
tmp[0] &= buf[i];
if ((tmp[0] != 0xff) && (getenv("ethaddr") == NULL)) {
sprintf((char *)&tmp[0], "%02x:%02x:%02x:%02x:%02x:%02x",
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
setenv("ethaddr", (char *)&tmp[0]);
}
}
/* Read Ethernet MAC address from EEPROM if available. */
if (dvevm_read_mac_address(eeprom_enetaddr))
dv_configure_mac_address(eeprom_enetaddr);
if (!eth_hw_init())
printf("ethernet init failed!\n");
i2c_read (0x39, 0x00, 1, (u_int8_t *)&i, 1);
i2c_read(0x39, 0x00, 1, &video_mode, 1);
setenv ("videostd", ((i & 0x80) ? "pal" : "ntsc"));
return(0);
}
int dram_init(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
setenv("videostd", ((video_mode & 0x80) ? "pal" : "ntsc"));
return(0);
}

103
board/davinci/schmoogie/dv_board.c
View File

@ -28,89 +28,11 @@
#include <i2c.h>
#include <asm/arch/hardware.h>
#include <asm/arch/emac_defs.h>
#include "../common/psc.h"
#include "../common/misc.h"
DECLARE_GLOBAL_DATA_PTR;
extern void timer_init(void);
extern int eth_hw_init(void);
/* Works on Always On power domain only (no PD argument) */
void lpsc_on(unsigned int id)
{
dv_reg_p mdstat, mdctl;
if (id >= DAVINCI_LPSC_GEM)
return; /* Don't work on DSP Power Domain */
mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4));
mdctl = REG_P(PSC_MDCTL_BASE + (id * 4));
while (REG(PSC_PTSTAT) & 0x01) {;}
if ((*mdstat & 0x1f) == 0x03)
return; /* Already on and enabled */
*mdctl |= 0x03;
/* Special treatment for some modules as for sprue14 p.7.4.2 */
if ( (id == DAVINCI_LPSC_VPSSSLV) ||
(id == DAVINCI_LPSC_EMAC) ||
(id == DAVINCI_LPSC_EMAC_WRAPPER) ||
(id == DAVINCI_LPSC_MDIO) ||
(id == DAVINCI_LPSC_USB) ||
(id == DAVINCI_LPSC_ATA) ||
(id == DAVINCI_LPSC_VLYNQ) ||
(id == DAVINCI_LPSC_UHPI) ||
(id == DAVINCI_LPSC_DDR_EMIF) ||
(id == DAVINCI_LPSC_AEMIF) ||
(id == DAVINCI_LPSC_MMC_SD) ||
(id == DAVINCI_LPSC_MEMSTICK) ||
(id == DAVINCI_LPSC_McBSP) ||
(id == DAVINCI_LPSC_GPIO)
)
*mdctl |= 0x200;
REG(PSC_PTCMD) = 0x01;
while (REG(PSC_PTSTAT) & 0x03) {;}
while ((*mdstat & 0x1f) != 0x03) {;} /* Probably an overkill... */
}
void dsp_on(void)
{
int i;
if (REG(PSC_PDSTAT1) & 0x1f)
return; /* Already on */
REG(PSC_GBLCTL) |= 0x01;
REG(PSC_PDCTL1) |= 0x01;
REG(PSC_PDCTL1) &= ~0x100;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff;
REG(PSC_PTCMD) = 0x02;
for (i = 0; i < 100; i++) {
if (REG(PSC_EPCPR) & 0x02)
break;
}
REG(PSC_CHP_SHRTSW) = 0x01;
REG(PSC_PDCTL1) |= 0x100;
REG(PSC_EPCCR) = 0x02;
for (i = 0; i < 100; i++) {
if (!(REG(PSC_PTSTAT) & 0x02))
break;
}
REG(PSC_GBLCTL) &= ~0x1f;
}
int board_init(void)
{
/* arch number of the board */
@ -131,8 +53,10 @@ int board_init(void)
lpsc_on(DAVINCI_LPSC_TIMER1);
lpsc_on(DAVINCI_LPSC_GPIO);
#if !defined(CFG_USE_DSPLINK)
/* Powerup the DSP */
dsp_on();
#endif /* CFG_USE_DSPLINK */
/* Bringup UART0 out of reset */
REG(UART0_PWREMU_MGMT) = 0x0000e003;
@ -157,11 +81,10 @@ int board_init(void)
return(0);
}
int misc_init_r (void)
int misc_init_r(void)
{
u_int8_t tmp[20], buf[10];
int i = 0;
int clk = 0;
/* Set serial number from UID chip */
u_int8_t crc_tbl[256] = {
@ -199,17 +122,15 @@ int misc_init_r (void)
0xb6, 0xe8, 0x0a, 0x54, 0xd7, 0x89, 0x6b, 0x35
};
clk = ((REG(PLL2_PLLM) + 1) * 27) / ((REG(PLL2_DIV2) & 0x1f) + 1);
printf ("ARM Clock : %dMHz\n", ((REG(PLL1_PLLM) + 1) * 27 ) / 2);
printf ("DDR Clock : %dMHz\n", (clk / 2));
dv_display_clk_infos();
/* Set serial number from UID chip */
if (i2c_read(CFG_UID_ADDR, 0, 1, buf, 8)) {
printf("\nUID @ 0x%02x read FAILED!!!\n", CFG_UID_ADDR);
forceenv("serial#", "FAILED");
} else {
if (buf[0] != 0x70) { /* Device Family Code */
if (buf[0] != 0x70) {
/* Device Family Code */
printf("\nUID @ 0x%02x read FAILED!!!\n", CFG_UID_ADDR);
forceenv("serial#", "FAILED");
}
@ -234,11 +155,3 @@ int misc_init_r (void)
return(0);
}
int dram_init(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
return(0);
}

158
board/davinci/sffsdr/sffsdr.c
View File

@ -31,6 +31,8 @@
#include <i2c.h>
#include <asm/arch/hardware.h>
#include <asm/arch/emac_defs.h>
#include "../common/psc.h"
#include "../common/misc.h"
#define DAVINCI_A3CR (0x01E00014) /* EMIF-A CS3 config register. */
#define DAVINCI_A3CR_VAL (0x3FFFFFFD) /* EMIF-A CS3 value for FPGA. */
@ -41,89 +43,6 @@
DECLARE_GLOBAL_DATA_PTR;
extern void timer_init(void);
extern int eth_hw_init(void);
/* Works on Always On power domain only (no PD argument) */
void lpsc_on(unsigned int id)
{
dv_reg_p mdstat, mdctl;
if (id >= DAVINCI_LPSC_GEM)
return; /* Don't work on DSP Power Domain */
mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4));
mdctl = REG_P(PSC_MDCTL_BASE + (id * 4));
while (REG(PSC_PTSTAT) & 0x01);
if ((*mdstat & 0x1f) == 0x03)
return; /* Already on and enabled */
*mdctl |= 0x03;
/* Special treatment for some modules as for sprue14 p.7.4.2 */
switch (id) {
case DAVINCI_LPSC_VPSSSLV:
case DAVINCI_LPSC_EMAC:
case DAVINCI_LPSC_EMAC_WRAPPER:
case DAVINCI_LPSC_MDIO:
case DAVINCI_LPSC_USB:
case DAVINCI_LPSC_ATA:
case DAVINCI_LPSC_VLYNQ:
case DAVINCI_LPSC_UHPI:
case DAVINCI_LPSC_DDR_EMIF:
case DAVINCI_LPSC_AEMIF:
case DAVINCI_LPSC_MMC_SD:
case DAVINCI_LPSC_MEMSTICK:
case DAVINCI_LPSC_McBSP:
case DAVINCI_LPSC_GPIO:
*mdctl |= 0x200;
break;
}
REG(PSC_PTCMD) = 0x01;
while (REG(PSC_PTSTAT) & 0x03);
while ((*mdstat & 0x1f) != 0x03); /* Probably an overkill... */
}
#if !defined(CFG_USE_DSPLINK)
void dsp_on(void)
{
int i;
if (REG(PSC_PDSTAT1) & 0x1f)
return; /* Already on */
REG(PSC_GBLCTL) |= 0x01;
REG(PSC_PDCTL1) |= 0x01;
REG(PSC_PDCTL1) &= ~0x100;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff;
REG(PSC_PTCMD) = 0x02;
for (i = 0; i < 100; i++) {
if (REG(PSC_EPCPR) & 0x02)
break;
}
REG(PSC_CHP_SHRTSW) = 0x01;
REG(PSC_PDCTL1) |= 0x100;
REG(PSC_EPCCR) = 0x02;
for (i = 0; i < 100; i++) {
if (!(REG(PSC_PTSTAT) & 0x02))
break;
}
REG(PSC_GBLCTL) &= ~0x1f;
}
#endif /* CFG_USE_DSPLINK */
int board_init(void)
{
/* arch number of the board */
@ -172,8 +91,10 @@ int board_init(void)
return(0);
}
/* Read ethernet MAC address from Integrity data structure inside EEPROM. */
int read_mac_address(uint8_t *buf)
/* Read ethernet MAC address from Integrity data structure inside EEPROM.
* Returns 1 if found, 0 otherwise.
*/
static int sffsdr_read_mac_address(uint8_t *buf)
{
u_int32_t value, mac[2], address;
@ -182,7 +103,7 @@ int read_mac_address(uint8_t *buf)
CFG_I2C_EEPROM_ADDR_LEN, (uint8_t *) &value, 4))
goto err;
if (value != INTEGRITY_CHECKWORD_VALUE)
return 1;
return 0;
/* Read SYSCFG structure offset. */
if (i2c_read(CFG_I2C_EEPROM_ADDR, INTEGRITY_SYSCFG_OFFSET,
@ -216,30 +137,23 @@ int read_mac_address(uint8_t *buf)
buf[4] = mac[1] >> 24;
buf[5] = mac[1] >> 16;
return 0;
return 1; /* Found */
err:
printf("Read from EEPROM @ 0x%02x failed\n", CFG_I2C_EEPROM_ADDR);
return 1;
return 0;
}
/* Platform dependent initialisation. */
int misc_init_r(void)
{
int i;
u_int8_t i2cbuf;
u_int8_t env_enetaddr[6], eeprom_enetaddr[6];
char *tmp = getenv("ethaddr");
char *end;
int clk;
uint8_t i2cbuf;
uint8_t eeprom_enetaddr[6];
/* EMIF-A CS3 configuration for FPGA. */
REG(DAVINCI_A3CR) = DAVINCI_A3CR_VAL;
clk = ((REG(PLL2_PLLM) + 1) * 27) / ((REG(PLL2_DIV2) & 0x1f) + 1);
printf("ARM Clock: %dMHz\n", ((REG(PLL1_PLLM) + 1) * 27) / 2);
printf("DDR Clock: %dMHz\n", (clk / 2));
dv_display_clk_infos();
/* Configure I2C switch (PCA9543) to enable channel 0. */
i2cbuf = CFG_I2C_PCA9543_ENABLE_CH0;
@ -249,43 +163,9 @@ int misc_init_r(void)
return 1;
}
/* Read Ethernet MAC address from the U-Boot environment. */
for (i = 0; i < 6; i++) {
env_enetaddr[i] = tmp ? simple_strtoul(tmp, &end, 16) : 0;
if (tmp)
tmp = (*end) ? end+1 : end;
}
/* Read Ethernet MAC address from EEPROM. */
if (read_mac_address(eeprom_enetaddr) == 0) {
if (memcmp(env_enetaddr, "\0\0\0\0\0\0", 6) != 0 &&
memcmp(env_enetaddr, eeprom_enetaddr, 6) != 0) {
printf("\nWarning: MAC addresses don't match:\n");
printf("\tHW MAC address: "
"%02X:%02X:%02X:%02X:%02X:%02X\n",
eeprom_enetaddr[0], eeprom_enetaddr[1],
eeprom_enetaddr[2], eeprom_enetaddr[3],
eeprom_enetaddr[4], eeprom_enetaddr[5]);
printf("\t\"ethaddr\" value: "
"%02X:%02X:%02X:%02X:%02X:%02X\n",
env_enetaddr[0], env_enetaddr[1],
env_enetaddr[2], env_enetaddr[3],
env_enetaddr[4], env_enetaddr[5]) ;
debug("### Set MAC addr from environment\n");
memcpy(eeprom_enetaddr, env_enetaddr, 6);
}
if (!tmp) {
char ethaddr[20];
sprintf(ethaddr, "%02X:%02X:%02X:%02X:%02X:%02X",
eeprom_enetaddr[0], eeprom_enetaddr[1],
eeprom_enetaddr[2], eeprom_enetaddr[3],
eeprom_enetaddr[4], eeprom_enetaddr[5]) ;
debug("### Set environment from HW MAC addr = \"%s\"\n",
ethaddr);
setenv("ethaddr", ethaddr);
}
}
/* Read Ethernet MAC address from EEPROM if available. */
if (sffsdr_read_mac_address(eeprom_enetaddr))
dv_configure_mac_address(eeprom_enetaddr);
if (!eth_hw_init())
printf("Ethernet init failed\n");
@ -296,11 +176,3 @@ int misc_init_r(void)
return(0);
}
int dram_init(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
return(0);
}

122
board/davinci/sonata/dv_board.c
View File

@ -25,92 +25,13 @@
*/
#include <common.h>
#include <i2c.h>
#include <asm/arch/hardware.h>
#include <asm/arch/emac_defs.h>
#include "../common/psc.h"
#include "../common/misc.h"
DECLARE_GLOBAL_DATA_PTR;
extern void timer_init(void);
extern int eth_hw_init(void);
/* Works on Always On power domain only (no PD argument) */
void lpsc_on(unsigned int id)
{
dv_reg_p mdstat, mdctl;
if (id >= DAVINCI_LPSC_GEM)
return; /* Don't work on DSP Power Domain */
mdstat = REG_P(PSC_MDSTAT_BASE + (id * 4));
mdctl = REG_P(PSC_MDCTL_BASE + (id * 4));
while (REG(PSC_PTSTAT) & 0x01) {;}
if ((*mdstat & 0x1f) == 0x03)
return; /* Already on and enabled */
*mdctl |= 0x03;
/* Special treatment for some modules as for sprue14 p.7.4.2 */
if ( (id == DAVINCI_LPSC_VPSSSLV) ||
(id == DAVINCI_LPSC_EMAC) ||
(id == DAVINCI_LPSC_EMAC_WRAPPER) ||
(id == DAVINCI_LPSC_MDIO) ||
(id == DAVINCI_LPSC_USB) ||
(id == DAVINCI_LPSC_ATA) ||
(id == DAVINCI_LPSC_VLYNQ) ||
(id == DAVINCI_LPSC_UHPI) ||
(id == DAVINCI_LPSC_DDR_EMIF) ||
(id == DAVINCI_LPSC_AEMIF) ||
(id == DAVINCI_LPSC_MMC_SD) ||
(id == DAVINCI_LPSC_MEMSTICK) ||
(id == DAVINCI_LPSC_McBSP) ||
(id == DAVINCI_LPSC_GPIO)
)
*mdctl |= 0x200;
REG(PSC_PTCMD) = 0x01;
while (REG(PSC_PTSTAT) & 0x03) {;}
while ((*mdstat & 0x1f) != 0x03) {;} /* Probably an overkill... */
}
void dsp_on(void)
{
int i;
if (REG(PSC_PDSTAT1) & 0x1f)
return; /* Already on */
REG(PSC_GBLCTL) |= 0x01;
REG(PSC_PDCTL1) |= 0x01;
REG(PSC_PDCTL1) &= ~0x100;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) |= 0x03;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_GEM * 4)) &= 0xfffffeff;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) |= 0x03;
REG(PSC_MDCTL_BASE + (DAVINCI_LPSC_IMCOP * 4)) &= 0xfffffeff;
REG(PSC_PTCMD) = 0x02;
for (i = 0; i < 100; i++) {
if (REG(PSC_EPCPR) & 0x02)
break;
}
REG(PSC_CHP_SHRTSW) = 0x01;
REG(PSC_PDCTL1) |= 0x100;
REG(PSC_EPCCR) = 0x02;
for (i = 0; i < 100; i++) {
if (!(REG(PSC_PTSTAT) & 0x02))
break;
}
REG(PSC_GBLCTL) &= ~0x1f;
}
int board_init(void)
{
/* arch number of the board */
@ -131,8 +52,10 @@ int board_init(void)
lpsc_on(DAVINCI_LPSC_TIMER1);
lpsc_on(DAVINCI_LPSC_GPIO);
#if !defined(CFG_USE_DSPLINK)
/* Powerup the DSP */
dsp_on();
#endif /* CFG_USE_DSPLINK */
/* Bringup UART0 out of reset */
REG(UART0_PWREMU_MGMT) = 0x0000e003;
@ -157,43 +80,18 @@ int board_init(void)
return(0);
}
int misc_init_r (void)
int misc_init_r(void)
{
u_int8_t tmp[20], buf[10];
int i = 0;
int clk = 0;
uint8_t eeprom_enetaddr[6];
dv_display_clk_infos();
clk = ((REG(PLL2_PLLM) + 1) * 27) / ((REG(PLL2_DIV2) & 0x1f) + 1);
printf ("ARM Clock : %dMHz\n", ((REG(PLL1_PLLM) + 1) * 27 ) / 2);
printf ("DDR Clock : %dMHz\n", (clk / 2));
/* Set Ethernet MAC address from EEPROM */
if (i2c_read(CFG_I2C_EEPROM_ADDR, 0x7f00, CFG_I2C_EEPROM_ADDR_LEN, buf, 6)) {
printf("\nEEPROM @ 0x%02x read FAILED!!!\n", CFG_I2C_EEPROM_ADDR);
} else {
tmp[0] = 0xff;
for (i = 0; i < 6; i++)
tmp[0] &= buf[i];
if ((tmp[0] != 0xff) && (getenv("ethaddr") == NULL)) {
sprintf((char *)&tmp[0], "%02x:%02x:%02x:%02x:%02x:%02x",
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]);
setenv("ethaddr", (char *)&tmp[0]);
}
}
/* Read Ethernet MAC address from EEPROM if available. */
if (dvevm_read_mac_address(eeprom_enetaddr))
dv_configure_mac_address(eeprom_enetaddr);
if (!eth_hw_init())
printf("ethernet init failed!\n");
return(0);
}
int dram_init(void)
{
gd->bd->bi_dram[0].start = PHYS_SDRAM_1;
gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE;
return(0);
}