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Add support for Korat PPC440EPx board 

These patches add support for the PPC440EPx-based "Korat" board to
U-Boot.  They are based primarily on support for the Sequoia board.

Signed-off-by: Larry Johnson <lrj@acm.org>
This commit is contained in:
Larry Johnson 2007-12-27 11:28:51 -05:00 committed by Stefan Roese
parent 87dc096829
commit c591dffe0c
8 changed files with 1082 additions and 0 deletions
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4
MAINTAINERS
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@ -204,6 +204,10 @@ Murray Jensen <Murray.Jensen@csiro.au>
cogent_mpc8260 MPC8260
hymod MPC8260
Larry Johnson <lrj@acm.org>
korat PPC440EPx
Brad Kemp <Brad.Kemp@seranoa.com>
ppmc8260 MPC8260

1
MAKEALL
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@ -191,6 +191,7 @@ LIST_4xx=" \
katmai \
kilauea \
kilauea_nand \
korat \
luan \
lwmon5 \
makalu \

3
Makefile
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@ -1231,6 +1231,9 @@ haleakala_nand_config: unconfig
@echo "TEXT_BASE = 0x01000000" > $(obj)board/amcc/kilauea/config.tmp
@echo "CONFIG_NAND_U_BOOT = y" >> $(obj)include/config.mk
korat_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc ppc4xx korat
luan_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc ppc4xx luan amcc

51
board/korat/Makefile Normal file
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@ -0,0 +1,51 @@
#
# (C) Copyright 2002-2007
# 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 = $(BOARD).o
SOBJS = init.o
SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))
SOBJS := $(addprefix $(obj),$(SOBJS))
$(LIB): $(OBJS) $(SOBJS)
$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
clean:
rm -f $(SOBJS) $(OBJS)
distclean: clean
rm -f $(LIB) core *.bak .depend
#########################################################################
# defines $(obj).depend target
include $(SRCTREE)/rules.mk
sinclude $(obj).depend
#########################################################################

37
board/korat/config.mk Normal file
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@ -0,0 +1,37 @@
#
# (C) Copyright 2002
# 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
#
#
# Korat (PPC440EPx) board
#
TEXT_BASE = 0xFFFA0000
PLATFORM_CPPFLAGS += -DCONFIG_440=1
ifeq ($(debug),1)
PLATFORM_CPPFLAGS += -DDEBUG
endif
ifeq ($(dbcr),1)
PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000
endif

80
board/korat/init.S Normal file
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@ -0,0 +1,80 @@
/*
*
* 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 <ppc_asm.tmpl>
#include <asm-ppc/mmu.h>
#include <config.h>
/**************************************************************************
* TLB TABLE
*
* This table is used by the cpu boot code to setup the initial tlb
* entries. Rather than make broad assumptions in the cpu source tree,
* this table lets each board set things up however they like.
*
* Pointer to the table is returned in r1
*
*************************************************************************/
.section .bootpg,"ax"
.globl tlbtab
tlbtab:
tlbtab_start
/*
* BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the
* speed up boot process. It is patched after relocation to enable SA_I
*/
tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 1, AC_R|AC_W|AC_X|SA_G )
/*
* TLB entries for SDRAM are not needed on this platform. They are
* generated dynamically in the SPD DDR2 detection routine.
*/
#ifdef CFG_INIT_RAM_DCACHE
/* TLB-entry for init-ram in dcache (SA_I must be turned off!) */
tlbentry( CFG_INIT_RAM_ADDR, SZ_64K, CFG_INIT_RAM_ADDR, 0, AC_R|AC_W|AC_X|SA_G )
#endif
/* TLB-entry for PCI Memory */
tlbentry( CFG_PCI_MEMBASE, SZ_256M, CFG_PCI_MEMBASE, 1, AC_R|AC_W|SA_G|SA_I )
tlbentry( CFG_PCI_MEMBASE1, SZ_256M, CFG_PCI_MEMBASE1, 1, AC_R|AC_W|SA_G|SA_I )
tlbentry( CFG_PCI_MEMBASE2, SZ_256M, CFG_PCI_MEMBASE2, 1, AC_R|AC_W|SA_G|SA_I )
tlbentry( CFG_PCI_MEMBASE3, SZ_256M, CFG_PCI_MEMBASE3, 1, AC_R|AC_W|SA_G|SA_I )
/* TLB-entry for EBC */
tlbentry( CFG_CPLD_BASE, SZ_1K, CFG_CPLD_BASE, 1, AC_R|AC_W|SA_G|SA_I )
/* TLB-entry for Internal Registers & OCM */
/* I wonder why this must be executable -- lrj@acm.org 2007-10-08 */
tlbentry( 0xE0000000, SZ_16M, 0xE0000000, 0, AC_R|AC_W|AC_X|SA_I )
/*TLB-entry PCI registers*/
tlbentry( 0xEEC00000, SZ_1K, 0xEEC00000, 1, AC_R|AC_W|SA_G|SA_I )
/* TLB-entry for peripherals */
tlbentry( 0xEF000000, SZ_16M, 0xEF000000, 1, AC_R|AC_W|SA_G|SA_I)
/* TLB-entry PCI IO Space - from sr@denx.de */
tlbentry(0xE8000000, SZ_64K, 0xE8000000, 1, AC_R|AC_W|SA_G|SA_I)
tlbtab_end

761
board/korat/korat.c Normal file
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@ -0,0 +1,761 @@
/*
* (C) Copyright 2007
* Larry Johnson, lrj@acm.org
*
* (C) Copyright 2006
* Stefan Roese, DENX Software Engineering, sr@denx.de.
*
* (C) Copyright 2006
* Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
* Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
*
* 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/processor.h>
#include <asm-ppc/io.h>
#include <i2c.h>
#include <ppc440.h>
DECLARE_GLOBAL_DATA_PTR;
extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
ulong flash_get_size(ulong base, int banknum);
int board_early_init_f(void)
{
u32 sdr0_pfc1, sdr0_pfc2;
u32 gpio0_ir;
u32 reg;
int eth;
mtdcr(ebccfga, xbcfg);
mtdcr(ebccfgd, 0xb8400000);
/*--------------------------------------------------------------------
* Setup the GPIO pins
*
* Korat GPIO usage:
*
* Init.
* Pin Source I/O value Function
* ------ ------ --- ----- ---------------------------------
* GPIO00 Alt1 I/O x PerAddr07
* GPIO01 Alt1 I/O x PerAddr06
* GPIO02 Alt1 I/O x PerAddr05
* GPIO03 GPIO x x GPIO03 to expansion bus connector
* GPIO04 GPIO x x GPIO04 to expansion bus connector
* GPIO05 GPIO x x GPIO05 to expansion bus connector
* GPIO06 Alt1 O x PerCS1 (2nd NOR flash)
* GPIO07 Alt1 O x PerCS2 (CPLD)
* GPIO08 Alt1 O x PerCS3 to expansion bus connector
* GPIO09 Alt1 O x PerCS4 to expansion bus connector
* GPIO10 Alt1 O x PerCS5 to expansion bus connector
* GPIO11 Alt1 I x PerErr
* GPIO12 GPIO O 0 ATMega !Reset
* GPIO13 GPIO O 1 SPI Atmega !SS
* GPIO14 GPIO O 1 Write protect EEPROM #1 (0xA8)
* GPIO15 GPIO O 0 CPU Run LED !On
* GPIO16 Alt1 O x GMC1TxD0
* GPIO17 Alt1 O x GMC1TxD1
* GPIO18 Alt1 O x GMC1TxD2
* GPIO19 Alt1 O x GMC1TxD3
* GPIO20 Alt1 O x RejectPkt0
* GPIO21 Alt1 O x RejectPkt1
* GPIO22 GPIO I x PGOOD_DDR
* GPIO23 Alt1 O x SCPD0
* GPIO24 Alt1 O x GMC0TxD2
* GPIO25 Alt1 O x GMC0TxD3
* GPIO26 GPIO? I/O x IIC0SDA (selected in SDR0_PFC4)
* GPIO27 GPIO O 0 PHY #0 1000BASE-X
* GPIO28 GPIO O 0 PHY #1 1000BASE-X
* GPIO29 GPIO I x Test jumper !Present
* GPIO30 GPIO I x SFP module #0 !Present
* GPIO31 GPIO I x SFP module #1 !Present
*
* GPIO32 GPIO O 1 SFP module #0 Tx !Enable
* GPIO33 GPIO O 1 SFP module #1 Tx !Enable
* GPIO34 Alt2 I x !UART1_CTS
* GPIO35 Alt2 O x !UART1_RTS
* GPIO36 Alt1 I x !UART0_CTS
* GPIO37 Alt1 O x !UART0_RTS
* GPIO38 Alt2 O x UART1_Tx
* GPIO39 Alt2 I x UART1_Rx
* GPIO40 Alt1 I x IRQ0 (Ethernet 0)
* GPIO41 Alt1 I x IRQ1 (Ethernet 1)
* GPIO42 Alt1 I x IRQ2 (PCI interrupt)
* GPIO43 Alt1 I x IRQ3 (System Alert from CPLD)
* GPIO44 xxxx x x (grounded through pulldown)
* GPIO45 GPIO O 0 PHY #0 Enable
* GPIO46 GPIO O 0 PHY #1 Enable
* GPIO47 GPIO I x Reset switch !Pressed
* GPIO48 GPIO I x Shutdown switch !Pressed
* GPIO49 xxxx x x (reserved for trace port)
* . . . . .
* . . . . .
* . . . . .
* GPIO63 xxxx x x (reserved for trace port)
*-------------------------------------------------------------------*/
out_be32((u32 *) GPIO0_OR, 0x00060000);
out_be32((u32 *) GPIO1_OR, 0xC0000000);
out_be32((u32 *) GPIO0_OSRL, 0x54055400);
out_be32((u32 *) GPIO0_OSRH, 0x55015000);
out_be32((u32 *) GPIO1_OSRL, 0x02180000);
out_be32((u32 *) GPIO1_OSRH, 0x00000000);
out_be32((u32 *) GPIO0_TSRL, 0x54055500);
out_be32((u32 *) GPIO0_TSRH, 0x00015000);
out_be32((u32 *) GPIO1_TSRL, 0x00000000);
out_be32((u32 *) GPIO1_TSRH, 0x00000000);
out_be32((u32 *) GPIO0_TCR, 0x000FF0D8);
out_be32((u32 *) GPIO1_TCR, 0xD6060000);
out_be32((u32 *) GPIO0_ISR1L, 0x54000100);
out_be32((u32 *) GPIO0_ISR1H, 0x00500000);
out_be32((u32 *) GPIO1_ISR1L, 0x00405500);
out_be32((u32 *) GPIO1_ISR1H, 0x00000000);
out_be32((u32 *) GPIO0_ISR2L, 0x00000000);
out_be32((u32 *) GPIO0_ISR2H, 0x00000000);
out_be32((u32 *) GPIO1_ISR2L, 0x04010000);
out_be32((u32 *) GPIO1_ISR2H, 0x00000000);
out_be32((u32 *) GPIO0_ISR3L, 0x00000000);
out_be32((u32 *) GPIO0_ISR3H, 0x00000000);
out_be32((u32 *) GPIO1_ISR3L, 0x00000000);
out_be32((u32 *) GPIO1_ISR3H, 0x00000000);
/*--------------------------------------------------------------------
* Setup the interrupt controller polarities, triggers, etc.
*-------------------------------------------------------------------*/
mtdcr(uic0sr, 0xffffffff); /* clear all */
mtdcr(uic0er, 0x00000000); /* disable all */
mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */
mtdcr(uic0pr, 0xfffff7ff); /* per ref-board manual */
mtdcr(uic0tr, 0x00000000); /* per ref-board manual */
mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 */
mtdcr(uic0sr, 0xffffffff); /* clear all */
mtdcr(uic1sr, 0xffffffff); /* clear all */
mtdcr(uic1er, 0x00000000); /* disable all */
mtdcr(uic1cr, 0x00000000); /* all non-critical */
mtdcr(uic1pr, 0xffffffff); /* per ref-board manual */
mtdcr(uic1tr, 0x00000000); /* per ref-board manual */
mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 */
mtdcr(uic1sr, 0xffffffff); /* clear all */
mtdcr(uic2sr, 0xffffffff); /* clear all */
mtdcr(uic2er, 0x00000000); /* disable all */
mtdcr(uic2cr, 0x00000000); /* all non-critical */
mtdcr(uic2pr, 0xffffffff); /* per ref-board manual */
mtdcr(uic2tr, 0x00000000); /* per ref-board manual */
mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 */
mtdcr(uic2sr, 0xffffffff); /* clear all */
/* take sim card reader and CF controller out of reset */
out_8((u8 *) CFG_CPLD_BASE + 0x04, 0x80);
/* Configure the two Ethernet PHYs. For each PHY, configure for fiber
* if the SFP module is present, and for copper if it is not present.
*/
gpio0_ir = in_be32((u32 *) GPIO0_IR);
for (eth = 0; eth < 2; ++eth) {
if (gpio0_ir & (0x00000001 << (1 - eth))) {
/* SFP module not present: configure PHY for copper. */
/* Set PHY to autonegotate 10 MB, 100MB, or 1 GB */
out_8((u8 *) CFG_CPLD_BASE + 0x06,
in_8((u8 *) CFG_CPLD_BASE + 0x06) |
0x06 << (4 * eth));
} else {
/* SFP module present: configure PHY for fiber and
enable output */
out_be32((u32 *) GPIO0_OR, in_be32((u32 *) GPIO0_OR) |
(0x00000001 << (4 - eth)));
out_be32((u32 *) GPIO1_OR, in_be32((u32 *) GPIO1_OR) &
~(0x00000001 << (31 - eth)));
}
}
/* enable Ethernet: set GPIO45 and GPIO46 to 1 */
out_be32((u32 *) GPIO1_OR, in_be32((u32 *) GPIO1_OR) | 0x00060000);
/* select Ethernet pins */
mfsdr(SDR0_PFC1, sdr0_pfc1);
sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) |
SDR0_PFC1_SELECT_CONFIG_4;
mfsdr(SDR0_PFC2, sdr0_pfc2);
sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) |
SDR0_PFC2_SELECT_CONFIG_4;
mtsdr(SDR0_PFC2, sdr0_pfc2);
mtsdr(SDR0_PFC1, sdr0_pfc1);
/* PCI arbiter enabled */
mfsdr(sdr_pci0, reg);
mtsdr(sdr_pci0, 0x80000000 | reg);
return 0;
}
static int man_data_read(unsigned int addr)
{
/*
* Read an octet of data from address "addr" in the manufacturer's
* information serial EEPROM, or -1 on error.
*/
u8 data[2];
if (0 != i2c_probe(MAN_DATA_EEPROM_ADDR) ||
0 != i2c_read(MAN_DATA_EEPROM_ADDR, addr, 1, data, 1)) {
debug("man_data_read(0x%02X) failed\n", addr);
return -1;
}
debug("man_info_read(0x%02X) returned 0x%02X\n", addr, data[0]);
return data[0];
}
static unsigned int man_data_field_addr(unsigned int const field)
{
/*
* The manufacturer's information serial EEPROM contains a sequence of
* zero-delimited fields. Return the starting address of field "field",
* or 0 on error.
*/
unsigned addr, i;
if (0 == field || 'A' != man_data_read(0) || '\0' != man_data_read(1))
/* Only format "A" is currently supported */
return 0;
for (addr = 2, i = 1; i < field && addr < 256; ++addr) {
if ('\0' == man_data_read(addr))
++i;
}
return (addr < 256) ? addr : 0;
}
static char *man_data_read_field(char s[], unsigned const field,
unsigned const length)
{
/*
* Place the null-terminated contents of field "field" of length
* "length" from the manufacturer's information serial EEPROM into
* string "s[length + 1]" and return a pointer to s, or return 0 on
* error. In either case the original contents of s[] is not preserved.
*/
unsigned addr, i;
addr = man_data_field_addr(field);
if (0 == addr || addr + length >= 255)
return 0;
for (i = 0; i < length; ++i) {
int const c = man_data_read(addr++);
if (c <= 0)
return 0;
s[i] = (char)c;
}
if (0 != man_data_read(addr))
return 0;
s[i] = '\0';
return s;
}
static void set_serial_number(void)
{
/*
* If the environmental variable "serial#" is not set, try to set it
* from the manufacturer's information serial EEPROM.
*/
char s[MAN_SERIAL_NO_LENGTH + 1];
if (0 == getenv("serial#") &&
0 != man_data_read_field(s, MAN_SERIAL_NO_FIELD,
MAN_SERIAL_NO_LENGTH))
setenv("serial#", s);
}
static void set_mac_addresses(void)
{
/*
* If the environmental variables "ethaddr" and/or "eth1addr" are not
* set, try to set them from the manufacturer's information serial
* EEPROM.
*/
char s[MAN_MAC_ADDR_LENGTH + 1];
if (0 != getenv("ethaddr") && 0 != getenv("eth1addr"))
return;
if (0 == man_data_read_field(s, MAN_MAC_ADDR_FIELD,
MAN_MAC_ADDR_LENGTH))
return;
if (0 == getenv("ethaddr"))
setenv("ethaddr", s);
if (0 == getenv("eth1addr")) {
++s[MAN_MAC_ADDR_LENGTH - 1];
setenv("eth1addr", s);
}
}
/*---------------------------------------------------------------------------+
| misc_init_r.
+---------------------------------------------------------------------------*/
int misc_init_r(void)
{
uint pbcr;
int size_val = 0;
u32 reg;
unsigned long usb2d0cr = 0;
unsigned long usb2phy0cr, usb2h0cr = 0;
unsigned long sdr0_pfc1;
char *act = getenv("usbact");
/*
* FLASH stuff...
*/
/* Re-do sizing to get full correct info */
/* adjust flash start and offset */
gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
gd->bd->bi_flashoffset = 0;
mtdcr(ebccfga, pb0cr);
pbcr = mfdcr(ebccfgd);
switch (gd->bd->bi_flashsize) {
case 1 << 20:
size_val = 0;
break;
case 2 << 20:
size_val = 1;
break;
case 4 << 20:
size_val = 2;
break;
case 8 << 20:
size_val = 3;
break;
case 16 << 20:
size_val = 4;
break;
case 32 << 20:
size_val = 5;
break;
case 64 << 20:
size_val = 6;
break;
case 128 << 20:
size_val = 7;
break;
}
pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17);
mtdcr(ebccfga, pb0cr);
mtdcr(ebccfgd, pbcr);
/*
* Re-check to get correct base address
*/
flash_get_size(gd->bd->bi_flashstart, 0);
/* Monitor protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET, -CFG_MONITOR_LEN, 0xffffffff,
&flash_info[0]);
/* Env protection ON by default */
(void)flash_protect(FLAG_PROTECT_SET,
CFG_ENV_ADDR_REDUND,
CFG_ENV_ADDR_REDUND + 2 * CFG_ENV_SECT_SIZE - 1,
&flash_info[0]);
/*
* USB suff...
*/
if (act == NULL || strcmp(act, "hostdev") == 0) {
/* SDR Setting */
mfsdr(SDR0_PFC1, sdr0_pfc1);
mfsdr(SDR0_USB2D0CR, usb2d0cr);
mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
mfsdr(SDR0_USB2H0CR, usb2h0cr);
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_WDINT_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1 */
/* An 8-bit/60MHz interface is the only possible alternative
when connecting the Device to the PHY */
usb2h0cr = usb2h0cr & ~SDR0_USB2H0CR_WDINT_MASK;
usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1 */
/* To enable the USB 2.0 Device function through the UTMI interface */
usb2d0cr = usb2d0cr & ~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION; /*1 */
sdr0_pfc1 = sdr0_pfc1 & ~SDR0_PFC1_UES_MASK;
sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL; /*0 */
mtsdr(SDR0_PFC1, sdr0_pfc1);
mtsdr(SDR0_USB2D0CR, usb2d0cr);
mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
mtsdr(SDR0_USB2H0CR, usb2h0cr);
/*clear resets */
udelay(1000);
mtsdr(SDR0_SRST1, 0x00000000);
udelay(1000);
mtsdr(SDR0_SRST0, 0x00000000);
printf("USB: Host(int phy) Device(ext phy)\n");
} else if (strcmp(act, "dev") == 0) {
/*-------------------PATCH-------------------------------*/
mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1 */
mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
udelay(1000);
mtsdr(SDR0_SRST1, 0x672c6000);
udelay(1000);
mtsdr(SDR0_SRST0, 0x00000080);
udelay(1000);
mtsdr(SDR0_SRST1, 0x60206000);
*(unsigned int *)(0xe0000350) = 0x00000001;
udelay(1000);
mtsdr(SDR0_SRST1, 0x60306000);
/*-------------------PATCH-------------------------------*/
/* SDR Setting */
mfsdr(SDR0_USB2PHY0CR, usb2phy0cr);
mfsdr(SDR0_USB2H0CR, usb2h0cr);
mfsdr(SDR0_USB2D0CR, usb2d0cr);
mfsdr(SDR0_PFC1, sdr0_pfc1);
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_XOCLK_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_WDINT_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ; /*0 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DVBUS_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; /*1 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_DWNSTR_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV; /*0 */
usb2phy0cr = usb2phy0cr & ~SDR0_USB2PHY0CR_UTMICN_MASK;
usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV; /*0 */
usb2h0cr = usb2h0cr & ~SDR0_USB2H0CR_WDINT_MASK;
usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ; /*0 */
usb2d0cr = usb2d0cr & ~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION; /*0 */
sdr0_pfc1 = sdr0_pfc1 & ~SDR0_PFC1_UES_MASK;
sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL; /*1 */
mtsdr(SDR0_USB2H0CR, usb2h0cr);
mtsdr(SDR0_USB2PHY0CR, usb2phy0cr);
mtsdr(SDR0_USB2D0CR, usb2d0cr);
mtsdr(SDR0_PFC1, sdr0_pfc1);
/*clear resets */
udelay(1000);
mtsdr(SDR0_SRST1, 0x00000000);
udelay(1000);
mtsdr(SDR0_SRST0, 0x00000000);
printf("USB: Device(int phy)\n");
}
mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */
reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0);
mtsdr(SDR0_SRST1, reg);
/*
* Clear PLB4A0_ACR[WRP]
* This fix will make the MAL burst disabling patch for the Linux
* EMAC driver obsolete.
*/
reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP;
mtdcr(plb4_acr, reg);
set_serial_number();
set_mac_addresses();
return 0;
}
int checkboard(void)
{
char const *const s = getenv("serial#");
u8 const rev = in_8((u8 *) CFG_CPLD_BASE + 0);
u32 const gpio0_or = in_be32((u32 *) GPIO0_OR);
printf("Board: Korat, Rev. %X", rev);
if (s != NULL)
printf(", serial# %s", s);
printf(", Ethernet PHY 0: ");
if (gpio0_or & 0x00000010)
printf("fiber");
else
printf("copper");
printf(", PHY 1: ");
if (gpio0_or & 0x00000008)
printf("fiber");
else
printf("copper");
printf(".\n");
return (0);
}
#if defined(CFG_DRAM_TEST)
int testdram(void)
{
unsigned long *mem = (unsigned long *)0;
const unsigned long kend = (1024 / sizeof(unsigned long));
unsigned long k, n;
mtmsr(0);
/* TODO: find correct size of SDRAM */
for (k = 0; k < CFG_MBYTES_SDRAM;
++k, mem += (1024 / sizeof(unsigned long))) {
if ((k & 1023) == 0)
printf("%3d MB\r", k / 1024);
memset(mem, 0xaaaaaaaa, 1024);
for (n = 0; n < kend; ++n) {
if (mem[n] != 0xaaaaaaaa) {
printf("SDRAM test fails at: %08x\n",
(uint) & mem[n]);
return 1;
}
}
memset(mem, 0x55555555, 1024);
for (n = 0; n < kend; ++n) {
if (mem[n] != 0x55555555) {
printf("SDRAM test fails at: %08x\n",
(uint) & mem[n]);
return 1;
}
}
}
printf("SDRAM test passes\n");
return 0;
}
#endif /* defined(CFG_DRAM_TEST) */
/*************************************************************************
* pci_pre_init
*
* This routine is called just prior to registering the hose and gives
* the board the opportunity to check things. Returning a value of zero
* indicates that things are bad & PCI initialization should be aborted.
*
* Different boards may wish to customize the pci controller structure
* (add regions, override default access routines, etc) or perform
* certain pre-initialization actions.
*
************************************************************************/
#if defined(CONFIG_PCI)
int pci_pre_init(struct pci_controller *hose)
{
unsigned long addr;
/*-------------------------------------------------------------------------+
| Set priority for all PLB3 devices to 0.
| Set PLB3 arbiter to fair mode.
+-------------------------------------------------------------------------*/
mfsdr(sdr_amp1, addr);
mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00);
addr = mfdcr(plb3_acr);
mtdcr(plb3_acr, addr | 0x80000000);
/*-------------------------------------------------------------------------+
| Set priority for all PLB4 devices to 0.
+-------------------------------------------------------------------------*/
mfsdr(sdr_amp0, addr);
mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00);
addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */
mtdcr(plb4_acr, addr);
/*-------------------------------------------------------------------------+
| Set Nebula PLB4 arbiter to fair mode.
+-------------------------------------------------------------------------*/
/* Segment0 */
addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair;
addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled;
addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep;
addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep;
mtdcr(plb0_acr, addr);
/* Segment1 */
addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair;
addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled;
addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep;
addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep;
mtdcr(plb1_acr, addr);
return 1;
}
#endif /* defined(CONFIG_PCI) */
/*************************************************************************
* pci_target_init
*
* The bootstrap configuration provides default settings for the pci
* inbound map (PIM). But the bootstrap config choices are limited and
* may not be sufficient for a given board.
*
************************************************************************/
#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT)
void pci_target_init(struct pci_controller *hose)
{
/*--------------------------------------------------------------------------+
* Set up Direct MMIO registers
*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------+
| PowerPC440EPX PCI Master configuration.
| Map one 1Gig range of PLB/processor addresses to PCI memory space.
| PLB address 0xA0000000-0xDFFFFFFF ==> PCI address 0xA0000000-0xDFFFFFFF
| Use byte reversed out routines to handle endianess.
| Make this region non-prefetchable.
+--------------------------------------------------------------------------*/
out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */
out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */
out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */
out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, and enable region */
out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute - disabled b4 setting */
out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */
out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */
out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */
out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, and enable region */
out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */
out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */
out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */
out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */
/*--------------------------------------------------------------------------+
* Set up Configuration registers
*--------------------------------------------------------------------------*/
/* Program the board's subsystem id/vendor id */
pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
CFG_PCI_SUBSYS_VENDORID);
pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID);
/* Configure command register as bus master */
pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
/* 240nS PCI clock */
pci_write_config_word(0, PCI_LATENCY_TIMER, 1);
/* No error reporting */
pci_write_config_word(0, PCI_ERREN, 0);
pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101);
/*--------------------------------------------------------------------------+
* Set up Configuration registers for on-board NEC uPD720101 USB controller
*--------------------------------------------------------------------------*/
pci_write_config_dword(PCI_BDF(0x0, 0xC, 0x0), 0xE4, 0x00000020);
}
#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */
/*************************************************************************
* pci_master_init
*
************************************************************************/
#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT)
void pci_master_init(struct pci_controller *hose)
{
unsigned short temp_short;
/*--------------------------------------------------------------------------+
| Write the PowerPC440 EP PCI Configuration regs.
| Enable PowerPC440 EP to be a master on the PCI bus (PMM).
| Enable PowerPC440 EP to act as a PCI memory target (PTM).
+--------------------------------------------------------------------------*/
pci_read_config_word(0, PCI_COMMAND, &temp_short);
pci_write_config_word(0, PCI_COMMAND,
temp_short | PCI_COMMAND_MASTER |
PCI_COMMAND_MEMORY);
}
#endif
/*************************************************************************
* is_pci_host
*
* This routine is called to determine if a pci scan should be
* performed. With various hardware environments (especially cPCI and
* PPMC) it's insufficient to depend on the state of the arbiter enable
* bit in the strap register, or generic host/adapter assumptions.
*
* Rather than hard-code a bad assumption in the general 440 code, the
* 440 pci code requires the board to decide at runtime.
*
* Return 0 for adapter mode, non-zero for host (monarch) mode.
*
*
************************************************************************/
#if defined(CONFIG_PCI)
int is_pci_host(struct pci_controller *hose)
{
/* Korat is always configured as host. */
return (1);
}
#endif
#if defined(CONFIG_POST)
/*
* Returns 1 if keys pressed to start the power-on long-running tests
* Called from board_init_f().
*/
int post_hotkeys_pressed(void)
{
return 0; /* No hotkeys supported */
}
#endif

145
board/korat/u-boot.lds Normal file
View File

@ -0,0 +1,145 @@
/*
* (C) Copyright 2002
* 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
*/
OUTPUT_ARCH(powerpc)
SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
/* Do we need any of these for elf?
__DYNAMIC = 0; */
SECTIONS
{
.resetvec 0xFFFFFFFC :
{
*(.resetvec)
} = 0xffff
.bootpg 0xFFFFF000 :
{
cpu/ppc4xx/start.o (.bootpg)
} = 0xffff
/* Read-only sections, merged into text segment: */
. = + SIZEOF_HEADERS;
.interp : { *(.interp) }
.hash : { *(.hash) }
.dynsym : { *(.dynsym) }
.dynstr : { *(.dynstr) }
.rel.text : { *(.rel.text) }
.rela.text : { *(.rela.text) }
.rel.data : { *(.rel.data) }
.rela.data : { *(.rela.data) }
.rel.rodata : { *(.rel.rodata) }
.rela.rodata : { *(.rela.rodata) }
.rel.got : { *(.rel.got) }
.rela.got : { *(.rela.got) }
.rel.ctors : { *(.rel.ctors) }
.rela.ctors : { *(.rela.ctors) }
.rel.dtors : { *(.rel.dtors) }
.rela.dtors : { *(.rela.dtors) }
.rel.bss : { *(.rel.bss) }
.rela.bss : { *(.rela.bss) }
.rel.plt : { *(.rel.plt) }
.rela.plt : { *(.rela.plt) }
.init : { *(.init) }
.plt : { *(.plt) }
.text :
{
/* WARNING - the following is hand-optimized to fit within */
/* the sector layout of our flash chips! XXX FIXME XXX */
cpu/ppc4xx/start.o (.text)
*(.text)
*(.fixup)
*(.got1)
}
_etext = .;
PROVIDE (etext = .);
.rodata :
{
*(.rodata)
*(.rodata1)
*(.rodata.str1.4)
}
.fini : { *(.fini) } =0
.ctors : { *(.ctors) }
.dtors : { *(.dtors) }
/* Read-write section, merged into data segment: */
. = (. + 0x00FF) & 0xFFFFFF00;
_erotext = .;
PROVIDE (erotext = .);
.reloc :
{
*(.got)
_GOT2_TABLE_ = .;
*(.got2)
_FIXUP_TABLE_ = .;
*(.fixup)
}
__got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
__fixup_entries = (. - _FIXUP_TABLE_)>>2;
.data :
{
*(.data)
*(.data1)
*(.sdata)
*(.sdata2)
*(.dynamic)
CONSTRUCTORS
}
_edata = .;
PROVIDE (edata = .);
. = .;
__u_boot_cmd_start = .;
.u_boot_cmd : { *(.u_boot_cmd) }
__u_boot_cmd_end = .;
. = .;
__start___ex_table = .;
__ex_table : { *(__ex_table) }
__stop___ex_table = .;
. = ALIGN(256);
__init_begin = .;
.text.init : { *(.text.init) }
.data.init : { *(.data.init) }
. = ALIGN(256);
__init_end = .;
__bss_start = .;
.bss :
{
*(.sbss) *(.scommon)
*(.dynbss)
*(.bss)
*(COMMON)
}
ppcenv_assert = ASSERT(. < 0xFFFF8000, ".bss section too big, overlaps .ppcenv section. Please update your confguration: CFG_MONITOR_BASE, CFG_MONITOR_LEN and TEXT_BASE may need to be modified.");
_end = . ;
PROVIDE (end = .);
}