* [U-Boot-Users] [PATCH 4/4] PPC4xx: Add support for Korat PPC440EPx board
@ 2007-11-02 6:15 Larry Johnson
[not found] ` <200711020742.54049.sr@denx.de>
0 siblings, 1 reply; 2+ messages in thread
From: Larry Johnson @ 2007-11-02 6:15 UTC (permalink / raw)
To: u-boot
These patches add support for the PPC440EPx-based "Korat" board to
U-Boot. They are based primarily on the Sequoia board support.
Signed-off-by: Larry Johnson <lrj@acm.org>
---
MAINTAINERS | 4 +
MAKEALL | 1 +
Makefile | 3 +
board/korat/Makefile | 51 ++++
board/korat/config.mk | 37 +++
board/korat/init.S | 123 ++++++++
board/korat/korat.c | 762 ++++++++++++++++++++++++++++++++++++++++++++++++
board/korat/u-boot.lds | 145 +++++++++
8 files changed, 1126 insertions(+), 0 deletions(-)
diff --git a/MAINTAINERS b/MAINTAINERS
index b8c1fdc..16caa75 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -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
diff --git a/MAKEALL b/MAKEALL
index 20e8137..a0567c5 100755
--- a/MAKEALL
+++ b/MAKEALL
@@ -187,6 +187,7 @@ LIST_4xx=" \
JSE \
KAREF \
katmai \
+ korat \
luan \
lwmon5 \
METROBOX \
diff --git a/Makefile b/Makefile
index 5643aa9..8862ed0 100644
--- a/Makefile
+++ b/Makefile
@@ -1168,6 +1168,9 @@ KAREF_config: unconfig
katmai_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc ppc4xx katmai amcc
+korat_config: unconfig
+ @$(MKCONFIG) $(@:_config=) ppc ppc4xx korat
+
luan_config: unconfig
@$(MKCONFIG) $(@:_config=) ppc ppc4xx luan amcc
diff --git a/board/korat/Makefile b/board/korat/Makefile
new file mode 100644
index 0000000..fa19e6f
--- /dev/null
+++ b/board/korat/Makefile
@@ -0,0 +1,51 @@
+#
+# (C) Copyright 2002-2007
+# Wolfgang Denk, DENX Software Engineering, wd at 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 $(obj).depend
+
+#########################################################################
diff --git a/board/korat/config.mk b/board/korat/config.mk
new file mode 100644
index 0000000..39966e0
--- /dev/null
+++ b/board/korat/config.mk
@@ -0,0 +1,37 @@
+#
+# (C) Copyright 2002
+# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+# MA 02111-1307 USA
+#
+#
+# Korat (PPC440EPx) board
+#
+
+TEXT_BASE = 0xFFFA0000
+
+PLATFORM_CPPFLAGS += -DCONFIG_440=1
+
+ifeq ($(debug),1)
+PLATFORM_CPPFLAGS += -DDEBUG
+endif
+
+ifeq ($(dbcr),1)
+PLATFORM_CPPFLAGS += -DCFG_INIT_DBCR=0x8cff0000
+endif
diff --git a/board/korat/init.S b/board/korat/init.S
new file mode 100644
index 0000000..f44db6c
--- /dev/null
+++ b/board/korat/init.S
@@ -0,0 +1,123 @@
+/*
+ *
+ * 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 <config.h>
+
+/* General */
+#define TLB_VALID 0x00000200
+#define _256M 0x10000000
+
+/* Supported page sizes */
+
+#define SZ_1K 0x00000000
+#define SZ_4K 0x00000010
+#define SZ_16K 0x00000020
+#define SZ_64K 0x00000030
+#define SZ_256K 0x00000040
+#define SZ_1M 0x00000050
+#define SZ_8M 0x00000060
+#define SZ_16M 0x00000070
+#define SZ_256M 0x00000090
+
+/* Storage attributes */
+#define SA_W 0x00000800 /* Write-through */
+#define SA_I 0x00000400 /* Caching inhibited */
+#define SA_M 0x00000200 /* Memory coherence */
+#define SA_G 0x00000100 /* Guarded */
+#define SA_E 0x00000080 /* Endian */
+
+/* Access control */
+#define AC_X 0x00000024 /* Execute */
+#define AC_W 0x00000012 /* Write */
+#define AC_R 0x00000009 /* Read */
+
+/* Some handy macros */
+
+#define EPN(e) ((e) & 0xfffffc00)
+#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) )
+#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) )
+#define TLB2(a) ( (a)&0x00000fbf )
+
+#define tlbtab_start\
+ mflr r1 ;\
+ bl 0f ;
+
+#define tlbtab_end\
+ .long 0, 0, 0 ; \
+0: mflr r0 ; \
+ mtlr r1 ; \
+ blr ;
+
+#define tlbentry(epn,sz,rpn,erpn,attr)\
+ .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
+
+
+/**************************************************************************
+ * 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 )
+
+#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 at 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 at denx.de */
+ tlbentry(0xE8000000, SZ_64K, 0xE8000000, 1, AC_R|AC_W|SA_G|SA_I)
+
+ tlbtab_end
diff --git a/board/korat/korat.c b/board/korat/korat.c
new file mode 100644
index 0000000..3ebdbcc
--- /dev/null
+++ b/board/korat/korat.c
@@ -0,0 +1,762 @@
+/*
+ * (C) Copyright 2007
+ * Larry Johnson, lrj at acm.org
+ *
+ * (C) Copyright 2006
+ * Stefan Roese, DENX Software Engineering, sr at denx.de.
+ *
+ * (C) Copyright 2006
+ * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol at fr.ibm.com
+ * Alain Saurel, AMCC/IBM, alain.saurel at 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 <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)
+ *-------------------------------------------------------------------*/
+
+ out32(GPIO0_OR, 0x00060000);
+ out32(GPIO1_OR, 0xC0000000);
+
+ out32(GPIO0_OSRL, 0x54055400);
+ out32(GPIO0_OSRH, 0x55015000);
+ out32(GPIO1_OSRL, 0x02180000);
+ out32(GPIO1_OSRH, 0x00000000);
+
+ out32(GPIO0_TSRL, 0x54055500);
+ out32(GPIO0_TSRH, 0x00015000);
+ out32(GPIO1_TSRL, 0x00000000);
+ out32(GPIO1_TSRH, 0x00000000);
+
+ out32(GPIO0_TCR, 0x000FF0D8);
+ out32(GPIO1_TCR, 0xD6060000);
+
+ out32(GPIO0_ISR1L, 0x54000100);
+ out32(GPIO0_ISR1H, 0x00500000);
+ out32(GPIO1_ISR1L, 0x00405500);
+ out32(GPIO1_ISR1H, 0x00000000);
+
+ out32(GPIO0_ISR2L, 0x00000000);
+ out32(GPIO0_ISR2H, 0x00000000);
+ out32(GPIO1_ISR2L, 0x04010000);
+ out32(GPIO1_ISR2H, 0x00000000);
+
+ out32(GPIO0_ISR3L, 0x00000000);
+ out32(GPIO0_ISR3H, 0x00000000);
+ out32(GPIO1_ISR3L, 0x00000000);
+ out32(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 */
+ *(unsigned char *)(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 = in32(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 */
+ *(unsigned char *)(CFG_CPLD_BASE + 0x06) |=
+ 0x06 << (4 * eth);
+ } else {
+ /* SFP module present: configure PHY for fiber and
+ enable output */
+ out32(GPIO0_OR,
+ in32(GPIO0_OR) | (0x00000001 << (4 - eth)));
+ out32(GPIO1_OR,
+ in32(GPIO1_OR) & ~(0x00000001 << (31 - eth)));
+ }
+ }
+ /* enable Ethernet: set GPIO45 and GPIO46 to 1 */
+ out32(GPIO1_OR, in32(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 = in8(CFG_CPLD_BASE + 0);
+ u32 const gpio0_or = in32(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
diff --git a/board/korat/u-boot.lds b/board/korat/u-boot.lds
new file mode 100644
index 0000000..a423f98
--- /dev/null
+++ b/board/korat/u-boot.lds
@@ -0,0 +1,145 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd at 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 = .);
+}
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [U-Boot-Users] [PATCH 4/4] PPC4xx: Add support for Korat PPC440EPx board
[not found] ` <200711020742.54049.sr@denx.de>
@ 2007-11-02 15:08 ` Larry Johnson
0 siblings, 0 replies; 2+ messages in thread
From: Larry Johnson @ 2007-11-02 15:08 UTC (permalink / raw)
To: u-boot
Stefan Roese wrote:
> On Friday 02 November 2007, Larry Johnson wrote:
[...]
>> diff --git a/board/korat/init.S b/board/korat/init.S
>> new file mode 100644
>> index 0000000..f44db6c
>> --- /dev/null
>> +++ b/board/korat/init.S
>> @@ -0,0 +1,123 @@
>> +/*
>> + *
>> + * 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 <config.h>
>
> Please add #include <asm-ppc/mmu.h> here and remove all the following defines.
>
>> +/* General */
>> +#define TLB_VALID 0x00000200
>> +#define _256M 0x10000000
>> +
>> +/* Supported page sizes */
>> +
>> +#define SZ_1K 0x00000000
>> +#define SZ_4K 0x00000010
>> +#define SZ_16K 0x00000020
>> +#define SZ_64K 0x00000030
>> +#define SZ_256K 0x00000040
>> +#define SZ_1M 0x00000050
>> +#define SZ_8M 0x00000060
>> +#define SZ_16M 0x00000070
>> +#define SZ_256M 0x00000090
>> +
>> +/* Storage attributes */
>> +#define SA_W 0x00000800 /* Write-through */
>> +#define SA_I 0x00000400 /* Caching inhibited */
>> +#define SA_M 0x00000200 /* Memory coherence */
>> +#define SA_G 0x00000100 /* Guarded */
>> +#define SA_E 0x00000080 /* Endian */
>> +
>> +/* Access control */
>> +#define AC_X 0x00000024 /* Execute */
>> +#define AC_W 0x00000012 /* Write */
>> +#define AC_R 0x00000009 /* Read */
>> +
>> +/* Some handy macros */
>> +
>> +#define EPN(e) ((e) & 0xfffffc00)
>> +#define TLB0(epn,sz) ( (EPN((epn)) | (sz) | TLB_VALID ) )
>> +#define TLB1(rpn,erpn) ( ((rpn)&0xfffffc00) | (erpn) )
>> +#define TLB2(a) ( (a)&0x00000fbf )
>> +
>> +#define tlbtab_start\
>> + mflr r1 ;\
>> + bl 0f ;
>> +
>> +#define tlbtab_end\
>> + .long 0, 0, 0 ; \
>> +0: mflr r0 ; \
>> + mtlr r1 ; \
>> + blr ;
>> +
>> +#define tlbentry(epn,sz,rpn,erpn,attr)\
>> + .long TLB0(epn,sz),TLB1(rpn,erpn),TLB2(attr)
>> +
[...]
>> +
>> + /* take sim card reader and CF controller out of reset */
>> + *(unsigned char *)(CFG_CPLD_BASE + 0x04) = 0x80;
>
> Don't use volatile pointer access for peripheral access. Use in_be32() and
> friends instead.
>
>> + /* 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 = in32(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 */
>> + *(unsigned char *)(CFG_CPLD_BASE + 0x06) |=
>> + 0x06 << (4 * eth);
>
> out_8()
>
>> + } else {
>> + /* SFP module present: configure PHY for fiber and
>> + enable output */
>> + out32(GPIO0_OR,
>> + in32(GPIO0_OR) | (0x00000001 << (4 - eth)));
>> + out32(GPIO1_OR,
>> + in32(GPIO1_OR) & ~(0x00000001 << (31 - eth)));
>
> out_be32()
>
>> + }
>> + }
>> + /* enable Ethernet: set GPIO45 and GPIO46 to 1 */
>> + out32(GPIO1_OR, in32(GPIO1_OR) | 0x00060000);
>
> out_b32()
>
>> + /* 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);
>> + }
>
> Single line statements without braces (as mentioned earlier).
>
>> +}
>> +
[...]
>>
>> -------------------------------------------------------------------------
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>> _______________________________________________
>> U-Boot-Users mailing list
>> U-Boot-Users at lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/u-boot-users
>
> Looks good. Thanks.
>
> Best regards,
> Stefan
>
> =====================================================================
> DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: +49-8142-66989-0 Fax: +49-8142-66989-80 Email: office at denx.de
> =====================================================================
>
Hi Stefan,
I looks like your e-mail was too long for the mailing list (my original
was close to the limit) so I've edited it down and left it above for
record.
Thanks for your comments. I'll be posting updated patches soon.
-- Larry
^ permalink raw reply [flat|nested] 2+ messages in thread
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2007-11-02 6:15 [U-Boot-Users] [PATCH 4/4] PPC4xx: Add support for Korat PPC440EPx board Larry Johnson
[not found] ` <200711020742.54049.sr@denx.de>
2007-11-02 15:08 ` Larry Johnson
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