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-rw-r--r--board/esd/pmc440/Makefile53
-rw-r--r--board/esd/pmc440/cmd_pmc440.c558
-rw-r--r--board/esd/pmc440/config.mk41
-rw-r--r--board/esd/pmc440/fpga.c461
-rw-r--r--board/esd/pmc440/fpga.h47
-rw-r--r--board/esd/pmc440/init.S122
-rw-r--r--board/esd/pmc440/pmc440.c898
-rw-r--r--board/esd/pmc440/pmc440.h154
-rw-r--r--board/esd/pmc440/sdram.c108
-rw-r--r--board/esd/pmc440/u-boot-nand.lds137
-rw-r--r--board/esd/pmc440/u-boot.lds145
11 files changed, 2724 insertions, 0 deletions
diff --git a/board/esd/pmc440/Makefile b/board/esd/pmc440/Makefile
new file mode 100644
index 0000000..4dd9c38
--- /dev/null
+++ b/board/esd/pmc440/Makefile
@@ -0,0 +1,53 @@
+#
+# (C) Copyright 2002-2006
+# 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
+
+LIB = $(obj)lib$(BOARD).a
+
+COBJS = $(BOARD).o cmd_pmc440.o sdram.o fpga.o \
+ ../common/cmd_loadpci.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/esd/pmc440/cmd_pmc440.c b/board/esd/pmc440/cmd_pmc440.c
new file mode 100644
index 0000000..350af48
--- /dev/null
+++ b/board/esd/pmc440/cmd_pmc440.c
@@ -0,0 +1,558 @@
+/*
+ * (C) Copyright 2007
+ * Matthias Fuchs, esd Gmbh, matthias.fuchs@esd-electronics.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ */
+
+#include <common.h>
+#include <command.h>
+#include <asm/io.h>
+#include <asm/cache.h>
+#include <asm/processor.h>
+
+#include "pmc440.h"
+
+int is_monarch(void);
+int bootstrap_eeprom_write(unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
+int eeprom_write_enable(unsigned dev_addr, int state);
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_CMD_BSP)
+
+static int got_fifoirq;
+static int got_hcirq;
+
+int fpga_interrupt(u32 arg)
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)arg;
+ int rc = -1; /* not for us */
+ u32 status = FPGA_IN32(&fpga->status);
+
+ /* check for interrupt from fifo module */
+ if (status & STATUS_FIFO_ISF) {
+ /* disable this int source */
+ FPGA_OUT32(&fpga->hostctrl, HOSTCTRL_FIFOIE_GATE);
+ rc = 0;
+ got_fifoirq = 1; /* trigger backend */
+ }
+
+ if (status & STATUS_HOST_ISF) {
+ FPGA_OUT32(&fpga->hostctrl, HOSTCTRL_HCINT_GATE);
+ rc = 0;
+ got_hcirq = 1;
+ }
+
+ return rc;
+}
+
+
+int do_waithci(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+
+ got_hcirq = 0;
+
+ FPGA_CLRBITS(&fpga->ctrla, CTRL_HOST_IE);
+ FPGA_OUT32(&fpga->hostctrl, HOSTCTRL_HCINT_GATE);
+
+ irq_install_handler(IRQ0_FPGA,
+ (interrupt_handler_t *)fpga_interrupt,
+ fpga);
+
+ FPGA_SETBITS(&fpga->ctrla, CTRL_HOST_IE);
+
+ while (!got_hcirq) {
+ /* Abort if ctrl-c was pressed */
+ if (ctrlc()) {
+ puts("\nAbort\n");
+ break;
+ }
+ }
+ if (got_hcirq)
+ printf("Got interrupt!\n");
+
+ FPGA_CLRBITS(&fpga->ctrla, CTRL_HOST_IE);
+ irq_free_handler(IRQ0_FPGA);
+ return 0;
+}
+U_BOOT_CMD(
+ waithci, 1, 1, do_waithci,
+ "waithci - Wait for host control interrupt\n",
+ NULL
+ );
+
+
+void dump_fifo(pmc440_fpga_t *fpga, int f, int *n)
+{
+ u32 ctrl;
+
+ while (!((ctrl = FPGA_IN32(&fpga->fifo[f].ctrl)) & FIFO_EMPTY)) {
+ printf("%5d %d %3d %08x",
+ (*n)++, f, ctrl & (FIFO_LEVEL_MASK | FIFO_FULL),
+ FPGA_IN32(&fpga->fifo[f].data));
+ if (ctrl & FIFO_OVERFLOW) {
+ printf(" OVERFLOW\n");
+ FPGA_CLRBITS(&fpga->fifo[f].ctrl, FIFO_OVERFLOW);
+ } else
+ printf("\n");
+ }
+}
+
+
+int do_fifo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+ int i;
+ int n = 0;
+ u32 ctrl, data, f;
+ char str[] = "\\|/-";
+ int abort = 0;
+ int count = 0;
+ int count2 = 0;
+
+ switch (argc) {
+ case 1:
+ /* print all fifos status information */
+ printf("fifo level status\n");
+ printf("______________________________\n");
+ for (i=0; i<FIFO_COUNT; i++) {
+ ctrl = FPGA_IN32(&fpga->fifo[i].ctrl);
+ printf(" %d %3d %s%s%s %s\n",
+ i, ctrl & (FIFO_LEVEL_MASK | FIFO_FULL),
+ ctrl & FIFO_FULL ? "FULL " : "",
+ ctrl & FIFO_EMPTY ? "EMPTY " : "",
+ ctrl & (FIFO_FULL|FIFO_EMPTY) ? "" : "NOT EMPTY",
+ ctrl & FIFO_OVERFLOW ? "OVERFLOW" : "");
+ }
+ break;
+
+ case 2:
+ /* completely read out fifo 'n' */
+ if (!strcmp(argv[1],"read")) {
+ printf(" # fifo level data\n");
+ printf("______________________________\n");
+
+ for (i=0; i<FIFO_COUNT; i++)
+ dump_fifo(fpga, i, &n);
+
+ } else if (!strcmp(argv[1],"wait")) {
+ got_fifoirq = 0;
+
+ irq_install_handler(IRQ0_FPGA,
+ (interrupt_handler_t *)fpga_interrupt,
+ fpga);
+
+ printf(" # fifo level data\n");
+ printf("______________________________\n");
+
+ /* enable all fifo interrupts */
+ FPGA_OUT32(&fpga->hostctrl,
+ HOSTCTRL_FIFOIE_GATE | HOSTCTRL_FIFOIE_FLAG);
+ for (i=0; i<FIFO_COUNT; i++) {
+ /* enable interrupts from all fifos */
+ FPGA_SETBITS(&fpga->fifo[i].ctrl, FIFO_IE);
+ }
+
+ while (1) {
+ /* wait loop */
+ while (!got_fifoirq) {
+ count++;
+ if (!(count % 100)) {
+ count2++;
+ putc(0x08); /* backspace */
+ putc(str[count2 % 4]);
+ }
+
+ /* Abort if ctrl-c was pressed */
+ if ((abort = ctrlc())) {
+ puts("\nAbort\n");
+ break;
+ }
+ udelay(1000);
+ }
+ if (abort)
+ break;
+
+ /* simple fifo backend */
+ if (got_fifoirq) {
+ for (i=0; i<FIFO_COUNT; i++)
+ dump_fifo(fpga, i, &n);
+
+ got_fifoirq = 0;
+ /* unmask global fifo irq */
+ FPGA_OUT32(&fpga->hostctrl,
+ HOSTCTRL_FIFOIE_GATE | HOSTCTRL_FIFOIE_FLAG);
+ }
+ }
+
+ /* disable all fifo interrupts */
+ FPGA_OUT32(&fpga->hostctrl, HOSTCTRL_FIFOIE_GATE);
+ for (i=0; i<FIFO_COUNT; i++)
+ FPGA_CLRBITS(&fpga->fifo[i].ctrl, FIFO_IE);
+
+ irq_free_handler(IRQ0_FPGA);
+
+ } else {
+ printf("Usage:\nfifo %s\n", cmdtp->help);
+ return 1;
+ }
+ break;
+
+ case 4:
+ case 5:
+ if (!strcmp(argv[1],"write")) {
+ /* get fifo number or fifo address */
+ f = simple_strtoul(argv[2], NULL, 16);
+
+ /* data paramter */
+ data = simple_strtoul(argv[3], NULL, 16);
+
+ /* get optional count parameter */
+ n = 1;
+ if (argc >= 5)
+ n = (int)simple_strtoul(argv[4], NULL, 10);
+
+ if (f < FIFO_COUNT) {
+ printf("writing %d x %08x to fifo %d\n",
+ n, data, f);
+ for (i=0; i<n; i++)
+ FPGA_OUT32(&fpga->fifo[f].data, data);
+ } else {
+ printf("writing %d x %08x to fifo port at address %08x\n",
+ n, data, f);
+ for (i=0; i<n; i++)
+ out32(f, data);
+ }
+ } else {
+ printf("Usage:\nfifo %s\n", cmdtp->help);
+ return 1;
+ }
+ break;
+
+ default:
+ printf("Usage:\nfifo %s\n", cmdtp->help);
+ return 1;
+ }
+ return 0;
+}
+U_BOOT_CMD(
+ fifo, 5, 1, do_fifo,
+ "fifo - Fifo module operations\n",
+ "wait\nfifo read\n"
+ "fifo write fifo(0..3) data [cnt=1]\n"
+ "fifo write address(>=4) data [cnt=1]\n"
+ " - without arguments: print all fifo's status\n"
+ " - with 'wait' argument: interrupt driven read from all fifos\n"
+ " - with 'read' argument: read current contents from all fifos\n"
+ " - with 'write' argument: write 'data' 'cnt' times to 'fifo' or 'address'\n"
+ );
+
+
+int do_setup_bootstrap_eeprom(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ ulong sdsdp[5];
+ ulong delay;
+ int count=16;
+
+ if (argc < 2) {
+ printf("Usage:\nsbe %s\n", cmdtp->help);
+ return -1;
+ }
+
+ if (argc > 1) {
+ if (!strcmp(argv[1], "400")) {
+ /* PLB=133MHz, PLB/PCI=3 */
+ printf("Bootstrapping for 400MHz\n");
+ sdsdp[0]=0x8678624e;
+ sdsdp[1]=0x095fa030;
+ sdsdp[2]=0x40082350;
+ sdsdp[3]=0x0d050000;
+ } else if (!strcmp(argv[1], "533")) {
+ /* PLB=133MHz, PLB/PCI=3 */
+ printf("Bootstrapping for 533MHz\n");
+ sdsdp[0]=0x87788252;
+ sdsdp[1]=0x095fa030;
+ sdsdp[2]=0x40082350;
+ sdsdp[3]=0x0d050000;
+ } else if (!strcmp(argv[1], "667")) {
+ /* PLB=133MHz, PLB/PCI=4 */
+ printf("Bootstrapping for 667MHz\n");
+ sdsdp[0]=0x8778a256;
+ sdsdp[1]=0x0947a030;
+ sdsdp[2]=0x40082350;
+ sdsdp[3]=0x0d050000;
+ } else if (!strcmp(argv[1], "test")) {
+ /* TODO: this will replace the 667 MHz config above.
+ * But it needs some more testing on a real 667 MHz CPU.
+ */
+ printf("Bootstrapping for test (667MHz PLB=133PLB PLB/PCI=3)\n");
+ sdsdp[0]=0x8778a256;
+ sdsdp[1]=0x095fa030;
+ sdsdp[2]=0x40082350;
+ sdsdp[3]=0x0d050000;
+ } else {
+ printf("Usage:\nsbe %s\n", cmdtp->help);
+ return -1;
+ }
+ }
+
+ if (argc > 2) {
+ sdsdp[4] = 0;
+ if (argv[2][0]=='1')
+ sdsdp[4]=0x19750100;
+ else if (argv[2][0]=='0')
+ sdsdp[4]=0x19750000;
+ if (sdsdp[4])
+ count += 4;
+ }
+
+ if (argc > 3) {
+ delay = simple_strtoul(argv[3], NULL, 10);
+ if (delay > 20)
+ delay = 20;
+ sdsdp[4] |= delay;
+ }
+
+ printf("Writing boot EEPROM ...\n");
+ if (bootstrap_eeprom_write(CFG_I2C_BOOT_EEPROM_ADDR,
+ 0, (uchar*)sdsdp, count) != 0)
+ printf("bootstrap_eeprom_write failed\n");
+ else
+ printf("done (dump via 'i2c md 52 0.1 14')\n");
+
+ return 0;
+}
+U_BOOT_CMD(
+ sbe, 4, 0, do_setup_bootstrap_eeprom,
+ "sbe - setup bootstrap eeprom\n",
+ "<cpufreq:400|533|667> [<console-uart:0|1> [<bringup delay (0..20s)>]]"
+ );
+
+
+#if defined(CONFIG_PRAM)
+#include <environment.h>
+extern env_t *env_ptr;
+
+int do_painit(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ u32 memsize;
+ u32 pram, env_base;
+ char *v;
+ u32 param;
+ ulong *lptr;
+
+ memsize = gd->bd->bi_memsize;
+
+ v = getenv("pram");
+ if (v)
+ pram = simple_strtoul(v, NULL, 10);
+ else {
+ printf("Error: pram undefined. Please define pram in KiB\n");
+ return 1;
+ }
+
+ param = memsize - (pram << 10);
+ printf("PARAM: @%08x\n", param);
+
+ memset((void*)param, 0, (pram << 10));
+ env_base = memsize - 4096 - ((CFG_ENV_SIZE + 4096) & ~(4096-1));
+ memcpy((void*)env_base, env_ptr, CFG_ENV_SIZE);
+
+ lptr = (ulong*)memsize;
+ *(--lptr) = CFG_ENV_SIZE;
+ *(--lptr) = memsize - env_base;
+ *(--lptr) = crc32(0, (void*)(memsize - 0x08), 0x08);
+ *(--lptr) = 0;
+
+ /* make sure data can be accessed through PCI */
+ flush_dcache_range(param, param + (pram << 10) - 1);
+ return 0;
+}
+U_BOOT_CMD(
+ painit, 1, 1, do_painit,
+ "painit - prepare PciAccess system\n",
+ NULL
+ );
+#endif /* CONFIG_PRAM */
+
+
+int do_selfreset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ if (argc > 1) {
+ if (argv[1][0] == '0') {
+ /* assert */
+ printf("self-reset# asserted\n");
+ out_be32((void*)GPIO0_TCR,
+ in_be32((void*)GPIO0_TCR) | GPIO0_SELF_RST);
+ } else {
+ /* deassert */
+ printf("self-reset# deasserted\n");
+ out_be32((void*)GPIO0_TCR,
+ in_be32((void*)GPIO0_TCR) & ~GPIO0_SELF_RST);
+ }
+ } else {
+ printf("self-reset# is %s\n",
+ in_be32((void*)GPIO0_TCR) & GPIO0_SELF_RST ?
+ "active" : "inactive");
+ }
+
+ return 0;
+}
+U_BOOT_CMD(
+ selfreset, 2, 1, do_selfreset,
+ "selfreset- assert self-reset# signal\n",
+ NULL
+ );
+
+
+int do_resetout(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+
+ /* requiers bootet FPGA and PLD_IOEN_N active */
+ if (in_be32((void*)GPIO1_OR) & GPIO1_IOEN_N) {
+ printf("Error: resetout requires a bootet FPGA\n");
+ return -1;
+ }
+
+ if (argc > 1) {
+ if (argv[1][0] == '0') {
+ /* assert */
+ printf("PMC-RESETOUT# asserted\n");
+ FPGA_OUT32(&fpga->hostctrl,
+ HOSTCTRL_PMCRSTOUT_GATE);
+ } else {
+ /* deassert */
+ printf("PMC-RESETOUT# deasserted\n");
+ FPGA_OUT32(&fpga->hostctrl,
+ HOSTCTRL_PMCRSTOUT_GATE | HOSTCTRL_PMCRSTOUT_FLAG);
+ }
+ } else {
+ printf("PMC-RESETOUT# is %s\n",
+ FPGA_IN32(&fpga->hostctrl) & HOSTCTRL_PMCRSTOUT_FLAG ?
+ "inactive" : "active");
+ }
+
+ return 0;
+}
+U_BOOT_CMD(
+ resetout, 2, 1, do_resetout,
+ "resetout - assert PMC-RESETOUT# signal\n",
+ NULL
+ );
+
+
+int do_inta(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ if (is_monarch()) {
+ printf("This command is only supported in non-monarch mode\n");
+ return -1;
+ }
+
+ if (argc > 1) {
+ if (argv[1][0] == '0') {
+ /* assert */
+ printf("inta# asserted\n");
+ out_be32((void*)GPIO1_TCR,
+ in_be32((void*)GPIO1_TCR) | GPIO1_INTA_FAKE);
+ } else {
+ /* deassert */
+ printf("inta# deasserted\n");
+ out_be32((void*)GPIO1_TCR,
+ in_be32((void*)GPIO1_TCR) & ~GPIO1_INTA_FAKE);
+ }
+ } else {
+ printf("inta# is %s\n", in_be32((void*)GPIO1_TCR) & GPIO1_INTA_FAKE ? "active" : "inactive");
+ }
+ return 0;
+}
+U_BOOT_CMD(
+ inta, 2, 1, do_inta,
+ "inta - Assert/Deassert or query INTA# state in non-monarch mode\n",
+ NULL
+ );
+
+
+/* test-only */
+int do_pmm(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ ulong pciaddr;
+
+ if (argc > 1) {
+ pciaddr = simple_strtoul(argv[1], NULL, 16);
+
+ pciaddr &= 0xf0000000;
+
+ /* map PCI address at 0xc0000000 in PLB space */
+ out32r(PCIX0_PMM1MA, 0x00000000); /* PMM1 Mask/Attribute - disabled b4 setting */
+ out32r(PCIX0_PMM1LA, 0xc0000000); /* PMM1 Local Address */
+ out32r(PCIX0_PMM1PCILA, pciaddr); /* PMM1 PCI Low Address */
+ out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM1 PCI High Address */
+ out32r(PCIX0_PMM1MA, 0xf0000001); /* 256MB + No prefetching, and enable region */
+ } else {
+ printf("Usage:\npmm %s\n", cmdtp->help);
+ }
+ return 0;
+}
+U_BOOT_CMD(
+ pmm, 2, 1, do_pmm,
+ "pmm - Setup pmm[1] registers\n",
+ "<pciaddr> (pciaddr will be aligned to 256MB)\n"
+ );
+
+#if defined(CFG_EEPROM_WREN)
+int do_eep_wren(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int query = argc == 1;
+ int state = 0;
+
+ if (query) {
+ /* Query write access state. */
+ state = eeprom_write_enable(CFG_I2C_EEPROM_ADDR, -1);
+ if (state < 0) {
+ puts("Query of write access state failed.\n");
+ } else {
+ printf("Write access for device 0x%0x is %sabled.\n",
+ CFG_I2C_EEPROM_ADDR, state ? "en" : "dis");
+ state = 0;
+ }
+ } else {
+ if ('0' == argv[1][0]) {
+ /* Disable write access. */
+ state = eeprom_write_enable(CFG_I2C_EEPROM_ADDR, 0);
+ } else {
+ /* Enable write access. */
+ state = eeprom_write_enable(CFG_I2C_EEPROM_ADDR, 1);
+ }
+ if (state < 0) {
+ puts("Setup of write access state failed.\n");
+ }
+ }
+
+ return state;
+}
+U_BOOT_CMD(eepwren, 2, 0, do_eep_wren,
+ "eepwren - Enable / disable / query EEPROM write access\n",
+ NULL);
+#endif /* #if defined(CFG_EEPROM_WREN) */
+
+#endif /* CONFIG_CMD_BSP */
diff --git a/board/esd/pmc440/config.mk b/board/esd/pmc440/config.mk
new file mode 100644
index 0000000..e62b8d3
--- /dev/null
+++ b/board/esd/pmc440/config.mk
@@ -0,0 +1,41 @@
+#
+# (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
+#
+#
+# AMCC 440EPx Reference Platform (Sequoia) board
+#
+
+sinclude $(OBJTREE)/board/$(BOARDDIR)/config.tmp
+
+ifndef TEXT_BASE
+TEXT_BASE = 0xFFFA0000
+endif
+
+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/esd/pmc440/fpga.c b/board/esd/pmc440/fpga.c
new file mode 100644
index 0000000..a35f42b
--- /dev/null
+++ b/board/esd/pmc440/fpga.c
@@ -0,0 +1,461 @@
+/*
+ * (C) Copyright 2007
+ * Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <spartan2.h>
+#include <spartan3.h>
+#include <command.h>
+#include "fpga.h"
+#include "pmc440.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#if defined(CONFIG_FPGA)
+
+#define USE_SP_CODE
+
+#ifdef USE_SP_CODE
+Xilinx_Spartan3_Slave_Parallel_fns pmc440_fpga_fns = {
+ fpga_pre_config_fn,
+ fpga_pgm_fn,
+ fpga_init_fn,
+ NULL, /* err */
+ fpga_done_fn,
+ fpga_clk_fn,
+ fpga_cs_fn,
+ fpga_wr_fn,
+ NULL, /* rdata */
+ fpga_wdata_fn,
+ fpga_busy_fn,
+ fpga_abort_fn,
+ fpga_post_config_fn,
+};
+#else
+Xilinx_Spartan3_Slave_Serial_fns pmc440_fpga_fns = {
+ fpga_pre_config_fn,
+ fpga_pgm_fn,
+ fpga_clk_fn,
+ fpga_init_fn,
+ fpga_done_fn,
+ fpga_wr_fn,
+ fpga_post_config_fn,
+};
+#endif
+
+Xilinx_Spartan2_Slave_Serial_fns ngcc_fpga_fns = {
+ ngcc_fpga_pre_config_fn,
+ ngcc_fpga_pgm_fn,
+ ngcc_fpga_clk_fn,
+ ngcc_fpga_init_fn,
+ ngcc_fpga_done_fn,
+ ngcc_fpga_wr_fn,
+ ngcc_fpga_post_config_fn
+};
+
+Xilinx_desc fpga[CONFIG_FPGA_COUNT] = {
+ XILINX_XC3S1200E_DESC(
+#ifdef USE_SP_CODE
+ slave_parallel,
+#else
+ slave_serial,
+#endif
+ (void *)&pmc440_fpga_fns,
+ 0),
+ XILINX_XC2S200_DESC(
+ slave_serial,
+ (void *)&ngcc_fpga_fns,
+ 0)
+};
+
+
+/*
+ * Set the active-low FPGA reset signal.
+ */
+void fpga_reset(int assert)
+{
+ debug("%s:%d: RESET ", __FUNCTION__, __LINE__);
+ if (assert) {
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) & ~GPIO1_FPGA_DATA);
+ debug("asserted\n");
+ } else {
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) | GPIO1_FPGA_DATA);
+ debug("deasserted\n");
+ }
+}
+
+
+/*
+ * Initialize the SelectMap interface. We assume that the mode and the
+ * initial state of all of the port pins have already been set!
+ */
+void fpga_serialslave_init(void)
+{
+ debug("%s:%d: Initialize serial slave interface\n", __FUNCTION__,
+ __LINE__);
+ fpga_pgm_fn(FALSE, FALSE, 0); /* make sure program pin is inactive */
+}
+
+
+/*
+ * Set the FPGA's active-low SelectMap program line to the specified level
+ */
+int fpga_pgm_fn(int assert, int flush, int cookie)
+{
+ debug("%s:%d: FPGA PROGRAM ",
+ __FUNCTION__, __LINE__);
+
+ if (assert) {
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) & ~GPIO1_FPGA_PRG);
+ debug("asserted\n");
+ } else {
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) | GPIO1_FPGA_PRG);
+ debug("deasserted\n");
+ }
+ return assert;
+}
+
+
+/*
+ * Test the state of the active-low FPGA INIT line. Return 1 on INIT
+ * asserted (low).
+ */
+int fpga_init_fn(int cookie)
+{
+ if (in_be32((void*)GPIO1_IR) & GPIO1_FPGA_INIT)
+ return 0;
+ else
+ return 1;
+}
+
+#ifdef USE_SP_CODE
+int fpga_abort_fn(int cookie)
+{
+ return 0;
+}
+
+
+int fpga_cs_fn(int assert_cs, int flush, int cookie)
+{
+ return assert_cs;
+}
+
+
+int fpga_busy_fn(int cookie)
+{
+ return 1;
+}
+#endif
+
+
+/*
+ * Test the state of the active-high FPGA DONE pin
+ */
+int fpga_done_fn(int cookie)
+{
+ if (in_be32((void*)GPIO1_IR) & GPIO1_FPGA_DONE)
+ return 1;
+ else
+ return 0;
+}
+
+
+/*
+ * FPGA pre-configuration function. Just make sure that
+ * FPGA reset is asserted to keep the FPGA from starting up after
+ * configuration.
+ */
+int fpga_pre_config_fn(int cookie)
+{
+ debug("%s:%d: FPGA pre-configuration\n", __FUNCTION__, __LINE__);
+ fpga_reset(TRUE);
+
+ /* release init# */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) | GPIO0_FPGA_FORCEINIT);
+ /* disable PLD IOs */
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) | GPIO1_IOEN_N);
+ return 0;
+}
+
+
+/*
+ * FPGA post configuration function. Blip the FPGA reset line and then see if
+ * the FPGA appears to be running.
+ */
+int fpga_post_config_fn(int cookie)
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+ int rc=0;
+ char *s;
+
+ debug("%s:%d: FPGA post configuration\n", __FUNCTION__, __LINE__);
+
+ /* enable PLD0..7 pins */
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) & ~GPIO1_IOEN_N);
+
+ fpga_reset(TRUE);
+ udelay (100);
+ fpga_reset(FALSE);
+ udelay (100);
+
+ FPGA_OUT32(&fpga->status, (gd->board_type << STATUS_HWREV_SHIFT) & STATUS_HWREV_MASK);
+
+ /* NGCC only: enable ledlink */
+ if ((s = getenv("bd_type")) && !strcmp(s, "ngcc"))
+ FPGA_SETBITS(&fpga->ctrla, 0x29f8c000);
+
+ return rc;
+}
+
+
+int fpga_clk_fn(int assert_clk, int flush, int cookie)
+{
+ if (assert_clk)
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) | GPIO1_FPGA_CLK);
+ else
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) & ~GPIO1_FPGA_CLK);
+
+ return assert_clk;
+}
+
+
+int fpga_wr_fn(int assert_write, int flush, int cookie)
+{
+ if (assert_write)
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) | GPIO1_FPGA_DATA);
+ else
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) & ~GPIO1_FPGA_DATA);
+
+ return assert_write;
+}
+
+#ifdef USE_SP_CODE
+int fpga_wdata_fn(uchar data, int flush, int cookie)
+{
+ uchar val = data;
+ ulong or = in_be32((void*)GPIO1_OR);
+ int i = 7;
+ do {
+ /* Write data */
+ if (val & 0x80)
+ or = (or & ~GPIO1_FPGA_CLK) | GPIO1_FPGA_DATA;
+ else
+ or = or & ~(GPIO1_FPGA_CLK | GPIO1_FPGA_DATA);
+
+ out_be32((void*)GPIO1_OR, or);
+
+ /* Assert the clock */
+ or |= GPIO1_FPGA_CLK;
+ out_be32((void*)GPIO1_OR, or);
+ val <<= 1;
+ i --;
+ } while (i > 0);
+
+ /* Write last data bit (the 8th clock comes from the sp_load() code */
+ if (val & 0x80)
+ or = (or & ~GPIO1_FPGA_CLK) | GPIO1_FPGA_DATA;
+ else
+ or = or & ~(GPIO1_FPGA_CLK | GPIO1_FPGA_DATA);
+
+ out_be32((void*)GPIO1_OR, or);
+
+ return 0;
+}
+#endif
+
+#define NGCC_FPGA_PRG CLOCK_EN
+#define NGCC_FPGA_DATA RESET_OUT
+#define NGCC_FPGA_DONE CLOCK_IN
+#define NGCC_FPGA_INIT IRIGB_R_IN
+#define NGCC_FPGA_CLK CLOCK_OUT
+
+void ngcc_fpga_serialslave_init(void)
+{
+ debug("%s:%d: Initialize serial slave interface\n",
+ __FUNCTION__, __LINE__);
+
+ /* make sure program pin is inactive */
+ ngcc_fpga_pgm_fn (FALSE, FALSE, 0);
+}
+
+/*
+ * Set the active-low FPGA reset signal.
+ */
+void ngcc_fpga_reset(int assert)
+{
+ debug("%s:%d: RESET ", __FUNCTION__, __LINE__);
+
+ if (assert) {
+ FPGA_CLRBITS(NGCC_CTRL_BASE, NGCC_CTRL_FPGARST_N);
+ debug("asserted\n");
+ } else {
+ FPGA_SETBITS(NGCC_CTRL_BASE, NGCC_CTRL_FPGARST_N);
+ debug("deasserted\n");
+ }
+}
+
+
+/*
+ * Set the FPGA's active-low SelectMap program line to the specified level
+ */
+int ngcc_fpga_pgm_fn(int assert, int flush, int cookie)
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+
+ debug("%s:%d: FPGA PROGRAM ", __FUNCTION__, __LINE__);
+
+ if (assert) {
+ FPGA_CLRBITS(&fpga->ctrla, NGCC_FPGA_PRG);
+ debug("asserted\n");
+ } else {
+ FPGA_SETBITS(&fpga->ctrla, NGCC_FPGA_PRG);
+ debug("deasserted\n");
+ }
+
+ return assert;
+}
+
+
+/*
+ * Test the state of the active-low FPGA INIT line. Return 1 on INIT
+ * asserted (low).
+ */
+int ngcc_fpga_init_fn(int cookie)
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+
+ debug("%s:%d: INIT check... ", __FUNCTION__, __LINE__);
+ if (FPGA_IN32(&fpga->status) & NGCC_FPGA_INIT) {
+ debug("high\n");
+ return 0;
+ } else {
+ debug("low\n");
+ return 1;
+ }
+}
+
+
+/*
+ * Test the state of the active-high FPGA DONE pin
+ */
+int ngcc_fpga_done_fn(int cookie)
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+
+ debug("%s:%d: DONE check... ", __FUNCTION__, __LINE__);
+ if (FPGA_IN32(&fpga->status) & NGCC_FPGA_DONE) {
+ debug("DONE high\n");
+ return 1;
+ } else {
+ debug("low\n");
+ return 0;
+ }
+}
+
+
+/*
+ * FPGA pre-configuration function.
+ */
+int ngcc_fpga_pre_config_fn(int cookie)
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+ debug("%s:%d: FPGA pre-configuration\n", __FUNCTION__, __LINE__);
+
+ ngcc_fpga_reset(TRUE);
+ FPGA_CLRBITS(&fpga->ctrla, 0xfffffe00);
+
+ ngcc_fpga_reset(TRUE);
+ return 0;
+}
+
+
+/*
+ * FPGA post configuration function. Blip the FPGA reset line and then see if
+ * the FPGA appears to be running.
+ */
+int ngcc_fpga_post_config_fn(int cookie)
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+
+ debug("%s:%d: NGCC FPGA post configuration\n", __FUNCTION__, __LINE__);
+
+ udelay (100);
+ ngcc_fpga_reset(FALSE);
+
+ FPGA_SETBITS(&fpga->ctrla, 0x29f8c000);
+
+ return 0;
+}
+
+
+int ngcc_fpga_clk_fn(int assert_clk, int flush, int cookie)
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+
+ if (assert_clk)
+ FPGA_SETBITS(&fpga->ctrla, NGCC_FPGA_CLK);
+ else
+ FPGA_CLRBITS(&fpga->ctrla, NGCC_FPGA_CLK);
+
+ return assert_clk;
+}
+
+
+int ngcc_fpga_wr_fn(int assert_write, int flush, int cookie)
+{
+ pmc440_fpga_t *fpga = (pmc440_fpga_t *)FPGA_BA;
+
+ if (assert_write)
+ FPGA_SETBITS(&fpga->ctrla, NGCC_FPGA_DATA);
+ else
+ FPGA_CLRBITS(&fpga->ctrla, NGCC_FPGA_DATA);
+
+ return assert_write;
+}
+
+
+/*
+ * Initialize the fpga. Return 1 on success, 0 on failure.
+ */
+int pmc440_init_fpga(void)
+{
+ char *s;
+
+ debug("%s:%d: Initialize FPGA interface (relocation offset = 0x%.8lx)\n",
+ __FUNCTION__, __LINE__, gd->reloc_off);
+ fpga_init(gd->reloc_off);
+
+ fpga_serialslave_init ();
+ debug("%s:%d: Adding fpga 0\n", __FUNCTION__, __LINE__);
+ fpga_add (fpga_xilinx, &fpga[0]);
+
+ /* NGCC only */
+ if ((s = getenv("bd_type")) && !strcmp(s, "ngcc")) {
+ ngcc_fpga_serialslave_init ();
+ debug("%s:%d: Adding fpga 1\n", __FUNCTION__, __LINE__);
+ fpga_add (fpga_xilinx, &fpga[1]);
+ }
+
+ return 0;
+}
+#endif /* CONFIG_FPGA */
diff --git a/board/esd/pmc440/fpga.h b/board/esd/pmc440/fpga.h
new file mode 100644
index 0000000..d61a3cf
--- /dev/null
+++ b/board/esd/pmc440/fpga.h
@@ -0,0 +1,47 @@
+/*
+ * (C) Copyright 2007
+ * Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+extern int pmc440_init_fpga(void);
+
+extern int fpga_pgm_fn(int assert_pgm, int flush, int cookie);
+extern int fpga_init_fn(int cookie);
+extern int fpga_err_fn(int cookie);
+extern int fpga_done_fn(int cookie);
+extern int fpga_clk_fn(int assert_clk, int flush, int cookie);
+extern int fpga_cs_fn(int assert_cs, int flush, int cookie);
+extern int fpga_wr_fn(int assert_write, int flush, int cookie);
+extern int fpga_wdata_fn (uchar data, int flush, int cookie);
+extern int fpga_read_data_fn(unsigned char *data, int cookie);
+extern int fpga_write_data_fn(unsigned char data, int flush, int cookie);
+extern int fpga_busy_fn(int cookie);
+extern int fpga_abort_fn(int cookie );
+extern int fpga_pre_config_fn(int cookie );
+extern int fpga_post_config_fn(int cookie );
+
+extern int ngcc_fpga_pgm_fn(int assert_pgm, int flush, int cookie);
+extern int ngcc_fpga_init_fn(int cookie);
+extern int ngcc_fpga_done_fn(int cookie);
+extern int ngcc_fpga_clk_fn(int assert_clk, int flush, int cookie);
+extern int ngcc_fpga_wr_fn(int assert_write, int flush, int cookie);
+extern int ngcc_fpga_pre_config_fn(int cookie );
+extern int ngcc_fpga_post_config_fn(int cookie );
diff --git a/board/esd/pmc440/init.S b/board/esd/pmc440/init.S
new file mode 100644
index 0000000..148af71
--- /dev/null
+++ b/board/esd/pmc440/init.S
@@ -0,0 +1,122 @@
+/*
+ *
+ * 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
+ */
+#ifndef CONFIG_NAND_SPL
+ tlbentry( CFG_BOOT_BASE_ADDR, SZ_256M, CFG_BOOT_BASE_ADDR, 1, AC_R|AC_W|AC_X|SA_G )
+#else
+ tlbentry( CFG_NAND_BOOT_SPL_SRC, SZ_4K, CFG_NAND_BOOT_SPL_SRC, 1, AC_R|AC_W|AC_X|SA_G )
+#endif
+
+ /* TLB-entry for DDR SDRAM (Up to 2GB) */
+#ifdef CONFIG_4xx_DCACHE
+ tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G)
+#else
+ tlbentry( CFG_SDRAM_BASE, SZ_256M, CFG_SDRAM_BASE, 0, AC_R|AC_W|AC_X|SA_G|SA_I )
+#endif
+
+#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-entries for EBC */
+ /* PMC440 maps EBC to 0xef000000 which is handled by the peripheral
+ * tlb entry.
+ * This dummy entry is only for convinience in order not to modify the
+ * amount of entries. Currently OS/9 relies on this :-)
+ */
+ tlbentry( 0xc0000000, SZ_256M, 0xc0000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
+
+ /* TLB-entry for NAND */
+ tlbentry( CFG_NAND_ADDR, SZ_1K, CFG_NAND_ADDR, 1, AC_R|AC_W|AC_X|SA_G|SA_I )
+
+ /* TLB-entry for Internal Registers & OCM */
+ 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|AC_X|SA_G|SA_I )
+
+ /* TLB-entry for peripherals */
+ tlbentry( 0xEF000000, SZ_16M, 0xEF000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
+
+ /* TLB-entry PCI IO space */
+ tlbentry(0xE8000000, SZ_64K, 0xE8000000, 1, AC_R|AC_W|AC_X|SA_G|SA_I)
+
+ /* TODO: what about high IO space */
+ tlbtab_end
+
+#if defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
+ /*
+ * For NAND booting the first TLB has to be reconfigured to full size
+ * and with caching disabled after running from RAM!
+ */
+#define TLB00 TLB0(CFG_BOOT_BASE_ADDR, SZ_256M)
+#define TLB01 TLB1(CFG_BOOT_BASE_ADDR, 1)
+#define TLB02 TLB2(AC_R|AC_W|AC_X|SA_G|SA_I)
+
+ .globl reconfig_tlb0
+reconfig_tlb0:
+ sync
+ isync
+ addi r4,r0,0x0000 /* TLB entry #0 */
+ lis r5,TLB00@h
+ ori r5,r5,TLB00@l
+ tlbwe r5,r4,0x0000 /* Save it out */
+ lis r5,TLB01@h
+ ori r5,r5,TLB01@l
+ tlbwe r5,r4,0x0001 /* Save it out */
+ lis r5,TLB02@h
+ ori r5,r5,TLB02@l
+ tlbwe r5,r4,0x0002 /* Save it out */
+ sync
+ isync
+ blr
+#endif
diff --git a/board/esd/pmc440/pmc440.c b/board/esd/pmc440/pmc440.c
new file mode 100644
index 0000000..edf3a14
--- /dev/null
+++ b/board/esd/pmc440/pmc440.c
@@ -0,0 +1,898 @@
+/*
+ * (C) Copyright 2007
+ * Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com.
+ * Based on board/amcc/sequoia/sequoia.c
+ *
+ * (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 <libfdt.h>
+#include <fdt_support.h>
+#include <ppc440.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <command.h>
+#include <i2c.h>
+#ifdef CONFIG_RESET_PHY_R
+#include <miiphy.h>
+#endif
+#include <serial.h>
+#include "fpga.h"
+#include "pmc440.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 pci_is_66mhz(void);
+int bootstrap_eeprom_read(unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt);
+
+
+struct serial_device *default_serial_console(void)
+{
+ uchar buf[4];
+ ulong delay;
+ int i;
+ ulong val;
+
+ /*
+ * Use default console on P4 when strapping jumper
+ * is installed (bootstrap option != 'H').
+ */
+ mfsdr(SDR_PINSTP, val);
+ if (((val & 0xf0000000) >> 29) != 7)
+ return &serial1_device;
+
+ ulong scratchreg = in_be32((void*)GPIO0_ISR3L);
+ if (!(scratchreg & 0x80)) {
+ /* mark scratchreg valid */
+ scratchreg = (scratchreg & 0xffffff00) | 0x80;
+
+ i = bootstrap_eeprom_read(CFG_I2C_BOOT_EEPROM_ADDR, 0x10, buf, 4);
+ if ((i != -1) && (buf[0] == 0x19) && (buf[1] == 0x75)) {
+ scratchreg |= buf[2];
+
+ /* bringup delay for console */
+ for (delay=0; delay<(1000 * (ulong)buf[3]); delay++) {
+ udelay(1000);
+ }
+ } else
+ scratchreg |= 0x01;
+ out_be32((void*)GPIO0_ISR3L, scratchreg);
+ }
+
+ if (scratchreg & 0x01)
+ return &serial1_device;
+ else
+ return &serial0_device;
+}
+
+int board_early_init_f(void)
+{
+ u32 sdr0_cust0;
+ u32 sdr0_pfc1, sdr0_pfc2;
+ u32 reg;
+
+ /* general EBC configuration (disable EBC timeouts) */
+ mtdcr(ebccfga, xbcfg);
+ mtdcr(ebccfgd, 0xf8400000);
+
+ /*--------------------------------------------------------------------
+ * Setup the GPIO pins
+ * TODO: setup GPIOs via CFG_4xx_GPIO_TABLE in board's config file
+ *-------------------------------------------------------------------*/
+ out32(GPIO0_OR, 0x40000002);
+ out32(GPIO0_TCR, 0x4c90011f);
+ out32(GPIO0_OSRL, 0x28011400);
+ out32(GPIO0_OSRH, 0x55005000);
+ out32(GPIO0_TSRL, 0x08011400);
+ out32(GPIO0_TSRH, 0x55005000);
+ out32(GPIO0_ISR1L, 0x54000000);
+ out32(GPIO0_ISR1H, 0x00000000);
+ out32(GPIO0_ISR2L, 0x44000000);
+ out32(GPIO0_ISR2H, 0x00000100);
+ out32(GPIO0_ISR3L, 0x00000000);
+ out32(GPIO0_ISR3H, 0x00000000);
+
+ out32(GPIO1_OR, 0x80002408);
+ out32(GPIO1_TCR, 0xd6003c08);
+ out32(GPIO1_OSRL, 0x0a5a0000);
+ out32(GPIO1_OSRH, 0x00000000);
+ out32(GPIO1_TSRL, 0x00000000);
+ out32(GPIO1_TSRH, 0x00000000);
+ out32(GPIO1_ISR1L, 0x00005555);
+ out32(GPIO1_ISR1H, 0x40000000);
+ out32(GPIO1_ISR2L, 0x04010000);
+ out32(GPIO1_ISR2H, 0x00000000);
+ out32(GPIO1_ISR3L, 0x01400000);
+ out32(GPIO1_ISR3H, 0x00000000);
+
+ /* patch PLB:PCI divider for 66MHz PCI */
+ mfcpr(clk_spcid, reg);
+ if (pci_is_66mhz() && (reg != 0x02000000)) {
+ mtcpr(clk_spcid, 0x02000000); /* 133MHZ : 2 for 66MHz PCI */
+
+ mfcpr(clk_icfg, reg);
+ reg |= CPR0_ICFG_RLI_MASK;
+ mtcpr(clk_icfg, reg);
+
+ mtspr(dbcr0, 0x20000000); /* do chip reset */
+ }
+
+ /*--------------------------------------------------------------------
+ * 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, 0xfffff7ef);
+ mtdcr(uic0tr, 0x00000000);
+ 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, 0xffffc7f5);
+ mtdcr(uic1tr, 0x00000000);
+ 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, 0x27ffffff);
+ mtdcr(uic2tr, 0x00000000);
+ mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 */
+ mtdcr(uic2sr, 0xffffffff); /* clear all */
+
+ /* 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;
+
+ /* enable 2nd IIC */
+ sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_IIC1_SEL;
+
+ mtsdr(SDR0_PFC2, sdr0_pfc2);
+ mtsdr(SDR0_PFC1, sdr0_pfc1);
+
+ /* setup NAND FLASH */
+ mfsdr(SDR0_CUST0, sdr0_cust0);
+ sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL |
+ SDR0_CUST0_NDFC_ENABLE |
+ SDR0_CUST0_NDFC_BW_8_BIT |
+ SDR0_CUST0_NDFC_ARE_MASK |
+ (0x80000000 >> (28 + CFG_NAND_CS));
+ mtsdr(SDR0_CUST0, sdr0_cust0);
+
+ return 0;
+}
+
+/*---------------------------------------------------------------------------+
+ | 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;
+
+#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+ mtdcr(ebccfga, pb2cr);
+#else
+ mtdcr(ebccfga, pb0cr);
+#endif
+ 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);
+#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+ mtdcr(ebccfga, pb2cr);
+#else
+ mtdcr(ebccfga, pb0cr);
+#endif
+ mtdcr(ebccfgd, pbcr);
+
+ /*
+ * Re-check to get correct base address
+ */
+ flash_get_size(gd->bd->bi_flashstart, 0);
+
+#ifdef CFG_ENV_IS_IN_FLASH
+ /* 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]);
+#endif
+
+ /*
+ * USB suff...
+ */
+ if ((act == NULL || strcmp(act, "hostdev") == 0) &&
+ !(in_be32((void*)GPIO0_IR) & GPIO0_USB_PRSNT)){
+ /* 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*/
+
+ usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK;
+ sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK;
+
+ 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\n");
+
+ } else if ((strcmp(act, "dev") == 0) || (in_be32((void*)GPIO0_IR) & GPIO0_USB_PRSNT)) {
+ /*-------------------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;
+
+ 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\n");
+ }
+
+ /*
+ * 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);
+
+#ifdef CONFIG_FPGA
+ pmc440_init_fpga();
+#endif
+
+ /* turn off POST LED */
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) & ~GPIO1_POST_N);
+ /* turn on RUN LED */
+ out_be32((void*)GPIO0_OR, in_be32((void*)GPIO0_OR) & ~GPIO0_LED_RUN_N);
+ return 0;
+}
+
+int is_monarch(void)
+{
+ if (in_be32((void*)GPIO1_IR) & GPIO1_NONMONARCH)
+ return 0;
+
+ return 1;
+}
+
+int pci_is_66mhz(void)
+{
+ if (in_be32((void*)GPIO1_IR) & GPIO1_M66EN)
+ return 1;
+ return 0;
+}
+
+int board_revision(void)
+{
+ return (int)((in_be32((void*)GPIO1_IR) & GPIO1_HWID_MASK) >> 4);
+}
+
+int checkboard(void)
+{
+ puts("Board: esd GmbH - PMC440");
+
+ gd->board_type = board_revision();
+ printf(", Rev 1.%ld, ", gd->board_type);
+
+ if (!is_monarch()) {
+ puts("non-");
+ }
+
+ printf("monarch, PCI=%s MHz\n", pci_is_66mhz() ? "66" : "33");
+ return (0);
+}
+
+
+#if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP)
+/*
+ * Assign interrupts to PCI devices. Some OSs rely on this.
+ */
+void pmc440_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev)
+{
+ unsigned char int_line[] = {IRQ_PCIC, IRQ_PCID, IRQ_PCIA, IRQ_PCIB};
+
+ pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE,
+ int_line[PCI_DEV(dev) & 0x03]);
+}
+#endif
+
+/*************************************************************************
+ * 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);
+
+#ifdef CONFIG_PCI_PNP
+ hose->fixup_irq = pmc440_pci_fixup_irq;
+#endif
+
+ 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 0x80000000-0xBFFFFFFF ==> PCI address 0x80000000-0xBFFFFFFF
+ | 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, 0xc0000001); /* 1G + No prefetching, and enable region */
+
+ if (!is_monarch()) {
+ /* BAR1: top 64MB of RAM */
+ out32r(PCIX0_PTM1MS, 0xfc000001); /* Memory Size/Attribute */
+ out32r(PCIX0_PTM1LA, 0x0c000000); /* Local Addr. Reg */
+ } else {
+ /* BAR1: complete 256MB RAM (TODO: make dynamic) */
+ out32r(PCIX0_PTM1MS, 0xf0000001); /* Memory Size/Attribute */
+ out32r(PCIX0_PTM1LA, 0x00000000); /* Local Addr. Reg */
+ }
+
+ /* BAR2: 16 MB FPGA registers */
+ out32r(PCIX0_PTM2MS, 0xff000001); /* Memory Size/Attribute */
+ out32r(PCIX0_PTM2LA, 0xef000000); /* Local Addr. Reg */
+
+ if (is_monarch()) {
+ /* BAR2: map FPGA registers behind system memory at 1GB */
+ pci_write_config_dword(0, PCI_BASE_ADDRESS_2, 0x40000008);
+ }
+
+ /*--------------------------------------------------------------------------+
+ * Set up Configuration registers
+ *--------------------------------------------------------------------------*/
+
+ /* Program the board's vendor id */
+ pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID,
+ CFG_PCI_SUBSYS_VENDORID);
+
+#if 0 /* disabled for PMC405 backward compatibility */
+ /* Configure command register as bus master */
+ pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER);
+#endif
+
+ /* 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);
+
+ if (!is_monarch()) {
+ /* Program the board's subsystem id/classcode */
+ pci_write_config_word(0, PCI_SUBSYSTEM_ID,
+ CFG_PCI_SUBSYS_ID_NONMONARCH);
+ pci_write_config_word(0, PCI_CLASS_SUB_CODE,
+ CFG_PCI_CLASSCODE_NONMONARCH);
+
+ /* PCI configuration done: release ERREADY */
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) | GPIO1_PPC_EREADY);
+ out_be32((void*)GPIO1_TCR, in_be32((void*)GPIO1_TCR) | GPIO1_PPC_EREADY);
+ } else {
+ /* Program the board's subsystem id/classcode */
+ pci_write_config_word(0, PCI_SUBSYSTEM_ID,
+ CFG_PCI_SUBSYS_ID_MONARCH);
+ pci_write_config_word(0, PCI_CLASS_SUB_CODE,
+ CFG_PCI_CLASSCODE_MONARCH);
+ }
+}
+#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).
+ +--------------------------------------------------------------------------*/
+ if (is_monarch()) {
+ 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 /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */
+
+
+static void wait_for_pci_ready(void)
+{
+ int i;
+ char *s = getenv("pcidelay");
+ if (s) {
+ int ms = simple_strtoul(s, NULL, 10);
+ printf("PCI: Waiting for %d ms\n", ms);
+ for (i=0; i<ms; i++)
+ udelay(1000);
+ }
+
+ if (!(in_be32((void*)GPIO1_IR) & GPIO1_PPC_EREADY)) {
+ printf("PCI: Waiting for EREADY (CTRL-C to skip) ... ");
+ while (1) {
+ if (ctrlc()) {
+ puts("abort\n");
+ break;
+ }
+ if (in_be32((void*)GPIO1_IR) & GPIO1_PPC_EREADY) {
+ printf("done\n");
+ break;
+ }
+ }
+ }
+}
+
+
+/*************************************************************************
+ * 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)
+{
+ char *s = getenv("pciscan");
+ if (s == NULL)
+ if (is_monarch()) {
+ wait_for_pci_ready();
+ return 1;
+ } else
+ return 0;
+ else if (!strcmp(s, "yes"))
+ return 1;
+
+ return 0;
+}
+#endif /* defined(CONFIG_PCI) */
+#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 /* CONFIG_POST */
+
+
+#ifdef CONFIG_RESET_PHY_R
+void reset_phy(void)
+{
+ if (miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x1f, 0x0001) == 0) {
+ miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x11, 0x0010);
+ miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x11, 0x0df0);
+ miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x10, 0x0e10);
+ miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, 0x1f, 0x0000);
+ }
+
+ if (miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x1f, 0x0001) == 0) {
+ miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x11, 0x0010);
+ miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x11, 0x0df0);
+ miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x10, 0x0e10);
+ miiphy_write("ppc_4xx_eth1", CONFIG_PHY1_ADDR, 0x1f, 0x0000);
+ }
+}
+#endif
+
+#if defined(CFG_EEPROM_WREN)
+/* Input: <dev_addr> I2C address of EEPROM device to enable.
+ * <state> -1: deliver current state
+ * 0: disable write
+ * 1: enable write
+ * Returns: -1: wrong device address
+ * 0: dis-/en- able done
+ * 0/1: current state if <state> was -1.
+ */
+int eeprom_write_enable(unsigned dev_addr, int state)
+{
+ if ((CFG_I2C_EEPROM_ADDR != dev_addr) && (CFG_I2C_BOOT_EEPROM_ADDR != dev_addr)) {
+ return -1;
+ } else {
+ switch (state) {
+ case 1:
+ /* Enable write access, clear bit GPIO_SINT2. */
+ out32(GPIO0_OR, in32(GPIO0_OR) & ~GPIO0_EP_EEP);
+ state = 0;
+ break;
+ case 0:
+ /* Disable write access, set bit GPIO_SINT2. */
+ out32(GPIO0_OR, in32(GPIO0_OR) | GPIO0_EP_EEP);
+ state = 0;
+ break;
+ default:
+ /* Read current status back. */
+ state = (0 == (in32(GPIO0_OR) & GPIO0_EP_EEP));
+ break;
+ }
+ }
+ return state;
+}
+#endif /* #if defined(CFG_EEPROM_WREN) */
+
+
+#define CFG_BOOT_EEPROM_PAGE_WRITE_BITS 3
+int bootstrap_eeprom_write(unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt)
+{
+ unsigned end = offset + cnt;
+ unsigned blk_off;
+ int rcode = 0;
+
+#if defined(CFG_EEPROM_WREN)
+ eeprom_write_enable(dev_addr, 1);
+#endif
+ /* Write data until done or would cross a write page boundary.
+ * We must write the address again when changing pages
+ * because the address counter only increments within a page.
+ */
+
+ while (offset < end) {
+ unsigned alen, len;
+ unsigned maxlen;
+ uchar addr[2];
+
+ blk_off = offset & 0xFF; /* block offset */
+
+ addr[0] = offset >> 8; /* block number */
+ addr[1] = blk_off; /* block offset */
+ alen = 2;
+ addr[0] |= dev_addr; /* insert device address */
+
+ len = end - offset;
+
+#define BOOT_EEPROM_PAGE_SIZE (1 << CFG_BOOT_EEPROM_PAGE_WRITE_BITS)
+#define BOOT_EEPROM_PAGE_OFFSET(x) ((x) & (BOOT_EEPROM_PAGE_SIZE - 1))
+
+ maxlen = BOOT_EEPROM_PAGE_SIZE - BOOT_EEPROM_PAGE_OFFSET(blk_off);
+ if (maxlen > I2C_RXTX_LEN)
+ maxlen = I2C_RXTX_LEN;
+
+ if (len > maxlen)
+ len = maxlen;
+
+ if (i2c_write (addr[0], offset, alen-1, buffer, len) != 0)
+ rcode = 1;
+
+ buffer += len;
+ offset += len;
+
+#if defined(CFG_EEPROM_PAGE_WRITE_DELAY_MS)
+ udelay(CFG_EEPROM_PAGE_WRITE_DELAY_MS * 1000);
+#endif
+ }
+#if defined(CFG_EEPROM_WREN)
+ eeprom_write_enable(dev_addr, 0);
+#endif
+ return rcode;
+}
+
+
+int bootstrap_eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt)
+{
+ unsigned end = offset + cnt;
+ unsigned blk_off;
+ int rcode = 0;
+
+ /* Read data until done or would cross a page boundary.
+ * We must write the address again when changing pages
+ * because the next page may be in a different device.
+ */
+ while (offset < end) {
+ unsigned alen, len;
+ unsigned maxlen;
+ uchar addr[2];
+
+ blk_off = offset & 0xFF; /* block offset */
+
+ addr[0] = offset >> 8; /* block number */
+ addr[1] = blk_off; /* block offset */
+ alen = 2;
+
+ addr[0] |= dev_addr; /* insert device address */
+
+ len = end - offset;
+
+ maxlen = 0x100 - blk_off;
+ if (maxlen > I2C_RXTX_LEN)
+ maxlen = I2C_RXTX_LEN;
+ if (len > maxlen)
+ len = maxlen;
+
+ if (i2c_read (addr[0], offset, alen-1, buffer, len) != 0)
+ rcode = 1;
+ buffer += len;
+ offset += len;
+ }
+
+ return rcode;
+}
+
+
+#if defined(CONFIG_USB_OHCI_NEW) && defined(CFG_USB_OHCI_BOARD_INIT)
+int usb_board_init(void)
+{
+ char *act = getenv("usbact");
+ int i;
+
+ if ((act == NULL || strcmp(act, "hostdev") == 0) &&
+ !(in_be32((void*)GPIO0_IR) & GPIO0_USB_PRSNT))
+ /* enable power on USB socket */
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) & ~GPIO1_USB_PWR_N);
+
+ for (i=0; i<1000; i++)
+ udelay(1000);
+
+ return 0;
+}
+
+int usb_board_stop(void)
+{
+ /* disable power on USB socket */
+ out_be32((void*)GPIO1_OR, in_be32((void*)GPIO1_OR) | GPIO1_USB_PWR_N);
+ return 0;
+}
+
+int usb_board_init_fail(void)
+{
+ usb_board_stop();
+ return 0;
+}
+#endif /* defined(CONFIG_USB_OHCI) && defined(CFG_USB_OHCI_BOARD_INIT) */
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void ft_board_setup(void *blob, bd_t *bd)
+{
+ u32 val[4];
+ int rc;
+
+ ft_cpu_setup(blob, bd);
+
+ /* Fixup NOR mapping */
+ val[0] = 0; /* chip select number */
+ val[1] = 0; /* always 0 */
+ val[2] = gd->bd->bi_flashstart;
+ val[3] = gd->bd->bi_flashsize;
+ rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges",
+ val, sizeof(val), 1);
+ if (rc)
+ printf("Unable to update property NOR mapping, err=%s\n",
+ fdt_strerror(rc));
+}
+#endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */
diff --git a/board/esd/pmc440/pmc440.h b/board/esd/pmc440/pmc440.h
new file mode 100644
index 0000000..7e70fd1
--- /dev/null
+++ b/board/esd/pmc440/pmc440.h
@@ -0,0 +1,154 @@
+/*
+ * (C) Copyright 2007
+ * Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef __PMC440_H__
+#define __PMC440_H__
+
+
+/*-----------------------------------------------------------------------
+ * GPIOs
+ */
+#define GPIO1_INTA_FAKE (0x80000000 >> (45-32)) /* GPIO45 OD */
+#define GPIO1_NONMONARCH (0x80000000 >> (63-32)) /* GPIO63 I */
+#define GPIO1_PPC_EREADY (0x80000000 >> (62-32)) /* GPIO62 I/O */
+#define GPIO1_M66EN (0x80000000 >> (61-32)) /* GPIO61 I */
+#define GPIO1_POST_N (0x80000000 >> (60-32)) /* GPIO60 O */
+#define GPIO1_IOEN_N (0x80000000 >> (50-32)) /* GPIO50 O */
+#define GPIO1_HWID_MASK (0xf0000000 >> (56-32)) /* GPIO56..59 I */
+
+#define GPIO1_USB_PWR_N (0x80000000 >> (32-32)) /* GPIO32 I */
+#define GPIO0_LED_RUN_N (0x80000000 >> 30) /* GPIO30 O */
+#define GPIO0_EP_EEP (0x80000000 >> 23) /* GPIO23 O */
+#define GPIO0_USB_ID (0x80000000 >> 21) /* GPIO21 I */
+#define GPIO0_USB_PRSNT (0x80000000 >> 20) /* GPIO20 I */
+#define GPIO0_SELF_RST (0x80000000 >> 6) /* GPIO6 OD */
+
+/* FPGA programming pin configuration */
+#define GPIO1_FPGA_PRG (0x80000000 >> (53-32)) /* FPGA program pin (ppc output) */
+#define GPIO1_FPGA_CLK (0x80000000 >> (51-32)) /* FPGA clk pin (ppc output) */
+#define GPIO1_FPGA_DATA (0x80000000 >> (52-32)) /* FPGA data pin (ppc output) */
+#define GPIO1_FPGA_DONE (0x80000000 >> (55-32)) /* FPGA done pin (ppc input) */
+#define GPIO1_FPGA_INIT (0x80000000 >> (54-32)) /* FPGA init pin (ppc input) */
+#define GPIO0_FPGA_FORCEINIT (0x80000000 >> 27) /* low: force INIT# low */
+
+/*-----------------------------------------------------------------------
+ * FPGA interface
+ */
+#define FPGA_BA CFG_FPGA_BASE0
+#define FPGA_OUT32(p,v) out_be32(((void*)(p)), (v))
+#define FPGA_IN32(p) in_be32((void*)(p))
+#define FPGA_SETBITS(p,v) out_be32(((void*)(p)), in_be32((void*)(p)) | (v))
+#define FPGA_CLRBITS(p,v) out_be32(((void*)(p)), in_be32((void*)(p)) & ~(v))
+
+struct pmc440_fifo_s {
+ u32 data;
+ u32 ctrl;
+};
+
+/* fifo ctrl register */
+#define FIFO_IE (1 << 15)
+#define FIFO_OVERFLOW (1 << 10)
+#define FIFO_EMPTY (1 << 9)
+#define FIFO_FULL (1 << 8)
+#define FIFO_LEVEL_MASK 0x000000ff
+
+#define FIFO_COUNT 4
+
+struct pmc440_fpga_s {
+ u32 ctrla;
+ u32 status;
+ u32 ctrlb;
+ u32 pad1[0x40 / sizeof(u32) - 3];
+ u32 irig_time; /* offset: 0x0040 */
+ u32 irig_tod;
+ u32 irig_cf;
+ u32 pad2;
+ u32 irig_rx_time; /* offset: 0x0050 */
+ u32 pad3[3];
+ u32 hostctrl; /* offset: 0x0060 */
+ u32 pad4[0x20 / sizeof(u32) - 1];
+ struct pmc440_fifo_s fifo[FIFO_COUNT]; /* 0x0080..0x009f */
+};
+
+typedef struct pmc440_fpga_s pmc440_fpga_t;
+
+/* ctrl register */
+#define CTRL_HOST_IE (1 << 8)
+
+/* outputs */
+#define RESET_EN (1 << 31)
+#define CLOCK_EN (1 << 30)
+#define RESET_OUT (1 << 19)
+#define CLOCK_OUT (1 << 22)
+#define RESET_OUT (1 << 19)
+#define IRIGB_R_OUT (1 << 14)
+
+
+/* status register */
+#define STATUS_VERSION_SHIFT 24
+#define STATUS_VERSION_MASK 0xff000000
+#define STATUS_HWREV_SHIFT 20
+#define STATUS_HWREV_MASK 0x00f00000
+
+#define STATUS_CAN_ISF (1 << 11)
+#define STATUS_CSTM_ISF (1 << 10)
+#define STATUS_FIFO_ISF (1 << 9)
+#define STATUS_HOST_ISF (1 << 8)
+
+
+/* inputs */
+#define RESET_IN (1 << 0)
+#define CLOCK_IN (1 << 1)
+#define IRIGB_R_IN (1 << 5)
+
+
+/* hostctrl register */
+#define HOSTCTRL_PMCRSTOUT_GATE (1 << 17)
+#define HOSTCTRL_PMCRSTOUT_FLAG (1 << 16)
+#define HOSTCTRL_CSTM1IE_GATE (1 << 7)
+#define HOSTCTRL_CSTM1IW_FLAG (1 << 6)
+#define HOSTCTRL_CSTM0IE_GATE (1 << 5)
+#define HOSTCTRL_CSTM0IW_FLAG (1 << 4)
+#define HOSTCTRL_FIFOIE_GATE (1 << 3)
+#define HOSTCTRL_FIFOIE_FLAG (1 << 2)
+#define HOSTCTRL_HCINT_GATE (1 << 1)
+#define HOSTCTRL_HCINT_FLAG (1 << 0)
+
+#define NGCC_CTRL_BASE (CFG_FPGA_BASE0 + 0x80000)
+#define NGCC_CTRL_FPGARST_N (1 << 2)
+
+/*-----------------------------------------------------------------------
+ * FPGA to PPC interrupt
+ */
+#define IRQ0_FPGA (32+28) /* UIC1 - FPGA internal */
+#define IRQ1_FPGA (32+30) /* UIC1 - custom module */
+#define IRQ2_FPGA (64+ 3) /* UIC2 - custom module / CAN */
+#define IRQ_ETH0 (64+ 4) /* UIC2 */
+#define IRQ_ETH1 ( 27) /* UIC0 */
+#define IRQ_RTC (64+ 0) /* UIC2 */
+#define IRQ_PCIA (64+ 1) /* UIC2 */
+#define IRQ_PCIB (32+18) /* UIC1 */
+#define IRQ_PCIC (32+19) /* UIC1 */
+#define IRQ_PCID (32+20) /* UIC1 */
+
+#endif /* __PMC440_H__ */
diff --git a/board/esd/pmc440/sdram.c b/board/esd/pmc440/sdram.c
new file mode 100644
index 0000000..7f92d37
--- /dev/null
+++ b/board/esd/pmc440/sdram.c
@@ -0,0 +1,108 @@
+/*
+ * (C) Copyright 2006
+ * Sylvie Gohl, AMCC/IBM, gohl.sylvie@fr.ibm.com
+ * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com
+ * Thierry Roman, AMCC/IBM, thierry_roman@fr.ibm.com
+ * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.com
+ * Robert Snyder, AMCC/IBM, rob.snyder@fr.ibm.com
+ *
+ * (C) Copyright 2006-2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * 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
+ */
+
+/* define DEBUG for debug output */
+#undef DEBUG
+
+#include <common.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <ppc440.h>
+
+extern int denali_wait_for_dlllock(void);
+extern void denali_core_search_data_eye(void);
+
+
+#if defined(CONFIG_NAND_SPL)
+/* Using cpu/ppc4xx/speed.c to calculate the bus frequency is too big
+ * for the 4k NAND boot image so define bus_frequency to 133MHz here
+ * which is save for the refresh counter setup.
+ */
+#define get_bus_freq(val) 133000000
+#endif
+
+/*************************************************************************
+ *
+ * initdram -- 440EPx's DDR controller is a DENALI Core
+ *
+ ************************************************************************/
+long int initdram (int board_type)
+{
+#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL)
+#if !defined(CONFIG_NAND_SPL)
+ ulong speed = get_bus_freq(0);
+#else
+ ulong speed = 133333333; /* 133MHz is on the safe side */
+#endif
+
+ mtsdram(DDR0_02, 0x00000000);
+
+ mtsdram(DDR0_00, 0x0000190A);
+ mtsdram(DDR0_01, 0x01000000);
+ mtsdram(DDR0_03, 0x02030602);
+ mtsdram(DDR0_04, 0x0A020200);
+ mtsdram(DDR0_05, 0x02020308);
+ mtsdram(DDR0_06, 0x0102C812);
+ mtsdram(DDR0_07, 0x000D0100);
+ mtsdram(DDR0_08, 0x02430001);
+ mtsdram(DDR0_09, 0x00011D5F);
+ mtsdram(DDR0_10, 0x00000300);
+ mtsdram(DDR0_11, 0x0027C800);
+ mtsdram(DDR0_12, 0x00000003);
+ mtsdram(DDR0_14, 0x00000000);
+ mtsdram(DDR0_17, 0x19000000);
+ mtsdram(DDR0_18, 0x19191919);
+ mtsdram(DDR0_19, 0x19191919);
+ mtsdram(DDR0_20, 0x0B0B0B0B);
+ mtsdram(DDR0_21, 0x0B0B0B0B);
+ mtsdram(DDR0_22, 0x00267F0B);
+ mtsdram(DDR0_23, 0x00000000);
+ mtsdram(DDR0_24, 0x01010002);
+ if (speed > 133333334)
+ mtsdram(DDR0_26, 0x5B26050C);
+ else
+ mtsdram(DDR0_26, 0x5B260408);
+ mtsdram(DDR0_27, 0x0000682B);
+ mtsdram(DDR0_28, 0x00000000);
+ mtsdram(DDR0_31, 0x00000000);
+ mtsdram(DDR0_42, 0x01000006);
+ mtsdram(DDR0_43, 0x030A0200);
+ mtsdram(DDR0_44, 0x00000003);
+ mtsdram(DDR0_02, 0x00000001);
+
+ denali_wait_for_dlllock();
+#endif /* #ifndef CONFIG_NAND_U_BOOT */
+
+#ifdef CONFIG_DDR_DATA_EYE
+ /* -----------------------------------------------------------+
+ * Perform data eye search if requested.
+ * ----------------------------------------------------------*/
+ denali_core_search_data_eye();
+#endif
+
+ return (CFG_MBYTES_SDRAM << 20);
+}
diff --git a/board/esd/pmc440/u-boot-nand.lds b/board/esd/pmc440/u-boot-nand.lds
new file mode 100644
index 0000000..cf2e2b5
--- /dev/null
+++ b/board/esd/pmc440/u-boot-nand.lds
@@ -0,0 +1,137 @@
+/*
+ * (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
+ */
+
+OUTPUT_ARCH(powerpc)
+SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib);
+SECTIONS
+{
+ /* 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)
+
+ /* Align to next NAND block */
+ . = ALIGN(0x4000);
+ common/environment.o (.ppcenv)
+ /* Keep some space here for redundant env and potential bad env blocks */
+ . = ALIGN(0x10000);
+
+ *(.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)
+ }
+
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/board/esd/pmc440/u-boot.lds b/board/esd/pmc440/u-boot.lds
new file mode 100644
index 0000000..a423f98
--- /dev/null
+++ b/board/esd/pmc440/u-boot.lds
@@ -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 = .);
+}
generated by cgit v1.1 at 2024-11-16 18:56:44 +0000