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authorH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
committerH. Nikolaus Schaller <hns@goldelico.com>2012-03-26 20:55:28 +0200
commit92988a21ad4c4c9504295ccb580c9f806134471b (patch)
tree5effc9f14170112450de05c67dafbe8d5034d595 /u-boot/board/etin/debris/debris.c
parentca2b506783b676c95762c54ea24dcfdaae1947c9 (diff)
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added boot script files to repository
Diffstat (limited to 'u-boot/board/etin/debris/debris.c')
-rw-r--r--u-boot/board/etin/debris/debris.c190
1 files changed, 190 insertions, 0 deletions
diff --git a/u-boot/board/etin/debris/debris.c b/u-boot/board/etin/debris/debris.c
new file mode 100644
index 0000000..33efe16
--- /dev/null
+++ b/u-boot/board/etin/debris/debris.c
@@ -0,0 +1,190 @@
+/*
+ * (C) Copyright 2000
+ * Sangmoon Kim, Etin Systems. dogoil@etinsys.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 <mpc824x.h>
+#include <net.h>
+#include <pci.h>
+#include <i2c.h>
+#include <netdev.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int checkboard (void)
+{
+ /*TODO: Check processor type */
+
+ puts ( "Board: Debris "
+#ifdef CONFIG_MPC8240
+ "8240"
+#endif
+#ifdef CONFIG_MPC8245
+ "8245"
+#endif
+ " ##Test not implemented yet##\n");
+ return 0;
+}
+
+#if 0 /* NOT USED */
+int checkflash (void)
+{
+ /* TODO: XXX XXX XXX */
+ printf ("## Test not implemented yet ##\n");
+
+ return (0);
+}
+#endif
+
+phys_size_t initdram (int board_type)
+{
+ int m, row, col, bank, i;
+ unsigned long start, end;
+ uint32_t mccr1;
+ uint32_t mear1 = 0, emear1 = 0, msar1 = 0, emsar1 = 0;
+ uint32_t mear2 = 0, emear2 = 0, msar2 = 0, emsar2 = 0;
+ uint8_t mber = 0;
+
+ i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+
+ if (i2c_reg_read (0x50, 2) != 0x04) return 0; /* Memory type */
+ m = i2c_reg_read (0x50, 5); /* # of physical banks */
+ row = i2c_reg_read (0x50, 3); /* # of rows */
+ col = i2c_reg_read (0x50, 4); /* # of columns */
+ bank = i2c_reg_read (0x50, 17); /* # of logical banks */
+
+ CONFIG_READ_WORD(MCCR1, mccr1);
+ mccr1 &= 0xffff0000;
+
+ start = CONFIG_SYS_SDRAM_BASE;
+ end = start + (1 << (col + row + 3) ) * bank - 1;
+
+ for (i = 0; i < m; i++) {
+ mccr1 |= ((row == 13)? 2 : (bank == 4)? 0 : 3) << i * 2;
+ if (i < 4) {
+ msar1 |= ((start >> 20) & 0xff) << i * 8;
+ emsar1 |= ((start >> 28) & 0xff) << i * 8;
+ mear1 |= ((end >> 20) & 0xff) << i * 8;
+ emear1 |= ((end >> 28) & 0xff) << i * 8;
+ } else {
+ msar2 |= ((start >> 20) & 0xff) << (i-4) * 8;
+ emsar2 |= ((start >> 28) & 0xff) << (i-4) * 8;
+ mear2 |= ((end >> 20) & 0xff) << (i-4) * 8;
+ emear2 |= ((end >> 28) & 0xff) << (i-4) * 8;
+ }
+ mber |= 1 << i;
+ start += (1 << (col + row + 3) ) * bank;
+ end += (1 << (col + row + 3) ) * bank;
+ }
+ for (; i < 8; i++) {
+ if (i < 4) {
+ msar1 |= 0xff << i * 8;
+ emsar1 |= 0x30 << i * 8;
+ mear1 |= 0xff << i * 8;
+ emear1 |= 0x30 << i * 8;
+ } else {
+ msar2 |= 0xff << (i-4) * 8;
+ emsar2 |= 0x30 << (i-4) * 8;
+ mear2 |= 0xff << (i-4) * 8;
+ emear2 |= 0x30 << (i-4) * 8;
+ }
+ }
+
+ CONFIG_WRITE_WORD(MCCR1, mccr1);
+ CONFIG_WRITE_WORD(MSAR1, msar1);
+ CONFIG_WRITE_WORD(EMSAR1, emsar1);
+ CONFIG_WRITE_WORD(MEAR1, mear1);
+ CONFIG_WRITE_WORD(EMEAR1, emear1);
+ CONFIG_WRITE_WORD(MSAR2, msar2);
+ CONFIG_WRITE_WORD(EMSAR2, emsar2);
+ CONFIG_WRITE_WORD(MEAR2, mear2);
+ CONFIG_WRITE_WORD(EMEAR2, emear2);
+ CONFIG_WRITE_BYTE(MBER, mber);
+
+ return (1 << (col + row + 3) ) * bank * m;
+}
+
+/*
+ * Initialize PCI Devices, report devices found.
+ */
+#ifndef CONFIG_PCI_PNP
+static struct pci_config_table pci_debris_config_table[] = {
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x0f, PCI_ANY_ID,
+ pci_cfgfunc_config_device, { PCI_ENET0_IOADDR,
+ PCI_ENET0_MEMADDR,
+ PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
+ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, 0x10, PCI_ANY_ID,
+ pci_cfgfunc_config_device, { PCI_ENET1_IOADDR,
+ PCI_ENET1_MEMADDR,
+ PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER }},
+ { }
+};
+#endif
+
+struct pci_controller hose = {
+#ifndef CONFIG_PCI_PNP
+ config_table: pci_debris_config_table,
+#endif
+};
+
+void pci_init_board(void)
+{
+ pci_mpc824x_init(&hose);
+}
+
+void *nvram_read(void *dest, const long src, size_t count)
+{
+ volatile uchar *d = (volatile uchar*) dest;
+ volatile uchar *s = (volatile uchar*) src;
+ while(count--) {
+ *d++ = *s++;
+ asm volatile("sync");
+ }
+ return dest;
+}
+
+void nvram_write(long dest, const void *src, size_t count)
+{
+ volatile uchar *d = (volatile uchar*)dest;
+ volatile uchar *s = (volatile uchar*)src;
+ while(count--) {
+ *d++ = *s++;
+ asm volatile("sync");
+ }
+}
+
+int misc_init_r(void)
+{
+ uchar ethaddr[6];
+
+ if (eth_getenv_enetaddr("ethaddr", ethaddr))
+ /* Write ethernet addr in NVRAM for VxWorks */
+ nvram_write(CONFIG_ENV_ADDR + CONFIG_SYS_NVRAM_VXWORKS_OFFS,
+ ethaddr, 6);
+
+ return 0;
+}
+
+int board_eth_init(bd_t *bis)
+{
+ return pci_eth_init(bis);
+}