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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/genietv
parentca2b506783b676c95762c54ea24dcfdaae1947c9 (diff)
downloadbootable_bootloader_goldelico_gta04-92988a21ad4c4c9504295ccb580c9f806134471b.zip
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added boot script files to repository
Diffstat (limited to 'u-boot/board/genietv')
-rw-r--r--u-boot/board/genietv/Makefile44
-rw-r--r--u-boot/board/genietv/flash.c469
-rw-r--r--u-boot/board/genietv/genietv.c360
-rw-r--r--u-boot/board/genietv/genietv.h25
-rw-r--r--u-boot/board/genietv/u-boot.lds114
-rw-r--r--u-boot/board/genietv/u-boot.lds.debug141
6 files changed, 1153 insertions, 0 deletions
diff --git a/u-boot/board/genietv/Makefile b/u-boot/board/genietv/Makefile
new file mode 100644
index 0000000..6dc495c
--- /dev/null
+++ b/u-boot/board/genietv/Makefile
@@ -0,0 +1,44 @@
+#
+# (C) Copyright 2000-2006
+# 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).o
+
+COBJS = $(BOARD).o flash.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(COBJS))
+SOBJS := $(addprefix $(obj),$(SOBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(call cmd_link_o_target, $(OBJS))
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/u-boot/board/genietv/flash.c b/u-boot/board/genietv/flash.c
new file mode 100644
index 0000000..5313ad8
--- /dev/null
+++ b/u-boot/board/genietv/flash.c
@@ -0,0 +1,469 @@
+/*
+ * (C) Copyright 2000
+ * 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 <common.h>
+#include <mpc8xx.h>
+
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+static void flash_get_offsets (ulong base, flash_info_t *info);
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ unsigned long size_b0, size_b1;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i=0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i)
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+
+ /* Detect size */
+ size_b0 = flash_get_size((vu_long *)CONFIG_SYS_FLASH_BASE, &flash_info[0]);
+
+ /* Setup offsets */
+ flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[0]);
+
+#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
+ /* Monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CONFIG_SYS_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_BASE+monitor_flash_len-1,
+ &flash_info[0]);
+#endif
+
+ size_b1 = 0 ;
+
+ flash_info[1].flash_id = FLASH_UNKNOWN;
+ flash_info[1].sector_count = -1;
+
+ flash_info[0].size = size_b0;
+ flash_info[1].size = size_b1;
+
+ return (size_b0 + size_b1);
+}
+
+/*-----------------------------------------------------------------------
+ * Fix this to support variable sector sizes
+*/
+static void flash_get_offsets (ulong base, flash_info_t *info)
+{
+ int i;
+
+ /* set up sector start address table */
+ if ((info->flash_id & FLASH_TYPEMASK) == FLASH_AM040) {
+ /* set sector offsets for bottom boot block type */
+ for (i = 0; i < info->sector_count; i++)
+ info->start[i] = base + (i * 0x00010000);
+ }
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t *info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN)
+ {
+ puts ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK)
+ {
+ case FLASH_MAN_AMD: printf ("AMD "); break;
+ case FLASH_MAN_FUJ: printf ("FUJITSU "); break;
+ case FLASH_MAN_BM: printf ("BRIGHT MICRO "); break;
+ default: printf ("Unknown Vendor "); break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK)
+ {
+ case FLASH_AM040: printf ("29F040 or 29LV040 (4 Mbit, uniform sectors)\n");
+ break;
+ case FLASH_AM400B: printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM400T: printf ("AM29LV400T (4 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM800B: printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM800T: printf ("AM29LV800T (8 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM160B: printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM160T: printf ("AM29LV160T (16 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM320B: printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM320T: printf ("AM29LV320T (32 Mbit, top boot sector)\n");
+ break;
+ default: printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ if (info->size >> 20) {
+ printf (" Size: %ld MB in %d Sectors\n",
+ info->size >> 20,
+ info->sector_count);
+ } else {
+ printf (" Size: %ld KB in %d Sectors\n",
+ info->size >> 10,
+ info->sector_count);
+ }
+
+ puts (" Sector Start Addresses:");
+
+ for (i=0; i<info->sector_count; ++i)
+ {
+ if ((i % 5) == 0)
+ {
+ puts ("\n ");
+ }
+
+ printf (" %08lX%s",
+ info->start[i],
+ info->protect[i] ? " (RO)" : " ");
+ }
+
+ putc ('\n');
+ return;
+}
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+static ulong flash_get_size (vu_long *addr, flash_info_t *info)
+{
+ short i;
+ volatile unsigned char *caddr;
+ char value;
+
+ caddr = (volatile unsigned char *)addr ;
+
+ /* Write auto select command: read Manufacturer ID */
+
+#if 0
+ printf("Base address is: %08x\n", caddr);
+#endif
+
+ caddr[0x0555] = 0xAA;
+ caddr[0x02AA] = 0x55;
+ caddr[0x0555] = 0x90;
+
+ value = caddr[0];
+
+#if 0
+ printf("Manufact ID: %02x\n", value);
+#endif
+ switch (value)
+ {
+ case 0x1: /* AMD_MANUFACT */
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+
+ case 0x4: /* FUJ_MANUFACT */
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ break;
+ }
+
+ value = caddr[1]; /* device ID */
+#if 0
+ printf("Device ID: %02x\n", value);
+#endif
+ switch (value)
+ {
+ case AMD_ID_LV040B:
+ info->flash_id += FLASH_AM040;
+ info->sector_count = 8;
+ info->size = 0x00080000;
+ break; /* => 512Kb */
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+
+ }
+
+ flash_get_offsets ((ulong)addr, &flash_info[0]);
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++)
+ {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ caddr = (volatile unsigned char *)(info->start[i]);
+ info->protect[i] = caddr[2] & 1;
+ }
+
+ /*
+ * Prevent writes to uninitialized FLASH.
+ */
+ if (info->flash_id != FLASH_UNKNOWN)
+ {
+ caddr = (volatile unsigned char *)info->start[0];
+ *caddr = 0xF0; /* reset bank */
+ }
+
+ return (info->size);
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ volatile unsigned char *addr = (volatile unsigned char *)(info->start[0]);
+ int flag, prot, sect, l_sect;
+ ulong start, now, last;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return 1;
+ }
+
+ if ((info->flash_id == FLASH_UNKNOWN) ||
+ (info->flash_id > FLASH_AMD_COMP)) {
+ printf ("Can't erase unknown flash type - aborted\n");
+ return 1;
+ }
+
+ prot = 0;
+ for (sect=s_first; sect<=s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf ("\n");
+ }
+
+ l_sect = -1;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr[0x0555] = 0xAA;
+ addr[0x02AA] = 0x55;
+ addr[0x0555] = 0x80;
+ addr[0x0555] = 0xAA;
+ addr[0x02AA] = 0x55;
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (volatile unsigned char *)(info->start[sect]);
+ addr[0] = 0x30;
+ l_sect = sect;
+ }
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+
+ /*
+ * We wait for the last triggered sector
+ */
+ if (l_sect < 0)
+ goto DONE;
+
+ start = get_timer (0);
+ last = start;
+ addr = (volatile unsigned char *)(info->start[l_sect]);
+
+ while ((addr[0] & 0xFF) != 0xFF)
+ {
+ if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ return 1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc ('.');
+ last = now;
+ }
+ }
+
+DONE:
+ /* reset to read mode */
+ addr = (volatile unsigned char *)info->start[0];
+
+ addr[0] = 0xF0; /* reset bank */
+
+ printf (" done\n");
+ return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+
+int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ ulong cp, wp, data;
+ int i, l, rc;
+
+ wp = (addr & ~3); /* get lower word aligned address */
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i=0, cp=wp; i<l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+ for (; i<4 && cnt>0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt==0 && i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 4) {
+ data = 0;
+ for (i=0; i<4; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ cnt -= 4;
+ }
+
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i=0, cp=wp; i<4 && cnt>0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i<4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *)cp);
+ }
+
+ return (write_word(info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word (flash_info_t *info, ulong dest, ulong data)
+{
+ volatile unsigned char *addr = (volatile unsigned char*)(info->start[0]),
+ *cdest,*cdata;
+ ulong start;
+ int flag, count = 4 ;
+
+ cdest = (volatile unsigned char *)dest ;
+ cdata = (volatile unsigned char *)&data ;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*((vu_long *)dest) & data) != data) {
+ return (2);
+ }
+
+ while(count--)
+ {
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ addr[0x0555] = 0xAA;
+ addr[0x02AA] = 0x55;
+ addr[0x0555] = 0xA0;
+
+ *cdest = *cdata;
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((*cdest ^ *cdata) & 0x80)
+ {
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+
+ cdata++ ;
+ cdest++ ;
+ }
+ return (0);
+}
+
+/*-----------------------------------------------------------------------
+ */
diff --git a/u-boot/board/genietv/genietv.c b/u-boot/board/genietv/genietv.c
new file mode 100644
index 0000000..0a015ea
--- /dev/null
+++ b/u-boot/board/genietv/genietv.c
@@ -0,0 +1,360 @@
+/*
+ * genietv/genietv.c
+ *
+ * The GENIETV is using the following physical memorymap (copied from
+ * the FADS configuration):
+ *
+ * ff020000 -> ff02ffff : pcmcia
+ * ff010000 -> ff01ffff : BCSR connected to CS1, setup by 8xxROM
+ * ff000000 -> ff00ffff : IMAP internal in the cpu
+ * 02800000 -> 0287ffff : flash connected to CS0
+ * 00000000 -> nnnnnnnn : sdram setup by U-Boot
+ *
+ * CS pins are connected as follows:
+ *
+ * CS0 -512Kb boot flash
+ * CS1 - SDRAM #1
+ * CS2 - SDRAM #2
+ * CS3 - Flash #1
+ * CS4 - Flash #2
+ * CS5 - LON (if present)
+ * CS6 - PCMCIA #1
+ * CS7 - PCMCIA #2
+ *
+ * Ports are configured as follows:
+ *
+ * PA7 - SDRAM banks enable
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+#define CONFIG_SYS_PA7 0x0100
+
+/* ------------------------------------------------------------------------- */
+
+static long int dram_size (long int, long int *, long int);
+
+/* ------------------------------------------------------------------------- */
+
+#define _NOT_USED_ 0xFFFFFFFF
+
+const uint sdram_table[] = {
+ /*
+ * Single Read. (Offset 0 in UPMB RAM)
+ */
+ 0x1F0DFC04, 0xEEAFBC04, 0x11AF7C04, 0xEFBEEC00,
+ 0x1FFDDC47, /* last */
+ /*
+ * SDRAM Initialization (offset 5 in UPMB RAM)
+ *
+ * This is no UPM entry point. The following definition uses
+ * the remaining space to establish an initialization
+ * sequence, which is executed by a RUN command.
+ *
+ */
+ 0x1FFDDC34, 0xEFEEAC34, 0x1FBD5C35, /* last */
+ /*
+ * Burst Read. (Offset 8 in UPMB RAM)
+ */
+ 0x1F0DFC04, 0xEEAFBC04, 0x10AF7C04, 0xF0AFFC00,
+ 0xF0AFFC00, 0xF1AFFC00, 0xEFBEEC00, 0x1FFDDC47, /* last */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ /*
+ * Single Write. (Offset 18 in UPMB RAM)
+ */
+ 0x1F2DFC04, 0xEEAFAC00, 0x01BE4C04, 0x1FFDDC47, /* last */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ /*
+ * Burst Write. (Offset 20 in UPMB RAM)
+ */
+ 0x1F0DFC04, 0xEEAFAC00, 0x10AF5C00, 0xF0AFFC00,
+ 0xF0AFFC00, 0xE1BEEC04, 0x1FFDDC47, /* last */
+ _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ /*
+ * Refresh (Offset 30 in UPMB RAM)
+ */
+ 0x1FFD7C84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
+ 0xFFFFFC84, 0xFFFFFC07, /* last */
+ _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ /*
+ * Exception. (Offset 3c in UPMB RAM)
+ */
+ 0x7FFFFC07, /* last */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
+};
+
+/* ------------------------------------------------------------------------- */
+
+
+/*
+ * Check Board Identity
+ */
+
+int checkboard (void)
+{
+ puts ("Board: GenieTV\n");
+ return 0;
+}
+
+#if 0
+static void PrintState (void)
+{
+ volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &im->im_memctl;
+
+ printf ("\n0 - FLASH: B=%08x O=%08x", memctl->memc_br0,
+ memctl->memc_or0);
+ printf ("\n1 - SDRAM: B=%08x O=%08x", memctl->memc_br1,
+ memctl->memc_or1);
+ printf ("\n2 - SDRAM: B=%08x O=%08x", memctl->memc_br2,
+ memctl->memc_or2);
+}
+#endif
+
+/* ------------------------------------------------------------------------- */
+
+phys_size_t initdram (int board_type)
+{
+ volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &im->im_memctl;
+ long int size_b0, size_b1, size8;
+
+ /* Enable SDRAM */
+
+ /* Configuring PA7 for general purpouse output pin */
+ im->im_ioport.iop_papar &= ~CONFIG_SYS_PA7; /* 0 = general purpouse */
+ im->im_ioport.iop_padir |= CONFIG_SYS_PA7; /* 1 = output */
+
+ /* Enable SDRAM - PA7 = 1 */
+ im->im_ioport.iop_padat |= CONFIG_SYS_PA7; /* value of PA7 */
+
+ /*
+ * Preliminary prescaler for refresh (depends on number of
+ * banks): This value is selected for four cycles every 62.4 us
+ * with two SDRAM banks or four cycles every 31.2 us with one
+ * bank. It will be adjusted after memory sizing.
+ */
+ memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_4K;
+
+ memctl->memc_mbmr = CONFIG_SYS_MBMR_8COL;
+
+ upmconfig (UPMB, (uint *) sdram_table,
+ sizeof (sdram_table) / sizeof (uint));
+
+ /*
+ * Map controller banks 1 and 2 to the SDRAM banks 1 and 2 at
+ * preliminary addresses - these have to be modified after the
+ * SDRAM size has been determined.
+ */
+
+ memctl->memc_or1 = 0xF0000000 | CONFIG_SYS_OR_TIMING_SDRAM;
+ memctl->memc_br1 =
+ ((SDRAM_BASE1_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V);
+
+ memctl->memc_or2 = 0xF0000000 | CONFIG_SYS_OR_TIMING_SDRAM;
+ memctl->memc_br2 =
+ ((SDRAM_BASE2_PRELIM & BR_BA_MSK) | BR_MS_UPMB | BR_V);
+
+ /* perform SDRAM initialization sequence */
+ memctl->memc_mar = 0x00000088;
+
+ memctl->memc_mcr = 0x80802105; /* SDRAM bank 0 */
+
+ memctl->memc_mcr = 0x80804105; /* SDRAM bank 1 */
+
+ /* Execute refresh 8 times */
+ memctl->memc_mbmr = (CONFIG_SYS_MBMR_8COL & ~MBMR_TLFB_MSK) | MBMR_TLFB_8X;
+
+ memctl->memc_mcr = 0x80802130; /* SDRAM bank 0 - execute twice */
+
+ memctl->memc_mcr = 0x80804130; /* SDRAM bank 1 - execute twice */
+
+ /* Execute refresh 4 times */
+ memctl->memc_mbmr = CONFIG_SYS_MBMR_8COL;
+
+ /*
+ * Check Bank 0 Memory Size for re-configuration
+ *
+ * try 8 column mode
+ */
+
+#if 0
+ PrintState ();
+#endif
+/* printf ("\nChecking bank1..."); */
+ size8 = dram_size (CONFIG_SYS_MBMR_8COL, (long *) SDRAM_BASE1_PRELIM,
+ SDRAM_MAX_SIZE);
+
+ size_b0 = size8;
+
+/* printf ("\nChecking bank2..."); */
+ size_b1 =
+ dram_size (memctl->memc_mbmr, (long *) SDRAM_BASE2_PRELIM,
+ SDRAM_MAX_SIZE);
+
+ /*
+ * Final mapping: map bigger bank first
+ */
+
+ memctl->memc_or1 = ((-size_b0) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
+ memctl->memc_br1 = (CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V;
+
+ if (size_b1 > 0) {
+ /*
+ * Position Bank 1 immediately above Bank 0
+ */
+ memctl->memc_or2 =
+ ((-size_b1) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
+ memctl->memc_br2 =
+ ((CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMB | BR_V) +
+ (size_b0 & BR_BA_MSK);
+ } else {
+ /*
+ * No bank 1
+ *
+ * invalidate bank
+ */
+ memctl->memc_br2 = 0;
+ /* adjust refresh rate depending on SDRAM type, one bank */
+ memctl->memc_mptpr = CONFIG_SYS_MPTPR_1BK_4K;
+ }
+
+ /* If no memory detected, disable SDRAM */
+ if ((size_b0 + size_b1) == 0) {
+ printf ("disabling SDRAM!\n");
+ /* Disable SDRAM - PA7 = 1 */
+ im->im_ioport.iop_padat &= ~CONFIG_SYS_PA7; /* value of PA7 */
+ }
+/* else */
+/* printf("done! (%08lx)\n", size_b0 + size_b1); */
+
+#if 0
+ PrintState ();
+#endif
+ return (size_b0 + size_b1);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * Check memory range for valid RAM. A simple memory test determines
+ * the actually available RAM size between addresses `base' and
+ * `base + maxsize'. Some (not all) hardware errors are detected:
+ * - short between address lines
+ * - short between data lines
+ */
+
+static long int dram_size (long int mbmr_value, long int *base,
+ long int maxsize)
+{
+ long size;
+
+ /*memctl->memc_mbmr = mbmr_value; */
+
+ size = get_ram_size (base, maxsize);
+
+ if (size) {
+/* printf("(%08lx)", size); */
+ } else {
+ printf ("(0)");
+ }
+
+ return (size);
+}
+
+#if defined(CONFIG_CMD_PCMCIA)
+
+#ifdef CONFIG_SYS_PCMCIA_MEM_ADDR
+volatile unsigned char *pcmcia_mem = (unsigned char *) CONFIG_SYS_PCMCIA_MEM_ADDR;
+#endif
+
+int pcmcia_init (void)
+{
+ volatile pcmconf8xx_t *pcmp;
+ uint v, slota, slotb;
+
+ /*
+ ** Enable the PCMCIA for a Flash card.
+ */
+ pcmp = (pcmconf8xx_t *) (&(((immap_t *) CONFIG_SYS_IMMR)->im_pcmcia));
+
+#if 0
+ pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_MEM_ADDR;
+ pcmp->pcmc_por0 = 0xc00ff05d;
+#endif
+
+ /* Set all slots to zero by default. */
+ pcmp->pcmc_pgcra = 0;
+ pcmp->pcmc_pgcrb = 0;
+#ifdef PCMCIA_SLOT_A
+ pcmp->pcmc_pgcra = 0x40;
+#endif
+#ifdef PCMCIA_SLOT_B
+ pcmp->pcmc_pgcrb = 0x40;
+#endif
+
+ /* Check if any PCMCIA card is luged in. */
+ slota = (pcmp->pcmc_pipr & 0x18000000) == 0;
+ slotb = (pcmp->pcmc_pipr & 0x00001800) == 0;
+
+ if (!(slota || slotb)) {
+ printf ("No card present\n");
+#ifdef PCMCIA_SLOT_A
+ pcmp->pcmc_pgcra = 0;
+#endif
+#ifdef PCMCIA_SLOT_B
+ pcmp->pcmc_pgcrb = 0;
+#endif
+ return -1;
+ } else
+ printf ("Unknown card (");
+
+ v = 0;
+
+ switch ((pcmp->pcmc_pipr >> 14) & 3) {
+ case 0x00:
+ printf ("5V");
+ v = 5;
+ break;
+ case 0x01:
+ printf ("5V and 3V");
+ v = 3;
+ break;
+ case 0x03:
+ printf ("5V, 3V and x.xV");
+ v = 3;
+ break;
+ }
+
+ switch (v) {
+ case 3:
+ printf ("; using 3V");
+ /* Enable 3 volt Vcc. */
+
+ break;
+
+ default:
+ printf ("; unknown voltage");
+ return -1;
+ }
+ printf (")\n");
+ /* disable pcmcia reset after a while */
+
+ udelay (20);
+
+ pcmp->pcmc_pgcrb = 0;
+
+ /* If you using a real hd you should give a short
+ * spin-up time. */
+#ifdef CONFIG_DISK_SPINUP_TIME
+ udelay (CONFIG_DISK_SPINUP_TIME);
+#endif
+
+ return 0;
+}
+#endif
diff --git a/u-boot/board/genietv/genietv.h b/u-boot/board/genietv/genietv.h
new file mode 100644
index 0000000..7c95b56
--- /dev/null
+++ b/u-boot/board/genietv/genietv.h
@@ -0,0 +1,25 @@
+/*
+ * The GENIETV is using the following physical memorymap (copied from
+ * the FADS configuration):
+ *
+ * ff020000 -> ff02ffff : pcmcia
+ * ff010000 -> ff01ffff : BCSR connected to CS1, setup by 8xxROM
+ * ff000000 -> ff00ffff : IMAP internal in the cpu
+ * 02800000 -> 0287ffff : flash connected to CS0
+ * 00000000 -> nnnnnnnn : sdram setup by U-Boot
+ *
+ * CS pins are connected as follows:
+ *
+ * CS0 -512Kb boot flash
+ * CS1 - SDRAM #1
+ * CS2 - SDRAM #2
+ * CS3 - Flash #1
+ * CS4 - Flash #2
+ * CS5 - LON (if present)
+ * CS6 - PCMCIA #1
+ * CS7 - PCMCIA #2
+ *
+ * Ports are configured as follows:
+ *
+ * PA7 - SDRAM banks enable
+ */
diff --git a/u-boot/board/genietv/u-boot.lds b/u-boot/board/genietv/u-boot.lds
new file mode 100644
index 0000000..6b45ea0
--- /dev/null
+++ b/u-boot/board/genietv/u-boot.lds
@@ -0,0 +1,114 @@
+/*
+ * (C) Copyright 2000-2010
+ * 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)
+
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ . = + SIZEOF_HEADERS;
+ .text :
+ {
+ /* WARNING - the following is hand-optimized to fit within */
+ /* the sector layout of our flash chips! XXX FIXME XXX */
+
+ arch/powerpc/cpu/mpc8xx/start.o (.text*)
+ arch/powerpc/cpu/mpc8xx/traps.o (.text*)
+ lib/libgeneric.o (.text*)
+ net/libnet.o (.text*)
+ arch/powerpc/cpu/mpc8xx/libmpc8xx.o (.text*)
+ board/genietv/libgenietv.o (.text*)
+ arch/powerpc/lib/libpowerpc.o (.text*)
+ *(.text.do_load_serial*)
+ *(.text.do_mem_*)
+ *(.text.do_bootm*)
+
+ . = env_offset;
+ common/env_embedded.o (.text*)
+
+ *(.text*)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
+ }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _erotext = .;
+ PROVIDE (erotext = .);
+ .reloc :
+ {
+ KEEP(*(.got))
+ _GOT2_TABLE_ = .;
+ KEEP(*(.got2))
+ _FIXUP_TABLE_ = .;
+ KEEP(*(.fixup))
+ }
+ __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
+ __fixup_entries = (. - _FIXUP_TABLE_)>>2;
+
+ .data :
+ {
+ *(.data*)
+ *(.sdata*)
+ }
+ _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(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss (NOLOAD) :
+ {
+ *(.bss*)
+ *(.sbss*)
+ *(COMMON)
+ }
+ . = ALIGN(256 * 1024);
+ .ppcenv :
+ {
+ common/env_embedded.o (.ppcenv)
+ }
+ . = ALIGN(4);
+ _end = . ;
+ PROVIDE (end = .);
+}
diff --git a/u-boot/board/genietv/u-boot.lds.debug b/u-boot/board/genietv/u-boot.lds.debug
new file mode 100644
index 0000000..60936aa
--- /dev/null
+++ b/u-boot/board/genietv/u-boot.lds.debug
@@ -0,0 +1,141 @@
+/*
+ * (C) Copyright 2000
+ * 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)
+/* Do we need any of these for elf?
+ __DYNAMIC = 0; */
+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 */
+
+ arch/powerpc/cpu/mpc8xx/start.o (.text)
+ common/dlmalloc.o (.text)
+ arch/powerpc/lib/ppcstring.o (.text)
+ lib/vsprintf.o (.text)
+ lib/crc32.o (.text)
+ lib/zlib.o (.text)
+
+ . = env_offset;
+ common/env_embedded.o(.text)
+ *(.text)
+ *(.got1)
+ }
+ _etext = .;
+ PROVIDE (etext = .);
+ .rodata :
+ {
+ *(.rodata)
+ *(.rodata1)
+ *(.rodata.str1.4)
+ *(.eh_frame)
+ }
+ .fini : { *(.fini) } =0
+ .ctors : { *(.ctors) }
+ .dtors : { *(.dtors) }
+
+ /* Read-write section, merged into data segment: */
+ . = (. + 0x0FFF) & 0xFFFFF000;
+ _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(4096);
+ __init_begin = .;
+ .text.init : { *(.text.init) }
+ .data.init : { *(.data.init) }
+ . = ALIGN(4096);
+ __init_end = .;
+
+ __bss_start = .;
+ .bss :
+ {
+ *(.sbss) *(.scommon)
+ *(.dynbss)
+ *(.bss)
+ *(COMMON)
+ }
+ . = ALIGN(256 * 1024);
+ .ppcenv :
+ {
+ common/env_embedded.o (.ppcenv)
+ }
+ _end = . ;
+ PROVIDE (end = .);
+}