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+/*
+ * (C) Copyright 2005 Freescale Semiconductor, Inc.
+ *
+ * Roy Zang <tie-fei.zang@freescale.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
+ *
+ * modifications for the Tsi108 Emul Board by avb@Tundra
+ */
+
+/*
+ * board support/init functions for the
+ * Freescale MPC7448 HPC2 (High-Performance Computing 2 Platform).
+ */
+
+#include <common.h>
+#include <74xx_7xx.h>
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+extern void ft_cpu_setup(void *blob, bd_t *bd);
+#endif
+
+#undef DEBUG
+
+extern void flush_data_cache(void);
+extern void invalidate_l1_instruction_cache(void);
+extern void tsi108_init_f(void);
+
+int display_mem_map(void);
+
+void after_reloc(ulong dest_addr)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ /*
+ * Jump to the main U-Boot board init code
+ */
+ board_init_r((gd_t *) gd, dest_addr);
+ /* NOTREACHED */
+}
+
+/*
+ * Check Board Identity:
+ *
+ * report board type
+ */
+
+int checkboard(void)
+{
+ int l_type = 0;
+
+ printf("BOARD: %s\n", CFG_BOARD_NAME);
+ return (l_type);
+}
+
+/*
+ * Read Processor ID:
+ *
+ * report calling processor number
+ */
+
+int read_pid(void)
+{
+ return 0; /* we are on single CPU platform for a while */
+}
+
+long int dram_size(int board_type)
+{
+ return 0x20000000; /* 256M bytes */
+}
+
+long int initdram(int board_type)
+{
+ return dram_size(board_type);
+}
+
+/* DRAM check routines copied from gw8260 */
+
+#if defined (CFG_DRAM_TEST)
+
+/*********************************************************************/
+/* NAME: move64() - moves a double word (64-bit) */
+/* */
+/* DESCRIPTION: */
+/* this function performs a double word move from the data at */
+/* the source pointer to the location at the destination pointer. */
+/* */
+/* INPUTS: */
+/* unsigned long long *src - pointer to data to move */
+/* */
+/* OUTPUTS: */
+/* unsigned long long *dest - pointer to locate to move data */
+/* */
+/* RETURNS: */
+/* None */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* May cloober fr0. */
+/* */
+/*********************************************************************/
+static void move64(unsigned long long *src, unsigned long long *dest)
+{
+ asm("lfd 0, 0(3)\n\t" /* fpr0 = *scr */
+ "stfd 0, 0(4)" /* *dest = fpr0 */
+ : : :"fr0"); /* Clobbers fr0 */
+ return;
+}
+
+#if defined (CFG_DRAM_TEST_DATA)
+
+unsigned long long pattern[] = {
+ 0xaaaaaaaaaaaaaaaaULL,
+ 0xccccccccccccccccULL,
+ 0xf0f0f0f0f0f0f0f0ULL,
+ 0xff00ff00ff00ff00ULL,
+ 0xffff0000ffff0000ULL,
+ 0xffffffff00000000ULL,
+ 0x00000000ffffffffULL,
+ 0x0000ffff0000ffffULL,
+ 0x00ff00ff00ff00ffULL,
+ 0x0f0f0f0f0f0f0f0fULL,
+ 0x3333333333333333ULL,
+ 0x5555555555555555ULL
+};
+
+/*********************************************************************/
+/* NAME: mem_test_data() - test data lines for shorts and opens */
+/* */
+/* DESCRIPTION: */
+/* Tests data lines for shorts and opens by forcing adjacent data */
+/* to opposite states. Because the data lines could be routed in */
+/* an arbitrary manner the must ensure test patterns ensure that */
+/* every case is tested. By using the following series of binary */
+/* patterns every combination of adjacent bits is test regardless */
+/* of routing. */
+/* */
+/* ...101010101010101010101010 */
+/* ...110011001100110011001100 */
+/* ...111100001111000011110000 */
+/* ...111111110000000011111111 */
+/* */
+/* Carrying this out, gives us six hex patterns as follows: */
+/* */
+/* 0xaaaaaaaaaaaaaaaa */
+/* 0xcccccccccccccccc */
+/* 0xf0f0f0f0f0f0f0f0 */
+/* 0xff00ff00ff00ff00 */
+/* 0xffff0000ffff0000 */
+/* 0xffffffff00000000 */
+/* */
+/* The number test patterns will always be given by: */
+/* */
+/* log(base 2)(number data bits) = log2 (64) = 6 */
+/* */
+/* To test for short and opens to other signals on our boards. we */
+/* simply */
+/* test with the 1's complemnt of the paterns as well. */
+/* */
+/* OUTPUTS: */
+/* Displays failing test pattern */
+/* */
+/* RETURNS: */
+/* 0 - Passed test */
+/* 1 - Failed test */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* Assumes only one one SDRAM bank */
+/* */
+/*********************************************************************/
+int mem_test_data(void)
+{
+ unsigned long long *pmem = (unsigned long long *)CFG_MEMTEST_START;
+ unsigned long long temp64;
+ int num_patterns = sizeof(pattern) / sizeof(pattern[0]);
+ int i;
+ unsigned int hi, lo;
+
+ for (i = 0; i < num_patterns; i++) {
+ move64(&(pattern[i]), pmem);
+ move64(pmem, &temp64);
+
+ /* hi = (temp64>>32) & 0xffffffff; */
+ /* lo = temp64 & 0xffffffff; */
+ /* printf("\ntemp64 = 0x%08x%08x", hi, lo); */
+
+ hi = (pattern[i] >> 32) & 0xffffffff;
+ lo = pattern[i] & 0xffffffff;
+ /* printf("\npattern[%d] = 0x%08x%08x", i, hi, lo); */
+
+ if (temp64 != pattern[i]) {
+ printf("\n Data Test Failed, pattern 0x%08x%08x",
+ hi, lo);
+ return 1;
+ }
+ }
+
+ return 0;
+}
+#endif /* CFG_DRAM_TEST_DATA */
+
+#if defined (CFG_DRAM_TEST_ADDRESS)
+/*********************************************************************/
+/* NAME: mem_test_address() - test address lines */
+/* */
+/* DESCRIPTION: */
+/* This function performs a test to verify that each word im */
+/* memory is uniquly addressable. The test sequence is as follows: */
+/* */
+/* 1) write the address of each word to each word. */
+/* 2) verify that each location equals its address */
+/* */
+/* OUTPUTS: */
+/* Displays failing test pattern and address */
+/* */
+/* RETURNS: */
+/* 0 - Passed test */
+/* 1 - Failed test */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+int mem_test_address(void)
+{
+ volatile unsigned int *pmem =
+ (volatile unsigned int *)CFG_MEMTEST_START;
+ const unsigned int size = (CFG_MEMTEST_END - CFG_MEMTEST_START) / 4;
+ unsigned int i;
+
+ /* write address to each location */
+ for (i = 0; i < size; i++) {
+ pmem[i] = i;
+ }
+
+ /* verify each loaction */
+ for (i = 0; i < size; i++) {
+ if (pmem[i] != i) {
+ printf("\n Address Test Failed at 0x%x", i);
+ return 1;
+ }
+ }
+ return 0;
+}
+#endif /* CFG_DRAM_TEST_ADDRESS */
+
+#if defined (CFG_DRAM_TEST_WALK)
+/*********************************************************************/
+/* NAME: mem_march() - memory march */
+/* */
+/* DESCRIPTION: */
+/* Marches up through memory. At each location verifies rmask if */
+/* read = 1. At each location write wmask if write = 1. Displays */
+/* failing address and pattern. */
+/* */
+/* INPUTS: */
+/* volatile unsigned long long * base - start address of test */
+/* unsigned int size - number of dwords(64-bit) to test */
+/* unsigned long long rmask - read verify mask */
+/* unsigned long long wmask - wrtie verify mask */
+/* short read - verifies rmask if read = 1 */
+/* short write - writes wmask if write = 1 */
+/* */
+/* OUTPUTS: */
+/* Displays failing test pattern and address */
+/* */
+/* RETURNS: */
+/* 0 - Passed test */
+/* 1 - Failed test */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+int mem_march(volatile unsigned long long *base,
+ unsigned int size,
+ unsigned long long rmask,
+ unsigned long long wmask, short read, short write)
+{
+ unsigned int i;
+ unsigned long long temp;
+ unsigned int hitemp, lotemp, himask, lomask;
+
+ for (i = 0; i < size; i++) {
+ if (read != 0) {
+ /* temp = base[i]; */
+ move64((unsigned long long *)&(base[i]), &temp);
+ if (rmask != temp) {
+ hitemp = (temp >> 32) & 0xffffffff;
+ lotemp = temp & 0xffffffff;
+ himask = (rmask >> 32) & 0xffffffff;
+ lomask = rmask & 0xffffffff;
+
+ printf("\n Walking one's test failed: \
+ address = 0x%08x," "\n\texpected \
+ 0x%08x%08x, found 0x%08x%08x", i << 3,\
+ himask, lomask, hitemp, lotemp);
+ return 1;
+ }
+ }
+ if (write != 0) {
+ /* base[i] = wmask; */
+ move64(&wmask, (unsigned long long *)&(base[i]));
+ }
+ }
+ return 0;
+}
+#endif /* CFG_DRAM_TEST_WALK */
+
+/*********************************************************************/
+/* NAME: mem_test_walk() - a simple walking ones test */
+/* */
+/* DESCRIPTION: */
+/* Performs a walking ones through entire physical memory. The */
+/* test uses as series of memory marches, mem_march(), to verify */
+/* and write the test patterns to memory. The test sequence is as */
+/* follows: */
+/* 1) march writing 0000...0001 */
+/* 2) march verifying 0000...0001 , writing 0000...0010 */
+/* 3) repeat step 2 shifting masks left 1 bit each time unitl */
+/* the write mask equals 1000...0000 */
+/* 4) march verifying 1000...0000 */
+/* The test fails if any of the memory marches return a failure. */
+/* */
+/* OUTPUTS: */
+/* Displays which pass on the memory test is executing */
+/* */
+/* RETURNS: */
+/* 0 - Passed test */
+/* 1 - Failed test */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+int mem_test_walk(void)
+{
+ unsigned long long mask;
+ volatile unsigned long long *pmem =
+ (volatile unsigned long long *)CFG_MEMTEST_START;
+ const unsigned long size = (CFG_MEMTEST_END - CFG_MEMTEST_START) / 8;
+
+ unsigned int i;
+
+ mask = 0x01;
+
+ printf("Initial Pass");
+ mem_march(pmem, size, 0x0, 0x1, 0, 1);
+
+ printf("\b\b\b\b\b\b\b\b\b\b\b\b");
+ printf(" ");
+ printf(" ");
+ printf("\b\b\b\b\b\b\b\b\b\b\b\b");
+
+ for (i = 0; i < 63; i++) {
+ printf("Pass %2d", i + 2);
+ if (mem_march(pmem, size, mask, mask << 1, 1, 1) != 0) {
+ /*printf("mask: 0x%x, pass: %d, ", mask, i); */
+ return 1;
+ }
+ mask = mask << 1;
+ printf("\b\b\b\b\b\b\b");
+ }
+
+ printf("Last Pass");
+ if (mem_march(pmem, size, 0, mask, 0, 1) != 0) {
+ /* printf("mask: 0x%x", mask); */
+ return 1;
+ }
+ printf("\b\b\b\b\b\b\b\b\b");
+ printf(" ");
+ printf("\b\b\b\b\b\b\b\b\b");
+
+ return 0;
+}
+
+/*********************************************************************/
+/* NAME: testdram() - calls any enabled memory tests */
+/* */
+/* DESCRIPTION: */
+/* Runs memory tests if the environment test variables are set to */
+/* 'y'. */
+/* */
+/* INPUTS: */
+/* testdramdata - If set to 'y', data test is run. */
+/* testdramaddress - If set to 'y', address test is run. */
+/* testdramwalk - If set to 'y', walking ones test is run */
+/* */
+/* OUTPUTS: */
+/* None */
+/* */
+/* RETURNS: */
+/* 0 - Passed test */
+/* 1 - Failed test */
+/* */
+/* RESTRICTIONS/LIMITATIONS: */
+/* */
+/* */
+/*********************************************************************/
+int testdram(void)
+{
+ char *s;
+ int rundata, runaddress, runwalk;
+
+ s = getenv("testdramdata");
+ rundata = (s && (*s == 'y')) ? 1 : 0;
+ s = getenv("testdramaddress");
+ runaddress = (s && (*s == 'y')) ? 1 : 0;
+ s = getenv("testdramwalk");
+ runwalk = (s && (*s == 'y')) ? 1 : 0;
+
+/* rundata = 1; */
+/* runaddress = 0; */
+/* runwalk = 0; */
+
+ if ((rundata == 1) || (runaddress == 1) || (runwalk == 1)) {
+ printf("Testing RAM from 0x%08x to 0x%08x ... \
+ (don't panic... that will take a moment !!!!)\n", \
+ CFG_MEMTEST_START, CFG_MEMTEST_END);
+ }
+#ifdef CFG_DRAM_TEST_DATA
+ if (rundata == 1) {
+ printf("Test DATA ... ");
+ if (mem_test_data () == 1) {
+ printf("failed \n");
+ return 1;
+ } else
+ printf("ok \n");
+ }
+#endif
+#ifdef CFG_DRAM_TEST_ADDRESS
+ if (runaddress == 1) {
+ printf("Test ADDRESS ... ");
+ if (mem_test_address () == 1) {
+ printf("failed \n");
+ return 1;
+ } else
+ printf("ok \n");
+ }
+#endif
+#ifdef CFG_DRAM_TEST_WALK
+ if (runwalk == 1) {
+ printf("Test WALKING ONEs ... ");
+ if (mem_test_walk() == 1) {
+ printf("failed \n");
+ return 1;
+ } else
+ printf("ok \n");
+ }
+#endif
+ if ((rundata == 1) || (runaddress == 1) || (runwalk == 1)) {
+ printf("passed\n");
+ }
+ return 0;
+
+}
+#endif /* CFG_DRAM_TEST */
+
+#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+ u32 *p;
+ int len;
+
+ ft_cpu_setup(blob, bd);
+
+ p = ft_get_prop(blob, "/memory/reg", &len);
+ if (p != NULL) {
+ *p++ = cpu_to_be32(bd->bi_memstart);
+ *p = cpu_to_be32(bd->bi_memsize);
+ }
+}
+#endif
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