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authorJon Loeliger <jdl@freescale.com>2007-04-11 16:51:02 -0500
committerAndrew Fleming-AFLEMING <afleming@freescale.com>2007-04-23 19:58:28 -0500
commit25d83d7f4ac65727182d8ddaf7ba42fa74cf65ae (patch)
treed9fa0a27db3e2ea233288fb043fe765ad7a262f7 /board/freescale/mpc8544ds/mpc8544ds.c
parent0cde4b00fc7393b89f379d83a9d436dcb1334bfa (diff)
Add MPC8544DS basic port board files.
Add board port under new board/freescale directory structure and reuse existing PIXIS FPGA support there. Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com> Signed-off-by: Jon Loeliger <jdl@freescale.com>
Diffstat (limited to 'board/freescale/mpc8544ds/mpc8544ds.c')
-rw-r--r--board/freescale/mpc8544ds/mpc8544ds.c205
1 files changed, 205 insertions, 0 deletions
diff --git a/board/freescale/mpc8544ds/mpc8544ds.c b/board/freescale/mpc8544ds/mpc8544ds.c
new file mode 100644
index 0000000000..90599348d7
--- /dev/null
+++ b/board/freescale/mpc8544ds/mpc8544ds.c
@@ -0,0 +1,205 @@
+/*
+ * Copyright 2007 Freescale Semiconductor, Inc.
+ *
+ * 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/processor.h>
+#include <asm/immap_85xx.h>
+#include <spd.h>
+#include <miiphy.h>
+
+#include "../common/pixis.h"
+
+#if defined(CONFIG_OF_FLAT_TREE)
+#include <ft_build.h>
+extern void ft_cpu_setup(void *blob, bd_t *bd);
+#endif
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+extern void ddr_enable_ecc(unsigned int dram_size);
+#endif
+
+extern long int spd_sdram(void);
+
+void sdram_init(void);
+
+int board_early_init_f (void)
+{
+ return 0;
+}
+
+int checkboard (void)
+{
+ volatile immap_t *immap = (immap_t *) CFG_CCSRBAR;
+ volatile ccsr_gur_t *gur = &immap->im_gur;
+
+ if ((uint)&gur->porpllsr != 0xe00e0000) {
+ printf("immap size error %x\n",&gur->porpllsr);
+ }
+ printf ("Board: MPC8544DS\n");
+
+ return 0;
+}
+
+long int
+initdram(int board_type)
+{
+ long dram_size = 0;
+
+ puts("Initializing\n");
+
+ dram_size = spd_sdram();
+
+#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER)
+ /*
+ * Initialize and enable DDR ECC.
+ */
+ ddr_enable_ecc(dram_size);
+#endif
+ puts(" DDR: ");
+ return dram_size;
+}
+
+
+#if defined(CFG_DRAM_TEST)
+int
+testdram(void)
+{
+ uint *pstart = (uint *) CFG_MEMTEST_START;
+ uint *pend = (uint *) CFG_MEMTEST_END;
+ uint *p;
+
+ printf("Testing DRAM from 0x%08x to 0x%08x\n",
+ CFG_MEMTEST_START,
+ CFG_MEMTEST_END);
+
+ printf("DRAM test phase 1:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0xaaaaaaaa;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0xaaaaaaaa) {
+ printf ("DRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("DRAM test phase 2:\n");
+ for (p = pstart; p < pend; p++)
+ *p = 0x55555555;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0x55555555) {
+ printf ("DRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("DRAM test passed.\n");
+ return 0;
+}
+#endif
+
+
+
+int last_stage_init(void)
+{
+ return 0;
+}
+
+
+unsigned long
+get_board_sys_clk(ulong dummy)
+{
+ u8 i, go_bit, rd_clks;
+ ulong val = 0;
+
+ go_bit = in8(PIXIS_BASE + PIXIS_VCTL);
+ go_bit &= 0x01;
+
+ rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0);
+ rd_clks &= 0x1C;
+
+ /*
+ * Only if both go bit and the SCLK bit in VCFGEN0 are set
+ * should we be using the AUX register. Remember, we also set the
+ * GO bit to boot from the alternate bank on the on-board flash
+ */
+
+ if (go_bit) {
+ if (rd_clks == 0x1c)
+ i = in8(PIXIS_BASE + PIXIS_AUX);
+ else
+ i = in8(PIXIS_BASE + PIXIS_SPD);
+ } else {
+ i = in8(PIXIS_BASE + PIXIS_SPD);
+ }
+
+ i &= 0x07;
+
+ switch (i) {
+ case 0:
+ val = 33333333;
+ break;
+ case 1:
+ val = 40000000;
+ break;
+ case 2:
+ val = 50000000;
+ break;
+ case 3:
+ val = 66666666;
+ break;
+ case 4:
+ val = 83000000;
+ break;
+ case 5:
+ val = 100000000;
+ break;
+ case 6:
+ val = 133333333;
+ break;
+ case 7:
+ val = 166666666;
+ break;
+ }
+
+ return val;
+}
+
+#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
+