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-rw-r--r--board/siemens/IAD210/IAD210.c318
1 files changed, 318 insertions, 0 deletions
diff --git a/board/siemens/IAD210/IAD210.c b/board/siemens/IAD210/IAD210.c
new file mode 100644
index 0000000..4897046
--- /dev/null
+++ b/board/siemens/IAD210/IAD210.c
@@ -0,0 +1,318 @@
+/*
+ * (C) Copyright 2001
+ * Paul Geerinckx
+ *
+ * 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>
+#include "atm.h"
+#include <i2c.h>
+
+/* ------------------------------------------------------------------------- */
+
+static long int dram_size (long int, long int *, long int);
+
+/* ------------------------------------------------------------------------- */
+
+/* used PLD registers */
+# define PLD_GCR1_REG (unsigned char *) (0x10000000 + 0)
+# define PLD_EXT_RES (unsigned char *) (0x10000000 + 10)
+# define PLD_EXT_FETH (unsigned char *) (0x10000000 + 11)
+# define PLD_EXT_LED (unsigned char *) (0x10000000 + 12)
+# define PLD_EXT_X21 (unsigned char *) (0x10000000 + 13)
+
+#define _NOT_USED_ 0xFFFFFFFF
+
+const uint sdram_table[] =
+{
+ /*
+ * Single Read. (Offset 0 in UPMA RAM)
+ */
+ 0xFE2DB004, 0xF0AA7004, 0xF0A5F400, 0xF3AFFC47, /* last */
+ _NOT_USED_,
+ /*
+ * SDRAM Initialization (offset 5 in UPMA 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.
+ *
+ */
+ 0xFFFAF834, 0xFFE5B435, /* last */
+ _NOT_USED_,
+ /*
+ * Burst Read. (Offset 8 in UPMA RAM)
+ */
+ 0xFE2DB004, 0xF0AF7404, 0xF0AFFC00, 0xF0AFFC00,
+ 0xF0AFFC00, 0xF0AAF800, 0xF1A5E447, /* last */
+ _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ /*
+ * Single Write. (Offset 18 in UPMA RAM)
+ */
+ 0xFE29B300, 0xF1A27304, 0xFFA5F747, /* last */
+ _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ /*
+ * Burst Write. (Offset 20 in UPMA RAM)
+ */
+ 0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00,
+ 0xF1AAF804, 0xFFA5F447, /* last */
+ _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ /*
+ * Refresh (Offset 30 in UPMA RAM)
+ */
+ 0xFFAC3884, 0xFFAC3404, 0xFFAFFC04, 0xFFAFFC84,
+ 0xFFAFFC07, /* last */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ /*
+ * MRS sequence (Offset 38 in UPMA RAM)
+ */
+ 0xFFAAB834, 0xFFA57434, 0xFFAFFC05, /* last */
+ _NOT_USED_,
+ /*
+ * Exception. (Offset 3c in UPMA RAM)
+ */
+ 0xFFAFFC04, 0xFFAFFC05, /* last */
+ _NOT_USED_, _NOT_USED_,
+};
+
+/* ------------------------------------------------------------------------- */
+
+
+
+long int initdram (int board_type)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ volatile iop8xx_t *iop = &immap->im_ioport;
+ volatile fec_t *fecp = &immap->im_cpm.cp_fec;
+ long int size;
+
+ upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+
+ /*
+ * 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 = CFG_MPTPR;
+
+ memctl->memc_mar = 0x00000088;
+
+ /*
+ * Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at
+ * preliminary addresses - these have to be modified after the
+ * SDRAM size has been determined.
+ */
+ memctl->memc_or2 = CFG_OR2_PRELIM;
+ memctl->memc_br2 = CFG_BR2_PRELIM;
+
+ memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */
+
+ udelay(200);
+
+ /* perform SDRAM initializsation sequence */
+
+ memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */
+ udelay(1);
+ memctl->memc_mcr = 0x80004230; /* SDRAM bank 0 - execute twice */
+ udelay(1);
+
+ memctl->memc_mcr = 0x80004105; /* SDRAM precharge */
+ udelay(1);
+ memctl->memc_mcr = 0x80004030; /* SDRAM 16x autorefresh */
+ udelay(1);
+ memctl->memc_mcr = 0x80004138; /* SDRAM upload parameters */
+ udelay(1);
+
+ memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
+
+ udelay (1000);
+
+ /*
+ * Check Bank 0 Memory Size for re-configuration
+ *
+ */
+ size = dram_size (CFG_MAMR, (ulong *)SDRAM_BASE_PRELIM, SDRAM_MAX_SIZE);
+
+ udelay (1000);
+
+
+ memctl->memc_mamr = CFG_MAMR;
+ udelay (1000);
+
+ /*
+ * Final mapping
+ */
+ memctl->memc_or2 = ((-size) & 0xFFFF0000) | CFG_OR2_PRELIM;
+ memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V);
+
+ udelay(10000);
+
+ /* prepare pin multiplexing for fast ethernet */
+
+ atmLoad();
+ fecp->fec_ecntrl = 0x00000004; /* rev D3 pinmux SET */
+ iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */
+
+
+ return (size);
+}
+
+/* ------------------------------------------------------------------------- */
+
+/*
+ * 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 mamr_value, long int *base, long int maxsize)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ volatile long int *addr;
+ ulong cnt, val;
+ ulong save[32]; /* to make test non-destructive */
+ unsigned char i = 0;
+
+ memctl->memc_mamr = mamr_value;
+
+ for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) {
+ addr = base + cnt; /* pointer arith! */
+
+ save[i++] = *addr;
+ *addr = ~cnt;
+ }
+
+ /* write 0 to base address */
+ addr = base;
+ save[i] = *addr;
+ *addr = 0;
+
+ /* check at base address */
+ if ((val = *addr) != 0) {
+ *addr = save[i];
+ return (0);
+ }
+
+ for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
+ addr = base + cnt; /* pointer arith! */
+
+ val = *addr;
+ *addr = save[--i];
+
+ if (val != (~cnt)) {
+ return (cnt * sizeof(long));
+ }
+ }
+ return (maxsize);
+}
+
+/*
+ * Check Board Identity:
+ */
+
+int checkboard (void)
+{
+ return (0);
+}
+
+void board_serial_init(void)
+{
+ ;/* nothing to do here */
+}
+
+void board_ether_init(void)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile iop8xx_t *iop = &immap->im_ioport;
+ volatile fec_t *fecp = &immap->im_cpm.cp_fec;
+
+ atmLoad();
+ fecp->fec_ecntrl = 0x00000004; /* rev D3 pinmux SET */
+ iop->iop_pdpar |= 0x0080; /* set pin as MII_clock */
+}
+
+int board_pre_init (void)
+{
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile cpmtimer8xx_t *timers = &immap->im_cpmtimer;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ volatile iop8xx_t *iop = &immap->im_ioport;
+
+ /* configure the LED timing output pins - port A pin 4 */
+ iop->iop_papar = 0x0800;
+ iop->iop_padir = 0x0800;
+
+ /* start timer 2 for the 4hz LED blink rate */
+ timers->cpmt_tmr2 = 0xff2c; /* 4hz for 64mhz */
+ timers->cpmt_trr2 = 0x000003d0; /* clk/16 , prescale=256 */
+ timers->cpmt_tgcr = 0x00000810; /* run timer 2 */
+
+ /* chip select for PLD access */
+ memctl->memc_br6 = 0x10000401;
+ memctl->memc_or6 = 0xFC000908;
+
+ /* PLD initial values ( set LEDs, remove reset on LXT) */
+
+ *PLD_GCR1_REG = 0x06;
+ *PLD_EXT_RES = 0xC0;
+ *PLD_EXT_FETH = 0x40;
+ *PLD_EXT_LED = 0xFF;
+ *PLD_EXT_X21 = 0x04;
+ return 0;
+}
+
+void board_get_enetaddr (uchar *addr)
+{
+ int i;
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile cpm8xx_t *cpm = &immap->im_cpm;
+ unsigned int rccrtmp;
+
+ char default_mac_addr[] = {0x00, 0x08, 0x01, 0x02, 0x03, 0x04};
+
+ for (i=0; i<6; i++)
+ addr[i] = default_mac_addr[i];
+
+ printf("There is an error in the i2c driver .. /n");
+ printf("You need to fix it first....../n");
+
+ rccrtmp = cpm->cp_rccr;
+ cpm->cp_rccr |= 0x0020;
+
+ i2c_reg_read(0xa0, 0);
+ printf ("seep = '-%c-%c-%c-%c-%c-%c-'\n",
+ i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0),
+ i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0), i2c_reg_read(0xa0, 0) );
+
+ cpm->cp_rccr = rccrtmp;
+
+
+}
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