From c609719b8d1b2dca590e0ed499016d041203e403 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Sun, 3 Nov 2002 00:24:07 +0000
Subject: Initial revision

---
 board/siemens/SCM/fpga_scm.c | 104 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 board/siemens/SCM/fpga_scm.c

(limited to 'board/siemens/SCM/fpga_scm.c')

diff --git a/board/siemens/SCM/fpga_scm.c b/board/siemens/SCM/fpga_scm.c
new file mode 100644
index 000000000..3b93794ad
--- /dev/null
+++ b/board/siemens/SCM/fpga_scm.c
@@ -0,0 +1,104 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Grandegger, DENX Software Engineering, wg@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 <mpc8260.h>
+#include <common.h>
+#include "../common/fpga.h"
+
+fpga_t fpga_list[] = {
+    { "FIOX" , CFG_FIOX_BASE ,
+      CFG_PD_FIOX_INIT , CFG_PD_FIOX_PROG , CFG_PD_FIOX_DONE  },
+    { "FDOHM", CFG_FDOHM_BASE,
+      CFG_PD_FDOHM_INIT, CFG_PD_FDOHM_PROG, CFG_PD_FDOHM_DONE }
+};
+int fpga_count = sizeof(fpga_list) / sizeof(fpga_t);
+
+
+ulong fpga_control (fpga_t* fpga, int cmd)
+{
+    volatile immap_t *immr  = (immap_t *)CFG_IMMR;
+
+    switch (cmd) {
+    case FPGA_INIT_IS_HIGH:
+	immr->im_ioport.iop_pdird &= ~fpga->init_mask; /* input */
+	return (immr->im_ioport.iop_pdatd & fpga->init_mask) ? 1:0;
+
+    case FPGA_INIT_SET_LOW:
+	immr->im_ioport.iop_pdird |=  fpga->init_mask; /* output */
+	immr->im_ioport.iop_pdatd &= ~fpga->init_mask;
+	break;
+
+    case FPGA_INIT_SET_HIGH:
+	immr->im_ioport.iop_pdird |= fpga->init_mask; /* output */
+	immr->im_ioport.iop_pdatd |= fpga->init_mask;
+	break;
+
+    case FPGA_PROG_SET_LOW:
+	immr->im_ioport.iop_pdatd &= ~fpga->prog_mask;
+	break;
+
+    case FPGA_PROG_SET_HIGH:
+	immr->im_ioport.iop_pdatd |= fpga->prog_mask;
+	break;
+
+    case FPGA_DONE_IS_HIGH:
+	return (immr->im_ioport.iop_pdatd & fpga->done_mask) ? 1:0;
+
+    case FPGA_READ_MODE:
+	break;
+
+    case FPGA_LOAD_MODE:
+	break;
+
+    case FPGA_GET_ID:
+	if (fpga->conf_base == CFG_FIOX_BASE) {
+	    ulong ver = *(volatile ulong *)(fpga->conf_base + 0x10);
+	    return ((ver >> 10) & 0xf) + ((ver >> 2) & 0xf0);
+	}
+	else if (fpga->conf_base == CFG_FDOHM_BASE) {
+	    return (*(volatile ushort *)fpga->conf_base) & 0xff;
+	}
+	else {
+	    return *(volatile ulong *)fpga->conf_base;
+	}
+
+    case FPGA_INIT_PORTS:
+	immr->im_ioport.iop_ppard &= ~fpga->init_mask; /* INIT I/O */
+	immr->im_ioport.iop_psord &= ~fpga->init_mask;
+	immr->im_ioport.iop_pdird &= ~fpga->init_mask;
+
+	immr->im_ioport.iop_ppard &= ~fpga->prog_mask; /* PROG Output */
+	immr->im_ioport.iop_psord &= ~fpga->prog_mask;
+	immr->im_ioport.iop_pdird |=  fpga->prog_mask;
+
+	immr->im_ioport.iop_ppard &= ~fpga->done_mask; /* DONE Input */
+	immr->im_ioport.iop_psord &= ~fpga->done_mask;
+	immr->im_ioport.iop_pdird &= ~fpga->done_mask;
+
+	break;
+
+    }
+    return 0;
+}
-- 
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