summaryrefslogtreecommitdiff
path: root/board/matrix_vision/mergerbox/fpga.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/matrix_vision/mergerbox/fpga.c')
-rw-r--r--board/matrix_vision/mergerbox/fpga.c158
1 files changed, 0 insertions, 158 deletions
diff --git a/board/matrix_vision/mergerbox/fpga.c b/board/matrix_vision/mergerbox/fpga.c
deleted file mode 100644
index 57552c1ae6..0000000000
--- a/board/matrix_vision/mergerbox/fpga.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/*
- * (C) Copyright 2002
- * Rich Ireland, Enterasys Networks, rireland@enterasys.com.
- * Keith Outwater, keith_outwater@mvis.com.
- *
- * (C) Copyright 2011
- * Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.de
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <ACEX1K.h>
-#include <command.h>
-#include "mergerbox.h"
-#include "fpga.h"
-
-Altera_CYC2_Passive_Serial_fns altera_fns = {
- fpga_null_fn,
- fpga_config_fn,
- fpga_status_fn,
- fpga_done_fn,
- fpga_wr_fn,
- fpga_null_fn,
- fpga_null_fn,
-};
-
-Altera_desc cyclone2 = {
- Altera_CYC2,
- passive_serial,
- Altera_EP2C20_SIZE,
- (void *) &altera_fns,
- NULL,
- 0
-};
-
-DECLARE_GLOBAL_DATA_PTR;
-
-int mergerbox_init_fpga(void)
-{
- debug("Initialize FPGA interface\n");
- fpga_init();
- fpga_add(fpga_altera, &cyclone2);
-
- return 1;
-}
-
-int fpga_null_fn(int cookie)
-{
- return 0;
-}
-
-int fpga_config_fn(int assert, int flush, int cookie)
-{
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile gpio83xx_t *gpio = (gpio83xx_t *)&im->gpio[0];
- u32 dvo = gpio->dat;
-
- dvo &= ~FPGA_CONFIG;
- gpio->dat = dvo;
- udelay(5);
- dvo |= FPGA_CONFIG;
- gpio->dat = dvo;
-
- return assert;
-}
-
-int fpga_done_fn(int cookie)
-{
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile gpio83xx_t *gpio = (gpio83xx_t *)&im->gpio[0];
- int result = 0;
-
- udelay(10);
- debug("CONF_DONE check ... ");
- if (gpio->dat & FPGA_CONF_DONE) {
- debug("high\n");
- result = 1;
- } else
- debug("low\n");
-
- return result;
-}
-
-int fpga_status_fn(int cookie)
-{
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile gpio83xx_t *gpio = (gpio83xx_t *)&im->gpio[0];
- int result = 0;
-
- debug("STATUS check ... ");
- if (gpio->dat & FPGA_STATUS) {
- debug("high\n");
- result = 1;
- } else
- debug("low\n");
-
- return result;
-}
-
-int fpga_clk_fn(int assert_clk, int flush, int cookie)
-{
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile gpio83xx_t *gpio = (gpio83xx_t *)&im->gpio[0];
- u32 dvo = gpio->dat;
-
- debug("CLOCK %s\n", assert_clk ? "high" : "low");
- if (assert_clk)
- dvo |= FPGA_CCLK;
- else
- dvo &= ~FPGA_CCLK;
-
- if (flush)
- gpio->dat = dvo;
-
- return assert_clk;
-}
-
-static inline int _write_fpga(u8 val, int dump)
-{
- volatile immap_t *im = (immap_t *)CONFIG_SYS_IMMR;
- volatile gpio83xx_t *gpio = (gpio83xx_t *)&im->gpio[0];
- int i;
- u32 dvo = gpio->dat;
-
- if (dump)
- debug(" %02x -> ", val);
- for (i = 0; i < 8; i++) {
- dvo &= ~FPGA_CCLK;
- gpio->dat = dvo;
- dvo &= ~FPGA_DIN;
- if (dump)
- debug("%d ", val&1);
- if (val & 1)
- dvo |= FPGA_DIN;
- gpio->dat = dvo;
- dvo |= FPGA_CCLK;
- gpio->dat = dvo;
- val >>= 1;
- }
- if (dump)
- debug("\n");
-
- return 0;
-}
-
-int fpga_wr_fn(const void *buf, size_t len, int flush, int cookie)
-{
- unsigned char *data = (unsigned char *) buf;
- int i;
-
- debug("fpga_wr: buf %p / size %d\n", buf, len);
- for (i = 0; i < len; i++)
- _write_fpga(data[i], 0);
- debug("\n");
-
- return FPGA_SUCCESS;
-}