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Diffstat (limited to 'board/matrix_vision/mvblx/fpga.c')
-rw-r--r--board/matrix_vision/mvblx/fpga.c214
1 files changed, 0 insertions, 214 deletions
diff --git a/board/matrix_vision/mvblx/fpga.c b/board/matrix_vision/mvblx/fpga.c
deleted file mode 100644
index 7f9b2455059..00000000000
--- a/board/matrix_vision/mvblx/fpga.c
+++ /dev/null
@@ -1,214 +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
- * Michael Jones, Matrix Vision GmbH, michael.jones@matrix-vision.de
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <ACEX1K.h>
-#include <command.h>
-#include <asm/gpio.h>
-#include <linux/byteorder/generic.h>
-#include "fpga.h"
-
-#ifdef FPGA_DEBUG
-#define fpga_debug(fmt, args...) printf("%s: "fmt, __func__, ##args)
-#else
-#define fpga_debug(fmt, args...)
-#endif
-
-Altera_CYC2_Passive_Serial_fns altera_fns = {
- fpga_null_fn, /* Altera_pre_fn */
- fpga_config_fn,
- fpga_status_fn,
- fpga_done_fn,
- fpga_wr_fn,
- fpga_null_fn,
- fpga_null_fn,
-};
-
-Altera_desc cyclone2 = {
- Altera_CYC2,
- fast_passive_parallel,
- Altera_EP3C5_SIZE,
- (void *) &altera_fns,
- NULL,
- 0
-};
-
-#define GPIO_RESET 43
-#define GPIO_DCLK 65
-#define GPIO_nSTATUS 157
-#define GPIO_CONF_DONE 158
-#define GPIO_nCONFIG 159
-#define GPIO_DATA0 54
-#define GPIO_DATA1 55
-#define GPIO_DATA2 56
-#define GPIO_DATA3 57
-#define GPIO_DATA4 58
-#define GPIO_DATA5 60
-#define GPIO_DATA6 61
-#define GPIO_DATA7 62
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/* return FPGA_SUCCESS on success, else FPGA_FAIL
- */
-int mvblx_init_fpga(void)
-{
- fpga_debug("Initializing FPGA interface\n");
- fpga_init();
- fpga_add(fpga_altera, &cyclone2);
-
- if (gpio_request(GPIO_DCLK, "dclk") ||
- gpio_request(GPIO_nSTATUS, "nStatus") ||
-#ifndef CONFIG_SYS_FPGA_DONT_USE_CONF_DONE
- gpio_request(GPIO_CONF_DONE, "conf_done") ||
-#endif
- gpio_request(GPIO_nCONFIG, "nConfig") ||
- gpio_request(GPIO_DATA0, "data0") ||
- gpio_request(GPIO_DATA1, "data1") ||
- gpio_request(GPIO_DATA2, "data2") ||
- gpio_request(GPIO_DATA3, "data3") ||
- gpio_request(GPIO_DATA4, "data4") ||
- gpio_request(GPIO_DATA5, "data5") ||
- gpio_request(GPIO_DATA6, "data6") ||
- gpio_request(GPIO_DATA7, "data7")) {
- printf("%s: error requesting GPIOs.", __func__);
- return FPGA_FAIL;
- }
-
- /* set up outputs */
- gpio_direction_output(GPIO_DCLK, 0);
- gpio_direction_output(GPIO_nCONFIG, 0);
- gpio_direction_output(GPIO_DATA0, 0);
- gpio_direction_output(GPIO_DATA1, 0);
- gpio_direction_output(GPIO_DATA2, 0);
- gpio_direction_output(GPIO_DATA3, 0);
- gpio_direction_output(GPIO_DATA4, 0);
- gpio_direction_output(GPIO_DATA5, 0);
- gpio_direction_output(GPIO_DATA6, 0);
- gpio_direction_output(GPIO_DATA7, 0);
-
- /* NB omap_free_gpio() resets to an input, so we can't
- * free ie. nCONFIG, or else the FPGA would reset
- * Q: presumably gpio_free() has the same effect?
- */
-
- /* set up inputs */
- gpio_direction_input(GPIO_nSTATUS);
-#ifndef CONFIG_SYS_FPGA_DONT_USE_CONF_DONE
- gpio_direction_input(GPIO_CONF_DONE);
-#endif
-
- fpga_config_fn(0, 1, 0);
- udelay(60);
-
- return FPGA_SUCCESS;
-}
-
-int fpga_null_fn(int cookie)
-{
- return 0;
-}
-
-int fpga_config_fn(int assert, int flush, int cookie)
-{
- fpga_debug("SET config : %s=%d\n", assert ? "low" : "high", assert);
- if (flush) {
- gpio_set_value(GPIO_nCONFIG, !assert);
- udelay(1);
- gpio_set_value(GPIO_nCONFIG, assert);
- }
-
- return assert;
-}
-
-int fpga_done_fn(int cookie)
-{
- int result = 0;
-
- /* since revA of BLX, we will not get this signal. */
- udelay(10);
-#ifdef CONFIG_SYS_FPGA_DONT_USE_CONF_DONE
- fpga_debug("not waiting for CONF_DONE.");
- result = 1;
-#else
- fpga_debug("CONF_DONE check ... ");
- if (gpio_get_value(GPIO_CONF_DONE)) {
- fpga_debug("high\n");
- result = 1;
- } else
- fpga_debug("low\n");
- gpio_free(GPIO_CONF_DONE);
-#endif
-
- return result;
-}
-
-int fpga_status_fn(int cookie)
-{
- int result = 0;
- fpga_debug("STATUS check ... ");
-
- result = gpio_get_value(GPIO_nSTATUS);
-
- if (result < 0)
- fpga_debug("error\n");
- else if (result > 0)
- fpga_debug("high\n");
- else
- fpga_debug("low\n");
-
- return result;
-}
-
-static inline int _write_fpga(u8 byte)
-{
- gpio_set_value(GPIO_DATA0, byte & 0x01);
- gpio_set_value(GPIO_DATA1, (byte >> 1) & 0x01);
- gpio_set_value(GPIO_DATA2, (byte >> 2) & 0x01);
- gpio_set_value(GPIO_DATA3, (byte >> 3) & 0x01);
- gpio_set_value(GPIO_DATA4, (byte >> 4) & 0x01);
- gpio_set_value(GPIO_DATA5, (byte >> 5) & 0x01);
- gpio_set_value(GPIO_DATA6, (byte >> 6) & 0x01);
- gpio_set_value(GPIO_DATA7, (byte >> 7) & 0x01);
-
- /* clock */
- gpio_set_value(GPIO_DCLK, 1);
- udelay(1);
- gpio_set_value(GPIO_DCLK, 0);
- udelay(1);
-
- return 0;
-}
-
-int fpga_wr_fn(const void *buf, size_t len, int flush, int cookie)
-{
- unsigned char *data = (unsigned char *) buf;
- int i;
- int headerlen = len - cyclone2.size;
-
- if (headerlen < 0)
- return FPGA_FAIL;
- else if (headerlen == sizeof(uint32_t)) {
- const unsigned int fpgavers_len = 11; /* '0x' + 8 hex digits + \0 */
- char fpgavers_str[fpgavers_len];
- snprintf(fpgavers_str, fpgavers_len, "0x%08x",
- be32_to_cpup((uint32_t*)data));
- setenv("fpgavers", fpgavers_str);
- }
-
- fpga_debug("fpga_wr: buf %p / size %d\n", buf, len);
- for (i = headerlen; i < len; i++)
- _write_fpga(data[i]);
- fpga_debug("-%s\n", __func__);
-
- return FPGA_SUCCESS;
-}