Signed-off-by: Philippe Reynes trem...@yahoo.fr
Signed-off-by: Eric Jarrige eric.jarr...@armadeus.org
---
board/armadeus/apf27/Makefile |3 +
board/armadeus/apf27/apf27.c | 18 +++
board/armadeus/apf27/fpga.c | 250 +
board/armadeus/apf27/fpga.h | 39 +++
4 files changed, 310 insertions(+), 0 deletions(-)
create mode 100644 board/armadeus/apf27/fpga.c
create mode 100644 board/armadeus/apf27/fpga.h
diff --git a/board/armadeus/apf27/Makefile b/board/armadeus/apf27/Makefile
index 08d5d8d..11562a2 100644
--- a/board/armadeus/apf27/Makefile
+++ b/board/armadeus/apf27/Makefile
@@ -29,6 +29,9 @@ LIB = $(obj)lib$(BOARD).o
ifndef CONFIG_SPL_BUILD
COBJS := apf27.o
+ifdef CONFIG_FPGA
+COBJS += fpga.o
+endif
endif
ifdef CONFIG_SPL_BUILD
diff --git a/board/armadeus/apf27/apf27.c b/board/armadeus/apf27/apf27.c
index f64c71a..7c10539 100644
--- a/board/armadeus/apf27/apf27.c
+++ b/board/armadeus/apf27/apf27.c
@@ -30,6 +30,7 @@
#include asm/errno.h
#include apf27.h
#include crc.h
+#include fpga.h
DECLARE_GLOBAL_DATA_PTR;
@@ -321,6 +322,23 @@ int misc_init_r(void)
struct mtd_device *dev;
struct part_info *part;
+#if defined(CONFIG_FPGA)
+ /* init and download fpga */
+ if ((autoload) (0 == strcmp(autoload, 1))) {
+ if (mtdparts_init() == 0)
+ if (find_dev_and_part(firmware,
+ dev, pnum, part) == 0) {
+ size = part-size;
+ if (nand_read_skip_bad(nand_info[0],
+ part-offset, size,
+ NULL, part-size,
+ firmware_buffer))
+ size = 0;
+ }
+ }
+ APF27_init_fpga(firmware_buffer, size);
+#endif
+
/* detect compatibility issue of environment version */
s = getenv(env_version);
if ((NULL == s) || (0 != strcmp(s, CONFIG_ENV_VERSION))) {
diff --git a/board/armadeus/apf27/fpga.c b/board/armadeus/apf27/fpga.c
new file mode 100644
index 000..4c49667
--- /dev/null
+++ b/board/armadeus/apf27/fpga.c
@@ -0,0 +1,250 @@
+/*
+ * (C) Copyright 2002-2012
+ * Eric Jarrige eric.jarr...@armadeus.org
+ * Rich Ireland, Enterasys Networks, rirel...@enterasys.com.
+ * Keith Outwater, keith_outwa...@mvis.com.
+ *
+ * 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 asm/arch/imx-regs.h
+#include asm/gpio.h
+#include asm/io.h
+#include command.h
+#include config.h
+#include fpga.h
+#include spartan3.h
+#include apf27.h
+
+/*
+ * Note that these are pointers to code that is in Flash. They will be
+ * relocated at runtime.
+ * Spartan2 code is used to download our Spartan 3 :) code is compatible.
+ * Just take care about the file size
+ */
+Xilinx_Spartan3_Slave_Parallel_fns fpga_fns = {
+ fpga_pre_fn,
+ fpga_pgm_fn,
+ fpga_init_fn,
+ NULL,
+ fpga_done_fn,
+ fpga_clk_fn,
+ fpga_cs_fn,
+ fpga_wr_fn,
+ fpga_rdata_fn,
+ fpga_wdata_fn,
+ fpga_busy_fn,
+ fpga_abort_fn,
+ fpga_post_fn,
+};
+
+Xilinx_desc fpga[CONFIG_FPGA_COUNT] = {
+ {Xilinx_Spartan3,
+slave_parallel,
+1196128l/8,
+(void *)fpga_fns,
+0}
+};
+
+/*
+ * Initialize GPIO port B before download
+ */
+int fpga_pre_fn(int cookie)
+{
+ /* Initialize GPIO pins */
+ gpio_set_value(ACFG_FPGA_PWR, 1);
+ imx_gpio_mode(ACFG_FPGA_INIT | GPIO_IN | GPIO_PUEN | GPIO_GPIO);
+ imx_gpio_mode(ACFG_FPGA_DONE | GPIO_IN | GPIO_PUEN | GPIO_GPIO);
+ imx_gpio_mode(ACFG_FPGA_PRG | GPIO_OUT | GPIO_PUEN | GPIO_GPIO);
+ imx_gpio_mode(ACFG_FPGA_CLK | GPIO_OUT | GPIO_PUEN | GPIO_GPIO);
+ imx_gpio_mode(ACFG_FPGA_RW | GPIO_OUT | GPIO_PUEN | GPIO_GPIO);
+ imx_gpio_mode(ACFG_FPGA_CS | GPIO_OUT | GPIO_PUEN | GPIO_GPIO);
+ imx_gpio_mode(ACFG_FPGA_SUSPEND|GPIO_OUT|GPIO_PUEN|GPIO_GPIO);
+ gpio_set_value(ACFG_FPGA_RESET, 1);
+ imx_gpio_mode(ACFG_FPGA_RESET | GPIO_OUT | GPIO_PUEN
