From: Michal Simek <michal.simek@xilinx.com>
Date: Fri, 17 Jan 2014 08:56:07 +0000 (+0100)
Subject: zynq: Add fpga support to u-boot SPL
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=81a0e8c2ea26a0efbf99139f93435745858fd297;p=thirdparty%2Fu-boot.git

zynq: Add fpga support to u-boot SPL

Call board_init to ensure that fpga is properly detected.
Enable bit and bin formats.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/arch/arm/cpu/armv7/zynq/spl.c b/arch/arm/cpu/armv7/zynq/spl.c
index e41523017cd..f6686b4d649 100644
--- a/arch/arm/cpu/armv7/zynq/spl.c
+++ b/arch/arm/cpu/armv7/zynq/spl.c
@@ -33,6 +33,11 @@ void board_init_f(ulong dummy)
 	board_init_r(NULL, 0);
 }
 
+void spl_board_init(void)
+{
+	board_init();
+}
+
 u32 spl_boot_device(void)
 {
 	u32 mode;
diff --git a/common/spl/spl_mmc.c b/common/spl/spl_mmc.c
index fc2f2260f88..a1703f0899c 100644
--- a/common/spl/spl_mmc.c
+++ b/common/spl/spl_mmc.c
@@ -13,6 +13,8 @@
 #include <fat.h>
 #include <version.h>
 #include <image.h>
+#include <fpga.h>
+#include <xilinx.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -69,6 +71,35 @@ static int mmc_load_image_raw_os(struct mmc *mmc)
 }
 #endif
 
+#ifdef CONFIG_SPL_FPGA_SUPPORT
+static int mmc_load_fpga_image_fat(struct mmc *mmc)
+{
+	int err;
+	int devnum = 0;
+	const fpga_desc *const desc = fpga_get_desc(devnum);
+	Xilinx_desc *desc_xilinx = desc->devdesc;
+
+	/* FIXME = standard file size + header desc_xilinx->size + 0x6c */
+	err = file_fat_read(CONFIG_SPL_FPGA_LOAD_ARGS_NAME,
+			    (void *)CONFIG_SPL_FPGA_LOAD_ADDR,
+			    0);
+	if (err <= 0) {
+#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT
+		printf("spl: error reading image %s, err - %d\n",
+		       CONFIG_SPL_FAT_LOAD_ARGS_NAME, err);
+#endif
+		return -1;
+	}
+#ifdef CONFIG_SPL_FPGA_BIT
+	return fpga_loadbitstream(devnum, (char *)CONFIG_SPL_FPGA_LOAD_ADDR,
+				  desc_xilinx->size);
+#else
+	return fpga_load(devnum, (const void *)CONFIG_SPL_FPGA_LOAD_ADDR,
+			 desc_xilinx->size);
+#endif
+}
+#endif
+
 #ifdef CONFIG_SPL_FAT_SUPPORT
 static int mmc_load_image_fat(struct mmc *mmc, const char *filename)
 {
@@ -161,6 +192,9 @@ void spl_mmc_load_image(void)
 #endif
 			hang();
 		}
+#ifdef CONFIG_SPL_FPGA_SUPPORT
+		mmc_load_fpga_image_fat(mmc);
+#endif
 
 #ifdef CONFIG_SPL_OS_BOOT
 		if (spl_start_uboot() || mmc_load_image_fat_os(mmc))
diff --git a/drivers/fpga/fpga.c b/drivers/fpga/fpga.c
index b940d9b316b..2ed2f959a1e 100644
--- a/drivers/fpga/fpga.c
+++ b/drivers/fpga/fpga.c
@@ -38,7 +38,7 @@ static void fpga_no_sup(char *fn, char *msg)
 /* fpga_get_desc
  *	map a device number to a descriptor
  */
-static const fpga_desc *const fpga_get_desc(int devnum)
+const fpga_desc *const fpga_get_desc(int devnum)
 {
 	fpga_desc *desc = (fpga_desc *)NULL;
 
diff --git a/include/configs/zynq-common.h b/include/configs/zynq-common.h
index 993656f2d95..cc00280c51a 100644
--- a/include/configs/zynq-common.h
+++ b/include/configs/zynq-common.h
@@ -356,13 +356,23 @@
 #define CONFIG_SPL_LIBCOMMON_SUPPORT
 #define CONFIG_SPL_LIBGENERIC_SUPPORT
 #define CONFIG_SPL_SERIAL_SUPPORT
+#define CONFIG_SPL_BOARD_INIT
 
 #define CONFIG_SPL_LDSCRIPT	"arch/arm/cpu/armv7/zynq/u-boot-spl.lds"
 
 /* Disable dcache for SPL just for sure */
 #ifdef CONFIG_SPL_BUILD
 #define CONFIG_SYS_DCACHE_OFF
-#undef CONFIG_FPGA
+#endif
+
+/* FPGA support */
+#define CONFIG_SPL_FPGA_SUPPORT
+#define CONFIG_SPL_FPGA_LOAD_ADDR      0x1000000
+/* #define CONFIG_SPL_FPGA_BIT */
+#ifdef CONFIG_SPL_FPGA_BIT
+# define CONFIG_SPL_FPGA_LOAD_ARGS_NAME "download.bit"
+#else
+# define CONFIG_SPL_FPGA_LOAD_ARGS_NAME "fpga.bin"
 #endif
 
 /* MMC support */
diff --git a/include/fpga.h b/include/fpga.h
index 15e603a169d..acc9efc883b 100644
--- a/include/fpga.h
+++ b/include/fpga.h
@@ -40,6 +40,7 @@ typedef struct {		/* typedef fpga_desc */
 extern void fpga_init(void);
 extern int fpga_add(fpga_type devtype, void *desc);
 extern int fpga_count(void);
+extern const fpga_desc *const fpga_get_desc(int devnum);
 extern int fpga_load(int devnum, const void *buf, size_t bsize);
 extern int fpga_loadbitstream(int devnum, char *fpgadata, size_t size);
 extern int fpga_dump(int devnum, const void *buf, size_t bsize);
diff --git a/spl/Makefile b/spl/Makefile
index 5e5472d97ce..c7b626c4bcc 100644
--- a/spl/Makefile
+++ b/spl/Makefile
@@ -68,6 +68,7 @@ LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/
 LIBS-$(CONFIG_SPL_SPI_FLASH_SUPPORT) += drivers/mtd/spi/
 LIBS-$(CONFIG_SPL_SPI_SUPPORT) += drivers/spi/
 LIBS-y += fs/
+LIBS-$(CONFIG_SPL_FPGA_SUPPORT) += drivers/fpga/
 LIBS-$(CONFIG_SPL_LIBGENERIC_SUPPORT) += lib/
 LIBS-$(CONFIG_SPL_POWER_SUPPORT) += drivers/power/ \
 	drivers/power/pmic/