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| author | Michal Simek <michal.simek@xilinx.com> | 2013-04-26 15:04:48 +0200 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2013-05-06 10:41:25 +0200 |
| commit | 6631db4773cd735688bf3332173a49271df23385 (patch) | |
| tree | 490f9a4e9bc19b1ef92fa782125ca971e295fa53 /drivers/fpga | |
| parent | d5dae85f23c7c902731512e451afde9a6e4a250a (diff) | |
| download | u-boot-imx-6631db4773cd735688bf3332173a49271df23385.zip u-boot-imx-6631db4773cd735688bf3332173a49271df23385.tar.gz u-boot-imx-6631db4773cd735688bf3332173a49271df23385.tar.bz2 | |
fpga: Check device name against bitstream name
Ensure that wrong bitstream won't be loaded
to current device.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Tom Rini <trini@ti.com>
Diffstat (limited to 'drivers/fpga')
| -rw-r--r-- | drivers/fpga/fpga.c | 4 | ||||
| -rw-r--r-- | drivers/fpga/xilinx.c | 23 |
2 files changed, 25 insertions, 2 deletions
diff --git a/drivers/fpga/fpga.c b/drivers/fpga/fpga.c index 244f503..f70bff6 100644 --- a/drivers/fpga/fpga.c +++ b/drivers/fpga/fpga.c @@ -72,8 +72,8 @@ static const fpga_desc *const fpga_get_desc(int devnum) * fpga_validate * generic parameter checking code */ -static const fpga_desc *const fpga_validate(int devnum, const void *buf, - size_t bsize, char *fn) +const fpga_desc *const fpga_validate(int devnum, const void *buf, + size_t bsize, char *fn) { const fpga_desc *desc = fpga_get_desc(devnum); diff --git a/drivers/fpga/xilinx.c b/drivers/fpga/xilinx.c index 496aa2f..49e9437 100644 --- a/drivers/fpga/xilinx.c +++ b/drivers/fpga/xilinx.c @@ -30,6 +30,7 @@ */ #include <common.h> +#include <fpga.h> #include <virtex2.h> #include <spartan2.h> #include <spartan3.h> @@ -58,8 +59,14 @@ int fpga_loadbitstream(int devnum, char *fpgadata, size_t size) char buffer[80]; unsigned char *dataptr; unsigned int i; + const fpga_desc *desc; + Xilinx_desc *xdesc; dataptr = (unsigned char *)fpgadata; + /* Find out fpga_description */ + desc = fpga_validate(devnum, dataptr, 0, (char *)__func__); + /* Assign xilinx device description */ + xdesc = desc->devdesc; /* skip the first bytes of the bitsteam, their meaning is unknown */ length = (*dataptr << 8) + *(dataptr + 1); @@ -93,6 +100,20 @@ int fpga_loadbitstream(int devnum, char *fpgadata, size_t size) dataptr += 2; for (i = 0; i < length; i++) buffer[i] = *dataptr++; + + if (xdesc->name) { + i = strncmp(buffer, xdesc->name, strlen(xdesc->name)); + if (i) { + printf("%s: Wrong bitstream ID for this device\n", + __func__); + printf("%s: Bitstream ID %s, current device ID %d/%s\n", + __func__, buffer, devnum, xdesc->name); + return FPGA_FAIL; + } + } else { + printf("%s: Please fill correct device ID to Xilinx_desc\n", + __func__); + } printf(" part number = \"%s\"\n", buffer); /* get date (identifier, length, string) */ @@ -306,6 +327,8 @@ int xilinx_info (Xilinx_desc * desc) printf ("Device Size: \t%d bytes\n" "Cookie: \t0x%x (%d)\n", desc->size, desc->cookie, desc->cookie); + if (desc->name) + printf("Device name: \t%s\n", desc->name); if (desc->iface_fns) { printf ("Device Function Table @ 0x%p\n", desc->iface_fns); |