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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/tools/atmel_pmecc_params.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/tools/atmel_pmecc_params.c')
-rw-r--r--roms/u-boot/tools/atmel_pmecc_params.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/roms/u-boot/tools/atmel_pmecc_params.c b/roms/u-boot/tools/atmel_pmecc_params.c
new file mode 100644
index 000000000..a4ae03f0f
--- /dev/null
+++ b/roms/u-boot/tools/atmel_pmecc_params.c
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2014 Andreas Bießmann <andreas@biessmann.org>
+ */
+
+/*
+ * This is a host tool for generating an appropriate string out of board
+ * configuration. The string is required for correct generation of PMECC
+ * header which in turn is required for NAND flash booting of Atmel AT91 style
+ * hardware.
+ *
+ * See doc/README.atmel_pmecc for more information.
+ */
+
+#include <config.h>
+#include <stdlib.h>
+
+static int pmecc_get_ecc_bytes(int cap, int sector_size)
+{
+ int m = 12 + sector_size / 512;
+ return (m * cap + 7) / 8;
+}
+
+int main(int argc, char *argv[])
+{
+ unsigned int use_pmecc = 0;
+ unsigned int sector_per_page;
+ unsigned int sector_size = CONFIG_PMECC_SECTOR_SIZE;
+ unsigned int oob_size = CONFIG_SYS_NAND_OOBSIZE;
+ unsigned int ecc_bits = CONFIG_PMECC_CAP;
+ unsigned int ecc_offset;
+
+#ifdef CONFIG_ATMEL_NAND_HW_PMECC
+ use_pmecc = 1;
+#endif
+
+ sector_per_page = CONFIG_SYS_NAND_PAGE_SIZE / CONFIG_PMECC_SECTOR_SIZE;
+ ecc_offset = oob_size -
+ pmecc_get_ecc_bytes(ecc_bits, sector_size) * sector_per_page;
+
+ printf("usePmecc=%d,", use_pmecc);
+ printf("sectorPerPage=%d,", sector_per_page);
+ printf("sectorSize=%d,", sector_size);
+ printf("spareSize=%d,", oob_size);
+ printf("eccBits=%d,", ecc_bits);
+ printf("eccOffset=%d", ecc_offset);
+ printf("\n");
+
+ exit(EXIT_SUCCESS);
+}