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authorLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 16:00:54 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 16:00:54 -0800
commitdca1d9f6d7ae428c193f32bd3e9a4ca13176648b (patch)
tree02de8c3503c1c811754423d2fa3f3b4978044f6e /arch/arm/plat-samsung/include/plat/nand.h
parent9ff99339447de403a46be5e3f23d0c794d540b06 (diff)
parent91e013827c0bcbb187ecf02213c5446b6f62d445 (diff)
downloadlwn-dca1d9f6d7ae428c193f32bd3e9a4ca13176648b.tar.gz
lwn-dca1d9f6d7ae428c193f32bd3e9a4ca13176648b.zip
Merge branch 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'for-linus' of master.kernel.org:/home/rmk/linux-2.6-arm: (370 commits) ARM: S3C2443: Add set_rate and round_rate calls for armdiv clock ARM: S3C2443: Remove #if 0 for clk_mpll ARM: S3C2443: Update notes on MPLLREF clock ARM: S3C2443: Further clksrc-clk conversions ARM: S3C2443: Change to using plat-samsung clksrc-clk implementation USB: Fix s3c-hsotg build following Samsung platform header moves ARM: S3C64XX: Reintroduce unconditional build of audio device ARM: 5961/1: ux500: fix CLKRST addresses ARM: 5977/1: arm: Enable backtrace printing on oops when PC is corrupted ASoC: Fix S3C64xx IIS driver for Samsung header reorg ARM: S3C2440: Fix plat-s3c24xx move of s3c2440/s3c2442 support [ARM] pxa: fix typo in mxm8x10.h [ARM] pxa/raumfeld: set GPIO drive bits for LED pins [ARM] pxa/zeus: Add support for mcp2515 CAN bus [ARM] pxa/zeus: Add support for onboard max6369 watchdog [ARM] pxa/zeus: Add Eurotech as the manufacturer [ARM] pxa/zeus: Correct the USB host initialisation flags [ARM] pxa/zeus: Allow usage of 8250-compatible UART in uncompress [ARM] pxa: refactor uncompress.h for non-PXA uarts [ARM] mmp2: fix incorrect calling of chip->mask_ack() for 2nd level cascaded IRQs ...
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/nand.h')
-rw-r--r--arch/arm/plat-samsung/include/plat/nand.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/include/plat/nand.h b/arch/arm/plat-samsung/include/plat/nand.h
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+++ b/arch/arm/plat-samsung/include/plat/nand.h
@@ -0,0 +1,67 @@
+/* arch/arm/mach-s3c2410/include/mach/nand.h
+ *
+ * Copyright (c) 2004 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 - NAND device controller platfrom_device info
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/**
+ * struct s3c2410_nand_set - define a set of one or more nand chips
+ * @disable_ecc: Entirely disable ECC - Dangerous
+ * @flash_bbt: Openmoko u-boot can create a Bad Block Table
+ * Setting this flag will allow the kernel to
+ * look for it at boot time and also skip the NAND
+ * scan.
+ * @options: Default value to set into 'struct nand_chip' options.
+ * @nr_chips: Number of chips in this set
+ * @nr_partitions: Number of partitions pointed to by @partitions
+ * @name: Name of set (optional)
+ * @nr_map: Map for low-layer logical to physical chip numbers (option)
+ * @partitions: The mtd partition list
+ *
+ * define a set of one or more nand chips registered with an unique mtd. Also
+ * allows to pass flag to the underlying NAND layer. 'disable_ecc' will trigger
+ * a warning at boot time.
+ */
+struct s3c2410_nand_set {
+ unsigned int disable_ecc:1;
+ unsigned int flash_bbt:1;
+
+ unsigned int options;
+ int nr_chips;
+ int nr_partitions;
+ char *name;
+ int *nr_map;
+ struct mtd_partition *partitions;
+ struct nand_ecclayout *ecc_layout;
+};
+
+struct s3c2410_platform_nand {
+ /* timing information for controller, all times in nanoseconds */
+
+ int tacls; /* time for active CLE/ALE to nWE/nOE */
+ int twrph0; /* active time for nWE/nOE */
+ int twrph1; /* time for release CLE/ALE from nWE/nOE inactive */
+
+ unsigned int ignore_unset_ecc:1;
+
+ int nr_sets;
+ struct s3c2410_nand_set *sets;
+
+ void (*select_chip)(struct s3c2410_nand_set *,
+ int chip);
+};
+
+/**
+ * s3c_nand_set_platdata() - register NAND platform data.
+ * @nand: The NAND platform data to register with s3c_device_nand.
+ *
+ * This function copies the given NAND platform data, @nand and registers
+ * it with the s3c_device_nand. This allows @nand to be __initdata.
+*/
+extern void s3c_nand_set_platdata(struct s3c2410_platform_nand *nand);