On 13 Aug 2014, scottw...@freescale.com wrote:
On Tue, 2014-08-12 at 18:58 -0400, Bill Pringlemeir wrote:
On 12 Aug 2014, scottw...@freescale.com wrote:
On Tue, 2014-08-12 at 23:13 +0200, Stefan Agner wrote:
Am 2014-08-12 00:33, schrieb Scott Wood:
You should always be using raw I/O
On 13 Aug 2014, scottw...@freescale.com wrote:
On Wed, 2014-08-13 at 17:44 -0400, Bill Pringlemeir wrote:
Regarding can't know in advance, I think that some of the register
values maybe set by the boot rom. This might make more sense for
Linux than U-Boot. However, after the initial
Am 2014-08-13 00:58, schrieb Bill Pringlemeir:
On 12 Aug 2014, scottw...@freescale.com wrote:
On Tue, 2014-08-12 at 23:13 +0200, Stefan Agner wrote:
Am 2014-08-12 00:33, schrieb Scott Wood:
On Wed, 2014-08-06 at 10:59 +0200, Stefan Agner wrote:
This adds initial support for Freescale NFC
On 12 Aug 2014, scottw...@freescale.com wrote:
On Tue, 2014-08-12 at 23:13 +0200, Stefan Agner wrote:
Am 2014-08-12 00:33, schrieb Scott Wood:
On Wed, 2014-08-06 at 10:59 +0200, Stefan Agner wrote:
This adds initial support for Freescale NFC (NAND Flash
Controller). The IP is used in ARM
Am 2014-08-13 00:58, schrieb Bill Pringlemeir:
[snip]
+static u32 nfc_read(struct mtd_info *mtd, uint reg)
+{
+ struct fsl_nfc *nfc = mtd_to_nfc(mtd);
+
+ if (reg == NFC_FLASH_STATUS1 ||
+ reg == NFC_FLASH_STATUS2 ||
+ reg == NFC_IRQ_STATUS)
+ return __raw_readl(nfc-regs +
On 13 Aug 2014, ste...@agner.ch wrote:
Am 2014-08-13 00:58, schrieb Bill Pringlemeir:
[snip]
+static u32 nfc_read(struct mtd_info *mtd, uint reg)
+{
+struct fsl_nfc *nfc = mtd_to_nfc(mtd);
+
+if (reg == NFC_FLASH_STATUS1 ||
+reg == NFC_FLASH_STATUS2 ||
+
Am 2014-08-13 17:14, schrieb Bill Pringlemeir:
On 13 Aug 2014, ste...@agner.ch wrote:
Am 2014-08-13 00:58, schrieb Bill Pringlemeir:
[snip]
+static u32 nfc_read(struct mtd_info *mtd, uint reg)
+{
+ struct fsl_nfc *nfc = mtd_to_nfc(mtd);
+
+ if (reg == NFC_FLASH_STATUS1 ||
+
On 13 Aug 2014, ste...@agner.ch wrote:
Funny is, the size is bigger in the first uninlined case... Maybe GCC
inlined the function only for some calls, I did not checked that...
With if/else
text data bss dec hex filename
2395 2904 0529914b3
On Wed, 2014-08-13 at 13:20 +0200, Stefan Agner wrote:
IMHO we should use the raw_writel only and hand optimize for functions
which are used often. For the initialization/configuration functions,
there is little value to save some register access.
raw_writel() is itself something that should
On Tue, 2014-08-12 at 18:58 -0400, Bill Pringlemeir wrote:
On 12 Aug 2014, scottw...@freescale.com wrote:
On Tue, 2014-08-12 at 23:13 +0200, Stefan Agner wrote:
Am 2014-08-12 00:33, schrieb Scott Wood:
You should always be using raw I/O accessors. If the intent is to
bypass I/O
On Wed, 2014-08-13 at 17:44 -0400, Bill Pringlemeir wrote:
Regarding can't know in advance, I think that some of the register
values maybe set by the boot rom. This might make more sense for Linux
than U-Boot. However, after the initial configuration, many do need the
'read/modify/write' as
Am 2014-08-12 00:33, schrieb Scott Wood:
On Wed, 2014-08-06 at 10:59 +0200, Stefan Agner wrote:
This adds initial support for Freescale NFC (NAND Flash Controller).
The IP is used in ARM based Vybrid SoCs as well as on some PowerPC
devices. This driver is only tested on Vybrid.
On Tue, 2014-08-12 at 23:13 +0200, Stefan Agner wrote:
Am 2014-08-12 00:33, schrieb Scott Wood:
On Wed, 2014-08-06 at 10:59 +0200, Stefan Agner wrote:
This adds initial support for Freescale NFC (NAND Flash Controller).
The IP is used in ARM based Vybrid SoCs as well as on some PowerPC
On Wed, 2014-08-06 at 10:59 +0200, Stefan Agner wrote:
This adds initial support for Freescale NFC (NAND Flash Controller).
The IP is used in ARM based Vybrid SoCs as well as on some PowerPC
devices. This driver is only tested on Vybrid.
Signed-off-by: Stefan Agner ste...@agner.ch
---
This adds initial support for Freescale NFC (NAND Flash Controller).
The IP is used in ARM based Vybrid SoCs as well as on some PowerPC
devices. This driver is only tested on Vybrid.
Signed-off-by: Stefan Agner ste...@agner.ch
---
drivers/mtd/nand/Makefile | 1 +
drivers/mtd/nand/fsl_nfc.c |
On 6 Aug 2014, ste...@agner.ch wrote:
This adds initial support for Freescale NFC (NAND Flash Controller).
The IP is used in ARM based Vybrid SoCs as well as on some PowerPC
devices. This driver is only tested on Vybrid.
Signed-off-by: Stefan Agner ste...@agner.ch
---
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