diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.10/0117-mtd-nand-pxa3xx-Support-command-buffer-3.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.10/0117-mtd-nand-pxa3xx-Support-command-buffer-3.patch | 59 |
1 files changed, 0 insertions, 59 deletions
diff --git a/target/linux/mvebu/patches-3.10/0117-mtd-nand-pxa3xx-Support-command-buffer-3.patch b/target/linux/mvebu/patches-3.10/0117-mtd-nand-pxa3xx-Support-command-buffer-3.patch deleted file mode 100644 index f9d2d31aff..0000000000 --- a/target/linux/mvebu/patches-3.10/0117-mtd-nand-pxa3xx-Support-command-buffer-3.patch +++ /dev/null @@ -1,59 +0,0 @@ -From 6bbda039fe5e9d1b3c04f4f0dd8479a2c102d28e Mon Sep 17 00:00:00 2001 -From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Date: Mon, 12 Aug 2013 14:14:50 -0300 -Subject: [PATCH 117/203] mtd: nand: pxa3xx: Support command buffer #3 - -Some newer controllers support a fourth command buffer. This additional -command buffer allows to set an arbitrary length count, using the -NDCB3.NDLENCNT field, to perform non-standard length operations -such as the ONFI parameter page read. - -Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Tested-by: Daniel Mack <zonque@gmail.com> -Signed-off-by: Brian Norris <computersforpeace@gmail.com> -Signed-off-by: David Woodhouse <David.Woodhouse@intel.com> ---- - drivers/mtd/nand/pxa3xx_nand.c | 15 +++++++++++++++ - 1 file changed, 15 insertions(+) - ---- a/drivers/mtd/nand/pxa3xx_nand.c -+++ b/drivers/mtd/nand/pxa3xx_nand.c -@@ -197,6 +197,7 @@ struct pxa3xx_nand_info { - uint32_t ndcb0; - uint32_t ndcb1; - uint32_t ndcb2; -+ uint32_t ndcb3; - }; - - static bool use_dma = 1; -@@ -493,9 +494,22 @@ static irqreturn_t pxa3xx_nand_irq(int i - nand_writel(info, NDSR, NDSR_WRCMDREQ); - status &= ~NDSR_WRCMDREQ; - info->state = STATE_CMD_HANDLE; -+ -+ /* -+ * Command buffer registers NDCB{0-2} (and optionally NDCB3) -+ * must be loaded by writing directly either 12 or 16 -+ * bytes directly to NDCB0, four bytes at a time. -+ * -+ * Direct write access to NDCB1, NDCB2 and NDCB3 is ignored -+ * but each NDCBx register can be read. -+ */ - nand_writel(info, NDCB0, info->ndcb0); - nand_writel(info, NDCB0, info->ndcb1); - nand_writel(info, NDCB0, info->ndcb2); -+ -+ /* NDCB3 register is available in NFCv2 (Armada 370/XP SoC) */ -+ if (info->variant == PXA3XX_NAND_VARIANT_ARMADA370) -+ nand_writel(info, NDCB0, info->ndcb3); - } - - /* clear NDSR to let the controller exit the IRQ */ -@@ -554,6 +568,7 @@ static int prepare_command_pool(struct p - default: - info->ndcb1 = 0; - info->ndcb2 = 0; -+ info->ndcb3 = 0; - break; - } - |