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From: Jagan Teki <jteki@openedev.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH 6/8] sf: Add SECT_4K_PMC
Date: Sat, 19 Dec 2015 19:43:36 +0530	[thread overview]
Message-ID: <1450534418-5007-7-git-send-email-jteki@openedev.com> (raw)
In-Reply-To: <1450534418-5007-1-git-send-email-jteki@openedev.com>

Add SECT_4K_PMC for erase 4KiB block on PMC chips.

Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Jagan Teki <jteki@openedev.com>
---
 drivers/mtd/spi/sf_internal.h | 1 +
 drivers/mtd/spi/spi_flash.c   | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index 4b3a553..62f419f 100644
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -67,6 +67,7 @@ enum spi_nor_option_flags {
 
 /* Erase commands */
 #define CMD_ERASE_4K			0x20
+#define CMD_ERASE_4K_PMC		0xd7
 #define CMD_ERASE_32K			0x52
 #define CMD_ERASE_CHIP			0xc7
 #define CMD_ERASE_64K			0xd8
diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c
index 2b1ea6f..98c8cfe 100644
--- a/drivers/mtd/spi/spi_flash.c
+++ b/drivers/mtd/spi/spi_flash.c
@@ -1382,6 +1382,9 @@ int spi_flash_scan(struct spi_flash *flash)
 	if (info->flags & SECT_4K) {
 		flash->erase_cmd = CMD_ERASE_4K;
 		flash->erase_size = 4096 << flash->shift;
+	} else if (info->flags & SECT_4K_PMC) {
+		flash->erase_cmd = CMD_ERASE_4K_PMC;
+		flash->erase_size = 4096;
 	} else {
 		flash->erase_cmd = CMD_ERASE_64K;
 		flash->erase_size = flash->sector_size;
-- 
1.9.1

  parent reply	other threads:[~2015-12-19 14:13 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-19 14:13 [U-Boot] [PATCH 0/8] sf: Add flash_ids inside Core Jagan Teki
2015-12-19 14:13 ` [U-Boot] [PATCH 1/8] sf: Add spi_flash_ids local to core Jagan Teki
2015-12-28  4:22   ` Simon Glass
2015-12-28 14:08     ` Jagan Teki
2015-12-19 14:13 ` [U-Boot] [PATCH 2/8] sf: Rename SST_WR to SST_WRITE Jagan Teki
2015-12-19 14:13 ` [U-Boot] [PATCH 3/8] sf: Remove SPI_NOR_DUAL|QUAD_READ Jagan Teki
2015-12-19 14:13 ` [U-Boot] [PATCH 4/8] sf: Use sf_params in sandbox Jagan Teki
2015-12-19 14:13 ` [U-Boot] [PATCH 5/8] sf: Remove SECT_32K Jagan Teki
2015-12-19 14:13 ` Jagan Teki [this message]
2015-12-19 14:13 ` [U-Boot] [PATCH 7/8] sf: Use CONFIG_SPI_FLASH_USE_4K_SECTORS Jagan Teki
2015-12-19 14:13 ` [U-Boot] [PATCH 8/8] sf: Fix few naming convension for read modes Jagan Teki

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