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kernel: update m25p80 in 4.1 to the latest version from 4.4-rc1

Browse source 
Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 47624
This commit is contained in:
Felix Fietkau 2015-11-24 18:59:28 +00:00
parent 18691109df
commit bb1c915f1e
24 changed files with 1980 additions and 140 deletions
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6
target/linux/ar71xx/patches-4.1/407-mtd-m25p80-allow-to-pass-probe-types-via-platform-data.patch
View file

@ -1,11 +1,11 @@
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -234,7 +234,9 @@ static int m25p_probe(struct spi_device
@@ -229,7 +229,9 @@ static int m25p_probe(struct spi_device
ppdata.of_node = spi->dev.of_node;
- return mtd_device_parse_register(&flash->mtd, NULL, &ppdata,
+ return mtd_device_parse_register(&flash->mtd,
- return mtd_device_parse_register(&nor->mtd, NULL, &ppdata,
+ return mtd_device_parse_register(&nor->mtd,
+ data ? data->part_probes : NULL,
+ &ppdata,
data ? data->parts : NULL,

4
target/linux/ar71xx/patches-4.1/412-mtd-m25p80-zero-partition-parser-data.patch
View file

@ -1,10 +1,10 @@
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -232,6 +232,7 @@ static int m25p_probe(struct spi_device
@@ -227,6 +227,7 @@ static int m25p_probe(struct spi_device
if (ret)
return ret;
+ memset(&ppdata, '\0', sizeof(ppdata));
ppdata.of_node = spi->dev.of_node;
return mtd_device_parse_register(&flash->mtd,
return mtd_device_parse_register(&nor->mtd,

2
target/linux/ar71xx/patches-4.1/462-mtd-m25p80-set-spi-transfer-type.patch
View file

@ -1,6 +1,6 @@
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -139,10 +139,12 @@ static int m25p80_read(struct spi_nor *n
@@ -137,10 +137,12 @@ static int m25p80_read(struct spi_nor *n
flash->command[0] = nor->read_opcode;
m25p_addr2cmd(nor, from, flash->command);

2
target/linux/ar71xx/patches-4.1/464-spi-ath79-fix-fast-flash-read.patch
View file

@ -1,6 +1,6 @@
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -139,6 +139,9 @@ static int m25p80_read(struct spi_nor *n
@@ -137,6 +137,9 @@ static int m25p80_read(struct spi_nor *n
flash->command[0] = nor->read_opcode;
m25p_addr2cmd(nor, from, flash->command);

6
target/linux/ar71xx/patches-4.1/799-MIPS-ath79-add-minibox-v1-support.patch
View file

@ -1,6 +1,6 @@
--- a/arch/mips/ath79/machtypes.h
+++ b/arch/mips/ath79/machtypes.h
@@ -69,6 +69,7 @@ enum ath79_mach_type {
@@ -70,6 +70,7 @@ enum ath79_mach_type {
ATH79_MACH_EPG5000, /* EnGenius EPG5000 */
ATH79_MACH_F9K1115V2, /* Belkin AC1750DB */
ATH79_MACH_GL_INET, /* GL-CONNECT GL-INET */
@ -10,7 +10,7 @@
ATH79_MACH_JA76PF, /* jjPlus JA76PF */
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -556,6 +556,16 @@ config ATH79_MACH_EAP300V2
@@ -565,6 +565,16 @@ config ATH79_MACH_EAP300V2
select ATH79_DEV_M25P80
select ATH79_DEV_WMAC
@ -29,7 +29,7 @@
select SOC_AR933X
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -80,6 +80,7 @@ obj-$(CONFIG_ATH79_MACH_EPG5000) += mach
@@ -81,6 +81,7 @@ obj-$(CONFIG_ATH79_MACH_EPG5000) += mach
obj-$(CONFIG_ATH79_MACH_ESR1750) += mach-esr1750.o
obj-$(CONFIG_ATH79_MACH_F9K1115V2) += mach-f9k1115v2.o
obj-$(CONFIG_ATH79_MACH_GL_INET) += mach-gl-inet.o

2
target/linux/ar71xx/patches-4.1/814-MIPS-ath79-add-blackswift.patch
View file

@ -1,6 +1,6 @@
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -914,6 +914,16 @@ config ATH79_MACH_EAP7660D
@@ -923,6 +923,16 @@ config ATH79_MACH_EAP7660D
select ATH79_DEV_LEDS_GPIO
select ATH79_DEV_M25P80

6
target/linux/ar71xx/patches-4.1/814-MIPS-ath79-add-tplink-tl-wdr6500-v2-support.patch
View file

@ -1,6 +1,6 @@
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -1063,6 +1063,17 @@ config ATH79_MACH_TL_WDR4300
@@ -1072,6 +1072,17 @@ config ATH79_MACH_TL_WDR4300
select ATH79_DEV_USB
select ATH79_DEV_WMAC
@ -20,7 +20,7 @@
select SOC_AR933X
--- a/arch/mips/ath79/machtypes.h
+++ b/arch/mips/ath79/machtypes.h
@@ -156,6 +156,7 @@ enum ath79_mach_type {
@@ -158,6 +158,7 @@ enum ath79_mach_type {
ATH79_MACH_TL_WA901ND_V3, /* TP-LINK TL-WA901ND v3 */
ATH79_MACH_TL_WDR3500, /* TP-LINK TL-WDR3500 */
ATH79_MACH_TL_WDR4300, /* TP-LINK TL-WDR4300 */
@ -30,7 +30,7 @@
ATH79_MACH_TL_WR1043ND, /* TP-LINK TL-WR1043ND */
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -132,6 +132,7 @@ obj-$(CONFIG_ATH79_MACH_TL_WA901ND) += m
@@ -133,6 +133,7 @@ obj-$(CONFIG_ATH79_MACH_TL_WA901ND) += m
obj-$(CONFIG_ATH79_MACH_TL_WA901ND_V2) += mach-tl-wa901nd-v2.o
obj-$(CONFIG_ATH79_MACH_TL_WDR3500) += mach-tl-wdr3500.o
obj-$(CONFIG_ATH79_MACH_TL_WDR4300) += mach-tl-wdr4300.o

6
target/linux/ar71xx/patches-4.1/815-MIPS-ath79-add-mr1750-support.patch
View file

@ -1,6 +1,6 @@
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -910,6 +910,16 @@ config ATH79_MACH_CAP4200AG
@@ -919,6 +919,16 @@ config ATH79_MACH_CAP4200AG
select ATH79_DEV_M25P80
select ATH79_DEV_WMAC
@ -19,7 +19,7 @@
select SOC_QCA955X
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -92,6 +92,7 @@ obj-$(CONFIG_ATH79_MACH_HORNET_UB) += ma
@@ -93,6 +93,7 @@ obj-$(CONFIG_ATH79_MACH_HORNET_UB) += ma
obj-$(CONFIG_ATH79_MACH_MC_MAC1200R) += mach-mc-mac1200r.o
obj-$(CONFIG_ATH79_MACH_MR12) += mach-mr12.o
obj-$(CONFIG_ATH79_MACH_MR16) += mach-mr16.o
@ -29,7 +29,7 @@
obj-$(CONFIG_ATH79_MACH_MYNET_N600) += mach-mynet-n600.o
--- a/arch/mips/ath79/machtypes.h
+++ b/arch/mips/ath79/machtypes.h
@@ -81,6 +81,7 @@ enum ath79_mach_type {
@@ -82,6 +82,7 @@ enum ath79_mach_type {
ATH79_MACH_HORNET_UB, /* ALFA Networks Hornet-UB */
ATH79_MACH_MR12, /* Cisco Meraki MR12 */
ATH79_MACH_MR16, /* Cisco Meraki MR16 */

6
target/linux/ar71xx/patches-4.1/816-MIPS-ath79-add-tl-wdr3320-v2-support.patch
View file

@ -1,6 +1,6 @@
--- a/arch/mips/ath79/Kconfig
+++ b/arch/mips/ath79/Kconfig
@@ -1065,6 +1065,17 @@ config ATH79_MACH_TL_WA901ND_V2
@@ -1074,6 +1074,17 @@ config ATH79_MACH_TL_WA901ND_V2
select ATH79_DEV_M25P80
select ATH79_DEV_WMAC
@ -20,7 +20,7 @@
select SOC_AR934X
--- a/arch/mips/ath79/machtypes.h
+++ b/arch/mips/ath79/machtypes.h
@@ -156,6 +156,7 @@ enum ath79_mach_type {
@@ -158,6 +158,7 @@ enum ath79_mach_type {
ATH79_MACH_TL_WA901ND, /* TP-LINK TL-WA901ND */
ATH79_MACH_TL_WA901ND_V2, /* TP-LINK TL-WA901ND v2 */
ATH79_MACH_TL_WA901ND_V3, /* TP-LINK TL-WA901ND v3 */
@ -30,7 +30,7 @@
ATH79_MACH_TL_WDR6500_V2, /* TP-LINK TL-WDR6500 v2 */
--- a/arch/mips/ath79/Makefile
+++ b/arch/mips/ath79/Makefile
@@ -132,6 +132,7 @@ obj-$(CONFIG_ATH79_MACH_TL_WA7210N_V2) +
@@ -133,6 +133,7 @@ obj-$(CONFIG_ATH79_MACH_TL_WA7210N_V2) +
obj-$(CONFIG_ATH79_MACH_TL_WA830RE_V2) += mach-tl-wa830re-v2.o
obj-$(CONFIG_ATH79_MACH_TL_WA901ND) += mach-tl-wa901nd.o
obj-$(CONFIG_ATH79_MACH_TL_WA901ND_V2) += mach-tl-wa901nd-v2.o

6
target/linux/brcm63xx/patches-4.1/202-MTD-DEVICES-m25p80-use-parsers-if-provided-in-flash-.patch
View file

@ -11,12 +11,12 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -234,7 +234,8 @@ static int m25p_probe(struct spi_device
@@ -229,7 +229,8 @@ static int m25p_probe(struct spi_device
ppdata.of_node = spi->dev.of_node;
- return mtd_device_parse_register(&flash->mtd, NULL, &ppdata,
+ return mtd_device_parse_register(&flash->mtd,
- return mtd_device_parse_register(&nor->mtd, NULL, &ppdata,
+ return mtd_device_parse_register(&nor->mtd,
+ data ? data->part_probe_types : NULL, &ppdata,
data ? data->parts : NULL,
data ? data->nr_parts : 0);

10
target/linux/brcm63xx/patches-4.1/203-MTD-DEVICES-m25p80-add-support-for-limiting-reads.patch
View file

@ -11,15 +11,15 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -32,6 +32,7 @@ struct m25p {
@@ -31,6 +31,7 @@
struct m25p {
struct spi_device *spi;
struct spi_nor spi_nor;
struct mtd_info mtd;
+ int max_transfer_len;
u8 command[MAX_CMD_SIZE];
};
@@ -121,7 +122,7 @@ static inline unsigned int m25p80_rx_nbi
@@ -119,7 +120,7 @@ static inline unsigned int m25p80_rx_nbi
* Read an address range from the nor chip. The address range
* may be any size provided it is within the physical boundaries.
*/
@ -28,7 +28,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
size_t *retlen, u_char *buf)
{
struct m25p *flash = nor->priv;
@@ -154,6 +155,29 @@ static int m25p80_read(struct spi_nor *n
@@ -152,6 +153,29 @@ static int m25p80_read(struct spi_nor *n
return 0;
}
@ -58,7 +58,7 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
static int m25p80_erase(struct spi_nor *nor, loff_t offset)
{
struct m25p *flash = nor->priv;
@@ -228,6 +252,9 @@ static int m25p_probe(struct spi_device
@@ -223,6 +247,9 @@ static int m25p_probe(struct spi_device
else
flash_name = spi->modalias;

2
target/linux/brcm63xx/patches-4.1/414-MTD-m25p80-allow-passing-pp_data.patch
View file

@ -10,7 +10,7 @@ Subject: [PATCH 64/79] MTD: m25p80: allow passing pp_data
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -255,6 +255,9 @@ static int m25p_probe(struct spi_device
@@ -250,6 +250,9 @@ static int m25p_probe(struct spi_device
if (data)
flash->max_transfer_len = data->max_transfer_len;

1129
target/linux/generic/patches-4.1/090-m25p80_spi-nor_update_to_4.4rc1.patch Normal file
View file

File diff suppressed because it is too large Load diff

10
target/linux/generic/patches-4.1/091-mtd-spi-nor-add-support-Spansion_S25FL164K
View file

@ -1,10 +0,0 @@
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -614,6 +614,7 @@ static const struct spi_device_id spi_no
{ "s25fl016k", INFO(0xef4015, 0, 64 * 1024, 32, SECT_4K) },
{ "s25fl064k", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) },
{ "s25fl132k", INFO(0x014016, 0, 64 * 1024, 64, 0) },
+ { "s25fl164k", INFO(0x014017, 0, 64 * 1024, 128, SECT_4K) },
/* SST -- large erase sizes are "overlays", "sectors" are 4K */
{ "sst25vf040b", INFO(0xbf258d, 0, 64 * 1024, 8, SECT_4K | SST_WRITE) },

9
target/linux/generic/patches-4.1/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
View file

@ -50,8 +50,6 @@ Signed-off-by: Petr Štetiar <ynezz@true.cz>
drivers/usb/serial/qcserial.c | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index ebcec8c..d462132 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -22,6 +22,8 @@
@ -63,7 +61,7 @@ index ebcec8c..d462132 100644
/* standard device layouts supported by this driver */
enum qcserial_layouts {
QCSERIAL_G2K = 0, /* Gobi 2000 */
@@ -167,6 +169,38 @@ static const struct usb_device_id id_table[] = {
@@ -167,6 +169,38 @@ static const struct usb_device_id id_tab
};
MODULE_DEVICE_TABLE(usb, id_table);
@ -102,7 +100,7 @@ index ebcec8c..d462132 100644
static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
{
struct usb_host_interface *intf = serial->interface->cur_altsetting;
@@ -235,6 +269,11 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
@@ -235,6 +269,11 @@ static int qcprobe(struct usb_serial *se
altsetting = -1;
break;
case QCSERIAL_G2K:
@ -114,6 +112,3 @@ index ebcec8c..d462132 100644
/*
* Gobi 2K+ USB layout:
* 0: QMI/net
--
1.7.9.5

11
target/linux/generic/patches-4.1/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
View file

@ -46,11 +46,9 @@ Signed-off-by: Petr Štetiar <ynezz@true.cz>
drivers/net/usb/qmi_wwan.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 2a7c1be..b81a32c 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -822,6 +822,7 @@ static const struct usb_device_id products[] = {
@@ -815,6 +815,7 @@ static const struct usb_device_id produc
{QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
{QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
{QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
@ -58,7 +56,7 @@ index 2a7c1be..b81a32c 100644
{QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
{QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
{QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
@@ -853,10 +854,24 @@ static const struct usb_device_id products[] = {
@@ -846,10 +847,24 @@ static const struct usb_device_id produc
};
MODULE_DEVICE_TABLE(usb, products);
@ -83,7 +81,7 @@ index 2a7c1be..b81a32c 100644
/* Workaround to enable dynamic IDs. This disables usbnet
* blacklisting functionality. Which, if required, can be
@@ -868,6 +883,12 @@ static int qmi_wwan_probe(struct usb_interface *intf,
@@ -861,6 +876,12 @@ static int qmi_wwan_probe(struct usb_int
id->driver_info = (unsigned long)&qmi_wwan_info;
}
@ -96,6 +94,3 @@ index 2a7c1be..b81a32c 100644
return usbnet_probe(intf, id);
}
--
1.7.9.5

21
target/linux/generic/patches-4.1/473-mtd-spi-nor-add-support-for-the-Macronix-MX25L512E-S.patch
View file

@ -1,21 +0,0 @@
From 0d7388de0911c1a4fc4a8a3898ef9d0ab818ca08 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Tue, 7 Apr 2015 18:35:15 +0200
Subject: [PATCH] mtd: spi-nor: add support for the Macronix MX25L512E SPI
flash chip
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
drivers/mtd/spi-nor/spi-nor.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -561,6 +561,7 @@ static const struct spi_device_id spi_no
{ "640s33b", INFO(0x898913, 0, 64 * 1024, 128, 0) },
/* Macronix */
+ { "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) },
{ "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) },
{ "mx25l4005a", INFO(0xc22013, 0, 64 * 1024, 8, SECT_4K) },
{ "mx25l8005", INFO(0xc22014, 0, 64 * 1024, 16, 0) },

22
target/linux/generic/patches-4.1/474-mtd-spi-nor-add-support-for-the-ISSI-SI25CD512-SPI-f.patch
View file

@ -1,22 +0,0 @@
From 34e2b403040a2f9d3ba071d95a7f42457e2950f9 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Tue, 7 Apr 2015 18:35:15 +0200
Subject: [PATCH] mtd: spi-nor: add support for the ISSI SI25CD512 SPI flash
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
drivers/mtd/spi-nor/spi-nor.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -560,6 +560,9 @@ static const struct spi_device_id spi_no
{ "320s33b", INFO(0x898912, 0, 64 * 1024, 64, 0) },
{ "640s33b", INFO(0x898913, 0, 64 * 1024, 128, 0) },
+ /* ISSI */
+ { "is25cd512", INFO(0x7f9d20, 0, 32 * 1024, 2, SECT_4K) },
+
/* Macronix */
{ "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) },
{ "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) },

808
target/linux/generic/patches-4.3/090-m25p80_spi-nor_update_to_4.4rc1.patch Normal file
View file

@ -0,0 +1,808 @@
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -31,7 +31,6 @@
struct m25p {
struct spi_device *spi;
struct spi_nor spi_nor;
- struct mtd_info mtd;
u8 command[MAX_CMD_SIZE];
};
@@ -62,8 +61,7 @@ static int m25p_cmdsz(struct spi_nor *no
return 1 + nor->addr_width;
}
-static int m25p80_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len,
- int wr_en)
+static int m25p80_write_reg(struct spi_nor *nor, u8 opcode, u8 *buf, int len)
{
struct m25p *flash = nor->priv;
struct spi_device *spi = flash->spi;
@@ -159,7 +157,7 @@ static int m25p80_erase(struct spi_nor *
struct m25p *flash = nor->priv;
dev_dbg(nor->dev, "%dKiB at 0x%08x\n",
- flash->mtd.erasesize / 1024, (u32)offset);
+ flash->spi_nor.mtd.erasesize / 1024, (u32)offset);
/* Set up command buffer. */
flash->command[0] = nor->erase_opcode;
@@ -201,11 +199,10 @@ static int m25p_probe(struct spi_device
nor->read_reg = m25p80_read_reg;
nor->dev = &spi->dev;
- nor->mtd = &flash->mtd;
+ nor->flash_node = spi->dev.of_node;
nor->priv = flash;
spi_set_drvdata(spi, flash);
- flash->mtd.priv = nor;
flash->spi = spi;
if (spi->mode & SPI_RX_QUAD)
@@ -214,7 +211,7 @@ static int m25p_probe(struct spi_device
mode = SPI_NOR_DUAL;
if (data && data->name)
- flash->mtd.name = data->name;
+ nor->mtd.name = data->name;
/* For some (historical?) reason many platforms provide two different
* names in flash_platform_data: "name" and "type". Quite often name is
@@ -232,7 +229,7 @@ static int m25p_probe(struct spi_device
ppdata.of_node = spi->dev.of_node;
- return mtd_device_parse_register(&flash->mtd, NULL, &ppdata,
+ return mtd_device_parse_register(&nor->mtd, NULL, &ppdata,
data ? data->parts : NULL,
data ? data->nr_parts : 0);
}
@@ -243,7 +240,7 @@ static int m25p_remove(struct spi_device
struct m25p *flash = spi_get_drvdata(spi);
/* Clean up MTD stuff. */
- return mtd_device_unregister(&flash->mtd);
+ return mtd_device_unregister(&flash->spi_nor.mtd);
}
/*
@@ -304,7 +301,6 @@ MODULE_DEVICE_TABLE(of, m25p_of_table);
static struct spi_driver m25p80_driver = {
.driver = {
.name = "m25p80",
- .owner = THIS_MODULE,
.of_match_table = m25p_of_table,
},
.id_table = m25p_ids,
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -16,15 +16,26 @@
#include <linux/device.h>
#include <linux/mutex.h>
#include <linux/math64.h>
+#include <linux/sizes.h>
-#include <linux/mtd/cfi.h>
#include <linux/mtd/mtd.h>
#include <linux/of_platform.h>
#include <linux/spi/flash.h>
#include <linux/mtd/spi-nor.h>
/* Define max times to check status register before we give up. */
-#define MAX_READY_WAIT_JIFFIES (40 * HZ) /* M25P16 specs 40s max chip erase */
+
+/*
+ * For everything but full-chip erase; probably could be much smaller, but kept
+ * around for safety for now
+ */
+#define DEFAULT_READY_WAIT_JIFFIES (40UL * HZ)
+
+/*
+ * For full-chip erase, calibrated to a 2MB flash (M25P16); should be scaled up
+ * for larger flash
+ */
+#define CHIP_ERASE_2MB_READY_WAIT_JIFFIES (40UL * HZ)
#define SPI_NOR_MAX_ID_LEN 6
@@ -145,7 +156,7 @@ static inline int spi_nor_read_dummy_cyc
static inline int write_sr(struct spi_nor *nor, u8 val)
{
nor->cmd_buf[0] = val;
- return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 1, 0);
+ return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 1);
}
/*
@@ -154,7 +165,7 @@ static inline int write_sr(struct spi_no
*/
static inline int write_enable(struct spi_nor *nor)
{
- return nor->write_reg(nor, SPINOR_OP_WREN, NULL, 0, 0);
+ return nor->write_reg(nor, SPINOR_OP_WREN, NULL, 0);
}
/*
@@ -162,7 +173,7 @@ static inline int write_enable(struct sp
*/
static inline int write_disable(struct spi_nor *nor)
{
- return nor->write_reg(nor, SPINOR_OP_WRDI, NULL, 0, 0);
+ return nor->write_reg(nor, SPINOR_OP_WRDI, NULL, 0);
}
static inline struct spi_nor *mtd_to_spi_nor(struct mtd_info *mtd)
@@ -179,16 +190,16 @@ static inline int set_4byte(struct spi_n
u8 cmd;
switch (JEDEC_MFR(info)) {
- case CFI_MFR_ST: /* Micron, actually */
+ case SNOR_MFR_MICRON:
/* Some Micron need WREN command; all will accept it */
need_wren = true;
- case CFI_MFR_MACRONIX:
- case 0xEF /* winbond */:
+ case SNOR_MFR_MACRONIX:
+ case SNOR_MFR_WINBOND:
if (need_wren)
write_enable(nor);
cmd = enable ? SPINOR_OP_EN4B : SPINOR_OP_EX4B;
- status = nor->write_reg(nor, cmd, NULL, 0, 0);
+ status = nor->write_reg(nor, cmd, NULL, 0);
if (need_wren)
write_disable(nor);
@@ -196,7 +207,7 @@ static inline int set_4byte(struct spi_n
default:
/* Spansion style */
nor->cmd_buf[0] = enable << 7;
- return nor->write_reg(nor, SPINOR_OP_BRWR, nor->cmd_buf, 1, 0);
+ return nor->write_reg(nor, SPINOR_OP_BRWR, nor->cmd_buf, 1);
}
}
static inline int spi_nor_sr_ready(struct spi_nor *nor)
@@ -233,12 +244,13 @@ static int spi_nor_ready(struct spi_nor
* Service routine to read status register until ready, or timeout occurs.
* Returns non-zero if error.
*/
-static int spi_nor_wait_till_ready(struct spi_nor *nor)
+static int spi_nor_wait_till_ready_with_timeout(struct spi_nor *nor,
+ unsigned long timeout_jiffies)
{
unsigned long deadline;
int timeout = 0, ret;
- deadline = jiffies + MAX_READY_WAIT_JIFFIES;
+ deadline = jiffies + timeout_jiffies;
while (!timeout) {
if (time_after_eq(jiffies, deadline))
@@ -258,6 +270,12 @@ static int spi_nor_wait_till_ready(struc
return -ETIMEDOUT;
}
+static int spi_nor_wait_till_ready(struct spi_nor *nor)
+{
+ return spi_nor_wait_till_ready_with_timeout(nor,
+ DEFAULT_READY_WAIT_JIFFIES);
+}
+
/*
* Erase the whole flash memory
*
@@ -265,9 +283,9 @@ static int spi_nor_wait_till_ready(struc
*/
static int erase_chip(struct spi_nor *nor)
{
- dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd->size >> 10));
+ dev_dbg(nor->dev, " %lldKiB\n", (long long)(nor->mtd.size >> 10));
- return nor->write_reg(nor, SPINOR_OP_CHIP_ERASE, NULL, 0, 0);
+ return nor->write_reg(nor, SPINOR_OP_CHIP_ERASE, NULL, 0);
}
static int spi_nor_lock_and_prep(struct spi_nor *nor, enum spi_nor_ops ops)
@@ -321,6 +339,8 @@ static int spi_nor_erase(struct mtd_info
/* whole-chip erase? */
if (len == mtd->size) {
+ unsigned long timeout;
+
write_enable(nor);
if (erase_chip(nor)) {
@@ -328,7 +348,16 @@ static int spi_nor_erase(struct mtd_info
goto erase_err;
}
- ret = spi_nor_wait_till_ready(nor);
+ /*
+ * Scale the timeout linearly with the size of the flash, with
+ * a minimum calibrated to an old 2MB flash. We could try to
+ * pull these from CFI/SFDP, but these values should be good
+ * enough for now.
+ */
+ timeout = max(CHIP_ERASE_2MB_READY_WAIT_JIFFIES,
+ CHIP_ERASE_2MB_READY_WAIT_JIFFIES *
+ (unsigned long)(mtd->size / SZ_2M));
+ ret = spi_nor_wait_till_ready_with_timeout(nor, timeout);
if (ret)
goto erase_err;
@@ -371,72 +400,171 @@ erase_err:
return ret;
}
+static void stm_get_locked_range(struct spi_nor *nor, u8 sr, loff_t *ofs,
+ uint64_t *len)
+{
+ struct mtd_info *mtd = &nor->mtd;
+ u8 mask = SR_BP2 | SR_BP1 | SR_BP0;
+ int shift = ffs(mask) - 1;
+ int pow;
+
+ if (!(sr & mask)) {
+ /* No protection */
+ *ofs = 0;
+ *len = 0;
+ } else {
+ pow = ((sr & mask) ^ mask) >> shift;
+ *len = mtd->size >> pow;
+ *ofs = mtd->size - *len;
+ }
+}
+
+/*
+ * Return 1 if the entire region is locked, 0 otherwise
+ */
+static int stm_is_locked_sr(struct spi_nor *nor, loff_t ofs, uint64_t len,
+ u8 sr)
+{
+ loff_t lock_offs;
+ uint64_t lock_len;
+
+ stm_get_locked_range(nor, sr, &lock_offs, &lock_len);
+
+ return (ofs + len <= lock_offs + lock_len) && (ofs >= lock_offs);
+}
+
+/*
+ * Lock a region of the flash. Compatible with ST Micro and similar flash.
+ * Supports only the block protection bits BP{0,1,2} in the status register
+ * (SR). Does not support these features found in newer SR bitfields:
+ * - TB: top/bottom protect - only handle TB=0 (top protect)
+ * - SEC: sector/block protect - only handle SEC=0 (block protect)
+ * - CMP: complement protect - only support CMP=0 (range is not complemented)
+ *
+ * Sample table portion for 8MB flash (Winbond w25q64fw):
+ *
+ * SEC | TB | BP2 | BP1 | BP0 | Prot Length | Protected Portion
+ * --------------------------------------------------------------------------
+ * X | X | 0 | 0 | 0 | NONE | NONE
+ * 0 | 0 | 0 | 0 | 1 | 128 KB | Upper 1/64
+ * 0 | 0 | 0 | 1 | 0 | 256 KB | Upper 1/32
+ * 0 | 0 | 0 | 1 | 1 | 512 KB | Upper 1/16
+ * 0 | 0 | 1 | 0 | 0 | 1 MB | Upper 1/8
+ * 0 | 0 | 1 | 0 | 1 | 2 MB | Upper 1/4
+ * 0 | 0 | 1 | 1 | 0 | 4 MB | Upper 1/2
+ * X | X | 1 | 1 | 1 | 8 MB | ALL
+ *
+ * Returns negative on errors, 0 on success.
+ */
static int stm_lock(struct spi_nor *nor, loff_t ofs, uint64_t len)
{
- struct mtd_info *mtd = nor->mtd;
- uint32_t offset = ofs;
- uint8_t status_old, status_new;
- int ret = 0;
+ struct mtd_info *mtd = &nor->mtd;
+ u8 status_old, status_new;
+ u8 mask = SR_BP2 | SR_BP1 | SR_BP0;
+ u8 shift = ffs(mask) - 1, pow, val;
status_old = read_sr(nor);
- if (offset < mtd->size - (mtd->size / 2))
- status_new = status_old | SR_BP2 | SR_BP1 | SR_BP0;
- else if (offset < mtd->size - (mtd->size / 4))
- status_new = (status_old & ~SR_BP0) | SR_BP2 | SR_BP1;
- else if (offset < mtd->size - (mtd->size / 8))
- status_new = (status_old & ~SR_BP1) | SR_BP2 | SR_BP0;
- else if (offset < mtd->size - (mtd->size / 16))
- status_new = (status_old & ~(SR_BP0 | SR_BP1)) | SR_BP2;
- else if (offset < mtd->size - (mtd->size / 32))
- status_new = (status_old & ~SR_BP2) | SR_BP1 | SR_BP0;
- else if (offset < mtd->size - (mtd->size / 64))
- status_new = (status_old & ~(SR_BP2 | SR_BP0)) | SR_BP1;
- else
- status_new = (status_old & ~(SR_BP2 | SR_BP1)) | SR_BP0;
+ /* SPI NOR always locks to the end */
+ if (ofs + len != mtd->size) {
+ /* Does combined region extend to end? */
+ if (!stm_is_locked_sr(nor, ofs + len, mtd->size - ofs - len,
+ status_old))
+ return -EINVAL;
+ len = mtd->size - ofs;
+ }
+
+ /*
+ * Need smallest pow such that:
+ *
+ * 1 / (2^pow) <= (len / size)
+ *
+ * so (assuming power-of-2 size) we do:
+ *
+ * pow = ceil(log2(size / len)) = log2(size) - floor(log2(len))
+ */
+ pow = ilog2(mtd->size) - ilog2(len);
+ val = mask - (pow << shift);
+ if (val & ~mask)
+ return -EINVAL;
+ /* Don't "lock" with no region! */
+ if (!(val & mask))
+ return -EINVAL;
+
+ status_new = (status_old & ~mask) | val;
/* Only modify protection if it will not unlock other areas */
- if ((status_new & (SR_BP2 | SR_BP1 | SR_BP0)) >
- (status_old & (SR_BP2 | SR_BP1 | SR_BP0))) {
- write_enable(nor);
- ret = write_sr(nor, status_new);
- }
+ if ((status_new & mask) <= (status_old & mask))
+ return -EINVAL;
- return ret;
+ write_enable(nor);
+ return write_sr(nor, status_new);
}
+/*
+ * Unlock a region of the flash. See stm_lock() for more info
+ *
+ * Returns negative on errors, 0 on success.
+ */
static int stm_unlock(struct spi_nor *nor, loff_t ofs, uint64_t len)
{
- struct mtd_info *mtd = nor->mtd;
- uint32_t offset = ofs;
+ struct mtd_info *mtd = &nor->mtd;
uint8_t status_old, status_new;
- int ret = 0;
+ u8 mask = SR_BP2 | SR_BP1 | SR_BP0;
+ u8 shift = ffs(mask) - 1, pow, val;
status_old = read_sr(nor);
- if (offset+len > mtd->size - (mtd->size / 64))
- status_new = status_old & ~(SR_BP2 | SR_BP1 | SR_BP0);
- else if (offset+len > mtd->size - (mtd->size / 32))
- status_new = (status_old & ~(SR_BP2 | SR_BP1)) | SR_BP0;
- else if (offset+len > mtd->size - (mtd->size / 16))
- status_new = (status_old & ~(SR_BP2 | SR_BP0)) | SR_BP1;
- else if (offset+len > mtd->size - (mtd->size / 8))
- status_new = (status_old & ~SR_BP2) | SR_BP1 | SR_BP0;
- else if (offset+len > mtd->size - (mtd->size / 4))
- status_new = (status_old & ~(SR_BP0 | SR_BP1)) | SR_BP2;
- else if (offset+len > mtd->size - (mtd->size / 2))
- status_new = (status_old & ~SR_BP1) | SR_BP2 | SR_BP0;
- else
- status_new = (status_old & ~SR_BP0) | SR_BP2 | SR_BP1;
+ /* Cannot unlock; would unlock larger region than requested */
+ if (stm_is_locked_sr(nor, status_old, ofs - mtd->erasesize,
+ mtd->erasesize))
+ return -EINVAL;
- /* Only modify protection if it will not lock other areas */
- if ((status_new & (SR_BP2 | SR_BP1 | SR_BP0)) <
- (status_old & (SR_BP2 | SR_BP1 | SR_BP0))) {
- write_enable(nor);
- ret = write_sr(nor, status_new);
+ /*
+ * Need largest pow such that:
+ *
+ * 1 / (2^pow) >= (len / size)
+ *
+ * so (assuming power-of-2 size) we do:
+ *
+ * pow = floor(log2(size / len)) = log2(size) - ceil(log2(len))
+ */
+ pow = ilog2(mtd->size) - order_base_2(mtd->size - (ofs + len));
+ if (ofs + len == mtd->size) {
+ val = 0; /* fully unlocked */
+ } else {
+ val = mask - (pow << shift);
+ /* Some power-of-two sizes are not supported */
+ if (val & ~mask)
+ return -EINVAL;
}
- return ret;
+ status_new = (status_old & ~mask) | val;
+
+ /* Only modify protection if it will not lock other areas */
+ if ((status_new & mask) >= (status_old & mask))
+ return -EINVAL;
+
+ write_enable(nor);
+ return write_sr(nor, status_new);
+}
+
+/*
+ * Check if a region of the flash is (completely) locked. See stm_lock() for
+ * more info.
+ *
+ * Returns 1 if entire region is locked, 0 if any portion is unlocked, and
+ * negative on errors.
+ */
+static int stm_is_locked(struct spi_nor *nor, loff_t ofs, uint64_t len)
+{
+ int status;
+
+ status = read_sr(nor);
+ if (status < 0)
+ return status;
+
+ return stm_is_locked_sr(nor, ofs, len, status);
}
static int spi_nor_lock(struct mtd_info *mtd, loff_t ofs, uint64_t len)
@@ -469,6 +597,21 @@ static int spi_nor_unlock(struct mtd_inf
return ret;
}
+static int spi_nor_is_locked(struct mtd_info *mtd, loff_t ofs, uint64_t len)
+{
+ struct spi_nor *nor = mtd_to_spi_nor(mtd);
+ int ret;
+
+ ret = spi_nor_lock_and_prep(nor, SPI_NOR_OPS_UNLOCK);
+ if (ret)
+ return ret;
+
+ ret = nor->flash_is_locked(nor, ofs, len);
+
+ spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_LOCK);
+ return ret;
+}
+
/* Used when the "_ext_id" is two bytes at most */
#define INFO(_jedec_id, _ext_id, _sector_size, _n_sectors, _flags) \
.id = { \
@@ -585,6 +728,7 @@ static const struct flash_info spi_nor_i
/* Micron */
{ "n25q032", INFO(0x20ba16, 0, 64 * 1024, 64, SPI_NOR_QUAD_READ) },
+ { "n25q032a", INFO(0x20bb16, 0, 64 * 1024, 64, SPI_NOR_QUAD_READ) },
{ "n25q064", INFO(0x20ba17, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_QUAD_READ) },
{ "n25q064a", INFO(0x20bb17, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_QUAD_READ) },
{ "n25q128a11", INFO(0x20bb18, 0, 64 * 1024, 256, SPI_NOR_QUAD_READ) },
@@ -618,12 +762,13 @@ static const struct flash_info spi_nor_i
{ "s25sl016a", INFO(0x010214, 0, 64 * 1024, 32, 0) },
{ "s25sl032a", INFO(0x010215, 0, 64 * 1024, 64, 0) },
{ "s25sl064a", INFO(0x010216, 0, 64 * 1024, 128, 0) },
- { "s25fl008k", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) },
- { "s25fl016k", INFO(0xef4015, 0, 64 * 1024, 32, SECT_4K) },
+ { "s25fl004k", INFO(0xef4013, 0, 64 * 1024, 8, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ { "s25fl008k", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ { "s25fl016k", INFO(0xef4015, 0, 64 * 1024, 32, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "s25fl064k", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) },
{ "s25fl132k", INFO(0x014016, 0, 64 * 1024, 64, SECT_4K) },
{ "s25fl164k", INFO(0x014017, 0, 64 * 1024, 128, SECT_4K) },
- { "s25fl204k", INFO(0x014013, 0, 64 * 1024, 8, SECT_4K) },
+ { "s25fl204k", INFO(0x014013, 0, 64 * 1024, 8, SECT_4K | SPI_NOR_DUAL_READ) },
/* SST -- large erase sizes are "overlays", "sectors" are 4K */
{ "sst25vf040b", INFO(0xbf258d, 0, 64 * 1024, 8, SECT_4K | SST_WRITE) },
@@ -635,6 +780,7 @@ static const struct flash_info spi_nor_i
{ "sst25wf010", INFO(0xbf2502, 0, 64 * 1024, 2, SECT_4K | SST_WRITE) },
{ "sst25wf020", INFO(0xbf2503, 0, 64 * 1024, 4, SECT_4K | SST_WRITE) },
{ "sst25wf020a", INFO(0x621612, 0, 64 * 1024, 4, SECT_4K) },
+ { "sst25wf040b", INFO(0x621613, 0, 64 * 1024, 8, SECT_4K) },
{ "sst25wf040", INFO(0xbf2504, 0, 64 * 1024, 8, SECT_4K | SST_WRITE) },
{ "sst25wf080", INFO(0xbf2505, 0, 64 * 1024, 16, SECT_4K | SST_WRITE) },
@@ -683,10 +829,11 @@ static const struct flash_info spi_nor_i
{ "w25x16", INFO(0xef3015, 0, 64 * 1024, 32, SECT_4K) },
{ "w25x32", INFO(0xef3016, 0, 64 * 1024, 64, SECT_4K) },
{ "w25q32", INFO(0xef4016, 0, 64 * 1024, 64, SECT_4K) },
- { "w25q32dw", INFO(0xef6016, 0, 64 * 1024, 64, SECT_4K) },
+ { "w25q32dw", INFO(0xef6016, 0, 64 * 1024, 64, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "w25x64", INFO(0xef3017, 0, 64 * 1024, 128, SECT_4K) },
{ "w25q64", INFO(0xef4017, 0, 64 * 1024, 128, SECT_4K) },
- { "w25q64dw", INFO(0xef6017, 0, 64 * 1024, 128, SECT_4K) },
+ { "w25q64dw", INFO(0xef6017, 0, 64 * 1024, 128, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
+ { "w25q128fw", INFO(0xef6018, 0, 64 * 1024, 256, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ "w25q80", INFO(0xef5014, 0, 64 * 1024, 16, SECT_4K) },
{ "w25q80bl", INFO(0xef4014, 0, 64 * 1024, 16, SECT_4K) },
{ "w25q128", INFO(0xef4018, 0, 64 * 1024, 256, SECT_4K) },
@@ -868,8 +1015,7 @@ static int macronix_quad_enable(struct s
val = read_sr(nor);
write_enable(nor);
- nor->cmd_buf[0] = val | SR_QUAD_EN_MX;
- nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 1, 0);
+ write_sr(nor, val | SR_QUAD_EN_MX);
if (spi_nor_wait_till_ready(nor))
return 1;
@@ -894,7 +1040,7 @@ static int write_sr_cr(struct spi_nor *n
nor->cmd_buf[0] = val & 0xff;
nor->cmd_buf[1] = (val >> 8);
- return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 2, 0);
+ return nor->write_reg(nor, SPINOR_OP_WRSR, nor->cmd_buf, 2);
}
static int spansion_quad_enable(struct spi_nor *nor)
@@ -936,7 +1082,7 @@ static int micron_quad_enable(struct spi
/* set EVCR, enable quad I/O */
nor->cmd_buf[0] = val & ~EVCR_QUAD_EN_MICRON;
- ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1, 0);
+ ret = nor->write_reg(nor, SPINOR_OP_WD_EVCR, nor->cmd_buf, 1);
if (ret < 0) {
dev_err(nor->dev, "error while writing EVCR register\n");
return ret;
@@ -965,14 +1111,14 @@ static int set_quad_mode(struct spi_nor
int status;
switch (JEDEC_MFR(info)) {
- case CFI_MFR_MACRONIX:
+ case SNOR_MFR_MACRONIX:
status = macronix_quad_enable(nor);
if (status) {
dev_err(nor->dev, "Macronix quad-read not enabled\n");
return -EINVAL;
}
return status;
- case CFI_MFR_ST:
+ case SNOR_MFR_MICRON:
status = micron_quad_enable(nor);
if (status) {
dev_err(nor->dev, "Micron quad-read not enabled\n");
@@ -1004,8 +1150,8 @@ int spi_nor_scan(struct spi_nor *nor, co
{
const struct flash_info *info = NULL;
struct device *dev = nor->dev;
- struct mtd_info *mtd = nor->mtd;
- struct device_node *np = dev->of_node;
+ struct mtd_info *mtd = &nor->mtd;
+ struct device_node *np = nor->flash_node;
int ret;
int i;
@@ -1048,19 +1194,21 @@ int spi_nor_scan(struct spi_nor *nor, co
mutex_init(&nor->lock);
/*
- * Atmel, SST and Intel/Numonyx serial nor tend to power
- * up with the software protection bits set
+ * Atmel, SST, Intel/Numonyx, and others serial NOR tend to power up
+ * with the software protection bits set
*/
- if (JEDEC_MFR(info) == CFI_MFR_ATMEL ||
- JEDEC_MFR(info) == CFI_MFR_INTEL ||
- JEDEC_MFR(info) == CFI_MFR_SST) {
+ if (JEDEC_MFR(info) == SNOR_MFR_ATMEL ||
+ JEDEC_MFR(info) == SNOR_MFR_INTEL ||
+ JEDEC_MFR(info) == SNOR_MFR_SST ||
+ JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
write_enable(nor);
write_sr(nor, 0);
}
if (!mtd->name)
mtd->name = dev_name(dev);
+ mtd->priv = nor;
mtd->type = MTD_NORFLASH;
mtd->writesize = 1;
mtd->flags = MTD_CAP_NORFLASH;
@@ -1068,15 +1216,18 @@ int spi_nor_scan(struct spi_nor *nor, co
mtd->_erase = spi_nor_erase;
mtd->_read = spi_nor_read;
- /* nor protection support for STmicro chips */
- if (JEDEC_MFR(info) == CFI_MFR_ST) {
+ /* NOR protection support for STmicro/Micron chips and similar */
+ if (JEDEC_MFR(info) == SNOR_MFR_MICRON ||
+ JEDEC_MFR(info) == SNOR_MFR_WINBOND) {
nor->flash_lock = stm_lock;
nor->flash_unlock = stm_unlock;
+ nor->flash_is_locked = stm_is_locked;
}
- if (nor->flash_lock && nor->flash_unlock) {
+ if (nor->flash_lock && nor->flash_unlock && nor->flash_is_locked) {
mtd->_lock = spi_nor_lock;
mtd->_unlock = spi_nor_unlock;
+ mtd->_is_locked = spi_nor_is_locked;
}
/* sst nor chips use AAI word program */
@@ -1163,7 +1314,7 @@ int spi_nor_scan(struct spi_nor *nor, co
else if (mtd->size > 0x1000000) {
/* enable 4-byte addressing if the device exceeds 16MiB */
nor->addr_width = 4;
- if (JEDEC_MFR(info) == CFI_MFR_AMD) {
+ if (JEDEC_MFR(info) == SNOR_MFR_SPANSION) {
/* Dedicated 4-byte command set */
switch (nor->flash_read) {
case SPI_NOR_QUAD:
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -10,6 +10,23 @@
#ifndef __LINUX_MTD_SPI_NOR_H
#define __LINUX_MTD_SPI_NOR_H
+#include <linux/bitops.h>
+#include <linux/mtd/cfi.h>
+
+/*
+ * Manufacturer IDs
+ *
+ * The first byte returned from the flash after sending opcode SPINOR_OP_RDID.
+ * Sometimes these are the same as CFI IDs, but sometimes they aren't.
+ */
+#define SNOR_MFR_ATMEL CFI_MFR_ATMEL
+#define SNOR_MFR_INTEL CFI_MFR_INTEL
+#define SNOR_MFR_MICRON CFI_MFR_ST /* ST Micro <--> Micron */
+#define SNOR_MFR_MACRONIX CFI_MFR_MACRONIX
+#define SNOR_MFR_SPANSION CFI_MFR_AMD
+#define SNOR_MFR_SST CFI_MFR_SST
+#define SNOR_MFR_WINBOND 0xef
+
/*
* Note on opcode nomenclature: some opcodes have a format like
* SPINOR_OP_FUNCTION{4,}_x_y_z. The numbers x, y, and z stand for the number
@@ -61,24 +78,24 @@
#define SPINOR_OP_WD_EVCR 0x61 /* Write EVCR register */
/* Status Register bits. */
-#define SR_WIP 1 /* Write in progress */
-#define SR_WEL 2 /* Write enable latch */
+#define SR_WIP BIT(0) /* Write in progress */
+#define SR_WEL BIT(1) /* Write enable latch */
/* meaning of other SR_* bits may differ between vendors */
-#define SR_BP0 4 /* Block protect 0 */
-#define SR_BP1 8 /* Block protect 1 */
-#define SR_BP2 0x10 /* Block protect 2 */
-#define SR_SRWD 0x80 /* SR write protect */
+#define SR_BP0 BIT(2) /* Block protect 0 */
+#define SR_BP1 BIT(3) /* Block protect 1 */
+#define SR_BP2 BIT(4) /* Block protect 2 */
+#define SR_SRWD BIT(7) /* SR write protect */
-#define SR_QUAD_EN_MX 0x40 /* Macronix Quad I/O */
+#define SR_QUAD_EN_MX BIT(6) /* Macronix Quad I/O */
/* Enhanced Volatile Configuration Register bits */
-#define EVCR_QUAD_EN_MICRON 0x80 /* Micron Quad I/O */
+#define EVCR_QUAD_EN_MICRON BIT(7) /* Micron Quad I/O */
/* Flag Status Register bits */
-#define FSR_READY 0x80
+#define FSR_READY BIT(7)
/* Configuration Register bits. */
-#define CR_QUAD_EN_SPAN 0x2 /* Spansion Quad I/O */
+#define CR_QUAD_EN_SPAN BIT(1) /* Spansion Quad I/O */
enum read_mode {
SPI_NOR_NORMAL = 0,
@@ -87,33 +104,6 @@ enum read_mode {
SPI_NOR_QUAD,
};
-/**
- * struct spi_nor_xfer_cfg - Structure for defining a Serial Flash transfer
- * @wren: command for "Write Enable", or 0x00 for not required
- * @cmd: command for operation
- * @cmd_pins: number of pins to send @cmd (1, 2, 4)
- * @addr: address for operation
- * @addr_pins: number of pins to send @addr (1, 2, 4)
- * @addr_width: number of address bytes
- * (3,4, or 0 for address not required)
- * @mode: mode data
- * @mode_pins: number of pins to send @mode (1, 2, 4)
- * @mode_cycles: number of mode cycles (0 for mode not required)
- * @dummy_cycles: number of dummy cycles (0 for dummy not required)
- */
-struct spi_nor_xfer_cfg {
- u8 wren;
- u8 cmd;
- u8 cmd_pins;
- u32 addr;
- u8 addr_pins;
- u8 addr_width;
- u8 mode;
- u8 mode_pins;
- u8 mode_cycles;
- u8 dummy_cycles;
-};
-
#define SPI_NOR_MAX_CMD_SIZE 8
enum spi_nor_ops {
SPI_NOR_OPS_READ = 0,
@@ -127,11 +117,14 @@ enum spi_nor_option_flags {
SNOR_F_USE_FSR = BIT(0),
};
+struct mtd_info;
+
/**
* struct spi_nor - Structure for defining a the SPI NOR layer
* @mtd: point to a mtd_info structure
* @lock: the lock for the read/write/erase/lock/unlock operations
* @dev: point to a spi device, or a spi nor controller device.
+ * @flash_node: point to a device node describing this flash instance.
* @page_size: the page size of the SPI NOR
* @addr_width: number of address bytes
* @erase_opcode: the opcode for erasing a sector
@@ -141,28 +134,28 @@ enum spi_nor_option_flags {
* @flash_read: the mode of the read
* @sst_write_second: used by the SST write operation
* @flags: flag options for the current SPI-NOR (SNOR_F_*)
- * @cfg: used by the read_xfer/write_xfer
* @cmd_buf: used by the write_reg
* @prepare: [OPTIONAL] do some preparations for the
* read/write/erase/lock/unlock operations
* @unprepare: [OPTIONAL] do some post work after the
* read/write/erase/lock/unlock operations
- * @read_xfer: [OPTIONAL] the read fundamental primitive
- * @write_xfer: [OPTIONAL] the writefundamental primitive
* @read_reg: [DRIVER-SPECIFIC] read out the register
* @write_reg: [DRIVER-SPECIFIC] write data to the register
* @read: [DRIVER-SPECIFIC] read data from the SPI NOR
* @write: [DRIVER-SPECIFIC] write data to the SPI NOR
* @erase: [DRIVER-SPECIFIC] erase a sector of the SPI NOR
* at the offset @offs
- * @lock: [FLASH-SPECIFIC] lock a region of the SPI NOR
- * @unlock: [FLASH-SPECIFIC] unlock a region of the SPI NOR
+ * @flash_lock: [FLASH-SPECIFIC] lock a region of the SPI NOR
+ * @flash_unlock: [FLASH-SPECIFIC] unlock a region of the SPI NOR
+ * @flash_is_locked: [FLASH-SPECIFIC] check if a region of the SPI NOR is
+ * completely locked
* @priv: the private data
*/
struct spi_nor {
- struct mtd_info *mtd;
+ struct mtd_info mtd;
struct mutex lock;
struct device *dev;
+ struct device_node *flash_node;
u32 page_size;
u8 addr_width;
u8 erase_opcode;
@@ -172,18 +165,12 @@ struct spi_nor {
enum read_mode flash_read;
bool sst_write_second;
u32 flags;
- struct spi_nor_xfer_cfg cfg;
u8 cmd_buf[SPI_NOR_MAX_CMD_SIZE];
int (*prepare)(struct spi_nor *nor, enum spi_nor_ops ops);
void (*unprepare)(struct spi_nor *nor, enum spi_nor_ops ops);
- int (*read_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg,
- u8 *buf, size_t len);
- int (*write_xfer)(struct spi_nor *nor, struct spi_nor_xfer_cfg *cfg,
- u8 *buf, size_t len);
int (*read_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
- int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len,
- int write_enable);
+ int (*write_reg)(struct spi_nor *nor, u8 opcode, u8 *buf, int len);
int (*read)(struct spi_nor *nor, loff_t from,
size_t len, size_t *retlen, u_char *read_buf);
@@ -193,6 +180,7 @@ struct spi_nor {
int (*flash_lock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
int (*flash_unlock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
+ int (*flash_is_locked)(struct spi_nor *nor, loff_t ofs, uint64_t len);
void *priv;
};

9
target/linux/generic/patches-4.3/192-USB-qcserial-Add-support-for-Quectel-EC20-Mini-PCIe-.patch
View file

@ -50,8 +50,6 @@ Signed-off-by: Petr Štetiar <ynezz@true.cz>
drivers/usb/serial/qcserial.c | 39 +++++++++++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index ebcec8c..d462132 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -22,6 +22,8 @@
@ -63,7 +61,7 @@ index ebcec8c..d462132 100644
/* standard device layouts supported by this driver */
enum qcserial_layouts {
QCSERIAL_G2K = 0, /* Gobi 2000 */
@@ -167,6 +169,38 @@ static const struct usb_device_id id_table[] = {
@@ -167,6 +169,38 @@ static const struct usb_device_id id_tab
};
MODULE_DEVICE_TABLE(usb, id_table);
@ -102,7 +100,7 @@ index ebcec8c..d462132 100644
static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
{
struct usb_host_interface *intf = serial->interface->cur_altsetting;
@@ -235,6 +269,11 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
@@ -235,6 +269,11 @@ static int qcprobe(struct usb_serial *se
altsetting = -1;
break;
case QCSERIAL_G2K:
@ -114,6 +112,3 @@ index ebcec8c..d462132 100644
/*
* Gobi 2K+ USB layout:
* 0: QMI/net
--
1.7.9.5

4
target/linux/generic/patches-4.3/192-net-Fix-presrc-lookups.patch
View file

@ -29,11 +29,9 @@ This is needed in v4.3.
net/ipv4/fib_semantics.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 064bd3caaa4f..aac966f6162f 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -864,14 +864,21 @@ static bool fib_valid_prefsrc(struct fib_config *cfg, __be32 fib_prefsrc)
@@ -864,14 +864,21 @@ static bool fib_valid_prefsrc(struct fib
if (cfg->fc_type != RTN_LOCAL || !cfg->fc_dst ||
fib_prefsrc != cfg->fc_dst) {
u32 tb_id = cfg->fc_table;

11
target/linux/generic/patches-4.3/193-USB-qmi_wwan-Add-quirk-for-Quectel-EC20-Mini-PCIe-mo.patch
View file

@ -46,11 +46,9 @@ Signed-off-by: Petr Štetiar <ynezz@true.cz>
drivers/net/usb/qmi_wwan.c | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 2a7c1be..b81a32c 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -822,6 +822,7 @@ static const struct usb_device_id products[] = {
@@ -822,6 +822,7 @@ static const struct usb_device_id produc
{QMI_GOBI_DEVICE(0x05c6, 0x9245)}, /* Samsung Gobi 2000 Modem device (VL176) */
{QMI_GOBI_DEVICE(0x03f0, 0x251d)}, /* HP Gobi 2000 Modem device (VP412) */
{QMI_GOBI_DEVICE(0x05c6, 0x9215)}, /* Acer Gobi 2000 Modem device (VP413) */
@ -58,7 +56,7 @@ index 2a7c1be..b81a32c 100644
{QMI_GOBI_DEVICE(0x05c6, 0x9265)}, /* Asus Gobi 2000 Modem device (VR305) */
{QMI_GOBI_DEVICE(0x05c6, 0x9235)}, /* Top Global Gobi 2000 Modem device (VR306) */
{QMI_GOBI_DEVICE(0x05c6, 0x9275)}, /* iRex Technologies Gobi 2000 Modem device (VR307) */
@@ -853,10 +854,24 @@ static const struct usb_device_id products[] = {
@@ -853,10 +854,24 @@ static const struct usb_device_id produc
};
MODULE_DEVICE_TABLE(usb, products);
@ -83,7 +81,7 @@ index 2a7c1be..b81a32c 100644
/* Workaround to enable dynamic IDs. This disables usbnet
* blacklisting functionality. Which, if required, can be
@@ -868,6 +883,12 @@ static int qmi_wwan_probe(struct usb_interface *intf,
@@ -868,6 +883,12 @@ static int qmi_wwan_probe(struct usb_int
id->driver_info = (unsigned long)&qmi_wwan_info;
}
@ -96,6 +94,3 @@ index 2a7c1be..b81a32c 100644
return usbnet_probe(intf, id);
}
--
1.7.9.5

22
target/linux/generic/patches-4.3/474-mtd-spi-nor-add-support-for-the-ISSI-SI25CD512-SPI-f.patch
View file

@ -1,22 +0,0 @@
From 34e2b403040a2f9d3ba071d95a7f42457e2950f9 Mon Sep 17 00:00:00 2001
From: Gabor Juhos <juhosg@openwrt.org>
Date: Tue, 7 Apr 2015 18:35:15 +0200
Subject: [PATCH] mtd: spi-nor: add support for the ISSI SI25CD512 SPI flash
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
---
drivers/mtd/spi-nor/spi-nor.c | 3 +++
1 file changed, 3 insertions(+)
--- a/drivers/mtd/spi-nor/spi-nor.c
+++ b/drivers/mtd/spi-nor/spi-nor.c
@@ -566,6 +566,9 @@ static const struct flash_info spi_nor_i
/* ISSI */
{ "is25cd512", INFO(0x7f9d20, 0, 32 * 1024, 2, SECT_4K) },
+ /* ISSI */
+ { "is25cd512", INFO(0x7f9d20, 0, 32 * 1024, 2, SECT_4K) },
+
/* Macronix */
{ "mx25l512e", INFO(0xc22010, 0, 64 * 1024, 1, SECT_4K) },
{ "mx25l2005a", INFO(0xc22012, 0, 64 * 1024, 4, SECT_4K) },

6
target/linux/lantiq/patches-4.1/0022-MTD-m25p80-allow-loading-mtd-name-from-OF.patch
View file

@ -22,7 +22,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@@ -184,6 +185,10 @@ static int m25p_probe(struct spi_device
@@ -182,6 +183,10 @@ static int m25p_probe(struct spi_device
enum read_mode mode = SPI_NOR_NORMAL;
char *flash_name = NULL;
int ret;
@ -33,10 +33,10 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
data = dev_get_platdata(&spi->dev);
@@ -215,6 +220,8 @@ static int m25p_probe(struct spi_device
@@ -212,6 +217,8 @@ static int m25p_probe(struct spi_device
if (data && data->name)
flash->mtd.name = data->name;
nor->mtd.name = data->name;
+ else if (of_mtd_name)
+ flash->mtd.name = of_mtd_name;