aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/mpc85xx/patches-4.4
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/mpc85xx/patches-4.4')
-rw-r--r--target/linux/mpc85xx/patches-4.4/001-powerpc-85xx-add-gpio-keys-to-of-match-table.patch10
-rw-r--r--target/linux/mpc85xx/patches-4.4/100-powerpc-85xx-tl-wdr4900-v1-support.patch78
-rw-r--r--target/linux/mpc85xx/patches-4.4/200-spi-fsl-espi-preallocate-local-buffer.patch127
3 files changed, 215 insertions, 0 deletions
diff --git a/target/linux/mpc85xx/patches-4.4/001-powerpc-85xx-add-gpio-keys-to-of-match-table.patch b/target/linux/mpc85xx/patches-4.4/001-powerpc-85xx-add-gpio-keys-to-of-match-table.patch
new file mode 100644
index 0000000000..5e5ab10daf
--- /dev/null
+++ b/target/linux/mpc85xx/patches-4.4/001-powerpc-85xx-add-gpio-keys-to-of-match-table.patch
@@ -0,0 +1,10 @@
+--- a/arch/powerpc/platforms/85xx/common.c
++++ b/arch/powerpc/platforms/85xx/common.c
+@@ -30,6 +30,7 @@ static const struct of_device_id mpc85xx
+ { .compatible = "fsl,mpc8548-guts", },
+ /* Probably unnecessary? */
+ { .compatible = "gpio-leds", },
++ { .compatible = "gpio-keys", },
+ /* For all PCI controllers */
+ { .compatible = "fsl,mpc8540-pci", },
+ { .compatible = "fsl,mpc8548-pcie", },
diff --git a/target/linux/mpc85xx/patches-4.4/100-powerpc-85xx-tl-wdr4900-v1-support.patch b/target/linux/mpc85xx/patches-4.4/100-powerpc-85xx-tl-wdr4900-v1-support.patch
new file mode 100644
index 0000000000..e657ee514a
--- /dev/null
+++ b/target/linux/mpc85xx/patches-4.4/100-powerpc-85xx-tl-wdr4900-v1-support.patch
@@ -0,0 +1,78 @@
+From 406d86e5990ac171f18ef6e2973672d8fbfe1556 Mon Sep 17 00:00:00 2001
+From: Gabor Juhos <juhosg@openwrt.org>
+Date: Wed, 20 Feb 2013 08:40:33 +0100
+Subject: [PATCH] powerpc: 85xx: add support for the TP-Link TL-WDR4900 v1
+ board
+
+This patch adds support for the TP-Link TL-WDR4900 v1
+concurrent dual-band wireless router. The devices uses
+the Freescale P1014 SoC.
+
+Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+---
+ arch/powerpc/boot/Makefile | 3 +
+ arch/powerpc/boot/wrapper | 4 +
+ arch/powerpc/platforms/85xx/Kconfig | 11 ++
+ arch/powerpc/platforms/85xx/Makefile | 1 +
+
+--- a/arch/powerpc/boot/Makefile
++++ b/arch/powerpc/boot/Makefile
+@@ -114,6 +114,7 @@ src-plat-$(CONFIG_PPC_PSERIES) += pserie
+ src-plat-$(CONFIG_PPC_POWERNV) += pseries-head.S
+ src-plat-$(CONFIG_PPC_IBM_CELL_BLADE) += pseries-head.S
+ src-plat-$(CONFIG_PPC_CELL_QPACE) += pseries-head.S
++src-plat-$(CONFIG_TL_WDR4900_V1) += cuboot-tl-wdr4900-v1.c
+
+ src-wlib := $(sort $(src-wlib-y))
+ src-plat := $(sort $(src-plat-y))
+@@ -297,6 +298,7 @@ image-$(CONFIG_TQM8555) += cuImage.tqm
+ image-$(CONFIG_TQM8560) += cuImage.tqm8560
+ image-$(CONFIG_SBC8548) += cuImage.sbc8548
+ image-$(CONFIG_KSI8560) += cuImage.ksi8560
++image-$(CONFIG_TL_WDR4900_V1) += cuImage.tl-wdr4900-v1
+
+ # Board ports in arch/powerpc/platform/embedded6xx/Kconfig
+ image-$(CONFIG_STORCENTER) += cuImage.storcenter
+--- a/arch/powerpc/boot/wrapper
++++ b/arch/powerpc/boot/wrapper
+@@ -235,6 +235,10 @@ cuboot*)
+ *-mpc85*|*-tqm85*|*-sbc85*)
+ platformo=$object/cuboot-85xx.o
+ ;;
++ *-tl-wdr4900-v1)
++ platformo=$object/cuboot-tl-wdr4900-v1.o
++ link_address='0x1000000'
++ ;;
+ *-amigaone)
+ link_address='0x800000'
+ ;;
+--- a/arch/powerpc/platforms/85xx/Kconfig
++++ b/arch/powerpc/platforms/85xx/Kconfig
+@@ -168,6 +168,17 @@ config STX_GP3
+ select CPM2
+ select DEFAULT_UIMAGE
+
++config TL_WDR4900_V1
++ bool "TP-Link TL-WDR4900 v1"
++ select DEFAULT_UIMAGE
++ select ARCH_REQUIRE_GPIOLIB
++ select GPIO_MPC8XXX
++ help
++ This option enables support for the TP-Link TL-WDR4900 v1 board.
++
++ This board is a Concurrent Dual-Band wireless router with a
++ Freescale P1014 SoC.
++
+ config TQM8540
+ bool "TQ Components TQM8540"
+ help
+--- a/arch/powerpc/platforms/85xx/Makefile
++++ b/arch/powerpc/platforms/85xx/Makefile
+@@ -23,6 +23,7 @@ obj-$(CONFIG_TWR_P102x) += twr_p102x.o
+ obj-$(CONFIG_CORENET_GENERIC) += corenet_generic.o
+ obj-$(CONFIG_STX_GP3) += stx_gp3.o
+ obj-$(CONFIG_TQM85xx) += tqm85xx.o
++obj-$(CONFIG_TL_WDR4900_V1) += tl_wdr4900_v1.o
+ obj-$(CONFIG_SBC8548) += sbc8548.o
+ obj-$(CONFIG_PPA8548) += ppa8548.o
+ obj-$(CONFIG_SOCRATES) += socrates.o socrates_fpga_pic.o
diff --git a/target/linux/mpc85xx/patches-4.4/200-spi-fsl-espi-preallocate-local-buffer.patch b/target/linux/mpc85xx/patches-4.4/200-spi-fsl-espi-preallocate-local-buffer.patch
new file mode 100644
index 0000000000..3239cdb850
--- /dev/null
+++ b/target/linux/mpc85xx/patches-4.4/200-spi-fsl-espi-preallocate-local-buffer.patch
@@ -0,0 +1,127 @@
+From: Gabor Juhos <juhosg@openwrt.org>
+Subject: spi-fsl-espi: avoid frequent high order allocations
+
+The driver allocates 64KiB of memory fro a local buffer before
+each transfer and releases that afterwards. When the memory is
+fragmented this allocation often fails and causes a warning like
+this:
+
+ kworker/u2:2: page allocation failure: order:4, mode:0x10c0d0
+ CPU: 0 PID: 7011 Comm: kworker/u2:2 Not tainted 3.10.24 #1
+ Workqueue: ffe07000.spi mpc8xxx_spi_work
+ Call Trace:
+ [c1c6dcf0] [c0006914] show_stack+0x50/0x170 (unreliable)
+ [c1c6dd30] [c0259858] dump_stack+0x24/0x34
+ [c1c6dd40] [c00672e8] warn_alloc_failed+0x120/0x13c
+ [c1c6dd90] [c0069920] __alloc_pages_nodemask+0x574/0x5c8
+ [c1c6de20] [c0069990] __get_free_pages+0x1c/0x4c
+ [c1c6de30] [c0185174] fsl_espi_do_one_msg+0x128/0x2a0
+ [c1c6de90] [c0184290] mpc8xxx_spi_work+0x50/0x7c
+ [c1c6dea0] [c0037af8] process_one_work+0x208/0x30c
+ [c1c6dec0] [c00387a0] worker_thread+0x20c/0x308
+ [c1c6def0] [c003de60] kthread+0xa4/0xa8
+ [c1c6df40] [c000c4bc] ret_from_kernel_thread+0x5c/0x64
+
+ m25p80 spi0.0: error -12 reading SR
+ end_request: I/O error, dev mtdblock3, sector 680
+ SQUASHFS error: squashfs_read_data failed to read block 0x54a4a
+ SQUASHFS error: Unable to read data cache entry [54a4a]
+
+Preallocate the buffer from the probe routine to avoid
+this.
+
+Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+---
+ drivers/spi/spi-fsl-espi.c | 34 ++++++++++++++++------------------
+ drivers/spi/spi-fsl-lib.h | 1 +
+ 2 files changed, 17 insertions(+), 18 deletions(-)
+
+--- a/drivers/spi/spi-fsl-espi.c
++++ b/drivers/spi/spi-fsl-espi.c
+@@ -332,17 +332,13 @@ static void fsl_espi_do_trans(struct spi
+ static void fsl_espi_cmd_trans(struct spi_message *m,
+ struct fsl_espi_transfer *trans, u8 *rx_buff)
+ {
++ struct spi_device *spi = m->spi;
++ struct mpc8xxx_spi *mspi = spi_master_get_devdata(spi->master);
+ struct spi_transfer *t;
+- u8 *local_buf;
++ u8 *local_buf = mspi->local_buf;
+ int i = 0;
+ struct fsl_espi_transfer *espi_trans = trans;
+
+- local_buf = kzalloc(SPCOM_TRANLEN_MAX, GFP_KERNEL);
+- if (!local_buf) {
+- espi_trans->status = -ENOMEM;
+- return;
+- }
+-
+ list_for_each_entry(t, &m->transfers, transfer_list) {
+ if (t->tx_buf) {
+ memcpy(local_buf + i, t->tx_buf, t->len);
+@@ -355,16 +351,17 @@ static void fsl_espi_cmd_trans(struct sp
+ fsl_espi_do_trans(m, espi_trans);
+
+ espi_trans->actual_length = espi_trans->len;
+- kfree(local_buf);
+ }
+
+ static void fsl_espi_rw_trans(struct spi_message *m,
+ struct fsl_espi_transfer *trans, u8 *rx_buff)
+ {
++ struct spi_device *spi = m->spi;
++ struct mpc8xxx_spi *mspi = spi_master_get_devdata(spi->master);
+ struct fsl_espi_transfer *espi_trans = trans;
+ unsigned int total_len = espi_trans->len;
+ struct spi_transfer *t;
+- u8 *local_buf;
++ u8 *local_buf = mspi->local_buf;
+ u8 *rx_buf = rx_buff;
+ unsigned int trans_len;
+ unsigned int addr;
+@@ -373,12 +370,6 @@ static void fsl_espi_rw_trans(struct spi
+ unsigned int pos;
+ int i, loop;
+
+- local_buf = kzalloc(SPCOM_TRANLEN_MAX, GFP_KERNEL);
+- if (!local_buf) {
+- espi_trans->status = -ENOMEM;
+- return;
+- }
+-
+ for (pos = 0, loop = 0; pos < total_len; pos += trans_len, loop++) {
+ trans_len = total_len - pos;
+
+@@ -424,8 +415,6 @@ static void fsl_espi_rw_trans(struct spi
+ else
+ espi_trans->actual_length += espi_trans->len;
+ }
+-
+- kfree(local_buf);
+ }
+
+ static int fsl_espi_do_one_msg(struct spi_master *master,
+@@ -673,6 +662,12 @@ static struct spi_master * fsl_espi_prob
+
+ mpc8xxx_spi = spi_master_get_devdata(master);
+
++ mpc8xxx_spi->local_buf = devm_kzalloc(dev, SPCOM_TRANLEN_MAX, GFP_KERNEL);
++ if (!mpc8xxx_spi->local_buf) {
++ ret = -ENOMEM;
++ goto err_probe;
++ }
++
+ mpc8xxx_spi->reg_base = devm_ioremap_resource(dev, mem);
+ if (IS_ERR(mpc8xxx_spi->reg_base)) {
+ ret = PTR_ERR(mpc8xxx_spi->reg_base);
+--- a/drivers/spi/spi-fsl-lib.h
++++ b/drivers/spi/spi-fsl-lib.h
+@@ -30,6 +30,7 @@ struct mpc8xxx_spi {
+ void *rx;
+ #if IS_ENABLED(CONFIG_SPI_FSL_ESPI)
+ int len;
++ u8 *local_buf;
+ #endif
+
+ int subblock;