diff options
Diffstat (limited to 'target/linux/mpc85xx/patches-4.4')
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; |