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authorLinus Torvalds <torvalds@linux-foundation.org>2019-03-05 11:28:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-05 11:28:25 -0800
commitd9862cfbe2099deb83f0e9c1932c91f2d9c50464 (patch)
tree7092ef41113269f30b5429868a9d161e171c746d /drivers/soc
parent8feed3efa8022107bcb3432ac3ec9917e078ae70 (diff)
parentaeb669d41ffabb91b1542f1f802cb12a989fced0 (diff)
Merge tag 'mips_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS updates from Paul Burton: - Support for the MIPSr6 MemoryMapID register & Global INValidate TLB (GINVT) instructions, allowing for more efficient TLB maintenance when running on a CPU such as the I6500 that supports these. - Enable huge page support for MIPS64r6. - Optimize post-DMA cache sync by removing that code entirely for kernel configurations in which we know it won't be needed. - The number of pages allocated for interrupt stacks is now calculated correctly, where before we would wastefully allocate too much memory in some configurations. - The ath79 platform migrates to devicetree. - The bcm47xx platform sees fixes for the Buffalo WHR-G54S board. - The ingenic/jz4740 platform gains support for appended devicetrees. - The cavium_octeon, lantiq, loongson32 & sgi-ip27 platforms all see cleanups as do various pieces of core architecture code. * tag 'mips_5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux: (66 commits) MIPS: lantiq: Remove separate GPHY Firmware loader MIPS: ingenic: Add support for appended devicetree MIPS: SGI-IP27: rework HUB interrupts MIPS: SGI-IP27: do boot CPU init later MIPS: SGI-IP27: do xtalk scanning later MIPS: SGI-IP27: use pr_info/pr_emerg and pr_cont to fix output MIPS: SGI-IP27: clean up bridge access and header files MIPS: SGI-IP27: get rid of volatile and hubreg_t MIPS: irq: Allocate accurate order pages for irq stack MIPS: dma-noncoherent: Remove bogus condition in dma_sync_phys() MIPS: eBPF: Remove REG_32BIT_ZERO_EX MIPS: eBPF: Always return sign extended 32b values MIPS: CM: Fix indentation MIPS: BCM47XX: Fix/improve Buffalo WHR-G54S support MIPS: OCTEON: program rx/tx-delay always from DT MIPS: OCTEON: delete board-specific link status MIPS: OCTEON: don't lie about interface type of CN3005 board MIPS: OCTEON: warn if deprecated link status is being used MIPS: OCTEON: add fixed-link nodes to in-kernel device tree MIPS: Delete unused flush_cache_sigtramp() ...
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/lantiq/Makefile1
-rw-r--r--drivers/soc/lantiq/gphy.c224
2 files changed, 0 insertions, 225 deletions
diff --git a/drivers/soc/lantiq/Makefile b/drivers/soc/lantiq/Makefile
index be9e866d53e5..35aa86bd1023 100644
--- a/drivers/soc/lantiq/Makefile
+++ b/drivers/soc/lantiq/Makefile
@@ -1,2 +1 @@
obj-y += fpi-bus.o
-obj-$(CONFIG_XRX200_PHY_FW) += gphy.o
diff --git a/drivers/soc/lantiq/gphy.c b/drivers/soc/lantiq/gphy.c
deleted file mode 100644
index feeb17cebc25..000000000000
--- a/drivers/soc/lantiq/gphy.c
+++ /dev/null
@@ -1,224 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- *
- * Copyright (C) 2012 John Crispin <blogic@phrozen.org>
- * Copyright (C) 2016 Martin Blumenstingl <martin.blumenstingl@googlemail.com>
- * Copyright (C) 2017 Hauke Mehrtens <hauke@hauke-m.de>
- */
-
-#include <linux/clk.h>
-#include <linux/delay.h>
-#include <linux/dma-mapping.h>
-#include <linux/firmware.h>
-#include <linux/mfd/syscon.h>
-#include <linux/module.h>
-#include <linux/reboot.h>
-#include <linux/regmap.h>
-#include <linux/reset.h>
-#include <linux/of_device.h>
-#include <linux/of_platform.h>
-#include <linux/property.h>
-#include <dt-bindings/mips/lantiq_rcu_gphy.h>
-
-#include <lantiq_soc.h>
-
-#define XRX200_GPHY_FW_ALIGN (16 * 1024)
-
-struct xway_gphy_priv {
- struct clk *gphy_clk_gate;
- struct reset_control *gphy_reset;
- struct reset_control *gphy_reset2;
- void __iomem *membase;
- char *fw_name;
-};
-
-struct xway_gphy_match_data {
- char *fe_firmware_name;
- char *ge_firmware_name;
-};
-
-static const struct xway_gphy_match_data xrx200a1x_gphy_data = {
- .fe_firmware_name = "lantiq/xrx200_phy22f_a14.bin",
- .ge_firmware_name = "lantiq/xrx200_phy11g_a14.bin",
-};
-
-static const struct xway_gphy_match_data xrx200a2x_gphy_data = {
- .fe_firmware_name = "lantiq/xrx200_phy22f_a22.bin",
- .ge_firmware_name = "lantiq/xrx200_phy11g_a22.bin",
-};
-
-static const struct xway_gphy_match_data xrx300_gphy_data = {
- .fe_firmware_name = "lantiq/xrx300_phy22f_a21.bin",
- .ge_firmware_name = "lantiq/xrx300_phy11g_a21.bin",
-};
-
-static const struct of_device_id xway_gphy_match[] = {
- { .compatible = "lantiq,xrx200a1x-gphy", .data = &xrx200a1x_gphy_data },
- { .compatible = "lantiq,xrx200a2x-gphy", .data = &xrx200a2x_gphy_data },
- { .compatible = "lantiq,xrx300-gphy", .data = &xrx300_gphy_data },
- { .compatible = "lantiq,xrx330-gphy", .data = &xrx300_gphy_data },
- {},
-};
-MODULE_DEVICE_TABLE(of, xway_gphy_match);
-
-static int xway_gphy_load(struct device *dev, struct xway_gphy_priv *priv,
- dma_addr_t *dev_addr)
-{
- const struct firmware *fw;
- void *fw_addr;
- dma_addr_t dma_addr;
- size_t size;
- int ret;
-
- ret = request_firmware(&fw, priv->fw_name, dev);
- if (ret) {
- dev_err(dev, "failed to load firmware: %s, error: %i\n",
- priv->fw_name, ret);
- return ret;
- }
-
- /*
- * GPHY cores need the firmware code in a persistent and contiguous
- * memory area with a 16 kB boundary aligned start address.
- */
- size = fw->size + XRX200_GPHY_FW_ALIGN;
-
- fw_addr = dmam_alloc_coherent(dev, size, &dma_addr, GFP_KERNEL);
- if (fw_addr) {
- fw_addr = PTR_ALIGN(fw_addr, XRX200_GPHY_FW_ALIGN);
- *dev_addr = ALIGN(dma_addr, XRX200_GPHY_FW_ALIGN);
- memcpy(fw_addr, fw->data, fw->size);
- } else {
- dev_err(dev, "failed to alloc firmware memory\n");
- ret = -ENOMEM;
- }
-
- release_firmware(fw);
-
- return ret;
-}
-
-static int xway_gphy_of_probe(struct platform_device *pdev,
- struct xway_gphy_priv *priv)
-{
- struct device *dev = &pdev->dev;
- const struct xway_gphy_match_data *gphy_fw_name_cfg;
- u32 gphy_mode;
- int ret;
- struct resource *res_gphy;
-
- gphy_fw_name_cfg = of_device_get_match_data(dev);
-
- priv->gphy_clk_gate = devm_clk_get(dev, NULL);
- if (IS_ERR(priv->gphy_clk_gate)) {
- dev_err(dev, "Failed to lookup gate clock\n");
- return PTR_ERR(priv->gphy_clk_gate);
- }
-
- res_gphy = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- priv->membase = devm_ioremap_resource(dev, res_gphy);
- if (IS_ERR(priv->membase))
- return PTR_ERR(priv->membase);
-
- priv->gphy_reset = devm_reset_control_get(dev, "gphy");
- if (IS_ERR(priv->gphy_reset)) {
- if (PTR_ERR(priv->gphy_reset) != -EPROBE_DEFER)
- dev_err(dev, "Failed to lookup gphy reset\n");
- return PTR_ERR(priv->gphy_reset);
- }
-
- priv->gphy_reset2 = devm_reset_control_get_optional(dev, "gphy2");
- if (IS_ERR(priv->gphy_reset2))
- return PTR_ERR(priv->gphy_reset2);
-
- ret = device_property_read_u32(dev, "lantiq,gphy-mode", &gphy_mode);
- /* Default to GE mode */
- if (ret)
- gphy_mode = GPHY_MODE_GE;
-
- switch (gphy_mode) {
- case GPHY_MODE_FE:
- priv->fw_name = gphy_fw_name_cfg->fe_firmware_name;
- break;
- case GPHY_MODE_GE:
- priv->fw_name = gphy_fw_name_cfg->ge_firmware_name;
- break;
- default:
- dev_err(dev, "Unknown GPHY mode %d\n", gphy_mode);
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int xway_gphy_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct xway_gphy_priv *priv;
- dma_addr_t fw_addr = 0;
- int ret;
-
- priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- ret = xway_gphy_of_probe(pdev, priv);
- if (ret)
- return ret;
-
- ret = clk_prepare_enable(priv->gphy_clk_gate);
- if (ret)
- return ret;
-
- ret = xway_gphy_load(dev, priv, &fw_addr);
- if (ret) {
- clk_disable_unprepare(priv->gphy_clk_gate);
- return ret;
- }
-
- reset_control_assert(priv->gphy_reset);
- reset_control_assert(priv->gphy_reset2);
-
- iowrite32be(fw_addr, priv->membase);
-
- reset_control_deassert(priv->gphy_reset);
- reset_control_deassert(priv->gphy_reset2);
-
- platform_set_drvdata(pdev, priv);
-
- return ret;
-}
-
-static int xway_gphy_remove(struct platform_device *pdev)
-{
- struct xway_gphy_priv *priv = platform_get_drvdata(pdev);
-
- iowrite32be(0, priv->membase);
-
- clk_disable_unprepare(priv->gphy_clk_gate);
-
- return 0;
-}
-
-static struct platform_driver xway_gphy_driver = {
- .probe = xway_gphy_probe,
- .remove = xway_gphy_remove,
- .driver = {
- .name = "xway-rcu-gphy",
- .of_match_table = xway_gphy_match,
- },
-};
-
-module_platform_driver(xway_gphy_driver);
-
-MODULE_FIRMWARE("lantiq/xrx300_phy11g_a21.bin");
-MODULE_FIRMWARE("lantiq/xrx300_phy22f_a21.bin");
-MODULE_FIRMWARE("lantiq/xrx200_phy11g_a14.bin");
-MODULE_FIRMWARE("lantiq/xrx200_phy11g_a22.bin");
-MODULE_FIRMWARE("lantiq/xrx200_phy22f_a14.bin");
-MODULE_FIRMWARE("lantiq/xrx200_phy22f_a22.bin");
-MODULE_AUTHOR("Martin Blumenstingl <martin.blumenstingl@googlemail.com>");
-MODULE_DESCRIPTION("Lantiq XWAY GPHY Firmware Loader");
-MODULE_LICENSE("GPL");