diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.7/0006-MIPS-lantiq-adds-GPHY-firmware-loader.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.7/0006-MIPS-lantiq-adds-GPHY-firmware-loader.patch | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/target/linux/lantiq/patches-3.7/0006-MIPS-lantiq-adds-GPHY-firmware-loader.patch b/target/linux/lantiq/patches-3.7/0006-MIPS-lantiq-adds-GPHY-firmware-loader.patch deleted file mode 100644 index b8ff6b844d..0000000000 --- a/target/linux/lantiq/patches-3.7/0006-MIPS-lantiq-adds-GPHY-firmware-loader.patch +++ /dev/null @@ -1,134 +0,0 @@ -From 0224cde212df4abf251f89c3724a800b1949a774 Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Mon, 22 Oct 2012 07:52:50 +0200 -Subject: [PATCH 6/6] MIPS: lantiq: adds GPHY firmware loader - -The internal GPHYs need a firmware blob to function properly. This patch adds -the code needed to request the blob and load it to the PHY. - -Signed-off-by: John Crispin <blogic@openwrt.org> -Patchwork: http://patchwork.linux-mips.org/patch/4523 ---- - arch/mips/lantiq/Kconfig | 4 ++ - arch/mips/lantiq/xway/Makefile | 2 + - arch/mips/lantiq/xway/xrx200_phy_fw.c | 97 +++++++++++++++++++++++++++++++++ - 3 files changed, 103 insertions(+) - create mode 100644 arch/mips/lantiq/xway/xrx200_phy_fw.c - ---- a/arch/mips/lantiq/Kconfig -+++ b/arch/mips/lantiq/Kconfig -@@ -36,4 +36,8 @@ config PCI_LANTIQ - bool "PCI Support" - depends on SOC_XWAY && PCI - -+config XRX200_PHY_FW -+ bool "XRX200 PHY firmware loader" -+ depends on SOC_XWAY -+ - endif ---- a/arch/mips/lantiq/xway/Makefile -+++ b/arch/mips/lantiq/xway/Makefile -@@ -1 +1,3 @@ - obj-y := prom.o sysctrl.o clk.o reset.o dma.o gptu.o -+ -+obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o ---- /dev/null -+++ b/arch/mips/lantiq/xway/xrx200_phy_fw.c -@@ -0,0 +1,97 @@ -+/* -+ * 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@openwrt.org> -+ */ -+ -+#include <linux/delay.h> -+#include <linux/dma-mapping.h> -+#include <linux/module.h> -+#include <linux/firmware.h> -+#include <linux/of_platform.h> -+ -+#include <lantiq_soc.h> -+ -+#define XRX200_GPHY_FW_ALIGN (16 * 1024) -+ -+static dma_addr_t xway_gphy_load(struct platform_device *pdev) -+{ -+ const struct firmware *fw; -+ dma_addr_t dev_addr = 0; -+ const char *fw_name; -+ void *fw_addr; -+ size_t size; -+ -+ if (of_property_read_string(pdev->dev.of_node, "firmware", &fw_name)) { -+ dev_err(&pdev->dev, "failed to load firmware filename\n"); -+ return 0; -+ } -+ -+ dev_info(&pdev->dev, "requesting %s\n", fw_name); -+ if (request_firmware(&fw, fw_name, &pdev->dev)) { -+ dev_err(&pdev->dev, "failed to load firmware: %s\n", fw_name); -+ return 0; -+ } -+ -+ /* -+ * 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 = dma_alloc_coherent(&pdev->dev, size, &dev_addr, GFP_KERNEL); -+ if (fw_addr) { -+ fw_addr = PTR_ALIGN(fw_addr, XRX200_GPHY_FW_ALIGN); -+ dev_addr = ALIGN(dev_addr, XRX200_GPHY_FW_ALIGN); -+ memcpy(fw_addr, fw->data, fw->size); -+ } else { -+ dev_err(&pdev->dev, "failed to alloc firmware memory\n"); -+ } -+ -+ release_firmware(fw); -+ return dev_addr; -+} -+ -+static int __devinit xway_phy_fw_probe(struct platform_device *pdev) -+{ -+ dma_addr_t fw_addr; -+ struct property *pp; -+ unsigned char *phyids; -+ int i, ret = 0; -+ -+ fw_addr = xway_gphy_load(pdev); -+ if (!fw_addr) -+ return -EINVAL; -+ pp = of_find_property(pdev->dev.of_node, "phys", NULL); -+ if (!pp) -+ return -ENOENT; -+ phyids = pp->value; -+ for (i = 0; i < pp->length && !ret; i++) -+ ret = xrx200_gphy_boot(&pdev->dev, phyids[i], fw_addr); -+ if (!ret) -+ mdelay(100); -+ return ret; -+} -+ -+static const struct of_device_id xway_phy_match[] = { -+ { .compatible = "lantiq,phy-xrx200" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, xway_phy_match); -+ -+static struct platform_driver xway_phy_driver = { -+ .probe = xway_phy_fw_probe, -+ .driver = { -+ .name = "phy-xrx200", -+ .owner = THIS_MODULE, -+ .of_match_table = xway_phy_match, -+ }, -+}; -+ -+module_platform_driver(xway_phy_driver); -+ -+MODULE_AUTHOR("John Crispin <blogic@openwrt.org>"); -+MODULE_DESCRIPTION("Lantiq XRX200 PHY Firmware Loader"); -+MODULE_LICENSE("GPL"); |