From d5103604f78e1afc29e586785af540c82b573f3a Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sun, 20 Aug 2017 00:18:20 +0200 Subject: [PATCH] MIPS: lantiq: remove old GPHY loader code The GPHY loader was replaced by a new more flexible driver. Remove the old driver. Signed-off-by: Hauke Mehrtens Cc: martin.blumenstingl@googlemail.com Cc: john@phrozen.org Cc: robh@kernel.org Cc: andy.shevchenko@gmail.com Cc: p.zabel@pengutronix.de Cc: kishon@ti.com Cc: mark.rutland@arm.com Cc: linux-mips@linux-mips.org Cc: linux-mtd@lists.infradead.org Cc: linux-watchdog@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-spi@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/17129/ Signed-off-by: Ralf Baechle --- arch/mips/lantiq/xway/Makefile | 2 - arch/mips/lantiq/xway/reset.c | 106 ------------------------------- arch/mips/lantiq/xway/xrx200_phy_fw.c | 113 ---------------------------------- 3 files changed, 221 deletions(-) delete mode 100644 arch/mips/lantiq/xway/xrx200_phy_fw.c diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile index a2edc53..6daf314 100644 --- a/arch/mips/lantiq/xway/Makefile +++ b/arch/mips/lantiq/xway/Makefile @@ -1,5 +1,3 @@ obj-y := prom.o sysctrl.o clk.o reset.o dma.o gptu.o dcdc.o obj-y += vmmc.o - -obj-$(CONFIG_XRX200_PHY_FW) += xrx200_phy_fw.o diff --git a/arch/mips/lantiq/xway/reset.c b/arch/mips/lantiq/xway/reset.c index 5cb9309..be5fd29 100644 --- a/arch/mips/lantiq/xway/reset.c +++ b/arch/mips/lantiq/xway/reset.c @@ -27,18 +27,6 @@ #define RCU_RST_REQ 0x0010 /* reset status register */ #define RCU_RST_STAT 0x0014 -/* vr9 gphy registers */ -#define RCU_GFS_ADD0_XRX200 0x0020 -#define RCU_GFS_ADD1_XRX200 0x0068 -/* xRX300 gphy registers */ -#define RCU_GFS_ADD0_XRX300 0x0020 -#define RCU_GFS_ADD1_XRX300 0x0058 -#define RCU_GFS_ADD2_XRX300 0x00AC -/* xRX330 gphy registers */ -#define RCU_GFS_ADD0_XRX330 0x0020 -#define RCU_GFS_ADD1_XRX330 0x0058 -#define RCU_GFS_ADD2_XRX330 0x00AC -#define RCU_GFS_ADD3_XRX330 0x0264 /* xbar BE flag */ #define RCU_AHB_ENDIAN 0x004C @@ -48,15 +36,6 @@ #define RCU_RD_GPHY0_XRX200 BIT(31) #define RCU_RD_SRST BIT(30) #define RCU_RD_GPHY1_XRX200 BIT(29) -/* xRX300 bits */ -#define RCU_RD_GPHY0_XRX300 BIT(31) -#define RCU_RD_GPHY1_XRX300 BIT(29) -#define RCU_RD_GPHY2_XRX300 BIT(28) -/* xRX330 bits */ -#define RCU_RD_GPHY0_XRX330 BIT(31) -#define RCU_RD_GPHY1_XRX330 BIT(29) -#define RCU_RD_GPHY2_XRX330 BIT(28) -#define RCU_RD_GPHY3_XRX330 BIT(10) /* reset cause */ #define RCU_STAT_SHIFT 26 @@ -98,7 +77,6 @@ /* remapped base addr of the reset control unit */ static void __iomem *ltq_rcu_membase; static struct device_node *ltq_rcu_np; -static DEFINE_SPINLOCK(ltq_rcu_lock); static void ltq_rcu_w32(uint32_t val, uint32_t reg_off) { @@ -110,90 +88,6 @@ static uint32_t ltq_rcu_r32(uint32_t reg_off) return ltq_r32(ltq_rcu_membase + reg_off); } -static void ltq_rcu_w32_mask(uint32_t clr, uint32_t set, uint32_t reg_off) -{ - unsigned long flags; - - spin_lock_irqsave(<q_rcu_lock, flags); - ltq_rcu_w32((ltq_rcu_r32(reg_off) & ~(clr)) | (set), reg_off); - spin_unlock_irqrestore(<q_rcu_lock, flags); -} - -struct ltq_gphy_reset { - u32 rd; - u32 addr; -}; - -/* reset / boot a gphy */ -static struct ltq_gphy_reset xrx200_gphy[] = { - {RCU_RD_GPHY0_XRX200, RCU_GFS_ADD0_XRX200}, - {RCU_RD_GPHY1_XRX200, RCU_GFS_ADD1_XRX200}, -}; - -/* reset / boot a gphy */ -static struct ltq_gphy_reset xrx300_gphy[] = { - {RCU_RD_GPHY0_XRX300, RCU_GFS_ADD0_XRX300}, - {RCU_RD_GPHY1_XRX300, RCU_GFS_ADD1_XRX300}, - {RCU_RD_GPHY2_XRX300, RCU_GFS_ADD2_XRX300}, -}; - -/* reset / boot a gphy */ -static struct ltq_gphy_reset xrx330_gphy[] = { - {RCU_RD_GPHY0_XRX330, RCU_GFS_ADD0_XRX330}, - {RCU_RD_GPHY1_XRX330, RCU_GFS_ADD1_XRX330}, - {RCU_RD_GPHY2_XRX330, RCU_GFS_ADD2_XRX330}, - {RCU_RD_GPHY3_XRX330, RCU_GFS_ADD3_XRX330}, -}; - -static void xrx200_gphy_boot_addr(struct ltq_gphy_reset *phy_regs, - dma_addr_t dev_addr) -{ - ltq_rcu_w32_mask(0, phy_regs->rd, RCU_RST_REQ); - ltq_rcu_w32(dev_addr, phy_regs->addr); - ltq_rcu_w32_mask(phy_regs->rd, 0, RCU_RST_REQ); -} - -/* reset and boot a gphy. these phys only exist on xrx200 SoC */ -int xrx200_gphy_boot(struct device *dev, unsigned int id, dma_addr_t dev_addr) -{ - struct clk *clk; - - if (!of_device_is_compatible(ltq_rcu_np, "lantiq,rcu-xrx200")) { - dev_err(dev, "this SoC has no GPHY\n"); - return -EINVAL; - } - - if (of_machine_is_compatible("lantiq,vr9")) { - clk = clk_get_sys("1f203000.rcu", "gphy"); - if (IS_ERR(clk)) - return PTR_ERR(clk); - clk_enable(clk); - } - - dev_info(dev, "booting GPHY%u firmware at %X\n", id, dev_addr); - - if (of_machine_is_compatible("lantiq,vr9")) { - if (id >= ARRAY_SIZE(xrx200_gphy)) { - dev_err(dev, "%u is an invalid gphy id\n", id); - return -EINVAL; - } - xrx200_gphy_boot_addr(&xrx200_gphy[id], dev_addr); - } else if (of_machine_is_compatible("lantiq,ar10")) { - if (id >= ARRAY_SIZE(xrx300_gphy)) { - dev_err(dev, "%u is an invalid gphy id\n", id); - return -EINVAL; - } - xrx200_gphy_boot_addr(&xrx300_gphy[id], dev_addr); - } else if (of_machine_is_compatible("lantiq,grx390")) { - if (id >= ARRAY_SIZE(xrx330_gphy)) { - dev_err(dev, "%u is an invalid gphy id\n", id); - return -EINVAL; - } - xrx200_gphy_boot_addr(&xrx330_gphy[id], dev_addr); - } - return 0; -} - static void ltq_machine_restart(char *command) { u32 val = ltq_rcu_r32(RCU_RST_REQ); diff --git a/arch/mips/lantiq/xway/xrx200_phy_fw.c b/arch/mips/lantiq/xway/xrx200_phy_fw.c deleted file mode 100644 index f0a0f2d..0000000 --- a/arch/mips/lantiq/xway/xrx200_phy_fw.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Lantiq XRX200 PHY Firmware Loader - * Author: John Crispin - * - * 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 - */ - -#include -#include -#include -#include - -#include - -#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_get_property(pdev->dev.of_node, "firmware1", NULL) || - of_get_property(pdev->dev.of_node, "firmware2", NULL)) { - switch (ltq_soc_type()) { - case SOC_TYPE_VR9: - if (of_property_read_string(pdev->dev.of_node, - "firmware1", &fw_name)) { - dev_err(&pdev->dev, - "failed to load firmware filename\n"); - return 0; - } - break; - case SOC_TYPE_VR9_2: - if (of_property_read_string(pdev->dev.of_node, - "firmware2", &fw_name)) { - dev_err(&pdev->dev, - "failed to load firmware filename\n"); - return 0; - } - break; - } - } else 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 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" }, - {}, -}; - -static struct platform_driver xway_phy_driver = { - .probe = xway_phy_fw_probe, - .driver = { - .name = "phy-xrx200", - .of_match_table = xway_phy_match, - }, -}; -builtin_platform_driver(xway_phy_driver); -- 2.7.4