diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.18/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch')
-rw-r--r-- | target/linux/lantiq/patches-3.18/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/target/linux/lantiq/patches-3.18/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch b/target/linux/lantiq/patches-3.18/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch deleted file mode 100644 index cc281b6f8f..0000000000 --- a/target/linux/lantiq/patches-3.18/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch +++ /dev/null @@ -1,86 +0,0 @@ -From 16e315864132b59749faff739230daf4cee9abbb Mon Sep 17 00:00:00 2001 -From: John Crispin <blogic@openwrt.org> -Date: Wed, 13 Mar 2013 10:04:01 +0100 -Subject: [PATCH 03/36] MIPS: lantiq: handle vmmc memory reservation - -Signed-off-by: John Crispin <blogic@openwrt.org> ---- - arch/mips/lantiq/xway/Makefile | 2 ++ - arch/mips/lantiq/xway/vmmc.c | 63 ++++++++++++++++++++++++++++++++++++++++ - 2 files changed, 65 insertions(+) - create mode 100644 arch/mips/lantiq/xway/vmmc.c - ---- a/arch/mips/lantiq/xway/Makefile -+++ b/arch/mips/lantiq/xway/Makefile -@@ -1,3 +1,5 @@ - 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 ---- /dev/null -+++ b/arch/mips/lantiq/xway/vmmc.c -@@ -0,0 +1,63 @@ -+/* -+ * 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/module.h> -+#include <linux/of_platform.h> -+#include <linux/of_gpio.h> -+#include <linux/dma-mapping.h> -+ -+#include <lantiq_soc.h> -+ -+static unsigned int *cp1_base = 0; -+unsigned int* ltq_get_cp1_base(void) -+{ -+ if (!cp1_base) -+ panic("no cp1 base was set\n"); -+ return cp1_base; -+} -+EXPORT_SYMBOL(ltq_get_cp1_base); -+ -+static int vmmc_probe(struct platform_device *pdev) -+{ -+#define CP1_SIZE (1 << 20) -+ int gpio_count; -+ dma_addr_t dma; -+ cp1_base = -+ (void*)CPHYSADDR(dma_alloc_coherent(NULL, CP1_SIZE, &dma, GFP_ATOMIC)); -+ -+ gpio_count = of_gpio_count(pdev->dev.of_node); -+ while (gpio_count > 0) { -+ enum of_gpio_flags flags; -+ int gpio = of_get_gpio_flags(pdev->dev.of_node, --gpio_count, &flags); -+ if (gpio_request(gpio, "vmmc-relay")) -+ continue; -+ dev_info(&pdev->dev, "requested GPIO %d\n", gpio); -+ gpio_direction_output(gpio, (flags & OF_GPIO_ACTIVE_LOW) ? (0) : (1)); -+ } -+ -+ dev_info(&pdev->dev, "reserved %dMB at 0x%p", CP1_SIZE >> 20, cp1_base); -+ -+ return 0; -+} -+ -+static const struct of_device_id vmmc_match[] = { -+ { .compatible = "lantiq,vmmc" }, -+ {}, -+}; -+MODULE_DEVICE_TABLE(of, vmmc_match); -+ -+static struct platform_driver vmmc_driver = { -+ .probe = vmmc_probe, -+ .driver = { -+ .name = "lantiq,vmmc", -+ .owner = THIS_MODULE, -+ .of_match_table = vmmc_match, -+ }, -+}; -+ -+module_platform_driver(vmmc_driver); |