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author | John Crispin <blogic@openwrt.org> | 2014-08-18 13:09:30 +0000 |
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committer | John Crispin <blogic@openwrt.org> | 2014-08-18 13:09:30 +0000 |
commit | 6e787b6f14eb598b3584bc48e9678f5c542e50d3 (patch) | |
tree | e4801c3cb7d4217b992293bbfe69af22237a14da /target/linux/lantiq/patches-3.14/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch | |
parent | a7b7f7d885f148809e0a83802bed834f0bfc3bf8 (diff) | |
download | upstream-6e787b6f14eb598b3584bc48e9678f5c542e50d3.tar.gz upstream-6e787b6f14eb598b3584bc48e9678f5c542e50d3.tar.bz2 upstream-6e787b6f14eb598b3584bc48e9678f5c542e50d3.zip |
lantiq: update to 3.14
Signed-off-by: John Crispin <blogic@openwrt.org>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42188 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/lantiq/patches-3.14/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch')
-rw-r--r-- | target/linux/lantiq/patches-3.14/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.14/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch b/target/linux/lantiq/patches-3.14/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch new file mode 100644 index 0000000000..36a53f2bae --- /dev/null +++ b/target/linux/lantiq/patches-3.14/0003-MIPS-lantiq-handle-vmmc-memory-reservation.patch @@ -0,0 +1,94 @@ +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 03/31] 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 + +diff --git a/arch/mips/lantiq/xway/Makefile b/arch/mips/lantiq/xway/Makefile +index 087497d..a2edc53 100644 +--- 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 +diff --git a/arch/mips/lantiq/xway/vmmc.c b/arch/mips/lantiq/xway/vmmc.c +new file mode 100644 +index 0000000..cea0ff9 +--- /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); +-- +1.7.10.4 + |