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author | Jonas Gorski <jogo@openwrt.org> | 2013-01-04 14:47:43 +0000 |
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committer | Jonas Gorski <jogo@openwrt.org> | 2013-01-04 14:47:43 +0000 |
commit | 10fc07daacfee223f869397d356d1481e4094e12 (patch) | |
tree | 6a82d3ed0768bbed69af8bdce78fa4434bb3cf72 /target/linux/brcm63xx/patches-3.3/021-hw_random-add-Broadcom-BCM63xx-RNG-driver.patch | |
parent | 3b7882e7752f154ce6407c892e7b92015c5c3481 (diff) | |
download | upstream-10fc07daacfee223f869397d356d1481e4094e12.tar.gz upstream-10fc07daacfee223f869397d356d1481e4094e12.tar.bz2 upstream-10fc07daacfee223f869397d356d1481e4094e12.zip |
bcm63xx: remove 3.3 support
3.6 is tested enough to be considered stable.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 35009
Diffstat (limited to 'target/linux/brcm63xx/patches-3.3/021-hw_random-add-Broadcom-BCM63xx-RNG-driver.patch')
-rw-r--r-- | target/linux/brcm63xx/patches-3.3/021-hw_random-add-Broadcom-BCM63xx-RNG-driver.patch | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/target/linux/brcm63xx/patches-3.3/021-hw_random-add-Broadcom-BCM63xx-RNG-driver.patch b/target/linux/brcm63xx/patches-3.3/021-hw_random-add-Broadcom-BCM63xx-RNG-driver.patch deleted file mode 100644 index 7e66fd52a0..0000000000 --- a/target/linux/brcm63xx/patches-3.3/021-hw_random-add-Broadcom-BCM63xx-RNG-driver.patch +++ /dev/null @@ -1,229 +0,0 @@ -From 1cfc5c76c5f48359716bd804daef2f2f7554fb4a Mon Sep 17 00:00:00 2001 -From: Florian Fainelli <florian@openwrt.org> -Date: Tue, 31 Jan 2012 15:12:25 +0100 -Subject: [PATCH 6/6] hw_random: add Broadcom BCM63xx RNG driver - -Signed-off-by: Florian Fainelli <florian@openwrt.org> -Cc: linux-mips@linux-mips.org -Cc: mpm@selenic.com -Cc: herbert@gondor.apana.org.au -Patchwork: https://patchwork.linux-mips.org/patch/3327/ -Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---- - drivers/char/hw_random/Kconfig | 14 +++ - drivers/char/hw_random/Makefile | 1 + - drivers/char/hw_random/bcm63xx-rng.c | 175 ++++++++++++++++++++++++++++++++++ - 3 files changed, 190 insertions(+), 0 deletions(-) - create mode 100644 drivers/char/hw_random/bcm63xx-rng.c - ---- a/drivers/char/hw_random/Kconfig -+++ b/drivers/char/hw_random/Kconfig -@@ -73,6 +73,20 @@ config HW_RANDOM_ATMEL - - If unsure, say Y. - -+config HW_RANDOM_BCM63XX -+ tristate "Broadcom BCM63xx Random Number Generator support" -+ depends on HW_RANDOM && BCM63XX -+ default HW_RANDOM -+ ---help--- -+ This driver provides kernel-side support for the Random Number -+ Generator hardware found on the Broadcom BCM63xx SoCs. -+ -+ To compile this driver as a module, choose M here: the -+ module will be called bcm63xx-rng -+ -+ If unusure, say Y. -+ -+ - config HW_RANDOM_GEODE - tristate "AMD Geode HW Random Number Generator support" - depends on HW_RANDOM && X86_32 && PCI ---- a/drivers/char/hw_random/Makefile -+++ b/drivers/char/hw_random/Makefile -@@ -8,6 +8,7 @@ obj-$(CONFIG_HW_RANDOM_TIMERIOMEM) += ti - obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o - obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o - obj-$(CONFIG_HW_RANDOM_ATMEL) += atmel-rng.o -+obj-$(CONFIG_HW_RANDOM_BCM63XX) += bcm63xx-rng.o - obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o - obj-$(CONFIG_HW_RANDOM_N2RNG) += n2-rng.o - n2-rng-y := n2-drv.o n2-asm.o ---- /dev/null -+++ b/drivers/char/hw_random/bcm63xx-rng.c -@@ -0,0 +1,175 @@ -+/* -+ * Broadcom BCM63xx Random Number Generator support -+ * -+ * Copyright (C) 2011, Florian Fainelli <florian@openwrt.org> -+ * Copyright (C) 2009, Broadcom Corporation -+ * -+ */ -+#include <linux/module.h> -+#include <linux/slab.h> -+#include <linux/io.h> -+#include <linux/err.h> -+#include <linux/clk.h> -+#include <linux/platform_device.h> -+#include <linux/hw_random.h> -+ -+#include <bcm63xx_io.h> -+#include <bcm63xx_regs.h> -+ -+struct bcm63xx_rng_priv { -+ struct clk *clk; -+ void __iomem *regs; -+}; -+ -+#define to_rng_priv(rng) ((struct bcm63xx_rng_priv *)rng->priv) -+ -+static int bcm63xx_rng_init(struct hwrng *rng) -+{ -+ struct bcm63xx_rng_priv *priv = to_rng_priv(rng); -+ u32 val; -+ -+ val = bcm_readl(priv->regs + RNG_CTRL); -+ val |= RNG_EN; -+ bcm_writel(val, priv->regs + RNG_CTRL); -+ -+ return 0; -+} -+ -+static void bcm63xx_rng_cleanup(struct hwrng *rng) -+{ -+ struct bcm63xx_rng_priv *priv = to_rng_priv(rng); -+ u32 val; -+ -+ val = bcm_readl(priv->regs + RNG_CTRL); -+ val &= ~RNG_EN; -+ bcm_writel(val, priv->regs + RNG_CTRL); -+} -+ -+static int bcm63xx_rng_data_present(struct hwrng *rng, int wait) -+{ -+ struct bcm63xx_rng_priv *priv = to_rng_priv(rng); -+ -+ return bcm_readl(priv->regs + RNG_STAT) & RNG_AVAIL_MASK; -+} -+ -+static int bcm63xx_rng_data_read(struct hwrng *rng, u32 *data) -+{ -+ struct bcm63xx_rng_priv *priv = to_rng_priv(rng); -+ -+ *data = bcm_readl(priv->regs + RNG_DATA); -+ -+ return 4; -+} -+ -+static int __init bcm63xx_rng_probe(struct platform_device *pdev) -+{ -+ struct resource *r; -+ struct clk *clk; -+ int ret; -+ struct bcm63xx_rng_priv *priv; -+ struct hwrng *rng; -+ -+ r = platform_get_resource(pdev, IORESOURCE_MEM, 0); -+ if (!r) { -+ dev_err(&pdev->dev, "no iomem resource\n"); -+ ret = -ENXIO; -+ goto out; -+ } -+ -+ priv = kzalloc(sizeof(*priv), GFP_KERNEL); -+ if (!priv) { -+ dev_err(&pdev->dev, "no memory for private structure\n"); -+ ret = -ENOMEM; -+ goto out; -+ } -+ -+ rng = kzalloc(sizeof(*rng), GFP_KERNEL); -+ if (!rng) { -+ dev_err(&pdev->dev, "no memory for rng structure\n"); -+ ret = -ENOMEM; -+ goto out_free_priv; -+ } -+ -+ platform_set_drvdata(pdev, rng); -+ rng->priv = (unsigned long)priv; -+ rng->name = pdev->name; -+ rng->init = bcm63xx_rng_init; -+ rng->cleanup = bcm63xx_rng_cleanup; -+ rng->data_present = bcm63xx_rng_data_present; -+ rng->data_read = bcm63xx_rng_data_read; -+ -+ clk = clk_get(&pdev->dev, "ipsec"); -+ if (IS_ERR(clk)) { -+ dev_err(&pdev->dev, "no clock for device\n"); -+ ret = PTR_ERR(clk); -+ goto out_free_rng; -+ } -+ -+ priv->clk = clk; -+ -+ if (!devm_request_mem_region(&pdev->dev, r->start, -+ resource_size(r), pdev->name)) { -+ dev_err(&pdev->dev, "request mem failed"); -+ ret = -ENOMEM; -+ goto out_free_rng; -+ } -+ -+ priv->regs = devm_ioremap_nocache(&pdev->dev, r->start, -+ resource_size(r)); -+ if (!priv->regs) { -+ dev_err(&pdev->dev, "ioremap failed"); -+ ret = -ENOMEM; -+ goto out_free_rng; -+ } -+ -+ clk_enable(clk); -+ -+ ret = hwrng_register(rng); -+ if (ret) { -+ dev_err(&pdev->dev, "failed to register rng device\n"); -+ goto out_clk_disable; -+ } -+ -+ dev_info(&pdev->dev, "registered RNG driver\n"); -+ -+ return 0; -+ -+out_clk_disable: -+ clk_disable(clk); -+out_free_rng: -+ platform_set_drvdata(pdev, NULL); -+ kfree(rng); -+out_free_priv: -+ kfree(priv); -+out: -+ return ret; -+} -+ -+static int __devexit bcm63xx_rng_remove(struct platform_device *pdev) -+{ -+ struct hwrng *rng = platform_get_drvdata(pdev); -+ struct bcm63xx_rng_priv *priv = to_rng_priv(rng); -+ -+ hwrng_unregister(rng); -+ clk_disable(priv->clk); -+ kfree(priv); -+ kfree(rng); -+ platform_set_drvdata(pdev, NULL); -+ -+ return 0; -+} -+ -+static struct platform_driver bcm63xx_rng_driver = { -+ .probe = bcm63xx_rng_probe, -+ .remove = __devexit_p(bcm63xx_rng_remove), -+ .driver = { -+ .name = "bcm63xx-rng", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+module_platform_driver(bcm63xx_rng_driver); -+ -+MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>"); -+MODULE_DESCRIPTION("Broadcom BCM63xx RNG driver"); -+MODULE_LICENSE("GPL"); |