CONFIG_HAVE_PERF_EVENTS=y
CONFIG_HW_HAS_PCI=y
CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_BCM63XX is not set
CONFIG_HZ=250
# CONFIG_HZ_100 is not set
CONFIG_HZ_250=y
--- /dev/null
+From 41ee87b6ddd525fab54e21ede506f2084bcabed3 Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <florian@openwrt.org>
+Date: Wed, 25 Jan 2012 17:39:52 +0100
+Subject: [PATCH 14/63] MIPS: BCM63XX: fix BCM6368 IPSec clock bit
+
+The IPsec clock bit is 18 and not 17.
+
+Signed-off-by: Florian Fainelli <florian@openwrt.org>
+---
+ arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+@@ -99,7 +99,7 @@
+ #define CKCTL_6368_USBH_EN (1 << 15)
+ #define CKCTL_6368_DISABLE_GLESS_EN (1 << 16)
+ #define CKCTL_6368_NAND_EN (1 << 17)
+-#define CKCTL_6368_IPSEC_EN (1 << 17)
++#define CKCTL_6368_IPSEC_EN (1 << 18)
+
+ #define CKCTL_6368_ALL_SAFE_EN (CKCTL_6368_SWPKT_USB_EN | \
+ CKCTL_6368_SWPKT_SAR_EN | \
--- /dev/null
+From 69b21096e25889d7db7cfc159202ef0a16530e6b Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <florian@openwrt.org>
+Date: Wed, 25 Jan 2012 17:39:54 +0100
+Subject: [PATCH 15/63] MIPS: BCM63XX: add support for "ipsec" clock
+
+This module is only available on BCM6368 so far and does not require
+resetting the block.
+
+Signed-off-by: Florian Fainelli <florian@openwrt.org>
+---
+ arch/mips/bcm63xx/clk.c | 14 ++++++++++++++
+ 1 files changed, 14 insertions(+), 0 deletions(-)
+
+--- a/arch/mips/bcm63xx/clk.c
++++ b/arch/mips/bcm63xx/clk.c
+@@ -224,6 +224,18 @@ static struct clk clk_xtm = {
+ };
+
+ /*
++ * IPsec clock
++ */
++static void ipsec_set(struct clk *clk, int enable)
++{
++ bcm_hwclock_set(CKCTL_6368_IPSEC_EN, enable);
++}
++
++static struct clk clk_ipsec = {
++ .set = ipsec_set,
++};
++
++/*
+ * Internal peripheral clock
+ */
+ static struct clk clk_periph = {
+@@ -280,6 +292,8 @@ struct clk *clk_get(struct device *dev,
+ return &clk_periph;
+ if (BCMCPU_IS_6358() && !strcmp(id, "pcm"))
+ return &clk_pcm;
++ if (BCMCPU_IS_6368() && !strcmp(id, "ipsec"))
++ return &clk_ipsec;
+ return ERR_PTR(-ENOENT);
+ }
+
--- /dev/null
+From 913c171ebfe0d589bdf6efb8fd607258c96ea54a Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <florian@openwrt.org>
+Date: Wed, 25 Jan 2012 17:39:58 +0100
+Subject: [PATCH 16/63] MIPS: BCM63XX: add TRNG peripheral definitions
+
+Signed-off-by: Florian Fainelli <florian@openwrt.org>
+---
+ arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h | 9 +++++++++
+ arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 14 ++++++++++++++
+ 2 files changed, 23 insertions(+), 0 deletions(-)
+
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+@@ -129,6 +129,7 @@ enum bcm63xx_regs_set {
+ RSET_PCMDMA,
+ RSET_PCMDMAC,
+ RSET_PCMDMAS,
++ RSET_TRNG
+ };
+
+ #define RSET_DSL_LMEM_SIZE (64 * 1024 * 4)
+@@ -152,6 +153,7 @@ enum bcm63xx_regs_set {
+ #define RSET_XTMDMA_SIZE 256
+ #define RSET_XTMDMAC_SIZE(chans) (16 * (chans))
+ #define RSET_XTMDMAS_SIZE(chans) (16 * (chans))
++#define RSET_TRNG_SIZE 20
+
+ /*
+ * 6338 register sets base address
+@@ -195,6 +197,7 @@ enum bcm63xx_regs_set {
+ #define BCM_6338_PCMDMA_BASE (0xdeadbeef)
+ #define BCM_6338_PCMDMAC_BASE (0xdeadbeef)
+ #define BCM_6338_PCMDMAS_BASE (0xdeadbeef)
++#define BCM_6338_TRNG_BASE (0xdeadbeef)
+
+ /*
+ * 6345 register sets base address
+@@ -238,6 +241,7 @@ enum bcm63xx_regs_set {
+ #define BCM_6345_PCMDMA_BASE (0xdeadbeef)
+ #define BCM_6345_PCMDMAC_BASE (0xdeadbeef)
+ #define BCM_6345_PCMDMAS_BASE (0xdeadbeef)
++#define BCM_6345_TRNG_BASE (0xdeadbeef)
+
+ /*
+ * 6348 register sets base address
+@@ -278,6 +282,7 @@ enum bcm63xx_regs_set {
+ #define BCM_6348_PCMDMA_BASE (0xdeadbeef)
+ #define BCM_6348_PCMDMAC_BASE (0xdeadbeef)
+ #define BCM_6348_PCMDMAS_BASE (0xdeadbeef)
++#define BCM_6348_TRNG_BASE (0xdeadbeef)
+
+ /*
+ * 6358 register sets base address
+@@ -318,6 +323,7 @@ enum bcm63xx_regs_set {
+ #define BCM_6358_PCMDMA_BASE (0xfffe1800)
+ #define BCM_6358_PCMDMAC_BASE (0xfffe1900)
+ #define BCM_6358_PCMDMAS_BASE (0xfffe1a00)
++#define BCM_6358_TRNG_BASE (0xdeadbeef)
+
+
+ /*
+@@ -359,6 +365,7 @@ enum bcm63xx_regs_set {
+ #define BCM_6368_PCMDMA_BASE (0xb0005800)
+ #define BCM_6368_PCMDMAC_BASE (0xb0005a00)
+ #define BCM_6368_PCMDMAS_BASE (0xb0005c00)
++#define BCM_6368_TRNG_BASE (0xb0004180)
+
+
+ extern const unsigned long *bcm63xx_regs_base;
+@@ -404,6 +411,7 @@ extern const unsigned long *bcm63xx_regs
+ __GEN_RSET_BASE(__cpu, PCMDMA) \
+ __GEN_RSET_BASE(__cpu, PCMDMAC) \
+ __GEN_RSET_BASE(__cpu, PCMDMAS) \
++ __GEN_RSET_BASE(__cpu, TRNG) \
+ }
+
+ #define __GEN_CPU_REGS_TABLE(__cpu) \
+@@ -442,6 +450,7 @@ extern const unsigned long *bcm63xx_regs
+ [RSET_PCMDMA] = BCM_## __cpu ##_PCMDMA_BASE, \
+ [RSET_PCMDMAC] = BCM_## __cpu ##_PCMDMAC_BASE, \
+ [RSET_PCMDMAS] = BCM_## __cpu ##_PCMDMAS_BASE, \
++ [RSET_TRNG] = BCM_## __cpu ##_TRNG_BASE, \
+
+
+ static inline unsigned long bcm63xx_regset_address(enum bcm63xx_regs_set set)
+--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
++++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+@@ -1092,4 +1092,18 @@
+ #define SPI_SSOFFTIME_SHIFT 3
+ #define SPI_BYTE_SWAP 0x80
+
++/*************************************************************************
++ * _REG relative to RSET_TRNG
++ *************************************************************************/
++
++#define TRNG_CTRL 0x00
++#define TRNG_EN (1 << 0)
++
++#define TRNG_STAT 0x04
++#define TRNG_AVAIL_MASK (0xff000000)
++
++#define TRNG_DATA 0x08
++#define TRNG_THRES 0x0c
++#define TRNG_MASK 0x10
++
+ #endif /* BCM63XX_REGS_H_ */
--- /dev/null
+From cfcc8526e97bdcbfcbf945246b878262389b8842 Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <florian@openwrt.org>
+Date: Wed, 25 Jan 2012 17:39:59 +0100
+Subject: [PATCH 17/63] MIPS: BCM63XX: add RNG driver platform_device stub
+
+Signed-off-by: Florian Fainelli <florian@openwrt.org>
+---
+ arch/mips/bcm63xx/Makefile | 4 ++--
+ arch/mips/bcm63xx/dev-trng.c | 40 ++++++++++++++++++++++++++++++++++++++++
+ 2 files changed, 42 insertions(+), 2 deletions(-)
+ create mode 100644 arch/mips/bcm63xx/dev-trng.c
+
+--- a/arch/mips/bcm63xx/Makefile
++++ b/arch/mips/bcm63xx/Makefile
+@@ -1,6 +1,6 @@
+ obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
+- dev-dsp.o dev-enet.o dev-pcmcia.o dev-spi.o dev-uart.o \
+- dev-wdt.o
++ dev-dsp.o dev-enet.o dev-pcmcia.o dev-spi.o dev-trng.o \
++ dev-uart.o dev-wdt.o
+ obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
+
+ obj-y += boards/
+--- /dev/null
++++ b/arch/mips/bcm63xx/dev-trng.c
+@@ -0,0 +1,40 @@
++/*
++ * This file is subject to the terms and conditions of the GNU General Public
++ * License. See the file "COPYING" in the main directory of this archive
++ * for more details.
++ *
++ * Copyright (C) 2011 Florian Fainelli <florian@openwrt.org>
++ */
++
++#include <linux/init.h>
++#include <linux/kernel.h>
++#include <linux/platform_device.h>
++#include <bcm63xx_cpu.h>
++
++static struct resource trng_resources[] = {
++ {
++ .start = -1, /* filled at runtime */
++ .end = -1, /* filled at runtime */
++ .flags = IORESOURCE_MEM,
++ },
++};
++
++static struct platform_device bcm63xx_trng_device = {
++ .name = "bcm63xx-trng",
++ .id = -1,
++ .num_resources = ARRAY_SIZE(trng_resources),
++ .resource = trng_resources,
++};
++
++int __init bcm63xx_trng_register(void)
++{
++ if (!BCMCPU_IS_6368())
++ return -ENODEV;
++
++ trng_resources[0].start = bcm63xx_regset_address(RSET_TRNG);
++ trng_resources[0].end = trng_resources[0].start;
++ trng_resources[0].end += RSET_TRNG_SIZE - 1;
++
++ return platform_device_register(&bcm63xx_trng_device);
++}
++arch_initcall(bcm63xx_trng_register);
--- /dev/null
+From 21a474b37f905387d8908384a24c13d4f8513113 Mon Sep 17 00:00:00 2001
+From: Florian Fainelli <florian@openwrt.org>
+Date: Wed, 25 Jan 2012 17:40:02 +0100
+Subject: [PATCH 18/63] hw_random: add Broadcom BCM63xx RNG driver
+
+Signed-off-by: Florian Fainelli <florian@openwrt.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_trng_priv {
++ struct clk *clk;
++ void __iomem *regs;
++};
++
++#define to_trng_priv(rng) ((struct bcm63xx_trng_priv *)rng->priv)
++
++static int bcm63xx_trng_init(struct hwrng *rng)
++{
++ struct bcm63xx_trng_priv *priv = to_trng_priv(rng);
++ u32 val;
++
++ val = bcm_readl(priv->regs + TRNG_CTRL);
++ val |= TRNG_EN;
++ bcm_writel(val, priv->regs + TRNG_CTRL);
++
++ return 0;
++}
++
++static void bcm63xx_trng_cleanup(struct hwrng *rng)
++{
++ struct bcm63xx_trng_priv *priv = to_trng_priv(rng);
++ u32 val;
++
++ val = bcm_readl(priv->regs + TRNG_CTRL);
++ val &= ~TRNG_EN;
++ bcm_writel(val, priv->regs + TRNG_CTRL);
++}
++
++static int bcm63xx_trng_data_present(struct hwrng *rng, int wait)
++{
++ struct bcm63xx_trng_priv *priv = to_trng_priv(rng);
++
++ return bcm_readl(priv->regs + TRNG_STAT) & TRNG_AVAIL_MASK;
++}
++
++static int bcm63xx_trng_data_read(struct hwrng *rng, u32 *data)
++{
++ struct bcm63xx_trng_priv *priv = to_trng_priv(rng);
++
++ *data = bcm_readl(priv->regs + TRNG_DATA);
++
++ return 4;
++}
++
++static int __init bcm63xx_trng_probe(struct platform_device *pdev)
++{
++ struct resource *r;
++ struct clk *clk;
++ int ret;
++ struct bcm63xx_trng_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_trng_init;
++ rng->cleanup = bcm63xx_trng_cleanup;
++ rng->data_present = bcm63xx_trng_data_present;
++ rng->data_read = bcm63xx_trng_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_trng_remove(struct platform_device *pdev)
++{
++ struct hwrng *rng = platform_get_drvdata(pdev);
++ struct bcm63xx_trng_priv *priv = to_trng_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_trng_driver = {
++ .probe = bcm63xx_trng_probe,
++ .remove = __devexit_p(bcm63xx_trng_remove),
++ .driver = {
++ .name = "bcm63xx-trng",
++ .owner = THIS_MODULE,
++ },
++};
++
++module_platform_driver(bcm63xx_trng_driver);
++
++MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
++MODULE_DESCRIPTION("Broadcom BCM63xx RNG driver");
++MODULE_LICENSE("GPL");
+++ b/arch/mips/bcm63xx/Makefile
@@ -1,6 +1,6 @@
obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
- dev-dsp.o dev-enet.o dev-pcmcia.o dev-spi.o dev-uart.o \
-- dev-wdt.o
-+ dev-usb-ohci.o dev-wdt.o
+ dev-dsp.o dev-enet.o dev-pcmcia.o dev-spi.o dev-trng.o \
+- dev-uart.o dev-wdt.o
++ dev-uart.o dev-usb-ohci.o dev-wdt.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-y += boards/
+++ b/arch/mips/bcm63xx/Makefile
@@ -1,6 +1,6 @@
obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
- dev-dsp.o dev-enet.o dev-pcmcia.o dev-spi.o dev-uart.o \
-- dev-usb-ohci.o dev-wdt.o
-+ dev-usb-ehci.o dev-usb-ohci.o dev-wdt.o
+ dev-dsp.o dev-enet.o dev-pcmcia.o dev-spi.o dev-trng.o \
+- dev-uart.o dev-usb-ohci.o dev-wdt.o
++ dev-uart.o dev-usb-ehci.o dev-usb-ohci.o dev-wdt.o
obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
obj-y += boards/
if (ret)
--- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_cpu.h
-@@ -139,7 +139,9 @@ enum bcm63xx_regs_set {
+@@ -140,7 +140,9 @@ enum bcm63xx_regs_set {
#define BCM_6358_RSET_SPI_SIZE 1804
#define BCM_6368_RSET_SPI_SIZE 1804
#define RSET_ENET_SIZE 2048
projects / openwrt.git / commitdiff