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openwrt-owl/target/linux/bcm53xx/patches-3.14/110-bcm47xx-move-the-nvram-...

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From 7063a1583166abe1a9cefed38c2f53a0e14a0005 Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Sun, 4 May 2014 16:35:42 +0200
Subject: [PATCH 01/17] MIPS: BCM47XX: move the nvram header file into common
space
Moving mach-bcm47xx/bcm47xx_nvram.h to include/linux/bcm47xx_nvram.h
makes it possible to reuse this header on the ARM based bcm47xx/bcm53xx
SoCs (e.g. BCM5301X devices). Broadcom uses ARM CPUs in their new SoC
form the bcm47xx and bcm53xx line, but many other things like nvram
stayed the same.
This is a preparation for adding a new nvram driver, which can be used
by the ARM SoC and the MIPS SoC code. The device drivers accessing
nvram do not have to care about ARM or MIPS SoC version.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
arch/mips/bcm47xx/board.c | 2 +-
arch/mips/bcm47xx/nvram.c | 2 +-
arch/mips/bcm47xx/setup.c | 2 +-
arch/mips/bcm47xx/sprom.c | 2 +-
arch/mips/bcm47xx/time.c | 2 +-
arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h | 53 -----------------
drivers/net/ethernet/broadcom/b44.c | 8 +--
drivers/net/ethernet/broadcom/bgmac.c | 2 +-
drivers/ssb/driver_chipcommon_pmu.c | 6 +-
include/linux/bcm47xx_nvram.h | 66 ++++++++++++++++++++++
10 files changed, 74 insertions(+), 71 deletions(-)
delete mode 100644 arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
create mode 100644 include/linux/bcm47xx_nvram.h
--- a/arch/mips/bcm47xx/board.c
+++ b/arch/mips/bcm47xx/board.c
@@ -2,7 +2,7 @@
#include <linux/export.h>
#include <linux/string.h>
#include <bcm47xx_board.h>
-#include <bcm47xx_nvram.h>
+#include <linux/bcm47xx_nvram.h>
struct bcm47xx_board_type {
const enum bcm47xx_board board;
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -17,7 +17,7 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <asm/addrspace.h>
-#include <bcm47xx_nvram.h>
+#include <linux/bcm47xx_nvram.h>
#include <asm/mach-bcm47xx/bcm47xx.h>
static char nvram_buf[NVRAM_SPACE];
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -42,7 +42,7 @@
#include <asm/reboot.h>
#include <asm/time.h>
#include <bcm47xx.h>
-#include <bcm47xx_nvram.h>
+#include <linux/bcm47xx_nvram.h>
#include <bcm47xx_board.h>
union bcm47xx_bus bcm47xx_bus;
--- a/arch/mips/bcm47xx/sprom.c
+++ b/arch/mips/bcm47xx/sprom.c
@@ -27,7 +27,7 @@
*/
#include <bcm47xx.h>
-#include <bcm47xx_nvram.h>
+#include <linux/bcm47xx_nvram.h>
static void create_key(const char *prefix, const char *postfix,
const char *name, char *buf, int len)
--- a/arch/mips/bcm47xx/time.c
+++ b/arch/mips/bcm47xx/time.c
@@ -27,7 +27,7 @@
#include <linux/ssb/ssb.h>
#include <asm/time.h>
#include <bcm47xx.h>
-#include <bcm47xx_nvram.h>
+#include <linux/bcm47xx_nvram.h>
#include <bcm47xx_board.h>
void __init plat_time_init(void)
--- a/arch/mips/include/asm/mach-bcm47xx/bcm47xx_nvram.h
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2005, Broadcom Corporation
- * Copyright (C) 2006, Felix Fietkau <nbd@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-
-#ifndef __BCM47XX_NVRAM_H
-#define __BCM47XX_NVRAM_H
-
-#include <linux/types.h>
-#include <linux/kernel.h>
-
-struct nvram_header {
- u32 magic;
- u32 len;
- u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
- u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
- u32 config_ncdl; /* ncdl values for memc */
-};
-
-#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */
-#define NVRAM_VERSION 1
-#define NVRAM_HEADER_SIZE 20
-#define NVRAM_SPACE 0x8000
-
-#define FLASH_MIN 0x00020000 /* Minimum flash size */
-
-#define NVRAM_MAX_VALUE_LEN 255
-#define NVRAM_MAX_PARAM_LEN 64
-
-extern int bcm47xx_nvram_getenv(char *name, char *val, size_t val_len);
-
-static inline void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
-{
- if (strchr(buf, ':'))
- sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
- &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
- &macaddr[5]);
- else if (strchr(buf, '-'))
- sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
- &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
- &macaddr[5]);
- else
- printk(KERN_WARNING "Can not parse mac address: %s\n", buf);
-}
-
-int bcm47xx_nvram_gpio_pin(const char *name);
-
-#endif /* __BCM47XX_NVRAM_H */
--- a/drivers/net/ethernet/broadcom/b44.c
+++ b/drivers/net/ethernet/broadcom/b44.c
@@ -31,6 +31,7 @@
#include <linux/ssb/ssb.h>
#include <linux/slab.h>
#include <linux/phy.h>
+#include <linux/bcm47xx_nvram.h>
#include <asm/uaccess.h>
#include <asm/io.h>
@@ -399,8 +400,6 @@ static void b44_set_flow_ctrl(struct b44
__b44_set_flow_ctrl(bp, pause_enab);
}
-#ifdef CONFIG_BCM47XX
-#include <bcm47xx_nvram.h>
static void b44_wap54g10_workaround(struct b44 *bp)
{
char buf[20];
@@ -429,11 +428,6 @@ static void b44_wap54g10_workaround(stru
error:
pr_warning("PHY: cannot reset MII transceiver isolate bit\n");
}
-#else
-static inline void b44_wap54g10_workaround(struct b44 *bp)
-{
-}
-#endif
static int b44_setup_phy(struct b44 *bp)
{
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -17,7 +17,7 @@
#include <linux/interrupt.h>
#include <linux/dma-mapping.h>
#include <linux/platform_data/b53.h>
-#include <bcm47xx_nvram.h>
+#include <linux/bcm47xx_nvram.h>
static const struct bcma_device_id bgmac_bcma_tbl[] = {
BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_4706_MAC_GBIT, BCMA_ANY_REV, BCMA_ANY_CLASS),
--- a/drivers/ssb/driver_chipcommon_pmu.c
+++ b/drivers/ssb/driver_chipcommon_pmu.c
@@ -13,9 +13,7 @@
#include <linux/ssb/ssb_driver_chipcommon.h>
#include <linux/delay.h>
#include <linux/export.h>
-#ifdef CONFIG_BCM47XX
-#include <bcm47xx_nvram.h>
-#endif
+#include <linux/bcm47xx_nvram.h>
#include "ssb_private.h"
@@ -320,11 +318,9 @@ static void ssb_pmu_pll_init(struct ssb_
u32 crystalfreq = 0; /* in kHz. 0 = keep default freq. */
if (bus->bustype == SSB_BUSTYPE_SSB) {
-#ifdef CONFIG_BCM47XX
char buf[20];
if (bcm47xx_nvram_getenv("xtalfreq", buf, sizeof(buf)) >= 0)
crystalfreq = simple_strtoul(buf, NULL, 0);
-#endif
}
switch (bus->chip_id) {
--- /dev/null
+++ b/include/linux/bcm47xx_nvram.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2005, Broadcom Corporation
+ * Copyright (C) 2006, Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2014 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#ifndef __BCM47XX_NVRAM_H
+#define __BCM47XX_NVRAM_H
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+struct nvram_header {
+ u32 magic;
+ u32 len;
+ u32 crc_ver_init; /* 0:7 crc, 8:15 ver, 16:31 sdram_init */
+ u32 config_refresh; /* 0:15 sdram_config, 16:31 sdram_refresh */
+ u32 config_ncdl; /* ncdl values for memc */
+};
+
+#define NVRAM_HEADER 0x48534C46 /* 'FLSH' */
+#define NVRAM_VERSION 1
+#define NVRAM_HEADER_SIZE 20
+#define NVRAM_SPACE 0x8000
+
+#define FLASH_MIN 0x00020000 /* Minimum flash size */
+
+#define NVRAM_MAX_VALUE_LEN 255
+#define NVRAM_MAX_PARAM_LEN 64
+
+#ifdef CONFIG_BCM47XX
+int bcm47xx_nvram_getenv(const char *name, char *val, size_t val_len);
+
+int bcm47xx_nvram_gpio_pin(const char *name);
+#else
+static inline int bcm47xx_nvram_getenv(const char *name, char *val,
+ size_t val_len)
+{
+ return -ENXIO;
+}
+
+static inline int bcm47xx_nvram_gpio_pin(const char *name)
+{
+ return -ENXIO;
+}
+#endif
+
+static inline void bcm47xx_nvram_parse_macaddr(char *buf, u8 macaddr[6])
+{
+ if (strchr(buf, ':'))
+ sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx", &macaddr[0],
+ &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
+ &macaddr[5]);
+ else if (strchr(buf, '-'))
+ sscanf(buf, "%hhx-%hhx-%hhx-%hhx-%hhx-%hhx", &macaddr[0],
+ &macaddr[1], &macaddr[2], &macaddr[3], &macaddr[4],
+ &macaddr[5]);
+ else
+ pr_warn("Can not parse mac address: %s\n", buf);
+}
+#endif /* __BCM47XX_NVRAM_H */
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