diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-3.3/024-brcm47xx-add-common-interface-for-sflash.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-3.3/024-brcm47xx-add-common-interface-for-sflash.patch | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/patches-3.3/024-brcm47xx-add-common-interface-for-sflash.patch b/target/linux/brcm47xx/patches-3.3/024-brcm47xx-add-common-interface-for-sflash.patch new file mode 100644 index 0000000000..9839ef8f40 --- /dev/null +++ b/target/linux/brcm47xx/patches-3.3/024-brcm47xx-add-common-interface-for-sflash.patch @@ -0,0 +1,164 @@ +--- a/arch/mips/bcm47xx/Makefile ++++ b/arch/mips/bcm47xx/Makefile +@@ -3,5 +3,5 @@ + # under Linux. + # + +-obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o ++obj-y += gpio.o irq.o nvram.o prom.o serial.o setup.o time.o bus.o + obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o +--- /dev/null ++++ b/arch/mips/bcm47xx/bus.c +@@ -0,0 +1,82 @@ ++/* ++ * BCM947xx nvram variable access ++ * ++ * Copyright (C) 2011 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. ++ */ ++ ++#include <bus.h> ++ ++static int bcm47xx_sflash_bcma_read(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf) ++{ ++ return bcma_sflash_read(dev->bcc, offset, len, buf); ++} ++ ++static int bcm47xx_sflash_bcma_poll(struct bcm47xx_sflash *dev, u32 offset) ++{ ++ return bcma_sflash_poll(dev->bcc, offset); ++} ++ ++static int bcm47xx_sflash_bcma_write(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf) ++{ ++ return bcma_sflash_write(dev->bcc, offset, len, buf); ++} ++ ++static int bcm47xx_sflash_bcma_erase(struct bcm47xx_sflash *dev, u32 offset) ++{ ++ return bcma_sflash_erase(dev->bcc, offset); ++} ++ ++void bcm47xx_sflash_struct_bcma_init(struct bcm47xx_sflash *sflash, struct bcma_drv_cc *bcc) ++{ ++ sflash->sflash_type = BCM47XX_BUS_TYPE_BCMA; ++ sflash->bcc = bcc; ++ ++ sflash->read = bcm47xx_sflash_bcma_read; ++ sflash->poll = bcm47xx_sflash_bcma_poll; ++ sflash->write = bcm47xx_sflash_bcma_write; ++ sflash->erase = bcm47xx_sflash_bcma_erase; ++ ++ sflash->blocksize = bcc->sflash.blocksize; ++ sflash->numblocks = bcc->sflash.numblocks; ++ sflash->size = bcc->sflash.size; ++} ++ ++static int bcm47xx_sflash_ssb_read(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf) ++{ ++ return ssb_sflash_read(dev->scc, offset, len, buf); ++} ++ ++static int bcm47xx_sflash_ssb_poll(struct bcm47xx_sflash *dev, u32 offset) ++{ ++ return ssb_sflash_poll(dev->scc, offset); ++} ++ ++static int bcm47xx_sflash_ssb_write(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf) ++{ ++ return ssb_sflash_write(dev->scc, offset, len, buf); ++} ++ ++static int bcm47xx_sflash_ssb_erase(struct bcm47xx_sflash *dev, u32 offset) ++{ ++ return ssb_sflash_erase(dev->scc, offset); ++} ++ ++void bcm47xx_sflash_struct_ssb_init(struct bcm47xx_sflash *sflash, struct ssb_chipcommon *scc) ++{ ++ sflash->sflash_type = BCM47XX_BUS_TYPE_SSB; ++ sflash->scc = scc; ++ ++ sflash->read = bcm47xx_sflash_ssb_read; ++ sflash->poll = bcm47xx_sflash_ssb_poll; ++ sflash->write = bcm47xx_sflash_ssb_write; ++ sflash->erase = bcm47xx_sflash_ssb_erase; ++ ++ sflash->blocksize = scc->sflash.blocksize; ++ sflash->numblocks = scc->sflash.numblocks; ++ sflash->size = scc->sflash.size; ++} +--- a/arch/mips/bcm47xx/setup.c ++++ b/arch/mips/bcm47xx/setup.c +@@ -43,6 +43,8 @@ EXPORT_SYMBOL(bcm47xx_bus); + enum bcm47xx_bus_type bcm47xx_bus_type; + EXPORT_SYMBOL(bcm47xx_bus_type); + ++struct bcm47xx_sflash bcm47xx_sflash; ++ + static void bcm47xx_machine_restart(char *command) + { + printk(KERN_ALERT "Please stand by while rebooting the system...\n"); +@@ -291,6 +293,9 @@ static void __init bcm47xx_register_ssb( + if (err) + panic("Failed to initialize SSB bus (err %d)", err); + ++ if (bcm47xx_bus.ssb.chipco.flash_type == SSB_SFLASH) ++ bcm47xx_sflash_struct_ssb_init(&bcm47xx_sflash, &bcm47xx_bus.ssb.chipco); ++ + mcore = &bcm47xx_bus.ssb.mipscore; + if (nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) { + if (strstr(buf, "console=ttyS1")) { +@@ -315,6 +320,9 @@ static void __init bcm47xx_register_bcma + err = bcma_host_soc_register(&bcm47xx_bus.bcma); + if (err) + panic("Failed to initialize BCMA bus (err %d)", err); ++ ++ if (bcm47xx_bus.bcma.bus.drv_cc.flash_type == BCMA_SFLASH) ++ bcm47xx_sflash_struct_bcma_init(&bcm47xx_sflash, &bcm47xx_bus.bcma.bus.drv_cc); + } + #endif + +--- /dev/null ++++ b/arch/mips/include/asm/mach-bcm47xx/bus.h +@@ -0,0 +1,36 @@ ++/* ++ * BCM947xx nvram variable access ++ * ++ * Copyright (C) 2011 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. ++ */ ++ ++#include <linux/ssb/ssb.h> ++#include <linux/bcma/bcma.h> ++#include <bcm47xx.h> ++ ++struct bcm47xx_sflash { ++ enum bcm47xx_bus_type sflash_type; ++ union { ++ struct ssb_chipcommon *scc; ++ struct bcma_drv_cc *bcc; ++ }; ++ ++ int (*read)(struct bcm47xx_sflash *dev, u32 offset, u32 len, u8 *buf); ++ int (*poll)(struct bcm47xx_sflash *dev, u32 offset); ++ int (*write)(struct bcm47xx_sflash *dev, u32 offset, u32 len, const u8 *buf); ++ int (*erase)(struct bcm47xx_sflash *dev, u32 offset); ++ ++ u32 blocksize; /* Block size */ ++ u32 numblocks; /* Number of blocks */ ++ u32 size; /* Total size in bytes */ ++}; ++ ++void bcm47xx_sflash_struct_bcma_init(struct bcm47xx_sflash *sflash, struct bcma_drv_cc *bcc); ++void bcm47xx_sflash_struct_ssb_init(struct bcm47xx_sflash *sflash, struct ssb_chipcommon *scc); ++ ++extern struct bcm47xx_sflash bcm47xx_sflash; |