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author | Hauke Mehrtens <hauke@hauke-m.de> | 2011-08-04 20:04:54 +0000 |
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committer | Hauke Mehrtens <hauke@hauke-m.de> | 2011-08-04 20:04:54 +0000 |
commit | 8428ebd8e84d4adef3267fc66c5d94105f79db15 (patch) | |
tree | 4c80f88d2fc88cb7f3c7e365eb58e8ad293dc3e3 /target/linux/brcm47xx/patches-3.0/0013-bcma-add-serial-flash-support-to-bcma.patch | |
parent | 85b858fae67e4659cb990601b13ccc2078c1dffd (diff) | |
download | master-31e0f0ae-8428ebd8e84d4adef3267fc66c5d94105f79db15.tar.gz master-31e0f0ae-8428ebd8e84d4adef3267fc66c5d94105f79db15.tar.bz2 master-31e0f0ae-8428ebd8e84d4adef3267fc66c5d94105f79db15.zip |
brcm47xx: update patches
* this adds sflash support for ssb devices
* the flash is now a platform device
* minor updates
SVN-Revision: 27902
Diffstat (limited to 'target/linux/brcm47xx/patches-3.0/0013-bcma-add-serial-flash-support-to-bcma.patch')
-rw-r--r-- | target/linux/brcm47xx/patches-3.0/0013-bcma-add-serial-flash-support-to-bcma.patch | 120 |
1 files changed, 63 insertions, 57 deletions
diff --git a/target/linux/brcm47xx/patches-3.0/0013-bcma-add-serial-flash-support-to-bcma.patch b/target/linux/brcm47xx/patches-3.0/0013-bcma-add-serial-flash-support-to-bcma.patch index bcaf85ba8f..14e5a3bcc9 100644 --- a/target/linux/brcm47xx/patches-3.0/0013-bcma-add-serial-flash-support-to-bcma.patch +++ b/target/linux/brcm47xx/patches-3.0/0013-bcma-add-serial-flash-support-to-bcma.patch @@ -1,7 +1,7 @@ -From b5be6e3037650ff5615cb869f1972dea5a49bcb6 Mon Sep 17 00:00:00 2001 +From a62940e988526c881966a8c72cc28c95fca89f3c Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens <hauke@hauke-m.de> Date: Sun, 17 Jul 2011 14:53:07 +0200 -Subject: [PATCH 13/22] bcma: add serial flash support to bcma +Subject: [PATCH 13/26] bcma: add serial flash support to bcma Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> @@ -9,10 +9,10 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> drivers/bcma/Kconfig | 5 + drivers/bcma/Makefile | 1 + drivers/bcma/bcma_private.h | 5 + - drivers/bcma/driver_chipcommon_sflash.c | 554 +++++++++++++++++++++++++++ + drivers/bcma/driver_chipcommon_sflash.c | 555 +++++++++++++++++++++++++++ drivers/bcma/driver_mips.c | 8 +- include/linux/bcma/bcma_driver_chipcommon.h | 24 ++ - 6 files changed, 596 insertions(+), 1 deletions(-) + 6 files changed, 597 insertions(+), 1 deletions(-) create mode 100644 drivers/bcma/driver_chipcommon_sflash.c --- a/drivers/bcma/Kconfig @@ -54,7 +54,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> extern int __init bcma_host_pci_init(void); --- /dev/null +++ b/drivers/bcma/driver_chipcommon_sflash.c -@@ -0,0 +1,554 @@ +@@ -0,0 +1,555 @@ +/* + * Broadcom SiliconBackplane chipcommon serial flash interface + * @@ -78,8 +78,8 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +{ + bcma_cc_write32(cc, BCMA_CC_FLASHCTL, + BCMA_CC_FLASHCTL_START | opcode); -+ while (bcma_cc_read32(cc, BCMA_CC_FLASHCTL) -+ & BCMA_CC_FLASHCTL_BUSY); ++ while (bcma_cc_read32(cc, BCMA_CC_FLASHCTL) & BCMA_CC_FLASHCTL_BUSY) ++ ; +} + + @@ -95,7 +95,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +{ + u32 id, id2; + -+ memset(&cc->flash.sflash, 0, sizeof(struct bcma_sflash)); ++ memset(&cc->sflash, 0, sizeof(struct bcma_sflash)); + + switch (cc->capabilities & BCMA_CC_CAP_FLASHT) { + case BCMA_CC_FLASHT_STSER: @@ -104,35 +104,35 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 0); + bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES); + id = bcma_cc_read32(cc, BCMA_CC_FLASHDATA); -+ cc->flash.sflash.blocksize = 64 * 1024; ++ cc->sflash.blocksize = 64 * 1024; + switch (id) { + case 0x11: + /* ST M25P20 2 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 4; ++ cc->sflash.numblocks = 4; + break; + case 0x12: + /* ST M25P40 4 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 8; ++ cc->sflash.numblocks = 8; + break; + case 0x13: + /* ST M25P80 8 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 16; ++ cc->sflash.numblocks = 16; + break; + case 0x14: + /* ST M25P16 16 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 32; ++ cc->sflash.numblocks = 32; + break; + case 0x15: + /* ST M25P32 32 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 64; ++ cc->sflash.numblocks = 64; + break; + case 0x16: + /* ST M25P64 64 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 128; ++ cc->sflash.numblocks = 128; + break; + case 0x17: + /* ST M25FL128 128 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 256; ++ cc->sflash.numblocks = 256; + break; + case 0xbf: + /* All of the following flashes are SST with @@ -140,7 +140,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + * We'll have to revamp the way we identify them + * since RES is not eough to disambiguate them. + */ -+ cc->flash.sflash.blocksize = 4 * 1024; ++ cc->sflash.blocksize = 4 * 1024; + bcma_cc_write32(cc, BCMA_CC_FLASHADDR, 1); + bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_RES); + id2 = bcma_cc_read32(cc, BCMA_CC_FLASHDATA); @@ -149,19 +149,19 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + /* SST25WF512 512 Kbit Serial Flash */ + case 0x48: + /* SST25VF512 512 Kbit Serial Flash */ -+ cc->flash.sflash.numblocks = 16; ++ cc->sflash.numblocks = 16; + break; + case 2: + /* SST25WF010 1 Mbit Serial Flash */ + case 0x49: + /* SST25VF010 1 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 32; ++ cc->sflash.numblocks = 32; + break; + case 3: + /* SST25WF020 2 Mbit Serial Flash */ + case 0x43: + /* SST25VF020 2 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 64; ++ cc->sflash.numblocks = 64; + break; + case 4: + /* SST25WF040 4 Mbit Serial Flash */ @@ -169,25 +169,25 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + /* SST25VF040 4 Mbit Serial Flash */ + case 0x8d: + /* SST25VF040B 4 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 128; ++ cc->sflash.numblocks = 128; + break; + case 5: + /* SST25WF080 8 Mbit Serial Flash */ + case 0x8e: + /* SST25VF080B 8 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 256; ++ cc->sflash.numblocks = 256; + break; + case 0x41: + /* SST25VF016 16 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 512; ++ cc->sflash.numblocks = 512; + break; + case 0x4a: + /* SST25VF032 32 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 1024; ++ cc->sflash.numblocks = 1024; + break; + case 0x4b: + /* SST25VF064 64 Mbit Serial Flash */ -+ cc->flash.sflash.numblocks = 2048; ++ cc->sflash.numblocks = 2048; + break; + } + break; @@ -201,46 +201,46 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + switch (id) { + case 0xc: + /* Atmel AT45DB011 1Mbit Serial Flash */ -+ cc->flash.sflash.blocksize = 256; -+ cc->flash.sflash.numblocks = 512; ++ cc->sflash.blocksize = 256; ++ cc->sflash.numblocks = 512; + break; + case 0x14: + /* Atmel AT45DB021 2Mbit Serial Flash */ -+ cc->flash.sflash.blocksize = 256; -+ cc->flash.sflash.numblocks = 1024; ++ cc->sflash.blocksize = 256; ++ cc->sflash.numblocks = 1024; + break; + case 0x1c: + /* Atmel AT45DB041 4Mbit Serial Flash */ -+ cc->flash.sflash.blocksize = 256; -+ cc->flash.sflash.numblocks = 2048; ++ cc->sflash.blocksize = 256; ++ cc->sflash.numblocks = 2048; + break; + case 0x24: + /* Atmel AT45DB081 8Mbit Serial Flash */ -+ cc->flash.sflash.blocksize = 256; -+ cc->flash.sflash.numblocks = 4096; ++ cc->sflash.blocksize = 256; ++ cc->sflash.numblocks = 4096; + break; + case 0x2c: + /* Atmel AT45DB161 16Mbit Serial Flash */ -+ cc->flash.sflash.blocksize = 512; -+ cc->flash.sflash.numblocks = 4096; ++ cc->sflash.blocksize = 512; ++ cc->sflash.numblocks = 4096; + break; + case 0x34: + /* Atmel AT45DB321 32Mbit Serial Flash */ -+ cc->flash.sflash.blocksize = 512; -+ cc->flash.sflash.numblocks = 8192; ++ cc->sflash.blocksize = 512; ++ cc->sflash.numblocks = 8192; + break; + case 0x3c: + /* Atmel AT45DB642 64Mbit Serial Flash */ -+ cc->flash.sflash.blocksize = 1024; -+ cc->flash.sflash.numblocks = 8192; ++ cc->sflash.blocksize = 1024; ++ cc->sflash.numblocks = 8192; + break; + } + break; + } + -+ cc->flash.sflash.size = cc->flash.sflash.blocksize * cc->flash.sflash.numblocks; ++ cc->sflash.size = cc->sflash.blocksize * cc->sflash.numblocks; + -+ return cc->flash.sflash.size ? 0 : -ENODEV; ++ return cc->sflash.size ? 0 : -ENODEV; +} + +/* Read len bytes starting at offset into buf. Returns number of bytes read. */ @@ -253,7 +253,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + if (!len) + return 0; + -+ if ((offset + len) > cc->flash.sflash.size) ++ if ((offset + len) > cc->sflash.size) + return -EINVAL; + + if ((len >= 4) && (offset & 3)) @@ -293,7 +293,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +/* Poll for command completion. Returns zero when complete. */ +int bcma_sflash_poll(struct bcma_drv_cc *cc, u32 offset) +{ -+ if (offset >= cc->flash.sflash.size) ++ if (offset >= cc->sflash.size) + return -22; + + switch (cc->capabilities & BCMA_CC_CAP_FLASHT) { @@ -407,7 +407,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +static int sflash_at_write(struct bcma_drv_cc *cc, u32 offset, u32 len, + const u8 *buf) +{ -+ struct bcma_sflash *sfl = &cc->flash.sflash; ++ struct bcma_sflash *sfl = &cc->sflash; + u32 page, byte, mask; + int ret = 0; + mask = sfl->blocksize - 1; @@ -450,10 +450,10 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + if (!len) + return 0; + -+ if ((offset + len) > cc->flash.sflash.size) ++ if ((offset + len) > cc->sflash.size) + return -EINVAL; + -+ sfl = &cc->flash.sflash; ++ sfl = &cc->sflash; + switch (cc->capabilities & BCMA_CC_CAP_FLASHT) { + case BCMA_CC_FLASHT_STSER: + do { @@ -481,10 +481,10 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +{ + struct bcma_sflash *sfl; + -+ if (offset >= cc->flash.sflash.size) ++ if (offset >= cc->sflash.size) + return -EINVAL; + -+ sfl = &cc->flash.sflash; ++ sfl = &cc->sflash; + switch (cc->capabilities & BCMA_CC_CAP_FLASHT) { + case BCMA_CC_FLASHT_STSER: + bcma_sflash_cmd(cc, BCMA_CC_FLASHCTL_ST_WREN); @@ -521,7 +521,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + if (len <= 0) + return 0; + -+ sfl = &cc->flash.sflash; ++ sfl = &cc->sflash; + if ((offset + len) > sfl->size) + return -EINVAL; + @@ -592,7 +592,8 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> + goto done; + } + -+ while (bcma_sflash_poll(cc, cur_offset)); ++ while (bcma_sflash_poll(cc, cur_offset)) ++ ; + + cur_offset += bytes; + cur_length -= bytes; @@ -636,7 +637,7 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> }; struct bcma_pflash { -@@ -366,8 +367,19 @@ struct bcma_pflash { +@@ -366,6 +367,14 @@ struct bcma_pflash { u32 window_size; }; @@ -648,15 +649,20 @@ Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> +}; +#endif /* CONFIG_BCMA_SFLASH */ + - union bcma_flash { - struct bcma_pflash pflash; + struct bcma_serial_port { + void *regs; + unsigned long clockspeed; +@@ -388,6 +397,9 @@ struct bcma_drv_cc { + enum bcma_flash_type flash_type; + union { + struct bcma_pflash pflash; +#ifdef CONFIG_BCMA_SFLASH -+ struct bcma_sflash sflash; ++ struct bcma_sflash sflash; +#endif /* CONFIG_BCMA_SFLASH */ - }; + }; - struct bcma_serial_port { -@@ -433,4 +445,16 @@ u32 bcma_chipco_gpio_polarity(struct bcm + int nr_serial_ports; +@@ -431,4 +443,16 @@ u32 bcma_chipco_gpio_polarity(struct bcm /* PMU support */ extern void bcma_pmu_init(struct bcma_drv_cc *cc); |