diff options
| author | Jonas Gorski <jogo@openwrt.org> | 2015-08-25 22:04:53 +0000 |
|---|---|---|
| committer | Jonas Gorski <jogo@openwrt.org> | 2015-08-25 22:04:53 +0000 |
| commit | 77a70a071619c12b71990180f3440dfdcd5962bd (patch) | |
| tree | ee8f61919c1c952ef08ab11d5ca58e7767e5abf1 /target/linux/brcm63xx/patches-4.1/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch | |
| parent | 7a68c31a819ee640e529b629f1457ab0b87add6b (diff) | |
| download | upstream-77a70a071619c12b71990180f3440dfdcd5962bd.tar.gz upstream-77a70a071619c12b71990180f3440dfdcd5962bd.tar.bz2 upstream-77a70a071619c12b71990180f3440dfdcd5962bd.zip | |
brcm63xx: enable dual rx/tx spi support for hsspi
should improve flash access times. Should be harmless to gnerally
enable regardless if a flash supporting dual reads is attached. In
doubt, spi-nor will just fall back to serial reads.
Signed-off-by: Jonas Gorski <jogo@openwrt.org>
SVN-Revision: 46725
Diffstat (limited to 'target/linux/brcm63xx/patches-4.1/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch')
| -rw-r--r-- | target/linux/brcm63xx/patches-4.1/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/target/linux/brcm63xx/patches-4.1/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch b/target/linux/brcm63xx/patches-4.1/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch index 3a09563427..0c317cb1b2 100644 --- a/target/linux/brcm63xx/patches-4.1/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch +++ b/target/linux/brcm63xx/patches-4.1/411-MIPS-BCM63XX-Register-SPI-flash-if-present.patch @@ -5,7 +5,7 @@ Subject: [PATCH 29/60] MIPS: BCM63XX: Register SPI flash if present Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> --- - arch/mips/bcm63xx/dev-flash.c | 33 +++++++++++++++++++- + arch/mips/bcm63xx/dev-flash.c | 35 +++++++++++++++++++- arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h | 2 + 2 files changed, 33 insertions(+), 2 deletions(-) @@ -95,15 +95,17 @@ Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com> if (val & STRAPBUS_63268_BOOT_SEL_SERIAL) return BCM63XX_FLASH_TYPE_SERIAL; else -@@ -195,8 +232,15 @@ int __init bcm63xx_flash_register(void) +@@ -195,8 +232,17 @@ int __init bcm63xx_flash_register(void) return platform_device_register(&mtd_dev); case BCM63XX_FLASH_TYPE_SERIAL: - pr_warn("unsupported serial flash detected\n"); - return -ENODEV; + if (BCMCPU_IS_6318() || BCMCPU_IS_6328() || BCMCPU_IS_6362() || -+ BCMCPU_IS_63268()) ++ BCMCPU_IS_63268()) { + bcm63xx_spi_flash_info[0].bus_num = 1; ++ bcm63xx_spi_flash_info[0].mode = SPI_RX_DUAL; ++ } + + if (BCMCPU_IS_6358() || BCMCPU_IS_6368()) + bcm63xx_flash_data.max_transfer_len = SPI_6358_MSG_DATA_SIZE; |