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| author | Ye Li <ye.li@nxp.com> | 2016-03-16 13:50:54 +0800 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2017-04-05 14:04:35 +0800 |
| commit | 2d3b5df8530cd5ef883750378838dea7c40259af (patch) | |
| tree | 346ff7728eddc05a01e58e4d6277a753c6b8acab /drivers/spi | |
| parent | 8aef13ebd92f709f4e6b80cf46c7cfe0f69bb211 (diff) | |
| download | u-boot-imx-2d3b5df8530cd5ef883750378838dea7c40259af.zip u-boot-imx-2d3b5df8530cd5ef883750378838dea7c40259af.tar.gz u-boot-imx-2d3b5df8530cd5ef883750378838dea7c40259af.tar.bz2 | |
MLK-12483-4 mx6: Modify drivers to disable fused modules
Add the fuse checking in drivers, when the module is disabled in fuse,
the driver will not work.
Changed drivers: BEE, GPMI, APBH-DMA, ESDHC, FEC, QSPI, ECSPI, I2C,
USB-EHCI, GIS, LCDIF.
Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit 1704e116f9b39aeb99201919a18bc2b1e19a980e)
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/fsl_qspi.c | 15 | ||||
| -rw-r--r-- | drivers/spi/mxc_spi.c | 10 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c index b2a0583..cdbe5d9 100644 --- a/drivers/spi/fsl_qspi.c +++ b/drivers/spi/fsl_qspi.c @@ -15,6 +15,7 @@ #include <errno.h> #include <watchdog.h> #include "fsl_qspi.h" +#include <asm/arch/sys_proto.h> DECLARE_GLOBAL_DATA_PTR; @@ -873,6 +874,13 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, if (bus >= ARRAY_SIZE(spi_bases)) return NULL; +#ifdef CONFIG_MX6 + if (mx6_qspi_fused(spi_bases[bus])) { + printf("QSPI@0x%lx is fused, disable it\n", spi_bases[bus]); + return NULL; + } +#endif + if (cs >= FSL_QSPI_FLASH_NUM) return NULL; @@ -985,6 +993,13 @@ static int fsl_qspi_probe(struct udevice *bus) struct dm_spi_bus *dm_spi_bus; int i; +#ifdef CONFIG_MX6 + if (mx6_qspi_fused(plat->reg_base)) { + printf("QSPI@0x%lx is fused, disable it\n", plat->reg_base); + return -ENODEV; + } +#endif + dm_spi_bus = bus->uclass_priv; dm_spi_bus->max_hz = plat->speed_hz; diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c index fc2786e..a1c4ec0 100644 --- a/drivers/spi/mxc_spi.c +++ b/drivers/spi/mxc_spi.c @@ -1,6 +1,8 @@ /* * Copyright (C) 2008, Guennadi Liakhovetski <lg@denx.de> * + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * * SPDX-License-Identifier: GPL-2.0+ */ @@ -13,6 +15,7 @@ #include <asm/arch/imx-regs.h> #include <asm/arch/clock.h> #include <asm/imx-common/spi.h> +#include <asm/arch/sys_proto.h> #ifdef CONFIG_MX27 /* i.MX27 has a completely wrong register layout and register definitions in the @@ -413,6 +416,13 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, return NULL; } +#ifdef CONFIG_MX6 + if (mx6_ecspi_fused(spi_bases[bus])) { + printf("ECSPI@0x%lx is fused, disable it\n", spi_bases[bus]); + return NULL; + } +#endif + mxcs = spi_alloc_slave(struct mxc_spi_slave, bus, cs); if (!mxcs) { puts("mxc_spi: SPI Slave not allocated !\n"); |