diff options
| author | Ye Li <ye.li@nxp.com> | 2016-03-16 13:50:54 +0800 |
|---|---|---|
| committer | Ye Li <ye.li@nxp.com> | 2018-04-27 02:30:47 -0700 |
| commit | 6e8c9ae136bee8ec0121c1db4b935510caad09db (patch) | |
| tree | dce1ab3cbcf02f970c9265b36ff3e5875173106f /drivers/i2c | |
| parent | e93235cbcf624a476c95f4e9e8fd51e667ab4aa2 (diff) | |
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 and EPDC.
Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit 1704e116f9b39aeb99201919a18bc2b1e19a980e)
(cherry picked from commit 2d3b5df8530cd5ef883750378838dea7c40259af)
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/mxc_i2c.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c index 79228c2757..4ef8f6c802 100644 --- a/drivers/i2c/mxc_i2c.c +++ b/drivers/i2c/mxc_i2c.c @@ -4,6 +4,8 @@ * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de> * (c) 2011 Marek Vasut <marek.vasut@gmail.com> * + * Copyright (C) 2016 Freescale Semiconductor, Inc. + * * Based on i2c-imx.c from linux kernel: * Copyright (C) 2005 Torsten Koschorrek <koschorrek at synertronixx.de> * Copyright (C) 2005 Matthias Blaschke <blaschke at synertronixx.de> @@ -25,6 +27,7 @@ #include <dm.h> #include <dm/pinctrl.h> #include <fdtdec.h> +#include <asm/arch/sys_proto.h> DECLARE_GLOBAL_DATA_PTR; @@ -648,6 +651,14 @@ void bus_i2c_init(int index, int speed, int unused, return; } +#ifdef CONFIG_MX6 + if (mx6_i2c_fused((u32)mxc_i2c_buses[index].base)) { + printf("I2C@0x%x is fused, disable it\n", + (u32)mxc_i2c_buses[index].base); + return; + } +#endif + /* * Warning: Be careful to allow the assignment to a static * variable here. This function could be called while U-Boot is @@ -761,6 +772,13 @@ static int mxc_i2c_probe(struct udevice *bus) if (addr == FDT_ADDR_T_NONE) return -EINVAL; +#ifdef CONFIG_MX6 + if (mx6_i2c_fused(addr)) { + printf("I2C@0x%lx is fused, disable it\n", addr); + return -ENODEV; + } +#endif + i2c_bus->base = addr; i2c_bus->index = bus->seq; i2c_bus->bus = bus; |