diff options
| author | Terry Lv <r65388@freescale.com> | 2011-05-18 19:01:39 +0800 |
|---|---|---|
| committer | Lily Zhang <r58066@freescale.com> | 2011-05-19 11:11:54 +0800 |
| commit | 845634d76c3425741e0aa4598274659e9dee892a (patch) | |
| tree | 8b6f384b07c9f487c27d8508b7049b97013c550e /arch | |
| parent | bbf3e59476f8e2b2453bd5a90664514ed3568207 (diff) | |
ENGR00141131-1: MX53_ARD: MLB can't support 1024fs data transfer
Change board file for adding fps_sel function.
Signed-off-by: Terry Lv <r65388@freescale.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/mach-mx5/mx53_ard.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/arch/arm/mach-mx5/mx53_ard.c b/arch/arm/mach-mx5/mx53_ard.c index c4f36965dce6..c7081be27707 100644 --- a/arch/arm/mach-mx5/mx53_ard.c +++ b/arch/arm/mach-mx5/mx53_ard.c @@ -900,9 +900,31 @@ static struct platform_device ard_smsc_lan9220_device = { .resource = ard_smsc911x_resources, }; +#define IOMUXC_GPR0_MLBCLK_IN_INV_OFFSET 11 +#define IOMUXGPR0 (IO_ADDRESS(IOMUXC_BASE_ADDR)) + +static void mlb_fps_sel(int mlbfs) +{ + u32 reg; + + switch (mlbfs) { + case 1024: + reg = readl(IOMUXGPR0); + + reg |= (1 << IOMUXC_GPR0_MLBCLK_IN_INV_OFFSET); + writel(reg, IOMUXGPR0); + break; + case 256: + case 512: + default: + break; + } +} + static struct mxc_mlb_platform_data mlb_data = { .reg_nvcc = NULL, .mlb_clk = "mlb_clk", + .fps_sel = mlb_fps_sel, }; /* NAND Flash Partitions */ |