diff options
Diffstat (limited to 'drivers/ddr/marvell/a38x/ddr3_init.c')
| -rw-r--r-- | drivers/ddr/marvell/a38x/ddr3_init.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/drivers/ddr/marvell/a38x/ddr3_init.c b/drivers/ddr/marvell/a38x/ddr3_init.c index ee05f57..55baad4 100644 --- a/drivers/ddr/marvell/a38x/ddr3_init.c +++ b/drivers/ddr/marvell/a38x/ddr3_init.c @@ -678,7 +678,7 @@ u32 ddr3_get_device_width(u32 cs) return (device_width == 0) ? 8 : 16; } -float ddr3_get_device_size(u32 cs) +static int ddr3_get_device_size(u32 cs) { u32 device_size_low, device_size_high, device_size; u32 data, cs_low_offset, cs_high_offset; @@ -695,15 +695,15 @@ float ddr3_get_device_size(u32 cs) switch (device_size) { case 0: - return 2; + return 2048; case 2: - return 0.5; + return 512; case 3: - return 1; + return 1024; case 4: - return 4; + return 4096; case 5: - return 8; + return 8192; case 1: default: DEBUG_INIT_C("Error: Wrong device size of Cs: ", cs, 1); @@ -711,13 +711,13 @@ float ddr3_get_device_size(u32 cs) * Small value will give wrong emem size in * ddr3_calc_mem_cs_size */ - return 0.01; + return 0; } } int ddr3_calc_mem_cs_size(u32 cs, u32 *cs_size) { - float cs_mem_size; + int cs_mem_size; /* Calculate in GiB */ cs_mem_size = ((ddr3_get_bus_width() / ddr3_get_device_width(cs)) * @@ -731,21 +731,12 @@ int ddr3_calc_mem_cs_size(u32 cs, u32 *cs_size) */ cs_mem_size *= DDR_CONTROLLER_BUS_WIDTH_MULTIPLIER; - if (cs_mem_size == 0.125) { - *cs_size = 128 << 20; - } else if (cs_mem_size == 0.25) { - *cs_size = 256 << 20; - } else if (cs_mem_size == 0.5) { - *cs_size = 512 << 20; - } else if (cs_mem_size == 1) { - *cs_size = 1 << 30; - } else if (cs_mem_size == 2) { - *cs_size = 2 << 30; - } else { + if (!cs_mem_size || (cs_mem_size == 64) || (cs_mem_size == 4096)) { DEBUG_INIT_C("Error: Wrong Memory size of Cs: ", cs, 1); return MV_BAD_VALUE; } + *cs_size = cs_mem_size << 20; return MV_OK; } |