diff options
Diffstat (limited to 'arch/arm/mach-mxs/include/mach/imx28.h')
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/imx28.h | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/arch/arm/mach-mxs/include/mach/imx28.h b/arch/arm/mach-mxs/include/mach/imx28.h deleted file mode 100644 index 5816625c89..0000000000 --- a/arch/arm/mach-mxs/include/mach/imx28.h +++ /dev/null @@ -1,30 +0,0 @@ -#ifndef __MACH_IMX28_H -#define __MACH_IMX28_H - -#include <linux/bitfield.h> -#include <io.h> - -#define DRAM_CTL29_CS0_EN BIT(24) -#define DRAM_CTL29_CS1_EN BIT(25) -#define DRAM_CTL29_COLUMNS_DIFF GENMASK(18, 16) -#define DRAM_CTL29_ROWS_DIFF GENMASK(10, 8) -#define DRAM_CTL31_EIGHT_BANKS BIT(16) - -#define DRAM_CTL(n) (IMX_SDRAMC_BASE + 4 * (n)) - -static inline u32 imx28_get_memsize(void) -{ - u32 ctl29 = readl(DRAM_CTL(29)); - u32 ctl31 = readl(DRAM_CTL(31)); - int rows, columns, banks, cs0, cs1; - - columns = 12 - FIELD_GET(DRAM_CTL29_COLUMNS_DIFF, ctl29); - rows = 15 - FIELD_GET(DRAM_CTL29_ROWS_DIFF, ctl29); - banks = FIELD_GET(DRAM_CTL31_EIGHT_BANKS, ctl31) ? 8 : 4; - cs0 = FIELD_GET(DRAM_CTL29_CS0_EN, ctl29); - cs1 = FIELD_GET(DRAM_CTL29_CS1_EN, ctl29); - - return (1 << columns) * (1 << rows) * banks * (cs0 + cs1); -} - -#endif /* __MACH_IMX28_H */
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