diff options
Diffstat (limited to 'arch/arm/mach-mxs/include/mach/imx23.h')
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/imx23.h | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/arch/arm/mach-mxs/include/mach/imx23.h b/arch/arm/mach-mxs/include/mach/imx23.h deleted file mode 100644 index bdd3ae4407..0000000000 --- a/arch/arm/mach-mxs/include/mach/imx23.h +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#ifndef __MACH_IMX23_H -#define __MACH_IMX23_H - -#include <linux/bitfield.h> -#include <io.h> - -#define DRAM_CTL14_CS0_EN BIT(0) -#define DRAM_CTL14_CS1_EN BIT(1) -#define DRAM_CTL11_COLUMNS_DIFF GENMASK(10, 8) -#define DRAM_CTL10_ROWS_DIFF GENMASK(18, 16) - -#define DRAM_CTL(n) (IMX_SDRAMC_BASE + 4 * (n)) - -static inline u32 imx23_get_memsize(void) -{ - u32 ctl10 = readl(DRAM_CTL(10)); - u32 ctl11 = readl(DRAM_CTL(11)); - u32 ctl14 = readl(DRAM_CTL(14)); - int rows, columns, banks = 4, cs0, cs1; - - columns = 12 - FIELD_GET(DRAM_CTL11_COLUMNS_DIFF, ctl11); - rows = 13 - FIELD_GET(DRAM_CTL10_ROWS_DIFF, ctl10); - cs0 = FIELD_GET(DRAM_CTL14_CS0_EN, ctl14); - cs1 = FIELD_GET(DRAM_CTL14_CS1_EN, ctl14); - - return (1 << columns) * (1 << rows) * banks * (cs0 + cs1); -} - -#endif /* __MACH_IMX23_H */ |