diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-espresso-emif.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-espresso-emif.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-espresso-emif.c b/arch/arm/mach-omap2/board-espresso-emif.c new file mode 100644 index 0000000..c379dd8 --- /dev/null +++ b/arch/arm/mach-omap2/board-espresso-emif.c @@ -0,0 +1,48 @@ +/* + * LPDDR2 data as per SAMSUNG data sheet + * + * Copyright (C) 2011 Texas Instruments, Inc. + * + * Santosh Shilimkar <santosh.shilimkar@ti.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> + +#include <mach/emif.h> +#include <mach/lpddr2-jedec.h> +#include "board-espresso.h" + +struct lpddr2_device_info lpddr2_samsung_4G_S4_dev = { + .device_timings = { + &lpddr2_jedec_timings_200_mhz, + &lpddr2_jedec_timings_400_mhz + }, + .min_tck = &lpddr2_jedec_min_tck, + .type = LPDDR2_TYPE_S4, + .density = LPDDR2_DENSITY_4Gb, + .io_width = LPDDR2_IO_WIDTH_32, + .emif_ddr_selfrefresh_cycles = 262144, +}; + +/* + * LPDDR2 Configuration Data: + * The memory organisation is as below : + * EMIF1 - CS0 - 4 Gb + * EMIF2 - CS0 - 4 Gb + * -------------------- + * TOTAL - 8 Gb + * + * Same devices installed on EMIF1 and EMIF2 + */ +static __initdata struct emif_device_details emif_devices = { + .cs0_device = &lpddr2_samsung_4G_S4_dev, +}; + +void __init omap4_espresso_emif_init(void) +{ + omap_emif_setup_device_details(&emif_devices, &emif_devices); +} |