diff options
Diffstat (limited to 'drivers/memory/ti-aemif.c')
| -rw-r--r-- | drivers/memory/ti-aemif.c | 53 |
1 files changed, 13 insertions, 40 deletions
diff --git a/drivers/memory/ti-aemif.c b/drivers/memory/ti-aemif.c index 5e9514713f2..b26423c457a 100644 --- a/drivers/memory/ti-aemif.c +++ b/drivers/memory/ti-aemif.c @@ -9,50 +9,12 @@ #include <asm/arch/hardware.h> #include <asm/io.h> #include <asm/ti-common/ti-aemif.h> +#include <dm.h> +#include "ti-aemif-cs.h" #define AEMIF_WAITCYCLE_CONFIG (0x4) #define AEMIF_NAND_CONTROL (0x60) #define AEMIF_ONENAND_CONTROL (0x5c) -#define AEMIF_CONFIG(cs) (0x10 + ((cs) * 4)) - -#define AEMIF_CFG_SELECT_STROBE(v) ((v) ? 1 << 31 : 0) -#define AEMIF_CFG_EXTEND_WAIT(v) ((v) ? 1 << 30 : 0) -#define AEMIF_CFG_WR_SETUP(v) (((v) & 0x0f) << 26) -#define AEMIF_CFG_WR_STROBE(v) (((v) & 0x3f) << 20) -#define AEMIF_CFG_WR_HOLD(v) (((v) & 0x07) << 17) -#define AEMIF_CFG_RD_SETUP(v) (((v) & 0x0f) << 13) -#define AEMIF_CFG_RD_STROBE(v) (((v) & 0x3f) << 7) -#define AEMIF_CFG_RD_HOLD(v) (((v) & 0x07) << 4) -#define AEMIF_CFG_TURN_AROUND(v) (((v) & 0x03) << 2) -#define AEMIF_CFG_WIDTH(v) (((v) & 0x03) << 0) - -#define set_config_field(reg, field, val) \ - do { \ - if (val != -1) { \ - reg &= ~AEMIF_CFG_##field(0xffffffff); \ - reg |= AEMIF_CFG_##field(val); \ - } \ - } while (0) - -static void aemif_cs_configure(int cs, struct aemif_config *cfg) -{ - unsigned long tmp; - - tmp = __raw_readl(cfg->base + AEMIF_CONFIG(cs)); - - set_config_field(tmp, SELECT_STROBE, cfg->select_strobe); - set_config_field(tmp, EXTEND_WAIT, cfg->extend_wait); - set_config_field(tmp, WR_SETUP, cfg->wr_setup); - set_config_field(tmp, WR_STROBE, cfg->wr_strobe); - set_config_field(tmp, WR_HOLD, cfg->wr_hold); - set_config_field(tmp, RD_SETUP, cfg->rd_setup); - set_config_field(tmp, RD_STROBE, cfg->rd_strobe); - set_config_field(tmp, RD_HOLD, cfg->rd_hold); - set_config_field(tmp, TURN_AROUND, cfg->turn_around); - set_config_field(tmp, WIDTH, cfg->width); - - __raw_writel(tmp, cfg->base + AEMIF_CONFIG(cs)); -} static void aemif_configure(int cs, struct aemif_config *cfg) { @@ -84,3 +46,14 @@ void aemif_init(int num_cs, struct aemif_config *config) for (cs = 0; cs < num_cs; cs++) aemif_configure(cs, config + cs); } + +static const struct udevice_id aemif_ids[] = { + { .compatible = "ti,da850-aemif", }, + {}, +}; + +U_BOOT_DRIVER(ti_aemif) = { + .name = "ti_aemif", + .id = UCLASS_MEMORY, + .of_match = aemif_ids, +}; |