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Diffstat (limited to 'arch/arm/cpu/arm1176/tnetv107x/aemif.c')
-rw-r--r--arch/arm/cpu/arm1176/tnetv107x/aemif.c78
1 files changed, 0 insertions, 78 deletions
diff --git a/arch/arm/cpu/arm1176/tnetv107x/aemif.c b/arch/arm/cpu/arm1176/tnetv107x/aemif.c
deleted file mode 100644
index a0f5728..0000000
--- a/arch/arm/cpu/arm1176/tnetv107x/aemif.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * TNETV107X: Asynchronous EMIF Configuration
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/io.h>
-#include <asm/arch/clock.h>
-#include <asm/arch/mux.h>
-
-#define ASYNC_EMIF_BASE TNETV107X_ASYNC_EMIF_CNTRL_BASE
-#define ASYNC_EMIF_CONFIG(cs) (ASYNC_EMIF_BASE+0x10+(cs)*4)
-#define ASYNC_EMIF_ONENAND_CONTROL (ASYNC_EMIF_BASE+0x5c)
-#define ASYNC_EMIF_NAND_CONTROL (ASYNC_EMIF_BASE+0x60)
-#define ASYNC_EMIF_WAITCYCLE_CONFIG (ASYNC_EMIF_BASE+0x4)
-
-#define CONFIG_SELECT_STROBE(v) ((v) ? 1 << 31 : 0)
-#define CONFIG_EXTEND_WAIT(v) ((v) ? 1 << 30 : 0)
-#define CONFIG_WR_SETUP(v) (((v) & 0x0f) << 26)
-#define CONFIG_WR_STROBE(v) (((v) & 0x3f) << 20)
-#define CONFIG_WR_HOLD(v) (((v) & 0x07) << 17)
-#define CONFIG_RD_SETUP(v) (((v) & 0x0f) << 13)
-#define CONFIG_RD_STROBE(v) (((v) & 0x3f) << 7)
-#define CONFIG_RD_HOLD(v) (((v) & 0x07) << 4)
-#define CONFIG_TURN_AROUND(v) (((v) & 0x03) << 2)
-#define CONFIG_WIDTH(v) (((v) & 0x03) << 0)
-
-#define NUM_CS 4
-
-#define set_config_field(reg, field, val) \
- do { \
- if (val != -1) { \
- reg &= ~CONFIG_##field(0xffffffff); \
- reg |= CONFIG_##field(val); \
- } \
- } while (0)
-
-void configure_async_emif(int cs, struct async_emif_config *cfg)
-{
- unsigned long tmp;
-
- if (cfg->mode == ASYNC_EMIF_MODE_NAND) {
- tmp = __raw_readl(ASYNC_EMIF_NAND_CONTROL);
- tmp |= (1 << cs);
- __raw_writel(tmp, ASYNC_EMIF_NAND_CONTROL);
-
- } else if (cfg->mode == ASYNC_EMIF_MODE_ONENAND) {
- tmp = __raw_readl(ASYNC_EMIF_ONENAND_CONTROL);
- tmp |= (1 << cs);
- __raw_writel(tmp, ASYNC_EMIF_ONENAND_CONTROL);
- }
-
- tmp = __raw_readl(ASYNC_EMIF_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, ASYNC_EMIF_CONFIG(cs));
-}
-
-void init_async_emif(int num_cs, struct async_emif_config *config)
-{
- int cs;
-
- clk_enable(TNETV107X_LPSC_AEMIF);
-
- for (cs = 0; cs < num_cs; cs++)
- configure_async_emif(cs, config + cs);
-}