diff options
author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-07-01 13:11:18 (GMT) |
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committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2014-07-01 13:11:18 (GMT) |
commit | e99f30e105a253ee64bef1ef83b86a47e0d3b6f1 (patch) | |
tree | 847e087ca50c1d0a02b750577b13af45aa498361 /arch/arm | |
parent | d6694aff569a0838a9d0ef352128f5aa309d73ff (diff) | |
parent | 12cc54376768461533b55ada1b0b6d4979f40579 (diff) | |
download | u-boot-e99f30e105a253ee64bef1ef83b86a47e0d3b6f1.tar.xz |
Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'
Diffstat (limited to 'arch/arm')
18 files changed, 94 insertions, 283 deletions
diff --git a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c index b91e948..19730ce 100644 --- a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c +++ b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c @@ -14,7 +14,7 @@ #include <asm/arch/hardware.h> #include <asm/arch/davinci_misc.h> #include <asm/arch/ddr2_defs.h> -#include <asm/arch/emif_defs.h> +#include <asm/ti-common/davinci_nand.h> #include <asm/arch/pll_defs.h> void davinci_enable_uart0(void) diff --git a/arch/arm/cpu/arm926ejs/davinci/dm365_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/dm365_lowlevel.c index ee096fe..c8b4498 100644 --- a/arch/arm/cpu/arm926ejs/davinci/dm365_lowlevel.c +++ b/arch/arm/cpu/arm926ejs/davinci/dm365_lowlevel.c @@ -11,6 +11,7 @@ #include <nand.h> #include <ns16550.h> #include <post.h> +#include <asm/ti-common/davinci_nand.h> #include <asm/arch/dm365_lowlevel.h> #include <asm/arch/hardware.h> diff --git a/arch/arm/cpu/armv7/am33xx/ddr.c b/arch/arm/cpu/armv7/am33xx/ddr.c index 9a625c4..bbe9d1a 100644 --- a/arch/arm/cpu/armv7/am33xx/ddr.c +++ b/arch/arm/cpu/armv7/am33xx/ddr.c @@ -95,6 +95,7 @@ void config_sdram_emif4d5(const struct emif_regs *regs, int nr) &emif_reg[nr]->emif_rd_wr_exec_thresh); writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl); + writel(regs->ref_ctrl, &emif_reg[nr]->emif_sdram_ref_ctrl_shdw); writel(regs->sdram_config, &emif_reg[nr]->emif_sdram_config); writel(regs->sdram_config, &cstat->secure_emif_sdram_config); diff --git a/arch/arm/cpu/armv7/keystone/Makefile b/arch/arm/cpu/armv7/keystone/Makefile index b1bd022..c4af252 100644 --- a/arch/arm/cpu/armv7/keystone/Makefile +++ b/arch/arm/cpu/armv7/keystone/Makefile @@ -5,7 +5,6 @@ # SPDX-License-Identifier: GPL-2.0+ # -obj-y += aemif.o obj-y += init.o obj-y += psc.o obj-y += clock.o diff --git a/arch/arm/cpu/armv7/keystone/aemif.c b/arch/arm/cpu/armv7/keystone/aemif.c deleted file mode 100644 index 9b26886..0000000 --- a/arch/arm/cpu/armv7/keystone/aemif.c +++ /dev/null @@ -1,71 +0,0 @@ -/* - * Keystone2: Asynchronous EMIF Configuration - * - * (C) Copyright 2012-2014 - * Texas Instruments Incorporated, <www.ti.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/clock.h> -#include <asm/arch/emif_defs.h> - -#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) - -void configure_async_emif(int cs, struct async_emif_config *cfg) -{ - unsigned long tmp; - - if (cfg->mode == ASYNC_EMIF_MODE_NAND) { - tmp = __raw_readl(&davinci_emif_regs->nandfcr); - tmp |= (1 << cs); - __raw_writel(tmp, &davinci_emif_regs->nandfcr); - - } else if (cfg->mode == ASYNC_EMIF_MODE_ONENAND) { - tmp = __raw_readl(&davinci_emif_regs->one_nand_cr); - tmp |= (1 << cs); - __raw_writel(tmp, &davinci_emif_regs->one_nand_cr); - } - - tmp = __raw_readl(&davinci_emif_regs->abncr[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, &davinci_emif_regs->abncr[cs]); -} - -void init_async_emif(int num_cs, struct async_emif_config *config) -{ - int cs; - - for (cs = 0; cs < num_cs; cs++) - configure_async_emif(cs, config + cs); -} diff --git a/arch/arm/cpu/armv7/omap-common/mem-common.c b/arch/arm/cpu/armv7/omap-common/mem-common.c index 944ef84..5bc7e1f 100644 --- a/arch/arm/cpu/armv7/omap-common/mem-common.c +++ b/arch/arm/cpu/armv7/omap-common/mem-common.c @@ -121,7 +121,8 @@ void gpmc_init(void) writel(0x00000008, &gpmc_cfg->sysconfig); writel(0x00000000, &gpmc_cfg->irqstatus); writel(0x00000000, &gpmc_cfg->irqenable); - writel(0x00000000, &gpmc_cfg->timeout_control); + /* disable timeout, set a safe reset value */ + writel(0x00001ff0, &gpmc_cfg->timeout_control); #ifdef CONFIG_NOR writel(0x00000200, &gpmc_cfg->config); #else @@ -133,5 +134,6 @@ void gpmc_init(void) writel(0, &gpmc_cfg->cs[0].config7); sdelay(1000); /* enable chip-select specific configurations */ - enable_gpmc_cs_config(gpmc_regs, &gpmc_cfg->cs[0], base, size); + if (base != 0) + enable_gpmc_cs_config(gpmc_regs, &gpmc_cfg->cs[0], base, size); } diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c index e252e7f..667e77f 100644 --- a/arch/arm/cpu/armv7/omap3/board.c +++ b/arch/arm/cpu/armv7/omap3/board.c @@ -147,7 +147,7 @@ void secure_unlock_mem(void) * configure secure registers and exit secure world * general use. *****************************************************************************/ -void secureworld_exit() +void secureworld_exit(void) { unsigned long i; @@ -178,7 +178,7 @@ void secureworld_exit() * Description: If chip is GP/EMU(special) type, unlock the SRAM for * general use. *****************************************************************************/ -void try_unlock_memory() +void try_unlock_memory(void) { int mode; int in_sdram = is_running_in_sdram(); diff --git a/arch/arm/include/asm/arch-davinci/emif_defs.h b/arch/arm/include/asm/arch-davinci/emif_defs.h deleted file mode 100644 index 7e19cfe..0000000 --- a/arch/arm/include/asm/arch-davinci/emif_defs.h +++ /dev/null @@ -1,72 +0,0 @@ -/* - * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#ifndef _EMIF_DEFS_H_ -#define _EMIF_DEFS_H_ - -#include <asm/arch/hardware.h> - -struct davinci_emif_regs { - u_int32_t ercsr; - u_int32_t awccr; - u_int32_t sdbcr; - u_int32_t sdrcr; - u_int32_t ab1cr; - u_int32_t ab2cr; - u_int32_t ab3cr; - u_int32_t ab4cr; - u_int32_t sdtimr; - u_int32_t ddrsr; - u_int32_t ddrphycr; - u_int32_t ddrphysr; - u_int32_t totar; - u_int32_t totactr; - u_int32_t ddrphyid_rev; - u_int32_t sdsretr; - u_int32_t eirr; - u_int32_t eimr; - u_int32_t eimsr; - u_int32_t eimcr; - u_int32_t ioctrlr; - u_int32_t iostatr; - u_int8_t rsvd0[8]; - u_int32_t nandfcr; - u_int32_t nandfsr; - u_int8_t rsvd1[8]; - u_int32_t nandfecc[4]; - u_int8_t rsvd2[60]; - u_int32_t nand4biteccload; - u_int32_t nand4bitecc[4]; - u_int32_t nanderradd1; - u_int32_t nanderradd2; - u_int32_t nanderrval1; - u_int32_t nanderrval2; -}; - -#define davinci_emif_regs \ - ((struct davinci_emif_regs *)DAVINCI_ASYNC_EMIF_CNTRL_BASE) - -#define DAVINCI_NANDFCR_NAND_ENABLE(n) (1 << (n-2)) -#define DAVINCI_NANDFCR_4BIT_ECC_SEL_MASK (3 << 4) -#define DAVINCI_NANDFCR_4BIT_ECC_SEL(n) ((n-2) << 4) -#define DAVINCI_NANDFCR_1BIT_ECC_START(n) (1 << (8 + (n-2))) -#define DAVINCI_NANDFCR_4BIT_ECC_START (1 << 12) -#define DAVINCI_NANDFCR_4BIT_CALC_START (1 << 13) -#define DAVINCI_NANDFCR_CS2NAND (1 << 0) - -/* Chip Select setup */ -#define DAVINCI_ABCR_STROBE_SELECT (1 << 31) -#define DAVINCI_ABCR_EXT_WAIT (1 << 30) -#define DAVINCI_ABCR_WSETUP(n) (n << 26) -#define DAVINCI_ABCR_WSTROBE(n) (n << 20) -#define DAVINCI_ABCR_WHOLD(n) (n << 17) -#define DAVINCI_ABCR_RSETUP(n) (n << 13) -#define DAVINCI_ABCR_RSTROBE(n) (n << 7) -#define DAVINCI_ABCR_RHOLD(n) (n << 4) -#define DAVINCI_ABCR_TA(n) (n << 2) -#define DAVINCI_ABCR_ASIZE_16BIT 1 -#define DAVINCI_ABCR_ASIZE_8BIT 0 - -#endif diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index 98fe56e..a4eb0bd 100644 --- a/arch/arm/include/asm/arch-davinci/hardware.h +++ b/arch/arm/include/asm/arch-davinci/hardware.h @@ -597,7 +597,6 @@ static inline enum davinci_clk_ids get_async3_src(void) #if defined(CONFIG_SOC_DM365) #include <asm/arch/aintc_defs.h> #include <asm/arch/ddr2_defs.h> -#include <asm/arch/emif_defs.h> #include <asm/arch/gpio.h> #include <asm/arch/pll_defs.h> #include <asm/arch/psc_defs.h> diff --git a/arch/arm/include/asm/arch-davinci/nand_defs.h b/arch/arm/include/asm/arch-davinci/nand_defs.h deleted file mode 100644 index dee1c6f..0000000 --- a/arch/arm/include/asm/arch-davinci/nand_defs.h +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> - * - * Parts shamelesly stolen from Linux Kernel source tree. - * - * ------------------------------------------------------------ - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#ifndef _NAND_DEFS_H_ -#define _NAND_DEFS_H_ - -#include <asm/arch/hardware.h> - -#ifdef CONFIG_SOC_DM646X -#define MASK_CLE 0x80000 -#define MASK_ALE 0x40000 -#else -#define MASK_CLE 0x10 -#define MASK_ALE 0x08 -#endif - -#ifdef CONFIG_SYS_NAND_MASK_CLE -#undef MASK_CLE -#define MASK_CLE CONFIG_SYS_NAND_MASK_CLE -#endif -#ifdef CONFIG_SYS_NAND_MASK_ALE -#undef MASK_ALE -#define MASK_ALE CONFIG_SYS_NAND_MASK_ALE -#endif - -#define NAND_READ_START 0x00 -#define NAND_READ_END 0x30 -#define NAND_STATUS 0x70 - -extern void davinci_nand_init(struct nand_chip *nand); - -#endif diff --git a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h index 7ac2662..50ce649 100644 --- a/arch/arm/include/asm/arch-keystone/hardware-k2hk.h +++ b/arch/arm/include/asm/arch-keystone/hardware-k2hk.h @@ -9,13 +9,6 @@ #ifndef __ASM_ARCH_HARDWARE_K2HK_H #define __ASM_ARCH_HARDWARE_K2HK_H -#define K2HK_ASYNC_EMIF_CNTRL_BASE 0x21000a00 -#define DAVINCI_ASYNC_EMIF_CNTRL_BASE K2HK_ASYNC_EMIF_CNTRL_BASE -#define K2HK_ASYNC_EMIF_DATA_CE0_BASE 0x30000000 -#define K2HK_ASYNC_EMIF_DATA_CE1_BASE 0x34000000 -#define K2HK_ASYNC_EMIF_DATA_CE2_BASE 0x38000000 -#define K2HK_ASYNC_EMIF_DATA_CE3_BASE 0x3c000000 - #define K2HK_PLL_CNTRL_BASE 0x02310000 #define CLOCK_BASE K2HK_PLL_CNTRL_BASE #define KS2_RSTCTRL (K2HK_PLL_CNTRL_BASE + 0xe8) diff --git a/arch/arm/include/asm/arch-keystone/hardware.h b/arch/arm/include/asm/arch-keystone/hardware.h index 6c532ca..ffdecbf 100644 --- a/arch/arm/include/asm/arch-keystone/hardware.h +++ b/arch/arm/include/asm/arch-keystone/hardware.h @@ -22,32 +22,6 @@ typedef volatile unsigned int dv_reg; typedef volatile unsigned int *dv_reg_p; -#define ASYNC_EMIF_NUM_CS 4 -#define ASYNC_EMIF_MODE_NOR 0 -#define ASYNC_EMIF_MODE_NAND 1 -#define ASYNC_EMIF_MODE_ONENAND 2 -#define ASYNC_EMIF_PRESERVE -1 - -struct async_emif_config { - unsigned mode; - unsigned select_strobe; - unsigned extend_wait; - unsigned wr_setup; - unsigned wr_strobe; - unsigned wr_hold; - unsigned rd_setup; - unsigned rd_strobe; - unsigned rd_hold; - unsigned turn_around; - enum { - ASYNC_EMIF_8 = 0, - ASYNC_EMIF_16 = 1, - ASYNC_EMIF_32 = 2, - } width; -}; - -void init_async_emif(int num_cs, struct async_emif_config *config); - struct ddr3_phy_config { unsigned int pllcr; unsigned int pgcr1_mask; @@ -145,6 +119,10 @@ struct ddr3_emif_config { #define KS2_UART0_BASE 0x02530c00 #define KS2_UART1_BASE 0x02531000 +/* AEMIF */ +#define KS2_AEMIF_CNTRL_BASE 0x21000a00 +#define DAVINCI_ASYNC_EMIF_CNTRL_BASE KS2_AEMIF_CNTRL_BASE + #ifdef CONFIG_SOC_K2HK #include <asm/arch/hardware-k2hk.h> #endif diff --git a/arch/arm/include/asm/arch-keystone/nand_defs.h b/arch/arm/include/asm/arch-keystone/nand_defs.h deleted file mode 100644 index 58417db..0000000 --- a/arch/arm/include/asm/arch-keystone/nand_defs.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * nand driver definitions to re-use davinci nand driver on Keystone2 - * - * (C) Copyright 2012-2014 - * Texas Instruments Incorporated, <www.ti.com> - * (C) Copyright 2007 Sergey Kubushyn <ksi@koi8.net> - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#ifndef _NAND_DEFS_H_ -#define _NAND_DEFS_H_ - -#include <asm/arch/hardware.h> -#include <linux/mtd/nand.h> - -#define MASK_CLE 0x4000 -#define MASK_ALE 0x2000 - -#define NAND_READ_START 0x00 -#define NAND_READ_END 0x30 -#define NAND_STATUS 0x70 - -#endif diff --git a/arch/arm/include/asm/arch-tnetv107x/emif_defs.h b/arch/arm/include/asm/arch-tnetv107x/emif_defs.h deleted file mode 100644 index 9969a01..0000000 --- a/arch/arm/include/asm/arch-tnetv107x/emif_defs.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm/arch-davinci/emif_defs.h> diff --git a/arch/arm/include/asm/arch-tnetv107x/hardware.h b/arch/arm/include/asm/arch-tnetv107x/hardware.h index 2a7ca4e..d458e0b 100644 --- a/arch/arm/include/asm/arch-tnetv107x/hardware.h +++ b/arch/arm/include/asm/arch-tnetv107x/hardware.h @@ -155,4 +155,6 @@ int wdt_kick(void); #define INTC_HINT_EN (TNETV107X_INTC_BASE + 0x1500) #define INTC_EN_CLR0 (TNETV107X_INTC_BASE + 0x380) +#define DAVINCI_ASYNC_EMIF_CNTRL_BASE TNETV107X_ASYNC_EMIF_CNTRL_BASE + #endif /* __ASM_ARCH_HARDWARE_H */ diff --git a/arch/arm/include/asm/arch-tnetv107x/nand_defs.h b/arch/arm/include/asm/arch-tnetv107x/nand_defs.h deleted file mode 100644 index b298fba..0000000 --- a/arch/arm/include/asm/arch-tnetv107x/nand_defs.h +++ /dev/null @@ -1,23 +0,0 @@ -/* - * TNETV107X: NAND definitions - * - * SPDX-License-Identifier: GPL-2.0+ - */ -#ifndef _NAND_DEFS_H_ -#define _NAND_DEFS_H_ - -#include <asm/arch/hardware.h> -#include <asm/arch/emif_defs.h> - -#define DAVINCI_ASYNC_EMIF_CNTRL_BASE TNETV107X_ASYNC_EMIF_CNTRL_BASE - -#define MASK_CLE 0x4000 -#define MASK_ALE 0x2000 - -#define NAND_READ_START 0x00 -#define NAND_READ_END 0x30 -#define NAND_STATUS 0x70 - -extern void davinci_nand_init(struct nand_chip *nand); - -#endif diff --git a/arch/arm/include/asm/arch-keystone/emif_defs.h b/arch/arm/include/asm/ti-common/davinci_nand.h index a3378aa..11407be 100644 --- a/arch/arm/include/asm/arch-keystone/emif_defs.h +++ b/arch/arm/include/asm/ti-common/davinci_nand.h @@ -1,23 +1,45 @@ /* - * emif definitions to re-use davinci emif driver on Keystone2 + * NAND Flash Driver * - * (C) Copyright 2012-2014 - * Texas Instruments Incorporated, <www.ti.com> - * (C) Copyright 2007 Sergey Kubushyn <ksi@koi8.net> + * Copyright (C) 2006-2014 Texas Instruments. * - * SPDX-License-Identifier: GPL-2.0+ + * Based on Linux DaVinci NAND driver by TI. */ -#ifndef _EMIF_DEFS_H_ -#define _EMIF_DEFS_H_ +#ifndef _DAVINCI_NAND_H_ +#define _DAVINCI_NAND_H_ + +#include <linux/mtd/nand.h> #include <asm/arch/hardware.h> +#define NAND_READ_START 0x00 +#define NAND_READ_END 0x30 +#define NAND_STATUS 0x70 + +#define MASK_CLE 0x10 +#define MASK_ALE 0x08 + +#ifdef CONFIG_SYS_NAND_MASK_CLE +#undef MASK_CLE +#define MASK_CLE CONFIG_SYS_NAND_MASK_CLE +#endif +#ifdef CONFIG_SYS_NAND_MASK_ALE +#undef MASK_ALE +#define MASK_ALE CONFIG_SYS_NAND_MASK_ALE +#endif + struct davinci_emif_regs { uint32_t ercsr; uint32_t awccr; uint32_t sdbcr; uint32_t sdrcr; - uint32_t abncr[4]; + union { + uint32_t abncr[4]; + uint32_t ab1cr; + uint32_t ab2cr; + uint32_t ab3cr; + uint32_t ab4cr; + }; uint32_t sdtimr; uint32_t ddrsr; uint32_t ddrphycr; @@ -56,18 +78,21 @@ struct davinci_emif_regs { #define DAVINCI_NANDFCR_1BIT_ECC_START(n) (1 << (8 + ((n) - 2))) #define DAVINCI_NANDFCR_4BIT_ECC_START (1 << 12) #define DAVINCI_NANDFCR_4BIT_CALC_START (1 << 13) +#define DAVINCI_NANDFCR_CS2NAND (1 << 0) /* Chip Select setup */ #define DAVINCI_ABCR_STROBE_SELECT (1 << 31) #define DAVINCI_ABCR_EXT_WAIT (1 << 30) -#define DAVINCI_ABCR_WSETUP(n) ((n) << 26) -#define DAVINCI_ABCR_WSTROBE(n) ((n) << 20) -#define DAVINCI_ABCR_WHOLD(n) ((n) << 17) -#define DAVINCI_ABCR_RSETUP(n) ((n) << 13) -#define DAVINCI_ABCR_RSTROBE(n) ((n) << 7) -#define DAVINCI_ABCR_RHOLD(n) ((n) << 4) -#define DAVINCI_ABCR_TA(n) ((n) << 2) +#define DAVINCI_ABCR_WSETUP(n) (n << 26) +#define DAVINCI_ABCR_WSTROBE(n) (n << 20) +#define DAVINCI_ABCR_WHOLD(n) (n << 17) +#define DAVINCI_ABCR_RSETUP(n) (n << 13) +#define DAVINCI_ABCR_RSTROBE(n) (n << 7) +#define DAVINCI_ABCR_RHOLD(n) (n << 4) +#define DAVINCI_ABCR_TA(n) (n << 2) #define DAVINCI_ABCR_ASIZE_16BIT 1 #define DAVINCI_ABCR_ASIZE_8BIT 0 +void davinci_nand_init(struct nand_chip *nand); + #endif diff --git a/arch/arm/include/asm/ti-common/ti-aemif.h b/arch/arm/include/asm/ti-common/ti-aemif.h new file mode 100644 index 0000000..4a311d4 --- /dev/null +++ b/arch/arm/include/asm/ti-common/ti-aemif.h @@ -0,0 +1,39 @@ +/* + * AEMIF definitions + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _AEMIF_H_ +#define _AEMIF_H_ + +#define AEMIF_NUM_CS 4 +#define AEMIF_MODE_NOR 0 +#define AEMIF_MODE_NAND 1 +#define AEMIF_MODE_ONENAND 2 +#define AEMIF_PRESERVE -1 + +struct aemif_config { + unsigned mode; + unsigned select_strobe; + unsigned extend_wait; + unsigned wr_setup; + unsigned wr_strobe; + unsigned wr_hold; + unsigned rd_setup; + unsigned rd_strobe; + unsigned rd_hold; + unsigned turn_around; + enum { + AEMIF_WIDTH_8 = 0, + AEMIF_WIDTH_16 = 1, + AEMIF_WIDTH_32 = 2, + } width; +}; + +void aemif_init(int num_cs, struct aemif_config *config); + +#endif |