diff options
Diffstat (limited to 'target/linux/adm5120/files/include/asm-mips')
4 files changed, 115 insertions, 5 deletions
diff --git a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_defs.h b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_defs.h index f5ab1b3f1..d39620aab 100644 --- a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_defs.h +++ b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_defs.h @@ -29,6 +29,7 @@ #define ADM5120_SDRAM0_BASE 0x00000000 #define ADM5120_SDRAM1_BASE 0x01000000 #define ADM5120_SRAM1_BASE 0x10000000 +#define ADM5120_NAND_BASE ADM5120_SRAM1_BASE #define ADM5120_MPMC_BASE 0x11000000 #define ADM5120_USBC_BASE 0x11200000 #define ADM5120_PCIMEM_BASE 0x11400000 @@ -41,6 +42,7 @@ #define ADM5120_UART1_BASE 0x12800000 #define ADM5120_SRAM0_BASE 0x1FC00000 +#define ADM5120_NAND_SIZE 0xB #define ADM5120_MPMC_SIZE 0x1000 #define ADM5120_USBC_SIZE 0x84 #define ADM5120_PCIMEM_SIZE (ADM5120_PCIIO_BASE - ADM5120_PCIMEM_BASE) diff --git a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_nand.h b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_nand.h new file mode 100644 index 000000000..8d86fc6e7 --- /dev/null +++ b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_nand.h @@ -0,0 +1,102 @@ +/* + * ADM5120 NAND interface definitions + * + * This header file defines the hardware registers of the ADM5120 SoC + * built-in NAND interface. + * + * Copyright (C) 2007 OpenWrt.org + * Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org> + * + * NAND interface routines was based on a driver for Linux 2.6.19+ which + * was derived from the driver for Linux 2.4.xx published by Mikrotik for + * their RouterBoard 1xx and 5xx series boards. + * Copyright (C) 2007 David Goodenough <david.goodenough@linkchoose.co.uk> + * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org> + * The original Mikrotik code seems not to have a license. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + +#ifndef _ADM5120_NAND_H_ +#define _ADM5120_NAND_H_ + +#include <linux/types.h> +#include <linux/io.h> + +#include <adm5120_defs.h> +#include <adm5120_switch.h> + +/* NAND control registers */ +#define NAND_REG_DATA 0x0 /* data register */ +#define NAND_REG_SET_CEn 0x1 /* CE# low */ +#define NAND_REG_CLR_CEn 0x2 /* CE# high */ +#define NAND_REG_CLR_CLE 0x3 /* CLE low */ +#define NAND_REG_SET_CLE 0x4 /* CLE high */ +#define NAND_REG_CLR_ALE 0x5 /* ALE low */ +#define NAND_REG_SET_ALE 0x6 /* ALE high */ +#define NAND_REG_SET_SPn 0x7 /* SP# low (use spare area) */ +#define NAND_REG_CLR_SPn 0x8 /* SP# high (do not use spare area) */ +#define NAND_REG_SET_WPn 0x9 /* WP# low */ +#define NAND_REG_CLR_WPn 0xA /* WP# high */ +#define NAND_REG_STATUS 0xB /* Status register */ + +#define ADM5120_NAND_STATUS_READY 0x80 + +#define NAND_READ_REG(r) \ + readb((void __iomem *)KSEG1ADDR(ADM5120_NAND_BASE) + (r)) +#define NAND_WRITE_REG(r, v) \ + writeb((v),(void __iomem *)KSEG1ADDR(ADM5120_NAND_BASE) + (r)) + +/*-------------------------------------------------------------------------*/ + +static inline void adm5120_nand_enable(void) +{ + SW_WRITE_REG(BW_CNTL1, BW_CNTL1_NAND_ENABLE); + SW_WRITE_REG(BOOT_DONE, 1); +} + +static inline void adm5120_nand_set_wpn(unsigned int set) +{ + NAND_WRITE_REG((set) ? NAND_REG_SET_WPn : NAND_REG_CLR_WPn, 1); +} + +static inline void adm5120_nand_set_spn(unsigned int set) +{ + NAND_WRITE_REG((set) ? NAND_REG_SET_SPn : NAND_REG_CLR_SPn, 1); +} + +static inline void adm5120_nand_set_cle(unsigned int set) +{ + NAND_WRITE_REG((set) ? NAND_REG_SET_CLE : NAND_REG_CLR_CLE, 1); +} + +static inline void adm5120_nand_set_ale(unsigned int set) +{ + NAND_WRITE_REG((set) ? NAND_REG_SET_ALE : NAND_REG_CLR_ALE, 1); +} + +static inline void adm5120_nand_set_cen(unsigned int set) +{ + NAND_WRITE_REG((set) ? NAND_REG_SET_CEn : NAND_REG_CLR_CEn, 1); +} + +static inline u8 adm5120_nand_get_status(void) +{ + return NAND_READ_REG(NAND_REG_STATUS); +} + +#endif /* _ADM5120_NAND_H_ */ diff --git a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h index 9b2c98dc9..b20c483b8 100644 --- a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h +++ b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_platform.h @@ -31,6 +31,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/map.h> #include <linux/mtd/partitions.h> +#include <linux/mtd/nand.h> #include <linux/amba/bus.h> #include <linux/amba/serial.h> @@ -44,10 +45,6 @@ struct adm5120_flash_platform_data { #endif }; -struct adm5120_nand_platform_data { - /* TODO : not yet implemented */ -}; - struct adm5120_switch_platform_data { /* TODO: not yet implemented */ }; @@ -73,7 +70,7 @@ static inline void adm5120_pci_set_irq_map(unsigned int nr_irqs, extern struct adm5120_flash_platform_data adm5120_flash0_data; extern struct adm5120_flash_platform_data adm5120_flash1_data; -extern struct adm5120_nand_platform_data adm5120_nand_data; +extern struct platform_nand_data adm5120_nand_data; extern struct adm5120_switch_platform_data adm5120_switch_data; extern struct amba_pl010_data adm5120_uart0_data; extern struct amba_pl010_data adm5120_uart1_data; @@ -86,4 +83,11 @@ extern struct platform_device adm5120_switch_device; extern struct amba_device adm5120_uart0_device; extern struct amba_device adm5120_uart1_device; +extern void adm5120_uart_set_mctrl(struct amba_device *dev, void __iomem *base, + unsigned int mctrl); + +extern void adm5120_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, + unsigned int ctrl); +extern int adm5120_nand_ready(struct mtd_info *mtd); + #endif /* _ADM5120_PLATFORM_H_ */ diff --git a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_switch.h b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_switch.h index f3c05f6ef..c3af94ba7 100644 --- a/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_switch.h +++ b/target/linux/adm5120/files/include/asm-mips/mach-adm5120/adm5120_switch.h @@ -171,6 +171,8 @@ #define P5TBC_SHIFT 8 #define P5RBC_SHIFT 12 +#define BW_CNTL1_NAND_ENABLE 0x100 + /* PHY_CNTL0 register bits */ #define PHY_CNTL0_PHYA_MASK BITMASK(5) #define PHY_CNTL0_PHYR_MASK BITMASK(5) |