diff options
Diffstat (limited to 'arch/arm/mach-s3c24xx/include/mach')
48 files changed, 4126 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/include/mach/anubis-cpld.h b/arch/arm/mach-s3c24xx/include/mach/anubis-cpld.h new file mode 100644 index 000000000000..1b614d5a81f3 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/anubis-cpld.h @@ -0,0 +1,25 @@ +/* arch/arm/mach-s3c2410/include/mach/anubis-cpld.h + * + * Copyright (c) 2005 Simtec Electronics + * http://www.simtec.co.uk/products/ + * Ben Dooks <ben@simtec.co.uk> + * + * ANUBIS - CPLD control constants + * + * 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. +*/ + +#ifndef __ASM_ARCH_ANUBISCPLD_H +#define __ASM_ARCH_ANUBISCPLD_H + +/* CTRL2 - NAND WP control, IDE Reset assert/check */ + +#define ANUBIS_CTRL1_NANDSEL (0x3) + +/* IDREG - revision */ + +#define ANUBIS_IDREG_REVMASK (0x7) + +#endif /* __ASM_ARCH_ANUBISCPLD_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/anubis-irq.h b/arch/arm/mach-s3c24xx/include/mach/anubis-irq.h new file mode 100644 index 000000000000..a2a328134e34 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/anubis-irq.h @@ -0,0 +1,21 @@ +/* arch/arm/mach-s3c2410/include/mach/anubis-irq.h + * + * Copyright (c) 2005 Simtec Electronics + * http://www.simtec.co.uk/products/ + * Ben Dooks <ben@simtec.co.uk> + * + * ANUBIS - IRQ Number definitions + * + * 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. +*/ + +#ifndef __ASM_ARCH_ANUBISIRQ_H +#define __ASM_ARCH_ANUBISIRQ_H + +#define IRQ_IDE0 IRQ_EINT2 +#define IRQ_IDE1 IRQ_EINT3 +#define IRQ_ASIX IRQ_EINT1 + +#endif /* __ASM_ARCH_ANUBISIRQ_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/anubis-map.h b/arch/arm/mach-s3c24xx/include/mach/anubis-map.h new file mode 100644 index 000000000000..c9deb3a5b2c3 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/anubis-map.h @@ -0,0 +1,38 @@ +/* arch/arm/mach-s3c2410/include/mach/anubis-map.h + * + * Copyright (c) 2005 Simtec Electronics + * http://www.simtec.co.uk/products/ + * Ben Dooks <ben@simtec.co.uk> + * + * ANUBIS - Memory map definitions + * + * 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. +*/ + +/* needs arch/map.h including with this */ + +#ifndef __ASM_ARCH_ANUBISMAP_H +#define __ASM_ARCH_ANUBISMAP_H + +/* start peripherals off after the S3C2410 */ + +#define ANUBIS_IOADDR(x) (S3C2410_ADDR((x) + 0x01800000)) + +#define ANUBIS_PA_CPLD (S3C2410_CS1 | (1<<26)) + +/* we put the CPLD registers next, to get them out of the way */ + +#define ANUBIS_VA_CTRL1 ANUBIS_IOADDR(0x00000000) /* 0x01800000 */ +#define ANUBIS_PA_CTRL1 (ANUBIS_PA_CPLD) + +#define ANUBIS_VA_IDREG ANUBIS_IOADDR(0x00300000) /* 0x01B00000 */ +#define ANUBIS_PA_IDREG (ANUBIS_PA_CPLD + (3<<23)) + +#define ANUBIS_IDEPRI ANUBIS_IOADDR(0x01000000) +#define ANUBIS_IDEPRIAUX ANUBIS_IOADDR(0x01100000) +#define ANUBIS_IDESEC ANUBIS_IOADDR(0x01200000) +#define ANUBIS_IDESECAUX ANUBIS_IOADDR(0x01300000) + +#endif /* __ASM_ARCH_ANUBISMAP_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/bast-cpld.h b/arch/arm/mach-s3c24xx/include/mach/bast-cpld.h new file mode 100644 index 000000000000..bee2a7a932a0 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/bast-cpld.h @@ -0,0 +1,53 @@ +/* arch/arm/mach-s3c2410/include/mach/bast-cpld.h + * + * Copyright (c) 2003-2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * BAST - CPLD control constants + * + * 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. +*/ + +#ifndef __ASM_ARCH_BASTCPLD_H +#define __ASM_ARCH_BASTCPLD_H + +/* CTRL1 - Audio LR routing */ + +#define BAST_CPLD_CTRL1_LRCOFF (0x00) +#define BAST_CPLD_CTRL1_LRCADC (0x01) +#define BAST_CPLD_CTRL1_LRCDAC (0x02) +#define BAST_CPLD_CTRL1_LRCARM (0x03) +#define BAST_CPLD_CTRL1_LRMASK (0x03) + +/* CTRL2 - NAND WP control, IDE Reset assert/check */ + +#define BAST_CPLD_CTRL2_WNAND (0x04) +#define BAST_CPLD_CTLR2_IDERST (0x08) + +/* CTRL3 - rom write control, CPLD identity */ + +#define BAST_CPLD_CTRL3_IDMASK (0x0e) +#define BAST_CPLD_CTRL3_ROMWEN (0x01) + +/* CTRL4 - 8bit LCD interface control/status */ + +#define BAST_CPLD_CTRL4_LLAT (0x01) +#define BAST_CPLD_CTRL4_LCDRW (0x02) +#define BAST_CPLD_CTRL4_LCDCMD (0x04) +#define BAST_CPLD_CTRL4_LCDE2 (0x01) + +/* CTRL5 - DMA routing */ + +#define BAST_CPLD_DMA0_PRIIDE (0<<0) +#define BAST_CPLD_DMA0_SECIDE (1<<0) +#define BAST_CPLD_DMA0_ISA15 (2<<0) +#define BAST_CPLD_DMA0_ISA36 (3<<0) + +#define BAST_CPLD_DMA1_PRIIDE (0<<2) +#define BAST_CPLD_DMA1_SECIDE (1<<2) +#define BAST_CPLD_DMA1_ISA15 (2<<2) +#define BAST_CPLD_DMA1_ISA36 (3<<2) + +#endif /* __ASM_ARCH_BASTCPLD_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/bast-irq.h b/arch/arm/mach-s3c24xx/include/mach/bast-irq.h new file mode 100644 index 000000000000..cac428c42e7f --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/bast-irq.h @@ -0,0 +1,29 @@ +/* arch/arm/mach-s3c2410/include/mach/bast-irq.h + * + * Copyright (c) 2003-2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Machine BAST - IRQ Number definitions + * + * 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. +*/ + +#ifndef __ASM_ARCH_BASTIRQ_H +#define __ASM_ARCH_BASTIRQ_H + +/* irq numbers to onboard peripherals */ + +#define IRQ_USBOC IRQ_EINT18 +#define IRQ_IDE0 IRQ_EINT16 +#define IRQ_IDE1 IRQ_EINT17 +#define IRQ_PCSERIAL1 IRQ_EINT15 +#define IRQ_PCSERIAL2 IRQ_EINT14 +#define IRQ_PCPARALLEL IRQ_EINT13 +#define IRQ_ASIX IRQ_EINT11 +#define IRQ_DM9000 IRQ_EINT10 +#define IRQ_ISA IRQ_EINT9 +#define IRQ_SMALERT IRQ_EINT8 + +#endif /* __ASM_ARCH_BASTIRQ_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/bast-map.h b/arch/arm/mach-s3c24xx/include/mach/bast-map.h new file mode 100644 index 000000000000..6e7dc9d0cf0e --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/bast-map.h @@ -0,0 +1,146 @@ +/* arch/arm/mach-s3c2410/include/mach/bast-map.h + * + * Copyright (c) 2003-2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Machine BAST - Memory map definitions + * + * 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. +*/ + +/* needs arch/map.h including with this */ + +/* ok, we've used up to 0x13000000, now we need to find space for the + * peripherals that live in the nGCS[x] areas, which are quite numerous + * in their space. We also have the board's CPLD to find register space + * for. + */ + +#ifndef __ASM_ARCH_BASTMAP_H +#define __ASM_ARCH_BASTMAP_H + +#define BAST_IOADDR(x) (S3C2410_ADDR((x) + 0x01300000)) + +/* we put the CPLD registers next, to get them out of the way */ + +#define BAST_VA_CTRL1 BAST_IOADDR(0x00000000) /* 0x01300000 */ +#define BAST_PA_CTRL1 (S3C2410_CS5 | 0x7800000) + +#define BAST_VA_CTRL2 BAST_IOADDR(0x00100000) /* 0x01400000 */ +#define BAST_PA_CTRL2 (S3C2410_CS1 | 0x6000000) + +#define BAST_VA_CTRL3 BAST_IOADDR(0x00200000) /* 0x01500000 */ +#define BAST_PA_CTRL3 (S3C2410_CS1 | 0x6800000) + +#define BAST_VA_CTRL4 BAST_IOADDR(0x00300000) /* 0x01600000 */ +#define BAST_PA_CTRL4 (S3C2410_CS1 | 0x7000000) + +/* next, we have the PC104 ISA interrupt registers */ + +#define BAST_PA_PC104_IRQREQ (S3C2410_CS5 | 0x6000000) /* 0x01700000 */ +#define BAST_VA_PC104_IRQREQ BAST_IOADDR(0x00400000) + +#define BAST_PA_PC104_IRQRAW (S3C2410_CS5 | 0x6800000) /* 0x01800000 */ +#define BAST_VA_PC104_IRQRAW BAST_IOADDR(0x00500000) + +#define BAST_PA_PC104_IRQMASK (S3C2410_CS5 | 0x7000000) /* 0x01900000 */ +#define BAST_VA_PC104_IRQMASK BAST_IOADDR(0x00600000) + +#define BAST_PA_LCD_RCMD1 (0x8800000) +#define BAST_VA_LCD_RCMD1 BAST_IOADDR(0x00700000) + +#define BAST_PA_LCD_WCMD1 (0x8000000) +#define BAST_VA_LCD_WCMD1 BAST_IOADDR(0x00800000) + +#define BAST_PA_LCD_RDATA1 (0x9800000) +#define BAST_VA_LCD_RDATA1 BAST_IOADDR(0x00900000) + +#define BAST_PA_LCD_WDATA1 (0x9000000) +#define BAST_VA_LCD_WDATA1 BAST_IOADDR(0x00A00000) + +#define BAST_PA_LCD_RCMD2 (0xA800000) +#define BAST_VA_LCD_RCMD2 BAST_IOADDR(0x00B00000) + +#define BAST_PA_LCD_WCMD2 (0xA000000) +#define BAST_VA_LCD_WCMD2 BAST_IOADDR(0x00C00000) + +#define BAST_PA_LCD_RDATA2 (0xB800000) +#define BAST_VA_LCD_RDATA2 BAST_IOADDR(0x00D00000) + +#define BAST_PA_LCD_WDATA2 (0xB000000) +#define BAST_VA_LCD_WDATA2 BAST_IOADDR(0x00E00000) + + +/* 0xE0000000 contains the IO space that is split by speed and + * wether the access is for 8 or 16bit IO... this ensures that + * the correct access is made + * + * 0x10000000 of space, partitioned as so: + * + * 0x00000000 to 0x04000000 8bit, slow + * 0x04000000 to 0x08000000 16bit, slow + * 0x08000000 to 0x0C000000 16bit, net + * 0x0C000000 to 0x10000000 16bit, fast + * + * each of these spaces has the following in: + * + * 0x00000000 to 0x01000000 16MB ISA IO space + * 0x01000000 to 0x02000000 16MB ISA memory space + * 0x02000000 to 0x02100000 1MB IDE primary channel + * 0x02100000 to 0x02200000 1MB IDE primary channel aux + * 0x02200000 to 0x02400000 1MB IDE secondary channel + * 0x02300000 to 0x02400000 1MB IDE secondary channel aux + * 0x02400000 to 0x02500000 1MB ASIX ethernet controller + * 0x02500000 to 0x02600000 1MB Davicom DM9000 ethernet controller + * 0x02600000 to 0x02700000 1MB PC SuperIO controller + * + * the phyiscal layout of the zones are: + * nGCS2 - 8bit, slow + * nGCS3 - 16bit, slow + * nGCS4 - 16bit, net + * nGCS5 - 16bit, fast + */ + +#define BAST_VA_MULTISPACE (0xE0000000) + +#define BAST_VA_ISAIO (BAST_VA_MULTISPACE + 0x00000000) +#define BAST_VA_ISAMEM (BAST_VA_MULTISPACE + 0x01000000) +#define BAST_VA_IDEPRI (BAST_VA_MULTISPACE + 0x02000000) +#define BAST_VA_IDEPRIAUX (BAST_VA_MULTISPACE + 0x02100000) +#define BAST_VA_IDESEC (BAST_VA_MULTISPACE + 0x02200000) +#define BAST_VA_IDESECAUX (BAST_VA_MULTISPACE + 0x02300000) +#define BAST_VA_ASIXNET (BAST_VA_MULTISPACE + 0x02400000) +#define BAST_VA_DM9000 (BAST_VA_MULTISPACE + 0x02500000) +#define BAST_VA_SUPERIO (BAST_VA_MULTISPACE + 0x02600000) + +#define BAST_VA_MULTISPACE (0xE0000000) + +#define BAST_VAM_CS2 (0x00000000) +#define BAST_VAM_CS3 (0x04000000) +#define BAST_VAM_CS4 (0x08000000) +#define BAST_VAM_CS5 (0x0C000000) + +/* physical offset addresses for the peripherals */ + +#define BAST_PA_ISAIO (0x00000000) +#define BAST_PA_ASIXNET (0x01000000) +#define BAST_PA_SUPERIO (0x01800000) +#define BAST_PA_IDEPRI (0x02000000) +#define BAST_PA_IDEPRIAUX (0x02800000) +#define BAST_PA_IDESEC (0x03000000) +#define BAST_PA_IDESECAUX (0x03800000) +#define BAST_PA_ISAMEM (0x04000000) +#define BAST_PA_DM9000 (0x05000000) + +/* some configurations for the peripherals */ + +#define BAST_PCSIO (BAST_VA_SUPERIO + BAST_VAM_CS2) +/* */ + +#define BAST_ASIXNET_CS BAST_VAM_CS5 +#define BAST_IDE_CS BAST_VAM_CS5 +#define BAST_DM9000_CS BAST_VAM_CS4 + +#endif /* __ASM_ARCH_BASTMAP_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/bast-pmu.h b/arch/arm/mach-s3c24xx/include/mach/bast-pmu.h new file mode 100644 index 000000000000..4c38b39b741d --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/bast-pmu.h @@ -0,0 +1,40 @@ +/* arch/arm/mach-s3c2410/include/mach/bast-pmu.h + * + * Copyright (c) 2003-2004 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * Vincent Sanders <vince@simtec.co.uk> + * + * Machine BAST - Power Management chip + * + * 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. +*/ + +#ifndef __ASM_ARCH_BASTPMU_H +#define __ASM_ARCH_BASTPMU_H "08_OCT_2004" + +#define BASTPMU_REG_IDENT (0x00) +#define BASTPMU_REG_VERSION (0x01) +#define BASTPMU_REG_DDCCTRL (0x02) +#define BASTPMU_REG_POWER (0x03) +#define BASTPMU_REG_RESET (0x04) +#define BASTPMU_REG_GWO (0x05) +#define BASTPMU_REG_WOL (0x06) +#define BASTPMU_REG_WOR (0x07) +#define BASTPMU_REG_UID (0x09) + +#define BASTPMU_EEPROM (0xC0) + +#define BASTPMU_EEP_UID (BASTPMU_EEPROM + 0) +#define BASTPMU_EEP_WOL (BASTPMU_EEPROM + 8) +#define BASTPMU_EEP_WOR (BASTPMU_EEPROM + 9) + +#define BASTPMU_IDENT_0 0x53 +#define BASTPMU_IDENT_1 0x42 +#define BASTPMU_IDENT_2 0x50 +#define BASTPMU_IDENT_3 0x4d + +#define BASTPMU_RESET_GUARD (0x55) + +#endif /* __ASM_ARCH_BASTPMU_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/debug-macro.S b/arch/arm/mach-s3c24xx/include/mach/debug-macro.S new file mode 100644 index 000000000000..4135de87d1f7 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/debug-macro.S @@ -0,0 +1,101 @@ +/* arch/arm/mach-s3c2410/include/mach/debug-macro.S + * + * Debugging macro include header + * + * Copyright (C) 1994-1999 Russell King + * Copyright (C) 2005 Simtec Electronics + * + * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks + * + * 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 <mach/map.h> +#include <mach/regs-gpio.h> +#include <plat/regs-serial.h> + +#define S3C2410_UART1_OFF (0x4000) +#define SHIFT_2440TXF (14-9) + + .macro addruart, rp, rv, tmp + ldr \rp, = S3C24XX_PA_UART + ldr \rv, = S3C24XX_VA_UART +#if CONFIG_DEBUG_S3C_UART != 0 + add \rp, \rp, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART) + add \rv, \rv, #(S3C2410_UART1_OFF * CONFIG_DEBUG_S3C_UART) +#endif + .endm + + .macro fifo_full_s3c24xx rd, rx + @ check for arm920 vs arm926. currently assume all arm926 + @ devices have an 64 byte FIFO identical to the s3c2440 + mrc p15, 0, \rd, c0, c0 + and \rd, \rd, #0xff0 + teq \rd, #0x260 + beq 1004f + mrc p15, 0, \rd, c1, c0 + tst \rd, #1 + addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART) + addne \rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART) + bic \rd, \rd, #0xff000 + ldr \rd, [ \rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0) ] + and \rd, \rd, #0x00ff0000 + teq \rd, #0x00440000 @ is it 2440? +1004: + ldr \rd, [ \rx, # S3C2410_UFSTAT ] + moveq \rd, \rd, lsr #SHIFT_2440TXF + tst \rd, #S3C2410_UFSTAT_TXFULL + .endm + + .macro fifo_full_s3c2410 rd, rx + ldr \rd, [ \rx, # S3C2410_UFSTAT ] + tst \rd, #S3C2410_UFSTAT_TXFULL + .endm + +/* fifo level reading */ + + .macro fifo_level_s3c24xx rd, rx + @ check for arm920 vs arm926. currently assume all arm926 + @ devices have an 64 byte FIFO identical to the s3c2440 + mrc p15, 0, \rd, c0, c0 + and \rd, \rd, #0xff0 + teq \rd, #0x260 + beq 10000f + mrc p15, 0, \rd, c1, c0 + tst \rd, #1 + addeq \rd, \rx, #(S3C24XX_PA_GPIO - S3C24XX_PA_UART) + addne \rd, \rx, #(S3C24XX_VA_GPIO - S3C24XX_VA_UART) + bic \rd, \rd, #0xff000 + ldr \rd, [ \rd, # S3C2410_GSTATUS1 - S3C2410_GPIOREG(0) ] + and \rd, \rd, #0x00ff0000 + teq \rd, #0x00440000 @ is it 2440? + +10000: + ldr \rd, [ \rx, # S3C2410_UFSTAT ] + andne \rd, \rd, #S3C2410_UFSTAT_TXMASK + andeq \rd, \rd, #S3C2440_UFSTAT_TXMASK + .endm + + .macro fifo_level_s3c2410 rd, rx + ldr \rd, [ \rx, # S3C2410_UFSTAT ] + and \rd, \rd, #S3C2410_UFSTAT_TXMASK + .endm + +/* Select the correct implementation depending on the configuration. The + * S3C2440 will get selected by default, as these are the most widely + * used variants of these +*/ + +#if defined(CONFIG_CPU_LLSERIAL_S3C2410_ONLY) +#define fifo_full fifo_full_s3c2410 +#define fifo_level fifo_level_s3c2410 +#elif !defined(CONFIG_CPU_LLSERIAL_S3C2440_ONLY) +#define fifo_full fifo_full_s3c24xx +#define fifo_level fifo_level_s3c24xx +#endif + +/* include the reset of the code which will do the work */ + +#include <plat/debug-macro.S> diff --git a/arch/arm/mach-s3c24xx/include/mach/dma.h b/arch/arm/mach-s3c24xx/include/mach/dma.h new file mode 100644 index 000000000000..acbdfecd4186 --- /dev/null +++ b/arch/arm/mach-s3c24xx/include/mach/dma.h @@ -0,0 +1,210 @@ +/* arch/arm/mach-s3c2410/include/mach/dma.h + * + * Copyright (C) 2003-2006 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * Samsung S3C24XX DMA support + * + * 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. +*/ + +#ifndef __ASM_ARCH_DMA_H +#define __ASM_ARCH_DMA_H __FILE__ + +#include <linux/device.h> + +#define MAX_DMA_TRANSFER_SIZE 0x100000 /* Data Unit is half word */ + +/* We use `virtual` dma channels to hide the fact we have only a limited + * number of DMA channels, and not of all of them (dependent on the device) + * can be attached to any DMA source. We therefore let the DMA core handle + * the allocation of hardware channels to clients. +*/ + +enum dma_ch { + DMACH_XD0, + DMACH_XD1, + DMACH_SDI, + DMACH_SPI0, + DMACH_SPI1, + DMACH_UART0, + DMACH_UART1, + DMACH_UART2, + DMACH_TIMER, + DMACH_I2S_IN, + DMACH_I2S_OUT, + DMACH_PCM_IN, + DMACH_PCM_OUT, + DMACH_MIC_IN, + DMACH_USB_EP1, + DMACH_USB_EP2, + DMACH_USB_EP3, + DMACH_USB_EP4, + DMACH_UART0_SRC2, /* s3c2412 second uart sources */ + DMACH_UART1_SRC2, + DMACH_UART2_SRC2, + DMACH_UART3, /* s3c2443 has extra uart */ + DMACH_UART3_SRC2, + DMACH_MAX, /* the end entry */ +}; + +static inline bool samsung_dma_has_circular(void) +{ + return false; +} + +static inline bool samsung_dma_is_dmadev(void) +{ + return false; +} + +#include <plat/dma.h> + +#define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */ + +/* we have 4 dma channels */ +#if !defined(CONFIG_CPU_S3C2443) && !defined(CONFIG_CPU_S3C2416) +#define S3C_DMA_CHANNELS (4) +#else +#define S3C_DMA_CHANNELS (6) +#endif + +/* types */ + +enum s3c2410_dma_state { + S3C2410_DMA_IDLE, + S3C2410_DMA_RUNNING, + S3C2410_DMA_PAUSED +}; + +/* enum s3c2410_dma_loadst + * + * This represents the state of the DMA engine, wrt to the loaded / running + * transfers. Since we don't have any way of knowing exactly the state of + * the DMA transfers, we need to know the state to make decisions on wether + * we can + * + * S3C2410_DMA_NONE + * + * There are no buffers loaded (the channel should be inactive) + * + * S3C2410_DMA_1LOADED + * + * There is one buffer loaded, however it has not been confirmed to be + * loaded by the DMA engine. This may be because the channel is not + * yet running, or the DMA driver decided that it was too costly to + * sit and wait for it to happen. + * + * S3C2410_DMA_1RUNNING + * + * The buffer has been confirmed running, and not finisged + * + * S3C2410_DMA_1LOADED_1RUNNING + * + * There is a buffer waiting to be loaded by the DMA engine, and one + * currently running. +*/ + +enum s3c2410_dma_loadst { + S3C2410_DMALOAD_NONE, + S3C2410_DMALOAD_1LOADED, + S3C2410_DMALOAD_1RUNNING, + S3C2410_DMALOAD_1LOADED_1RUNNING, +}; + + +/* flags */ + +#define S3C2410_DMAF_SLOW (1<<0) /* slow, so don't worry about + * waiting for reloads */ +#define S3C2410_DMAF_AUTOSTART (1<<1) /* auto-start if buffer queued */ + +#define S3C2410_DMAF_CIRCULAR (1 << 2) /* no circular dma support */ + +/* dma buffer */ + +struct s3c2410_dma_buf; + +/* s3c2410_dma_buf + * + * internally used buffer structure to describe a queued or running + * buffer. +*/ + +struct s3c2410_dma_buf { + struct s3c2410_dma_buf *next; + int magic; /* magic */ + int size; /* buffer size in bytes */ + dma_addr_t data; /* start of DMA data */ + dma_addr_t ptr; /* where the DMA got to [1] */ + void *id; /* client's id */ +}; + +/* [1] is this updated for both recv/send modes? */ + +struct s3c2410_dma_stats { + unsigned long loads; + unsigned long timeout_longest; + unsigned long timeout_shortest; + unsigned long timeout_avg; + unsigned long timeout_failed; +}; + +struct s3c2410_dma_map; + +/* struct s3c2410_dma_chan + * + * full state information for each DMA channel +*/ + +struct s3c2410_dma_chan { + /* channel state flags and information */ + unsigned char number; /* number of this dma channel */ + unsigned char in_use; /* channel allocated */ + unsigned char irq_claimed; /* irq claimed for channel */ + unsigned char irq_enabled; /* irq enabled for channel */ + unsigned char xfer_unit; /* size of an transfer */ + + /* channel state */ + + enum s3c2410_dma_state state; + enum s3c2410_dma_loadst load_state; + struct s3c2410_dma_client *client; + + /* channel configuration */ + enum dma_data_direction source; + enum dma_ch req_ch; + unsigned long dev_addr; + unsigned long load_timeout; + unsigned int flags; /* channel flags */ + + struct s3c24xx_dma_map *map; /* channel hw maps */ + + /* channel's hardware position and configuration */ + void __iomem *regs; /* channels registers */ + void __iomem *addr_reg; /* data address register */ + unsigned int irq; /* channel irq */ + unsigned long dcon; /* default value of DCON */ + + /* driver handles */ + s3c2410_dma_cbfn_t callback_fn; /* buffer done callback */ + s3c2410_dma_opfn_t op_fn; /* channel op callback */ + + /* stats gathering */ + struct s3c2410_dma_stats *stats; + struct s3c2410_dma_stats stats_store; + + /* buffer list and information */ + struct s3c2410_dma_buf *curr; /* current dma buffer */ + struct s3c2410_dma_buf *next; /* next buffer to load */ + struct s3c2410_dma_buf *end; /* end of queue */ + + /* system device */ + struct device dev; +}; + +typedef unsigned long dma_device_t; + +#endif /* __ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-s3c24xx/include/mach/entry-macro.S b/arch/arm/mach-s3c24xx/include/mach/entry-macro.S new file mode 100644 index 000000000000..7615a14773fa --- /dev/null +++ b/ |