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-rw-r--r--include/asm-arm/arch-lh7a40x/clocks.h20
-rw-r--r--include/asm-arm/arch-lh7a40x/constants.h8
-rw-r--r--include/asm-arm/arch-lh7a40x/dma.h79
-rw-r--r--include/asm-arm/arch-lh7a40x/entry-macro.S70
-rw-r--r--include/asm-arm/arch-lh7a40x/hardware.h4
-rw-r--r--include/asm-arm/arch-lh7a40x/irqs.h7
-rw-r--r--include/asm-arm/arch-lh7a40x/registers.h64
-rw-r--r--include/asm-arm/arch-lh7a40x/ssp.h71
-rw-r--r--include/asm-arm/arch-lh7a40x/uncompress.h2
9 files changed, 300 insertions, 25 deletions
diff --git a/include/asm-arm/arch-lh7a40x/clocks.h b/include/asm-arm/arch-lh7a40x/clocks.h
new file mode 100644
index 00000000000..bee02fd8dab
--- /dev/null
+++ b/include/asm-arm/arch-lh7a40x/clocks.h
@@ -0,0 +1,20 @@
+/* include/asm-arm/arch-lh7a40x/clocks.h
+ *
+ * Copyright (C) 2004 Marc Singer
+ *
+ * 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 <linux/config.h>
+
+#ifndef __ASM_ARCH_CLOCKS_H
+#define __ASM_ARCH_CLOCKS_H
+
+unsigned int fclkfreq_get (void);
+unsigned int hclkfreq_get (void);
+unsigned int pclkfreq_get (void);
+
+#endif /* _ASM_ARCH_CLOCKS_H */
diff --git a/include/asm-arm/arch-lh7a40x/constants.h b/include/asm-arm/arch-lh7a40x/constants.h
index 52c1cb9c39c..2929e891ee0 100644
--- a/include/asm-arm/arch-lh7a40x/constants.h
+++ b/include/asm-arm/arch-lh7a40x/constants.h
@@ -29,8 +29,7 @@
#if defined (CONFIG_MACH_LPD7A400) || defined (CONFIG_MACH_LPD7A404)
-# define IOBARRIER_PHYS 0xc0000000 /* Start of SDRAM */
-/*# define IOBARRIER_PHYS 0x00000000 */ /* Start of flash */
+# define IOBARRIER_PHYS 0x10000000 /* Second bank, fastest timing */
# define IOBARRIER_VIRT 0xf0000000
# define IOBARRIER_SIZE PAGE_SIZE
@@ -53,6 +52,9 @@
# define CPLD08_PHYS CPLDX_PHYS (0x08)
# define CPLD08_VIRT CPLDX_VIRT (0x08)
# define CPLD08_SIZE PAGE_SIZE
+# define CPLD0A_PHYS CPLDX_PHYS (0x0a)
+# define CPLD0A_VIRT CPLDX_VIRT (0x0a)
+# define CPLD0A_SIZE PAGE_SIZE
# define CPLD0C_PHYS CPLDX_PHYS (0x0c)
# define CPLD0C_VIRT CPLDX_VIRT (0x0c)
# define CPLD0C_SIZE PAGE_SIZE
@@ -84,5 +86,7 @@
#define XTAL_IN 14745600 /* 14.7456 MHz crystal */
#define PLL_CLOCK (XTAL_IN * 21) /* 309 MHz PLL clock */
#define MAX_HCLK_KHZ 100000 /* HCLK max limit ~100MHz */
+#define HCLK (99993600)
+//#define HCLK (119808000)
#endif /* __ASM_ARCH_CONSTANTS_H */
diff --git a/include/asm-arm/arch-lh7a40x/dma.h b/include/asm-arm/arch-lh7a40x/dma.h
index 15492e3253f..a8cbd14bbf9 100644
--- a/include/asm-arm/arch-lh7a40x/dma.h
+++ b/include/asm-arm/arch-lh7a40x/dma.h
@@ -1,9 +1,86 @@
/* include/asm-arm/arch-lh7a40x/dma.h
*
- * Copyright (C) 2003 Coastal Environmental Systems
+ * Copyright (C) 2005 Marc Singer
*
* 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.
*
*/
+
+typedef enum {
+ DMA_M2M0 = 0,
+ DMA_M2M1 = 1,
+ DMA_M2P0 = 2, /* Tx */
+ DMA_M2P1 = 3, /* Rx */
+ DMA_M2P2 = 4, /* Tx */
+ DMA_M2P3 = 5, /* Rx */
+ DMA_M2P4 = 6, /* Tx - AC97 */
+ DMA_M2P5 = 7, /* Rx - AC97 */
+ DMA_M2P6 = 8, /* Tx */
+ DMA_M2P7 = 9, /* Rx */
+} dma_device_t;
+
+#define DMA_LENGTH_MAX ((64*1024) - 4) /* bytes */
+
+#define DMAC_GCA __REG(DMAC_PHYS + 0x2b80)
+#define DMAC_GIR __REG(DMAC_PHYS + 0x2bc0)
+
+#define DMAC_GIR_MMI1 (1<<11)
+#define DMAC_GIR_MMI0 (1<<10)
+#define DMAC_GIR_MPI8 (1<<9)
+#define DMAC_GIR_MPI9 (1<<8)
+#define DMAC_GIR_MPI6 (1<<7)
+#define DMAC_GIR_MPI7 (1<<6)
+#define DMAC_GIR_MPI4 (1<<5)
+#define DMAC_GIR_MPI5 (1<<4)
+#define DMAC_GIR_MPI2 (1<<3)
+#define DMAC_GIR_MPI3 (1<<2)
+#define DMAC_GIR_MPI0 (1<<1)
+#define DMAC_GIR_MPI1 (1<<0)
+
+#define DMAC_M2P0 0x0000
+#define DMAC_M2P1 0x0040
+#define DMAC_M2P2 0x0080
+#define DMAC_M2P3 0x00c0
+#define DMAC_M2P4 0x0240
+#define DMAC_M2P5 0x0200
+#define DMAC_M2P6 0x02c0
+#define DMAC_M2P7 0x0280
+#define DMAC_M2P8 0x0340
+#define DMAC_M2P9 0x0300
+#define DMAC_M2M0 0x0100
+#define DMAC_M2M1 0x0140
+
+#define DMAC_P_PCONTROL(c) __REG(DMAC_PHYS + (c) + 0x00)
+#define DMAC_P_PINTERRUPT(c) __REG(DMAC_PHYS + (c) + 0x04)
+#define DMAC_P_PPALLOC(c) __REG(DMAC_PHYS + (c) + 0x08)
+#define DMAC_P_PSTATUS(c) __REG(DMAC_PHYS + (c) + 0x0c)
+#define DMAC_P_REMAIN(c) __REG(DMAC_PHYS + (c) + 0x14)
+#define DMAC_P_MAXCNT0(c) __REG(DMAC_PHYS + (c) + 0x20)
+#define DMAC_P_BASE0(c) __REG(DMAC_PHYS + (c) + 0x24)
+#define DMAC_P_CURRENT0(c) __REG(DMAC_PHYS + (c) + 0x28)
+#define DMAC_P_MAXCNT1(c) __REG(DMAC_PHYS + (c) + 0x30)
+#define DMAC_P_BASE1(c) __REG(DMAC_PHYS + (c) + 0x34)
+#define DMAC_P_CURRENT1(c) __REG(DMAC_PHYS + (c) + 0x38)
+
+#define DMAC_PCONTROL_ENABLE (1<<4)
+
+#define DMAC_PORT_USB 0
+#define DMAC_PORT_SDMMC 1
+#define DMAC_PORT_AC97_1 2
+#define DMAC_PORT_AC97_2 3
+#define DMAC_PORT_AC97_3 4
+#define DMAC_PORT_UART1 6
+#define DMAC_PORT_UART2 7
+#define DMAC_PORT_UART3 8
+
+#define DMAC_PSTATUS_CURRSTATE_SHIFT 4
+#define DMAC_PSTATUS_CURRSTATE_MASK 0x3
+
+#define DMAC_PSTATUS_NEXTBUF (1<<6)
+#define DMAC_PSTATUS_STALLRINT (1<<0)
+
+#define DMAC_INT_CHE (1<<3)
+#define DMAC_INT_NFB (1<<1)
+#define DMAC_INT_STALL (1<<0)
diff --git a/include/asm-arm/arch-lh7a40x/entry-macro.S b/include/asm-arm/arch-lh7a40x/entry-macro.S
index a2f67c06d9c..9fc7f498812 100644
--- a/include/asm-arm/arch-lh7a40x/entry-macro.S
+++ b/include/asm-arm/arch-lh7a40x/entry-macro.S
@@ -10,11 +10,73 @@
#include <asm/hardware.h>
#include <asm/arch/irqs.h>
-# if defined (CONFIG_ARCH_LH7A400) && defined (CONFIG_ARCH_LH7A404)
-# error "LH7A400 and LH7A404 are mutually exclusive"
-# endif
+/* In order to allow there to be support for both of the processor
+ classes at the same time, we make a hack here that isn't very
+ pretty. At startup, the link pointed to with the
+ branch_irq_lh7a400 symbol is replaced with a NOP when the CPU is
+ detected as a lh7a404.
-# if defined (CONFIG_ARCH_LH7A400)
+ *** FIXME: we should clean this up so that there is only one
+ implementation for each CPU's design.
+
+*/
+
+#if defined (CONFIG_ARCH_LH7A400) && defined (CONFIG_ARCH_LH7A404)
+
+ .macro disable_fiq
+ .endm
+
+ .macro get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+branch_irq_lh7a400: b 1000f
+
+@ Implementation of the LH7A404 get_irqnr_and_base.
+
+ mov \irqnr, #0 @ VIC1 irq base
+ mov \base, #io_p2v(0x80000000) @ APB registers
+ add \base, \base, #0x8000
+ ldr \tmp, [\base, #0x0030] @ VIC1_VECTADDR
+ tst \tmp, #VA_VECTORED @ Direct vectored
+ bne 1002f
+ tst \tmp, #VA_VIC1DEFAULT @ Default vectored VIC1
+ ldrne \irqstat, [\base, #0] @ VIC1_IRQSTATUS
+ bne 1001f
+ add \base, \base, #(0xa000 - 0x8000)
+ ldr \tmp, [\base, #0x0030] @ VIC2_VECTADDR
+ tst \tmp, #VA_VECTORED @ Direct vectored
+ bne 1002f
+ ldr \irqstat, [\base, #0] @ VIC2_IRQSTATUS
+ mov \irqnr, #32 @ VIC2 irq base
+
+1001: movs \irqstat, \irqstat, lsr #1 @ Shift into carry
+ bcs 1008f @ Bit set; irq found
+ add \irqnr, \irqnr, #1
+ bne 1001b @ Until no bits
+ b 1009f @ Nothing? Hmm.
+1002: and \irqnr, \tmp, #0x3f @ Mask for valid bits
+1008: movs \irqstat, #1 @ Force !Z
+ str \tmp, [\base, #0x0030] @ Clear vector
+ b 1009f
+
+@ Implementation of the LH7A400 get_irqnr_and_base.
+
+1000: mov \irqnr, #0
+ mov \base, #io_p2v(0x80000000) @ APB registers
+ ldr \irqstat, [\base, #0x500] @ PIC INTSR
+
+1001: movs \irqstat, \irqstat, lsr #1 @ Shift into carry
+ bcs 1008f @ Bit set; irq found
+ add \irqnr, \irqnr, #1
+ bne 1001b @ Until no bits
+ b 1009f @ Nothing? Hmm.
+1008: movs \irqstat, #1 @ Force !Z
+
+1009:
+ .endm
+
+
+
+#elif defined (CONFIG_ARCH_LH7A400)
.macro disable_fiq
.endm
diff --git a/include/asm-arm/arch-lh7a40x/hardware.h b/include/asm-arm/arch-lh7a40x/hardware.h
index aeb07c162e2..e9ff74fd793 100644
--- a/include/asm-arm/arch-lh7a40x/hardware.h
+++ b/include/asm-arm/arch-lh7a40x/hardware.h
@@ -13,6 +13,8 @@
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
+#include <asm/sizes.h> /* Added for the sake of amba-clcd driver */
+
#define io_p2v(x) (0xf0000000 | (((x) & 0xfff00000) >> 4) | ((x) & 0x0000ffff))
#define io_v2p(x) ( (((x) & 0x0fff0000) << 4) | ((x) & 0x0000ffff))
@@ -53,6 +55,8 @@ typedef struct { volatile u8 offset[4096]; } __regbase8;
#endif
+#define MASK_AND_SET(v,m,s) (v) = ((v)&~(m))|(s)
+
#include "registers.h"
#endif /* _ASM_ARCH_HARDWARE_H */
diff --git a/include/asm-arm/arch-lh7a40x/irqs.h b/include/asm-arm/arch-lh7a40x/irqs.h
index f91f3e59f3a..7e8a217200e 100644
--- a/include/asm-arm/arch-lh7a40x/irqs.h
+++ b/include/asm-arm/arch-lh7a40x/irqs.h
@@ -154,9 +154,10 @@
#if !defined (IRQ_GPIO0INTR)
# define IRQ_GPIO0INTR IRQ_GPIO0FIQ
#endif
-#define IRQ_TICK IRQ_TINTR
+#define IRQ_TICK IRQ_TINTR
#define IRQ_PCC1_RDY IRQ_GPIO6INTR /* PCCard 1 ready */
#define IRQ_PCC2_RDY IRQ_GPIO7INTR /* PCCard 2 ready */
+#define IRQ_USB IRQ_USBINTR /* USB device */
#ifdef CONFIG_MACH_KEV7A400
# define IRQ_TS IRQ_GPIOFIQ /* Touchscreen */
@@ -191,6 +192,10 @@
# define IRQ_LPD7A400_TS IRQ_LPD7A40X_CPLD + 1 /* Touch screen */
#endif
+#if defined (CONFIG_MACH_LPD7A400)
+# define IRQ_TOUCH IRQ_LPD7A400_TS
+#endif
+
#define NR_IRQS (NR_IRQ_CPU + NR_IRQ_BOARD)
#endif
diff --git a/include/asm-arm/arch-lh7a40x/registers.h b/include/asm-arm/arch-lh7a40x/registers.h
index 2edb22e3545..544307bb87a 100644
--- a/include/asm-arm/arch-lh7a40x/registers.h
+++ b/include/asm-arm/arch-lh7a40x/registers.h
@@ -18,7 +18,7 @@
/* Physical register base addresses */
-#define AC97_PHYS (0x80000000) /* AC97 Controller */
+#define AC97C_PHYS (0x80000000) /* AC97 Controller */
#define MMC_PHYS (0x80000100) /* Multimedia Card Controller */
#define USB_PHYS (0x80000200) /* USB Client */
#define SCI_PHYS (0x80000300) /* Secure Card Interface */
@@ -35,6 +35,8 @@
#define RTC_PHYS (0x80000d00) /* Real-time Clock */
#define GPIO_PHYS (0x80000e00) /* General Purpose IO */
#define BMI_PHYS (0x80000f00) /* Battery Monitor Interface */
+#define HRTFTC_PHYS (0x80001000) /* High-res TFT Controller (LH7A400) */
+#define ALI_PHYS (0x80001000) /* Advanced LCD Interface (LH7A404) */
#define WDT_PHYS (0x80001400) /* Watchdog Timer */
#define SMC_PHYS (0x80002000) /* Static Memory Controller */
#define SDRC_PHYS (0x80002400) /* SDRAM Controller */
@@ -43,6 +45,7 @@
/* Physical registers of the LH7A404 */
+#define ADC_PHYS (0x80001300) /* A/D & Touchscreen Controller */
#define VIC1_PHYS (0x80008000) /* Vectored Interrupt Controller 1 */
#define USBH_PHYS (0x80009000) /* USB OHCI host controller */
#define VIC2_PHYS (0x8000a000) /* Vectored Interrupt Controller 2 */
@@ -53,10 +56,32 @@
/* Clock/State Controller register */
+#define CSC_PWRSR __REG(CSC_PHYS + 0x00) /* Reset register & ID */
#define CSC_PWRCNT __REG(CSC_PHYS + 0x04) /* Power control */
+#define CSC_CLKSET __REG(CSC_PHYS + 0x20) /* Clock speed control */
+#define CSC_USBDRESET __REG(CSC_PHYS + 0x4c) /* USB Device resets */
#define CSC_PWRCNT_USBH_EN (1<<28) /* USB Host power enable */
-
+#define CSC_PWRCNT_DMAC_M2M1_EN (1<<27)
+#define CSC_PWRCNT_DMAC_M2M0_EN (1<<26)
+#define CSC_PWRCNT_DMAC_M2P8_EN (1<<25)
+#define CSC_PWRCNT_DMAC_M2P9_EN (1<<24)
+#define CSC_PWRCNT_DMAC_M2P6_EN (1<<23)
+#define CSC_PWRCNT_DMAC_M2P7_EN (1<<22)
+#define CSC_PWRCNT_DMAC_M2P4_EN (1<<21)
+#define CSC_PWRCNT_DMAC_M2P5_EN (1<<20)
+#define CSC_PWRCNT_DMAC_M2P2_EN (1<<19)
+#define CSC_PWRCNT_DMAC_M2P3_EN (1<<18)
+#define CSC_PWRCNT_DMAC_M2P0_EN (1<<17)
+#define CSC_PWRCNT_DMAC_M2P1_EN (1<<16)
+
+#define CSC_PWRSR_CHIPMAN_SHIFT (24)
+#define CSC_PWRSR_CHIPMAN_MASK (0xff)
+#define CSC_PWRSR_CHIPID_SHIFT (16)
+#define CSC_PWRSR_CHIPID_MASK (0xff)
+
+#define CSC_USBDRESET_APBRESETREG (1<<1)
+#define CSC_USBDRESET_IORESETREG (1<<0)
/* Interrupt Controller registers */
@@ -109,6 +134,13 @@
#define GPIO_GPIOFEOI __REG(GPIO_PHYS + 0x54) /* GPIO End-of-Interrupt */
#define GPIO_GPIOINTEN __REG(GPIO_PHYS + 0x58) /* GPIO Interrupt Enable */
#define GPIO_INTSTATUS __REG(GPIO_PHYS + 0x5c) /* GPIO Interrupt Status */
+#define GPIO_PINMUX __REG(GPIO_PHYS + 0x2c)
+#define GPIO_PADD __REG(GPIO_PHYS + 0x10)
+#define GPIO_PAD __REG(GPIO_PHYS + 0x00)
+#define GPIO_PCD __REG(GPIO_PHYS + 0x08)
+#define GPIO_PCDD __REG(GPIO_PHYS + 0x18)
+#define GPIO_PEDD __REG(GPIO_PHYS + 0x24)
+#define GPIO_PED __REG(GPIO_PHYS + 0x20)
/* Static Memory Controller registers */
@@ -138,20 +170,21 @@
#endif
#if defined (CONFIG_MACH_LPD7A400) || defined (CONFIG_MACH_LPD7A404)
-# define CPLD_CONTROL __REG8(CPLD02_PHYS)
-# define CPLD_SPI_DATA __REG8(CPLD06_PHYS)
-# define CPLD_SPI_CONTROL __REG8(CPLD08_PHYS)
-# define CPLD_SPI_EEPROM __REG8(CPLD0A_PHYS)
-# define CPLD_INTERRUPTS __REG8(CPLD0C_PHYS) /* IRQ mask/status */
-# define CPLD_BOOT_MODE __REG8(CPLD0E_PHYS)
-# define CPLD_FLASH __REG8(CPLD10_PHYS)
-# define CPLD_POWER_MGMT __REG8(CPLD12_PHYS)
-# define CPLD_REVISION __REG8(CPLD14_PHYS)
-# define CPLD_GPIO_EXT __REG8(CPLD16_PHYS)
-# define CPLD_GPIO_DATA __REG8(CPLD18_PHYS)
-# define CPLD_GPIO_DIR __REG8(CPLD1A_PHYS)
-#endif
+# define CPLD_CONTROL __REG16(CPLD02_PHYS)
+# define CPLD_SPI_DATA __REG16(CPLD06_PHYS)
+# define CPLD_SPI_CONTROL __REG16(CPLD08_PHYS)
+# define CPLD_SPI_EEPROM __REG16(CPLD0A_PHYS)
+# define CPLD_INTERRUPTS __REG16(CPLD0C_PHYS) /* IRQ mask/status */
+# define CPLD_BOOT_MODE __REG16(CPLD0E_PHYS)
+# define CPLD_FLASH __REG16(CPLD10_PHYS)
+# define CPLD_POWER_MGMT __REG16(CPLD12_PHYS)
+# define CPLD_REVISION __REG16(CPLD14_PHYS)
+# define CPLD_GPIO_EXT __REG16(CPLD16_PHYS)
+# define CPLD_GPIO_DATA __REG16(CPLD18_PHYS)
+# define CPLD_GPIO_DIR __REG16(CPLD1A_PHYS)
+
+#endif
/* Timer registers */
@@ -190,4 +223,3 @@
#endif /* _ASM_ARCH_REGISTERS_H */
-
diff --git a/include/asm-arm/arch-lh7a40x/ssp.h b/include/asm-arm/arch-lh7a40x/ssp.h
new file mode 100644
index 00000000000..132b1c4d5ce
--- /dev/null
+++ b/include/asm-arm/arch-lh7a40x/ssp.h
@@ -0,0 +1,71 @@
+/* ssp.h
+ $Id$
+
+ written by Marc Singer
+ 6 Dec 2004
+
+ Copyright (C) 2004 Marc Singer
+
+ -----------
+ DESCRIPTION
+ -----------
+
+ This SSP header is available throughout the kernel, for this
+ machine/architecture, because drivers that use it may be dispersed.
+
+ This file was cloned from the 7952x implementation. It would be
+ better to share them, but we're taking an easier approach for the
+ time being.
+
+*/
+
+#if !defined (__SSP_H__)
+# define __SSP_H__
+
+/* ----- Includes */
+
+/* ----- Types */
+
+struct ssp_driver {
+ int (*init) (void);
+ void (*exit) (void);
+ void (*acquire) (void);
+ void (*release) (void);
+ int (*configure) (int device, int mode, int speed,
+ int frame_size_write, int frame_size_read);
+ void (*chip_select) (int enable);
+ void (*set_callbacks) (void* handle,
+ irqreturn_t (*callback_tx)(void*),
+ irqreturn_t (*callback_rx)(void*));
+ void (*enable) (void);
+ void (*disable) (void);
+// int (*save_state) (void*);
+// void (*restore_state) (void*);
+ int (*read) (void);
+ int (*write) (u16 data);
+ int (*write_read) (u16 data);
+ void (*flush) (void);
+ void (*write_async) (void* pv, size_t cb);
+ size_t (*write_pos) (void);
+};
+
+ /* These modes are only available on the LH79524 */
+#define SSP_MODE_SPI (1)
+#define SSP_MODE_SSI (2)
+#define SSP_MODE_MICROWIRE (3)
+#define SSP_MODE_I2S (4)
+
+ /* CPLD SPI devices */
+#define DEVICE_EEPROM 0 /* Configuration eeprom */
+#define DEVICE_MAC 1 /* MAC eeprom (LPD79524) */
+#define DEVICE_CODEC 2 /* Audio codec */
+#define DEVICE_TOUCH 3 /* Touch screen (LPD79520) */
+
+/* ----- Globals */
+
+/* ----- Prototypes */
+
+//extern struct ssp_driver lh79520_i2s_driver;
+extern struct ssp_driver lh7a400_cpld_ssp_driver;
+
+#endif /* __SSP_H__ */
diff --git a/include/asm-arm/arch-lh7a40x/uncompress.h b/include/asm-arm/arch-lh7a40x/uncompress.h
index f8053346f60..3d1ce0426a3 100644
--- a/include/asm-arm/arch-lh7a40x/uncompress.h
+++ b/include/asm-arm/arch-lh7a40x/uncompress.h
@@ -16,7 +16,7 @@
#ifndef UART_R_STATUS
# define UART_R_STATUS (0x10)
#endif
-#define nTxRdy (0x20) /* Not TxReady (literally Tx FIFO full) */
+#define nTxRdy (0x20) /* Not TxReady (literally Tx FIFO full) */
/* Access UART with physical addresses before MMU is setup */
#define UART_STATUS (*(volatile unsigned long*) (UART2_PHYS + UART_R_STATUS))