]> git.dujemihanovic.xyz Git - u-boot.git/commitdiff
arm: Remove spear320 boards
authorTom Rini <trini@konsulko.com>
Sat, 22 May 2021 12:47:13 +0000 (08:47 -0400)
committerTom Rini <trini@konsulko.com>
Thu, 8 Jul 2021 02:22:42 +0000 (22:22 -0400)
These boards have not been converted to CONFIG_DM_USB by the deadline
and is also missing conversion to CONFIG_DM.  Remove them.  As this is
also the last SPEAR3XX platform, remove that symbol as well.

Cc: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
18 files changed:
arch/arm/Kconfig
arch/arm/cpu/arm926ejs/spear/cpu.c
arch/arm/cpu/arm926ejs/spear/spl.c
arch/arm/cpu/arm926ejs/spear/timer.c
arch/arm/include/asm/arch-spear/hardware.h
arch/arm/include/asm/arch-spear/spr_misc.h
board/spear/spear320/Kconfig [deleted file]
board/spear/spear320/MAINTAINERS [deleted file]
board/spear/spear320/Makefile [deleted file]
board/spear/spear320/spear320.c [deleted file]
configs/spear320_defconfig [deleted file]
configs/spear320_nand_defconfig [deleted file]
configs/spear320_pnor_defconfig [deleted file]
configs/spear320_usbtty_defconfig [deleted file]
configs/spear320_usbtty_nand_defconfig [deleted file]
configs/spear320_usbtty_pnor_defconfig [deleted file]
drivers/i2c/Kconfig
include/configs/spear-common.h

index 6f860acb7c1af54566164a866d0a436f60a6c8f2..512b2c73abf587624c6aeefe2b0b7cc87ddf9d69 100644 (file)
@@ -566,14 +566,6 @@ config ARCH_ORION5X
        select CPU_ARM926EJS
        select GPIO_EXTRA_HEADER
 
-config TARGET_SPEAR320
-       bool "Support spear320"
-       select BOARD_EARLY_INIT_F
-       select CPU_ARM926EJS
-       select GPIO_EXTRA_HEADER
-       select PL011_SERIAL
-       imply CMD_SAVES
-
 config TARGET_SPEAR600
        bool "Support spear600"
        select BOARD_EARLY_INIT_F
@@ -2106,7 +2098,6 @@ source "board/kontron/sl28/Kconfig"
 source "board/myir/mys_6ulx/Kconfig"
 source "board/seeed/npi_imx6ull/Kconfig"
 source "board/socionext/developerbox/Kconfig"
-source "board/spear/spear320/Kconfig"
 source "board/spear/spear600/Kconfig"
 source "board/spear/x600/Kconfig"
 source "board/st/stv0991/Kconfig"
index d05878edf8978f23ffaf3d2e4bdf0752143a7786..2e0dd9ec33fd996a6c11982e1595dbf84d782d3f 100644 (file)
@@ -19,9 +19,7 @@ int arch_cpu_init(void)
 
        periph1_clken = readl(&misc_p->periph1_clken);
 
-#if defined(CONFIG_SPEAR3XX)
-       periph1_clken |= MISC_GPT2ENB;
-#elif defined(CONFIG_SPEAR600)
+#if defined(CONFIG_SPEAR600)
        periph1_clken |= MISC_GPT3ENB;
 #endif
 
@@ -66,9 +64,7 @@ int arch_cpu_init(void)
 #ifdef CONFIG_DISPLAY_CPUINFO
 int print_cpuinfo(void)
 {
-#if defined(CONFIG_SPEAR320)
-       printf("CPU:   SPEAr320\n");
-#elif defined(CONFIG_SPEAR600)
+#if defined(CONFIG_SPEAR600)
        printf("CPU:   SPEAr600\n");
 #else
 #error CPU not supported in spear platform
index 5b5b79be8c3b12d63c17c873d44b26645f1e8f54..693cee1ab38329b8af2fd72b893c34c4ca358889 100644 (file)
@@ -205,8 +205,6 @@ int get_socrev(void)
                return SOC_SPEAR600_BA;
        else
                return SOC_SPEAR_NA;
-#if defined(CONFIG_SPEAR320)
-       return SOC_SPEAR320;
 #endif
 }
 
index b42baa71506fa0b6ad9ad4c73f55215b3bcb2641..d5f6cccaae432baa64e7d8f0aaf1f490aabced4e 100644 (file)
@@ -36,10 +36,7 @@ int timer_init(void)
        u32 synth;
 
        /* Prescaler setting */
-#if defined(CONFIG_SPEAR3XX)
-       writel(MISC_PRSC_CFG, &misc_regs_p->prsc2_clk_cfg);
-       synth = MISC_GPT4SYNTH;
-#elif defined(CONFIG_SPEAR600)
+#if defined(CONFIG_SPEAR600)
        writel(MISC_PRSC_CFG, &misc_regs_p->prsc1_clk_cfg);
        synth = MISC_GPT3SYNTH;
 #else
index b0bf1af1705455c63b46c1ff01b1bfd9265715b9..69b97a03e8f84aa371258a24dcc60ed0e25ee29f 100644 (file)
 
 #define CONFIG_SPEAR_MPMCREGS                  100
 
-#elif defined(CONFIG_SPEAR320)
-#define CONFIG_SYS_FSMC_BASE                   0x4C000000
-
-#define CONFIG_SPEAR_EMIBASE                   0x40000000
-#define CONFIG_SPEAR_RASBASE                   0xB3000000
-
-#define CONFIG_SYS_MACB0_BASE                  0xAA000000
-
 #endif
 #endif /* _ASM_ARCH_HARDWARE_H */
index 0171119351932623d8fee6f7905e326e8b5483e4..c1a30e24db9e7b156ce489aeb4d8eb732b569a18 100644 (file)
@@ -88,10 +88,7 @@ struct misc_regs {
 #define SYNTH23                        0x00020003
 
 /* PLLx_FRQ value */
-#if defined(CONFIG_SPEAR3XX)
-#define FREQ_332               0xA600010C
-#define FREQ_266               0x8500010C
-#elif defined(CONFIG_SPEAR600)
+#if defined(CONFIG_SPEAR600)
 #define FREQ_332               0xA600010F
 #define FREQ_266               0x8500010F
 #endif
diff --git a/board/spear/spear320/Kconfig b/board/spear/spear320/Kconfig
deleted file mode 100644 (file)
index df17623..0000000
+++ /dev/null
@@ -1,15 +0,0 @@
-if TARGET_SPEAR320
-
-config SYS_BOARD
-       default "spear320"
-
-config SYS_VENDOR
-       default "spear"
-
-config SYS_SOC
-       default "spear"
-
-config SYS_CONFIG_NAME
-       default "spear3xx_evb"
-
-endif
diff --git a/board/spear/spear320/MAINTAINERS b/board/spear/spear320/MAINTAINERS
deleted file mode 100644 (file)
index bf78092..0000000
+++ /dev/null
@@ -1,15 +0,0 @@
-SPEAR320 BOARD
-M:     Vipin Kumar <vipin.kumar@st.com>
-S:     Maintained
-F:     board/spear/spear320/
-F:     include/configs/spear3xx_evb.h
-F:     configs/spear320_defconfig
-
-SPEAR320_NAND BOARD
-#M:    -
-S:     Maintained
-F:     configs/spear320_nand_defconfig
-F:     configs/spear320_pnor_defconfig
-F:     configs/spear320_usbtty_defconfig
-F:     configs/spear320_usbtty_nand_defconfig
-F:     configs/spear320_usbtty_pnor_defconfig
diff --git a/board/spear/spear320/Makefile b/board/spear/spear320/Makefile
deleted file mode 100644 (file)
index 062cbc4..0000000
+++ /dev/null
@@ -1,6 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0+
-#
-# (C) Copyright 2000-2004
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-
-obj-y  := spear320.o
diff --git a/board/spear/spear320/spear320.c b/board/spear/spear320/spear320.c
deleted file mode 100644 (file)
index 291337b..0000000
+++ /dev/null
@@ -1,78 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2009
- * Ryan Chen, ST Micoelectronics, ryan.chen@st.com.
- * Vipin Kumar, ST Micoelectronics, vipin.kumar@st.com.
- */
-
-#include <common.h>
-#include <miiphy.h>
-#include <net.h>
-#include <netdev.h>
-#include <nand.h>
-#include <asm/io.h>
-#include <linux/mtd/fsmc_nand.h>
-#include <asm/mach-types.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/spr_defs.h>
-#include <asm/arch/spr_misc.h>
-
-#define PLGPIO_SEL_36  0xb3000028
-#define PLGPIO_IO_36   0xb3000038
-
-static struct nand_chip nand_chip[CONFIG_SYS_MAX_NAND_DEVICE];
-
-static void spear_phy_reset(void)
-{
-       writel(0x10, PLGPIO_IO_36);
-       writel(0x10, PLGPIO_SEL_36);
-}
-
-int board_init(void)
-{
-       spear_phy_reset();
-       return spear_board_init(MACH_TYPE_SPEAR320);
-}
-
-/*
- * board_nand_init - Board specific NAND initialization
- * @nand:      mtd private chip structure
- *
- * Called by nand_init_chip to initialize the board specific functions
- */
-
-void board_nand_init()
-{
-       struct misc_regs *const misc_regs_p =
-           (struct misc_regs *)CONFIG_SPEAR_MISCBASE;
-       struct nand_chip *nand = &nand_chip[0];
-
-#if defined(CONFIG_NAND_FSMC)
-       if (((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
-            MISC_SOCCFG30) ||
-           ((readl(&misc_regs_p->auto_cfg_reg) & MISC_SOCCFGMSK) ==
-            MISC_SOCCFG31)) {
-
-               fsmc_nand_init(nand);
-       }
-#endif
-
-       return;
-}
-
-int board_eth_init(struct bd_info *bis)
-{
-       int ret = 0;
-
-#if defined(CONFIG_ETH_DESIGNWARE)
-       u32 interface = PHY_INTERFACE_MODE_MII;
-       if (designware_initialize(CONFIG_SPEAR_ETHBASE, interface) >= 0)
-               ret++;
-#endif
-#if defined(CONFIG_MACB)
-       if (macb_eth_initialize(0, (void *)CONFIG_SYS_MACB0_BASE,
-                               CONFIG_MACB0_PHY) >= 0)
-               ret++;
-#endif
-       return ret;
-}
diff --git a/configs/spear320_defconfig b/configs/spear320_defconfig
deleted file mode 100644 (file)
index edefff6..0000000
+++ /dev/null
@@ -1,35 +0,0 @@
-CONFIG_ARM=y
-CONFIG_ARCH_CPU_INIT=y
-CONFIG_TARGET_SPEAR320=y
-CONFIG_SYS_TEXT_BASE=0x00700000
-CONFIG_NR_DRAM_BANKS=1
-CONFIG_ENV_SIZE=0x2000
-CONFIG_ENV_SECT_SIZE=0x10000
-CONFIG_IDENT_STRING="-SPEAr"
-CONFIG_SYS_EXTRA_OPTIONS="SPEAR320"
-CONFIG_BOOTDELAY=1
-CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyAMA0,115200 mem=128M root=/dev/mtdblock3 rootfstype=jffs2"
-CONFIG_SYS_CONSOLE_INFO_QUIET=y
-# CONFIG_DISPLAY_BOARDINFO is not set
-CONFIG_MISC_INIT_R=y
-# CONFIG_AUTO_COMPLETE is not set
-CONFIG_CMD_IMLS=y
-CONFIG_CMD_I2C=y
-CONFIG_CMD_NAND=y
-# CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
-CONFIG_ENV_OVERWRITE=y
-CONFIG_ENV_IS_IN_FLASH=y
-CONFIG_ENV_ADDR=0xF8040000
-CONFIG_SYS_I2C_DW=y
-# CONFIG_MMC is not set
-CONFIG_MTD=y
-CONFIG_MTD_NOR_FLASH=y
-CONFIG_MTD_RAW_NAND=y
-CONFIG_PHY_GIGE=y
-CONFIG_ETH_DESIGNWARE=y
-CONFIG_MII=y
-CONFIG_CONS_INDEX=0
diff --git a/configs/spear320_nand_defconfig b/configs/spear320_nand_defconfig
deleted file mode 100644 (file)
index 1646c4a..0000000
+++ /dev/null
@@ -1,35 +0,0 @@
-CONFIG_ARM=y
-CONFIG_ARCH_CPU_INIT=y
-CONFIG_TARGET_SPEAR320=y
-CONFIG_SYS_TEXT_BASE=0x00700000
-CONFIG_NR_DRAM_BANKS=1
-CONFIG_ENV_SIZE=0x2000
-CONFIG_ENV_OFFSET=0x60000
-CONFIG_IDENT_STRING="-SPEAr"
-CONFIG_SYS_EXTRA_OPTIONS="SPEAR320"
-CONFIG_BOOTDELAY=1
-CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyAMA0,115200 mem=128M root=/dev/mtdblock7 rootfstype=jffs2"
-CONFIG_SYS_CONSOLE_INFO_QUIET=y
-# CONFIG_DISPLAY_BOARDINFO is not set
-CONFIG_MISC_INIT_R=y
-# CONFIG_AUTO_COMPLETE is not set
-CONFIG_CMD_IMLS=y
-CONFIG_CMD_I2C=y
-CONFIG_CMD_NAND=y
-# CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
-CONFIG_ENV_OVERWRITE=y
-CONFIG_ENV_IS_IN_NAND=y
-CONFIG_SYS_RELOC_GD_ENV_ADDR=y
-CONFIG_SYS_I2C_DW=y
-# CONFIG_MMC is not set
-CONFIG_MTD=y
-CONFIG_MTD_NOR_FLASH=y
-CONFIG_MTD_RAW_NAND=y
-CONFIG_PHY_GIGE=y
-CONFIG_ETH_DESIGNWARE=y
-CONFIG_MII=y
-CONFIG_CONS_INDEX=0
diff --git a/configs/spear320_pnor_defconfig b/configs/spear320_pnor_defconfig
deleted file mode 100644 (file)
index 1c0b625..0000000
+++ /dev/null
@@ -1,38 +0,0 @@
-CONFIG_ARM=y
-CONFIG_ARCH_CPU_INIT=y
-CONFIG_TARGET_SPEAR320=y
-CONFIG_SYS_TEXT_BASE=0x00700000
-CONFIG_NR_DRAM_BANKS=1
-CONFIG_ENV_SIZE=0x2000
-CONFIG_ENV_SECT_SIZE=0x20000
-CONFIG_IDENT_STRING="-SPEAr"
-CONFIG_SYS_EXTRA_OPTIONS="SPEAR320,FLASH_PNOR"
-CONFIG_BOOTDELAY=1
-CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyAMA0,115200 mem=128M root=/dev/mtdblock3 rootfstype=jffs2"
-CONFIG_SYS_CONSOLE_INFO_QUIET=y
-# CONFIG_DISPLAY_BOARDINFO is not set
-CONFIG_MISC_INIT_R=y
-# CONFIG_AUTO_COMPLETE is not set
-CONFIG_CMD_IMLS=y
-CONFIG_CMD_I2C=y
-CONFIG_CMD_NAND=y
-# CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
-CONFIG_ENV_OVERWRITE=y
-CONFIG_ENV_IS_IN_FLASH=y
-CONFIG_ENV_ADDR=0x44060000
-CONFIG_SYS_I2C_DW=y
-# CONFIG_MMC is not set
-CONFIG_MTD=y
-CONFIG_MTD_NOR_FLASH=y
-CONFIG_FLASH_CFI_DRIVER=y
-CONFIG_SYS_FLASH_PROTECTION=y
-CONFIG_SYS_FLASH_CFI=y
-CONFIG_MTD_RAW_NAND=y
-CONFIG_PHY_GIGE=y
-CONFIG_ETH_DESIGNWARE=y
-CONFIG_MII=y
-CONFIG_CONS_INDEX=0
diff --git a/configs/spear320_usbtty_defconfig b/configs/spear320_usbtty_defconfig
deleted file mode 100644 (file)
index 62fe1fa..0000000
+++ /dev/null
@@ -1,37 +0,0 @@
-CONFIG_ARM=y
-CONFIG_ARCH_CPU_INIT=y
-CONFIG_TARGET_SPEAR320=y
-CONFIG_SYS_TEXT_BASE=0x00700000
-CONFIG_NR_DRAM_BANKS=1
-CONFIG_ENV_SIZE=0x2000
-CONFIG_ENV_SECT_SIZE=0x10000
-CONFIG_IDENT_STRING="-SPEAr"
-CONFIG_SYS_EXTRA_OPTIONS="SPEAR320,USBTTY"
-CONFIG_BOOTDELAY=-1
-CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyAMA0,115200 mem=128M root=/dev/mtdblock3 rootfstype=jffs2"
-CONFIG_SYS_CONSOLE_INFO_QUIET=y
-# CONFIG_DISPLAY_BOARDINFO is not set
-CONFIG_MISC_INIT_R=y
-# CONFIG_AUTO_COMPLETE is not set
-CONFIG_CMD_IMLS=y
-CONFIG_CMD_I2C=y
-CONFIG_CMD_NAND=y
-# CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
-CONFIG_ENV_OVERWRITE=y
-CONFIG_ENV_IS_IN_FLASH=y
-CONFIG_ENV_ADDR=0xF8040000
-CONFIG_SYS_I2C_DW=y
-# CONFIG_MMC is not set
-CONFIG_MTD=y
-CONFIG_MTD_NOR_FLASH=y
-CONFIG_MTD_RAW_NAND=y
-CONFIG_PHY_GIGE=y
-CONFIG_ETH_DESIGNWARE=y
-CONFIG_MII=y
-CONFIG_CONS_INDEX=0
-CONFIG_USB=y
-CONFIG_USB_GADGET=y
diff --git a/configs/spear320_usbtty_nand_defconfig b/configs/spear320_usbtty_nand_defconfig
deleted file mode 100644 (file)
index e9f5c2d..0000000
+++ /dev/null
@@ -1,37 +0,0 @@
-CONFIG_ARM=y
-CONFIG_ARCH_CPU_INIT=y
-CONFIG_TARGET_SPEAR320=y
-CONFIG_SYS_TEXT_BASE=0x00700000
-CONFIG_NR_DRAM_BANKS=1
-CONFIG_ENV_SIZE=0x2000
-CONFIG_ENV_OFFSET=0x60000
-CONFIG_IDENT_STRING="-SPEAr"
-CONFIG_SYS_EXTRA_OPTIONS="SPEAR320,USBTTY"
-CONFIG_BOOTDELAY=-1
-CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyAMA0,115200 mem=128M root=/dev/mtdblock7 rootfstype=jffs2"
-CONFIG_SYS_CONSOLE_INFO_QUIET=y
-# CONFIG_DISPLAY_BOARDINFO is not set
-CONFIG_MISC_INIT_R=y
-# CONFIG_AUTO_COMPLETE is not set
-CONFIG_CMD_IMLS=y
-CONFIG_CMD_I2C=y
-CONFIG_CMD_NAND=y
-# CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
-CONFIG_ENV_OVERWRITE=y
-CONFIG_ENV_IS_IN_NAND=y
-CONFIG_SYS_RELOC_GD_ENV_ADDR=y
-CONFIG_SYS_I2C_DW=y
-# CONFIG_MMC is not set
-CONFIG_MTD=y
-CONFIG_MTD_NOR_FLASH=y
-CONFIG_MTD_RAW_NAND=y
-CONFIG_PHY_GIGE=y
-CONFIG_ETH_DESIGNWARE=y
-CONFIG_MII=y
-CONFIG_CONS_INDEX=0
-CONFIG_USB=y
-CONFIG_USB_GADGET=y
diff --git a/configs/spear320_usbtty_pnor_defconfig b/configs/spear320_usbtty_pnor_defconfig
deleted file mode 100644 (file)
index 3d993d7..0000000
+++ /dev/null
@@ -1,40 +0,0 @@
-CONFIG_ARM=y
-CONFIG_ARCH_CPU_INIT=y
-CONFIG_TARGET_SPEAR320=y
-CONFIG_SYS_TEXT_BASE=0x00700000
-CONFIG_NR_DRAM_BANKS=1
-CONFIG_ENV_SIZE=0x2000
-CONFIG_ENV_SECT_SIZE=0x20000
-CONFIG_IDENT_STRING="-SPEAr"
-CONFIG_SYS_EXTRA_OPTIONS="SPEAR320,USBTTY,FLASH_PNOR"
-CONFIG_BOOTDELAY=-1
-CONFIG_USE_BOOTARGS=y
-CONFIG_BOOTARGS="console=ttyAMA0,115200 mem=128M root=/dev/mtdblock3 rootfstype=jffs2"
-CONFIG_SYS_CONSOLE_INFO_QUIET=y
-# CONFIG_DISPLAY_BOARDINFO is not set
-CONFIG_MISC_INIT_R=y
-# CONFIG_AUTO_COMPLETE is not set
-CONFIG_CMD_IMLS=y
-CONFIG_CMD_I2C=y
-CONFIG_CMD_NAND=y
-# CONFIG_CMD_SETEXPR is not set
-CONFIG_CMD_DHCP=y
-CONFIG_CMD_MII=y
-CONFIG_CMD_PING=y
-CONFIG_ENV_OVERWRITE=y
-CONFIG_ENV_IS_IN_FLASH=y
-CONFIG_ENV_ADDR=0x44060000
-CONFIG_SYS_I2C_DW=y
-# CONFIG_MMC is not set
-CONFIG_MTD=y
-CONFIG_MTD_NOR_FLASH=y
-CONFIG_FLASH_CFI_DRIVER=y
-CONFIG_SYS_FLASH_PROTECTION=y
-CONFIG_SYS_FLASH_CFI=y
-CONFIG_MTD_RAW_NAND=y
-CONFIG_PHY_GIGE=y
-CONFIG_ETH_DESIGNWARE=y
-CONFIG_MII=y
-CONFIG_CONS_INDEX=0
-CONFIG_USB=y
-CONFIG_USB_GADGET=y
index 7bcc857dade29493c63cca236e9687018b2c2236..de57ab928af0fe83fff51240e6675da74a080bd5 100644 (file)
@@ -139,7 +139,7 @@ config SYS_I2C_DW
 config SYS_I2C_DW_ENABLE_STATUS_UNSUPPORTED
        bool "DW I2C Enable Status Register not supported"
        depends on SYS_I2C_DW && \
-               (TARGET_SPEAR320 || TARGET_SPEAR600 || TARGET_X600)
+               (TARGET_SPEAR600 || TARGET_X600)
        default y
        help
          Some versions of the Designware I2C controller do not support the
index 122990e6348999ccf1279003d704f658db4bf883..d77ea6010a351f12e02aaa7c07bcdaa4bb098503 100644 (file)
@@ -33,8 +33,6 @@
 #define CONFIG_SYS_I2C
 #if defined(CONFIG_SPEAR600)
 #define CONFIG_SYS_I2C_BASE                    0xD0200000
-#elif defined(CONFIG_SPEAR320)
-#define CONFIG_SYS_I2C_BASE                    0xD0180000
 #endif
 #define CONFIG_SYS_I2C_SPEED                   400000
 #define CONFIG_SYS_I2C_SLAVE                   0x02