]> git.sur5r.net Git - u-boot/blobdiff - board/BuR/common/common.c
env: Rename eth_setenv_enetaddr() to eth_env_set_enetaddr()
[u-boot] / board / BuR / common / common.c
index 18e1520b383c9a05fb773fb1c3cf775b1c9f59a4..eb34de931ec3ee36f84f0cf992c41f6725bfb58f 100644 (file)
@@ -3,7 +3,7 @@
  *
  * common board functions for B&R boards
  *
- * Copyright (C) 2013 Hannes Petermaier <oe5hpm@oevsv.at>
+ * Copyright (C) 2013 Hannes Schmelzer <oe5hpm@oevsv.at>
  * Bernecker & Rainer Industrieelektronik GmbH - http://www.br-automation.com
  *
  * SPDX-License-Identifier:    GPL-2.0+
@@ -12,7 +12,6 @@
 #include <version.h>
 #include <common.h>
 #include <errno.h>
-#include <spl.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/omap.h>
 #endif
 #include "bur_common.h"
 #include "../../../drivers/video/am335x-fb.h"
+#include <nand.h>
+#include <fdt_simplefb.h>
 
 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
 
 DECLARE_GLOBAL_DATA_PTR;
 
 #ifdef CONFIG_USE_FDT
-  #define FDTPROP(a, b, c) fdt_getprop_u32_default((void *)a, b, c, ~0UL)
+  #define FDTPROP(b, c) fdt_getprop_u32_default(gd->fdt_blob, b, c, ~0UL)
   #define PATHTIM "/panel/display-timings/default"
   #define PATHINF "/panel/panel-info"
 #endif
 /* --------------------------------------------------------------------------*/
 #if defined(CONFIG_LCD) && defined(CONFIG_AM335X_LCD) && \
        !defined(CONFIG_SPL_BUILD)
+void lcdbacklight(int on)
+{
+#ifdef CONFIG_USE_FDT
+       if (gd->fdt_blob == NULL) {
+               printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
+               return;
+       }
+       unsigned int driver = FDTPROP(PATHINF, "brightdrv");
+       unsigned int bright = FDTPROP(PATHINF, "brightdef");
+       unsigned int pwmfrq = FDTPROP(PATHINF, "brightfdim");
+#else
+       unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
+       unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
+       unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
+#endif
+       unsigned int tmp;
+       struct gptimer *timerhw;
+
+       if (on)
+               bright = bright != ~0UL ? bright : 50;
+       else
+               bright = 0;
+
+       switch (driver) {
+       case 2:
+               timerhw = (struct gptimer *)DM_TIMER5_BASE;
+               break;
+       default:
+               timerhw = (struct gptimer *)DM_TIMER6_BASE;
+       }
+
+       switch (driver) {
+       case 0: /* PMIC LED-Driver */
+               /* brightness level */
+               tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+                                  TPS65217_WLEDCTRL2, bright, 0xFF);
+               /* current sink */
+               tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
+                                  TPS65217_WLEDCTRL1,
+                                  bright != 0 ? 0x0A : 0x02,
+                                  0xFF);
+               break;
+       case 1:
+       case 2: /* PWM using timer */
+               if (pwmfrq != ~0UL) {
+                       timerhw->tiocp_cfg = TCFG_RESET;
+                       udelay(10);
+                       while (timerhw->tiocp_cfg & TCFG_RESET)
+                               ;
+                       tmp = ~0UL-(V_OSCK/pwmfrq);     /* bottom value */
+                       timerhw->tldr = tmp;
+                       timerhw->tcrr = tmp;
+                       tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
+                       timerhw->tmar = tmp;
+                       timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) |
+                                       TCLR_CE | TCLR_AR | TCLR_ST);
+               } else {
+                       puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
+               }
+               break;
+       default:
+               puts("no suitable backlightdriver in env/dtb!\n");
+               break;
+       }
+}
+
 int load_lcdtiming(struct am335x_lcdpanel *panel)
 {
        struct am335x_lcdpanel pnltmp;
 #ifdef CONFIG_USE_FDT
-       u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
        u32 dtbprop;
+       char buf[32];
+       const char *nodep = 0;
+       int nodeoff;
 
-       if (dtbaddr == ~0UL) {
-               puts("load_lcdtiming: failed to get 'dtbaddr' from env!\n");
+       if (gd->fdt_blob == NULL) {
+               printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
                return -1;
        }
        memcpy(&pnltmp, (void *)panel, sizeof(struct am335x_lcdpanel));
 
-       pnltmp.hactive = FDTPROP(dtbaddr, PATHTIM, "hactive");
-       pnltmp.vactive = FDTPROP(dtbaddr, PATHTIM, "vactive");
-       pnltmp.bpp = FDTPROP(dtbaddr, PATHINF, "bpp");
-       pnltmp.hfp = FDTPROP(dtbaddr, PATHTIM, "hfront-porch");
-       pnltmp.hbp = FDTPROP(dtbaddr, PATHTIM, "hback-porch");
-       pnltmp.hsw = FDTPROP(dtbaddr, PATHTIM, "hsync-len");
-       pnltmp.vfp = FDTPROP(dtbaddr, PATHTIM, "vfront-porch");
-       pnltmp.vbp = FDTPROP(dtbaddr, PATHTIM, "vback-porch");
-       pnltmp.vsw = FDTPROP(dtbaddr, PATHTIM, "vsync-len");
-       pnltmp.pup_delay = FDTPROP(dtbaddr, PATHTIM, "pupdelay");
-       pnltmp.pon_delay = FDTPROP(dtbaddr, PATHTIM, "pondelay");
+       pnltmp.hactive = FDTPROP(PATHTIM, "hactive");
+       pnltmp.vactive = FDTPROP(PATHTIM, "vactive");
+       pnltmp.bpp = FDTPROP(PATHINF, "bpp");
+       pnltmp.hfp = FDTPROP(PATHTIM, "hfront-porch");
+       pnltmp.hbp = FDTPROP(PATHTIM, "hback-porch");
+       pnltmp.hsw = FDTPROP(PATHTIM, "hsync-len");
+       pnltmp.vfp = FDTPROP(PATHTIM, "vfront-porch");
+       pnltmp.vbp = FDTPROP(PATHTIM, "vback-porch");
+       pnltmp.vsw = FDTPROP(PATHTIM, "vsync-len");
+       pnltmp.pup_delay = FDTPROP(PATHTIM, "pupdelay");
+       pnltmp.pon_delay = FDTPROP(PATHTIM, "pondelay");
 
        /* calc. proper clk-divisor */
-       dtbprop = FDTPROP(dtbaddr, PATHTIM, "clock-frequency");
+       dtbprop = FDTPROP(PATHTIM, "clock-frequency");
        if (dtbprop != ~0UL)
                pnltmp.pxl_clk_div = 192000000 / dtbprop;
        else
                pnltmp.pxl_clk_div = ~0UL;
 
        /* check polarity of control-signals */
-       dtbprop = FDTPROP(dtbaddr, PATHTIM, "hsync-active");
+       dtbprop = FDTPROP(PATHTIM, "hsync-active");
        if (dtbprop == 0)
                pnltmp.pol |= HSYNC_INVERT;
-       dtbprop = FDTPROP(dtbaddr, PATHTIM, "vsync-active");
+       dtbprop = FDTPROP(PATHTIM, "vsync-active");
        if (dtbprop == 0)
                pnltmp.pol |= VSYNC_INVERT;
-       dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-ctrl");
+       dtbprop = FDTPROP(PATHINF, "sync-ctrl");
        if (dtbprop == 1)
                pnltmp.pol |= HSVS_CONTROL;
-       dtbprop = FDTPROP(dtbaddr, PATHINF, "sync-edge");
+       dtbprop = FDTPROP(PATHINF, "sync-edge");
        if (dtbprop == 1)
                pnltmp.pol |= HSVS_RISEFALL;
-       dtbprop = FDTPROP(dtbaddr, PATHTIM, "pixelclk-active");
+       dtbprop = FDTPROP(PATHTIM, "pixelclk-active");
        if (dtbprop == 0)
                pnltmp.pol |= PXCLK_INVERT;
-       dtbprop = FDTPROP(dtbaddr, PATHTIM, "de-active");
+       dtbprop = FDTPROP(PATHTIM, "de-active");
        if (dtbprop == 0)
                pnltmp.pol |= DE_INVERT;
+
+       nodeoff = fdt_path_offset(gd->fdt_blob, "/factory-settings");
+       if (nodeoff >= 0) {
+               nodep = fdt_getprop(gd->fdt_blob, nodeoff, "rotation", NULL);
+               if (nodep != 0) {
+                       if (strcmp(nodep, "cw") == 0)
+                               panel_info.vl_rot = 1;
+                       else if (strcmp(nodep, "ud") == 0)
+                               panel_info.vl_rot = 2;
+                       else if (strcmp(nodep, "ccw") == 0)
+                               panel_info.vl_rot = 3;
+                       else
+                               panel_info.vl_rot = 0;
+               }
+       } else {
+               puts("no 'factory-settings / rotation' in dtb!\n");
+       }
+       snprintf(buf, sizeof(buf), "fbcon=rotate:%d", panel_info.vl_rot);
+       env_set("optargs_rot", buf);
 #else
        pnltmp.hactive = getenv_ulong("ds1_hactive", 10, ~0UL);
        pnltmp.vactive = getenv_ulong("ds1_vactive", 10, ~0UL);
@@ -111,6 +199,7 @@ int load_lcdtiming(struct am335x_lcdpanel *panel)
        pnltmp.pol = getenv_ulong("ds1_pol", 16, ~0UL);
        pnltmp.pup_delay = getenv_ulong("ds1_pupdelay", 10, ~0UL);
        pnltmp.pon_delay = getenv_ulong("ds1_tondelay", 10, ~0UL);
+       panel_info.vl_rot = getenv_ulong("ds1_rotation", 10, 0);
 #endif
        if (
           ~0UL == (pnltmp.hactive) ||
@@ -160,33 +249,43 @@ int load_lcdtiming(struct am335x_lcdpanel *panel)
 #ifdef CONFIG_USE_FDT
 static int load_devicetree(void)
 {
-       char *dtbname = getenv("dtb");
-       char *dtbdev = getenv("dtbdev");
-       char *dtppart = getenv("dtbpart");
-       u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
+       int rc;
        loff_t dtbsize;
+       u32 dtbaddr = getenv_ulong("dtbaddr", 16, 0UL);
 
-       if (!dtbdev || !dtbdev) {
-               puts("load_devicetree: <dtbdev>/<dtbpart> missing.\n");
+       if (dtbaddr == 0) {
+               printf("%s: don't have a valid <dtbaddr> in env!\n", __func__);
+               return -1;
+       }
+#ifdef CONFIG_NAND
+       dtbsize = 0x20000;
+       rc = nand_read_skip_bad(get_nand_dev_by_index(0), 0x40000,
+                               (size_t *)&dtbsize,
+                               NULL, 0x20000, (u_char *)dtbaddr);
+#else
+       char *dtbname = getenv("dtb");
+       char *dtbdev = getenv("dtbdev");
+       char *dtbpart = getenv("dtbpart");
+       if (!dtbdev || !dtbpart || !dtbname) {
+               printf("%s: <dtbdev>/<dtbpart>/<dtb> missing.\n", __func__);
                return -1;
        }
 
-       if (fs_set_blk_dev(dtbdev, dtppart, FS_TYPE_EXT)) {
+       if (fs_set_blk_dev(dtbdev, dtbpart, FS_TYPE_EXT)) {
                puts("load_devicetree: set_blk_dev failed.\n");
                return -1;
        }
-       if (dtbname && dtbaddr != ~0UL) {
-               if (fs_read(dtbname, dtbaddr, 0, 0, &dtbsize) == 0) {
-                       gd->fdt_blob = (void *)dtbaddr;
-                       gd->fdt_size = dtbsize;
-                       debug("loaded %d bytes of dtb onto 0x%08x\n",
-                             (u32)dtbsize, dtbaddr);
-                       return dtbsize;
-               }
-               puts("load_devicetree: load dtb failed,file does not exist!\n");
+       rc = fs_read(dtbname, (u32)dtbaddr, 0, 0, &dtbsize);
+#endif
+       if (rc == 0) {
+               gd->fdt_blob = (void *)dtbaddr;
+               gd->fdt_size = dtbsize;
+               debug("loaded %d bytes of dtb onto 0x%08x\n",
+                     (u32)dtbsize, (u32)gd->fdt_blob);
+               return dtbsize;
        }
 
-       puts("load_devicetree: <dtb>/<dtbaddr> missing!\n");
+       printf("%s: load dtb failed!\n", __func__);
        return -1;
 }
 
@@ -196,27 +295,26 @@ static const char *dtbmacaddr(u32 ifno)
        char enet[16];
        const char *mac;
        const char *path;
-       u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
 
-       if (dtbaddr == ~0UL) {
-               puts("dtbmacaddr: failed to get 'dtbaddr' from env!\n");
+       if (gd->fdt_blob == NULL) {
+               printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
                return NULL;
        }
 
-       node = fdt_path_offset((void *)dtbaddr, "/aliases");
+       node = fdt_path_offset(gd->fdt_blob, "/aliases");
        if (node < 0)
                return NULL;
 
        sprintf(enet, "ethernet%d", ifno);
-       path = fdt_getprop((void *)dtbaddr, node, enet, NULL);
+       path = fdt_getprop(gd->fdt_blob, node, enet, NULL);
        if (!path) {
                printf("no alias for %s\n", enet);
                return NULL;
        }
 
-       node = fdt_path_offset((void *)dtbaddr, path);
-       mac = fdt_getprop((void *)dtbaddr, node, "mac-address", &len);
-       if (mac && is_valid_ether_addr((u8 *)mac))
+       node = fdt_path_offset(gd->fdt_blob, path);
+       mac = fdt_getprop(gd->fdt_blob, node, "mac-address", &len);
+       if (mac && is_valid_ethaddr((u8 *)mac))
                return mac;
 
        return NULL;
@@ -226,15 +324,14 @@ static void br_summaryscreen_printdtb(char *prefix,
                                       char *name,
                                       char *suffix)
 {
-       u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
        char buf[32] = { 0 };
        const char *nodep = buf;
        char *mac = 0;
        int nodeoffset;
        int len;
 
-       if (dtbaddr == ~0UL) {
-               puts("br_summaryscreen: failed to get 'dtbaddr' from env!\n");
+       if (gd->fdt_blob == NULL) {
+               printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
                return;
        }
 
@@ -247,13 +344,13 @@ static void br_summaryscreen_printdtb(char *prefix,
                if (mac)
                        sprintf(buf, "%pM", mac);
        } else {
-               nodeoffset = fdt_path_offset((void *)dtbaddr,
+               nodeoffset = fdt_path_offset(gd->fdt_blob,
                                             "/factory-settings");
                if (nodeoffset < 0) {
                        puts("no 'factory-settings' in dtb!\n");
                        return;
                }
-               nodep = fdt_getprop((void *)dtbaddr, nodeoffset, name, &len);
+               nodep = fdt_getprop(gd->fdt_blob, nodeoffset, name, &len);
        }
        if (nodep && strlen(nodep) > 1)
                lcd_printf("%s %s %s", prefix, nodep, suffix);
@@ -274,6 +371,32 @@ int ft_board_setup(void *blob, bd_t *bd)
                puts("set bootloader version 'bl-version' prop. not in dtb!\n");
                return -1;
        }
+       /*
+        * if no simplefb is requested through environment, we don't set up
+        * one, instead we turn off backlight.
+        */
+       if (getenv_ulong("simplefb", 10, 0) == 0) {
+               lcdbacklight(0);
+               return 0;
+       }
+       /* Setup simplefb devicetree node, also adapt memory-node,
+        * upper limit for kernel e.g. linux is memtop-framebuffer alligned
+        * to a full megabyte.
+        */
+       u64 start = gd->bd->bi_dram[0].start;
+       u64 size = (gd->fb_base - start) & ~0xFFFFF;
+       int rc = fdt_fixup_memory_banks(blob, &start, &size, 1);
+
+       if (rc) {
+               puts("cannot setup simplefb: Error reserving memory!\n");
+               return rc;
+       }
+       rc = lcd_dt_simplefb_enable_existing_node(blob);
+       if (rc) {
+               puts("cannot setup simplefb: error enabling simplefb node!\n");
+               return rc;
+       }
+
        return 0;
 }
 #else
@@ -318,13 +441,11 @@ void lcdpower(int on)
 {
        u32 pin, swval, i;
 #ifdef CONFIG_USE_FDT
-       u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
-
-       if (dtbaddr == ~0UL) {
-               puts("lcdpower: failed to get 'dtbaddr' from env!\n");
+       if (gd->fdt_blob == NULL) {
+               printf("%s: don't have a valid gd->fdt_blob!\n", __func__);
                return;
        }
-       pin = FDTPROP(dtbaddr, PATHINF, "pwrpin");
+       pin = FDTPROP(PATHINF, "pwrpin");
 #else
        pin = getenv_ulong("ds1_pwr", 16, ~0UL);
 #endif
@@ -384,87 +505,20 @@ void lcd_ctrl_init(void *lcdbase)
 
 void lcd_enable(void)
 {
-#ifdef CONFIG_USE_FDT
-       u32 dtbaddr = getenv_ulong("dtbaddr", 16, ~0UL);
-
-       if (dtbaddr == ~0UL) {
-               puts("lcdpower: failed to get 'dtbaddr' from env!\n");
-               return;
-       }
-       unsigned int driver = FDTPROP(dtbaddr, PATHINF, "brightdrv");
-       unsigned int bright = FDTPROP(dtbaddr, PATHINF, "brightdef");
-       unsigned int pwmfrq = FDTPROP(dtbaddr, PATHINF, "brightfdim");
-#else
-       unsigned int driver = getenv_ulong("ds1_bright_drv", 16, 0UL);
-       unsigned int bright = getenv_ulong("ds1_bright_def", 10, 50);
-       unsigned int pwmfrq = getenv_ulong("ds1_pwmfreq", 10, ~0UL);
-#endif
-       unsigned int tmp;
-       struct gptimer *const timerhw = (struct gptimer *)DM_TIMER6_BASE;
-
-       bright = bright != ~0UL ? bright : 50;
-
-       switch (driver) {
-       case 0: /* PMIC LED-Driver */
-               /* brightness level */
-               tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
-                                  TPS65217_WLEDCTRL2, bright, 0xFF);
-               /* turn on light */
-               tps65217_reg_write(TPS65217_PROT_LEVEL_NONE,
-                                  TPS65217_WLEDCTRL1, 0x0A, 0xFF);
-               break;
-       case 1: /* PWM using timer6 */
-               if (pwmfrq != ~0UL) {
-                       timerhw->tiocp_cfg = TCFG_RESET;
-                       udelay(10);
-                       while (timerhw->tiocp_cfg & TCFG_RESET)
-                               ;
-                       tmp = ~0UL-(V_OSCK/pwmfrq);     /* bottom value */
-                       timerhw->tldr = tmp;
-                       timerhw->tcrr = tmp;
-                       tmp = tmp + ((V_OSCK/pwmfrq)/100) * bright;
-                       timerhw->tmar = tmp;
-                       timerhw->tclr = (TCLR_PT | (2 << TCLR_TRG_SHIFT) |
-                                       TCLR_CE | TCLR_AR | TCLR_ST);
-               } else {
-                       puts("invalid pwmfrq in env/dtb! skip PWM-setup.\n");
-               }
-               break;
-       default:
-               puts("no suitable backlightdriver in env/dtb!\n");
-               break;
-       }
        br_summaryscreen();
+       lcdbacklight(1);
 }
 #elif CONFIG_SPL_BUILD
 #else
 #error "LCD-support with a suitable FB-Driver is mandatory !"
 #endif /* CONFIG_LCD */
 
-void blink(u32 blinks, u32 intervall, u32 pin)
-{
-       gpio_direction_output(pin, 0);
-       int val = 0;
-
-       do {
-               val ^= 0x01;
-               gpio_set_value(pin, val);
-               mdelay(intervall);
-       } while (blinks--);
-
-       gpio_set_value(pin, 0);
-}
-
 #ifdef CONFIG_SPL_BUILD
 void pmicsetup(u32 mpupll)
 {
        int mpu_vdd;
        int usb_cur_lim;
 
-       /* setup I2C */
-       enable_i2c0_pin_mux();
-       i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
-
        if (i2c_probe(TPS65217_CHIP_PM)) {
                puts("PMIC (0x24) not found! skip further initalization.\n");
                return;
@@ -586,8 +640,7 @@ static struct cpsw_platform_data cpsw_data = {
 };
 #endif /* CONFIG_DRIVER_TI_CPSW, ... */
 
-#if defined(CONFIG_DRIVER_TI_CPSW)
-
+#if defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)
 int board_eth_init(bd_t *bis)
 {
        int rv = 0;
@@ -604,8 +657,6 @@ int board_eth_init(bd_t *bis)
        mac_addr[4] = mac_lo & 0xFF;
        mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 
-#if (defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD)) || \
-       (defined(CONFIG_SPL_ETH_SUPPORT) && defined(CONFIG_SPL_BUILD))
        if (!getenv("ethaddr")) {
                #if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_USE_FDT)
                printf("<ethaddr> not set. trying DTB ... ");
@@ -613,13 +664,13 @@ int board_eth_init(bd_t *bis)
                #endif
                if (!mac) {
                        printf("<ethaddr> not set. validating E-fuse MAC ... ");
-                       if (is_valid_ether_addr((const u8 *)mac_addr))
+                       if (is_valid_ethaddr((const u8 *)mac_addr))
                                mac = (const char *)mac_addr;
                }
 
                if (mac) {
                        printf("using: %pM on ", mac);
-                       eth_setenv_enetaddr("ethaddr", (const u8 *)mac);
+                       eth_env_set_enetaddr("ethaddr", (const u8 *)mac);
                }
        }
        writel(MII_MODE_ENABLE, &cdev->miisel);
@@ -631,13 +682,21 @@ int board_eth_init(bd_t *bis)
                printf("Error %d registering CPSW switch\n", rv);
                return 0;
        }
-#endif /* CONFIG_DRIVER_TI_CPSW, ... */
        return rv;
 }
-#endif /* CONFIG_DRIVER_TI_CPSW */
-#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
+#endif /* defined(CONFIG_DRIVER_TI_CPSW) && !defined(CONFIG_SPL_BUILD) */
+#if defined(CONFIG_MMC)
 int board_mmc_init(bd_t *bis)
 {
-       return omap_mmc_init(1, 0, 0, -1, -1);
+       int rc = 0;
+
+       rc |= omap_mmc_init(0, 0, 0, -1, -1);
+       rc |= omap_mmc_init(1, 0, 0, -1, -1);
+
+       return rc;
 }
 #endif
+int overwrite_console(void)
+{
+       return 1;
+}