[adm5120] update trxsplit

[openwrt.git] / target / linux / adm5120-2.6 / files / arch / mips / adm5120 / adm5120_info.c

diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c
index 9e39730..17d82fa 100644 (file)
--- a/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c
+++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c
@@ -1,45 +1,45 @@
 /*
 /*

- * $Id$
+ *  $Id$

  *
  *

- * Copyright (C) 2007 OpenWrt.org
- * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
+ *  Copyright (C) 2007 OpenWrt.org
+ *  Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
+ *
+ *  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.

  *
  *

- * 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.

  */
 
 #include <linux/types.h>
  */
 
 #include <linux/types.h>

-#include <linux/autoconf.h>

 #include <linux/kernel.h>
 #include <linux/init.h>
 
 #include <asm/bootinfo.h>
 #include <asm/addrspace.h>
 
 #include <linux/kernel.h>
 #include <linux/init.h>
 
 #include <asm/bootinfo.h>
 #include <asm/addrspace.h>
 

-#include <adm5120_info.h>
-#include <adm5120_defs.h>
-#include <adm5120_switch.h>
-#include <myloader.h>
+#include <asm/mach-adm5120/adm5120_info.h>
+#include <asm/mach-adm5120/adm5120_defs.h>
+#include <asm/mach-adm5120/adm5120_switch.h>

 
 

-/* boot loaders specific definitions */
-#define CFE_EPTSEAL    0x43464531 /* CFE1 is the magic number to recognize CFE from other bootloaders */
+unsigned int adm5120_product_code;
+unsigned int adm5120_revision;
+unsigned int adm5120_package;
+unsigned int adm5120_nand_boot;
+unsigned long adm5120_speed;

 
 

-struct adm5120_info adm5120_info = {
-       .cpu_speed              = CPU_SPEED_175,
-       .cpu_package            = CPU_PACKAGE_PQFP,
-       .boot_loader            = BOOT_LOADER_UNKNOWN,
-       .board_type             = BOARD_TYPE_UNKNOWN
-};
-
-static char *boot_loader_names[BOOT_LOADER_LAST+1] = {
-       [BOOT_LOADER_UNKNOWN]   = "Unknown",
-       [BOOT_LOADER_CFE]       = "CFE",
-       [BOOT_LOADER_UBOOT]     = "U-Boot",
-       [BOOT_LOADER_MYLOADER]  = "MyLoader",
-       [BOOT_LOADER_ROUTERBOOT]= "RouterBOOT"
-};
+#define SWITCH_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))
+#define SWITCH_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))=(v)

 
 /*
  * CPU settings detection
 
 /*
  * CPU settings detection


@@ -50,138 +50,44 @@ static char *boot_loader_names[BOOT_LOADER_LAST+1] = {
 #define CODE_GET_CLKS(c)       (((c) >> CODE_CLKS_SHIFT) & CODE_CLKS_MASK)
 #define CODE_GET_NAB(c)                (((c) & CODE_NAB) != 0)
 
 #define CODE_GET_CLKS(c)       (((c) >> CODE_CLKS_SHIFT) & CODE_CLKS_MASK)
 #define CODE_GET_NAB(c)                (((c) & CODE_NAB) != 0)
 

-static void __init detect_cpu_info(void)
-{
-       uint32_t *reg;
-       uint32_t code;
-       uint32_t clks;
-
-       reg = (uint32_t *)KSEG1ADDR(ADM5120_SWITCH_BASE+SWITCH_REG_CODE);
-       code = *reg;
-
-       clks = CODE_GET_CLKS(code);
-
-       adm5120_info.product_code = CODE_GET_PC(code);
-       adm5120_info.revision = CODE_GET_REV(code);
-
-       adm5120_info.cpu_speed = CPU_SPEED_175;
-       if (clks & 1)
-               adm5120_info.cpu_speed += 25000000;
-       if (clks & 2)
-               adm5120_info.cpu_speed += 50000000;
-
-       adm5120_info.cpu_package = (CODE_GET_PK(code) == CODE_PK_BGA) ?
-               CPU_PACKAGE_BGA : CPU_PACKAGE_PQFP;
-
-       adm5120_info.nand_boot = CODE_GET_NAB(code);
-
-}
-
-/*
- * Boot loader detection routines
- */
-static int __init detect_cfe(void)
+void adm5120_ndelay(u32 ns)

 {
 {

-       /*
-        * This method only works, when we are booted directly from the CFE.
-        */
-       uint32_t cfe_handle = (uint32_t) fw_arg0;
-       uint32_t cfe_a1_val = (uint32_t) fw_arg1;
-       uint32_t cfe_entry = (uint32_t) fw_arg2;
-       uint32_t cfe_seal = (uint32_t) fw_arg3;
-
-       /* Check for CFE by finding the CFE magic number */
-       if (cfe_seal != CFE_EPTSEAL) {
-               /* We are not booted from CFE */
-               return 0;
-       }
+       u32     t;

 
 

-       /* cfe_a1_val must be 0, because only one CPU present in the ADM5120 SoC */
-       if (cfe_a1_val != 0) {
-               return 0;
-       }
+       SWITCH_WRITE(SWITCH_REG_TIMER, TIMER_PERIOD_DEFAULT);
+       SWITCH_WRITE(SWITCH_REG_TIMER_INT, (TIMER_INT_TOS | TIMER_INT_TOM));

 
 

-       /* The cfe_handle, and the cfe_entry must be kernel mode addresses */
-       if ((cfe_handle < KSEG0) || (cfe_entry < KSEG0)) {
-               return 0;
-       }
+       t = (ns+640) / 640;
+       t &= TIMER_PERIOD_MASK;
+       SWITCH_WRITE(SWITCH_REG_TIMER, t | TIMER_TE);

 
 

-       return 1;
-}
+       /* wait until the timer expires */
+       do {
+               t = SWITCH_READ(SWITCH_REG_TIMER_INT);
+       } while ((t & TIMER_INT_TOS) == 0);

 
 

-static int __init detect_uboot(void)
-{
-       /* FIXME: not yet implemented */
-       return 0;
+       /* leave the timer disabled */
+       SWITCH_WRITE(SWITCH_REG_TIMER, TIMER_PERIOD_DEFAULT);
+       SWITCH_WRITE(SWITCH_REG_TIMER_INT, (TIMER_INT_TOS | TIMER_INT_TOM));

 }
 
 }
 

-static int __init detect_myloader(void)
+void __init adm5120_soc_init(void)

 {
 {

-       struct mylo_system_params *sysp;
-       struct mylo_board_params *boardp;
-       struct mylo_partition_table *parts;
-
-       sysp = (struct mylo_system_params *)(MYLO_MIPS_SYS_PARAMS);
-       boardp = (struct mylo_board_params *)(MYLO_MIPS_BOARD_PARAMS);
-       parts = (struct mylo_partition_table *)(MYLO_MIPS_PARTITIONS);
+       u32 code;
+       u32 clks;

 
 

-       /* Check for some magic numbers */
-       if ((sysp->magic != MYLO_MAGIC_SYS_PARAMS) ||
-          (boardp->magic != MYLO_MAGIC_BOARD_PARAMS) ||
-          (parts->magic != MYLO_MAGIC_PARTITIONS))
-               return 0;
+       code = SWITCH_READ(SWITCH_REG_CODE);

 
 

-       return 1;
-}
+       adm5120_product_code = CODE_GET_PC(code);
+       adm5120_revision = CODE_GET_REV(code);
+       adm5120_package = (CODE_GET_PK(code) == CODE_PK_BGA) ?
+               ADM5120_PACKAGE_BGA : ADM5120_PACKAGE_PQFP;
+       adm5120_nand_boot = CODE_GET_NAB(code);

 
 

-static int __init detect_routerboot(void)
-{
-       /* FIXME: not yet implemented */
-       return 0;
-}
-
-static int __init detect_bootloader(void)
-{
-       if (detect_cfe())
-               return BOOT_LOADER_CFE;
-
-       if (detect_uboot())
-               return BOOT_LOADER_UBOOT;
-
-       if (detect_myloader())
-               return BOOT_LOADER_MYLOADER;
-
-       if (detect_routerboot())
-               return BOOT_LOADER_ROUTERBOOT;
-
-       return BOOT_LOADER_UNKNOWN;
-}
-
-/*
- * Board detection
- */
-static void __init detect_board_type(void)
-{
-       /* FIXME: not yet implemented */
-}
-
-void __init adm5120_info_show(void)
-{
-       printk("ADM%04X%s revision %d, running at %ldMHz\n",
-               adm5120_info.product_code,
-               (adm5120_info.cpu_package == CPU_PACKAGE_BGA) ? "" : "P",
-               adm5120_info.revision,
-               (adm5120_info.cpu_speed / 1000000)
-               );
-       printk("Boot loader is: %s\n", boot_loader_names[adm5120_info.boot_loader]);
-       printk("Booted from   : %s flash\n", adm5120_info.nand_boot ? "NAND" : "NOR");
-}
-
-void __init adm5120_info_init(void)
-{
-       detect_cpu_info();
-       adm5120_info.boot_loader = detect_bootloader();
-       detect_board_type();
-
-       adm5120_info_show();
+       clks = CODE_GET_CLKS(code);
+       adm5120_speed = ADM5120_SPEED_175;
+       if (clks & 1)
+               adm5120_speed += 25000000;
+       if (clks & 2)
+               adm5120_speed += 50000000;

 }
 }