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Add definitions, add settings detection for SoCs

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SVN-Revision: 6759
This commit is contained in:
Florian Fainelli 2007-03-29 22:21:22 +00:00
parent 56d10f7c3c
commit ef53f5db7c
4 changed files with 230 additions and 15 deletions
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62
target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c
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@ -1,6 +1,8 @@
/*
* $Id$
*
* Copyright (C) 2007 OpenWrt.org
* Copyright (C) Gabor Juhos
* 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
@ -17,12 +19,13 @@
#include <asm/addrspace.h>
#include <adm5120_info.h>
#include <adm5120_defs.h>
#include <adm5120_switch.h>
#include <myloader.h>
/* boot loaders specific definitions */
#define CFE_EPTSEAL 0x43464531 /* CFE1 is the magic number to recognize CFE from other bootloaders */
struct adm5120_info adm5120_info = {
.cpu_speed = CPU_SPEED_175,
.cpu_package = CPU_PACKAGE_PQFP,
@ -37,6 +40,42 @@ static char *boot_loader_names[BOOT_LOADER_LAST+1] = {
[BOOT_LOADER_MYLOADER] = "MyLoader"
};
/*
* CPU settings detection
*/
#define CODE_GET_PC(c) ((c) & CODE_PC_MASK)
#define CODE_GET_REV(c) (((c) >> CODE_REV_SHIFT) & CODE_REV_MASK)
#define CODE_GET_PK(c) (((c) >> CODE_PK_SHIFT) & CODE_PK_MASK)
#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
*/
@ -108,14 +147,31 @@ static int __init detect_bootloader(void)
return BOOT_LOADER_UNKNOWN;
}
/*
* Board detection
*/
static void __init detect_board_type(void)
{
/* FIXME: not yet implemented */
}
void __init adm5120_info_show(void)
{
printk("adm5120: boot loader is %s\n", boot_loader_names[adm5120_info.boot_loader]);
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();
}

60
target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_defs.h Normal file
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@ -0,0 +1,60 @@
/*
* $Id$
*
* ADM5120 SoC definitions
*
* This file defines some constants specific to the ADM5120 SoC
*
* 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.
*/
#ifndef _ADM5120_DEFS_H
#define _ADM5120_DEFS_H
#define ADM5120_SDRAM0_BASE 0x00000000
#define ADM5120_SDRAM1_BASE 0x01000000
#define ADM5120_SRAM1_BASE 0x10000000
#define ADM5120_MPMC_BASE 0x11000000
#define ADM5120_USBC_BASE 0x11200000
#define ADM5120_PCIMEM_BASE 0x11400000
#define ADM5120_PCIIO_BASE 0x11500000
#define ADM5120_PCICFG_ADDR 0x115FFFF0
#define ADM5120_PCICFG_DATA 0x115FFFF8
#define ADM5120_SWITCH_BASE 0x12000000
#define ADM5120_INTC_BASE 0x12200000
#define ADM5120_UART0_BASE 0x12600000
#define ADM5120_UART1_BASE 0x12800000
#define ADM5120_SRAM0_BASE 0x1FC00000
#define ADM5120_MPMC_SIZE 0x1000
#define ADM5120_USBC_SIZE 0x84
#define ADM5120_PCIMEM_SIZE (ADM5120_PCIIO_BASE - ADM5120_PCIMEM_BASE)
#define ADM5120_PCIIO_SIZE (ADM5120_PCICFG_ADDR - ADM5120_PCIIO_BASE)
#define ADM5120_PCICFG_SIZE 0x10
#define ADM5120_SWITCH_SIZE 0x114
#define ADM5120_INTC_SIZE 0x28
#define ADM5120_UART_SIZE 0x20
#define ADM5120_CLK_175 175000000
#define ADM5120_CLK_200 200000000
#define ADM5120_CLK_225 225000000
#define ADM5120_CLK_250 250000000
#define ADM5120_UART_CLOCK 62500000
#endif /* _ADM5120_DEFS_H */

14
target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_info.h
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@ -1,6 +1,8 @@
/*
* $Id$
*
* Copyright (C) 2007 OpenWrt.org
* Copyright (C) Gabor Juhos
* Copyright (C) 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
@ -14,8 +16,11 @@
#include <linux/types.h>
struct adm5120_info {
unsigned long cpu_speed;
unsigned int product_code;
unsigned int revision;
unsigned int cpu_package;
unsigned int nand_boot;
unsigned long cpu_speed;
unsigned int boot_loader;
unsigned int board_type;
};
@ -49,4 +54,9 @@ struct adm5120_info {
extern struct adm5120_info adm5120_info;
extern void adm5120_info_init(void);
static inline int adm5120_has_pci(void)
{
return (adm5120_info.cpu_package == CPU_PACKAGE_BGA);
}
#endif /* _ADM5120_INFO_H */

89
target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_switch.h Normal file
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@ -0,0 +1,89 @@
/*
* ADM5120 ethernet switch definitions
*
* This header file defines the hardware registers of the ADM5120 SoC
* built-in Ethernet switch.
*
* 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.
*/
#ifndef _ADM5120_SWITCH_H
#define _ADM5120_SWITCH_H
#define BITMASK(len) ((1 << (len))-1)
#define ONEBIT(at) (1 << (at))
/* Switch register offsets */
#define SWITCH_REG_CODE 0x0000
#define SWITCH_REG_SOFT_RESET 0x0004
#define SWITCH_REG_MEMCTRL 0x001C
#define SWITCH_REG_CPUP_CONF 0x0024
#define SWITCH_REG_PORT_CONF0 0x0028
#define SWITCH_REG_PORT_CONF1 0x002C
#define SWITCH_REG_PORT_CONF2 0x0030
#define SWITCH_REG_VLAN_G1 0x0040
#define SWITCH_REG_VLAN_G2 0x0044
#define SWITCH_REG_SEND_TRIG 0x0048
#define SWITCH_REG_MAC_WT0 0x0058
#define SWITCH_REG_MAC_WT1 0x005C
#define SWITCH_REG_PHY_CNTL0 0x0068
#define SWITCH_REG_PHY_CNTL1 0x006C
#define SWITCH_REG_PHY_CNTL2 0x007C
#define SWITCH_REG_PHY_CNTL3 0x0080
#define SWITCH_REG_PRI_CNTL 0x0084
#define SWITCH_REG_INT_STATUS 0x00B0
#define SWITCH_REG_INT_MASK 0x00B4
#define SWITCH_REG_GPIO_CONF0 0x00B8
#define SWITCH_REG_GPIO_CONF2 0x00BC
#define SWITCH_REG_WDOG0 0x00C0
#define SWITCH_REG_WDOG1 0x00C4
#define SWITCH_REG_PHY_CNTL4 0x00A0
#define SWITCH_REG_SEND_HBADDR 0x00D0
#define SWITCH_REG_SEND_LBADDR 0x00D4
#define SWITCH_REG_RECV_HBADDR 0x00D8
#define SWITCH_REG_RECV_LBADDR 0x00DC
#define SWITCH_REG_TIMER_INT 0x00F0
#define SWITCH_REG_TIMER 0x00F4
#define SWITCH_REG_PORT0_LED 0x0100
#define SWITCH_REG_PORT1_LED 0x0104
#define SWITCH_REG_PORT2_LED 0x0108
#define SWITCH_REG_PORT3_LED 0x010C
#define SWITCH_REG_PORT4_LED 0x0110
/* CODE register bits */
#define CODE_PC_MASK BITMASK(16) /* Product Code */
#define CODE_REV_SHIFT 16
#define CODE_REV_MASK BITMASK(4) /* Product Revision */
#define CODE_CLKS_SHIFT 20
#define CODE_CLKS_MASK BITMASK(2) /* Clock Speed */
#define CODE_CLKS_175 0 /* 175 MHz */
#define CODE_CLKS_200 1 /* 200 MHz */
#define CODE_CLKS_225 2 /* 225 MHz */
#define CODE_CLKS_250 3 /* 250 MHz */
#define CODE_NAB ONEBIT(24) /* NAND boot */
#define CODE_PK_MASK BITMASK(1) /* Package type */
#define CODE_PK_SHIFT 29
#define CODE_PK_BGA 0 /* BGA package */
#define CODE_PK_PQFP 1 /* PQFP package */
#endif /* _ADM5120_SWITCH_H */