diff options
Diffstat (limited to 'target/linux')
4 files changed, 230 insertions, 15 deletions
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 85e0df622b..e3a3c805a8 100644 --- 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 @@ -1,7 +1,9 @@ /* + * $Id$ + * * 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 * Free Software Foundation; either version 2 of the License, or (at your @@ -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, @@ -38,6 +41,42 @@ static char *boot_loader_names[BOOT_LOADER_LAST+1] = { }; /* + * 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 */ static int __init detect_cfe(void) @@ -55,12 +94,12 @@ static int __init detect_cfe(void) /* We are not booted from CFE */ return 0; } - + /* cfe_a1_val must be 0, because only one CPU present in the ADM5120 SoC */ if (cfe_a1_val != 0) { return 0; } - + /* The cfe_handle, and the cfe_entry must be kernel mode addresses */ if ((cfe_handle < KSEG0) || (cfe_entry < KSEG0)) { return 0; @@ -86,7 +125,7 @@ static int __init detect_myloader(void) parts = (struct mylo_partition_table *)(MYLO_MIPS_PARTITIONS); /* Check for some magic numbers */ - if ((sysp->magic != MYLO_MAGIC_SYS_PARAMS) || + if ((sysp->magic != MYLO_MAGIC_SYS_PARAMS) || (boardp->magic != MYLO_MAGIC_BOARD_PARAMS) || (parts->magic != MYLO_MAGIC_PARTITIONS)) return 0; @@ -98,24 +137,41 @@ static int __init detect_bootloader(void) { if (detect_cfe()) return BOOT_LOADER_CFE; - - if (detect_uboot()) + + if (detect_uboot()) return BOOT_LOADER_UBOOT; - + if (detect_myloader()) return BOOT_LOADER_MYLOADER; - + 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(); } diff --git a/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_defs.h b/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_defs.h new file mode 100644 index 0000000000..36979c225e --- /dev/null +++ b/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_defs.h @@ -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 */ diff --git a/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_info.h b/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_info.h index 30b9c7d830..6d2c5c248b 100644 --- a/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_info.h +++ b/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_info.h @@ -1,7 +1,9 @@ /* + * $Id$ + * * 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 * Free Software Foundation; either version 2 of the License, or (at your @@ -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 */ diff --git a/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_switch.h b/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_switch.h new file mode 100644 index 0000000000..52ea79e7ab --- /dev/null +++ b/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/adm5120_switch.h @@ -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 */ |