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Diffstat (limited to 'arch/powerpc/include/asm/global_data.h')
| -rw-r--r-- | arch/powerpc/include/asm/global_data.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/global_data.h b/arch/powerpc/include/asm/global_data.h new file mode 100644 index 0000000..d3dd44e --- /dev/null +++ b/arch/powerpc/include/asm/global_data.h @@ -0,0 +1,198 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __ASM_GBL_DATA_H +#define __ASM_GBL_DATA_H + +#include "config.h" +#include "asm/types.h" + +/* + * The following data structure is placed in some memory wich is + * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or + * some locked parts of the data cache) to allow for a minimum set of + * global variables during system initialization (until we have set + * up the memory controller so that we can use RAM). + * + * Keep it *SMALL* and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t) + */ + +typedef struct global_data { + bd_t *bd; + unsigned long flags; + unsigned long baudrate; + unsigned long cpu_clk; /* CPU clock in Hz! */ + unsigned long bus_clk; +#if defined(CONFIG_8xx) + unsigned long brg_clk; +#endif +#if defined(CONFIG_CPM2) + /* There are many clocks on the MPC8260 - see page 9-5 */ + unsigned long vco_out; + unsigned long cpm_clk; + unsigned long scc_clk; + unsigned long brg_clk; +#ifdef CONFIG_PCI + unsigned long pci_clk; +#endif +#endif + unsigned long mem_clk; +#if defined(CONFIG_MPC83xx) + /* There are other clocks in the MPC83XX */ + u32 csb_clk; +#if defined(CONFIG_MPC834x) || defined(CONFIG_MPC831x) || defined(CONFIG_MPC837x) + u32 tsec1_clk; + u32 tsec2_clk; + u32 usbdr_clk; +#endif +#if defined (CONFIG_MPC834x) + u32 usbmph_clk; +#endif /* CONFIG_MPC834x */ +#if defined(CONFIG_MPC8315) + u32 tdm_clk; +#endif + u32 core_clk; + u32 enc_clk; + u32 lbiu_clk; + u32 lclk_clk; + u32 pci_clk; +#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC831x) + u32 pciexp1_clk; + u32 pciexp2_clk; +#endif +#if defined(CONFIG_MPC837x) || defined(CONFIG_MPC8315) + u32 sata_clk; +#endif +#if defined(CONFIG_MPC8360) + u32 mem_sec_clk; +#endif /* CONFIG_MPC8360 */ +#endif +#if defined(CONFIG_FSL_ESDHC) + u32 sdhc_clk; +#endif +#if defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) + u32 lbc_clk; + void *cpu; +#endif /* CONFIG_MPC85xx || CONFIG_MPC86xx */ +#if defined(CONFIG_MPC83xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) + u32 i2c1_clk; + u32 i2c2_clk; +#endif +#if defined(CONFIG_QE) + u32 qe_clk; + u32 brg_clk; + uint mp_alloc_base; + uint mp_alloc_top; +#endif /* CONFIG_QE */ +#if defined(CONFIG_FSL_LAW) + u32 used_laws; +#endif +#if defined(CONFIG_E500) + u32 used_tlb_cams[(CONFIG_SYS_NUM_TLBCAMS+31)/32]; +#endif +#if defined(CONFIG_MPC5xxx) + unsigned long ipb_clk; + unsigned long pci_clk; +#endif +#if defined(CONFIG_MPC512X) + u32 ips_clk; + u32 csb_clk; + u32 pci_clk; +#endif /* CONFIG_MPC512X */ +#if defined(CONFIG_MPC8220) + unsigned long bExtUart; + unsigned long inp_clk; + unsigned long pci_clk; + unsigned long vco_clk; + unsigned long pev_clk; + unsigned long flb_clk; +#endif + phys_size_t ram_size; /* RAM size */ + unsigned long reset_status; /* reset status register at boot */ +#if defined(CONFIG_MPC83xx) + unsigned long arbiter_event_attributes; + unsigned long arbiter_event_address; +#endif + unsigned long env_addr; /* Address of Environment struct */ + unsigned long env_valid; /* Checksum of Environment valid? */ + unsigned long have_console; /* serial_init() was called */ +#if defined(CONFIG_SYS_ALLOC_DPRAM) || defined(CONFIG_CPM2) + unsigned int dp_alloc_base; + unsigned int dp_alloc_top; +#endif +#if defined(CONFIG_4xx) + u32 uart_clk; +#endif /* CONFIG_4xx */ +#if defined(CONFIG_SYS_GT_6426x) + unsigned int mirror_hack[16]; +#endif +#if defined(CONFIG_A3000) || \ + defined(CONFIG_HIDDEN_DRAGON) || \ + defined(CONFIG_MUSENKI) || \ + defined(CONFIG_SANDPOINT) + void * console_addr; +#endif + unsigned long relocaddr; /* Start address of U-Boot in RAM */ +#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) + unsigned long fb_base; /* Base address of framebuffer memory */ +#endif +#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) + unsigned long post_log_word; /* Record POST activities */ + unsigned long post_init_f_time; /* When post_init_f started */ +#endif +#ifdef CONFIG_BOARD_TYPES + unsigned long board_type; +#endif +#ifdef CONFIG_MODEM_SUPPORT + unsigned long do_mdm_init; + unsigned long be_quiet; +#endif +#if defined(CONFIG_LWMON) || defined(CONFIG_LWMON5) + unsigned long kbd_status; +#endif +#if defined(CONFIG_WD_MAX_RATE) + unsigned long long wdt_last; /* trace watch-dog triggering rate */ +#endif + void **jt; /* jump table */ +} gd_t; + +/* + * Global Data Flags + */ +#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ +#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ +#define GD_FLG_SILENT 0x00004 /* Silent mode */ +#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ +#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ +#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ +#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ + +#if 1 +#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("r2") +#else /* We could use plain global data, but the resulting code is bigger */ +#define XTRN_DECLARE_GLOBAL_DATA_PTR extern +#define DECLARE_GLOBAL_DATA_PTR XTRN_DECLARE_GLOBAL_DATA_PTR \ + gd_t *gd +#endif + +#endif /* __ASM_GBL_DATA_H */ |