diff options
Diffstat (limited to 'arch/ppc/boot/simple/openbios.c')
| -rw-r--r-- | arch/ppc/boot/simple/openbios.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/arch/ppc/boot/simple/openbios.c b/arch/ppc/boot/simple/openbios.c deleted file mode 100644 index 6ff2701..0000000 --- a/arch/ppc/boot/simple/openbios.c +++ /dev/null @@ -1,128 +0,0 @@ -/* - * Copyright (c) 2005 DENX Software Engineering - * Stefan Roese <sr@denx.de> - * - * Based on original work by - * 2005 (c) SYSGO AG - g.jaeger@sysgo.com - * - * This file is licensed under the terms of the GNU General Public - * License version 2. This program is licensed "as is" without - * any warranty of any kind, whether express or implied. - * - */ - -#include <linux/types.h> -#include <linux/string.h> -#include <asm/ppcboot.h> -#include <asm/ibm4xx.h> -#include <asm/reg.h> -#ifdef CONFIG_40x -#include <asm/io.h> -#endif - -#if defined(CONFIG_BUBINGA) -#define BOARD_INFO_VECTOR 0xFFF80B50 /* openbios 1.19 moved this vector down - armin */ -#else -#define BOARD_INFO_VECTOR 0xFFFE0B50 -#endif - -#ifdef CONFIG_40x -/* Supply a default Ethernet address for those eval boards that don't - * ship with one. This is an address from the MBX board I have, so - * it is unlikely you will find it on your network. - */ -static ushort def_enet_addr[] = { 0x0800, 0x3e26, 0x1559 }; - -extern unsigned long timebase_period_ns; -#endif /* CONFIG_40x */ - -extern unsigned long decompress_kernel(unsigned long load_addr, int num_words, - unsigned long cksum); - -/* We need to make sure that this is before the images to ensure - * that it's in a mapped location. */ -bd_t hold_resid_buf __attribute__ ((__section__ (".data.boot"))); -bd_t *hold_residual = &hold_resid_buf; - -typedef struct openbios_board_info { - unsigned char bi_s_version[4]; /* Version of this structure */ - unsigned char bi_r_version[30]; /* Version of the IBM ROM */ - unsigned int bi_memsize; /* DRAM installed, in bytes */ -#ifdef CONFIG_405EP - unsigned char bi_enetaddr[2][6]; /* Local Ethernet MAC address */ -#else /* CONFIG_405EP */ - unsigned char bi_enetaddr[6]; /* Local Ethernet MAC address */ -#endif /* CONFIG_405EP */ - unsigned char bi_pci_enetaddr[6]; /* PCI Ethernet MAC address */ - unsigned int bi_intfreq; /* Processor speed, in Hz */ - unsigned int bi_busfreq; /* PLB Bus speed, in Hz */ - unsigned int bi_pci_busfreq; /* PCI Bus speed, in Hz */ -#ifdef CONFIG_405EP - unsigned int bi_opb_busfreq; /* OPB Bus speed, in Hz */ - unsigned int bi_pllouta_freq; /* PLL OUTA speed, in Hz */ -#endif /* CONFIG_405EP */ -} openbios_bd_t; - -void * -load_kernel(unsigned long load_addr, int num_words, unsigned long cksum, - void *ign1, void *ign2) -{ -#ifdef CONFIG_40x - openbios_bd_t *openbios_bd = NULL; - openbios_bd_t *(*get_board_info)(void) = - (openbios_bd_t *(*)(void))(*(unsigned long *)BOARD_INFO_VECTOR); - - /* - * On 40x platforms we not only need the MAC-addresses, but also the - * clocks and memsize. Now try to get all values using the OpenBIOS - * "get_board_info()" callback. - */ - if ((openbios_bd = get_board_info()) != NULL) { - /* - * Copy bd_info from OpenBIOS struct into U-Boot struct - * used by kernel - */ - hold_residual->bi_memsize = openbios_bd->bi_memsize; - hold_residual->bi_intfreq = openbios_bd->bi_intfreq; - hold_residual->bi_busfreq = openbios_bd->bi_busfreq; - hold_residual->bi_pci_busfreq = openbios_bd->bi_pci_busfreq; - memcpy(hold_residual->bi_pci_enetaddr, openbios_bd->bi_pci_enetaddr, 6); -#ifdef CONFIG_405EP - memcpy(hold_residual->bi_enetaddr, openbios_bd->bi_enetaddr[0], 6); - memcpy(hold_residual->bi_enet1addr, openbios_bd->bi_enetaddr[1], 6); - hold_residual->bi_opbfreq = openbios_bd->bi_opb_busfreq; - hold_residual->bi_procfreq = openbios_bd->bi_pllouta_freq; -#else /* CONFIG_405EP */ - memcpy(hold_residual->bi_enetaddr, openbios_bd->bi_enetaddr, 6); -#endif /* CONFIG_405EP */ - } else { - /* Hmmm...better try to stuff some defaults. - */ - hold_residual->bi_memsize = 16 * 1024 * 1024; - hold_residual->bi_intfreq = 200000000; - hold_residual->bi_busfreq = 100000000; - hold_residual->bi_pci_busfreq = 66666666; - - /* - * Only supply one mac-address in this fallback - */ - memcpy(hold_residual->bi_enetaddr, (void *)def_enet_addr, 6); -#ifdef CONFIG_405EP - hold_residual->bi_opbfreq = 50000000; - hold_residual->bi_procfreq = 200000000; -#endif /* CONFIG_405EP */ - } - - timebase_period_ns = 1000000000 / hold_residual->bi_intfreq; -#endif /* CONFIG_40x */ - -#ifdef CONFIG_440GP - /* simply copy the MAC addresses */ - memcpy(hold_residual->bi_enetaddr, (char *)OPENBIOS_MAC_BASE, 6); - memcpy(hold_residual->bi_enet1addr, (char *)(OPENBIOS_MAC_BASE+OPENBIOS_MAC_OFFSET), 6); -#endif /* CONFIG_440GP */ - - decompress_kernel(load_addr, num_words, cksum); - - return (void *)hold_residual; -} |
