diff options
Diffstat (limited to 'arch/powerpc/boot')
-rw-r--r-- | arch/powerpc/boot/Makefile | 2 | ||||
-rw-r--r-- | arch/powerpc/boot/addRamDisk.c | 311 | ||||
-rw-r--r-- | arch/powerpc/boot/dts/lite5200.dts | 28 | ||||
-rw-r--r-- | arch/powerpc/boot/dts/lite5200b.dts | 5 |
4 files changed, 32 insertions, 314 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index ad0df7d0a64..fae8192c8fc 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -141,7 +141,7 @@ $(patsubst %.S,%.o, $(filter %.S, $(src-boot))): %.o: %.S FORCE $(obj)/wrapper.a: $(obj-wlib) FORCE $(call if_changed,bootar) -hostprogs-y := addnote addRamDisk hack-coff mktree +hostprogs-y := addnote hack-coff mktree targets += $(patsubst $(obj)/%,%,$(obj-boot) wrapper.a) extra-y := $(obj)/wrapper.a $(obj-plat) $(obj)/empty.o \ diff --git a/arch/powerpc/boot/addRamDisk.c b/arch/powerpc/boot/addRamDisk.c deleted file mode 100644 index 893f446cbd2..00000000000 --- a/arch/powerpc/boot/addRamDisk.c +++ /dev/null @@ -1,311 +0,0 @@ -#include <stdio.h> -#include <stdlib.h> -#include <netinet/in.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <string.h> -#include <elf.h> - -#define ElfHeaderSize (64 * 1024) -#define ElfPages (ElfHeaderSize / 4096) -#define KERNELBASE (0xc000000000000000) -#define _ALIGN_UP(addr,size) (((addr)+((size)-1))&(~((size)-1))) - -struct addr_range { - unsigned long long addr; - unsigned long memsize; - unsigned long offset; -}; - -static int check_elf64(void *p, int size, struct addr_range *r) -{ - Elf64_Ehdr *elf64 = p; - Elf64_Phdr *elf64ph; - - if (elf64->e_ident[EI_MAG0] != ELFMAG0 || - elf64->e_ident[EI_MAG1] != ELFMAG1 || - elf64->e_ident[EI_MAG2] != ELFMAG2 || - elf64->e_ident[EI_MAG3] != ELFMAG3 || - elf64->e_ident[EI_CLASS] != ELFCLASS64 || - elf64->e_ident[EI_DATA] != ELFDATA2MSB || - elf64->e_type != ET_EXEC || elf64->e_machine != EM_PPC64) - return 0; - - if ((elf64->e_phoff + sizeof(Elf64_Phdr)) > size) - return 0; - - elf64ph = (Elf64_Phdr *) ((unsigned long)elf64 + - (unsigned long)elf64->e_phoff); - - r->memsize = (unsigned long)elf64ph->p_memsz; - r->offset = (unsigned long)elf64ph->p_offset; - r->addr = (unsigned long long)elf64ph->p_vaddr; - -#ifdef DEBUG - printf("PPC64 ELF file, ph:\n"); - printf("p_type 0x%08x\n", elf64ph->p_type); - printf("p_flags 0x%08x\n", elf64ph->p_flags); - printf("p_offset 0x%016llx\n", elf64ph->p_offset); - printf("p_vaddr 0x%016llx\n", elf64ph->p_vaddr); - printf("p_paddr 0x%016llx\n", elf64ph->p_paddr); - printf("p_filesz 0x%016llx\n", elf64ph->p_filesz); - printf("p_memsz 0x%016llx\n", elf64ph->p_memsz); - printf("p_align 0x%016llx\n", elf64ph->p_align); - printf("... skipping 0x%08lx bytes of ELF header\n", - (unsigned long)elf64ph->p_offset); -#endif - - return 64; -} -static void get4k(FILE *file, char *buf ) -{ - unsigned j; - unsigned num = fread(buf, 1, 4096, file); - for ( j=num; j<4096; ++j ) - buf[j] = 0; -} - -static void put4k(FILE *file, char *buf ) -{ - fwrite(buf, 1, 4096, file); -} - -static void death(const char *msg, FILE *fdesc, const char *fname) -{ - fprintf(stderr, msg); - fclose(fdesc); - unlink(fname); - exit(1); -} - -int main(int argc, char **argv) -{ - char inbuf[4096]; - struct addr_range vmlinux; - FILE *ramDisk; - FILE *inputVmlinux; - FILE *outputVmlinux; - - char *rd_name, *lx_name, *out_name; - - size_t i; - unsigned long ramFileLen; - unsigned long ramLen; - unsigned long roundR; - unsigned long offset_end; - - unsigned long kernelLen; - unsigned long actualKernelLen; - unsigned long round; - unsigned long roundedKernelLen; - unsigned long ramStartOffs; - unsigned long ramPages; - unsigned long roundedKernelPages; - unsigned long hvReleaseData; - u_int32_t eyeCatcher = 0xc8a5d9c4; - unsigned long naca; - unsigned long xRamDisk; - unsigned long xRamDiskSize; - long padPages; - - - if (argc < 2) { - fprintf(stderr, "Name of RAM disk file missing.\n"); - exit(1); - } - rd_name = argv[1]; - - if (argc < 3) { - fprintf(stderr, "Name of vmlinux file missing.\n"); - exit(1); - } - lx_name = argv[2]; - - if (argc < 4) { - fprintf(stderr, "Name of vmlinux output file missing.\n"); - exit(1); - } - out_name = argv[3]; - - - ramDisk = fopen(rd_name, "r"); - if ( ! ramDisk ) { - fprintf(stderr, "RAM disk file \"%s\" failed to open.\n", rd_name); - exit(1); - } - - inputVmlinux = fopen(lx_name, "r"); - if ( ! inputVmlinux ) { - fprintf(stderr, "vmlinux file \"%s\" failed to open.\n", lx_name); - exit(1); - } - - outputVmlinux = fopen(out_name, "w+"); - if ( ! outputVmlinux ) { - fprintf(stderr, "output vmlinux file \"%s\" failed to open.\n", out_name); - exit(1); - } - - i = fread(inbuf, 1, sizeof(inbuf), inputVmlinux); - if (i != sizeof(inbuf)) { - fprintf(stderr, "can not read vmlinux file %s: %u\n", lx_name, i); - exit(1); - } - - i = check_elf64(inbuf, sizeof(inbuf), &vmlinux); - if (i == 0) { - fprintf(stderr, "You must have a linux kernel specified as argv[2]\n"); - exit(1); - } - - /* Input Vmlinux file */ - fseek(inputVmlinux, 0, SEEK_END); - kernelLen = ftell(inputVmlinux); - fseek(inputVmlinux, 0, SEEK_SET); - printf("kernel file size = %lu\n", kernelLen); - - actualKernelLen = kernelLen - ElfHeaderSize; - - printf("actual kernel length (minus ELF header) = %lu\n", actualKernelLen); - - round = actualKernelLen % 4096; - roundedKernelLen = actualKernelLen; - if ( round ) - roundedKernelLen += (4096 - round); - printf("Vmlinux length rounded up to a 4k multiple = %ld/0x%lx \n", roundedKernelLen, roundedKernelLen); - roundedKernelPages = roundedKernelLen / 4096; - printf("Vmlinux pages to copy = %ld/0x%lx \n", roundedKernelPages, roundedKernelPages); - - offset_end = _ALIGN_UP(vmlinux.memsize, 4096); - /* calc how many pages we need to insert between the vmlinux and the start of the ram disk */ - padPages = offset_end/4096 - roundedKernelPages; - - /* Check and see if the vmlinux is already larger than _end in System.map */ - if (padPages < 0) { - /* vmlinux is larger than _end - adjust the offset to the start of the embedded ram disk */ - offset_end = roundedKernelLen; - printf("vmlinux is larger than _end indicates it needs to be - offset_end = %lx \n", offset_end); - padPages = 0; - printf("will insert %lx pages between the vmlinux and the start of the ram disk \n", padPages); - } - else { - /* _end is larger than vmlinux - use the offset to _end that we calculated from the system map */ - printf("vmlinux is smaller than _end indicates is needed - offset_end = %lx \n", offset_end); - printf("will insert %lx pages between the vmlinux and the start of the ram disk \n", padPages); - } - - - - /* Input Ram Disk file */ - // Set the offset that the ram disk will be started at. - ramStartOffs = offset_end; /* determined from the input vmlinux file and the system map */ - printf("Ram Disk will start at offset = 0x%lx \n", ramStartOffs); - - fseek(ramDisk, 0, SEEK_END); - ramFileLen = ftell(ramDisk); - fseek(ramDisk, 0, SEEK_SET); - printf("%s file size = %ld/0x%lx \n", rd_name, ramFileLen, ramFileLen); - - ramLen = ramFileLen; - - roundR = 4096 - (ramLen % 4096); - if ( roundR ) { - printf("Rounding RAM disk file up to a multiple of 4096, adding %ld/0x%lx \n", roundR, roundR); - ramLen += roundR; - } - - printf("Rounded RAM disk size is %ld/0x%lx \n", ramLen, ramLen); - ramPages = ramLen / 4096; - printf("RAM disk pages to copy = %ld/0x%lx\n", ramPages, ramPages); - - - - // Copy 64K ELF header - for (i=0; i<(ElfPages); ++i) { - get4k( inputVmlinux, inbuf ); - put4k( outputVmlinux, inbuf ); - } - - /* Copy the vmlinux (as full pages). */ - fseek(inputVmlinux, ElfHeaderSize, SEEK_SET); - for ( i=0; i<roundedKernelPages; ++i ) { - get4k( inputVmlinux, inbuf ); - put4k( outputVmlinux, inbuf ); - } - - /* Insert pad pages (if appropriate) that are needed between */ - /* | the end of the vmlinux and the ram disk. */ - for (i=0; i<padPages; ++i) { - memset(inbuf, 0, 4096); - put4k(outputVmlinux, inbuf); - } - - /* Copy the ram disk (as full pages). */ - for ( i=0; i<ramPages; ++i ) { - get4k( ramDisk, inbuf ); - put4k( outputVmlinux, inbuf ); - } - - /* Close the input files */ - fclose(ramDisk); - fclose(inputVmlinux); - /* And flush the written output file */ - fflush(outputVmlinux); - - - - /* Fixup the new vmlinux to contain the ram disk starting offset (xRamDisk) and the ram disk size (xRamDiskSize) */ - /* fseek to the hvReleaseData pointer */ - fseek(outputVmlinux, ElfHeaderSize + 0x24, SEEK_SET); - if (fread(&hvReleaseData, 4, 1, outputVmlinux) != 1) { - death("Could not read hvReleaseData pointer\n", outputVmlinux, out_name); - } - hvReleaseData = ntohl(hvReleaseData); /* Convert to native int */ - printf("hvReleaseData is at %08lx\n", hvReleaseData); - - /* fseek to the hvReleaseData */ - fseek(outputVmlinux, ElfHeaderSize + hvReleaseData, SEEK_SET); - if (fread(inbuf, 0x40, 1, outputVmlinux) != 1) { - death("Could not read hvReleaseData\n", outputVmlinux, out_name); - } - /* Check hvReleaseData sanity */ - if (memcmp(inbuf, &eyeCatcher, 4) != 0) { - death("hvReleaseData is invalid\n", outputVmlinux, out_name); - } - /* Get the naca pointer */ - naca = ntohl(*((u_int32_t*) &inbuf[0x0C])) - KERNELBASE; - printf("Naca is at offset 0x%lx \n", naca); - - /* fseek to the naca */ - fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET); - if (fread(inbuf, 0x18, 1, outputVmlinux) != 1) { - death("Could not read naca\n", outputVmlinux, out_name); - } - xRamDisk = ntohl(*((u_int32_t *) &inbuf[0x0c])); - xRamDiskSize = ntohl(*((u_int32_t *) &inbuf[0x14])); - /* Make sure a RAM disk isn't already present */ - if ((xRamDisk != 0) || (xRamDiskSize != 0)) { - death("RAM disk is already attached to this kernel\n", outputVmlinux, out_name); - } - /* Fill in the values */ - *((u_int32_t *) &inbuf[0x0c]) = htonl(ramStartOffs); - *((u_int32_t *) &inbuf[0x14]) = htonl(ramPages); - - /* Write out the new naca */ - fflush(outputVmlinux); - fseek(outputVmlinux, ElfHeaderSize + naca, SEEK_SET); - if (fwrite(inbuf, 0x18, 1, outputVmlinux) != 1) { - death("Could not write naca\n", outputVmlinux, out_name); - } - printf("Ram Disk of 0x%lx pages is attached to the kernel at offset 0x%08lx\n", - ramPages, ramStartOffs); - - /* Done */ - fclose(outputVmlinux); - /* Set permission to executable */ - chmod(out_name, S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH); - - return 0; -} - diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts index 82ff2b13bc3..179a1785d64 100644 --- a/arch/powerpc/boot/dts/lite5200.dts +++ b/arch/powerpc/boot/dts/lite5200.dts @@ -134,12 +134,16 @@ compatible = "fsl,mpc5200-gpio"; reg = <0xb00 0x40>; interrupts = <1 7 0>; + gpio-controller; + #gpio-cells = <2>; }; gpio@c00 { compatible = "fsl,mpc5200-gpio-wkup"; reg = <0xc00 0x40>; interrupts = <1 8 0 0 3 0>; + gpio-controller; + #gpio-cells = <2>; }; spi@f00 { @@ -230,8 +234,8 @@ reg = <0x3000 0x400>; // fec range, since we need to setup fec interrupts interrupts = <2 5 0>; // these are for "mii command finished", not link changes & co. - phy0: ethernet-phy@1 { - reg = <1>; + phy0: ethernet-phy@0 { + reg = <0>; }; }; @@ -255,7 +259,13 @@ compatible = "fsl,mpc5200-i2c","fsl-i2c"; reg = <0x3d40 0x40>; interrupts = <2 16 0>; + + eeprom@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + }; }; + sram@8000 { compatible = "fsl,mpc5200-sram"; reg = <0x8000 0x4000>; @@ -281,4 +291,18 @@ 0x02000000 0 0xa0000000 0xa0000000 0 0x10000000 0x01000000 0 0x00000000 0xb0000000 0 0x01000000>; }; + + localbus { + compatible = "fsl,mpc5200-lpb","simple-bus"; + #address-cells = <2>; + #size-cells = <1>; + + ranges = <0 0 0xff000000 0x01000000>; + + flash@0,0 { + compatible = "amd,am29lv652d", "cfi-flash"; + reg = <0 0 0x01000000>; + bank-width = <1>; + }; + }; }; diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts index e45a63be3a8..59702ace900 100644 --- a/arch/powerpc/boot/dts/lite5200b.dts +++ b/arch/powerpc/boot/dts/lite5200b.dts @@ -259,6 +259,11 @@ compatible = "fsl,mpc5200b-i2c","fsl,mpc5200-i2c","fsl-i2c"; reg = <0x3d40 0x40>; interrupts = <2 16 0>; + + eeprom@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + }; }; sram@8000 { |