^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * PS3 bootwrapper support.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2007 Sony Computer Entertainment Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright 2007 Sony Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <stdarg.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <stddef.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "types.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include "elf.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include "string.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "stdio.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "page.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "ops.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern int lv1_panic(u64 in_1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) extern int lv1_get_logical_partition_id(u64 *out_1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) extern int lv1_get_logical_ppe_id(u64 *out_1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) extern int lv1_get_repository_node_value(u64 in_1, u64 in_2, u64 in_3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) u64 in_4, u64 in_5, u64 *out_1, u64 *out_2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #ifdef DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define DBG(fmt...) printf(fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static inline int __attribute__ ((format (printf, 1, 2))) DBG(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) const char *fmt, ...) {return 0;}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) BSS_STACK(4096);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* A buffer that may be edited by tools operating on a zImage binary so as to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * edit the command line passed to vmlinux (by setting /chosen/bootargs).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * The buffer is put in it's own section so that tools may locate it easier.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static char cmdline[BOOT_COMMAND_LINE_SIZE]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) __attribute__((__section__("__builtin_cmdline")));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) static void prep_cmdline(void *chosen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) if (cmdline[0] == '\0')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) getprop(chosen, "bootargs", cmdline, BOOT_COMMAND_LINE_SIZE-1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) setprop_str(chosen, "bootargs", cmdline);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) printf("cmdline: '%s'\n", cmdline);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) static void ps3_console_write(const char *buf, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) static void ps3_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) printf("ps3_exit\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) /* lv1_panic will shutdown the lpar. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) lv1_panic(0); /* zero = do not reboot */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) while (1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) static int ps3_repository_read_rm_size(u64 *rm_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) int result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) u64 lpar_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) u64 ppe_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) u64 v2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) result = lv1_get_logical_partition_id(&lpar_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) result = lv1_get_logical_ppe_id(&ppe_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) if (result)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * n1: 0000000062690000 : ....bi..
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) * n2: 7075000000000000 : pu......
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * n3: 0000000000000001 : ........
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) * n4: 726d5f73697a6500 : rm_size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) result = lv1_get_repository_node_value(lpar_id, 0x0000000062690000ULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) 0x7075000000000000ULL, ppe_id, 0x726d5f73697a6500ULL, rm_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) &v2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) printf("%s:%d: ppe_id %lu \n", __func__, __LINE__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) (unsigned long)ppe_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) printf("%s:%d: lpar_id %lu \n", __func__, __LINE__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) (unsigned long)lpar_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) printf("%s:%d: rm_size %llxh \n", __func__, __LINE__, *rm_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return result ? -1 : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) void ps3_copy_vectors(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) extern char __system_reset_kernel[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) memcpy((void *)0x100, __system_reset_kernel, 512);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) flush_cache((void *)0x100, 512);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) void platform_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) void *chosen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) unsigned long ft_addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) u64 rm_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) console_ops.write = ps3_console_write;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) platform_ops.exit = ps3_exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) printf("\n-- PS3 bootwrapper --\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) simple_alloc_init(_end, heapsize, 32, 64);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) fdt_init(_dtb_start);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) chosen = finddevice("/chosen");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) ps3_repository_read_rm_size(&rm_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) dt_fixup_memory(0, rm_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) if (&_initrd_end > &_initrd_start) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) setprop_val(chosen, "linux,initrd-start", (u32)(_initrd_start));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) setprop_val(chosen, "linux,initrd-end", (u32)(_initrd_end));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) prep_cmdline(chosen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) ft_addr = dt_ops.finalize();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) ps3_copy_vectors();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) printf(" flat tree at 0x%lx\n\r", ft_addr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) ((kernel_entry_t)0)(ft_addr, 0, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) ps3_exit();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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