diff options
Diffstat (limited to 'arch/powerpc/boot/prpmc2800.c')
| -rw-r--r-- | arch/powerpc/boot/prpmc2800.c | 571 |
1 files changed, 0 insertions, 571 deletions
diff --git a/arch/powerpc/boot/prpmc2800.c b/arch/powerpc/boot/prpmc2800.c deleted file mode 100644 index da31d6030482..000000000000 --- a/arch/powerpc/boot/prpmc2800.c +++ /dev/null @@ -1,571 +0,0 @@ -/* - * Motorola ECC prpmc280/f101 & prpmc2800/f101e platform code. - * - * Author: Mark A. Greer <mgreer@mvista.com> - * - * 2007 (c) MontaVista, Software, Inc. 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 <stdarg.h> -#include <stddef.h> -#include "types.h" -#include "elf.h" -#include "page.h" -#include "string.h" -#include "stdio.h" -#include "io.h" -#include "ops.h" -#include "gunzip_util.h" -#include "mv64x60.h" - -#define KB 1024U -#define MB (KB*KB) -#define GB (KB*MB) -#define MHz (1000U*1000U) -#define GHz (1000U*MHz) - -#define BOARD_MODEL "PrPMC2800" -#define BOARD_MODEL_MAX 32 /* max strlen(BOARD_MODEL) + 1 */ - -#define EEPROM2_ADDR 0xa4 -#define EEPROM3_ADDR 0xa8 - -BSS_STACK(16*KB); - -static u8 *bridge_base; - -typedef enum { - BOARD_MODEL_PRPMC280, - BOARD_MODEL_PRPMC2800, -} prpmc2800_board_model; - -typedef enum { - BRIDGE_TYPE_MV64360, - BRIDGE_TYPE_MV64362, -} prpmc2800_bridge_type; - -struct prpmc2800_board_info { - prpmc2800_board_model model; - char variant; - prpmc2800_bridge_type bridge_type; - u8 subsys0; - u8 subsys1; - u8 vpd4; - u8 vpd4_mask; - u32 core_speed; - u32 mem_size; - u32 boot_flash; - u32 user_flash; -}; - -static struct prpmc2800_board_info prpmc2800_board_info[] = { - { - .model = BOARD_MODEL_PRPMC280, - .variant = 'a', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xff, - .subsys1 = 0xff, - .vpd4 = 0x00, - .vpd4_mask = 0x0f, - .core_speed = 1*GHz, - .mem_size = 512*MB, - .boot_flash = 1*MB, - .user_flash = 64*MB, - }, - { - .model = BOARD_MODEL_PRPMC280, - .variant = 'b', - .bridge_type = BRIDGE_TYPE_MV64362, - .subsys0 = 0xff, - .subsys1 = 0xff, - .vpd4 = 0x01, - .vpd4_mask = 0x0f, - .core_speed = 1*GHz, - .mem_size = 512*MB, - .boot_flash = 0, - .user_flash = 0, - }, - { - .model = BOARD_MODEL_PRPMC280, - .variant = 'c', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xff, - .subsys1 = 0xff, - .vpd4 = 0x02, - .vpd4_mask = 0x0f, - .core_speed = 733*MHz, - .mem_size = 512*MB, - .boot_flash = 1*MB, - .user_flash = 64*MB, - }, - { - .model = BOARD_MODEL_PRPMC280, - .variant = 'd', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xff, - .subsys1 = 0xff, - .vpd4 = 0x03, - .vpd4_mask = 0x0f, - .core_speed = 1*GHz, - .mem_size = 1*GB, - .boot_flash = 1*MB, - .user_flash = 64*MB, - }, - { - .model = BOARD_MODEL_PRPMC280, - .variant = 'e', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xff, - .subsys1 = 0xff, - .vpd4 = 0x04, - .vpd4_mask = 0x0f, - .core_speed = 1*GHz, - .mem_size = 512*MB, - .boot_flash = 1*MB, - .user_flash = 64*MB, - }, - { - .model = BOARD_MODEL_PRPMC280, - .variant = 'f', - .bridge_type = BRIDGE_TYPE_MV64362, - .subsys0 = 0xff, - .subsys1 = 0xff, - .vpd4 = 0x05, - .vpd4_mask = 0x0f, - .core_speed = 733*MHz, - .mem_size = 128*MB, - .boot_flash = 1*MB, - .user_flash = 0, - }, - { - .model = BOARD_MODEL_PRPMC280, - .variant = 'g', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xff, - .subsys1 = 0xff, - .vpd4 = 0x06, - .vpd4_mask = 0x0f, - .core_speed = 1*GHz, - .mem_size = 256*MB, - .boot_flash = 1*MB, - .user_flash = 0, - }, - { - .model = BOARD_MODEL_PRPMC280, - .variant = 'h', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xff, - .subsys1 = 0xff, - .vpd4 = 0x07, - .vpd4_mask = 0x0f, - .core_speed = 1*GHz, - .mem_size = 1*GB, - .boot_flash = 1*MB, - .user_flash = 64*MB, - }, - { - .model = BOARD_MODEL_PRPMC2800, - .variant = 'a', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xb2, - .subsys1 = 0x8c, - .vpd4 = 0x00, - .vpd4_mask = 0x00, - .core_speed = 1*GHz, - .mem_size = 512*MB, - .boot_flash = 2*MB, - .user_flash = 64*MB, - }, - { - .model = BOARD_MODEL_PRPMC2800, - .variant = 'b', - .bridge_type = BRIDGE_TYPE_MV64362, - .subsys0 = 0xb2, - .subsys1 = 0x8d, - .vpd4 = 0x00, - .vpd4_mask = 0x00, - .core_speed = 1*GHz, - .mem_size = 512*MB, - .boot_flash = 0, - .user_flash = 0, - }, - { - .model = BOARD_MODEL_PRPMC2800, - .variant = 'c', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xb2, - .subsys1 = 0x8e, - .vpd4 = 0x00, - .vpd4_mask = 0x00, - .core_speed = 733*MHz, - .mem_size = 512*MB, - .boot_flash = 2*MB, - .user_flash = 64*MB, - }, - { - .model = BOARD_MODEL_PRPMC2800, - .variant = 'd', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xb2, - .subsys1 = 0x8f, - .vpd4 = 0x00, - .vpd4_mask = 0x00, - .core_speed = 1*GHz, - .mem_size = 1*GB, - .boot_flash = 2*MB, - .user_flash = 64*MB, - }, - { - .model = BOARD_MODEL_PRPMC2800, - .variant = 'e', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xa2, - .subsys1 = 0x8a, - .vpd4 = 0x00, - .vpd4_mask = 0x00, - .core_speed = 1*GHz, - .mem_size = 512*MB, - .boot_flash = 2*MB, - .user_flash = 64*MB, - }, - { - .model = BOARD_MODEL_PRPMC2800, - .variant = 'f', - .bridge_type = BRIDGE_TYPE_MV64362, - .subsys0 = 0xa2, - .subsys1 = 0x8b, - .vpd4 = 0x00, - .vpd4_mask = 0x00, - .core_speed = 733*MHz, - .mem_size = 128*MB, - .boot_flash = 2*MB, - .user_flash = 0, - }, - { - .model = BOARD_MODEL_PRPMC2800, - .variant = 'g', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xa2, - .subsys1 = 0x8c, - .vpd4 = 0x00, - .vpd4_mask = 0x00, - .core_speed = 1*GHz, - .mem_size = 2*GB, - .boot_flash = 2*MB, - .user_flash = 64*MB, - }, - { - .model = BOARD_MODEL_PRPMC2800, - .variant = 'h', - .bridge_type = BRIDGE_TYPE_MV64360, - .subsys0 = 0xa2, - .subsys1 = 0x8d, - .vpd4 = 0x00, - .vpd4_mask = 0x00, - .core_speed = 733*MHz, - .mem_size = 1*GB, - .boot_flash = 2*MB, - .user_flash = 64*MB, - }, -}; - -static struct prpmc2800_board_info *prpmc2800_get_board_info(u8 *vpd) -{ - struct prpmc2800_board_info *bip; - int i; - - for (i=0,bip=prpmc2800_board_info; i<ARRAY_SIZE(prpmc2800_board_info); - i++,bip++) - if ((vpd[0] == bip->subsys0) && (vpd[1] == bip->subsys1) - && ((vpd[4] & bip->vpd4_mask) == bip->vpd4)) - return bip; - - return NULL; -} - -/* Get VPD from i2c eeprom 2, then match it to a board info entry */ -static struct prpmc2800_board_info *prpmc2800_get_bip(void) -{ - struct prpmc2800_board_info *bip; - u8 vpd[5]; - int rc; - - if (mv64x60_i2c_open()) - fatal("Error: Can't open i2c device\n\r"); - - /* Get VPD from i2c eeprom-2 */ - memset(vpd, 0, sizeof(vpd)); - rc = mv64x60_i2c_read(EEPROM2_ADDR, vpd, 0x1fde, 2, sizeof(vpd)); - if (rc < 0) - fatal("Error: Couldn't read eeprom2\n\r"); - mv64x60_i2c_close(); - - /* Get board type & related info */ - bip = prpmc2800_get_board_info(vpd); - if (bip == NULL) { - printf("Error: Unsupported board or corrupted VPD:\n\r"); - printf(" 0x%x 0x%x 0x%x 0x%x 0x%x\n\r", - vpd[0], vpd[1], vpd[2], vpd[3], vpd[4]); - printf("Using device tree defaults...\n\r"); - } - - return bip; -} - -static void prpmc2800_bridge_setup(u32 mem_size) -{ - u32 i, v[12], enables, acc_bits; - u32 pci_base_hi, pci_base_lo, size, buf[2]; - unsigned long cpu_base; - int rc; - void *devp; - u8 *bridge_pbase, is_coherent; - struct mv64x60_cpu2pci_win *tbl; - - bridge_pbase = mv64x60_get_bridge_pbase(); - is_coherent = mv64x60_is_coherent(); - - if (is_coherent) - acc_bits = MV64x60_PCI_ACC_CNTL_SNOOP_WB - | MV64x60_PCI_ACC_CNTL_SWAP_NONE - | MV64x60_PCI_ACC_CNTL_MBURST_32_BYTES - | MV64x60_PCI_ACC_CNTL_RDSIZE_32_BYTES; - else - acc_bits = MV64x60_PCI_ACC_CNTL_SNOOP_NONE - | MV64x60_PCI_ACC_CNTL_SWAP_NONE - | MV64x60_PCI_ACC_CNTL_MBURST_128_BYTES - | MV64x60_PCI_ACC_CNTL_RDSIZE_256_BYTES; - - mv64x60_config_ctlr_windows(bridge_base, bridge_pbase, is_coherent); - mv64x60_config_pci_windows(bridge_base, bridge_pbase, 0, 0, mem_size, - acc_bits); - - /* Get the cpu -> pci i/o & mem mappings from the device tree */ - devp = find_node_by_compatible(NULL, "marvell,mv64360-pci"); - if (devp == NULL) - fatal("Error: Missing marvell,mv64360-pci" - " device tree node\n\r"); - - rc = getprop(devp, "ranges", v, sizeof(v)); - if (rc != sizeof(v)) - fatal("Error: Can't find marvell,mv64360-pci ranges" - " property\n\r"); - - /* Get the cpu -> pci i/o & mem mappings from the device tree */ - devp = find_node_by_compatible(NULL, "marvell,mv64360"); - if (devp == NULL) - fatal("Error: Missing marvell,mv64360 device tree node\n\r"); - - enables = in_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE)); - enables |= 0x0007fe00; /* Disable all cpu->pci windows */ - out_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE), enables); - - for (i=0; i<12; i+=6) { - switch (v[i] & 0xff000000) { - case 0x01000000: /* PCI I/O Space */ - tbl = mv64x60_cpu2pci_io; - break; - case 0x02000000: /* PCI MEM Space */ - tbl = mv64x60_cpu2pci_mem; - break; - default: - continue; - } - - pci_base_hi = v[i+1]; - pci_base_lo = v[i+2]; - cpu_base = v[i+3]; - size = v[i+5]; - - buf[0] = cpu_base; - buf[1] = size; - - if (!dt_xlate_addr(devp, buf, sizeof(buf), &cpu_base)) - fatal("Error: Can't translate PCI address 0x%x\n\r", - (u32)cpu_base); - - mv64x60_config_cpu2pci_window(bridge_base, 0, pci_base_hi, - pci_base_lo, cpu_base, size, tbl); - } - - enables &= ~0x00000600; /* Enable cpu->pci0 i/o, cpu->pci0 mem0 */ - out_le32((u32 *)(bridge_base + MV64x60_CPU_BAR_ENABLE), enables); -} - -static void prpmc2800_fixups(void) -{ - u32 v[2], l, mem_size; - int rc; - void *devp; - char model[BOARD_MODEL_MAX]; - struct prpmc2800_board_info *bip; - - bip = prpmc2800_get_bip(); /* Get board info based on VPD */ - - mem_size = (bip) ? bip->mem_size : mv64x60_get_mem_size(bridge_base); - prpmc2800_bridge_setup(mem_size); /* Do necessary bridge setup */ - - /* If the VPD doesn't match what we know about, just use the - * defaults already in the device tree. - */ - if (!bip) - return; - - /* Know the board type so override device tree defaults */ - /* Set /model appropriately */ - devp = finddevice("/"); - if (devp == NULL) - fatal("Error: Missing '/' device tree node\n\r"); - memset(model, 0, BOARD_MODEL_MAX); - strncpy(model, BOARD_MODEL, BOARD_MODEL_MAX - 2); - l = strlen(model); - if (bip->model == BOARD_MODEL_PRPMC280) - l--; - model[l++] = bip->variant; - model[l++] = '\0'; - setprop(devp, "model", model, l); - - /* Set /cpus/PowerPC,7447/clock-frequency */ - devp = find_node_by_prop_value_str(NULL, "device_type", "cpu"); - if (devp == NULL) - fatal("Error: Missing proper cpu device tree node\n\r"); - v[0] = bip->core_speed; - setprop(devp, "clock-frequency", &v[0], sizeof(v[0])); - - /* Set /memory/reg size */ - devp = finddevice("/memory"); - if (devp == NULL) - fatal("Error: Missing /memory device tree node\n\r"); - v[0] = 0; - v[1] = bip->mem_size; - setprop(devp, "reg", v, sizeof(v)); - - /* Update model, if this is a mv64362 */ - if (bip->bridge_type == BRIDGE_TYPE_MV64362) { - devp = find_node_by_compatible(NULL, "marvell,mv64360"); - if (devp == NULL) - fatal("Error: Missing marvell,mv64360" - " device tree node\n\r"); - setprop(devp, "model", "mv64362", strlen("mv64362") + 1); - } - - /* Set User FLASH size */ - devp = find_node_by_compatible(NULL, "direct-mapped"); - if (devp == NULL) - fatal("Error: Missing User FLASH device tree node\n\r"); - rc = getprop(devp, "reg", v, sizeof(v)); - if (rc != sizeof(v)) - fatal("Error: Can't find User FLASH reg property\n\r"); - v[1] = bip->user_flash; - setprop(devp, "reg", v, sizeof(v)); -} - -#define MV64x60_MPP_CNTL_0 0xf000 -#define MV64x60_MPP_CNTL_2 0xf008 -#define MV64x60_GPP_IO_CNTL 0xf100 -#define MV64x60_GPP_LEVEL_CNTL 0xf110 -#define MV64x60_GPP_VALUE_SET 0xf118 - -static void prpmc2800_reset(void) -{ - u32 temp; - - udelay(5000000); - - if (bridge_base != 0) { - temp = in_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_0)); - temp &= 0xFFFF0FFF; - out_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_0), temp); - - temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL)); - temp |= 0x00000004; - out_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL), temp); - - temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL)); - temp |= 0x00000004; - out_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL), temp); - - temp = in_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_2)); - temp &= 0xFFFF0FFF; - out_le32((u32 *)(bridge_base + MV64x60_MPP_CNTL_2), temp); - - temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL)); - temp |= 0x00080000; - out_le32((u32 *)(bridge_base + MV64x60_GPP_LEVEL_CNTL), temp); - - temp = in_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL)); - temp |= 0x00080000; - out_le32((u32 *)(bridge_base + MV64x60_GPP_IO_CNTL), temp); - - out_le32((u32 *)(bridge_base + MV64x60_GPP_VALUE_SET), - 0x00080004); - } - - for (;;); -} - -#define HEAP_SIZE (16*MB) -static struct gunzip_state gzstate; - -void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, - unsigned long r6, unsigned long r7) -{ - struct elf_info ei; - char *heap_start, *dtb; - int dt_size = _dtb_end - _dtb_start; - void *vmlinuz_addr = _vmlinux_start; - unsigned long vmlinuz_size = _vmlinux_end - _vmlinux_start; - char elfheader[256]; - - if (dt_size <= 0) /* No fdt */ - exit(); - - /* - * Start heap after end of the kernel (after decompressed to - * address 0) or the end of the zImage, whichever is higher. - * That's so things allocated by simple_alloc won't overwrite - * any part of the zImage and the kernel won't overwrite the dtb - * when decompressed & relocated. - */ - gunzip_start(&gzstate, vmlinuz_addr, vmlinuz_size); - gunzip_exactly(&gzstate, elfheader, sizeof(elfheader)); - - if (!parse_elf32(elfheader, &ei)) - exit(); - - heap_start = (char *)(ei.memsize + ei.elfoffset); /* end of kernel*/ - heap_start = max(heap_start, (char *)_end); /* end of zImage */ - - if ((unsigned)simple_alloc_init(heap_start, HEAP_SIZE, 2*KB, 16) - > (128*MB)) - exit(); - - /* Relocate dtb to safe area past end of zImage & kernel */ - dtb = malloc(dt_size); - if (!dtb) - exit(); - memmove(dtb, _dtb_start, dt_size); - fdt_init(dtb); - - bridge_base = mv64x60_get_bridge_base(); - - platform_ops.fixups = prpmc2800_fixups; - platform_ops.exit = prpmc2800_reset; - - if (serial_console_init() < 0) - exit(); -} - -/* _zimage_start called very early--need to turn off external interrupts */ -asm (" .globl _zimage_start\n\ - _zimage_start:\n\ - mfmsr 10\n\ - rlwinm 10,10,0,~(1<<15) /* Clear MSR_EE */\n\ - sync\n\ - mtmsr 10\n\ - isync\n\ - b _zimage_start_lib\n\ -"); |