ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/board/svm_sc8xx/flash.c b/marvell/uboot/board/svm_sc8xx/flash.c
new file mode 100644
index 0000000..8a04de8
--- /dev/null
+++ b/marvell/uboot/board/svm_sc8xx/flash.c
@@ -0,0 +1,666 @@
+/*
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+#ifndef CONFIG_ENV_ADDR
+#define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
+#endif
+
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS];
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static int write_word(flash_info_t *info, ulong dest, ulong data);
+
+#ifdef CONFIG_BOOT_8B
+static int my_in_8(unsigned char *addr);
+static void my_out_8(unsigned char *addr, int val);
+#endif
+#ifdef CONFIG_BOOT_16B
+static int my_in_be16(unsigned short *addr);
+static void my_out_be16(unsigned short *addr, int val);
+#endif
+#ifdef CONFIG_BOOT_32B
+static unsigned my_in_be32(unsigned *addr);
+static void my_out_be32(unsigned *addr, int val);
+#endif
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init(void)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ unsigned long size_b0, size_b1;
+ int i;
+
+ size_b0 = 0;
+ size_b1 = 0;
+ /* Init: no FLASHes known */
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i)
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+
+#ifdef CONFIG_SYS_DOC_BASE
+#ifndef CONFIG_FEL8xx_AT
+ /* 32k bytes */
+ memctl->memc_or5 = (0xffff8000 | CONFIG_SYS_OR_TIMING_DOC);
+ memctl->memc_br5 = CONFIG_SYS_DOC_BASE | 0x401;
+#else
+ /* 32k bytes */
+ memctl->memc_or3 = (0xffff8000 | CONFIG_SYS_OR_TIMING_DOC);
+ memctl->memc_br3 = CONFIG_SYS_DOC_BASE | 0x401;
+#endif
+#endif
+#if defined(CONFIG_BOOT_8B)
+ size_b0 = 0x80000; /* 512 K */
+
+ flash_info[0].flash_id = FLASH_MAN_AMD | FLASH_AM040;
+ flash_info[0].sector_count = 8;
+ flash_info[0].size = 0x00080000;
+
+ /* set up sector start address table */
+ for (i = 0; i < flash_info[0].sector_count; i++)
+ flash_info[0].start[i] = 0x40000000 + (i * 0x10000);
+
+ /* protect all sectors */
+ for (i = 0; i < flash_info[0].sector_count; i++)
+ flash_info[0].protect[i] = 0x1;
+
+#elif defined(CONFIG_BOOT_16B)
+ size_b0 = 0x400000; /* 4MB , assume AMD29LV320B */
+
+ flash_info[0].flash_id = FLASH_MAN_AMD | FLASH_AM320B;
+ flash_info[0].sector_count = 67;
+ flash_info[0].size = 0x00400000;
+
+ /* set up sector start address table */
+ flash_info[0].start[0] = 0x40000000;
+ flash_info[0].start[1] = 0x40000000 + 0x4000;
+ flash_info[0].start[2] = 0x40000000 + 0x6000;
+ flash_info[0].start[3] = 0x40000000 + 0x8000;
+
+ for (i = 4; i < flash_info[0].sector_count; i++) {
+ flash_info[0].start[i] =
+ 0x40000000 + 0x10000 + ((i - 4) * 0x10000);
+ }
+
+ /* protect all sectors */
+ for (i = 0; i < flash_info[0].sector_count; i++)
+ flash_info[0].protect[i] = 0x1;
+#endif
+
+#ifdef CONFIG_BOOT_32B
+
+ /* Static FLASH Bank configuration here - FIXME XXX */
+ size_b0 = flash_get_size((vu_long *) FLASH_BASE0_PRELIM,
+ &flash_info[0]);
+
+ if (flash_info[0].flash_id == FLASH_UNKNOWN) {
+ printf("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
+ size_b0, size_b0 << 20);
+ }
+
+ size_b1 = flash_get_size((vu_long *) FLASH_BASE1_PRELIM,
+ &flash_info[1]);
+
+ if (size_b1 > size_b0) {
+ printf("## ERROR: "
+ "Bank 1 (0x%08lx = %ld MB) > Bank 0 (0x%08lx = %ld MB)\n",
+ size_b1, size_b1 << 20, size_b0, size_b0 << 20);
+ flash_info[0].flash_id = FLASH_UNKNOWN;
+ flash_info[1].flash_id = FLASH_UNKNOWN;
+ flash_info[0].sector_count = -1;
+ flash_info[1].sector_count = -1;
+ flash_info[0].size = 0;
+ flash_info[1].size = 0;
+
+ return 0;
+ }
+
+ /* Remap FLASH according to real size */
+ memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH |
+ (-size_b0 & OR_AM_MSK);
+ memctl->memc_br0 = (CONFIG_SYS_FLASH_BASE & BR_BA_MSK) |
+ BR_MS_GPCM | BR_V;
+
+ /* Re-do sizing to get full correct info */
+ size_b0 = flash_get_size((vu_long *) CONFIG_SYS_FLASH_BASE,
+ &flash_info[0]);
+
+ flash_get_offsets(CONFIG_SYS_FLASH_BASE, &flash_info[0]);
+
+#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
+ /* monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CONFIG_SYS_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[0]);
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1, &flash_info[0]);
+#endif
+
+ if (size_b1) {
+ memctl->memc_or1 = CONFIG_SYS_OR_TIMING_FLASH |
+ (-size_b1 & 0xFFFF8000);
+ memctl->memc_br1 = ((CONFIG_SYS_FLASH_BASE +
+ size_b0) & BR_BA_MSK) | BR_MS_GPCM | BR_V;
+
+ /* Re-do sizing to get full correct info */
+ size_b1 = flash_get_size((vu_long *)(CONFIG_SYS_FLASH_BASE +
+ size_b0), &flash_info[1]);
+
+ flash_get_offsets(CONFIG_SYS_FLASH_BASE + size_b0,
+ &flash_info[1]);
+
+#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
+ /* monitor protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CONFIG_SYS_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[1]);
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ flash_protect(FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
+ &flash_info[1]);
+#endif
+ } else {
+ memctl->memc_br1 = 0; /* invalidate bank */
+
+ flash_info[1].flash_id = FLASH_UNKNOWN;
+ flash_info[1].sector_count = -1;
+ }
+
+ flash_info[0].size = size_b0;
+ flash_info[1].size = size_b1;
+
+
+#endif /* CONFIG_BOOT_32B */
+
+ return size_b0 + size_b1;
+}
+
+
+void flash_print_info(flash_info_t *info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD:
+ printf("AMD ");
+ break;
+ case FLASH_MAN_FUJ:
+ printf("FUJITSU ");
+ break;
+ default:
+ printf("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_AM400B:
+ printf("AM29LV400B (4 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM400T:
+ printf("AM29LV400T (4 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM800B:
+ printf("AM29LV800B (8 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM800T:
+ printf("AM29LV800T (8 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM160B:
+ printf("AM29LV160B (16 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM160T:
+ printf("AM29LV160T (16 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM320B:
+ printf("AM29LV320B (32 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM320T:
+ printf("AM29LV320T (32 Mbit, top boot sector)\n");
+ break;
+ default:
+ printf("Unknown Chip Type\n");
+ break;
+ }
+
+ printf(" Size: %ld MB in %d Sectors\n",
+ info->size >> 20, info->sector_count);
+
+ printf(" Sector Start Addresses:");
+ for (i = 0; i < info->sector_count; ++i) {
+ if ((i % 5) == 0)
+ printf("\n ");
+ printf(" %08lX%s",
+ info->start[i], info->protect[i] ? " (RO)" : " ");
+ }
+ printf("\n");
+ return;
+}
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+
+int flash_erase(flash_info_t *info, int s_first, int s_last)
+{
+ vu_long *addr = (vu_long *) (info->start[0]);
+ int flag, prot, sect, l_sect, in_mid, in_did;
+ ulong start, now, last;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN)
+ printf("- missing\n");
+ else
+ printf("- no sectors to erase\n");
+
+ return 1;
+ }
+
+ if ((info->flash_id == FLASH_UNKNOWN) ||
+ (info->flash_id > FLASH_AMD_COMP)) {
+ printf("Can't erase unknown flash type %08lx - aborted\n",
+ info->flash_id);
+ return 1;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect])
+ prot++;
+ }
+
+ if (prot) {
+ printf("- Warning: %d protected sectors will not be erased!\n",
+ prot);
+ } else {
+ printf("\n");
+ }
+
+ l_sect = -1;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+#if defined(CONFIG_BOOT_8B)
+ my_out_8((unsigned char *)((ulong)addr + 0x555), 0xaa);
+ my_out_8((unsigned char *)((ulong)addr + 0x2aa), 0x55);
+ my_out_8((unsigned char *)((ulong)addr + 0x555), 0x90);
+
+ in_mid = my_in_8((unsigned char *)addr);
+ in_did = my_in_8((unsigned char *)((ulong)addr + 1));
+
+ printf(" man ID=0x%x, dev ID=0x%x.\n", in_mid, in_did);
+
+ my_out_8((unsigned char *)addr, 0xf0);
+ udelay(1);
+
+ my_out_8((unsigned char *)((ulong)addr + 0x555), 0xaa);
+ my_out_8((unsigned char *)((ulong)addr + 0x2aa), 0x55);
+ my_out_8((unsigned char *)((ulong)addr + 0x555), 0x80);
+ my_out_8((unsigned char *)((ulong)addr + 0x555), 0xaa);
+ my_out_8((unsigned char *)((ulong)addr + 0x2aa), 0x55);
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (vu_long *) (info->start[sect]);
+ /*addr[0] = 0x00300030; */
+ my_out_8((unsigned char *)((ulong)addr), 0x30);
+ l_sect = sect;
+ }
+ }
+#elif defined(CONFIG_BOOT_16B)
+ my_out_be16((unsigned short *)((ulong)addr + (0xaaa)), 0xaa);
+ my_out_be16((unsigned short *)((ulong)addr + (0x554)), 0x55);
+ my_out_be16((unsigned short *)((ulong)addr + (0xaaa)), 0x90);
+ in_mid = my_in_be16((unsigned short *)addr);
+ in_did = my_in_be16((unsigned short *)((ulong)addr + 2));
+ printf(" man ID=0x%x, dev ID=0x%x.\n", in_mid, in_did);
+ my_out_be16((unsigned short *)addr, 0xf0);
+ udelay(1);
+ my_out_be16((unsigned short *)((ulong)addr + 0xaaa), 0xaa);
+ my_out_be16((unsigned short *)((ulong)addr + 0x554), 0x55);
+ my_out_be16((unsigned short *)((ulong)addr + 0xaaa), 0x80);
+ my_out_be16((unsigned short *)((ulong)addr + 0xaaa), 0xaa);
+ my_out_be16((unsigned short *)((ulong)addr + 0x554), 0x55);
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (vu_long *) (info->start[sect]);
+ my_out_be16((unsigned short *)((ulong)addr), 0x30);
+ l_sect = sect;
+ }
+ }
+
+#elif defined(CONFIG_BOOT_32B)
+ my_out_be32((unsigned *)((ulong)addr + 0x1554), 0xaa);
+ my_out_be32((unsigned *)((ulong)addr + 0xaa8), 0x55);
+ my_out_be32((unsigned *)((ulong)addr + 0x1554), 0x90);
+
+ in_mid = my_in_be32((unsigned *)addr);
+ in_did = my_in_be32((unsigned *)((ulong)addr + 4));
+
+ printf(" man ID=0x%x, dev ID=0x%x.\n", in_mid, in_did);
+
+ my_out_be32((unsigned *) addr, 0xf0);
+ udelay(1);
+
+ my_out_be32((unsigned *)((ulong)addr + 0x1554), 0xaa);
+ my_out_be32((unsigned *)((ulong)addr + 0xaa8), 0x55);
+ my_out_be32((unsigned *)((ulong)addr + 0x1554), 0x80);
+ my_out_be32((unsigned *)((ulong)addr + 0x1554), 0xaa);
+ my_out_be32((unsigned *)((ulong)addr + 0xaa8), 0x55);
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (vu_long *) (info->start[sect]);
+ my_out_be32((unsigned *)((ulong)addr), 0x00300030);
+ l_sect = sect;
+ }
+ }
+
+#else
+#error CONFIG_BOOT_(size)B missing.
+#endif
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay(1000);
+
+ /*
+ * We wait for the last triggered sector
+ */
+ if (l_sect < 0)
+ goto DONE;
+
+ start = get_timer(0);
+ last = start;
+ addr = (vu_long *) (info->start[l_sect]);
+#if defined(CONFIG_BOOT_8B)
+ while ((my_in_8((unsigned char *) addr) & 0x80) != 0x80)
+#elif defined(CONFIG_BOOT_16B)
+ while ((my_in_be16((unsigned short *) addr) & 0x0080) != 0x0080)
+#elif defined(CONFIG_BOOT_32B)
+ while ((my_in_be32((unsigned *) addr) & 0x00800080) != 0x00800080)
+#else
+#error CONFIG_BOOT_(size)B missing.
+#endif
+ {
+ now = get_timer(start);
+ if (now > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf("Timeout\n");
+ return 1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc('.');
+ last = now;
+ }
+ }
+DONE:
+ /* reset to read mode */
+ addr = (volatile unsigned long *) info->start[0];
+
+#if defined(CONFIG_BOOT_8B)
+ my_out_8((unsigned char *) addr, 0xf0);
+#elif defined(CONFIG_BOOT_16B)
+ my_out_be16((unsigned short *) addr, 0x00f0);
+#elif defined(CONFIG_BOOT_32B)
+ my_out_be32((unsigned *) addr, 0x00F000F0); /* reset bank */
+#else
+#error CONFIG_BOOT_(size)B missing.
+#endif
+ printf(" done\n");
+ return 0;
+}
+
+/*
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+
+int write_buff(flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+{
+ ulong cp, wp, data;
+ int i, l, rc;
+
+ wp = (addr & ~3); /* get lower word aligned address */
+
+ /*
+ * handle unaligned start bytes
+ */
+ l = addr - wp;
+
+ if (l != 0) {
+ data = 0;
+ for (i = 0, cp = wp; i < l; ++i, ++cp)
+ data = (data << 8) | (*(uchar *) cp);
+
+ for (; i < 4 && cnt > 0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt == 0 && i < 4; ++i, ++cp)
+ data = (data << 8) | (*(uchar *) cp);
+
+ rc = write_word(info, wp, data);
+
+ if (rc != 0)
+ return rc;
+
+ wp += 4;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 4) {
+ data = 0;
+ for (i = 0; i < 4; ++i)
+ data = (data << 8) | *src++;
+
+ rc = write_word(info, wp, data);
+
+ if (rc != 0)
+ return rc;
+
+ wp += 4;
+ cnt -= 4;
+ }
+
+ if (cnt == 0)
+ return 0;
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i < 4; ++i, ++cp)
+ data = (data << 8) | (*(uchar *) cp);
+
+ return write_word(info, wp, data);
+}
+
+/*
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word(flash_info_t *info, ulong dest, ulong data)
+{
+ ulong addr = (ulong) (info->start[0]);
+ ulong start;
+ int flag;
+ ulong i;
+ int data_short[2];
+
+ /* Check if Flash is (sufficiently) erased */
+ if (((ulong)*(ulong *)dest & data) != data)
+ return 2;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+#if defined(CONFIG_BOOT_8B)
+#ifdef DEBUG
+ {
+ int in_mid, in_did;
+
+ my_out_8((unsigned char *) (addr + 0x555), 0xaa);
+ my_out_8((unsigned char *) (addr + 0x2aa), 0x55);
+ my_out_8((unsigned char *) (addr + 0x555), 0x90);
+
+ in_mid = my_in_8((unsigned char *) addr);
+ in_did = my_in_8((unsigned char *) (addr + 1));
+
+ printf(" man ID=0x%x, dev ID=0x%x.\n", in_mid, in_did);
+
+ my_out_8((unsigned char *) addr, 0xf0);
+ udelay(1);
+ }
+#endif
+ {
+ int data_ch[4];
+
+ data_ch[0] = (int) ((data >> 24) & 0xff);
+ data_ch[1] = (int) ((data >> 16) & 0xff);
+ data_ch[2] = (int) ((data >> 8) & 0xff);
+ data_ch[3] = (int) (data & 0xff);
+
+ for (i = 0; i < 4; i++) {
+ my_out_8((unsigned char *) (addr + 0x555), 0xaa);
+ my_out_8((unsigned char *) (addr + 0x2aa), 0x55);
+ my_out_8((unsigned char *) (addr + 0x555), 0xa0);
+ my_out_8((unsigned char *) (dest + i), data_ch[i]);
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ start = get_timer(0);
+ while ((my_in_8((unsigned char *)(dest + i))) !=
+ (data_ch[i])) {
+ if (get_timer(start) >
+ CONFIG_SYS_FLASH_WRITE_TOUT) {
+ return 1;
+ }
+ }
+ } /* for */
+ }
+#elif defined(CONFIG_BOOT_16B)
+ data_short[0] = (int) (data >> 16) & 0xffff;
+ data_short[1] = (int) data & 0xffff;
+ for (i = 0; i < 2; i++) {
+ my_out_be16((unsigned short *)((ulong)addr + 0xaaa), 0xaa);
+ my_out_be16((unsigned short *)((ulong)addr + 0x554), 0x55);
+ my_out_be16((unsigned short *)((ulong)addr + 0xaaa), 0xa0);
+ my_out_be16((unsigned short *)(dest + (i * 2)),
+ data_short[i]);
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ start = get_timer(0);
+ while ((my_in_be16((unsigned short *)(dest + (i * 2)))) !=
+ (data_short[i])) {
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
+ return 1;
+ }
+ }
+#elif defined(CONFIG_BOOT_32B)
+ addr[0x0555] = 0x00AA00AA;
+ addr[0x02AA] = 0x00550055;
+ addr[0x0555] = 0x00A000A0;
+
+ *((vu_long *)dest) = data;
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* data polling for D7 */
+ start = get_timer(0);
+ while ((*((vu_long *)dest) & 0x00800080) != (data & 0x00800080)) {
+ if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT)
+ return 1;
+ }
+#endif
+ return 0;
+}
+
+#ifdef CONFIG_BOOT_8B
+static int my_in_8(unsigned char *addr)
+{
+ int ret;
+ __asm__ __volatile__("lbz%U1%X1 %0,%1; eieio":"=r"(ret):"m"(*addr));
+
+ return ret;
+}
+
+static void my_out_8(unsigned char *addr, int val)
+{
+ __asm__ __volatile__("stb%U0%X0 %1,%0; eieio":"=m"(*addr):"r"(val));
+}
+#endif
+#ifdef CONFIG_BOOT_16B
+static int my_in_be16(unsigned short *addr)
+{
+ int ret;
+ __asm__ __volatile__("lhz%U1%X1 %0,%1; eieio":"=r"(ret):"m"(*addr));
+
+ return ret;
+}
+
+static void my_out_be16(unsigned short *addr, int val)
+{
+ __asm__ __volatile__("sth%U0%X0 %1,%0; eieio":"=m"(*addr):"r"(val));
+}
+#endif
+#ifdef CONFIG_BOOT_32B
+static unsigned my_in_be32(unsigned *addr)
+{
+ unsigned ret;
+ __asm__ __volatile__("lwz%U1%X1 %0,%1; eieio":"=r"(ret):"m"(*addr));
+
+ return ret;
+}
+
+static void my_out_be32(unsigned *addr, int val)
+{
+ __asm__ __volatile__("stw%U0%X0 %1,%0; eieio":"=m"(*addr):"r"(val));
+}
+#endif