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-rw-r--r--qemu/roms/u-boot/board/sandburst/common/flash.c493
-rw-r--r--qemu/roms/u-boot/board/sandburst/common/sb_common.c349
-rw-r--r--qemu/roms/u-boot/board/sandburst/common/sb_common.h60
3 files changed, 902 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/sandburst/common/flash.c b/qemu/roms/u-boot/board/sandburst/common/flash.c
new file mode 100644
index 000000000..ad046bed6
--- /dev/null
+++ b/qemu/roms/u-boot/board/sandburst/common/flash.c
@@ -0,0 +1,493 @@
+/*
+ * (C) Copyright 2002-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2002 Jun Gu <jung@artesyncp.com>
+ * Add support for Am29F016D and dynamic switch setting.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+/*
+ * Ported from Ebony flash support
+ * Travis B. Sawyer
+ * Sandburst Corporation
+ */
+#include <common.h>
+#include <asm/ppc4xx.h>
+#include <asm/processor.h>
+
+
+#undef DEBUG
+#ifdef DEBUG
+#define DEBUGF(x...) printf(x)
+#else
+#define DEBUGF(x...)
+#endif /* DEBUG */
+
+
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+static unsigned long flash_addr_table[8][CONFIG_SYS_MAX_FLASH_BANKS] = {
+ {0xfff80000} /* Boot Flash */
+};
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long *addr, flash_info_t *info);
+static int write_word (flash_info_t *info, ulong dest, ulong data);
+
+
+#define ADDR0 0x5555
+#define ADDR1 0x2aaa
+#define FLASH_WORD_SIZE unsigned char
+
+
+/*-----------------------------------------------------------------------
+ */
+
+unsigned long flash_init (void)
+{
+ unsigned long total_b = 0;
+ unsigned long size_b[CONFIG_SYS_MAX_FLASH_BANKS];
+ unsigned short index = 0;
+ int i;
+
+
+ DEBUGF("\n");
+ DEBUGF("FLASH: Index: %d\n", index);
+
+ /* Init: no FLASHes known */
+ for (i=0; i<CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ flash_info[i].sector_count = -1;
+ flash_info[i].size = 0;
+
+ /* check whether the address is 0 */
+ if (flash_addr_table[index][i] == 0) {
+ continue;
+ }
+
+ /* call flash_get_size() to initialize sector address */
+ size_b[i] = flash_get_size(
+ (vu_long *)flash_addr_table[index][i], &flash_info[i]);
+ flash_info[i].size = size_b[i];
+ if (flash_info[i].flash_id == FLASH_UNKNOWN) {
+ printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
+ i, size_b[i], size_b[i]<<20);
+ flash_info[i].sector_count = -1;
+ flash_info[i].size = 0;
+ }
+
+ total_b += flash_info[i].size;
+ }
+
+ return total_b;
+}
+
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t *info)
+{
+ int i;
+ int k;
+ int size;
+ int erased;
+ volatile unsigned long *flash;
+
+ 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;
+ default: printf ("Unknown Vendor "); break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_AM040: printf ("AM29F040 (512 Kbit, uniform sector size)\n");
+ break;
+ default: printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ printf (" Size: %ld KB in %d Sectors\n",
+ info->size >> 10, info->sector_count);
+
+ printf (" Sector Start Addresses:");
+ for (i=0; i<info->sector_count; ++i) {
+ /*
+ * Check if whole sector is erased
+ */
+ if (i != (info->sector_count-1))
+ size = info->start[i+1] - info->start[i];
+ else
+ size = info->start[0] + info->size - info->start[i];
+ erased = 1;
+ flash = (volatile unsigned long *)info->start[i];
+ size = size >> 2; /* divide by 4 for longword access */
+ for (k=0; k<size; k++)
+ {
+ if (*flash++ != 0xffffffff)
+ {
+ erased = 0;
+ break;
+ }
+ }
+
+ if ((i % 5) == 0)
+ printf ("\n ");
+ printf (" %08lX%s%s",
+ info->start[i],
+ erased ? " E" : " ",
+ info->protect[i] ? "RO " : " "
+ );
+ }
+ printf ("\n");
+ return;
+ }
+
+/*-----------------------------------------------------------------------
+ */
+
+
+/*-----------------------------------------------------------------------
+ */
+
+/*
+ * The following code cannot be run from FLASH!
+ */
+static ulong flash_get_size (vu_long *addr, flash_info_t *info)
+{
+ short i;
+ FLASH_WORD_SIZE value;
+ ulong base = (ulong)addr;
+ volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *)addr;
+
+ DEBUGF("FLASH ADDR: %08x\n", (unsigned)addr );
+
+ /* Write auto select command: read Manufacturer ID */
+ udelay(10000);
+ addr2[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ udelay(1000);
+ addr2[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+ udelay(1000);
+ addr2[ADDR0] = (FLASH_WORD_SIZE)0x00900090;
+ udelay(1000);
+
+ value = addr2[0];
+
+ DEBUGF("FLASH MANUFACT: %x\n", value);
+
+ switch (value) {
+ case (FLASH_WORD_SIZE)AMD_MANUFACT:
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ return (0); /* no or unknown flash */
+ }
+
+ value = addr2[1]; /* device ID */
+
+ DEBUGF("\nFLASH DEVICEID: %x\n", value);
+
+ switch (value) {
+ case (FLASH_WORD_SIZE)AMD_ID_LV040B:
+ info->flash_id += FLASH_AM040;
+ info->sector_count = 8;
+ info->size = 0x00080000; /* => 512 kb */
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+
+ }
+
+ /* set up sector start address table */
+ if (info->flash_id == FLASH_AM040) {
+ for (i = 0; i < info->sector_count; i++)
+ info->start[i] = base + (i * 0x00010000);
+ } else {
+ if (info->flash_id & FLASH_BTYPE) {
+ /* set sector offsets for bottom boot block type */
+ info->start[0] = base + 0x00000000;
+ info->start[1] = base + 0x00004000;
+ info->start[2] = base + 0x00006000;
+ info->start[3] = base + 0x00008000;
+ for (i = 4; i < info->sector_count; i++) {
+ info->start[i] = base + (i * 0x00010000) - 0x00030000;
+ }
+ } else {
+ /* set sector offsets for top boot block type */
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00004000;
+ info->start[i--] = base + info->size - 0x00006000;
+ info->start[i--] = base + info->size - 0x00008000;
+ for (; i >= 0; i--) {
+ info->start[i] = base + i * 0x00010000;
+ }
+ }
+ }
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++) {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ addr2 = (volatile FLASH_WORD_SIZE *)(info->start[i]);
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST)
+ info->protect[i] = 0;
+ else
+ info->protect[i] = addr2[2] & 1;
+ }
+
+ /* reset to return to reading data */
+ addr2[0] = (FLASH_WORD_SIZE) 0x00F000F0; /* reset bank */
+
+ /*
+ * Prevent writes to uninitialized FLASH.
+ */
+ if (info->flash_id != FLASH_UNKNOWN) {
+ addr2 = (FLASH_WORD_SIZE *)info->start[0];
+ *addr2 = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
+ }
+
+ return (info->size);
+}
+
+int wait_for_DQ7(flash_info_t *info, int sect)
+{
+ ulong start, now, last;
+ volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[sect]);
+
+ start = get_timer (0);
+ last = start;
+ while ((addr[0] & (FLASH_WORD_SIZE)0x00800080) != (FLASH_WORD_SIZE)0x00800080) {
+ if ((now = get_timer(start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ return -1;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc ('.');
+ last = now;
+ }
+ }
+ return 0;
+}
+
+/*-----------------------------------------------------------------------
+ */
+
+int flash_erase (flash_info_t *info, int s_first, int s_last)
+{
+ volatile FLASH_WORD_SIZE *addr = (FLASH_WORD_SIZE *)(info->start[0]);
+ volatile FLASH_WORD_SIZE *addr2;
+ int flag, prot, sect;
+ int i;
+
+ 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) {
+ printf ("Can't erase unknown flash type - aborted\n");
+ 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");
+ }
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts();
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect<=s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr2 = (FLASH_WORD_SIZE *)(info->start[sect]);
+ DEBUGF("Erasing sector %p\n", addr2);
+
+ if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_SST) {
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+ addr2[0] = (FLASH_WORD_SIZE)0x00500050; /* block erase */
+ for (i=0; i<50; i++)
+ udelay(1000); /* wait 1 ms */
+ } else {
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00800080;
+ addr[ADDR0] = (FLASH_WORD_SIZE)0x00AA00AA;
+ addr[ADDR1] = (FLASH_WORD_SIZE)0x00550055;
+ addr2[0] = (FLASH_WORD_SIZE)0x00300030; /* sector erase */
+ }
+ /*
+ * Wait for each sector to complete, it's more
+ * reliable. According to AMD Spec, you must
+ * issue all erase commands within a specified
+ * timeout. This has been seen to fail, especially
+ * if printf()s are included (for debug)!!
+ */
+ wait_for_DQ7(info, sect);
+ }
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+
+ /* reset to read mode */
+ addr = (FLASH_WORD_SIZE *)info->start[0];
+ addr[0] = (FLASH_WORD_SIZE)0x00F000F0; /* reset bank */
+
+ 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
+ */
+ if ((l = addr - wp) != 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);
+ }
+
+ if ((rc = write_word(info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 4) {
+ data = 0;
+ for (i=0; i<4; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_word(info, wp, data)) != 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)
+{
+ volatile FLASH_WORD_SIZE *addr2 = (FLASH_WORD_SIZE *) (info->start[0]);
+ volatile FLASH_WORD_SIZE *dest2 = (FLASH_WORD_SIZE *) dest;
+ volatile FLASH_WORD_SIZE *data2 = (FLASH_WORD_SIZE *) & data;
+ ulong start;
+ int i;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*((volatile FLASH_WORD_SIZE *) dest) &
+ (FLASH_WORD_SIZE) data) != (FLASH_WORD_SIZE) data) {
+ return (2);
+ }
+
+ for (i = 0; i < 4 / sizeof (FLASH_WORD_SIZE); i++) {
+ int flag;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00AA00AA;
+ addr2[ADDR1] = (FLASH_WORD_SIZE) 0x00550055;
+ addr2[ADDR0] = (FLASH_WORD_SIZE) 0x00A000A0;
+
+ dest2[i] = data2[i];
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((dest2[i] & (FLASH_WORD_SIZE) 0x00800080) !=
+ (data2[i] & (FLASH_WORD_SIZE) 0x00800080)) {
+
+ if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ return (1);
+ }
+ }
+ }
+
+ return (0);
+}
diff --git a/qemu/roms/u-boot/board/sandburst/common/sb_common.c b/qemu/roms/u-boot/board/sandburst/common/sb_common.c
new file mode 100644
index 000000000..c23ef5054
--- /dev/null
+++ b/qemu/roms/u-boot/board/sandburst/common/sb_common.c
@@ -0,0 +1,349 @@
+/*
+ * Copyright (C) 2005 Sandburst Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <config.h>
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <spd_sdram.h>
+#include <i2c.h>
+#include "sb_common.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+long int fixed_sdram (void);
+
+/*************************************************************************
+ * metrobox_get_master
+ *
+ * PRI_N - active low signal. If the GPIO pin is low we are the master
+ *
+ ************************************************************************/
+int sbcommon_get_master(void)
+{
+ ppc440_gpio_regs_t *gpio_regs;
+
+ gpio_regs = (ppc440_gpio_regs_t *)CONFIG_SYS_GPIO_BASE;
+
+ if (gpio_regs->in & SBCOMMON_GPIO_PRI_N) {
+ return 0;
+ }
+ else {
+ return 1;
+ }
+}
+
+/*************************************************************************
+ * metrobox_secondary_present
+ *
+ * Figure out if secondary/slave board is present
+ *
+ ************************************************************************/
+int sbcommon_secondary_present(void)
+{
+ ppc440_gpio_regs_t *gpio_regs;
+
+ gpio_regs = (ppc440_gpio_regs_t *)CONFIG_SYS_GPIO_BASE;
+
+ if (gpio_regs->in & SBCOMMON_GPIO_SEC_PRES)
+ return 0;
+ else
+ return 1;
+}
+
+/*************************************************************************
+ * sbcommon_get_serial_number
+ *
+ * Retrieve the board serial number via the mac address in eeprom
+ *
+ ************************************************************************/
+unsigned short sbcommon_get_serial_number(void)
+{
+ unsigned char buff[0x100];
+ unsigned short sernum;
+
+ /* Get the board serial number from eeprom */
+ /* Initialize I2C */
+ i2c_set_bus_num(0);
+
+ /* Read 256 bytes in EEPROM */
+ i2c_read (0x50, 0, 1, buff, 0x100);
+
+ memcpy(&sernum, &buff[0xF4], 2);
+ sernum /= 32;
+
+ return (sernum);
+}
+
+/*************************************************************************
+ * sbcommon_fans
+ *
+ * Spin up fans 2 & 3 to get some air moving. OS will take care
+ * of the rest. This is mostly a precaution...
+ *
+ * Assumes i2c bus 1 is ready.
+ *
+ ************************************************************************/
+void sbcommon_fans(void)
+{
+ /*
+ * Attempt to turn on 2 of the fans...
+ * Need to go through the bridge
+ */
+ i2c_set_bus_num(1);
+ puts ("FANS: ");
+
+ /* select fan4 through the bridge */
+ i2c_reg_write(0x73, /* addr */
+ 0x00, /* reg */
+ 0x08); /* val = bus 4 */
+
+ /* Turn on FAN 4 */
+ i2c_reg_write(0x2e,
+ 1,
+ 0x80);
+
+ i2c_reg_write(0x2e,
+ 0,
+ 0x19);
+
+ /* Deselect bus 4 on the bridge */
+ i2c_reg_write(0x73,
+ 0x00,
+ 0x00);
+
+ /* select fan3 through the bridge */
+ i2c_reg_write(0x73, /* addr */
+ 0x00, /* reg */
+ 0x04); /* val = bus 3 */
+
+ /* Turn on FAN 3 */
+ i2c_reg_write(0x2e,
+ 1,
+ 0x80);
+
+ i2c_reg_write(0x2e,
+ 0,
+ 0x19);
+
+ /* Deselect bus 3 on the bridge */
+ i2c_reg_write(0x73,
+ 0x00,
+ 0x00);
+
+ /* select fan2 through the bridge */
+ i2c_reg_write(0x73, /* addr */
+ 0x00, /* reg */
+ 0x02); /* val = bus 4 */
+
+ /* Turn on FAN 2 */
+ i2c_reg_write(0x2e,
+ 1,
+ 0x80);
+
+ i2c_reg_write(0x2e,
+ 0,
+ 0x19);
+
+ /* Deselect bus 2 on the bridge */
+ i2c_reg_write(0x73,
+ 0x00,
+ 0x00);
+
+ /* select fan1 through the bridge */
+ i2c_reg_write(0x73, /* addr */
+ 0x00, /* reg */
+ 0x01); /* val = bus 0 */
+
+ /* Turn on FAN 1 */
+ i2c_reg_write(0x2e,
+ 1,
+ 0x80);
+
+ i2c_reg_write(0x2e,
+ 0,
+ 0x19);
+
+ /* Deselect bus 1 on the bridge */
+ i2c_reg_write(0x73,
+ 0x00,
+ 0x00);
+
+ puts ("on\n");
+ i2c_set_bus_num(0);
+
+ return;
+
+}
+
+/*************************************************************************
+ * initdram
+ *
+ * Initialize sdram
+ *
+ ************************************************************************/
+phys_size_t initdram (int board_type)
+{
+ long dram_size = 0;
+
+#if defined(CONFIG_SPD_EEPROM)
+ dram_size = spd_sdram ();
+#else
+ dram_size = fixed_sdram ();
+#endif
+ return dram_size;
+}
+
+
+/*************************************************************************
+ * testdram
+ *
+ *
+ ************************************************************************/
+#if defined(CONFIG_SYS_DRAM_TEST)
+int testdram (void)
+{
+ uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
+ uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
+ uint *p;
+
+ printf("Testing SDRAM: ");
+ for (p = pstart; p < pend; p++)
+ *p = 0xaaaaaaaa;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0xaaaaaaaa) {
+ printf ("SDRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ for (p = pstart; p < pend; p++)
+ *p = 0x55555555;
+
+ for (p = pstart; p < pend; p++) {
+ if (*p != 0x55555555) {
+ printf ("SDRAM test fails at: %08x\n", (uint) p);
+ return 1;
+ }
+ }
+
+ printf("OK\n");
+ return 0;
+}
+#endif
+
+#if !defined(CONFIG_SPD_EEPROM)
+/*************************************************************************
+ * fixed sdram init -- doesn't use serial presence detect.
+ *
+ * Assumes: 128 MB, non-ECC, non-registered
+ * PLB @ 133 MHz
+ *
+ ************************************************************************/
+long int fixed_sdram (void)
+{
+ uint reg;
+
+ /*--------------------------------------------------------------------
+ * Setup some default
+ *------------------------------------------------------------------*/
+ mtsdram (SDRAM0_UABBA, 0x00000000); /* ubba=0 (default) */
+ mtsdram (SDRAM0_SLIO, 0x00000000); /* rdre=0 wrre=0 rarw=0 */
+ mtsdram (SDRAM0_DEVOPT, 0x00000000); /* dll=0 ds=0 (normal) */
+ mtsdram (SDRAM0_WDDCTR, 0x00000000); /* wrcp=0 dcd=0 */
+ mtsdram (SDRAM0_CLKTR, 0x40000000); /* clkp=1 (90 deg wr) dcdt=0 */
+
+ /*--------------------------------------------------------------------
+ * Setup for board-specific specific mem
+ *------------------------------------------------------------------*/
+ /*
+ * Following for CAS Latency = 2.5 @ 133 MHz PLB
+ */
+ mtsdram (SDRAM0_B0CR, 0x000a4001); /* SDBA=0x000 128MB, Mode 3, enabled */
+ mtsdram (SDRAM0_TR0, 0x410a4012); /* WR=2 WD=1 CL=2.5 PA=3 CP=4 LD=2 */
+ /* RA=10 RD=3 */
+ mtsdram (SDRAM0_TR1, 0x8080082f); /* SS=T2 SL=STAGE 3 CD=1 CT=0x02f */
+ mtsdram (SDRAM0_RTR, 0x08200000); /* Rate 15.625 ns @ 133 MHz PLB */
+ mtsdram (SDRAM0_CFG1, 0x00000000); /* Self-refresh exit, disable PM */
+ udelay (400); /* Delay 200 usecs (min) */
+
+ /*--------------------------------------------------------------------
+ * Enable the controller, then wait for DCEN to complete
+ *------------------------------------------------------------------*/
+ mtsdram (SDRAM0_CFG0, 0x86000000); /* DCEN=1, PMUD=1, 64-bit */
+ for (;;) {
+ mfsdram (SDRAM0_MCSTS, reg);
+ if (reg & 0x80000000)
+ break;
+ }
+
+ return (128 * 1024 * 1024); /* 128 MB */
+}
+#endif /* !defined(CONFIG_SPD_EEPROM) */
+
+/*************************************************************************
+ * board_get_enetaddr
+ *
+ * Get the ethernet MAC address for the management ethernet from the
+ * strap EEPROM. Note that is the BASE address for the range of
+ * external ethernet MACs on the board. The base + 31 is the actual
+ * mgmt mac address.
+ *
+ ************************************************************************/
+
+void board_get_enetaddr(int macaddr_idx, uchar *enet)
+{
+ int i;
+ unsigned short tmp;
+ unsigned char buff[0x100], *cp;
+
+ if (0 == macaddr_idx) {
+
+ /* Initialize I2C */
+ i2c_set_bus_num(0);
+
+ /* Read 256 bytes in EEPROM */
+ i2c_read (0x50, 0, 1, buff, 0x100);
+
+ cp = &buff[0xF0];
+
+ for (i = 0; i < 6; i++,cp++)
+ enet[i] = *cp;
+
+ memcpy(&tmp, &enet[4], 2);
+ tmp += 31;
+ memcpy(&enet[4], &tmp, 2);
+
+ } else {
+ enet[0] = 0x02;
+ enet[1] = 0x00;
+ enet[2] = 0x00;
+ enet[3] = 0x00;
+ enet[4] = 0x00;
+ if (1 == sbcommon_get_master() ) {
+ /* Master/Primary card */
+ enet[5] = 0x01;
+ } else {
+ /* Slave/Secondary card */
+ enet [5] = 0x02;
+ }
+ }
+
+ return;
+}
+
+#ifdef CONFIG_POST
+/*
+ * Returns 1 if keys pressed to start the power-on long-running tests
+ * Called from board_init_f().
+ */
+int post_hotkeys_pressed(void)
+{
+
+ return (ctrlc());
+}
+#endif
diff --git a/qemu/roms/u-boot/board/sandburst/common/sb_common.h b/qemu/roms/u-boot/board/sandburst/common/sb_common.h
new file mode 100644
index 000000000..57406335b
--- /dev/null
+++ b/qemu/roms/u-boot/board/sandburst/common/sb_common.h
@@ -0,0 +1,60 @@
+#ifndef __SBCOMMON_H__
+#define __SBCOMMON_H__
+/*
+ * Copyright (C) 2005 Sandburst Corporation
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#include <config.h>
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <spd_sdram.h>
+#include <i2c.h>
+
+/*
+ * GPIO Settings
+ */
+/* Chassis settings */
+#define SBCOMMON_GPIO_PRI_N 0x00001000 /* 0 = Chassis Master, 1 = Slave */
+#define SBCOMMON_GPIO_SEC_PRES 0x00000800 /* 1 = Other board present */
+
+/* Debug LEDs */
+#define SBCOMMON_GPIO_DBGLED_0 0x00000400
+#define SBCOMMON_GPIO_DBGLED_1 0x00000200
+#define SBCOMMON_GPIO_DBGLED_2 0x00100000
+#define SBCOMMON_GPIO_DBGLED_3 0x00000100
+
+#define SBCOMMON_GPIO_DBGLEDS (SBCOMMON_GPIO_DBGLED_0 | \
+ SBCOMMON_GPIO_DBGLED_1 | \
+ SBCOMMON_GPIO_DBGLED_2 | \
+ SBCOMMON_GPIO_DBGLED_3)
+
+#define SBCOMMON_GPIO_SYS_FAULT 0x00000080
+#define SBCOMMON_GPIO_SYS_OTEMP 0x00000040
+#define SBCOMMON_GPIO_SYS_STATUS 0x00000020
+
+#define SBCOMMON_GPIO_SYS_LEDS (SBCOMMON_GPIO_SYS_STATUS)
+
+#define SBCOMMON_GPIO_LEDS (SBCOMMON_GPIO_DBGLED_0 | \
+ SBCOMMON_GPIO_DBGLED_1 | \
+ SBCOMMON_GPIO_DBGLED_2 | \
+ SBCOMMON_GPIO_DBGLED_3 | \
+ SBCOMMON_GPIO_SYS_STATUS)
+
+typedef struct ppc440_gpio_regs {
+ volatile unsigned long out;
+ volatile unsigned long tri_state;
+ volatile unsigned long dummy[4];
+ volatile unsigned long open_drain;
+ volatile unsigned long in;
+} __attribute__((packed)) ppc440_gpio_regs_t;
+
+int sbcommon_get_master(void);
+int sbcommon_secondary_present(void);
+unsigned short sbcommon_get_serial_number(void);
+void sbcommon_fans(void);
+void board_get_enetaddr(int macaddr_idx, uchar *enet);
+
+#endif /* __SBCOMMON_H__ */