#include <common.h>
#include <mpc5xxx.h>
#include <pci.h>
+#include <asm/processor.h>
-//###CHD: es gibt eigentlich kein DDR bei uns -> weg damit!; dto. PCI!
-#if defined(CONFIG_MPC5200_DDR)
-#include "mt46v16m16-75.h"
+/* Two MT48LC8M32B2 for 32 MB */
+/* #include "mt48lc8m32b2-6-7.h" */
+
+/* One MT48LC16M32S2 for 64 MB */
+/* #include "mt48lc16m32s2-75.h" */
+#if defined (CONFIG_MCC200_SDRAM)
+#include "mt48lc16m16a2-75.h"
#else
-//#include "mt48lc16m16a2-75.h"
-#include "mt48lc8m32b2-6-7.h"
+#include "mt46v16m16-75.h"
#endif
-//###CHD: wenn RAMBOOT gehen wuerde, ....
-#ifndef CFG_RAMBOOT
+DECLARE_GLOBAL_DATA_PTR;
+
+extern flash_info_t flash_info[]; /* FLASH chips info */
+
+extern int do_auto_update(void);
+ulong flash_get_size (ulong base, int banknum);
+
+#ifndef CONFIG_SYS_RAMBOOT
static void sdram_start (int hi_addr)
{
long hi_addr_bit = hi_addr ? 0x01000000 : 0;
/* normal operation */
*(vu_long *)MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit;
__asm__ volatile ("sync");
+
+ udelay(10);
}
#endif
/*
* ATTENTION: Although partially referenced initdram does NOT make real use
- * use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE
- * is something else than 0x00000000.
+ * use of CONFIG_SYS_SDRAM_BASE. The code does not work if CONFIG_SYS_SDRAM_BASE
+ * is something else than 0x00000000.
*/
-#if defined(CONFIG_MPC5200)
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
{
ulong dramsize = 0;
ulong dramsize2 = 0;
-#ifndef CFG_RAMBOOT
+ uint svr, pvr;
+#ifndef CONFIG_SYS_RAMBOOT
ulong test1, test2;
/* setup SDRAM chip selects */
/* find RAM size using SDRAM CS0 only */
sdram_start(0);
- test1 = get_ram_size((long *)CFG_SDRAM_BASE, 0x80000000);
+ test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
sdram_start(1);
- test2 = get_ram_size((long *)CFG_SDRAM_BASE, 0x80000000);
+ test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000);
if (test1 > test2) {
sdram_start(0);
dramsize = test1;
/* find RAM size using SDRAM CS1 only */
if (!dramsize)
sdram_start(0);
- test2 = test1 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x80000000);
+ test2 = test1 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000);
if (!dramsize) {
sdram_start(1);
- test2 = get_ram_size((long *)(CFG_SDRAM_BASE + dramsize), 0x80000000);
+ test2 = get_ram_size((long *)(CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000);
}
if (test1 > test2) {
sdram_start(0);
*(vu_long *)MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */
}
-#else /* CFG_RAMBOOT */
+#else /* CONFIG_SYS_RAMBOOT */
/* retrieve size of memory connected to SDRAM CS0 */
dramsize = *(vu_long *)MPC5XXX_SDRAM_CS0CFG & 0xFF;
dramsize2 = 0;
}
-#endif /* CFG_RAMBOOT */
-
- return dramsize + dramsize2;
-}
-
-//###CHD: sowas gibt es bei usn nicht!
-#elif defined(CONFIG_MGT5100)
-
-long int initdram (int board_type)
-{
- ulong dramsize = 0;
-#ifndef CFG_RAMBOOT
- ulong test1, test2;
-
- /* setup and enable SDRAM chip selects */
- *(vu_long *)MPC5XXX_SDRAM_START = 0x00000000;
- *(vu_long *)MPC5XXX_SDRAM_STOP = 0x0000ffff;/* 2G */
- *(vu_long *)MPC5XXX_ADDECR |= (1 << 22); /* Enable SDRAM */
- __asm__ volatile ("sync");
-
- /* setup config registers */
- *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1;
- *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2;
-
- /* address select register */
- *(vu_long *)MPC5XXX_SDRAM_XLBSEL = SDRAM_ADDRSEL;
- __asm__ volatile ("sync");
+#endif /* CONFIG_SYS_RAMBOOT */
- /* find RAM size */
- sdram_start(0);
- test1 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x80000000);
- sdram_start(1);
- test2 = get_ram_size((ulong *)CFG_SDRAM_BASE, 0x80000000);
- if (test1 > test2) {
- sdram_start(0);
- dramsize = test1;
- } else {
- dramsize = test2;
+ /*
+ * On MPC5200B we need to set the special configuration delay in the
+ * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM
+ * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190:
+ *
+ * "The SDelay should be written to a value of 0x00000004. It is
+ * required to account for changes caused by normal wafer processing
+ * parameters."
+ */
+ svr = get_svr();
+ pvr = get_pvr();
+ if ((SVR_MJREV(svr) >= 2) && (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4)) {
+ *(vu_long *)MPC5XXX_SDRAM_SDELAY = 0x04;
+ __asm__ volatile ("sync");
}
- /* set SDRAM end address according to size */
- *(vu_long *)MPC5XXX_SDRAM_STOP = ((dramsize - 1) >> 15);
-
-#else /* CFG_RAMBOOT */
-
- /* Retrieve amount of SDRAM available */
- dramsize = ((*(vu_long *)MPC5XXX_SDRAM_STOP + 1) << 15);
-
-#endif /* CFG_RAMBOOT */
-
- return dramsize;
+ return dramsize + dramsize2;
}
-#else
-#error Neither CONFIG_MPC5200 or CONFIG_MGT5100 defined
-#endif
-
int checkboard (void)
{
+#if defined(CONFIG_PRS200)
+ puts ("Board: PRS200\n");
+#else
puts ("Board: MCC200\n");
+#endif
return 0;
}
-void flash_preinit(void)
+int misc_init_r (void)
{
+ ulong flash_sup_end, snum;
+
/*
- * Now, when we are in RAM, enable flash write
- * access for detection process.
- * Note that CS_BOOT cannot be cleared when
- * executing in flash.
+ * Adjust flash start and offset to detected values
*/
-#if defined(CONFIG_MGT5100)
- *(vu_long *)MPC5XXX_ADDECR &= ~(1 << 25); /* disable CS_BOOT */
- *(vu_long *)MPC5XXX_ADDECR |= (1 << 16); /* enable CS0 */
-#endif
- *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */
-}
-
-void flash_afterinit(ulong start, ulong size)
-{
-#if defined(CONFIG_BOOT_ROM)
- /* adjust mapping */
- *(vu_long *)MPC5XXX_CS1_START =
- START_REG(start);
- *(vu_long *)MPC5XXX_CS1_STOP =
- STOP_REG(start, size);
-#else
- /* adjust mapping */
- *(vu_long *)MPC5XXX_BOOTCS_START = *(vu_long *)MPC5XXX_CS0_START =
- START_REG(start);
- *(vu_long *)MPC5XXX_BOOTCS_STOP = *(vu_long *)MPC5XXX_CS0_STOP =
- STOP_REG(start, size);
-#endif
-}
+ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize;
+ gd->bd->bi_flashoffset = 0;
+ /*
+ * Check if boot FLASH isn't max size
+ */
+ if (gd->bd->bi_flashsize < (0 - CONFIG_SYS_FLASH_BASE)) {
+ /* adjust mapping */
+ *(vu_long *)MPC5XXX_BOOTCS_START = *(vu_long *)MPC5XXX_CS0_START =
+ START_REG(gd->bd->bi_flashstart);
+ *(vu_long *)MPC5XXX_BOOTCS_STOP = *(vu_long *)MPC5XXX_CS0_STOP =
+ STOP_REG(gd->bd->bi_flashstart, gd->bd->bi_flashsize);
+
+ /*
+ * Re-check to get correct base address
+ */
+ flash_get_size(gd->bd->bi_flashstart, CONFIG_SYS_MAX_FLASH_BANKS - 1);
+
+ /*
+ * Re-do flash protection upon new addresses
+ */
+ flash_protect (FLAG_PROTECT_CLEAR,
+ gd->bd->bi_flashstart, 0xffffffff,
+ &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
+
+ /* Monitor protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_SYS_MONITOR_BASE, CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
+
+ /* Environment protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1,
+ &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
+
+ /* Redundant environment protection ON by default */
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR_REDUND,
+ CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1,
+ &flash_info[CONFIG_SYS_MAX_FLASH_BANKS - 1]);
+ }
-extern flash_info_t flash_info[]; /* info for FLASH chips */
+ if (gd->bd->bi_flashsize > (32 << 20)) {
+ /* Unprotect the upper bank of the Flash */
+ *(volatile int*)MPC5XXX_CS0_CFG |= (1 << 6);
+ flash_protect (FLAG_PROTECT_CLEAR,
+ flash_info[0].start[0] + flash_info[0].size / 2,
+ (flash_info[0].start[0] - 1) + flash_info[0].size,
+ &flash_info[0]);
+ *(volatile int*)MPC5XXX_CS0_CFG &= ~(1 << 6);
+ printf ("Warning: Only 32 of 64 MB of Flash are accessible from U-Boot\n");
+ flash_info[0].size = 32 << 20;
+ for (snum = 0, flash_sup_end = gd->bd->bi_flashstart + (32<<20);
+ flash_info[0].start[snum] < flash_sup_end;
+ snum++);
+ flash_info[0].sector_count = snum;
+ }
-int misc_init_r (void)
-{
- DECLARE_GLOBAL_DATA_PTR;
- /* adjust flash start */
- gd->bd->bi_flashstart = flash_info[0].start[0];
+#ifdef CONFIG_AUTO_UPDATE
+ do_auto_update();
+#endif
return (0);
}
}
#endif
-#if defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET)
+#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
void init_ide_reset (void)
{
debug ("ide_reset(%d)\n", idereset);
}
-#endif /* defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) */
+#endif
-#if (CONFIG_COMMANDS & CFG_CMD_DOC)
-extern void doc_probe (ulong physadr);
+#if defined(CONFIG_CMD_DOC)
void doc_init (void)
{
- doc_probe (CFG_DOC_BASE);
+ doc_probe (CONFIG_SYS_DOC_BASE);
}
#endif
projects / u-boot / blobdiff