#include <mpc5xxx.h>
#include <pci.h>
#include <asm/processor.h>
+#include <libfdt.h>
+#include <netdev.h>
#if defined(CONFIG_LITE5200B)
#include "mt46v32m16.h"
#include "mt48lc16m16a2-75.h"
# endif
#endif
-#ifndef CFG_RAMBOOT
+
+#ifdef CONFIG_LITE5200B_PM
+/* u-boot part of low-power mode implementation */
+#define SAVED_ADDR (*(void **)0x00000000)
+#define PSC2_4 0x02
+
+void lite5200b_wakeup(void)
+{
+ unsigned char wakeup_pin;
+ void (*linux_wakeup)(void);
+
+ /* check PSC2_4, if it's down "QT" is signaling we have a wakeup
+ * from low power mode */
+ *(vu_char *)MPC5XXX_WU_GPIO_ENABLE = PSC2_4;
+ __asm__ volatile ("sync");
+
+ wakeup_pin = *(vu_char *)MPC5XXX_WU_GPIO_DATA_I;
+ if (wakeup_pin & PSC2_4)
+ return;
+
+ /* acknowledge to "QT"
+ * by holding pin at 1 for 10 uS */
+ *(vu_char *)MPC5XXX_WU_GPIO_DIR = PSC2_4;
+ __asm__ volatile ("sync");
+ *(vu_char *)MPC5XXX_WU_GPIO_DATA_O = PSC2_4;
+ __asm__ volatile ("sync");
+ udelay(10);
+
+ /* put ram out of self-refresh */
+ *(vu_long *)MPC5XXX_SDRAM_CTRL |= 0x80000000; /* mode_en */
+ __asm__ volatile ("sync");
+ *(vu_long *)MPC5XXX_SDRAM_CTRL |= 0x50000000; /* cke ref_en */
+ __asm__ volatile ("sync");
+ *(vu_long *)MPC5XXX_SDRAM_CTRL &= ~0x80000000; /* !mode_en */
+ __asm__ volatile ("sync");
+ udelay(10); /* wait a bit */
+
+ /* jump back to linux kernel code */
+ linux_wakeup = SAVED_ADDR;
+ printf("\n\nLooks like we just woke, transferring control to 0x%08lx\n",
+ linux_wakeup);
+ linux_wakeup();
+}
+#else
+#define lite5200b_wakeup()
+#endif
+
+#ifndef CONFIG_SYS_RAMBOOT
static void sdram_start (int hi_addr)
{
long hi_addr_bit = hi_addr ? 0x01000000 : 0;
/*
* ATTENTION: Although partially referenced initdram does NOT make real use
- * use of CFG_SDRAM_BASE. The code does not work if CFG_SDRAM_BASE
+ * 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;
uint svr, pvr;
-#ifndef CFG_RAMBOOT
+#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 */
+#endif /* CONFIG_SYS_RAMBOOT */
/*
* On MPC5200B we need to set the special configuration delay in the
__asm__ volatile ("sync");
}
+ lite5200b_wakeup();
+
return dramsize + dramsize2;
}
#elif defined(CONFIG_MGT5100)
-long int initdram (int board_type)
+phys_size_t initdram (int board_type)
{
ulong dramsize = 0;
-#ifndef CFG_RAMBOOT
+#ifndef CONFIG_SYS_RAMBOOT
ulong test1, test2;
/* setup and enable SDRAM chip selects */
/* find RAM size */
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;
/* set SDRAM end address according to size */
*(vu_long *)MPC5XXX_SDRAM_STOP = ((dramsize - 1) >> 15);
-#else /* CFG_RAMBOOT */
+#else /* CONFIG_SYS_RAMBOOT */
/* Retrieve amount of SDRAM available */
dramsize = ((*(vu_long *)MPC5XXX_SDRAM_STOP + 1) << 15);
-#endif /* CFG_RAMBOOT */
+#endif /* CONFIG_SYS_RAMBOOT */
return dramsize;
}
{
if (size == 0x800000) { /* adjust mapping */
*(vu_long *)MPC5XXX_BOOTCS_START = *(vu_long *)MPC5XXX_CS0_START =
- START_REG(CFG_BOOTCS_START | size);
+ START_REG(CONFIG_SYS_BOOTCS_START | size);
*(vu_long *)MPC5XXX_BOOTCS_STOP = *(vu_long *)MPC5XXX_CS0_STOP =
- STOP_REG(CFG_BOOTCS_START | size, size);
+ STOP_REG(CONFIG_SYS_BOOTCS_START | size, size);
}
}
}
#endif
-#if defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET)
-
-#define GPIO_PSC1_4 0x01000000UL
+#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET)
void init_ide_reset (void)
{
debug ("init_ide_reset\n");
- /* Configure PSC1_4 as GPIO output for ATA reset */
+ /* Configure PSC1_4 as GPIO output for ATA reset */
*(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4;
*(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4;
/* Deassert reset */
- *(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC1_4;
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
}
void ide_set_reset (int idereset)
debug ("ide_reset(%d)\n", idereset);
if (idereset) {
- *(vu_long *) MPC5XXX_WU_GPIO_DATA &= ~GPIO_PSC1_4;
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4;
/* Make a delay. MPC5200 spec says 25 usec min */
udelay(500000);
} else {
- *(vu_long *) MPC5XXX_WU_GPIO_DATA |= GPIO_PSC1_4;
+ *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4;
}
}
-#endif /* defined (CFG_CMD_IDE) && defined (CONFIG_IDE_RESET) */
+#endif
+
+#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP)
+void
+ft_board_setup(void *blob, bd_t *bd)
+{
+ ft_cpu_setup(blob, bd);
+}
+#endif
+
+int board_eth_init(bd_t *bis)
+{
+ cpu_eth_init(bis); /* Built in FEC comes first */
+ return pci_eth_init(bis);
+}
projects / karo-tx-uboot.git / blobdiff