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-rw-r--r--board/ivm/ivm.c300
1 files changed, 135 insertions, 165 deletions
diff --git a/board/ivm/ivm.c b/board/ivm/ivm.c
index 131ab02..cb661c9 100644
--- a/board/ivm/ivm.c
+++ b/board/ivm/ivm.c
@@ -41,14 +41,13 @@ static long int dram_size (long int, long int *, long int);
/*
* 50 MHz SHARC access using UPM A
*/
-const uint sharc_table[] =
-{
+const uint sharc_table[] = {
/*
* Single Read. (Offset 0 in UPM RAM)
*/
0x0FF3FC04, 0x0FF3EC00, 0x7FFFEC04, 0xFFFFEC04,
- 0xFFFFEC05, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0xFFFFEC05, /* last */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Burst Read. (Offset 8 in UPM RAM)
*/
@@ -61,8 +60,8 @@ const uint sharc_table[] =
* Single Write. (Offset 18 in UPM RAM)
*/
0x0FAFFC04, 0x0FAFEC00, 0x7FFFEC04, 0xFFFFEC04,
- 0xFFFFEC05, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0xFFFFEC05, /* last */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Burst Write. (Offset 20 in UPM RAM)
*/
@@ -81,16 +80,15 @@ const uint sharc_table[] =
/*
* Exception. (Offset 3c in UPM RAM)
*/
- 0x7FFFFC07, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x7FFFFC07, /* last */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
};
/*
* 50 MHz SDRAM access using UPM B
*/
-const uint sdram_table[] =
-{
+const uint sdram_table[] = {
/*
* Single Read. (Offset 0 in UPM RAM)
*/
@@ -104,40 +102,40 @@ const uint sdram_table[] =
* sequence, which is executed by a RUN command.
*
*/
- 0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */
+ 0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */
/*
* Burst Read. (Offset 8 in UPM RAM)
*/
0x0E26FC04, 0x10ADFC04, 0xF0AFFC00, 0xF0AFFC00,
- 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C45, /* last */
- _NOT_USED_,
+ 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C45, /* last */
+ _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Single Write. (Offset 18 in UPM RAM)
*/
- 0x1F27FC04, 0xEEAEBC04, 0x01B93C00, 0x1FF77C45, /* last */
+ 0x1F27FC04, 0xEEAEBC04, 0x01B93C00, 0x1FF77C45, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Burst Write. (Offset 20 in UPM RAM)
*/
0x0E26BC00, 0x10AD7C00, 0xF0AFFC00, 0xF0AFFC00,
- 0xE1BBBC04, 0x1FF77C45, /* last */
- _NOT_USED_, _NOT_USED_,
+ 0xE1BBBC04, 0x1FF77C45, /* last */
+ _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Refresh (Offset 30 in UPM RAM)
*/
0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC84,
- 0xFFFFFC05, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0xFFFFFC05, /* last */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Exception. (Offset 3c in UPM RAM)
*/
- 0x7FFFFC07, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ 0x7FFFFC07, /* last */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
};
/* ------------------------------------------------------------------------- */
@@ -161,101 +159,104 @@ int checkboard (void)
/* ------------------------------------------------------------------------- */
-long int
-initdram (int board_type)
+long int initdram (int board_type)
{
- volatile immap_t *immr = (immap_t *)CFG_IMMR;
- volatile memctl8xx_t *memctl = &immr->im_memctl;
- long int size_b0;
-
- /* enable SDRAM clock ("switch on" SDRAM) */
- immr->im_cpm.cp_pbpar &= ~(CFG_PB_SDRAM_CLKE); /* GPIO */
- immr->im_cpm.cp_pbodr &= ~(CFG_PB_SDRAM_CLKE); /* active output */
- immr->im_cpm.cp_pbdir |= CFG_PB_SDRAM_CLKE ; /* output */
- immr->im_cpm.cp_pbdat |= CFG_PB_SDRAM_CLKE ; /* assert SDRAM CLKE */
- udelay(1);
-
- /*
- * Map controller bank 1 for ELIC SACCO
- */
- memctl->memc_or1 = CFG_OR1;
- memctl->memc_br1 = CFG_BR1;
-
- /*
- * Map controller bank 2 for ELIC EPIC
- */
- memctl->memc_or2 = CFG_OR2;
- memctl->memc_br2 = CFG_BR2;
-
- /*
- * Configure UPMA for SHARC
- */
- upmconfig(UPMA, (uint *)sharc_table, sizeof(sharc_table)/sizeof(uint));
+ volatile immap_t *immr = (immap_t *) CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immr->im_memctl;
+ long int size_b0;
+
+ /* enable SDRAM clock ("switch on" SDRAM) */
+ immr->im_cpm.cp_pbpar &= ~(CFG_PB_SDRAM_CLKE); /* GPIO */
+ immr->im_cpm.cp_pbodr &= ~(CFG_PB_SDRAM_CLKE); /* active output */
+ immr->im_cpm.cp_pbdir |= CFG_PB_SDRAM_CLKE; /* output */
+ immr->im_cpm.cp_pbdat |= CFG_PB_SDRAM_CLKE; /* assert SDRAM CLKE */
+ udelay (1);
+
+ /*
+ * Map controller bank 1 for ELIC SACCO
+ */
+ memctl->memc_or1 = CFG_OR1;
+ memctl->memc_br1 = CFG_BR1;
+
+ /*
+ * Map controller bank 2 for ELIC EPIC
+ */
+ memctl->memc_or2 = CFG_OR2;
+ memctl->memc_br2 = CFG_BR2;
+
+ /*
+ * Configure UPMA for SHARC
+ */
+ upmconfig (UPMA, (uint *) sharc_table,
+ sizeof (sharc_table) / sizeof (uint));
#if defined(CONFIG_IVML24)
- /*
- * Map controller bank 4 for HDLC Address space
- */
- memctl->memc_or4 = CFG_OR4;
- memctl->memc_br4 = CFG_BR4;
+ /*
+ * Map controller bank 4 for HDLC Address space
+ */
+ memctl->memc_or4 = CFG_OR4;
+ memctl->memc_br4 = CFG_BR4;
#endif
- /*
- * Map controller bank 5 for SHARC
- */
- memctl->memc_or5 = CFG_OR5;
- memctl->memc_br5 = CFG_BR5;
-
- memctl->memc_mamr = 0x00001000;
-
- /*
- * Configure UPMB for SDRAM
- */
- upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
-
- memctl->memc_mptpr = CFG_MPTPR_1BK_8K;
-
- memctl->memc_mar = 0x00000088;
-
- /*
- * Map controller bank 3 to the SDRAM bank at preliminary address.
- */
- memctl->memc_or3 = CFG_OR3_PRELIM;
- memctl->memc_br3 = CFG_BR3_PRELIM;
-
- memctl->memc_mbmr = CFG_MBMR_8COL; /* refresh not enabled yet */
-
- udelay(200);
- memctl->memc_mcr = 0x80806105; /* precharge */
- udelay(1);
- memctl->memc_mcr = 0x80806106; /* load mode register */
- udelay(1);
- memctl->memc_mcr = 0x80806130; /* autorefresh */
- udelay(1);
- memctl->memc_mcr = 0x80806130; /* autorefresh */
- udelay(1);
- memctl->memc_mcr = 0x80806130; /* autorefresh */
- udelay(1);
- memctl->memc_mcr = 0x80806130; /* autorefresh */
- udelay(1);
- memctl->memc_mcr = 0x80806130; /* autorefresh */
- udelay(1);
- memctl->memc_mcr = 0x80806130; /* autorefresh */
- udelay(1);
- memctl->memc_mcr = 0x80806130; /* autorefresh */
- udelay(1);
- memctl->memc_mcr = 0x80806130; /* autorefresh */
-
- memctl->memc_mbmr |= MBMR_PTBE; /* refresh enabled */
-
- /*
- * Check Bank 0 Memory Size for re-configuration
- */
- size_b0 = dram_size (CFG_MBMR_8COL, (ulong *)SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE);
-
- memctl->memc_mbmr = CFG_MBMR_8COL | MBMR_PTBE;
-
- return (size_b0);
+ /*
+ * Map controller bank 5 for SHARC
+ */
+ memctl->memc_or5 = CFG_OR5;
+ memctl->memc_br5 = CFG_BR5;
+
+ memctl->memc_mamr = 0x00001000;
+
+ /*
+ * Configure UPMB for SDRAM
+ */
+ upmconfig (UPMB, (uint *) sdram_table,
+ sizeof (sdram_table) / sizeof (uint));
+
+ memctl->memc_mptpr = CFG_MPTPR_1BK_8K;
+
+ memctl->memc_mar = 0x00000088;
+
+ /*
+ * Map controller bank 3 to the SDRAM bank at preliminary address.
+ */
+ memctl->memc_or3 = CFG_OR3_PRELIM;
+ memctl->memc_br3 = CFG_BR3_PRELIM;
+
+ memctl->memc_mbmr = CFG_MBMR_8COL; /* refresh not enabled yet */
+
+ udelay (200);
+ memctl->memc_mcr = 0x80806105; /* precharge */
+ udelay (1);
+ memctl->memc_mcr = 0x80806106; /* load mode register */
+ udelay (1);
+ memctl->memc_mcr = 0x80806130; /* autorefresh */
+ udelay (1);
+ memctl->memc_mcr = 0x80806130; /* autorefresh */
+ udelay (1);
+ memctl->memc_mcr = 0x80806130; /* autorefresh */
+ udelay (1);
+ memctl->memc_mcr = 0x80806130; /* autorefresh */
+ udelay (1);
+ memctl->memc_mcr = 0x80806130; /* autorefresh */
+ udelay (1);
+ memctl->memc_mcr = 0x80806130; /* autorefresh */
+ udelay (1);
+ memctl->memc_mcr = 0x80806130; /* autorefresh */
+ udelay (1);
+ memctl->memc_mcr = 0x80806130; /* autorefresh */
+
+ memctl->memc_mbmr |= MBMR_PTBE; /* refresh enabled */
+
+ /*
+ * Check Bank 0 Memory Size for re-configuration
+ */
+ size_b0 =
+ dram_size (CFG_MBMR_8COL, (ulong *) SDRAM_BASE3_PRELIM,
+ SDRAM_MAX_SIZE);
+
+ memctl->memc_mbmr = CFG_MBMR_8COL | MBMR_PTBE;
+
+ return (size_b0);
}
/* ------------------------------------------------------------------------- */
@@ -268,60 +269,29 @@ initdram (int board_type)
* - short between data lines
*/
-static long int dram_size (long int mamr_value, long int *base, long int maxsize)
+static long int dram_size (long int mamr_value, long int *base,
+ long int maxsize)
{
- volatile immap_t *immr = (immap_t *)CFG_IMMR;
- volatile memctl8xx_t *memctl = &immr->im_memctl;
- volatile long int *addr;
- ulong cnt, val;
- ulong save[32]; /* to make test non-destructive */
- unsigned char i = 0;
-
- memctl->memc_mbmr = mamr_value;
-
- for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) {
- addr = base + cnt; /* pointer arith! */
-
- save[i++] = *addr;
- *addr = ~cnt;
- }
-
- /* write 0 to base address */
- addr = base;
- save[i] = *addr;
- *addr = 0;
-
- /* check at base address */
- if ((val = *addr) != 0) {
- *addr = save[i];
- return (0);
- }
+ volatile immap_t *immr = (immap_t *) CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immr->im_memctl;
- for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
- addr = base + cnt; /* pointer arith! */
+ memctl->memc_mbmr = mamr_value;
- val = *addr;
- *addr = save[--i];
-
- if (val != (~cnt)) {
- return (cnt * sizeof(long));
- }
- }
- return (maxsize);
+ return (get_ram_size (base, maxsize));
}
/* ------------------------------------------------------------------------- */
-void reset_phy(void)
+void reset_phy (void)
{
- immap_t *immr = (immap_t *)CFG_IMMR;
+ immap_t *immr = (immap_t *) CFG_IMMR;
/* De-assert Ethernet Powerdown */
- immr->im_cpm.cp_pbpar &= ~(CFG_PB_ETH_POWERDOWN); /* GPIO */
- immr->im_cpm.cp_pbodr &= ~(CFG_PB_ETH_POWERDOWN); /* active output */
- immr->im_cpm.cp_pbdir |= CFG_PB_ETH_POWERDOWN ; /* output */
- immr->im_cpm.cp_pbdat &= ~(CFG_PB_ETH_POWERDOWN); /* Enable PHY power */
- udelay(1000);
+ immr->im_cpm.cp_pbpar &= ~(CFG_PB_ETH_POWERDOWN); /* GPIO */
+ immr->im_cpm.cp_pbodr &= ~(CFG_PB_ETH_POWERDOWN); /* active output */
+ immr->im_cpm.cp_pbdir |= CFG_PB_ETH_POWERDOWN; /* output */
+ immr->im_cpm.cp_pbdat &= ~(CFG_PB_ETH_POWERDOWN); /* Enable PHY power */
+ udelay (1000);
/*
* RESET is implemented by a positive pulse of at least 1 us
@@ -330,15 +300,15 @@ void reset_phy(void)
* Configure RESET pins for NS DP83843 PHY, and RESET chip.
*
* Note: The RESET pin is high active, but there is an
- * inverter on the SPD823TS board...
+ * inverter on the SPD823TS board...
*/
immr->im_ioport.iop_pcpar &= ~(CFG_PC_ETH_RESET);
- immr->im_ioport.iop_pcdir |= CFG_PC_ETH_RESET;
+ immr->im_ioport.iop_pcdir |= CFG_PC_ETH_RESET;
/* assert RESET signal of PHY */
immr->im_ioport.iop_pcdat &= ~(CFG_PC_ETH_RESET);
udelay (10);
/* de-assert RESET signal of PHY */
- immr->im_ioport.iop_pcdat |= CFG_PC_ETH_RESET;
+ immr->im_ioport.iop_pcdat |= CFG_PC_ETH_RESET;
udelay (10);
}
@@ -350,19 +320,19 @@ void show_boot_progress (int status)
# if defined(STATUS_LED_YELLOW)
status_led_set (STATUS_LED_YELLOW,
(status < 0) ? STATUS_LED_ON : STATUS_LED_OFF);
-# endif /* STATUS_LED_YELLOW */
+# endif /* STATUS_LED_YELLOW */
# if defined(STATUS_LED_BOOT)
if (status == 6)
- status_led_set(STATUS_LED_BOOT, STATUS_LED_OFF);
-# endif /* STATUS_LED_BOOT */
+ status_led_set (STATUS_LED_BOOT, STATUS_LED_OFF);
+# endif /* STATUS_LED_BOOT */
#endif /* CONFIG_STATUS_LED */
}
/* ------------------------------------------------------------------------- */
-void ide_set_reset(int on)
+void ide_set_reset (int on)
{
- volatile immap_t *immr = (immap_t *)CFG_IMMR;
+ volatile immap_t *immr = (immap_t *) CFG_IMMR;
/*
* Configure PC for IDE Reset Pin
@@ -370,13 +340,13 @@ void ide_set_reset(int on)
if (on) { /* assert RESET */
immr->im_ioport.iop_pcdat &= ~(CFG_PC_IDE_RESET);
} else { /* release RESET */
- immr->im_ioport.iop_pcdat |= CFG_PC_IDE_RESET;
+ immr->im_ioport.iop_pcdat |= CFG_PC_IDE_RESET;
}
/* program port pin as GPIO output */
immr->im_ioport.iop_pcpar &= ~(CFG_PC_IDE_RESET);
- immr->im_ioport.iop_pcso &= ~(CFG_PC_IDE_RESET);
- immr->im_ioport.iop_pcdir |= CFG_PC_IDE_RESET;
+ immr->im_ioport.iop_pcso &= ~(CFG_PC_IDE_RESET);
+ immr->im_ioport.iop_pcdir |= CFG_PC_IDE_RESET;
}
/* ------------------------------------------------------------------------- */
generated by cgit v1.1 at 2024-11-16 05:12:12 +0000