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-rw-r--r--board/spd8xx/spd8xx.c200
1 files changed, 85 insertions, 115 deletions
diff --git a/board/spd8xx/spd8xx.c b/board/spd8xx/spd8xx.c
index 239cf26..9f52e33 100644
--- a/board/spd8xx/spd8xx.c
+++ b/board/spd8xx/spd8xx.c
@@ -34,14 +34,13 @@ static long int dram_size (long int, long int *, long int);
#define _NOT_USED_ 0xFFFFFFFF
-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)
*/
@@ -54,8 +53,8 @@ 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)
*/
@@ -74,18 +73,17 @@ 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_,
};
-const uint sdram_table[] =
-{
+const uint sdram_table[] = {
/*
* Single Read. (Offset 0 in UPM RAM)
*/
0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00,
- 0x1FF77C47, /* last */
+ 0x1FF77C47, /* last */
/*
* SDRAM Initialization (offset 5 in UPM RAM)
*
@@ -94,39 +92,39 @@ 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)
*/
0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00,
- 0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */
+ 0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Single Write. (Offset 18 in UPM RAM)
*/
- 0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */
+ 0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */
_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
/*
* Burst Write. (Offset 20 in UPM RAM)
*/
0x1F07FC04, 0xEEAEBC00, 0x10AD7C00, 0xF0AFFC00,
- 0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* last */
- _NOT_USED_,
+ 0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* last */
+ _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, 0xFFFFFC04,
- 0xFFFFFC84, 0xFFFFFC07, /* last */
- _NOT_USED_, _NOT_USED_,
+ 0xFFFFFC84, 0xFFFFFC07, /* last */
+ _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_,
};
/* ------------------------------------------------------------------------- */
@@ -145,71 +143,74 @@ int checkboard (void)
/* ------------------------------------------------------------------------- */
-long int
-initdram (int board_type)
+long int initdram (int board_type)
{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
- long int size_b0;
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ long int size_b0;
#if 0
- /*
- * Map controller bank 2 to the SRAM bank at preliminary address.
- */
- memctl->memc_or2 = CFG_OR2;
- memctl->memc_br2 = CFG_BR2;
+ /*
+ * Map controller bank 2 to the SRAM bank at preliminary address.
+ */
+ memctl->memc_or2 = CFG_OR2;
+ memctl->memc_br2 = CFG_BR2;
#endif
- /*
- * Map controller bank 4 to the PER8 bank.
- */
- memctl->memc_or4 = CFG_OR4;
- memctl->memc_br4 = CFG_BR4;
+ /*
+ * Map controller bank 4 to the PER8 bank.
+ */
+ memctl->memc_or4 = CFG_OR4;
+ memctl->memc_br4 = CFG_BR4;
#if 0
- /* Configure SHARC at UMA */
- upmconfig(UPMA, (uint *)sharc_table, sizeof(sharc_table)/sizeof(uint));
- /* Map controller bank 5 to the SHARC */
- memctl->memc_or5 = CFG_OR5;
- memctl->memc_br5 = CFG_BR5;
+ /* Configure SHARC at UMA */
+ upmconfig (UPMA, (uint *) sharc_table,
+ sizeof (sharc_table) / sizeof (uint));
+ /* Map controller bank 5 to the SHARC */
+ memctl->memc_or5 = CFG_OR5;
+ memctl->memc_br5 = CFG_BR5;
#endif
- memctl->memc_mamr = 0x00001000;
+ memctl->memc_mamr = 0x00001000;
- /* Configure SDRAM at UMB */
- upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
+ /* Configure SDRAM at UMB */
+ upmconfig (UPMB, (uint *) sdram_table,
+ sizeof (sdram_table) / sizeof (uint));
- memctl->memc_mptpr = CFG_MPTPR_1BK_8K;
+ memctl->memc_mptpr = CFG_MPTPR_1BK_8K;
- memctl->memc_mar = 0x00000088;
+ 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;
+ /*
+ * 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 */
+ memctl->memc_mbmr = CFG_MBMR_8COL; /* refresh not enabled yet */
- udelay(200);
- memctl->memc_mcr = 0x80806105;
- udelay(1);
- memctl->memc_mcr = 0x80806130;
- udelay(1);
- memctl->memc_mcr = 0x80806130;
- udelay(1);
- memctl->memc_mcr = 0x80806106;
+ udelay (200);
+ memctl->memc_mcr = 0x80806105;
+ udelay (1);
+ memctl->memc_mcr = 0x80806130;
+ udelay (1);
+ memctl->memc_mcr = 0x80806130;
+ udelay (1);
+ memctl->memc_mcr = 0x80806106;
- memctl->memc_mbmr |= MBMR_PTBE; /* refresh enabled */
+ 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);
+ /*
+ * 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;
+ memctl->memc_mbmr = CFG_MBMR_8COL | MBMR_PTBE;
- return (size_b0);
+ return (size_b0);
}
/* ------------------------------------------------------------------------- */
@@ -222,60 +223,29 @@ 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 *immap = (immap_t *)CFG_IMMR;
- volatile memctl8xx_t *memctl = &immap->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);
- }
-
- for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
- addr = base + cnt; /* pointer arith! */
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
- val = *addr;
- *addr = save[--i];
+ memctl->memc_mbmr = mamr_value;
- 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;
ushort sreg;
/* Configure extra port pins for NS DP83843 PHY */
immr->im_ioport.iop_papar &= ~(PA_ENET_MDC | PA_ENET_MDIO);
- sreg = immr->im_ioport.iop_padir;
- sreg |= PA_ENET_MDC; /* Mgmt. Data Clock is Output */
+ sreg = immr->im_ioport.iop_padir;
+ sreg |= PA_ENET_MDC; /* Mgmt. Data Clock is Output */
sreg &= ~(PA_ENET_MDIO); /* Mgmt. Data I/O is bidirect. => Input */
immr->im_ioport.iop_padir = sreg;
@@ -288,23 +258,23 @@ 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 &= ~(PC_ENET_RESET);
- immr->im_ioport.iop_pcdir |= PC_ENET_RESET;
+ immr->im_ioport.iop_pcdir |= PC_ENET_RESET;
/* assert RESET signal of PHY */
immr->im_ioport.iop_pcdat &= ~(PC_ENET_RESET);
udelay (10);
/* de-assert RESET signal of PHY */
- immr->im_ioport.iop_pcdat |= PC_ENET_RESET;
+ immr->im_ioport.iop_pcdat |= PC_ENET_RESET;
udelay (10);
}
/* ------------------------------------------------------------------------- */
-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
@@ -312,13 +282,13 @@ 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 2024-11-24 22:35:47 +0000