summaryrefslogtreecommitdiff
path: root/board/netta/netta.c
diff options
context:
space:
mode:
Diffstat (limited to 'board/netta/netta.c')
-rw-r--r--board/netta/netta.c575
1 files changed, 575 insertions, 0 deletions
diff --git a/board/netta/netta.c b/board/netta/netta.c
new file mode 100644
index 0000000..afb3fe1
--- /dev/null
+++ b/board/netta/netta.c
@@ -0,0 +1,575 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * Pantelis Antoniou, Intracom S.A., panto@intracom.gr
+ * U-Boot port on NetTA4 board
+ */
+
+#include <common.h>
+#include <miiphy.h>
+
+#include "mpc8xx.h"
+
+#ifdef CONFIG_HW_WATCHDOG
+#include <watchdog.h>
+#endif
+
+/****************************************************************/
+
+/* some sane bit macros */
+#define _BD(_b) (1U << (31-(_b)))
+#define _BDR(_l, _h) (((((1U << (31-(_l))) - 1) << 1) | 1) & ~((1U << (31-(_h))) - 1))
+
+#define _BW(_b) (1U << (15-(_b)))
+#define _BWR(_l, _h) (((((1U << (15-(_l))) - 1) << 1) | 1) & ~((1U << (15-(_h))) - 1))
+
+#define _BB(_b) (1U << (7-(_b)))
+#define _BBR(_l, _h) (((((1U << (7-(_l))) - 1) << 1) | 1) & ~((1U << (7-(_h))) - 1))
+
+#define _B(_b) _BD(_b)
+#define _BR(_l, _h) _BDR(_l, _h)
+
+/****************************************************************/
+
+/*
+ * Check Board Identity:
+ *
+ * Return 1 always.
+ */
+
+int checkboard(void)
+{
+ printf ("Intracom NETTA"
+#if defined(CONFIG_NETTA_ISDN)
+ " with ISDN support"
+#endif
+ "\n"
+ );
+ return (0);
+}
+
+/****************************************************************/
+
+#define _NOT_USED_ 0xFFFFFFFF
+
+/****************************************************************/
+
+#define CS_0000 0x00000000
+#define CS_0001 0x10000000
+#define CS_0010 0x20000000
+#define CS_0011 0x30000000
+#define CS_0100 0x40000000
+#define CS_0101 0x50000000
+#define CS_0110 0x60000000
+#define CS_0111 0x70000000
+#define CS_1000 0x80000000
+#define CS_1001 0x90000000
+#define CS_1010 0xA0000000
+#define CS_1011 0xB0000000
+#define CS_1100 0xC0000000
+#define CS_1101 0xD0000000
+#define CS_1110 0xE0000000
+#define CS_1111 0xF0000000
+
+#define BS_0000 0x00000000
+#define BS_0001 0x01000000
+#define BS_0010 0x02000000
+#define BS_0011 0x03000000
+#define BS_0100 0x04000000
+#define BS_0101 0x05000000
+#define BS_0110 0x06000000
+#define BS_0111 0x07000000
+#define BS_1000 0x08000000
+#define BS_1001 0x09000000
+#define BS_1010 0x0A000000
+#define BS_1011 0x0B000000
+#define BS_1100 0x0C000000
+#define BS_1101 0x0D000000
+#define BS_1110 0x0E000000
+#define BS_1111 0x0F000000
+
+#define A10_AAAA 0x00000000
+#define A10_AAA0 0x00200000
+#define A10_AAA1 0x00300000
+#define A10_000A 0x00800000
+#define A10_0000 0x00A00000
+#define A10_0001 0x00B00000
+#define A10_111A 0x00C00000
+#define A10_1110 0x00E00000
+#define A10_1111 0x00F00000
+
+#define RAS_0000 0x00000000
+#define RAS_0001 0x00040000
+#define RAS_1110 0x00080000
+#define RAS_1111 0x000C0000
+
+#define CAS_0000 0x00000000
+#define CAS_0001 0x00010000
+#define CAS_1110 0x00020000
+#define CAS_1111 0x00030000
+
+#define WE_0000 0x00000000
+#define WE_0001 0x00004000
+#define WE_1110 0x00008000
+#define WE_1111 0x0000C000
+
+#define GPL4_0000 0x00000000
+#define GPL4_0001 0x00001000
+#define GPL4_1110 0x00002000
+#define GPL4_1111 0x00003000
+
+#define GPL5_0000 0x00000000
+#define GPL5_0001 0x00000400
+#define GPL5_1110 0x00000800
+#define GPL5_1111 0x00000C00
+#define LOOP 0x00000080
+
+#define EXEN 0x00000040
+
+#define AMX_COL 0x00000000
+#define AMX_ROW 0x00000020
+#define AMX_MAR 0x00000030
+
+#define NA 0x00000008
+
+#define UTA 0x00000004
+
+#define TODT 0x00000002
+
+#define LAST 0x00000001
+
+/* #define CAS_LATENCY 3 */
+#define CAS_LATENCY 2
+
+const uint sdram_table[0x40] = {
+
+#if CAS_LATENCY == 3
+ /* RSS */
+ CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
+ CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
+ CS_0000 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
+ CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
+ _NOT_USED_, _NOT_USED_,
+
+ /* RBS */
+ CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
+ CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
+ CS_0001 | BS_1111 | A10_0001 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
+ CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
+ CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_0001 | BS_0001 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL, /* PALL */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | TODT | LAST, /* NOP */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+
+ /* WSS */
+ CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
+ CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_0000 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL | UTA, /* WRITE */
+ CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
+
+ /* WBS */
+ CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
+ CS_1111 | BS_1111 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0000 | AMX_COL, /* WRITE */
+ CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_1111 | BS_0000 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_1111 | BS_0001 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
+ CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA, /* PALL */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
+#endif
+
+#if CAS_LATENCY == 2
+ /* RSS */
+ CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
+ CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA, /* NOP */
+ CS_0001 | BS_0001 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
+ CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL, /* NOP */
+ CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
+ _NOT_USED_,
+ _NOT_USED_, _NOT_USED_,
+
+ /* RBS */
+ CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
+ CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1111 | AMX_COL | UTA, /* NOP */
+ CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_1111 | AMX_COL | UTA, /* READ */
+ CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_1111 | BS_0001 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_1110 | BS_1111 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL, /* NOP */
+ CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
+ _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+
+ /* WSS */
+ CS_0001 | BS_1111 | A10_AAA0 | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
+ CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL, /* NOP */
+ CS_0000 | BS_0001 | A10_0001 | RAS_1110 | CAS_0001 | WE_0000 | AMX_COL | UTA, /* WRITE */
+ CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
+ _NOT_USED_,
+ _NOT_USED_, _NOT_USED_,
+ _NOT_USED_,
+
+ /* WBS */
+ CS_0001 | BS_1111 | A10_AAAA | RAS_0001 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* ACT */
+ CS_1110 | BS_1110 | A10_0000 | RAS_1111 | CAS_1110 | WE_1110 | AMX_COL, /* NOP */
+ CS_0001 | BS_0000 | A10_0000 | RAS_1111 | CAS_0001 | WE_0001 | AMX_COL, /* WRITE */
+ CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_1111 | BS_0000 | A10_0000 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL, /* NOP */
+ CS_1110 | BS_0001 | A10_0001 | RAS_1110 | CAS_1111 | WE_1110 | AMX_COL | UTA, /* NOP */
+ CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | TODT | LAST, /* PALL */
+ _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_,
+
+#endif
+
+ /* UPT */
+ CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_0001 | WE_1111 | AMX_COL | UTA | LOOP, /* ATRFR */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA, /* NOP */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | LOOP, /* NOP */
+ CS_1111 | BS_1111 | A10_1111 | RAS_1111 | CAS_1111 | WE_1111 | AMX_COL | UTA | TODT | LAST, /* NOP */
+ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
+ _NOT_USED_, _NOT_USED_,
+
+ /* EXC */
+ CS_0001 | BS_1111 | A10_1111 | RAS_0001 | CAS_1111 | WE_0001 | AMX_COL | UTA | LAST,
+ _NOT_USED_,
+
+ /* REG */
+ CS_1110 | BS_1111 | A10_1110 | RAS_1110 | CAS_1110 | WE_1110 | AMX_MAR | UTA,
+ CS_0001 | BS_1111 | A10_0001 | RAS_0001 | CAS_0001 | WE_0001 | AMX_MAR | UTA | LAST,
+};
+
+/* 0xC8 = 0b11001000 , CAS3, >> 2 = 0b00 11 0 010 */
+/* 0x88 = 0b10001000 , CAS2, >> 2 = 0b00 10 0 010 */
+#define MAR_SDRAM_INIT ((CAS_LATENCY << 6) | 0x00000008LU)
+
+/* 8 */
+#define CFG_MAMR ((CFG_MAMR_PTA << MAMR_PTA_SHIFT) | MAMR_PTAE | \
+ MAMR_AMA_TYPE_0 | MAMR_DSA_1_CYCL | MAMR_G0CLA_A11 | \
+ MAMR_RLFA_1X | MAMR_WLFA_1X | MAMR_TLFA_4X)
+
+void check_ram(unsigned int addr, unsigned int size)
+{
+ unsigned int i, j, v, vv;
+ volatile unsigned int *p;
+ unsigned int pv;
+
+ p = (unsigned int *)addr;
+ pv = (unsigned int)p;
+ for (i = 0; i < size / sizeof(unsigned int); i++, pv += sizeof(unsigned int))
+ *p++ = pv;
+
+ p = (unsigned int *)addr;
+ for (i = 0; i < size / sizeof(unsigned int); i++) {
+ v = (unsigned int)p;
+ vv = *p;
+ if (vv != v) {
+ printf("%p: read %08x instead of %08x\n", p, vv, v);
+ hang();
+ }
+ p++;
+ }
+
+ for (j = 0; j < 5; j++) {
+ switch (j) {
+ case 0: v = 0x00000000; break;
+ case 1: v = 0xffffffff; break;
+ case 2: v = 0x55555555; break;
+ case 3: v = 0xaaaaaaaa; break;
+ default:v = 0xdeadbeef; break;
+ }
+ p = (unsigned int *)addr;
+ for (i = 0; i < size / sizeof(unsigned int); i++) {
+ *p = v;
+ vv = *p;
+ if (vv != v) {
+ printf("%p: read %08x instead of %08x\n", p, vv, v);
+ hang();
+ }
+ *p = ~v;
+ p++;
+ }
+ }
+}
+
+long int initdram(int board_type)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ long int size;
+
+ upmconfig(UPMB, (uint *) sdram_table, sizeof(sdram_table) / sizeof(uint));
+
+ /*
+ * Preliminary prescaler for refresh
+ */
+ memctl->memc_mptpr = MPTPR_PTP_DIV8;
+
+ memctl->memc_mar = MAR_SDRAM_INIT; /* 32-bit address to be output on the address bus if AMX = 0b11 */
+
+ /*
+ * 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_MAMR & ~MAMR_PTAE; /* no refresh yet */
+
+ udelay(200);
+
+ /* perform SDRAM initialisation sequence */
+ memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3C); /* precharge all */
+ udelay(1);
+
+ memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(2) | MCR_MAD(0x30); /* refresh 2 times(0) */
+ udelay(1);
+
+ memctl->memc_mcr = MCR_OP_RUN | MCR_UPM_B | MCR_MB_CS3 | MCR_MLCF(1) | MCR_MAD(0x3E); /* exception program (write mar)*/
+ udelay(1);
+
+ memctl->memc_mbmr |= MAMR_PTAE; /* enable refresh */
+
+ udelay(10000);
+
+ {
+ u32 d1, d2;
+
+ d1 = 0xAA55AA55;
+ *(volatile u32 *)0 = d1;
+ d2 = *(volatile u32 *)0;
+ if (d1 != d2) {
+ printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
+ hang();
+ }
+
+ d1 = 0x55AA55AA;
+ *(volatile u32 *)0 = d1;
+ d2 = *(volatile u32 *)0;
+ if (d1 != d2) {
+ printf("DRAM fails: wrote 0x%08x read 0x%08x\n", d1, d2);
+ hang();
+ }
+ }
+
+ size = get_ram_size((long *)0, SDRAM_MAX_SIZE);
+
+#if 0
+ printf("check 0\n");
+ check_ram(( 0 << 20), (2 << 20));
+ printf("check 16\n");
+ check_ram((16 << 20), (2 << 20));
+ printf("check 32\n");
+ check_ram((32 << 20), (2 << 20));
+ printf("check 48\n");
+ check_ram((48 << 20), (2 << 20));
+#endif
+
+ if (size == 0) {
+ printf("SIZE is zero: LOOP on 0\n");
+ for (;;) {
+ *(volatile u32 *)0 = 0;
+ (void)*(volatile u32 *)0;
+ }
+ }
+
+ return size;
+}
+
+/* ------------------------------------------------------------------------- */
+
+int misc_init_r(void)
+{
+ return(0);
+}
+
+void reset_phys(void)
+{
+ int phyno;
+ unsigned short v;
+
+ /* reset the damn phys */
+ mii_init();
+
+ for (phyno = 0; phyno < 32; ++phyno) {
+ miiphy_read(phyno, PHY_PHYIDR1, &v);
+ if (v == 0xFFFF)
+ continue;
+ miiphy_write(phyno, PHY_BMCR, PHY_BMCR_POWD);
+ udelay(10000);
+ miiphy_write(phyno, PHY_BMCR, PHY_BMCR_RESET | PHY_BMCR_AUTON);
+ udelay(10000);
+ }
+}
+
+extern int board_dsp_reset(void);
+
+int last_stage_init(void)
+{
+ int r;
+
+ reset_phys();
+ r = board_dsp_reset();
+ if (r < 0)
+ printf("*** WARNING *** DSP reset failed (run diagnostics)\n");
+ return 0;
+}
+
+/* ------------------------------------------------------------------------- */
+
+/* GP = general purpose, SP = special purpose (on chip peripheral) */
+
+/* bits that can have a special purpose or can be configured as inputs/outputs */
+#define PA_GP_INMASK (_BWR(3) | _BWR(7, 9) | _BW(11))
+#define PA_GP_OUTMASK (_BW(6) | _BW(10) | _BWR(12, 15))
+#define PA_SP_MASK (_BWR(0, 2) | _BWR(4, 5))
+#define PA_ODR_VAL 0
+#define PA_GP_OUTVAL (_BW(13) | _BWR(14, 15))
+#define PA_SP_DIRVAL 0
+
+#define PB_GP_INMASK (_B(28) | _B(31))
+#define PB_GP_OUTMASK (_BR(16, 19) | _BR(26, 27) | _BR(29, 30))
+#define PB_SP_MASK (_BR(22, 25))
+#define PB_ODR_VAL 0
+#define PB_GP_OUTVAL (_BR(16, 19) | _BR(26, 27) | _BR(29, 31))
+#define PB_SP_DIRVAL 0
+
+#define PC_GP_INMASK (_BW(5) | _BW(7) | _BW(8) | _BWR(9, 11) | _BWR(13, 15))
+#define PC_GP_OUTMASK (_BW(6) | _BW(12))
+#define PC_SP_MASK (_BW(4) | _BW(8))
+#define PC_SOVAL 0
+#define PC_INTVAL _BW(7)
+#define PC_GP_OUTVAL (_BW(6) | _BW(12))
+#define PC_SP_DIRVAL 0
+
+#define PD_GP_INMASK 0
+#define PD_GP_OUTMASK _BWR(3, 15)
+#define PD_SP_MASK 0
+#define PD_GP_OUTVAL (_BWR(5, 7) | _BW(9) | _BW(11))
+#define PD_SP_DIRVAL 0
+
+int board_early_init_f(void)
+{
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
+ volatile iop8xx_t *ioport = &immap->im_ioport;
+ volatile cpm8xx_t *cpm = &immap->im_cpm;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+
+ /* CS1: NAND chip select */
+ memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_BI | OR_SCY_2_CLK | OR_TRLX | OR_ACS_DIV2) ;
+ memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V);
+
+ /* CS2: DSP */
+ memctl->memc_or2 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_7_CLK | OR_ACS_DIV2);
+ memctl->memc_br2 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V);
+
+ /* CS4: External register chip select */
+ memctl->memc_or4 = ((0xFFFFFFFFLU & ~(ER_SIZE - 1)) | OR_BI | OR_SCY_4_CLK);
+ memctl->memc_br4 = ((ER_BASE & BR_BA_MSK) | BR_PS_32 | BR_V);
+
+ /* CS5: dummy for accurate delay */
+ memctl->memc_or5 = ((0xFFFFFFFFLU & ~(DUMMY_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_0_CLK | OR_ACS_DIV2);
+ memctl->memc_br5 = ((DUMMY_BASE & BR_BA_MSK) | BR_PS_32 | BR_V);
+
+ ioport->iop_padat = PA_GP_OUTVAL;
+ ioport->iop_paodr = PA_ODR_VAL;
+ ioport->iop_padir = PA_GP_OUTMASK | PA_SP_DIRVAL;
+ ioport->iop_papar = PA_SP_MASK;
+
+ cpm->cp_pbdat = PB_GP_OUTVAL;
+ cpm->cp_pbodr = PB_ODR_VAL;
+ cpm->cp_pbdir = PB_GP_OUTMASK | PB_SP_DIRVAL;
+ cpm->cp_pbpar = PB_SP_MASK;
+
+ ioport->iop_pcdat = PC_GP_OUTVAL;
+ ioport->iop_pcdir = PC_GP_OUTMASK | PC_SP_DIRVAL;
+ ioport->iop_pcso = PC_SOVAL;
+ ioport->iop_pcint = PC_INTVAL;
+ ioport->iop_pcpar = PC_SP_MASK;
+
+ ioport->iop_pddat = PD_GP_OUTVAL;
+ ioport->iop_pddir = PD_GP_OUTMASK | PD_SP_DIRVAL;
+ ioport->iop_pdpar = PD_SP_MASK;
+
+ ioport->iop_pddat |= (1 << (15 - 6)) | (1 << (15 - 7));
+
+ return 0;
+}
+
+#if (CONFIG_COMMANDS & CFG_CMD_NAND)
+
+#include <linux/mtd/nand.h>
+
+extern ulong nand_probe(ulong physadr);
+extern struct nand_chip nand_dev_desc[CFG_MAX_NAND_DEVICE];
+
+void nand_init(void)
+{
+ unsigned long totlen = nand_probe(CFG_NAND_BASE);
+
+ printf ("%4lu MB\n", totlen >> 20);
+}
+#endif
+
+#if (CONFIG_COMMANDS & CFG_CMD_PCMCIA)
+
+int pcmcia_init(void)
+{
+ return 0;
+}
+
+#endif
+
+#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 0; /* No hotkeys supported */
+}
+#endif
+
+#ifdef CONFIG_HW_WATCHDOG
+
+void hw_watchdog_reset(void)
+{
+ /* XXX add here the really funky stuff */
+}
+
+#endif
generated by cgit v1.1 at 2024-11-16 14:42:41 +0000