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Diffstat (limited to 'board/netta2/netta2.c')
| -rw-r--r-- | board/netta2/netta2.c | 664 |
1 files changed, 664 insertions, 0 deletions
diff --git a/board/netta2/netta2.c b/board/netta2/netta2.c new file mode 100644 index 0000000..f4ce7a4 --- /dev/null +++ b/board/netta2/netta2.c @@ -0,0 +1,664 @@ +/* + * (C) Copyright 2000-2004 + * Pantelis Antoniou, Intracom S.A., panto@intracom.gr + * 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 NetTA2 V%d\n", CONFIG_NETTA2_VERSION); + 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 GPL0_AAAA 0x00000000 +#define GPL0_AAA0 0x00200000 +#define GPL0_AAA1 0x00300000 +#define GPL0_000A 0x00800000 +#define GPL0_0000 0x00A00000 +#define GPL0_0001 0x00B00000 +#define GPL0_111A 0x00C00000 +#define GPL0_1110 0x00E00000 +#define GPL0_1111 0x00F00000 + +#define GPL1_0000 0x00000000 +#define GPL1_0001 0x00040000 +#define GPL1_1110 0x00080000 +#define GPL1_1111 0x000C0000 + +#define GPL2_0000 0x00000000 +#define GPL2_0001 0x00010000 +#define GPL2_1110 0x00020000 +#define GPL2_1111 0x00030000 + +#define GPL3_0000 0x00000000 +#define GPL3_0001 0x00004000 +#define GPL3_1110 0x00008000 +#define GPL3_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 A10_AAAA GPL0_AAAA +#define A10_AAA0 GPL0_AAA0 +#define A10_AAA1 GPL0_AAA1 +#define A10_000A GPL0_000A +#define A10_0000 GPL0_0000 +#define A10_0001 GPL0_0001 +#define A10_111A GPL0_111A +#define A10_1110 GPL0_1110 +#define A10_1111 GPL0_1111 + +#define RAS_0000 GPL1_0000 +#define RAS_0001 GPL1_0001 +#define RAS_1110 GPL1_1110 +#define RAS_1111 GPL1_1111 + +#define CAS_0000 GPL2_0000 +#define CAS_0001 GPL2_0001 +#define CAS_1110 GPL2_1110 +#define CAS_1111 GPL2_1111 + +#define WE_0000 GPL3_0000 +#define WE_0001 GPL3_0001 +#define WE_1110 GPL3_1110 +#define WE_1111 GPL3_1111 + +/* #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, +}; + +#if CONFIG_NETTA2_VERSION == 2 +static const uint nandcs_table[0x40] = { + /* RSS */ + CS_1000 | GPL4_1111 | GPL5_1111 | UTA, + CS_0000 | GPL4_1110 | GPL5_1111 | UTA, + CS_0000 | GPL4_0000 | GPL5_1111 | UTA, + CS_0000 | GPL4_0000 | GPL5_1111 | UTA, + CS_0000 | GPL4_0000 | GPL5_1111, + CS_0000 | GPL4_0001 | GPL5_1111 | UTA, + CS_0000 | GPL4_1111 | GPL5_1111 | UTA, + CS_0011 | GPL4_1111 | GPL5_1111 | UTA | LAST, /* NOP */ + + /* RBS */ + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + + /* WSS */ + CS_1000 | GPL4_1111 | GPL5_1110 | UTA, + CS_0000 | GPL4_1111 | GPL5_0000 | UTA, + CS_0000 | GPL4_1111 | GPL5_0000 | UTA, + CS_0000 | GPL4_1111 | GPL5_0000 | UTA, + CS_0000 | GPL4_1111 | GPL5_0001 | UTA, + CS_0000 | GPL4_1111 | GPL5_1111 | UTA, + CS_0000 | GPL4_1111 | GPL5_1111, + CS_0011 | GPL4_1111 | GPL5_1111 | UTA | LAST, + + /* WBS */ + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + + /* UPT */ + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, + + /* EXC */ + CS_0001 | LAST, + _NOT_USED_, + + /* REG */ + CS_1110 , + CS_0001 | LAST, +}; +#endif + +/* 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(sdram_table[0])); + + /* + * 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 (size == 0) { + printf("SIZE is zero: LOOP on 0\n"); + for (;;) { + *(volatile u32 *)0 = 0; + (void)*(volatile u32 *)0; + } + } + + return size; +} + +/* ------------------------------------------------------------------------- */ + +void reset_phys(void) +{ + int phyno; + unsigned short v; + + udelay(10000); + /* 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); + } +} + +/* ------------------------------------------------------------------------- */ + +/* 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 0 +#define PA_GP_OUTMASK (_BW(3) | _BW(7) | _BW(10) | _BW(14) | _BW(15)) +#define PA_SP_MASK 0 +#define PA_ODR_VAL 0 +#define PA_GP_OUTVAL (_BW(3) | _BW(14) | _BW(15)) +#define PA_SP_DIRVAL 0 + +#define PB_GP_INMASK _B(28) +#define PB_GP_OUTMASK (_B(19) | _B(23) | _B(26) | _B(27) | _B(29) | _B(30)) +#define PB_SP_MASK (_BR(22, 25)) +#define PB_ODR_VAL 0 +#define PB_GP_OUTVAL (_B(26) | _B(27) | _B(29) | _B(30)) +#define PB_SP_DIRVAL 0 + +#if CONFIG_NETTA2_VERSION == 1 +#define PC_GP_INMASK _BW(12) +#define PC_GP_OUTMASK (_BW(10) | _BW(11) | _BW(13) | _BW(15)) +#elif CONFIG_NETTA2_VERSION == 2 +#define PC_GP_INMASK (_BW(13) | _BW(15)) +#define PC_GP_OUTMASK (_BW(10) | _BW(11) | _BW(12)) +#endif +#define PC_SP_MASK 0 +#define PC_SOVAL 0 +#define PC_INTVAL 0 +#define PC_GP_OUTVAL (_BW(10) | _BW(11)) +#define PC_SP_DIRVAL 0 + +#if CONFIG_NETTA2_VERSION == 1 +#define PE_GP_INMASK _B(31) +#define PE_GP_OUTMASK (_B(17) | _B(18) |_B(20) | _B(24) | _B(27) | _B(28) | _B(29) | _B(30)) +#define PE_GP_OUTVAL (_B(20) | _B(24) | _B(27) | _B(28)) +#elif CONFIG_NETTA2_VERSION == 2 +#define PE_GP_INMASK _BR(28, 31) +#define PE_GP_OUTMASK (_B(17) | _B(18) |_B(20) | _B(24) | _B(27)) +#define PE_GP_OUTVAL (_B(20) | _B(24) | _B(27)) +#endif +#define PE_SP_MASK 0 +#define PE_ODR_VAL 0 +#define PE_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; + + /* NAND chip select */ +#if CONFIG_NETTA2_VERSION == 1 + memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_SCY_8_CLK | OR_EHTR | OR_TRLX); + memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V); +#elif CONFIG_NETTA2_VERSION == 2 + upmconfig(UPMA, (uint *) nandcs_table, sizeof(nandcs_table) / sizeof(nandcs_table[0])); + memctl->memc_or1 = ((0xFFFFFFFFLU & ~(NAND_SIZE - 1)) | OR_BI | OR_G5LS); + memctl->memc_br1 = ((NAND_BASE & BR_BA_MSK) | BR_PS_8 | BR_V | BR_MS_UPMA); + memctl->memc_mamr = 0; /* all clear */ +#endif + + /* DSP chip select */ + memctl->memc_or2 = ((0xFFFFFFFFLU & ~(DSP_SIZE - 1)) | OR_CSNT_SAM | OR_BI | OR_ACS_DIV2 | OR_SETA | OR_TRLX); + memctl->memc_br2 = ((DSP_BASE & BR_BA_MSK) | BR_PS_16 | BR_V); + +#if CONFIG_NETTA2_VERSION == 1 + memctl->memc_br4 &= ~BR_V; +#endif + memctl->memc_br5 &= ~BR_V; + memctl->memc_br6 &= ~BR_V; + memctl->memc_br7 &= ~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; + + cpm->cp_pedat = PE_GP_OUTVAL; + cpm->cp_peodr = PE_ODR_VAL; + cpm->cp_pedir = PE_GP_OUTMASK | PE_SP_DIRVAL; + cpm->cp_pepar = PE_SP_MASK; + + 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; + + totlen = nand_probe(CFG_NAND_BASE); + printf ("%4lu MB\n", totlen >> 20); +} +#endif + +#ifdef CONFIG_HW_WATCHDOG + +void hw_watchdog_reset(void) +{ + /* XXX add here the really funky stuff */ +} + +#endif + +#ifdef CONFIG_SHOW_ACTIVITY + +/* called from timer interrupt every 1/CFG_HZ sec */ +void board_show_activity(ulong timestamp) +{ +} + +/* called when looping */ +void show_activity(int arg) +{ +} + +#endif + +#if defined(CFG_CONSOLE_IS_IN_ENV) && defined(CFG_CONSOLE_OVERWRITE_ROUTINE) +int overwrite_console(void) +{ + /* printf("overwrite_console called\n"); */ + return 0; +} +#endif + +extern int drv_phone_init(void); +extern int drv_phone_use_me(void); +extern int drv_phone_is_idle(void); + +int misc_init_r(void) +{ + return 0; +} + +int last_stage_init(void) +{ +#if CONFIG_NETTA2_VERSION == 2 + int i; +#endif + +#if CONFIG_NETTA2_VERSION == 2 + /* assert peripheral reset */ + ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat &= ~_BW(12); + for (i = 0; i < 10; i++) + udelay(1000); + ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat |= _BW(12); +#endif + reset_phys(); + + return 0; +} |