diff options
Diffstat (limited to 'board/hermes/hermes.c')
-rw-r--r-- | board/hermes/hermes.c | 590 |
1 files changed, 0 insertions, 590 deletions
diff --git a/board/hermes/hermes.c b/board/hermes/hermes.c deleted file mode 100644 index 6126b73..0000000 --- a/board/hermes/hermes.c +++ /dev/null @@ -1,590 +0,0 @@ -/* - * (C) Copyright 2000 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <commproc.h> -#include <mpc8xx.h> - -#ifdef CONFIG_SHOW_BOOT_PROGRESS -# include <status_led.h> -# define SHOW_BOOT_PROGRESS(arg) bootstage_mark(arg) -#else -# define SHOW_BOOT_PROGRESS(arg) -#endif - -DECLARE_GLOBAL_DATA_PTR; - -/* ------------------------------------------------------------------------- */ - -static long int dram_size (long int, long int *, long int); -static ulong board_init (void); -static void send_smi_frame (volatile scc_t * sp, volatile cbd_t * bd, - uchar * msg); - -/* ------------------------------------------------------------------------- */ - -#define _NOT_USED_ 0xFFFFFFFF - -const uint sdram_table[] = { - /* - * Single Read. (Offset 0 in UPMA RAM) - */ - 0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00, - 0x1ff77c47, /* last */ - /* - * SDRAM Initialization (offset 5 in UPMA RAM) - * - * This is no UPM entry point. The following definition uses - * the remaining space to establish an initialization - * sequence, which is executed by a RUN command. - * - */ - 0x1fe77c35, 0xffaffc34, 0x1fa57c35, /* last */ - /* - * Burst Read. (Offset 8 in UPMA RAM) - */ - 0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00, - 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 UPMA RAM) - */ - 0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Burst Write. (Offset 20 in UPMA RAM) - */ - 0x1f07fc04, 0xeeaebc00, 0x10ad4c00, 0xf0afcc00, - 0xf0afcc00, 0xe1bb8c06, 0x1ff77c47, /* last */ - _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Refresh (Offset 30 in UPMA RAM) - */ - 0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04, - 0xfffffc84, 0xfffffc07, /* last */ - _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Exception. (Offset 3c in UPMA RAM) - */ - 0x7ffffc07, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, -}; - -/* ------------------------------------------------------------------------- */ - - -/* - * Check Board Identity: - * - * Test ID string (HERMES...) - * - * Return code for board revision and network speed - */ - -int checkboard (void) -{ - char buf[64]; - int i; - int l = getenv_f("serial#", buf, sizeof(buf)); - - puts ("Board: "); - - if (l < 0 || strncmp(buf, "HERMES", 6)) { - puts ("### No HW ID - assuming HERMES-PRO"); - } else { - for (i = 0; i < l; i++) { - if (buf[i] == ' ') - break; - putc (buf[i]); - } - } - - gd->board_type = board_init (); - - printf (" Rev. %ld.x\n", (gd->board_type >> 16)); - - return (0); -} - -/* ------------------------------------------------------------------------- */ - -phys_size_t initdram (int board_type) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - long int size, size8, size9; - - upmconfig (UPMA, (uint *) sdram_table, - sizeof (sdram_table) / sizeof (uint)); - - /* - * Preliminary prescaler for refresh - */ - memctl->memc_mptpr = 0x0400; - - memctl->memc_mar = 0x00000088; - - /* - * Map controller banks 1 to the SDRAM banks at preliminary address - */ - memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM; - memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM; - - /* HERMES-PRO boards have only one bank SDRAM */ - - - udelay (200); - - /* perform SDRAM initializsation sequence */ - - memctl->memc_mamr = 0xD0802114; - memctl->memc_mcr = 0x80002105; - udelay (1); - memctl->memc_mamr = 0xD0802118; - memctl->memc_mcr = 0x80002130; - udelay (1); - memctl->memc_mamr = 0xD0802114; - memctl->memc_mcr = 0x80002106; - - udelay (1000); - - /* - * Check Bank 0 Memory Size for re-configuration - * - * try 8 column mode - */ - size8 = dram_size (CONFIG_SYS_MAMR_8COL, (long *) SDRAM_BASE_PRELIM, - SDRAM_MAX_SIZE); - - udelay (1000); - - /* - * try 9 column mode - */ - size9 = dram_size (CONFIG_SYS_MAMR_9COL, (long *) SDRAM_BASE_PRELIM, - SDRAM_MAX_SIZE); - - if (size8 < size9) { /* leave configuration at 9 columns */ - size = size9; -/* debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20); */ - } else { /* back to 8 columns */ - size = size8; - memctl->memc_mamr = CONFIG_SYS_MAMR_8COL; - udelay (500); -/* debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20); */ - } - - udelay (1000); - - memctl->memc_or1 = ((-size) & 0xFFFF0000) | SDRAM_TIMING; - memctl->memc_br1 = (CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; - - udelay (10000); - - return (size); -} - -/* ------------------------------------------------------------------------- */ - -/* - * Check memory range for valid RAM. A simple memory test determines - * the actually available RAM size between addresses `base' and - * `base + maxsize'. Some (not all) hardware errors are detected: - * - short between address lines - * - short between data lines - */ - -static long int dram_size (long int mamr_value, long int *base, - long int maxsize) -{ - volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - - memctl->memc_mamr = mamr_value; - - return (get_ram_size(base, maxsize)); -} - -/* ------------------------------------------------------------------------- */ - -#define PB_LED_3 0x00020000 /* Status LED's */ -#define PB_LED_2 0x00010000 -#define PB_LED_1 0x00008000 -#define PB_LED_0 0x00004000 - -#define PB_LED_ALL (PB_LED_0 | PB_LED_1 | PB_LED_2 | PB_LED_3) - -#define PC_REP_SPD1 0x00000800 -#define PC_REP_SPD0 0x00000400 - -#define PB_RESET_2081 0x00000020 /* Reset PEB2081 */ - -#define PB_MAI_4 0x00000010 /* Configuration */ -#define PB_MAI_3 0x00000008 -#define PB_MAI_2 0x00000004 -#define PB_MAI_1 0x00000002 -#define PB_MAI_0 0x00000001 - -#define PB_MAI_ALL (PB_MAI_0 | PB_MAI_1 | PB_MAI_2 | PB_MAI_3 | PB_MAI_4) - - -#define PC_REP_MGRPRS 0x0200 -#define PC_REP_SPD 0x0040 /* Select 100 Mbps */ -#define PC_REP_RES 0x0004 -#define PC_BIT14 0x0002 /* ??? */ -#define PC_BIT15 0x0001 /* ??? ENDSL ?? */ - -/* ------------------------------------------------------------------------- */ - -static ulong board_init (void) -{ - volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; - ulong reg, revision, speed = 100; - int ethspeed; - char *s; - - if ((s = getenv ("ethspeed")) != NULL) { - if (strcmp (s, "100") == 0) { - ethspeed = 100; - } else if (strcmp (s, "10") == 0) { - ethspeed = 10; - } else { - ethspeed = 0; - } - } else { - ethspeed = 0; - } - - /* Configure Port B Output Pins => 0x0003cc3F */ - reg = PB_LED_ALL | PC_REP_SPD1 | PC_REP_SPD0 | PB_RESET_2081 | - PB_MAI_ALL; - immr->im_cpm.cp_pbpar &= ~reg; - immr->im_cpm.cp_pbodr &= ~reg; - immr->im_cpm.cp_pbdat &= ~reg; /* all 0 */ - immr->im_cpm.cp_pbdir |= reg; - - /* Check hardware revision */ - if ((immr->im_ioport.iop_pcdat & 0x0003) == 0x0003) { - /* - * Revision 3.x hardware - */ - revision = 3; - - immr->im_ioport.iop_pcdat = 0x0240; - immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_SPD | PC_REP_RES | PC_BIT14); /* = 0x0246 */ - immr->im_ioport.iop_pcdat |= PC_REP_RES; - } else { - immr->im_ioport.iop_pcdat = 0x0002; - immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_RES | PC_BIT14 | PC_BIT15); /* = 0x0207 */ - - if ((immr->im_ioport.iop_pcdat & PC_REP_SPD) == 0) { - /* - * Revision 2.x hardware: PC9 connected to PB21 - */ - revision = 2; - - if (ethspeed == 0) { - /* both 10 and 100 Mbps allowed: - * select 10 Mbps and autonegotiation - */ - puts (" [10+100]"); - immr->im_cpm.cp_pbdat = 0; /* SPD1:SPD0 = 0:0 - autonegot. */ - speed = 10; - } else if (ethspeed == 10) { - /* we are asked for 10 Mbps, - * so select 10 Mbps - */ - puts (" [10]"); - immr->im_cpm.cp_pbdat = 0; /* ??? */ - speed = 10; - } else { - /* anything else: - * select 100 Mbps - */ - puts (" [100]"); - immr->im_cpm.cp_pbdat = PC_REP_SPD0 | PC_REP_SPD1; - /* SPD1:SPD0 = 1:1 - 100 Mbps */ - speed = 100; - } - immr->im_ioport.iop_pcdat |= (PC_REP_RES | PC_BIT14); - - /* must be run from RAM */ - /* start_lxt980 (speed); */ - /*************************/ - } else { - /* - * Revision 1.x hardware - */ - revision = 1; - - immr->im_ioport.iop_pcdat = PC_REP_MGRPRS | PC_BIT14; /* = 0x0202 */ - immr->im_ioport.iop_pcdir = (PC_REP_MGRPRS | PC_REP_SPD | PC_REP_RES | PC_BIT14 | PC_BIT15); /* = 0x0247 */ - - if (ethspeed == 0) { - /* both 10 and 100 Mbps allowed: - * select 100 Mbps and autonegotiation - */ - puts (" [10+100]"); - immr->im_cpm.cp_pbdat = 0; /* SPD1:SPD0 = 0:0 - autonegot. */ - immr->im_ioport.iop_pcdat |= PC_REP_SPD; - } else if (ethspeed == 10) { - /* we are asked for 10 Mbps, - * so select 10 Mbps - */ - puts (" [10]"); - immr->im_cpm.cp_pbdat = PC_REP_SPD0; /* SPD1:SPD0 = 0:1 - 10 Mbps */ - } else { - /* anything else: - * select 100 Mbps - */ - puts (" [100]"); - immr->im_cpm.cp_pbdat = PC_REP_SPD0 | PC_REP_SPD1; - /* SPD1:SPD0 = 1:1 - 100 Mbps */ - immr->im_ioport.iop_pcdat |= PC_REP_SPD; - } - - immr->im_ioport.iop_pcdat |= PC_REP_RES; - } - } - SHOW_BOOT_PROGRESS(BOOTSTAGE_ID_CHECK_MAGIC); - - return ((revision << 16) | (speed & 0xFFFF)); -} - -/* ------------------------------------------------------------------------- */ - -#define SCC_SM 1 /* Index => SCC2 */ -#define PROFF PROFF_SCC2 - -#define SMI_MSGLEN 8 /* Length of SMI Messages */ - -#define PHYGPCR_ADDR 0x109 /* Port Enable */ -#define PHYPCR_ADDR 0x132 /* PHY Port Control Reg. (port 1) */ -#define LEDPCR_ADDR 0x141 /* LED Port Control Reg. */ -#define RPRESET_ADDR 0x144 /* Repeater Reset */ - -#define PHYPCR_SPEED 0x2000 /* on for 100 Mbps, off for 10 Mbps */ -#define PHYPCR_AN 0x1000 /* on to enable Auto-Negotiation */ -#define PHYPCR_REST_AN 0x0200 /* on to restart Auto-Negotiation */ -#define PHYPCR_FDX 0x0100 /* on for Full Duplex, off for HDX */ -#define PHYPCR_COLT 0x0080 /* on to enable COL signal test */ - -/* ------------------------------------------------------------------------- */ - -/* - * Must run from RAM: - * uses parameter RAM area which is used for stack while running from ROM - */ -void hermes_start_lxt980 (int speed) -{ - volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; - volatile cpm8xx_t *cp = (cpm8xx_t *) & (immr->im_cpm); - volatile scc_t *sp = (scc_t *) & (cp->cp_scc[SCC_SM]); - volatile cbd_t *bd; - volatile hdlc_pram_t *hp; - uchar smimsg[SMI_MSGLEN]; - ushort phypcrval; - uint bd_off; - int pnr; - - printf ("LXT9880: %3d Mbps\n", speed); - - immr->im_ioport.iop_paodr |= 0x0008; /* init PAODR: PA12 (TXD2) open drain */ - immr->im_ioport.iop_papar |= 0x400c; /* init PAPAR: TXD2, RXD2, BRGO4 */ - immr->im_ioport.iop_padir &= 0xbff3; /* init PADIR: BRGO4 */ - immr->im_ioport.iop_padir |= 0x4000; - - /* get temporary BD; no need for permanent alloc */ - bd_off = dpram_base_align (8); - - bd = (cbd_t *) (immr->im_cpm.cp_dpmem + bd_off); - - bd->cbd_bufaddr = 0; - bd->cbd_datlen = 0; - bd->cbd_sc = BD_SC_WRAP | BD_SC_LAST | BD_SC_INTRPT | BD_SC_TC; - - /* init. baudrate generator BRG4 */ - cp->cp_brgc4 = (0x00010000 | (50 << 1)); /* output 1 MHz */ - - cp->cp_sicr &= 0xFFFF00FF; /* SICR: mask SCC2 */ - cp->cp_sicr |= 0x00001B00; /* SICR: SCC2 clk BRG4 */ - - /* init SCC_SM register */ - sp->scc_psmr = 0x0000; /* init PSMR: no additional flags */ - sp->scc_todr = 0x0000; - sp->scc_dsr = 0x7e7e; - - /* init. SCC_SM parameter area */ - hp = (hdlc_pram_t *) & cp->cp_dparam[PROFF]; - - hp->tbase = bd_off; /* offset from beginning of DPRAM */ - - hp->rfcr = 0x18; - hp->tfcr = 0x18; - hp->mrblr = 10; - - hp->c_mask = 0x0000f0b8; - hp->c_pres = 0x0000ffff; - - hp->disfc = 0; - hp->crcec = 0; - hp->abtsc = 0; - hp->nmarc = 0; - hp->retrc = 0; - - hp->mflr = 10; - - hp->rfthr = 1; - - hp->hmask = 0; - hp->haddr1 = 0; - hp->haddr2 = 0; - hp->haddr3 = 0; - hp->haddr4 = 0; - - cp->cp_cpcr = SCC_SM << 6 | 0x0001; /* SCC_SM: init TX/RX params */ - while (cp->cp_cpcr & CPM_CR_FLG); - - /* clear all outstanding SCC events */ - sp->scc_scce = ~0; - - /* enable transmitter: GSMR_L: TPL=2(16bits), TPP=3(all ones), ENT */ - sp->scc_gsmrh = 0; - sp->scc_gsmrl |= SCC_GSMRL_TPL_16 | SCC_GSMRL_TPP_ALL1 | - SCC_GSMRL_ENT | SCC_GSMRL_MODE_HDLC; - -#if 0 - smimsg[0] = 0x00; /* CHIP/HUB ID */ - smimsg[1] = 0x38; /* WRITE CMD */ - smimsg[2] = (RPRESET_ADDR << 4) & 0xf0; - smimsg[3] = RPRESET_ADDR >> 4; - smimsg[4] = 0x01; - smimsg[5] = 0x00; - smimsg[6] = 0x00; - smimsg[7] = 0x00; - - send_smi_frame (sp, bd, smimsg); -#endif - - smimsg[0] = 0x7f; /* BROADCAST */ - smimsg[1] = 0x34; /* ASSIGN HUB ID */ - smimsg[2] = 0x00; - smimsg[3] = 0x00; - smimsg[4] = 0x00; /* HUB ID = 0 */ - smimsg[5] = 0x00; - smimsg[6] = 0x00; - smimsg[7] = 0x00; - - send_smi_frame (sp, bd, smimsg); - - smimsg[0] = 0x7f; /* BROADCAST */ - smimsg[1] = 0x3c; /* SET ARBOUT TO 0 */ - smimsg[2] = 0x00; /* ADDRESS = 0 */ - smimsg[3] = 0x00; - smimsg[4] = 0x00; /* DATA = 0 */ - smimsg[5] = 0x00; - smimsg[6] = 0x00; - smimsg[7] = 0x00; - - send_smi_frame (sp, bd, smimsg); - - if (speed == 100) { - phypcrval = PHYPCR_SPEED; /* 100 MBIT, disable autoneg. */ - } else { - phypcrval = 0; /* 10 MBIT, disable autoneg. */ - } - - /* send MSGs */ - for (pnr = 0; pnr < 8; pnr++) { - smimsg[0] = 0x00; /* CHIP/HUB ID */ - smimsg[1] = 0x38; /* WRITE CMD */ - smimsg[2] = ((PHYPCR_ADDR + pnr) << 4) & 0xf0; - smimsg[3] = (PHYPCR_ADDR + pnr) >> 4; - smimsg[4] = (unsigned char) (phypcrval & 0xff); - smimsg[5] = (unsigned char) (phypcrval >> 8); - smimsg[6] = 0x00; - smimsg[7] = 0x00; - - send_smi_frame (sp, bd, smimsg); - } - - smimsg[0] = 0x00; /* CHIP/HUB ID */ - smimsg[1] = 0x38; /* WRITE CMD */ - smimsg[2] = (PHYGPCR_ADDR << 4) & 0xf0; - smimsg[3] = PHYGPCR_ADDR >> 4; - smimsg[4] = 0xff; /* enable port 1-8 */ - smimsg[5] = 0x01; /* enable MII1 (0x01) */ - smimsg[6] = 0x00; - smimsg[7] = 0x00; - - send_smi_frame (sp, bd, smimsg); - - smimsg[0] = 0x00; /* CHIP/HUB ID */ - smimsg[1] = 0x38; /* WRITE CMD */ - smimsg[2] = (LEDPCR_ADDR << 4) & 0xf0; - smimsg[3] = LEDPCR_ADDR >> 4; - smimsg[4] = 0xaa; /* Port 1-8 Conf.bits = 10 (Hardware control) */ - smimsg[5] = 0xaa; - smimsg[6] = 0x00; - smimsg[7] = 0x00; - - send_smi_frame (sp, bd, smimsg); - - /* - * Disable Transmitter (so that we can free the BD, too) - */ - sp->scc_gsmrl &= ~SCC_GSMRL_ENT; -} - -/* ------------------------------------------------------------------------- */ - -static void send_smi_frame (volatile scc_t * sp, volatile cbd_t * bd, - uchar * msg) -{ -#ifdef DEBUG - unsigned hub, chip, cmd, length, addr; - - hub = msg[0] & 0x1F; - chip = msg[0] >> 5; - cmd = msg[1] & 0x1F; - length = (msg[1] >> 5) | ((msg[2] & 0x0F) << 3); - addr = (msg[2] >> 4) | (msg[3] << 4); - - printf ("SMI send: Hub %02x Chip %x Cmd %02x Len %d Addr %03x: " - "%02x %02x %02x %02x\n", - hub, chip, cmd, length, addr, msg[4], msg[5], msg[6], msg[7]); -#endif /* DEBUG */ - - bd->cbd_bufaddr = (uint) msg; - bd->cbd_datlen = SMI_MSGLEN; - bd->cbd_sc |= BD_SC_READY; - - /* wait for msg transmitted */ - while ((sp->scc_scce & 0x0002) == 0); - /* clear all events */ - sp->scc_scce = ~0; -} - -/* ------------------------------------------------------------------------- */ - -void show_boot_progress (int status) -{ - volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; - - /* let things compatible */ - if (status < -BOOTSTAGE_ID_POST_FAIL_R) - status = -1; - status ^= 0x0F; - status = (status & 0x0F) << 14; - immr->im_cpm.cp_pbdat = (immr->im_cpm.cp_pbdat & ~PB_LED_ALL) | status; -} - -/* ------------------------------------------------------------------------- */ |