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-rw-r--r--cpu/mpc85xx/cpu.c91
-rw-r--r--cpu/mpc85xx/spd_sdram.c316
-rw-r--r--cpu/mpc85xx/speed.c4
-rw-r--r--cpu/mpc85xx/start.S66
-rw-r--r--cpu/mpc85xx/tsec.c792
-rw-r--r--cpu/mpc85xx/tsec.h179
6 files changed, 1041 insertions, 407 deletions
diff --git a/cpu/mpc85xx/cpu.c b/cpu/mpc85xx/cpu.c
index 64f2782..55593d9 100644
--- a/cpu/mpc85xx/cpu.c
+++ b/cpu/mpc85xx/cpu.c
@@ -1,4 +1,5 @@
/*
+ * Copyright 2004 Freescale Semiconductor.
* (C) Copyright 2002, 2003 Motorola Inc.
* Xianghua Xiao (X.Xiao@motorola.com)
*
@@ -33,17 +34,87 @@
int checkcpu (void)
{
- uint pir = get_pir();
- uint pvr = get_pvr();
+ sys_info_t sysinfo;
+ uint lcrr; /* local bus clock ratio register */
+ uint clkdiv; /* clock divider portion of lcrr */
+ uint pvr, svr;
+ uint ver;
+ uint major, minor;
+
+ puts("Freescale PowerPC\n");
+
+ pvr = get_pvr();
+ ver = PVR_VER(pvr);
+ major = PVR_MAJ(pvr);
+ minor = PVR_MIN(pvr);
+
+ printf(" Core: ");
+ switch (ver) {
+ case PVR_VER(PVR_85xx):
+ puts("E500");
+ break;
+ default:
+ puts("Unknown");
+ break;
+ }
+ printf(", Version: %d.%d, (0x%08x)\n", major, minor, pvr);
+
+ svr = get_svr();
+ ver = SVR_VER(svr);
+ major = SVR_MAJ(svr);
+ minor = SVR_MIN(svr);
- printf("Motorola PowerPC ProcessorID=%08x Rev. ",pir);
- switch(pvr) {
+ puts(" System: ");
+ switch (ver) {
+ case SVR_8540:
+ puts("8540");
+ break;
+ case SVR_8541:
+ puts("8541");
+ break;
+ case SVR_8555:
+ puts("8555");
+ break;
+ case SVR_8560:
+ puts("8560");
+ break;
default:
- printf("PVR=%08x", pvr);
+ puts("Unknown");
break;
}
+ printf(", Version: %d.%d, (0x%08x)\n", major, minor, svr);
+
+ get_sys_info(&sysinfo);
- printf("\n");
+ puts(" Clocks: ");
+ printf("CPU:%4lu MHz, ", sysinfo.freqProcessor / 1000000);
+ printf("CCB:%4lu MHz, ", sysinfo.freqSystemBus / 1000000);
+ printf("DDR:%4lu MHz, ", sysinfo.freqSystemBus / 2000000);
+
+#if defined(CFG_LBC_LCRR)
+ lcrr = CFG_LBC_LCRR;
+#else
+ {
+ volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile ccsr_lbc_t *lbc= &immap->im_lbc;
+
+ lcrr = lbc->lcrr;
+ }
+#endif
+ clkdiv = lcrr & 0x0f;
+ if (clkdiv == 2 || clkdiv == 4 || clkdiv == 8) {
+ printf("LBC:%4lu MHz\n",
+ sysinfo.freqSystemBus / 1000000 / clkdiv);
+ } else {
+ printf(" LBC: unknown (lcrr: 0x%08x)\n", lcrr);
+ }
+
+ if (ver == SVR_8560) {
+ printf(" CPM: %lu Mhz\n",
+ sysinfo.freqSystemBus / 1000000);
+ }
+
+ puts(" L1 D-cache 32KB, L1 I-cache 32KB enabled.\n");
return 0;
}
@@ -57,8 +128,12 @@ int do_reset (cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[])
* Initiate hard reset in debug control register DBCR0
* Make sure MSR[DE] = 1
*/
- __asm__ __volatile__("lis 3, 0x7000" ::: "r3");
- mtspr(DBCR0,3);
+ unsigned long val;
+
+ val = mfspr(DBCR0);
+ val |= 0x70000000;
+ mtspr(DBCR0,val);
+
return 1;
}
diff --git a/cpu/mpc85xx/spd_sdram.c b/cpu/mpc85xx/spd_sdram.c
index ccd06e9..02b29ad 100644
--- a/cpu/mpc85xx/spd_sdram.c
+++ b/cpu/mpc85xx/spd_sdram.c
@@ -1,4 +1,5 @@
/*
+ * Copyright 2004 Freescale Semiconductor.
* (C) Copyright 2003 Motorola Inc.
* Xianghua Xiao (X.Xiao@motorola.com)
*
@@ -29,15 +30,7 @@
#ifdef CONFIG_SPD_EEPROM
-#undef DEBUG
-
-#if defined(DEBUG)
-#define DEB(x) x
-#else
-#define DEB(x)
-#endif
-
-#define ns2clk(ns) ((ns) / (2000000000 /get_bus_freq(0) + 1))
+#define ns2clk(ns) ((ns) / (2000000000 /get_bus_freq(0) + 1) + 1)
long int spd_sdram(void) {
volatile immap_t *immap = (immap_t *)CFG_IMMR;
@@ -61,64 +54,62 @@ long int spd_sdram(void) {
ddr->cs0_bnds = ((spd.row_dens>>2) - 1);
ddr->cs0_config = ( 1<<31 | (spd.nrow_addr-12)<<8 | (spd.ncol_addr-8) );
- DEB(printf("\n"));
- DEB(printf("cs0_bnds = 0x%08x\n",ddr->cs0_bnds));
- DEB(printf("cs0_config = 0x%08x\n",ddr->cs0_config));
+ debug ("\n");
+ debug ("cs0_bnds = 0x%08x\n",ddr->cs0_bnds);
+ debug ("cs0_config = 0x%08x\n",ddr->cs0_config);
if ( spd.nrows == 2 ) {
ddr->cs1_bnds = ((spd.row_dens<<14) | ((spd.row_dens>>1) - 1));
ddr->cs1_config = ( 1<<31 | (spd.nrow_addr-12)<<8 | (spd.ncol_addr-8) );
- DEB(printf("cs1_bnds = 0x%08x\n",ddr->cs1_bnds));
- DEB(printf("cs1_config = 0x%08x\n",ddr->cs1_config));
+ debug ("cs1_bnds = 0x%08x\n",ddr->cs1_bnds);
+ debug ("cs1_config = 0x%08x\n",ddr->cs1_config);
}
memsize = spd.nrows * (4 * spd.row_dens);
- if( spd.mem_type == 0x07 ) {
- printf("DDR module detected, total size:%dMB.\n",memsize);
- } else {
+ if( spd.mem_type != 0x07 ) {
printf("No DDR module found!\n");
return 0;
}
- switch(memsize) {
- case 16:
- tmp = 7; /* TLB size */
- tmp1 = 1; /* TLB entry number */
- tmp2 = 23; /* Local Access Window size */
- break;
- case 32:
- tmp = 7;
- tmp1 = 2;
- tmp2 = 24;
- break;
- case 64:
- tmp = 8;
- tmp1 = 1;
- tmp2 = 25;
- break;
- case 128:
- tmp = 8;
- tmp1 = 2;
- tmp2 = 26;
- break;
- case 256:
- tmp = 9;
- tmp1 = 1;
- tmp2 = 27;
- break;
- case 512:
- tmp = 9;
- tmp1 = 2;
- tmp2 = 28;
- break;
- case 1024:
- tmp = 10;
- tmp1 = 1;
- tmp2 = 29;
- break;
- default:
- printf("DDR:we only added support 16M,32M,64M,128M,256M,512M and 1G DDR I.\n");
- return 0;
- break;
+ switch (memsize) {
+ case 16:
+ tmp = 7; /* TLB size */
+ tmp1 = 1; /* TLB entry number */
+ tmp2 = 23; /* Local Access Window size */
+ break;
+ case 32:
+ tmp = 7;
+ tmp1 = 2;
+ tmp2 = 24;
+ break;
+ case 64:
+ tmp = 8;
+ tmp1 = 1;
+ tmp2 = 25;
+ break;
+ case 128:
+ tmp = 8;
+ tmp1 = 2;
+ tmp2 = 26;
+ break;
+ case 256:
+ tmp = 9;
+ tmp1 = 1;
+ tmp2 = 27;
+ break;
+ case 512:
+ tmp = 9;
+ tmp1 = 2;
+ tmp2 = 28;
+ break;
+ case 1024:
+ tmp = 10;
+ tmp1 = 1;
+ tmp2 = 29;
+ break;
+ default:
+ printf ("DDR:we only added support 16M,32M,64M,128M,256M,512M and 1G DDR I.\n");
+ return 0;
+ break;
}
/* configure DDR TLB to TLB1 Entry 4,5 */
@@ -127,12 +118,12 @@ long int spd_sdram(void) {
mtspr(MAS2, TLB1_MAS2(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,0,0,0));
mtspr(MAS3, TLB1_MAS3(((CFG_DDR_SDRAM_BASE>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1));
asm volatile("isync;msync;tlbwe;isync");
- DEB(printf("DDR:MAS0=0x%08x\n",TLB1_MAS0(1,4,0)));
- DEB(printf("DDR:MAS1=0x%08x\n",TLB1_MAS1(1,1,0,0,tmp)));
- DEB(printf("DDR:MAS2=0x%08x\n",TLB1_MAS2(((CFG_DDR_SDRAM_BASE>>12) \
- & 0xfffff),0,0,0,0,0,0,0,0)));
- DEB(printf("DDR:MAS3=0x%08x\n",TLB1_MAS3(((CFG_DDR_SDRAM_BASE>>12) \
- & 0xfffff),0,0,0,0,0,1,0,1,0,1)));
+ debug ("DDR:MAS0=0x%08x\n",TLB1_MAS0(1,4,0));
+ debug ("DDR:MAS1=0x%08x\n",TLB1_MAS1(1,1,0,0,tmp));
+ debug ("DDR:MAS2=0x%08x\n",TLB1_MAS2(((CFG_DDR_SDRAM_BASE>>12) \
+ & 0xfffff),0,0,0,0,0,0,0,0));
+ debug ("DDR:MAS3=0x%08x\n",TLB1_MAS3(((CFG_DDR_SDRAM_BASE>>12) \
+ & 0xfffff),0,0,0,0,0,1,0,1,0,1));
if(tmp1 == 2) {
mtspr(MAS0, TLB1_MAS0(1,5,0));
@@ -142,28 +133,28 @@ long int spd_sdram(void) {
mtspr(MAS3, TLB1_MAS3((((CFG_DDR_SDRAM_BASE+(memsize*1024*1024)/2)>>12) \
& 0xfffff),0,0,0,0,0,1,0,1,0,1));
asm volatile("isync;msync;tlbwe;isync");
- DEB(printf("DDR:MAS0=0x%08x\n",TLB1_MAS0(1,5,0)));
- DEB(printf("DDR:MAS1=0x%08x\n",TLB1_MAS1(1,1,0,0,tmp)));
- DEB(printf("DDR:MAS2=0x%08x\n",TLB1_MAS2((((CFG_DDR_SDRAM_BASE \
- +(memsize*1024*1024)/2)>>12) & 0xfffff),0,0,0,0,0,0,0,0)));
- DEB(printf("DDR:MAS3=0x%08x\n",TLB1_MAS3((((CFG_DDR_SDRAM_BASE \
- +(memsize*1024*1024)/2)>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1)));
+ debug ("DDR:MAS0=0x%08x\n",TLB1_MAS0(1,5,0));
+ debug ("DDR:MAS1=0x%08x\n",TLB1_MAS1(1,1,0,0,tmp));
+ debug ("DDR:MAS2=0x%08x\n",TLB1_MAS2((((CFG_DDR_SDRAM_BASE \
+ +(memsize*1024*1024)/2)>>12) & 0xfffff),0,0,0,0,0,0,0,0));
+ debug ("DDR:MAS3=0x%08x\n",TLB1_MAS3((((CFG_DDR_SDRAM_BASE \
+ +(memsize*1024*1024)/2)>>12) & 0xfffff),0,0,0,0,0,1,0,1,0,1));
}
#if defined(CONFIG_RAM_AS_FLASH)
ecm->lawbar2 = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff);
ecm->lawar2 = (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & tmp2));
- DEB(printf("DDR:LAWBAR2=0x%08x\n",ecm->lawbar2));
- DEB(printf("DDR:LARAR2=0x%08x\n",ecm->lawar2));
+ debug ("DDR:LAWBAR2=0x%08x\n",ecm->lawbar2);
+ debug ("DDR:LARAR2=0x%08x\n",ecm->lawar2);
#else
ecm->lawbar1 = ((CFG_DDR_SDRAM_BASE>>12) & 0xfffff);
ecm->lawar1 = (LAWAR_EN | LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & tmp2));
- DEB(printf("DDR:LAWBAR1=0x%08x\n",ecm->lawbar1));
- DEB(printf("DDR:LARAR1=0x%08x\n",ecm->lawar1));
+ debug ("DDR:LAWBAR1=0x%08x\n",ecm->lawbar1);
+ debug ("DDR:LARAR1=0x%08x\n",ecm->lawar1);
#endif
tmp = 20000/(((spd.clk_cycle & 0xF0) >> 4) * 10 + (spd.clk_cycle & 0x0f));
- DEB(printf("DDR:Module maximum data rate is: %dMhz\n",tmp));
+ debug ("DDR:Module maximum data rate is: %dMhz\n",tmp);
/* find the largest CAS */
if(spd.cas_lat & 0x40) {
@@ -186,13 +177,16 @@ long int spd_sdram(void) {
}
tmp1 = get_bus_freq(0)/1000000;
- if(tmp1<230 && tmp1>=90 && tmp>=230) { /* 90~230 range, treated as DDR 200 */
+ if(tmp1<230 && tmp1>=90 && tmp>=230) {
+ /* 90~230 range, treated as DDR 200 */
if(spd.clk_cycle3 == 0xa0) caslat -= 2;
else if(spd.clk_cycle2 == 0xa0) caslat--;
- } else if(tmp1<280 && tmp1>=230 && tmp>=280) { /* 230-280 range, treated as DDR 266 */
+ } else if(tmp1<280 && tmp1>=230 && tmp>=280) {
+ /* 230-280 range, treated as DDR 266 */
if(spd.clk_cycle3 == 0x75) caslat -= 2;
else if(spd.clk_cycle2 == 0x75) caslat--;
- } else if(tmp1<350 && tmp1>=280 && tmp>=350) { /* 280~350 range, treated as DDR 333 */
+ } else if(tmp1<350 && tmp1>=280 && tmp>=350) {
+ /* 280~350 range, treated as DDR 333 */
if(spd.clk_cycle3 == 0x60) caslat -= 2;
else if(spd.clk_cycle2 == 0x60) caslat--;
} else if(tmp1<90 || tmp1 >=350) { /* DDR rate out-of-range */
@@ -200,9 +194,10 @@ long int spd_sdram(void) {
return 0;
}
- /* note: caslat must also be programmed into ddr->sdram_mode register */
- /* note: WRREC(Twr) and WRTORD(Twtr) are not in SPD,use conservative value here */
-#if 1
+ /* note: caslat must also be programmed into ddr->sdram_mode
+ register */
+ /* note: WRREC(Twr) and WRTORD(Twtr) are not in SPD,use
+ conservative value here */
ddr->timing_cfg_1 = (((ns2clk(spd.trp/4) & 0x07) << 28 ) | \
((ns2clk(spd.tras) & 0x0f ) << 24 ) | \
((ns2clk(spd.trcd/4) & 0x07) << 20 ) | \
@@ -210,72 +205,66 @@ long int spd_sdram(void) {
(((ns2clk(spd.sset[6]) - 8) & 0x0f) << 12 ) | \
( 0x300 ) | \
((ns2clk(spd.trrd/4) & 0x07) << 4) | 1);
-#else
- ddr->timing_cfg_1 = 0x37344321;
- caslat = 4;
-#endif
- DEB(printf("DDR:timing_cfg_1=0x%08x\n",ddr->timing_cfg_1));
- /* note: hand-coded value for timing_cfg_2, see Errata DDR1*/
-#if defined(CONFIG_MPC85xx_REV1)
+ debug ("DDR:timing_cfg_1=0x%08x\n",ddr->timing_cfg_1);
+
ddr->timing_cfg_2 = 0x00000800;
-#endif
- DEB(printf("DDR:timing_cfg_2=0x%08x\n",ddr->timing_cfg_2));
+ debug ("DDR:timing_cfg_2=0x%08x\n",ddr->timing_cfg_2);
/* only DDR I is supported, DDR I and II have different mode-register-set definition */
/* burst length is always 4 */
switch(caslat) {
- case 2:
- ddr->sdram_mode = 0x52; /* 1.5 */
- break;
- case 3:
- ddr->sdram_mode = 0x22; /* 2.0 */
- break;
- case 4:
- ddr->sdram_mode = 0x62; /* 2.5 */
- break;
- case 5:
- ddr->sdram_mode = 0x32; /* 3.0 */
- break;
- default:
- printf("DDR:only CAS Latency 1.5,2.0,2.5,3.0 is supported.\n");
- return 0;
+ case 2:
+ ddr->sdram_mode = 0x52; /* 1.5 */
+ break;
+ case 3:
+ ddr->sdram_mode = 0x22; /* 2.0 */
+ break;
+ case 4:
+ ddr->sdram_mode = 0x62; /* 2.5 */
+ break;
+ case 5:
+ ddr->sdram_mode = 0x32; /* 3.0 */
+ break;
+ default:
+ printf("DDR:only CAS Latency 1.5,2.0,2.5,3.0 is supported.\n");
+ return 0;
}
- DEB(printf("DDR:sdram_mode=0x%08x\n",ddr->sdram_mode));
+ debug ("DDR:sdram_mode=0x%08x\n",ddr->sdram_mode);
switch(spd.refresh) {
- case 0x00:
- case 0x80:
- tmp = ns2clk(15625);
- break;
- case 0x01:
- case 0x81:
- tmp = ns2clk(3900);
- break;
- case 0x02:
- case 0x82:
- tmp = ns2clk(7800);
- break;
- case 0x03:
- case 0x83:
- tmp = ns2clk(31300);
- break;
- case 0x04:
- case 0x84:
- tmp = ns2clk(62500);
- break;
- case 0x05:
- case 0x85:
- tmp = ns2clk(125000);
- break;
- default:
- tmp = 0x512;
- break;
+ case 0x00:
+ case 0x80:
+ tmp = ns2clk(15625);
+ break;
+ case 0x01:
+ case 0x81:
+ tmp = ns2clk(3900);
+ break;
+ case 0x02:
+ case 0x82:
+ tmp = ns2clk(7800);
+ break;
+ case 0x03:
+ case 0x83:
+ tmp = ns2clk(31300);
+ break;
+ case 0x04:
+ case 0x84:
+ tmp = ns2clk(62500);
+ break;
+ case 0x05:
+ case 0x85:
+ tmp = ns2clk(125000);
+ break;
+ default:
+ tmp = 0x512;
+ break;
}
/* set BSTOPRE to 0x100 for page mode, if auto-charge is used, set BSTOPRE = 0 */
ddr->sdram_interval = ((tmp & 0x3fff) << 16) | 0x100;
- DEB(printf("DDR:sdram_interval=0x%08x\n",ddr->sdram_interval));
+ debug ("DDR:sdram_interval=0x%08x\n",ddr->sdram_interval);
/* is this an ECC DDR chip? */
#if defined(CONFIG_DDR_ECC)
@@ -283,24 +272,71 @@ long int spd_sdram(void) {
ddr->err_disable = 0x0000000d;
ddr->err_sbe = 0x00ff0000;
}
- DEB(printf("DDR:err_disable=0x%08x\n",ddr->err_disable));
- DEB(printf("DDR:err_sbe=0x%08x\n",ddr->err_sbe));
+ debug ("DDR:err_disable=0x%08x\n",ddr->err_disable);
+ debug ("DDR:err_sbe=0x%08x\n",ddr->err_sbe);
#endif
asm("sync;isync;msync");
udelay(500);
- /* registered or unbuffered? */
+#ifdef MPC85xx_DDR_SDRAM_CLK_CNTL
+ /* Setup the clock control (8555 and later)
+ * SDRAM_CLK_CNTL[0] = Source synchronous enable == 1
+ * SDRAM_CLK_CNTL[5-7] = Clock Adjust == 3 (3/4 cycle late)
+ */
+ ddr->sdram_clk_cntl = 0x83000000;
+#endif
+
+ /* Figure out the settings for the sdram_cfg register. Build up
+ * the entire register in 'tmp' before writing since the write into
+ * the register will actually enable the memory controller, and all
+ * settings must be done before enabling.
+ *
+ * sdram_cfg[0] = 1 (ddr sdram logic enable)
+ * sdram_cfg[1] = 1 (self-refresh-enable)
+ * sdram_cfg[6:7] = 2 (SDRAM type = DDR SDRAM)
+ */
+ tmp = 0xc2000000;
+
+ /* sdram_cfg[3] = RD_EN - registered DIMM enable
+ * A value of 0x26 indicates micron registered DIMMS (micron.com)
+ */
+ if (spd.mod_attr == 0x26) {
+ tmp |= 0x10000000;
+ }
+
#if defined(CONFIG_DDR_ECC)
- ddr->sdram_cfg = (spd.config == 0x02)?0x20000000:0x0;
+ /* If the user wanted ECC (enabled via sdram_cfg[2]) */
+ if (spd.config == 0x02) {
+ tmp |= 0x20000000;
+ }
+#endif
+
+
+ /*
+ * REV1 uses 1T timing.
+ * REV2 may use 1T or 2T as configured by the user.
+ */
+ {
+ uint pvr = get_pvr();
+
+ if (pvr != PVR_85xx_REV1) {
+#if defined(CONFIG_DDR_2T_TIMING)
+ /*
+ * Enable 2T timing by setting sdram_cfg[16].
+ */
+ tmp |= 0x8000;
#endif
- ddr->sdram_cfg = 0xc2000000|((spd.mod_attr == 0x20) ? 0x0 : \
- ((spd.mod_attr == 0x26) ? 0x10000000:0x0));
+ }
+ }
+
+ ddr->sdram_cfg = tmp;
+
asm("sync;isync;msync");
udelay(500);
- DEB(printf("DDR:sdram_cfg=0x%08x\n",ddr->sdram_cfg));
+ debug ("DDR:sdram_cfg=0x%08x\n",ddr->sdram_cfg);
return (memsize*1024*1024);
}
diff --git a/cpu/mpc85xx/speed.c b/cpu/mpc85xx/speed.c
index a720cff..d40cd8c 100644
--- a/cpu/mpc85xx/speed.c
+++ b/cpu/mpc85xx/speed.c
@@ -1,4 +1,5 @@
/*
+ * Copyright 2004 Freescale Semiconductor.
* (C) Copyright 2003 Motorola Inc.
* Xianghua Xiao, (X.Xiao@motorola.com)
*
@@ -30,10 +31,9 @@
/* --------------------------------------------------------------- */
-#define ONE_BILLION 1000000000
-
void get_sys_info (sys_info_t * sysInfo)
{
+ DECLARE_GLOBAL_DATA_PTR;
volatile immap_t *immap = (immap_t *)CFG_IMMR;
volatile ccsr_gur_t *gur = &immap->im_gur;
uint plat_ratio,e500_ratio;
diff --git a/cpu/mpc85xx/start.S b/cpu/mpc85xx/start.S
index b2baf02..040b88d 100644
--- a/cpu/mpc85xx/start.S
+++ b/cpu/mpc85xx/start.S
@@ -1,4 +1,5 @@
/*
+ * Copyright 2004 Freescale Semiconductor.
* Copyright (C) 2003 Motorola,Inc.
* Xianghua Xiao<X.Xiao@motorola.com>
*
@@ -83,18 +84,39 @@
.globl _start_e500
_start_e500:
-#if defined(CONFIG_MPC85xx_REV1)
+ mfspr r0, PVR
+ lis r1, PVR_85xx_REV1@h
+ ori r1, r1, PVR_85xx_REV1@l
+ cmpw r0, r1
+ bne 1f
+
+ /* Semi-bogus errata fixup for Rev 1 */
li r0,0x2000
mtspr 977,r0
-#endif
- /* Clear and set up some registers. Note: Some registers need strict
- * synchronization by sync/mbar/msync/isync when being "mtspr".
+ /*
+ * Before invalidating MMU L1/L2, read TLB1 Entry 0 and then
+ * write it back immediately to fixup a Rev 1 bug (Errata CPU4)
+ * for this initial TLB1 entry 0, otherwise the TLB1 entry 0
+ * will be invalidated (incorrectly).
+ */
+ lis r2,0x1000
+ mtspr MAS0,r2
+ tlbre
+ tlbwe
+ isync
+
+1:
+ /*
+ * Clear and set up some registers.
+ * Note: Some registers need strict synchronization by
+ * sync/mbar/msync/isync when being "mtspr".
* BookE: isync before PID,tlbivax,tlbwe
* BookE: isync after MSR,PID; msync_isync after tlbivax & tlbwe
* E500: msync,isync before L1CSR0
- * E500: isync after BBEAR,BBTAR,BUCSR,DBCR0,DBCR1,HID0,HID1,L1CSR0
- * L1CSR1, MAS[0,1,2,3,4,6],MMUCSR0, PID[0,1,2],SPEFCSR
+ * E500: isync after BBEAR,BBTAR,BUCSR,DBCR0,DBCR1,HID0,HID1,
+ * L1CSR0, L1CSR1, MAS[0,1,2,3,4,6],MMUCSR0, PID[0,1,2],
+ * SPEFCSR
*/
/* invalidate d-cache */
@@ -173,7 +195,8 @@ _start_e500:
isync
/* Setup interrupt vectors */
- mtspr IVPR, r0
+ lis r1,0xfff8
+ mtspr IVPR, r1
li r1,0x0100
mtspr IVOR0,r1 /* 0: Critical input */
@@ -203,21 +226,15 @@ _start_e500:
li r1,0x2000
mtspr IVOR15,r1 /* 15: Debug */
- /* invalidate MMU L1/L2 */
- /* Note: before invalidate MMU L1/L2, we read TLB1 Entry 0 and then
- * write it back immediately to fixup a bug(Errata CPU4) for this initial
- * TLB1 entry 0,otherwise the TLB1 entry 0 will be invalidated.
+ /*
+ * Invalidate MMU L1/L2
+ *
+ * Note: There is a fixup earlier for Errata CPU4 on
+ * Rev 1 parts that must precede this MMU invalidation.
*/
-#if defined(CONFIG_MPC85xx_REV1)
- lis r2,0x1000
- mtspr MAS0,r2
- tlbre
- tlbwe
- isync
li r2, 0x001e
mtspr MMUCSR0, r2
isync
-#endif
/* After reset, CCSRBAR is located at CFG_CCSRBAR_DEFAULT, i.e.
* 0xff700000-0xff800000. We need add a TLB1 entry for this 1MB
@@ -278,9 +295,11 @@ _start_e500:
li r3,4
li r4,0
tlbivax r4,r3
-#if defined(CONFIG_MPC85xx_REV1) /* Errata CPU6 */
- nop
-#endif
+ /*
+ * To avoid REV1 Errata CPU6 issues, make sure
+ * the instruction following tlbivax is not a store.
+ */
+
/* set up local access windows, defined at board/<boardname>/init.S */
lis r7,CFG_CCSRBAR@h
@@ -781,6 +800,11 @@ get_pvr:
mfspr r3, PVR
blr
+ .globl get_svr
+get_svr:
+ mfspr r3, SVR
+ blr
+
.globl wr_tcr
wr_tcr:
mtspr TCR, r3
diff --git a/cpu/mpc85xx/tsec.c b/cpu/mpc85xx/tsec.c
index 2d0517a..0d858ed 100644
--- a/cpu/mpc85xx/tsec.c
+++ b/cpu/mpc85xx/tsec.c
@@ -1,13 +1,14 @@
/*
* tsec.c
- * Motorola Three Speed Ethernet Controller driver
+ * Freescale Three Speed Ethernet Controller driver
*
* This software may be used and distributed according to the
* terms of the GNU Public License, Version 2, incorporated
* herein by reference.
*
+ * Copyright 2004 Freescale Semiconductor.
* (C) Copyright 2003, Motorola, Inc.
- * maintained by Xianghua Xiao (x.xiao@motorola.com)
+ * maintained by Jon Loeliger (loeliger@freescale.com)
* author Andy Fleming
*
*/
@@ -26,9 +27,9 @@
#undef TSEC_DEBUG
#ifdef TSEC_DEBUG
-#define DBGPRINT(x) printf(x)
+#define DBGPRINT(x,y) printf(x,y)
#else
-#define DBGPRINT(x)
+#define DBGPRINT(x,y)
#endif
static uint rxIdx; /* index of the current RX buffer */
@@ -39,6 +40,59 @@ typedef volatile struct rtxbd {
rxbd8_t rxbd[PKTBUFSRX];
} RTXBD;
+struct tsec_info_struct {
+ unsigned int phyaddr;
+ unsigned int gigabit;
+ unsigned int phyregidx;
+};
+
+
+/* The tsec_info structure contains 3 values which the
+ * driver uses to determine how to operate a given ethernet
+ * device. For now, the structure is initialized with the
+ * knowledge that all current implementations have 2 TSEC
+ * devices, and one FEC. The information needed is:
+ * phyaddr - The address of the PHY which is attached to
+ * the given device.
+ *
+ * gigabit - This variable indicates whether the device
+ * supports gigabit speed ethernet
+ *
+ * phyregidx - This variable specifies which ethernet device
+ * controls the MII Management registers which are connected
+ * to the PHY. For 8540/8560, only TSEC1 (index 0) has
+ * access to the PHYs, so all of the entries have "0".
+ *
+ * The values specified in the table are taken from the board's
+ * config file in include/configs/. When implementing a new
+ * board with ethernet capability, it is necessary to define:
+ * TSEC1_PHY_ADDR
+ * TSEC1_PHYIDX
+ * TSEC2_PHY_ADDR
+ * TSEC2_PHYIDX
+ *
+ * and for 8560:
+ * FEC_PHY_ADDR
+ * FEC_PHYIDX
+ */
+static struct tsec_info_struct tsec_info[] = {
+#ifdef CONFIG_MPC85XX_TSEC1
+ {TSEC1_PHY_ADDR, 1, TSEC1_PHYIDX},
+#endif
+#ifdef CONFIG_MPC85XX_TSEC2
+ {TSEC2_PHY_ADDR, 1, TSEC2_PHYIDX},
+#endif
+#ifdef CONFIG_MPC85XX_FEC
+ {FEC_PHY_ADDR, 0, FEC_PHYIDX},
+#endif
+};
+
+#define MAXCONTROLLERS 3
+
+static int relocated = 0;
+
+static struct tsec_private *privlist[MAXCONTROLLERS];
+
#ifdef __GNUC__
static RTXBD rtx __attribute__ ((aligned(8)));
#else
@@ -49,31 +103,48 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length);
static int tsec_recv(struct eth_device* dev);
static int tsec_init(struct eth_device* dev, bd_t * bd);
static void tsec_halt(struct eth_device* dev);
-static void init_registers(tsec_t *regs);
-static void startup_tsec(tsec_t *regs);
-static void init_phy(tsec_t *regs);
-uint read_phy_reg(tsec_t *regbase, uint phyid, uint offset);
-
-static int phy_id = -1;
-
-/* Initialize device structure. returns 0 on failure, 1 on
- * success */
-int tsec_initialize(bd_t *bis)
+static void init_registers(volatile tsec_t *regs);
+static void startup_tsec(struct eth_device *dev);
+static int init_phy(struct eth_device *dev);
+void write_phy_reg(struct tsec_private *priv, uint regnum, uint value);
+uint read_phy_reg(struct tsec_private *priv, uint regnum);
+struct phy_info * get_phy_info(struct eth_device *dev);
+void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd);
+static void adjust_link(struct eth_device *dev);
+static void relocate_cmds(void);
+
+/* Initialize device structure. Returns success if PHY
+ * initialization succeeded (i.e. if it recognizes the PHY)
+ */
+int tsec_initialize(bd_t *bis, int index)
{
struct eth_device* dev;
int i;
- tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
+ struct tsec_private *priv;
dev = (struct eth_device*) malloc(sizeof *dev);
- if(dev == NULL)
+ if(NULL == dev)
return 0;
memset(dev, 0, sizeof *dev);
- sprintf(dev->name, "MOTO ETHERNET");
+ priv = (struct tsec_private *) malloc(sizeof(*priv));
+
+ if(NULL == priv)
+ return 0;
+
+ privlist[index] = priv;
+ priv->regs = (volatile tsec_t *)(TSEC_BASE_ADDR + index*TSEC_SIZE);
+ priv->phyregs = (volatile tsec_t *)(TSEC_BASE_ADDR +
+ tsec_info[index].phyregidx*TSEC_SIZE);
+
+ priv->phyaddr = tsec_info[index].phyaddr;
+ priv->gigabit = tsec_info[index].gigabit;
+
+ sprintf(dev->name, "MOTO ENET%d", index);
dev->iobase = 0;
- dev->priv = 0;
+ dev->priv = priv;
dev->init = tsec_init;
dev->halt = tsec_halt;
dev->send = tsec_send;
@@ -85,70 +156,32 @@ int tsec_initialize(bd_t *bis)
eth_register(dev);
- /* Reconfigure the PHY to advertise everything here
- * so that it works with both gigabit and 10/100 */
-#ifdef CONFIG_PHY_M88E1011
- /* Assign a Physical address to the TBI */
- regs->tbipa=TBIPA_VALUE;
-
- /* reset the management interface */
- regs->miimcfg=MIIMCFG_RESET;
- regs->miimcfg=MIIMCFG_INIT_VALUE;
-
- /* Wait until the bus is free */
- while(regs->miimind & MIIMIND_BUSY);
-
- /* Locate PHYs. Skip TBIPA, which we know is 31.
- */
- for (i=0; i<31; i++) {
- if (read_phy_reg(regs, i, 2) == 0x141) {
- if (phy_id == -1)
- phy_id = i;
-#ifdef TSEC_DEBUG
- printf("Found Marvell PHY at 0x%02x\n", i);
-#endif
- }
- }
-#ifdef TSEC_DEBUG
- printf("Using PHY ID 0x%02x\n", phy_id);
-#endif
- write_phy_reg(regs, phy_id, MIIM_CONTROL, MIIM_CONTROL_RESET);
-
- RESET_ERRATA(regs, phy_id);
-
- /* Configure the PHY to advertise gbit and 10/100 */
- write_phy_reg(regs, phy_id, MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT);
- write_phy_reg(regs, phy_id, MIIM_ANAR, MIIM_ANAR_INIT);
+ /* Reset the MAC */
+ priv->regs->maccfg1 |= MACCFG1_SOFT_RESET;
+ priv->regs->maccfg1 &= ~(MACCFG1_SOFT_RESET);
- /* Reset the PHY so the new settings take effect */
- write_phy_reg(regs, phy_id, MIIM_CONTROL, MIIM_CONTROL_RESET);
-#endif
- return 1;
+ /* Try to initialize PHY here, and return */
+ return init_phy(dev);
}
/* Initializes data structures and registers for the controller,
- * and brings the interface up */
+ * and brings the interface up. Returns the link status, meaning
+ * that it returns success if the link is up, failure otherwise.
+ * This allows u-boot to find the first active controller. */
int tsec_init(struct eth_device* dev, bd_t * bd)
{
- tsec_t *regs;
uint tempval;
char tmpbuf[MAC_ADDR_LEN];
int i;
-
- regs = (tsec_t *)(TSEC_BASE_ADDR);
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
/* Make sure the controller is stopped */
tsec_halt(dev);
- /* Reset the MAC */
- regs->maccfg1 |= MACCFG1_SOFT_RESET;
-
- /* Clear MACCFG1[Soft_Reset] */
- regs->maccfg1 &= ~(MACCFG1_SOFT_RESET);
-
- /* Init MACCFG2. Defaults to GMII/MII */
+ /* Init MACCFG2. Defaults to GMII */
regs->maccfg2 = MACCFG2_INIT_SETTINGS;
/* Init ECNTRL */
@@ -157,7 +190,7 @@ int tsec_init(struct eth_device* dev, bd_t * bd)
/* Copy the station address into the address registers.
* Backwards, because little endian MACS are dumb */
for(i=0;i<MAC_ADDR_LEN;i++) {
- tmpbuf[MAC_ADDR_LEN - 1 - i] = bd->bi_enetaddr[i];
+ tmpbuf[MAC_ADDR_LEN - 1 - i] = dev->enetaddr[i];
}
(uint)(regs->macstnaddr1) = *((uint *)(tmpbuf));
@@ -165,9 +198,6 @@ int tsec_init(struct eth_device* dev, bd_t * bd)
(uint)(regs->macstnaddr2) = tempval;
- /* Initialize the PHY */
- init_phy(regs);
-
/* reset the indices to zero */
rxIdx = 0;
txIdx = 0;
@@ -176,27 +206,49 @@ int tsec_init(struct eth_device* dev, bd_t * bd)
init_registers(regs);
/* Ready the device for tx/rx */
- startup_tsec(regs);
+ startup_tsec(dev);
- return 1;
+ /* If there's no link, fail */
+ return priv->link;
}
-/* Reads from the register at offset in the PHY at phyid, */
-/* using the register set defined in regbase. It waits until the */
-/* bits in the miimstat are valid (miimind notvalid bit cleared), */
-/* and then passes those bits on to the variable specified in */
-/* value */
-/* Before it does the read, it needs to clear the command field */
-uint read_phy_reg(tsec_t *regbase, uint phyid, uint offset)
+/* Write value to the device's PHY through the registers
+ * specified in priv, modifying the register specified in regnum.
+ * It will wait for the write to be done (or for a timeout to
+ * expire) before exiting
+ */
+void write_phy_reg(struct tsec_private *priv, uint regnum, uint value)
+{
+ volatile tsec_t *regbase = priv->phyregs;
+ uint phyid = priv->phyaddr;
+ int timeout=1000000;
+
+ regbase->miimadd = (phyid << 8) | regnum;
+ regbase->miimcon = value;
+ asm("msync");
+
+ timeout=1000000;
+ while((regbase->miimind & MIIMIND_BUSY) && timeout--);
+}
+
+
+/* Reads register regnum on the device's PHY through the
+ * registers specified in priv. It lowers and raises the read
+ * command, and waits for the data to become valid (miimind
+ * notvalid bit cleared), and the bus to cease activity (miimind
+ * busy bit cleared), and then returns the value
+ */
+uint read_phy_reg(struct tsec_private *priv, uint regnum)
{
uint value;
+ volatile tsec_t *regbase = priv->phyregs;
+ uint phyid = priv->phyaddr;
- /* Put the address of the phy, and the register number into
- * MIIMADD
- */
- regbase->miimadd = (phyid << 8) | offset;
+ /* Put the address of the phy, and the register
+ * number into MIIMADD */
+ regbase->miimadd = (phyid << 8) | regnum;
/* Clear the command register, and wait */
regbase->miimcom = 0;
@@ -215,115 +267,169 @@ uint read_phy_reg(tsec_t *regbase, uint phyid, uint offset)
return value;
}
-/* Setup the PHY */
-static void init_phy(tsec_t *regs)
+
+/* Discover which PHY is attached to the device, and configure it
+ * properly. If the PHY is not recognized, then return 0
+ * (failure). Otherwise, return 1
+ */
+static int init_phy(struct eth_device *dev)
{
- uint testval;
- unsigned int timeout = TSEC_TIMEOUT;
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ struct phy_info *curphy;
/* Assign a Physical address to the TBI */
- regs->tbipa=TBIPA_VALUE;
+ priv->regs->tbipa=TBIPA_VALUE;
- /* reset the management interface */
- regs->miimcfg=MIIMCFG_RESET;
+ if(0 == relocated)
+ relocate_cmds();
- regs->miimcfg=MIIMCFG_INIT_VALUE;
+ /* Get the cmd structure corresponding to the attached
+ * PHY */
+ curphy = get_phy_info(dev);
- /* Wait until the bus is free */
- while(regs->miimind & MIIMIND_BUSY);
+ if(NULL == curphy) {
+ printf("%s: No PHY found\n", dev->name);
-#ifdef CONFIG_PHY_CIS8201
- /* override PHY config settings */
- write_phy_reg(regs, 0, MIIM_AUX_CONSTAT, MIIM_AUXCONSTAT_INIT);
+ return 0;
+ }
- /* Set up interface mode */
- write_phy_reg(regs, 0, MIIM_EXT_CON1, MIIM_EXTCON1_INIT);
-#endif
+ priv->phyinfo = curphy;
- /* Set the PHY to gigabit, full duplex, Auto-negotiate */
- write_phy_reg(regs, phy_id, MIIM_CONTROL, MIIM_CONTROL_INIT);
+ phy_run_commands(priv, priv->phyinfo->config);
- /* Wait until STATUS indicates Auto-Negotiation is done */
- DBGPRINT("Waiting for Auto-negotiation to complete\n");
- testval=read_phy_reg(regs, phy_id, MIIM_STATUS);
+ return 1;
+}
- while((!(testval & MIIM_STATUS_AN_DONE))&& timeout--) {
- testval=read_phy_reg(regs, phy_id, MIIM_STATUS);
- }
- if(testval & MIIM_STATUS_AN_DONE)
- DBGPRINT("Auto-negotiation done\n");
+/* Returns which value to write to the control register. */
+/* For 10/100, the value is slightly different */
+uint mii_cr_init(uint mii_reg, struct tsec_private *priv)
+{
+ if(priv->gigabit)
+ return MIIM_CONTROL_INIT;
else
- DBGPRINT("Auto-negotiation timed-out.\n");
+ return MIIM_CR_INIT;
+}
-#ifdef CONFIG_PHY_CIS8201
- /* Find out what duplexity (duplicity?) we have */
- /* Read it twice to make sure */
- testval=read_phy_reg(regs, phy_id, MIIM_AUX_CONSTAT);
- if(testval & MIIM_AUXCONSTAT_DUPLEX) {
- DBGPRINT("Enet starting in full duplex\n");
- regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
- } else {
- DBGPRINT("Enet starting in half duplex\n");
- regs->maccfg2 &= ~MACCFG2_FULL_DUPLEX;
- }
+/* Parse the status register for link, and then do
+ * auto-negotiation */
+uint mii_parse_sr(uint mii_reg, struct tsec_private *priv)
+{
+ uint timeout = TSEC_TIMEOUT;
- /* Also, we look to see what speed we are at
- * if Gigabit, MACCFG2 goes in GMII, otherwise,
- * MII mode.
- */
- if((testval & MIIM_AUXCONSTAT_SPEED) != MIIM_AUXCONSTAT_GBIT) {
- if((testval & MIIM_AUXCONSTAT_SPEED) == MIIM_AUXCONSTAT_100)
- DBGPRINT("Enet starting in 100BT\n");
- else
- DBGPRINT("Enet starting in 10BT\n");
+ if(mii_reg & MIIM_STATUS_LINK)
+ priv->link = 1;
+ else
+ priv->link = 0;
- /* mark the mode in MACCFG2 */
- regs->maccfg2 = ((regs->maccfg2&~(MACCFG2_IF)) | MACCFG2_MII);
- } else {
- DBGPRINT("Enet starting in 1000BT\n");
+ if(priv->link) {
+ while((!(mii_reg & MIIM_STATUS_AN_DONE)) && timeout--)
+ mii_reg = read_phy_reg(priv, MIIM_STATUS);
}
-#endif
+ return 0;
+}
-#ifdef CONFIG_PHY_M88E1011
- /* Read the PHY to see what speed and duplex we are */
- testval=read_phy_reg(regs, phy_id, MIIM_PHY_STATUS);
- timeout = TSEC_TIMEOUT;
- while((!(testval & MIIM_PHYSTAT_SPDDONE)) && timeout--) {
- testval = read_phy_reg(regs,phy_id,MIIM_PHY_STATUS);
+/* Parse the 88E1011's status register for speed and duplex
+ * information */
+uint mii_parse_88E1011_psr(uint mii_reg, struct tsec_private *priv)
+{
+ uint speed;
+
+ if(mii_reg & MIIM_88E1011_PHYSTAT_DUPLEX)
+ priv->duplexity = 1;
+ else
+ priv->duplexity = 0;
+
+ speed = (mii_reg &MIIM_88E1011_PHYSTAT_SPEED);
+
+ switch(speed) {
+ case MIIM_88E1011_PHYSTAT_GBIT:
+ priv->speed = 1000;
+ break;
+ case MIIM_88E1011_PHYSTAT_100:
+ priv->speed = 100;
+ break;
+ default:
+ priv->speed = 10;
}
- if(!(testval & MIIM_PHYSTAT_SPDDONE))
- DBGPRINT("Enet: Speed not resolved\n");
+ return 0;
+}
- testval=read_phy_reg(regs, phy_id, MIIM_PHY_STATUS);
- if(testval & MIIM_PHYSTAT_DUPLEX) {
- DBGPRINT("Enet starting in Full Duplex\n");
- regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
- } else {
- DBGPRINT("Enet starting in Half Duplex\n");
- regs->maccfg2 &= ~MACCFG2_FULL_DUPLEX;
+
+/* Parse the cis8201's status register for speed and duplex
+ * information */
+uint mii_parse_cis8201(uint mii_reg, struct tsec_private *priv)
+{
+ uint speed;
+
+ if(mii_reg & MIIM_CIS8201_AUXCONSTAT_DUPLEX)
+ priv->duplexity = 1;
+ else
+ priv->duplexity = 0;
+
+ speed = mii_reg & MIIM_CIS8201_AUXCONSTAT_SPEED;
+ switch(speed) {
+ case MIIM_CIS8201_AUXCONSTAT_GBIT:
+ priv->speed = 1000;
+ break;
+ case MIIM_CIS8201_AUXCONSTAT_100:
+ priv->speed = 100;
+ break;
+ default:
+ priv->speed = 10;
+ break;
}
- if(!((testval&MIIM_PHYSTAT_SPEED) == MIIM_PHYSTAT_GBIT)) {
- if((testval & MIIM_PHYSTAT_SPEED) == MIIM_PHYSTAT_100)
- DBGPRINT("Enet starting in 100BT\n");
- else
- DBGPRINT("Enet starting in 10BT\n");
+ return 0;
+}
- regs->maccfg2 = ((regs->maccfg2&~(MACCFG2_IF)) | MACCFG2_MII);
- } else {
- DBGPRINT("Enet starting in 1000BT\n");
+
+/* Parse the DM9161's status register for speed and duplex
+ * information */
+uint mii_parse_dm9161_scsr(uint mii_reg, struct tsec_private *priv)
+{
+ if(mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_100H))
+ priv->speed = 100;
+ else
+ priv->speed = 10;
+
+ if(mii_reg & (MIIM_DM9161_SCSR_100F | MIIM_DM9161_SCSR_10F))
+ priv->duplexity = 1;
+ else
+ priv->duplexity = 0;
+
+ return 0;
+}
+
+
+/* Hack to write all 4 PHYs with the LED values */
+uint mii_cis8204_fixled(uint mii_reg, struct tsec_private *priv)
+{
+ uint phyid;
+ volatile tsec_t *regbase = priv->phyregs;
+ int timeout=1000000;
+
+ for(phyid=0;phyid<4;phyid++) {
+ regbase->miimadd = (phyid << 8) | mii_reg;
+ regbase->miimcon = MIIM_CIS8204_SLEDCON_INIT;
+ asm("msync");
+
+ timeout=1000000;
+ while((regbase->miimind & MIIMIND_BUSY) && timeout--);
}
-#endif
+ return MIIM_CIS8204_SLEDCON_INIT;
}
-static void init_registers(tsec_t *regs)
+/* Initialized required registers to appropriate values, zeroing
+ * those we don't care about (unless zero is bad, in which case,
+ * choose a more appropriate value) */
+static void init_registers(volatile tsec_t *regs)
{
/* Clear IEVENT */
regs->ievent = IEVENT_INIT_CLEAR;
@@ -365,9 +471,51 @@ static void init_registers(tsec_t *regs)
}
-static void startup_tsec(tsec_t *regs)
+
+/* Configure maccfg2 based on negotiated speed and duplex
+ * reported by PHY handling code */
+static void adjust_link(struct eth_device *dev)
+{
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
+
+ if(priv->link) {
+ if(priv->duplexity != 0)
+ regs->maccfg2 |= MACCFG2_FULL_DUPLEX;
+ else
+ regs->maccfg2 &= ~(MACCFG2_FULL_DUPLEX);
+
+ switch(priv->speed) {
+ case 1000:
+ regs->maccfg2 = ((regs->maccfg2&~(MACCFG2_IF))
+ | MACCFG2_GMII);
+ break;
+ case 100:
+ case 10:
+ regs->maccfg2 = ((regs->maccfg2&~(MACCFG2_IF))
+ | MACCFG2_MII);
+ break;
+ default:
+ printf("%s: Speed was bad\n", dev->name);
+ break;
+ }
+
+ printf("Speed: %d, %s duplex\n", priv->speed,
+ (priv->duplexity) ? "full" : "half");
+
+ } else {
+ printf("%s: No link.\n", dev->name);
+ }
+}
+
+
+/* Set up the buffers and their descriptors, and bring up the
+ * interface */
+static void startup_tsec(struct eth_device *dev)
{
int i;
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
/* Point to the buffer descriptors */
regs->tbase = (unsigned int)(&rtx.txbd[txIdx]);
@@ -389,6 +537,10 @@ static void startup_tsec(tsec_t *regs)
}
rtx.txbd[TX_BUF_CNT -1].status |= TXBD_WRAP;
+ /* Start up the PHY */
+ phy_run_commands(priv, priv->phyinfo->startup);
+ adjust_link(dev);
+
/* Enable Transmit and Receive */
regs->maccfg1 |= (MACCFG1_RX_EN | MACCFG1_TX_EN);
@@ -406,12 +558,13 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
{
int i;
int result = 0;
- tsec_t * regs = (tsec_t *)(TSEC_BASE_ADDR);
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
/* Find an empty buffer descriptor */
for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
if (i >= TOUT_LOOP) {
- DBGPRINT("tsec: tx buffers full\n");
+ DBGPRINT("%s: tsec: tx buffers full\n", dev->name);
return result;
}
}
@@ -426,7 +579,7 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
/* Wait for buffer to be transmitted */
for(i=0; rtx.txbd[txIdx].status & TXBD_READY; i++) {
if (i >= TOUT_LOOP) {
- DBGPRINT("tsec: tx error\n");
+ DBGPRINT("%s: tsec: tx error\n", dev->name);
return result;
}
}
@@ -440,7 +593,8 @@ static int tsec_send(struct eth_device* dev, volatile void *packet, int length)
static int tsec_recv(struct eth_device* dev)
{
int length;
- tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
while(!(rtx.rxbd[rxIdx].status & RXBD_EMPTY)) {
@@ -449,6 +603,9 @@ static int tsec_recv(struct eth_device* dev)
/* Send the packet up if there were no errors */
if (!(rtx.rxbd[rxIdx].status & RXBD_STATS)) {
NetReceive(NetRxPackets[rxIdx], length - 4);
+ } else {
+ printf("Got error %x\n",
+ (rtx.rxbd[rxIdx].status & RXBD_STATS));
}
rtx.rxbd[rxIdx].length = 0;
@@ -469,9 +626,11 @@ static int tsec_recv(struct eth_device* dev)
}
+/* Stop the interface */
static void tsec_halt(struct eth_device* dev)
{
- tsec_t *regs = (tsec_t *)(TSEC_BASE_ADDR);
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ volatile tsec_t *regs = priv->regs;
regs->dmactrl &= ~(DMACTRL_GRS | DMACTRL_GTS);
regs->dmactrl |= (DMACTRL_GRS | DMACTRL_GTS);
@@ -480,25 +639,288 @@ static void tsec_halt(struct eth_device* dev)
regs->maccfg1 &= ~(MACCFG1_TX_EN | MACCFG1_RX_EN);
+ /* Shut down the PHY, as needed */
+ phy_run_commands(priv, priv->phyinfo->shutdown);
+}
+
+
+struct phy_info phy_info_M88E1011S = {
+ 0x01410c6,
+ "Marvell 88E1011S",
+ 4,
+ (struct phy_cmd[]) { /* config */
+ /* Reset and configure the PHY */
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {0x1d, 0x1f, NULL},
+ {0x1e, 0x200c, NULL},
+ {0x1d, 0x5, NULL},
+ {0x1e, 0x0, NULL},
+ {0x1e, 0x100, NULL},
+ {MIIM_GBIT_CONTROL, MIIM_GBIT_CONTROL_INIT, NULL},
+ {MIIM_ANAR, MIIM_ANAR_INIT, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_RESET, NULL},
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_88E1011_PHY_STATUS, miim_read, &mii_parse_88E1011_psr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* shutdown */
+ {miim_end,}
+ },
+};
+
+struct phy_info phy_info_cis8204 = {
+ 0x3f11,
+ "Cicada Cis8204",
+ 6,
+ (struct phy_cmd[]) { /* config */
+ /* Override PHY config settings */
+ {MIIM_CIS8201_AUX_CONSTAT, MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
+ /* Configure some basic stuff */
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {MIIM_CIS8204_SLED_CON, MIIM_CIS8204_SLEDCON_INIT, &mii_cis8204_fixled},
+ {MIIM_CIS8204_EPHY_CON, MIIM_CIS8204_EPHYCON_INIT, NULL},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* startup */
+ /* Read the Status (2x to make sure link is right) */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_CIS8201_AUX_CONSTAT, miim_read, &mii_parse_cis8201},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* shutdown */
+ {miim_end,}
+ },
+};
+
+/* Cicada 8201 */
+struct phy_info phy_info_cis8201 = {
+ 0xfc41,
+ "CIS8201",
+ 4,
+ (struct phy_cmd[]) { /* config */
+ /* Override PHY config settings */
+ {MIIM_CIS8201_AUX_CONSTAT, MIIM_CIS8201_AUXCONSTAT_INIT, NULL},
+ /* Set up the interface mode */
+ {MIIM_CIS8201_EXT_CON1, MIIM_CIS8201_EXTCON1_INIT, NULL},
+ /* Configure some basic stuff */
+ {MIIM_CONTROL, MIIM_CONTROL_INIT, &mii_cr_init},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* startup */
+ /* Read the Status (2x to make sure link is right) */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_CIS8201_AUX_CONSTAT, miim_read, &mii_parse_cis8201},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* shutdown */
+ {miim_end,}
+ },
+};
+
+
+struct phy_info phy_info_dm9161 = {
+ 0x0181b88,
+ "Davicom DM9161E",
+ 4,
+ (struct phy_cmd[]) { /* config */
+ {MIIM_CONTROL, MIIM_DM9161_CR_STOP, NULL},
+ /* Do not bypass the scrambler/descrambler */
+ {MIIM_DM9161_SCR, MIIM_DM9161_SCR_INIT, NULL},
+ /* Clear 10BTCSR to default */
+ {MIIM_DM9161_10BTCSR, MIIM_DM9161_10BTCSR_INIT, NULL},
+ /* Configure some basic stuff */
+ {MIIM_CONTROL, MIIM_CR_INIT, NULL},
+ /* Restart Auto Negotiation */
+ {MIIM_CONTROL, MIIM_DM9161_CR_RSTAN, NULL},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* startup */
+ /* Status is read once to clear old link state */
+ {MIIM_STATUS, miim_read, NULL},
+ /* Auto-negotiate */
+ {MIIM_STATUS, miim_read, &mii_parse_sr},
+ /* Read the status */
+ {MIIM_DM9161_SCSR, miim_read, &mii_parse_dm9161_scsr},
+ {miim_end,}
+ },
+ (struct phy_cmd[]) { /* shutdown */
+ {miim_end,}
+ },
+};
+
+struct phy_info *phy_info[] = {
+#if 0
+ &phy_info_cis8201,
+#endif
+ &phy_info_cis8204,
+ &phy_info_M88E1011S,
+ &phy_info_dm9161,
+ NULL
+};
+
+
+/* Grab the identifier of the device's PHY, and search through
+ * all of the known PHYs to see if one matches. If so, return
+ * it, if not, return NULL */
+struct phy_info * get_phy_info(struct eth_device *dev)
+{
+ struct tsec_private *priv = (struct tsec_private *)dev->priv;
+ uint phy_reg, phy_ID;
+ int i;
+ struct phy_info *theInfo = NULL;
+
+ /* Grab the bits from PHYIR1, and put them in the upper half */
+ phy_reg = read_phy_reg(priv, MIIM_PHYIR1);
+ phy_ID = (phy_reg & 0xffff) << 16;
+
+ /* Grab the bits from PHYIR2, and put them in the lower half */
+ phy_reg = read_phy_reg(priv, MIIM_PHYIR2);
+ phy_ID |= (phy_reg & 0xffff);
+
+ /* loop through all the known PHY types, and find one that */
+ /* matches the ID we read from the PHY. */
+ for(i=0; phy_info[i]; i++) {
+ if(phy_info[i]->id == (phy_ID >> phy_info[i]->shift))
+ theInfo = phy_info[i];
+ }
+
+ if(theInfo == NULL)
+ {
+ printf("%s: PHY id %x is not supported!\n", dev->name, phy_ID);
+ return NULL;
+ } else {
+ printf("%s: PHY is %s (%x)\n", dev->name, theInfo->name,
+ phy_ID);
+ }
+
+ return theInfo;
}
+
+/* Execute the given series of commands on the given device's
+ * PHY, running functions as necessary*/
+void phy_run_commands(struct tsec_private *priv, struct phy_cmd *cmd)
+{
+ int i;
+ uint result;
+ volatile tsec_t *phyregs = priv->phyregs;
+
+ phyregs->miimcfg = MIIMCFG_RESET;
+
+ phyregs->miimcfg = MIIMCFG_INIT_VALUE;
+
+ while(phyregs->miimind & MIIMIND_BUSY);
+
+ for(i=0;cmd->mii_reg != miim_end;i++) {
+ if(cmd->mii_data == miim_read) {
+ result = read_phy_reg(priv, cmd->mii_reg);
+
+ if(cmd->funct != NULL)
+ (*(cmd->funct))(result, priv);
+
+ } else {
+ if(cmd->funct != NULL)
+ result = (*(cmd->funct))(cmd->mii_reg, priv);
+ else
+ result = cmd->mii_data;
+
+ write_phy_reg(priv, cmd->mii_reg, result);
+
+ }
+ cmd++;
+ }
+}
+
+
+/* Relocate the function pointers in the phy cmd lists */
+static void relocate_cmds(void)
+{
+ struct phy_cmd **cmdlistptr;
+ struct phy_cmd *cmd;
+ int i,j,k;
+ DECLARE_GLOBAL_DATA_PTR;
+
+ for(i=0; phy_info[i]; i++) {
+ /* First thing's first: relocate the pointers to the
+ * PHY command structures (the structs were done) */
+ phy_info[i] = (struct phy_info *) ((uint)phy_info[i]
+ + gd->reloc_off);
+ phy_info[i]->name += gd->reloc_off;
+ phy_info[i]->config =
+ (struct phy_cmd *)((uint)phy_info[i]->config
+ + gd->reloc_off);
+ phy_info[i]->startup =
+ (struct phy_cmd *)((uint)phy_info[i]->startup
+ + gd->reloc_off);
+ phy_info[i]->shutdown =
+ (struct phy_cmd *)((uint)phy_info[i]->shutdown
+ + gd->reloc_off);
+
+ cmdlistptr = &phy_info[i]->config;
+ j=0;
+ for(;cmdlistptr <= &phy_info[i]->shutdown;cmdlistptr++) {
+ k=0;
+ for(cmd=*cmdlistptr;cmd->mii_reg != miim_end;cmd++) {
+ /* Only relocate non-NULL pointers */
+ if(cmd->funct)
+ cmd->funct += gd->reloc_off;
+
+ k++;
+ }
+ j++;
+ }
+ }
+
+ relocated = 1;
+}
+
+
#ifndef CONFIG_BITBANGMII
+
+struct tsec_private * get_priv_for_phy(unsigned char phyaddr)
+{
+ int i;
+
+ for(i=0;i<MAXCONTROLLERS;i++) {
+ if(privlist[i]->phyaddr == phyaddr)
+ return privlist[i];
+ }
+
+ return NULL;
+}
+
/*
* Read a MII PHY register.
*
* Returns:
- * 0 on success
+ * 0 on success
*/
-int miiphy_read(unsigned char addr,
- unsigned char reg,
- unsigned short *value)
+int miiphy_read(unsigned char addr, unsigned char reg, unsigned short *value)
{
- tsec_t *regs;
- unsigned short rv;
+ unsigned short ret;
+ struct tsec_private *priv = get_priv_for_phy(addr);
+
+ if(NULL == priv) {
+ printf("Can't read PHY at address %d\n", addr);
+ return -1;
+ }
- regs = (tsec_t *)(TSEC_BASE_ADDR);
- rv = (unsigned short)read_phy_reg(regs, addr, reg);
- *value = rv;
+ ret = (unsigned short)read_phy_reg(priv, reg);
+ *value = ret;
return 0;
}
@@ -507,18 +929,22 @@ int miiphy_read(unsigned char addr,
* Write a MII PHY register.
*
* Returns:
- * 0 on success
+ * 0 on success
*/
-int miiphy_write(unsigned char addr,
- unsigned char reg,
- unsigned short value)
+int miiphy_write(unsigned char addr, unsigned char reg, unsigned short value)
{
- tsec_t *regs;
+ struct tsec_private *priv = get_priv_for_phy(addr);
+
+ if(NULL == priv) {
+ printf("Can't write PHY at address %d\n", addr);
+ return -1;
+ }
- regs = (tsec_t *)(TSEC_BASE_ADDR);
- write_phy_reg(regs, addr, reg, value);
+ write_phy_reg(priv, reg, value);
return 0;
}
+
#endif /* CONFIG_BITBANGMII */
+
#endif /* CONFIG_TSEC_ENET */
diff --git a/cpu/mpc85xx/tsec.h b/cpu/mpc85xx/tsec.h
index db4169c..275bbd2 100644
--- a/cpu/mpc85xx/tsec.h
+++ b/cpu/mpc85xx/tsec.h
@@ -7,6 +7,7 @@
* terms of the GNU Public License, Version 2, incorporated
* herein by reference.
*
+ * Copyright 2004 Freescale Semiconductor.
* (C) Copyright 2003, Motorola, Inc.
* maintained by Xianghua Xiao (x.xiao@motorola.com)
* author Andy Fleming
@@ -19,15 +20,13 @@
#include <net.h>
#include <mpc85xx.h>
-/* TSEC1 is offset 0x24000, TSEC2 is offset 0x25000
-#define TSEC_BASE_ADDR (CFG_IMMR + 0x25000)
-*/
#define TSEC_BASE_ADDR (CFG_IMMR + 0x24000)
-#define TSEC_MEM_SIZE 0x01000
+#define TSEC_SIZE 0x01000
#define MAC_ADDR_LEN 6
-#define TSEC_TIMEOUT 1000000
+/* #define TSEC_TIMEOUT 1000000 */
+#define TSEC_TIMEOUT 1000
#define TOUT_LOOP 1000000
/* MAC register bits */
@@ -47,11 +46,15 @@
#define MACCFG2_INIT_SETTINGS 0x00007205
#define MACCFG2_FULL_DUPLEX 0x00000001
#define MACCFG2_IF 0x00000300
+#define MACCFG2_GMII 0x00000200
#define MACCFG2_MII 0x00000100
#define ECNTRL_INIT_SETTINGS 0x00001000
#define ECNTRL_TBI_MODE 0x00000020
+#define miim_end -2
+#define miim_read -1
+
#define TBIPA_VALUE 0x1f
#define MIIMCFG_INIT_VALUE 0x00000003
#define MIIMCFG_RESET 0x80000000
@@ -60,52 +63,84 @@
#define MIIMIND_NOTVALID 0x00000004
#define MIIM_CONTROL 0x00
+#define MIIM_CONTROL_RESET 0x00009140
#define MIIM_CONTROL_INIT 0x00001140
#define MIIM_ANEN 0x00001000
-#define MIIM_CONTROL_RESET 0x00009140
+
+#define MIIM_CR 0x00
+#define MIIM_CR_RST 0x00008000
+#define MIIM_CR_INIT 0x00001000
#define MIIM_STATUS 0x1
#define MIIM_STATUS_AN_DONE 0x00000020
+#define MIIM_STATUS_LINK 0x0004
-#define MIIM_GBIT_CONTROL 0x9
-#define MIIM_GBIT_CONTROL_INIT 0xe00
+#define MIIM_PHYIR1 0x2
+#define MIIM_PHYIR2 0x3
-#define MIIM_TBI_ANEX 0x6
-#define MIIM_TBI_ANEX_NP 0x00000004
-#define MIIM_TBI_ANEX_PRX 0x00000002
+#define MIIM_ANAR 0x4
+#define MIIM_ANAR_INIT 0x1e1
#define MIIM_TBI_ANLPBPA 0x5
#define MIIM_TBI_ANLPBPA_HALF 0x00000040
#define MIIM_TBI_ANLPBPA_FULL 0x00000020
-#ifdef CONFIG_PHY_CIS8201
-#define MIIM_AUX_CONSTAT 0x1c
-#define MIIM_AUXCONSTAT_INIT 0x0004
-#define MIIM_AUXCONSTAT_DUPLEX 0x0020
-#define MIIM_AUXCONSTAT_SPEED 0x0018
-#define MIIM_AUXCONSTAT_GBIT 0x0010
-#define MIIM_AUXCONSTAT_100 0x0008
+#define MIIM_TBI_ANEX 0x6
+#define MIIM_TBI_ANEX_NP 0x00000004
+#define MIIM_TBI_ANEX_PRX 0x00000002
+
+#define MIIM_GBIT_CONTROL 0x9
+#define MIIM_GBIT_CONTROL_INIT 0xe00
+
+/* Cicada Auxiliary Control/Status Register */
+#define MIIM_CIS8201_AUX_CONSTAT 0x1c
+#define MIIM_CIS8201_AUXCONSTAT_INIT 0x0004
+#define MIIM_CIS8201_AUXCONSTAT_DUPLEX 0x0020
+#define MIIM_CIS8201_AUXCONSTAT_SPEED 0x0018
+#define MIIM_CIS8201_AUXCONSTAT_GBIT 0x0010
+#define MIIM_CIS8201_AUXCONSTAT_100 0x0008
-#define MIIM_EXT_CON1 0x17
-#define MIIM_EXTCON1_INIT 0x0000
+/* Cicada Extended Control Register 1 */
+#define MIIM_CIS8201_EXT_CON1 0x17
+#define MIIM_CIS8201_EXTCON1_INIT 0x0000
-#endif
+/* Cicada 8204 Extended PHY Control Register 1 */
+#define MIIM_CIS8204_EPHY_CON 0x17
+#define MIIM_CIS8204_EPHYCON_INIT 0x0006
-#ifdef CONFIG_PHY_M88E1011
-#define MIIM_ANAR 0x4
-#define MIIM_ANAR_INIT 0x1e1
+/* Cicada 8204 Serial LED Control Register */
+#define MIIM_CIS8204_SLED_CON 0x1b
+#define MIIM_CIS8204_SLEDCON_INIT 0x1115
#define MIIM_GBIT_CON 0x09
#define MIIM_GBIT_CON_ADVERT 0x0e00
-#define MIIM_PHY_STATUS 0x11
-#define MIIM_PHYSTAT_SPEED 0xc000
-#define MIIM_PHYSTAT_GBIT 0x8000
-#define MIIM_PHYSTAT_100 0x4000
-#define MIIM_PHYSTAT_DUPLEX 0x2000
-#define MIIM_PHYSTAT_SPDDONE 0x0800
-#define MIIM_PHYSTAT_LINK 0x0400
-#endif
+/* 88E1011 PHY Status Register */
+#define MIIM_88E1011_PHY_STATUS 0x11
+#define MIIM_88E1011_PHYSTAT_SPEED 0xc000
+#define MIIM_88E1011_PHYSTAT_GBIT 0x8000
+#define MIIM_88E1011_PHYSTAT_100 0x4000
+#define MIIM_88E1011_PHYSTAT_DUPLEX 0x2000
+#define MIIM_88E1011_PHYSTAT_SPDDONE 0x0800
+#define MIIM_88E1011_PHYSTAT_LINK 0x0400
+
+/* DM9161 Control register values */
+#define MIIM_DM9161_CR_STOP 0x0400
+#define MIIM_DM9161_CR_RSTAN 0x1200
+
+#define MIIM_DM9161_SCR 0x10
+#define MIIM_DM9161_SCR_INIT 0x0610
+
+/* DM9161 Specified Configuration and Status Register */
+#define MIIM_DM9161_SCSR 0x11
+#define MIIM_DM9161_SCSR_100F 0x8000
+#define MIIM_DM9161_SCSR_100H 0x4000
+#define MIIM_DM9161_SCSR_10F 0x2000
+#define MIIM_DM9161_SCSR_10H 0x1000
+
+/* DM9161 10BT Configuration/Status */
+#define MIIM_DM9161_10BTCSR 0x12
+#define MIIM_DM9161_10BTCSR_INIT 0x7800
#define MIIM_READ_COMMAND 0x00000001
@@ -120,27 +155,6 @@
#define TSTAT_CLEAR_THALT 0x80000000
#define RSTAT_CLEAR_RHALT 0x00800000
-/* Write value to the PHY at phyid to the register at offset, */
-/* using the register space defined in regbase. Note that */
-/* miimcfg needs to have the clock speed setup correctly. This */
-/* macro will wait until the write is done before it finishes */
-#define write_phy_reg(regbase, phyid, offset, value) do { \
- int timeout=1000000; \
- regbase->miimadd = (phyid << 8) | offset; \
- regbase->miimcon = value; \
- asm("msync"); \
- while((regbase->miimind & MIIMIND_BUSY) && timeout--); \
-} while(0)
-
-
-/* This works around errata in reseting the PHY */
-#define RESET_ERRATA(regs, ID) do { \
- write_phy_reg(regs, (ID), 0x1d, 0x1f); \
- write_phy_reg(regs, (ID), 0x1e, 0x200c); \
- write_phy_reg(regs, (ID), 0x1d, 0x5); \
- write_phy_reg(regs, (ID), 0x1e, 0x0); \
- write_phy_reg(regs, (ID), 0x1e, 0x100); \
-} while(0)
#define IEVENT_INIT_CLEAR 0xffffffff
#define IEVENT_BABR 0x80000000
@@ -402,4 +416,63 @@ typedef struct tsec
uint resc00[256];
} tsec_t;
+struct tsec_private {
+ volatile tsec_t *regs;
+ volatile tsec_t *phyregs;
+ struct phy_info *phyinfo;
+ uint phyaddr;
+ uint gigabit;
+ uint link;
+ uint duplexity;
+ uint speed;
+};
+
+
+/*
+ * struct phy_cmd: A command for reading or writing a PHY register
+ *
+ * mii_reg: The register to read or write
+ *
+ * mii_data: For writes, the value to put in the register.
+ * A value of -1 indicates this is a read.
+ *
+ * funct: A function pointer which is invoked for each command.
+ * For reads, this function will be passed the value read
+ * from the PHY, and process it.
+ * For writes, the result of this function will be written
+ * to the PHY register
+ */
+struct phy_cmd {
+ uint mii_reg;
+ uint mii_data;
+ uint (*funct) (uint mii_reg, struct tsec_private* priv);
+};
+
+/* struct phy_info: a structure which defines attributes for a PHY
+ *
+ * id will contain a number which represents the PHY. During
+ * startup, the driver will poll the PHY to find out what its
+ * UID--as defined by registers 2 and 3--is. The 32-bit result
+ * gotten from the PHY will be shifted right by "shift" bits to
+ * discard any bits which may change based on revision numbers
+ * unimportant to functionality
+ *
+ * The struct phy_cmd entries represent pointers to an arrays of
+ * commands which tell the driver what to do to the PHY.
+ */
+struct phy_info {
+ uint id;
+ char *name;
+ uint shift;
+ /* Called to configure the PHY, and modify the controller
+ * based on the results */
+ struct phy_cmd *config;
+
+ /* Called when starting up the controller */
+ struct phy_cmd *startup;
+
+ /* Called when bringing down the controller */
+ struct phy_cmd *shutdown;
+};
+
#endif /* __TSEC_H */
generated by cgit v1.1 at 2024-11-21 21:28:14 +0000