13785bc17SMauro Carvalho Chehab /* 23785bc17SMauro Carvalho Chehab * Linux driver for digital TV devices equipped with B2C2 FlexcopII(b)/III 33785bc17SMauro Carvalho Chehab * flexcop-sram.c - functions for controlling the SRAM 43785bc17SMauro Carvalho Chehab * see flexcop.c for copyright information 53785bc17SMauro Carvalho Chehab */ 63785bc17SMauro Carvalho Chehab #include "flexcop.h" 73785bc17SMauro Carvalho Chehab 83785bc17SMauro Carvalho Chehab static void flexcop_sram_set_chip(struct flexcop_device *fc, 93785bc17SMauro Carvalho Chehab flexcop_sram_type_t type) 103785bc17SMauro Carvalho Chehab { 113785bc17SMauro Carvalho Chehab flexcop_set_ibi_value(wan_ctrl_reg_71c, sram_chip, type); 123785bc17SMauro Carvalho Chehab } 133785bc17SMauro Carvalho Chehab 143785bc17SMauro Carvalho Chehab int flexcop_sram_init(struct flexcop_device *fc) 153785bc17SMauro Carvalho Chehab { 163785bc17SMauro Carvalho Chehab switch (fc->rev) { 173785bc17SMauro Carvalho Chehab case FLEXCOP_II: 183785bc17SMauro Carvalho Chehab case FLEXCOP_IIB: 193785bc17SMauro Carvalho Chehab flexcop_sram_set_chip(fc, FC_SRAM_1_32KB); 203785bc17SMauro Carvalho Chehab break; 213785bc17SMauro Carvalho Chehab case FLEXCOP_III: 223785bc17SMauro Carvalho Chehab flexcop_sram_set_chip(fc, FC_SRAM_1_48KB); 233785bc17SMauro Carvalho Chehab break; 243785bc17SMauro Carvalho Chehab default: 253785bc17SMauro Carvalho Chehab return -EINVAL; 263785bc17SMauro Carvalho Chehab } 273785bc17SMauro Carvalho Chehab return 0; 283785bc17SMauro Carvalho Chehab } 293785bc17SMauro Carvalho Chehab 303785bc17SMauro Carvalho Chehab int flexcop_sram_set_dest(struct flexcop_device *fc, flexcop_sram_dest_t dest, 313785bc17SMauro Carvalho Chehab flexcop_sram_dest_target_t target) 323785bc17SMauro Carvalho Chehab { 333785bc17SMauro Carvalho Chehab flexcop_ibi_value v; 343785bc17SMauro Carvalho Chehab v = fc->read_ibi_reg(fc, sram_dest_reg_714); 353785bc17SMauro Carvalho Chehab 363785bc17SMauro Carvalho Chehab if (fc->rev != FLEXCOP_III && target == FC_SRAM_DEST_TARGET_FC3_CA) { 373785bc17SMauro Carvalho Chehab err("SRAM destination target to available on FlexCopII(b)\n"); 383785bc17SMauro Carvalho Chehab return -EINVAL; 393785bc17SMauro Carvalho Chehab } 403785bc17SMauro Carvalho Chehab deb_sram("sram dest: %x target: %x\n", dest, target); 413785bc17SMauro Carvalho Chehab 423785bc17SMauro Carvalho Chehab if (dest & FC_SRAM_DEST_NET) 433785bc17SMauro Carvalho Chehab v.sram_dest_reg_714.NET_Dest = target; 443785bc17SMauro Carvalho Chehab if (dest & FC_SRAM_DEST_CAI) 453785bc17SMauro Carvalho Chehab v.sram_dest_reg_714.CAI_Dest = target; 463785bc17SMauro Carvalho Chehab if (dest & FC_SRAM_DEST_CAO) 473785bc17SMauro Carvalho Chehab v.sram_dest_reg_714.CAO_Dest = target; 483785bc17SMauro Carvalho Chehab if (dest & FC_SRAM_DEST_MEDIA) 493785bc17SMauro Carvalho Chehab v.sram_dest_reg_714.MEDIA_Dest = target; 503785bc17SMauro Carvalho Chehab 513785bc17SMauro Carvalho Chehab fc->write_ibi_reg(fc,sram_dest_reg_714,v); 523785bc17SMauro Carvalho Chehab udelay(1000); /* TODO delay really necessary */ 533785bc17SMauro Carvalho Chehab 543785bc17SMauro Carvalho Chehab return 0; 553785bc17SMauro Carvalho Chehab } 563785bc17SMauro Carvalho Chehab EXPORT_SYMBOL(flexcop_sram_set_dest); 573785bc17SMauro Carvalho Chehab 583785bc17SMauro Carvalho Chehab void flexcop_wan_set_speed(struct flexcop_device *fc, flexcop_wan_speed_t s) 593785bc17SMauro Carvalho Chehab { 603785bc17SMauro Carvalho Chehab flexcop_set_ibi_value(wan_ctrl_reg_71c,wan_speed_sig,s); 613785bc17SMauro Carvalho Chehab } 623785bc17SMauro Carvalho Chehab EXPORT_SYMBOL(flexcop_wan_set_speed); 633785bc17SMauro Carvalho Chehab 643785bc17SMauro Carvalho Chehab void flexcop_sram_ctrl(struct flexcop_device *fc, int usb_wan, int sramdma, int maximumfill) 653785bc17SMauro Carvalho Chehab { 663785bc17SMauro Carvalho Chehab flexcop_ibi_value v = fc->read_ibi_reg(fc,sram_dest_reg_714); 673785bc17SMauro Carvalho Chehab v.sram_dest_reg_714.ctrl_usb_wan = usb_wan; 683785bc17SMauro Carvalho Chehab v.sram_dest_reg_714.ctrl_sramdma = sramdma; 693785bc17SMauro Carvalho Chehab v.sram_dest_reg_714.ctrl_maximumfill = maximumfill; 703785bc17SMauro Carvalho Chehab fc->write_ibi_reg(fc,sram_dest_reg_714,v); 713785bc17SMauro Carvalho Chehab } 723785bc17SMauro Carvalho Chehab EXPORT_SYMBOL(flexcop_sram_ctrl); 733785bc17SMauro Carvalho Chehab 743785bc17SMauro Carvalho Chehab #if 0 753785bc17SMauro Carvalho Chehab static void flexcop_sram_write(struct adapter *adapter, u32 bank, u32 addr, u8 *buf, u32 len) 763785bc17SMauro Carvalho Chehab { 773785bc17SMauro Carvalho Chehab int i, retries; 783785bc17SMauro Carvalho Chehab u32 command; 793785bc17SMauro Carvalho Chehab 803785bc17SMauro Carvalho Chehab for (i = 0; i < len; i++) { 813785bc17SMauro Carvalho Chehab command = bank | addr | 0x04000000 | (*buf << 0x10); 823785bc17SMauro Carvalho Chehab 833785bc17SMauro Carvalho Chehab retries = 2; 843785bc17SMauro Carvalho Chehab 853785bc17SMauro Carvalho Chehab while (((read_reg_dw(adapter, 0x700) & 0x80000000) != 0) && (retries > 0)) { 863785bc17SMauro Carvalho Chehab mdelay(1); 873785bc17SMauro Carvalho Chehab retries--; 88*2028c71dSJoe Perches } 893785bc17SMauro Carvalho Chehab 903785bc17SMauro Carvalho Chehab if (retries == 0) 913785bc17SMauro Carvalho Chehab printk("%s: SRAM timeout\n", __func__); 923785bc17SMauro Carvalho Chehab 933785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x700, command); 943785bc17SMauro Carvalho Chehab 953785bc17SMauro Carvalho Chehab buf++; 963785bc17SMauro Carvalho Chehab addr++; 973785bc17SMauro Carvalho Chehab } 983785bc17SMauro Carvalho Chehab } 993785bc17SMauro Carvalho Chehab 1003785bc17SMauro Carvalho Chehab static void flex_sram_read(struct adapter *adapter, u32 bank, u32 addr, u8 *buf, u32 len) 1013785bc17SMauro Carvalho Chehab { 1023785bc17SMauro Carvalho Chehab int i, retries; 1033785bc17SMauro Carvalho Chehab u32 command, value; 1043785bc17SMauro Carvalho Chehab 1053785bc17SMauro Carvalho Chehab for (i = 0; i < len; i++) { 1063785bc17SMauro Carvalho Chehab command = bank | addr | 0x04008000; 1073785bc17SMauro Carvalho Chehab 1083785bc17SMauro Carvalho Chehab retries = 10000; 1093785bc17SMauro Carvalho Chehab 1103785bc17SMauro Carvalho Chehab while (((read_reg_dw(adapter, 0x700) & 0x80000000) != 0) && (retries > 0)) { 1113785bc17SMauro Carvalho Chehab mdelay(1); 1123785bc17SMauro Carvalho Chehab retries--; 113*2028c71dSJoe Perches } 1143785bc17SMauro Carvalho Chehab 1153785bc17SMauro Carvalho Chehab if (retries == 0) 1163785bc17SMauro Carvalho Chehab printk("%s: SRAM timeout\n", __func__); 1173785bc17SMauro Carvalho Chehab 1183785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x700, command); 1193785bc17SMauro Carvalho Chehab 1203785bc17SMauro Carvalho Chehab retries = 10000; 1213785bc17SMauro Carvalho Chehab 1223785bc17SMauro Carvalho Chehab while (((read_reg_dw(adapter, 0x700) & 0x80000000) != 0) && (retries > 0)) { 1233785bc17SMauro Carvalho Chehab mdelay(1); 1243785bc17SMauro Carvalho Chehab retries--; 125*2028c71dSJoe Perches } 1263785bc17SMauro Carvalho Chehab 1273785bc17SMauro Carvalho Chehab if (retries == 0) 1283785bc17SMauro Carvalho Chehab printk("%s: SRAM timeout\n", __func__); 1293785bc17SMauro Carvalho Chehab 1303785bc17SMauro Carvalho Chehab value = read_reg_dw(adapter, 0x700) >> 0x10; 1313785bc17SMauro Carvalho Chehab 1323785bc17SMauro Carvalho Chehab *buf = (value & 0xff); 1333785bc17SMauro Carvalho Chehab 1343785bc17SMauro Carvalho Chehab addr++; 1353785bc17SMauro Carvalho Chehab buf++; 1363785bc17SMauro Carvalho Chehab } 1373785bc17SMauro Carvalho Chehab } 1383785bc17SMauro Carvalho Chehab 1393785bc17SMauro Carvalho Chehab static void sram_write_chunk(struct adapter *adapter, u32 addr, u8 *buf, u16 len) 1403785bc17SMauro Carvalho Chehab { 1413785bc17SMauro Carvalho Chehab u32 bank; 1423785bc17SMauro Carvalho Chehab 1433785bc17SMauro Carvalho Chehab bank = 0; 1443785bc17SMauro Carvalho Chehab 1453785bc17SMauro Carvalho Chehab if (adapter->dw_sram_type == 0x20000) { 1463785bc17SMauro Carvalho Chehab bank = (addr & 0x18000) << 0x0d; 1473785bc17SMauro Carvalho Chehab } 1483785bc17SMauro Carvalho Chehab 1493785bc17SMauro Carvalho Chehab if (adapter->dw_sram_type == 0x00000) { 1503785bc17SMauro Carvalho Chehab if ((addr >> 0x0f) == 0) 1513785bc17SMauro Carvalho Chehab bank = 0x20000000; 1523785bc17SMauro Carvalho Chehab else 1533785bc17SMauro Carvalho Chehab bank = 0x10000000; 1543785bc17SMauro Carvalho Chehab } 1553785bc17SMauro Carvalho Chehab flex_sram_write(adapter, bank, addr & 0x7fff, buf, len); 1563785bc17SMauro Carvalho Chehab } 1573785bc17SMauro Carvalho Chehab 1583785bc17SMauro Carvalho Chehab static void sram_read_chunk(struct adapter *adapter, u32 addr, u8 *buf, u16 len) 1593785bc17SMauro Carvalho Chehab { 1603785bc17SMauro Carvalho Chehab u32 bank; 1613785bc17SMauro Carvalho Chehab bank = 0; 1623785bc17SMauro Carvalho Chehab 1633785bc17SMauro Carvalho Chehab if (adapter->dw_sram_type == 0x20000) { 1643785bc17SMauro Carvalho Chehab bank = (addr & 0x18000) << 0x0d; 1653785bc17SMauro Carvalho Chehab } 1663785bc17SMauro Carvalho Chehab 1673785bc17SMauro Carvalho Chehab if (adapter->dw_sram_type == 0x00000) { 1683785bc17SMauro Carvalho Chehab if ((addr >> 0x0f) == 0) 1693785bc17SMauro Carvalho Chehab bank = 0x20000000; 1703785bc17SMauro Carvalho Chehab else 1713785bc17SMauro Carvalho Chehab bank = 0x10000000; 1723785bc17SMauro Carvalho Chehab } 1733785bc17SMauro Carvalho Chehab flex_sram_read(adapter, bank, addr & 0x7fff, buf, len); 1743785bc17SMauro Carvalho Chehab } 1753785bc17SMauro Carvalho Chehab 1763785bc17SMauro Carvalho Chehab static void sram_read(struct adapter *adapter, u32 addr, u8 *buf, u32 len) 1773785bc17SMauro Carvalho Chehab { 1783785bc17SMauro Carvalho Chehab u32 length; 1793785bc17SMauro Carvalho Chehab while (len != 0) { 1803785bc17SMauro Carvalho Chehab length = len; 1813785bc17SMauro Carvalho Chehab /* check if the address range belongs to the same 1823785bc17SMauro Carvalho Chehab * 32K memory chip. If not, the data is read 1833785bc17SMauro Carvalho Chehab * from one chip at a time */ 1843785bc17SMauro Carvalho Chehab if ((addr >> 0x0f) != ((addr + len - 1) >> 0x0f)) { 1853785bc17SMauro Carvalho Chehab length = (((addr >> 0x0f) + 1) << 0x0f) - addr; 1863785bc17SMauro Carvalho Chehab } 1873785bc17SMauro Carvalho Chehab 1883785bc17SMauro Carvalho Chehab sram_read_chunk(adapter, addr, buf, length); 1893785bc17SMauro Carvalho Chehab addr = addr + length; 1903785bc17SMauro Carvalho Chehab buf = buf + length; 1913785bc17SMauro Carvalho Chehab len = len - length; 1923785bc17SMauro Carvalho Chehab } 1933785bc17SMauro Carvalho Chehab } 1943785bc17SMauro Carvalho Chehab 1953785bc17SMauro Carvalho Chehab static void sram_write(struct adapter *adapter, u32 addr, u8 *buf, u32 len) 1963785bc17SMauro Carvalho Chehab { 1973785bc17SMauro Carvalho Chehab u32 length; 1983785bc17SMauro Carvalho Chehab while (len != 0) { 1993785bc17SMauro Carvalho Chehab length = len; 2003785bc17SMauro Carvalho Chehab 2013785bc17SMauro Carvalho Chehab /* check if the address range belongs to the same 2023785bc17SMauro Carvalho Chehab * 32K memory chip. If not, the data is 2033785bc17SMauro Carvalho Chehab * written to one chip at a time */ 2043785bc17SMauro Carvalho Chehab if ((addr >> 0x0f) != ((addr + len - 1) >> 0x0f)) { 2053785bc17SMauro Carvalho Chehab length = (((addr >> 0x0f) + 1) << 0x0f) - addr; 2063785bc17SMauro Carvalho Chehab } 2073785bc17SMauro Carvalho Chehab 2083785bc17SMauro Carvalho Chehab sram_write_chunk(adapter, addr, buf, length); 2093785bc17SMauro Carvalho Chehab addr = addr + length; 2103785bc17SMauro Carvalho Chehab buf = buf + length; 2113785bc17SMauro Carvalho Chehab len = len - length; 2123785bc17SMauro Carvalho Chehab } 2133785bc17SMauro Carvalho Chehab } 2143785bc17SMauro Carvalho Chehab 2153785bc17SMauro Carvalho Chehab static void sram_set_size(struct adapter *adapter, u32 mask) 2163785bc17SMauro Carvalho Chehab { 2173785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x71c, 2183785bc17SMauro Carvalho Chehab (mask | (~0x30000 & read_reg_dw(adapter, 0x71c)))); 2193785bc17SMauro Carvalho Chehab } 2203785bc17SMauro Carvalho Chehab 2213785bc17SMauro Carvalho Chehab static void sram_init(struct adapter *adapter) 2223785bc17SMauro Carvalho Chehab { 2233785bc17SMauro Carvalho Chehab u32 tmp; 2243785bc17SMauro Carvalho Chehab tmp = read_reg_dw(adapter, 0x71c); 2253785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x71c, 1); 2263785bc17SMauro Carvalho Chehab 2273785bc17SMauro Carvalho Chehab if (read_reg_dw(adapter, 0x71c) != 0) { 2283785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x71c, tmp); 2293785bc17SMauro Carvalho Chehab adapter->dw_sram_type = tmp & 0x30000; 2303785bc17SMauro Carvalho Chehab ddprintk("%s: dw_sram_type = %x\n", __func__, adapter->dw_sram_type); 2313785bc17SMauro Carvalho Chehab } else { 2323785bc17SMauro Carvalho Chehab adapter->dw_sram_type = 0x10000; 2333785bc17SMauro Carvalho Chehab ddprintk("%s: dw_sram_type = %x\n", __func__, adapter->dw_sram_type); 2343785bc17SMauro Carvalho Chehab } 2353785bc17SMauro Carvalho Chehab } 2363785bc17SMauro Carvalho Chehab 2373785bc17SMauro Carvalho Chehab static int sram_test_location(struct adapter *adapter, u32 mask, u32 addr) 2383785bc17SMauro Carvalho Chehab { 2393785bc17SMauro Carvalho Chehab u8 tmp1, tmp2; 2403785bc17SMauro Carvalho Chehab dprintk("%s: mask = %x, addr = %x\n", __func__, mask, addr); 2413785bc17SMauro Carvalho Chehab 2423785bc17SMauro Carvalho Chehab sram_set_size(adapter, mask); 2433785bc17SMauro Carvalho Chehab sram_init(adapter); 2443785bc17SMauro Carvalho Chehab 2453785bc17SMauro Carvalho Chehab tmp2 = 0xa5; 2463785bc17SMauro Carvalho Chehab tmp1 = 0x4f; 2473785bc17SMauro Carvalho Chehab 2483785bc17SMauro Carvalho Chehab sram_write(adapter, addr, &tmp2, 1); 2493785bc17SMauro Carvalho Chehab sram_write(adapter, addr + 4, &tmp1, 1); 2503785bc17SMauro Carvalho Chehab 2513785bc17SMauro Carvalho Chehab tmp2 = 0; 2523785bc17SMauro Carvalho Chehab mdelay(20); 2533785bc17SMauro Carvalho Chehab 2543785bc17SMauro Carvalho Chehab sram_read(adapter, addr, &tmp2, 1); 2553785bc17SMauro Carvalho Chehab sram_read(adapter, addr, &tmp2, 1); 2563785bc17SMauro Carvalho Chehab 2573785bc17SMauro Carvalho Chehab dprintk("%s: wrote 0xa5, read 0x%2x\n", __func__, tmp2); 2583785bc17SMauro Carvalho Chehab 2593785bc17SMauro Carvalho Chehab if (tmp2 != 0xa5) 2603785bc17SMauro Carvalho Chehab return 0; 2613785bc17SMauro Carvalho Chehab 2623785bc17SMauro Carvalho Chehab tmp2 = 0x5a; 2633785bc17SMauro Carvalho Chehab tmp1 = 0xf4; 2643785bc17SMauro Carvalho Chehab 2653785bc17SMauro Carvalho Chehab sram_write(adapter, addr, &tmp2, 1); 2663785bc17SMauro Carvalho Chehab sram_write(adapter, addr + 4, &tmp1, 1); 2673785bc17SMauro Carvalho Chehab 2683785bc17SMauro Carvalho Chehab tmp2 = 0; 2693785bc17SMauro Carvalho Chehab mdelay(20); 2703785bc17SMauro Carvalho Chehab 2713785bc17SMauro Carvalho Chehab sram_read(adapter, addr, &tmp2, 1); 2723785bc17SMauro Carvalho Chehab sram_read(adapter, addr, &tmp2, 1); 2733785bc17SMauro Carvalho Chehab 2743785bc17SMauro Carvalho Chehab dprintk("%s: wrote 0x5a, read 0x%2x\n", __func__, tmp2); 2753785bc17SMauro Carvalho Chehab 2763785bc17SMauro Carvalho Chehab if (tmp2 != 0x5a) 2773785bc17SMauro Carvalho Chehab return 0; 2783785bc17SMauro Carvalho Chehab return 1; 2793785bc17SMauro Carvalho Chehab } 2803785bc17SMauro Carvalho Chehab 2813785bc17SMauro Carvalho Chehab static u32 sram_length(struct adapter *adapter) 2823785bc17SMauro Carvalho Chehab { 2833785bc17SMauro Carvalho Chehab if (adapter->dw_sram_type == 0x10000) 2843785bc17SMauro Carvalho Chehab return 32768; /* 32K */ 2853785bc17SMauro Carvalho Chehab if (adapter->dw_sram_type == 0x00000) 2863785bc17SMauro Carvalho Chehab return 65536; /* 64K */ 2873785bc17SMauro Carvalho Chehab if (adapter->dw_sram_type == 0x20000) 2883785bc17SMauro Carvalho Chehab return 131072; /* 128K */ 2893785bc17SMauro Carvalho Chehab return 32768; /* 32K */ 2903785bc17SMauro Carvalho Chehab } 2913785bc17SMauro Carvalho Chehab 2923785bc17SMauro Carvalho Chehab /* FlexcopII can work with 32K, 64K or 128K of external SRAM memory. 2933785bc17SMauro Carvalho Chehab - for 128K there are 4x32K chips at bank 0,1,2,3. 2943785bc17SMauro Carvalho Chehab - for 64K there are 2x32K chips at bank 1,2. 2953785bc17SMauro Carvalho Chehab - for 32K there is one 32K chip at bank 0. 2963785bc17SMauro Carvalho Chehab 2973785bc17SMauro Carvalho Chehab FlexCop works only with one bank at a time. The bank is selected 2983785bc17SMauro Carvalho Chehab by bits 28-29 of the 0x700 register. 2993785bc17SMauro Carvalho Chehab 3003785bc17SMauro Carvalho Chehab bank 0 covers addresses 0x00000-0x07fff 3013785bc17SMauro Carvalho Chehab bank 1 covers addresses 0x08000-0x0ffff 3023785bc17SMauro Carvalho Chehab bank 2 covers addresses 0x10000-0x17fff 3033785bc17SMauro Carvalho Chehab bank 3 covers addresses 0x18000-0x1ffff */ 3043785bc17SMauro Carvalho Chehab 3053785bc17SMauro Carvalho Chehab static int flexcop_sram_detect(struct flexcop_device *fc) 3063785bc17SMauro Carvalho Chehab { 3073785bc17SMauro Carvalho Chehab flexcop_ibi_value r208, r71c_0, vr71c_1; 3083785bc17SMauro Carvalho Chehab r208 = fc->read_ibi_reg(fc, ctrl_208); 3093785bc17SMauro Carvalho Chehab fc->write_ibi_reg(fc, ctrl_208, ibi_zero); 3103785bc17SMauro Carvalho Chehab 3113785bc17SMauro Carvalho Chehab r71c_0 = fc->read_ibi_reg(fc, wan_ctrl_reg_71c); 3123785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x71c, 1); 3133785bc17SMauro Carvalho Chehab tmp3 = read_reg_dw(adapter, 0x71c); 3143785bc17SMauro Carvalho Chehab dprintk("%s: tmp3 = %x\n", __func__, tmp3); 3153785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x71c, tmp2); 3163785bc17SMauro Carvalho Chehab 3173785bc17SMauro Carvalho Chehab // check for internal SRAM ??? 3183785bc17SMauro Carvalho Chehab tmp3--; 3193785bc17SMauro Carvalho Chehab if (tmp3 != 0) { 3203785bc17SMauro Carvalho Chehab sram_set_size(adapter, 0x10000); 3213785bc17SMauro Carvalho Chehab sram_init(adapter); 3223785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x208, tmp); 3233785bc17SMauro Carvalho Chehab dprintk("%s: sram size = 32K\n", __func__); 3243785bc17SMauro Carvalho Chehab return 32; 3253785bc17SMauro Carvalho Chehab } 3263785bc17SMauro Carvalho Chehab 3273785bc17SMauro Carvalho Chehab if (sram_test_location(adapter, 0x20000, 0x18000) != 0) { 3283785bc17SMauro Carvalho Chehab sram_set_size(adapter, 0x20000); 3293785bc17SMauro Carvalho Chehab sram_init(adapter); 3303785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x208, tmp); 3313785bc17SMauro Carvalho Chehab dprintk("%s: sram size = 128K\n", __func__); 3323785bc17SMauro Carvalho Chehab return 128; 3333785bc17SMauro Carvalho Chehab } 3343785bc17SMauro Carvalho Chehab 3353785bc17SMauro Carvalho Chehab if (sram_test_location(adapter, 0x00000, 0x10000) != 0) { 3363785bc17SMauro Carvalho Chehab sram_set_size(adapter, 0x00000); 3373785bc17SMauro Carvalho Chehab sram_init(adapter); 3383785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x208, tmp); 3393785bc17SMauro Carvalho Chehab dprintk("%s: sram size = 64K\n", __func__); 3403785bc17SMauro Carvalho Chehab return 64; 3413785bc17SMauro Carvalho Chehab } 3423785bc17SMauro Carvalho Chehab 3433785bc17SMauro Carvalho Chehab if (sram_test_location(adapter, 0x10000, 0x00000) != 0) { 3443785bc17SMauro Carvalho Chehab sram_set_size(adapter, 0x10000); 3453785bc17SMauro Carvalho Chehab sram_init(adapter); 3463785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x208, tmp); 3473785bc17SMauro Carvalho Chehab dprintk("%s: sram size = 32K\n", __func__); 3483785bc17SMauro Carvalho Chehab return 32; 3493785bc17SMauro Carvalho Chehab } 3503785bc17SMauro Carvalho Chehab 3513785bc17SMauro Carvalho Chehab sram_set_size(adapter, 0x10000); 3523785bc17SMauro Carvalho Chehab sram_init(adapter); 3533785bc17SMauro Carvalho Chehab write_reg_dw(adapter, 0x208, tmp); 3543785bc17SMauro Carvalho Chehab dprintk("%s: SRAM detection failed. Set to 32K \n", __func__); 3553785bc17SMauro Carvalho Chehab return 0; 3563785bc17SMauro Carvalho Chehab } 3573785bc17SMauro Carvalho Chehab 3583785bc17SMauro Carvalho Chehab static void sll_detect_sram_size(struct adapter *adapter) 3593785bc17SMauro Carvalho Chehab { 3603785bc17SMauro Carvalho Chehab sram_detect_for_flex2(adapter); 3613785bc17SMauro Carvalho Chehab } 3623785bc17SMauro Carvalho Chehab 3633785bc17SMauro Carvalho Chehab #endif 364