diff options
Diffstat (limited to 'board/mpc8568mds')
| -rw-r--r-- | board/mpc8568mds/init.S | 48 | ||||
| -rw-r--r-- | board/mpc8568mds/mpc8568mds.c | 60 |
2 files changed, 74 insertions, 34 deletions
diff --git a/board/mpc8568mds/init.S b/board/mpc8568mds/init.S index 0d87982..972a7d4 100644 --- a/board/mpc8568mds/init.S +++ b/board/mpc8568mds/init.S @@ -143,54 +143,42 @@ tlb1_entry: .long TLB1_MAS3(E500_TLB_RPN(CFG_FLASH_BASE), 0,0,0,0,0,1,0,1,0,1) /* - * TLBe 2: 256M Non-cacheable, guarded - * 0x80000000 256M PCI1 MEM + * TLBe 2: 1G Non-cacheable, guarded + * 0x80000000 512M PCI1 MEM + * 0xa0000000 512M PCIe MEM */ .long TLB1_MAS0(1, 2, 0) - .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M) + .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_1G) .long TLB1_MAS2(E500_TLB_EPN(CFG_PCI1_MEM_BASE), 0,0,0,0,1,0,1,0) .long TLB1_MAS3(E500_TLB_RPN(CFG_PCI1_MEM_BASE), 0,0,0,0,0,1,0,1,0,1) /* - * TLBe 3: 256M Non-cacheable, guarded - * 0xa0000000 256M PCIe Mem - */ - .long TLB1_MAS0(1, 3, 0) - .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256M) - .long TLB1_MAS2(E500_TLB_EPN(CFG_PEX_MEM_BASE), 0,0,0,0,1,0,1,0) - .long TLB1_MAS3(E500_TLB_RPN(CFG_PEX_MEM_BASE), 0,0,0,0,0,1,0,1,0,1) - - /* - * TLBe 4: Reserved for future usage - */ - - /* - * TLBe 5: 64M Non-cacheable, guarded + * TLBe 3: 64M Non-cacheable, guarded * 0xe000_0000 1M CCSRBAR * 0xe200_0000 8M PCI1 IO * 0xe280_0000 8M PCIe IO */ - .long TLB1_MAS0(1, 5, 0) + .long TLB1_MAS0(1, 3, 0) .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M) .long TLB1_MAS2(E500_TLB_EPN(CFG_CCSRBAR), 0,0,0,0,1,0,1,0) .long TLB1_MAS3(E500_TLB_RPN(CFG_CCSRBAR), 0,0,0,0,0,1,0,1,0,1) /* - * TLBe 6: 64M Cacheable, non-guarded + * TLBe 4: 64M Cacheable, non-guarded * 0xf000_0000 64M LBC SDRAM */ - .long TLB1_MAS0(1, 6, 0) + .long TLB1_MAS0(1, 4, 0) .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_64M) .long TLB1_MAS2(E500_TLB_EPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,0,0,0) .long TLB1_MAS3(E500_TLB_RPN(CFG_LBC_SDRAM_BASE), 0,0,0,0,0,1,0,1,0,1) /* - * TLBe 7: 256K Non-cacheable, guarded + * TLBe 5: 256K Non-cacheable, guarded * 0xf8000000 32K BCSR * 0xf8008000 32K PIB (CS4) * 0xf8010000 32K PIB (CS5) */ - .long TLB1_MAS0(1, 7, 0) + .long TLB1_MAS0(1, 5, 0) .long TLB1_MAS1(1, 1, 0, 0, BOOKE_PAGESZ_256K) .long TLB1_MAS2(E500_TLB_EPN(CFG_BCSR_BASE), 0,0,0,0,1,0,1,0) .long TLB1_MAS3(E500_TLB_RPN(CFG_BCSR_BASE), 0,0,0,0,0,1,0,1,0,1) @@ -202,12 +190,12 @@ tlb1_entry: * LAW(Local Access Window) configuration: * *0) 0x0000_0000 0x7fff_ffff DDR 2G - *1) 0x8000_0000 0x9fff_ffff PCI1 MEM 256MB - *2) 0xa000_0000 0xbfff_ffff PCIe MEM 256MB - *5) 0xc000_0000 0xdfff_ffff SRIO 256MB + *1) 0x8000_0000 0x9fff_ffff PCI1 MEM 512MB + *2) 0xa000_0000 0xbfff_ffff PCIe MEM 512MB *-) 0xe000_0000 0xe00f_ffff CCSR 1M *3) 0xe200_0000 0xe27f_ffff PCI1 I/O 8M - *4) 0xe280_0000 0xe2ff_ffff PCIe I/0 8M + *4) 0xe280_0000 0xe2ff_ffff PCIe I/O 8M + *5) 0xc000_0000 0xdfff_ffff SRIO 512MB *6.a) 0xf000_0000 0xf3ff_ffff SDRAM 64MB *6.b) 0xf800_0000 0xf800_7fff BCSR 32KB *6.c) 0xf800_8000 0xf800_ffff PIB (CS4) 32KB @@ -226,20 +214,20 @@ tlb1_entry: #define LAWAR0 ((LAWAR_TRGT_IF_DDR | (LAWAR_SIZE & LAWAR_SIZE_128M)) & ~LAWAR_EN) #define LAWBAR1 ((CFG_PCI1_MEM_BASE>>12) & 0xfffff) -#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_256M)) +#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M)) #define LAWBAR2 ((CFG_PEX_MEM_BASE>>12) & 0xfffff) -#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_256M)) +#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_512M)) #define LAWBAR3 ((CFG_PCI1_IO_PHYS>>12) & 0xfffff) #define LAWAR3 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_8M)) #define LAWBAR4 ((CFG_PEX_IO_PHYS>>12) & 0xfffff) -#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_16M)) +#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_PEX | (LAWAR_SIZE & LAWAR_SIZE_8M)) #define LAWBAR5 ((CFG_SRIO_MEM_BASE>>12) & 0xfffff) -#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_256M)) +#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M)) /* LBC window - maps 256M. That's SDRAM, BCSR, PIBs, and Flash */ #define LAWBAR6 ((CFG_LBC_SDRAM_BASE>>12) & 0xfffff) diff --git a/board/mpc8568mds/mpc8568mds.c b/board/mpc8568mds/mpc8568mds.c index 9c7960d..23caaec 100644 --- a/board/mpc8568mds/mpc8568mds.c +++ b/board/mpc8568mds/mpc8568mds.c @@ -27,6 +27,7 @@ #include <asm/processor.h> #include <asm/immap_85xx.h> #include <spd.h> +#include <i2c.h> #include "bcsr.h" @@ -50,6 +51,15 @@ int board_early_init_f (void) enable_8568mds_duart(); enable_8568mds_flash_write(); +#ifdef CFG_I2C2_OFFSET + /* Enable I2C2_SCL and I2C2_SDA */ + volatile struct par_io *port_c; + port_c = (struct par_io*)(CFG_IMMR + 0xe0140); + port_c->cpdir2 |= 0x0f000000; + port_c->cppar2 &= ~0x0f000000; + port_c->cppar2 |= 0x0a000000; +#endif + return 0; } @@ -269,20 +279,62 @@ static struct pci_config_table pci_mpc8568mds_config_table[] = { #endif static struct pci_controller hose[] = { + { #ifndef CONFIG_PCI_PNP - { config_table: pci_mpc8568mds_config_table,}, -#endif -#ifdef CONFIG_MPC85XX_PCI2 - {}, + config_table: pci_mpc8568mds_config_table, #endif + } }; #endif /* CONFIG_PCI */ +/* + * pib_init() -- Initialize the PCA9555 IO expander on the PIB board + */ +void +pib_init(void) +{ + u8 val8, orig_i2c_bus; + /* + * Assign PIB PMC2/3 to PCI bus + */ + + /*switch temporarily to I2C bus #2 */ + orig_i2c_bus = i2c_get_bus_num(); + i2c_set_bus_num(1); + + val8 = 0x00; + i2c_write(0x23, 0x6, 1, &val8, 1); + i2c_write(0x23, 0x7, 1, &val8, 1); + val8 = 0xff; + i2c_write(0x23, 0x2, 1, &val8, 1); + i2c_write(0x23, 0x3, 1, &val8, 1); + + val8 = 0x00; + i2c_write(0x26, 0x6, 1, &val8, 1); + val8 = 0x34; + i2c_write(0x26, 0x7, 1, &val8, 1); + val8 = 0xf9; + i2c_write(0x26, 0x2, 1, &val8, 1); + val8 = 0xff; + i2c_write(0x26, 0x3, 1, &val8, 1); + + val8 = 0x00; + i2c_write(0x27, 0x6, 1, &val8, 1); + i2c_write(0x27, 0x7, 1, &val8, 1); + val8 = 0xff; + i2c_write(0x27, 0x2, 1, &val8, 1); + val8 = 0xef; + i2c_write(0x27, 0x3, 1, &val8, 1); + + asm("eieio"); +} + void pci_init_board(void) { #ifdef CONFIG_PCI + pib_init(); pci_mpc85xx_init(&hose); #endif } |