diff options
Diffstat (limited to 'board/mpc7448hpc2/tsi108_init.c')
| -rw-r--r-- | board/mpc7448hpc2/tsi108_init.c | 421 |
1 files changed, 212 insertions, 209 deletions
diff --git a/board/mpc7448hpc2/tsi108_init.c b/board/mpc7448hpc2/tsi108_init.c index 6f517f5..fdb5365 100644 --- a/board/mpc7448hpc2/tsi108_init.c +++ b/board/mpc7448hpc2/tsi108_init.c @@ -1,6 +1,6 @@ /***************************************************************************** * (C) Copyright 2003; Tundra Semiconductor Corp. - * + * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of @@ -33,7 +33,7 @@ #include <asm/processor.h> #include <tsi108.h> -extern void mpicInit(int verbose); +extern void mpicInit (int verbose); /* * Configuration Options @@ -118,11 +118,11 @@ static PLL_CTRL_SET pll0_config[8] = { static int pb_clk_sel[8] = { 0, 0, 183, 100, 133, 167, 200, 233 }; /* - * get_board_bus_clk() + * get_board_bus_clk () * * returns the bus clock in Hz. */ -unsigned long get_board_bus_clk(void) +unsigned long get_board_bus_clk (void) { ulong i; @@ -134,37 +134,38 @@ unsigned long get_board_bus_clk(void) } /* - * board_early_init_f() + * board_early_init_f () * * board-specific initialization executed from flash */ -int board_early_init_f(void) +int board_early_init_f (void) { DECLARE_GLOBAL_DATA_PTR; ulong i; gd->mem_clk = 0; - i = in32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PWRUP_STATUS); - i = (i >> 20) & 0x07; + i = in32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + + CG_PWRUP_STATUS); + i = (i >> 20) & 0x07; /* value of SW4[4:7] */ switch (i) { - case 0: - printf("Using external clock\n"); + case 0: /* external clock */ + printf ("Using external clock\n"); break; - case 1: + case 1: /* system clock */ gd->mem_clk = gd->bus_clk; break; - case 4: - case 5: - case 6: + case 4: /* 133 MHz */ + case 5: /* 166 MHz */ + case 6: /* 200 MHz */ gd->mem_clk = pb_clk_sel[i] * 1000000; break; default: - printf("Invalid DDR2 clock setting\n"); + printf ("Invalid DDR2 clock setting\n"); return -1; } - printf("BUS! %d MHz\n", get_board_bus_clk() / 1000000); - printf("MEM! %d MHz\n", gd->mem_clk / 1000000); + printf ("BUS: %d MHz\n", get_board_bus_clk() / 1000000); + printf ("MEM: %d MHz\n", gd->mem_clk / 1000000); return 0; } @@ -173,175 +174,174 @@ int board_early_init_f(void) * relocation. Contains code that cannot be executed from flash. */ -int board_early_init_r(void) +int board_early_init_r (void) { ulong temp, i; ulong reg_val; volatile ulong *reg_ptr; reg_ptr = - (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + 0x900); + (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + 0x900); for (i = 0; i < 32; i++) { *reg_ptr++ = 0x00000201; /* SWAP ENABLED */ *reg_ptr++ = 0x00; } - __asm__ __volatile__("eieio"); - __asm__ __volatile__("sync"); + __asm__ __volatile__ ("eieio"); + __asm__ __volatile__ ("sync"); /* Setup PB_OCN_BAR2: size 256B + ENable @ 0x0_80000000 */ - out32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR2, - 0x80000001); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR2, + 0x80000001); + __asm__ __volatile__ ("sync"); /* Make sure that OCN_BAR2 decoder is set (to allow following immediate - * read from SDRAM) + * read from SDRAM) */ temp = in32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR2); - __asm__ __volatile__("sync"); + __asm__ __volatile__ ("sync"); /* * Remap PB_OCN_BAR1 to accomodate PCI-bus aperture and EPROM into the * processor bus address space. Immediately after reset LUT and address * translation are disabled for this BAR. Now we have to initialize LUT * and switch from the BOOT mode to the normal operation mode. - * + * * The aperture defined by PB_OCN_BAR1 startes at address 0xE0000000 - * and covers 512MB of address space. To allow larger aperture we also + * and covers 512MB of address space. To allow larger aperture we also * have to relocate register window of Tsi108 * - * Initialize LUT (32-entries) prior switching PB_OCN_BAR1 from BOOT + * Initialize LUT (32-entries) prior switching PB_OCN_BAR1 from BOOT * mode. - * + * * initialize pointer to LUT associated with PB_OCN_BAR1 */ reg_ptr = - (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + 0x800); + (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + 0x800); for (i = 0; i < 32; i++) { *reg_ptr++ = pb2ocn_lut1[i].lower; *reg_ptr++ = pb2ocn_lut1[i].upper; } - __asm__ __volatile__("sync"); + __asm__ __volatile__ ("sync"); /* Base addresses for Cs0, CS1, CS2, CS3 */ - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_ADDR, - 0x00000000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_ADDR, + 0x00000000); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_ADDR, - 0x00100000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_ADDR, + 0x00100000); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_ADDR, - 0x00200000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_ADDR, + 0x00200000); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_ADDR, - 0x00300000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_ADDR, + 0x00300000); + __asm__ __volatile__ ("sync"); /* Masks for HLP banks */ - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_MASK, - 0xFFF00000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_MASK, + 0xFFF00000); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_MASK, - 0xFFF00000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_MASK, + 0xFFF00000); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_MASK, - 0xFFF00000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_MASK, + 0xFFF00000); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_MASK, - 0xFFF00000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_MASK, + 0xFFF00000); + __asm__ __volatile__ ("sync"); /* Set CTRL0 values for banks */ - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_CTRL0, - 0x7FFC44C2); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_CTRL0, + 0x7FFC44C2); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_CTRL0, - 0x7FFC44C0); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_CTRL0, + 0x7FFC44C0); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_CTRL0, - 0x7FFC44C0); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_CTRL0, + 0x7FFC44C0); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_CTRL0, - 0x7FFC44C2); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_CTRL0, + 0x7FFC44C2); + __asm__ __volatile__ ("sync"); /* Set banks to latched mode, enabled, and other default settings */ - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_CTRL1, - 0x7C0F2000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B0_CTRL1, + 0x7C0F2000); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_CTRL1, - 0x7C0F2000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B1_CTRL1, + 0x7C0F2000); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_CTRL1, - 0x7C0F2000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B2_CTRL1, + 0x7C0F2000); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_CTRL1, - 0x7C0F2000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_HLP_REG_OFFSET + HLP_B3_CTRL1, + 0x7C0F2000); + __asm__ __volatile__ ("sync"); /* * Set new value for PB_OCN_BAR1: switch from BOOT to LUT mode. * value for PB_OCN_BAR1: (BA-0xE000_0000 + size 512MB + ENable) */ - out32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR1, - 0xE0000011); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR1, + 0xE0000011); + __asm__ __volatile__ ("sync"); - /* Make sure that OCN_BAR2 decoder is set (to allow following - * immediate read from SDRAM) + /* Make sure that OCN_BAR2 decoder is set (to allow following + * immediate read from SDRAM) */ - + temp = in32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_OCN_BAR1); - __asm__ __volatile__("sync"); + __asm__ __volatile__ ("sync"); /* * SRI: At this point we have enabled the HLP banks. That means we can * now read from the NVRAM and initialize the environment variables. * We will over-ride the env_init called in board_init_f * This is really a work-around because, the HLP bank 1 - * where NVRAM resides is not visible during board_init_f + * where NVRAM resides is not visible during board_init_f * (lib_ppc/board.c) * Alternatively, we could use the I2C EEPROM at start-up to configure * and enable all HLP banks and not just HLP 0 as is being done for * Taiga Rev. 2. */ - env_init(); + env_init (); #ifndef DISABLE_PBM /* - * For IBM processors we have to set Address-Only commands generated + * For IBM processors we have to set Address-Only commands generated * by PBM that are different from ones set after reset. */ - temp = get_cpu_type(); + temp = get_cpu_type (); - if ((CPU_750FX == temp) || (CPU_750GX == temp)) { - out32(CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_MCMD, - 0x00009955); - } + if ((CPU_750FX == temp) || (CPU_750GX == temp)) + out32 (CFG_TSI108_CSR_BASE + TSI108_PB_REG_OFFSET + PB_MCMD, + 0x00009955); #endif /* DISABLE_PBM */ #ifdef CONFIG_PCI @@ -350,42 +350,42 @@ int board_early_init_r(void) */ /* Map PCI/X Configuration Space (16MB @ 0x0_FE000000) */ - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_BAR0_UPPER, - 0); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + + PCI_PFAB_BAR0_UPPER, 0); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_BAR0, - 0xFB000001); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_BAR0, + 0xFB000001); + __asm__ __volatile__ ("sync"); /* Set Bus Number for the attached PCI/X bus (we will use 0 for NB) */ - temp = - in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PCIX_STAT); + temp = in32(CFG_TSI108_CSR_BASE + + TSI108_PCI_REG_OFFSET + PCI_PCIX_STAT); temp &= ~0xFF00; /* Clear the BUS_NUM field */ - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PCIX_STAT, - temp); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PCIX_STAT, + temp); /* Map PCI/X IO Space (64KB @ 0x0_FD000000) takes one 16MB LUT entry */ - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO_UPPER, - 0); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO_UPPER, + 0); + __asm__ __volatile__ ("sync"); /* This register is on the PCI side to interpret the address it receives - * and maps it as a IO address. + * and maps it as a IO address. */ - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO, - 0xFA000001); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_PFAB_IO, + 0xFA000001); + __asm__ __volatile__ ("sync"); /* * Map PCI/X Memory Space * - * Transactions directed from OCM to PCI Memory Space are directed + * Transactions directed from OCM to PCI Memory Space are directed * from PB to PCI * unchanged (as defined by PB_OCN_BAR1,2 and LUT settings). * If address remapping is required the corresponding PCI_PFAB_MEM32 @@ -393,7 +393,7 @@ int board_early_init_r(void) * * Map the path from the PCI/X bus into the system memory * - * The memory mapped window assotiated with PCI P2O_BAR2 provides + * The memory mapped window assotiated with PCI P2O_BAR2 provides * access to the system memory without address remapping. * All system memory is opened for accesses initiated by PCI/X bus * masters. @@ -404,13 +404,13 @@ int board_early_init_r(void) */ reg_ptr = - (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + 0x500); + (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + 0x500); #ifdef DISABLE_PBM - /* In case when PBM is disabled (no HW supported cache snoopng on PB) - * P2O_BAR2 is directly mapped into the system memory without address - * translation. + /* In case when PBM is disabled (no HW supported cache snoopng on PB) + * P2O_BAR2 is directly mapped into the system memory without address + * translation. */ reg_val = 0x00000004; /* SDRAM port + NO Addr_Translation */ @@ -438,30 +438,30 @@ int board_early_init_r(void) reg_val = 0x00007100; #endif - __asm__ __volatile__("eieio"); - __asm__ __volatile__("sync"); + __asm__ __volatile__ ("eieio"); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES, - reg_val); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES, + reg_val); + __asm__ __volatile__ ("sync"); - /* Set 64-bit PCI bus address for system memory - * ( 0 is the best choice for easy mapping) + /* Set 64-bit PCI bus address for system memory + * ( 0 is the best choice for easy mapping) */ - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR2, - 0x00000000); - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR2_UPPER, - 0x00000000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR2, + 0x00000000); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR2_UPPER, + 0x00000000); + __asm__ __volatile__ ("sync"); #ifndef DISABLE_PBM /* - * The memory mapped window assotiated with PCI P2O_BAR3 provides - * access to the system memory using SDRAM OCN port and address - * translation. This is alternative way to access SDRAM from PCI + * The memory mapped window assotiated with PCI P2O_BAR3 provides + * access to the system memory using SDRAM OCN port and address + * translation. This is alternative way to access SDRAM from PCI * required for Tsi108 emulation testing. - * All system memory is opened for accesses initiated by + * All system memory is opened for accesses initiated by * PCI/X bus masters. * * Initialize LUT associated with PCI P2O_BAR3 @@ -469,7 +469,7 @@ int board_early_init_r(void) * set pointer to LUT associated with PCI P2O_BAR3 */ reg_ptr = - (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + 0x600); + (ulong *) (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + 0x600); reg_val = 0x00000004; /* Destination port = SDC */ @@ -483,45 +483,45 @@ int board_early_init_r(void) reg_val += 0x01000000; } - __asm__ __volatile__("eieio"); - __asm__ __volatile__("sync"); + __asm__ __volatile__ ("eieio"); + __asm__ __volatile__ ("sync"); /* Configure PCI P2O_BAR3 (size = 512MB, Enabled) */ reg_val = - in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + + in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES); reg_val &= ~0x00FF; reg_val |= 0x0071; - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES, - reg_val); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_PAGE_SIZES, + reg_val); + __asm__ __volatile__ ("sync"); /* Set 64-bit base PCI bus address for window (0x20000000) */ - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR3_UPPER, - 0x00000000); - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR3, - 0x20000000); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR3_UPPER, + 0x00000000); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR3, + 0x20000000); + __asm__ __volatile__ ("sync"); #endif /* !DISABLE_PBM */ #ifdef ENABLE_PCI_CSR_BAR /* open if required access to Tsi108 CSRs from the PCI/X bus */ /* enable BAR0 on the PCI/X bus */ - reg_val = - in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_MISC_CSR); + reg_val = in32(CFG_TSI108_CSR_BASE + + TSI108_PCI_REG_OFFSET + PCI_MISC_CSR); reg_val |= 0x02; - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_MISC_CSR, - reg_val); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_MISC_CSR, + reg_val); + __asm__ __volatile__ ("sync"); - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR0_UPPER, - 0x00000000); - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR0, - CFG_TSI108_CSR_BASE); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR0_UPPER, + 0x00000000); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_P2O_BAR0, + CFG_TSI108_CSR_BASE); + __asm__ __volatile__ ("sync"); #endif @@ -531,32 +531,32 @@ int board_early_init_r(void) reg_val = in32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_CSR); reg_val |= 0x06; - out32(CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_CSR, reg_val); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_PCI_REG_OFFSET + PCI_CSR, reg_val); + __asm__ __volatile__ ("sync"); #endif /* CONFIG_PCI */ /* * Initialize MPIC outputs (interrupt pins): * Interrupt routing on the Grendel Emul. Board: - * PB_INT[0] -> INT (CPU0) - * PB_INT[1] -> INT (CPU1) - * PB_INT[2] -> MCP (CPU0) - * PB_INT[3] -> MCP (CPU1) + * PB_INT[0] -> INT (CPU0) + * PB_INT[1] -> INT (CPU1) + * PB_INT[2] -> MCP (CPU0) + * PB_INT[3] -> MCP (CPU1) * Set interrupt controller outputs as Level_Sensitive/Active_Low */ - out32(CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(0), 0x02); - out32(CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(1), 0x02); - out32(CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(2), 0x02); - out32(CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(3), 0x02); - __asm__ __volatile__("sync"); + out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(0), 0x02); + out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(1), 0x02); + out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(2), 0x02); + out32 (CFG_TSI108_CSR_BASE + TSI108_MPIC_REG_OFFSET + MPIC_CSR(3), 0x02); + __asm__ __volatile__ ("sync"); /* * Ensure that Machine Check exception is enabled * We need it to support PCI Bus probing (configuration reads) */ - reg_val = mfmsr(); + reg_val = mfmsr (); mtmsr(reg_val | MSR_ME); return 0; @@ -567,7 +567,7 @@ int board_early_init_r(void) * used in the misc_init_r function */ -unsigned long get_l2cr(void) +unsigned long get_l2cr (void) { unsigned long l2controlreg; asm volatile ("mfspr %0, 1017":"=r" (l2controlreg):); @@ -581,79 +581,82 @@ unsigned long get_l2cr(void) * */ -int misc_init_r(void) +int misc_init_r (void) { DECLARE_GLOBAL_DATA_PTR; #ifdef CFG_CLK_SPREAD /* Initialize Spread-Spectrum Clock generation */ ulong i; /* Ensure that Spread-Spectrum is disabled */ - out32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, 0); - out32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, 0); + out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, 0); + out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, 0); /* Initialize PLL1: CG_PCI_CLK , internal OCN_CLK * Uses pre-calculated value for Fout = 800 MHz, Fs = 30 kHz, D = 0.5% */ - out32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, 0x002e0044); /* D = 0.25% */ - out32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL1, 0x00000039); /* BWADJ */ + out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, + 0x002e0044); /* D = 0.25% */ + out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL1, + 0x00000039); /* BWADJ */ /* Initialize PLL0: CG_PB_CLKO */ /* Detect PB clock freq. */ i = in32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PWRUP_STATUS); i = (i >> 16) & 0x07; /* Get PB PLL multiplier */ - out32(CFG_TSI108_CSR_BASE + - TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, pll0_config[i].ctrl0); - out32(CFG_TSI108_CSR_BASE + - TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL1, pll0_config[i].ctrl1); + out32 (CFG_TSI108_CSR_BASE + + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, pll0_config[i].ctrl0); + out32 (CFG_TSI108_CSR_BASE + + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL1, pll0_config[i].ctrl1); /* Wait and set SSEN for both PLL0 and 1 */ - udelay(1000); - out32(CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, 0x802e0044); /* D=0.25% */ - out32(CFG_TSI108_CSR_BASE + - TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, - 0x80000000 | pll0_config[i].ctrl0); + udelay (1000); + out32 (CFG_TSI108_CSR_BASE + TSI108_CLK_REG_OFFSET + CG_PLL1_CTRL0, + 0x802e0044); /* D=0.25% */ + out32 (CFG_TSI108_CSR_BASE + + TSI108_CLK_REG_OFFSET + CG_PLL0_CTRL0, + 0x80000000 | pll0_config[i].ctrl0); #endif /* CFG_CLK_SPREAD */ #ifdef CFG_L2 - l2cache_enable(); + l2cache_enable (); #endif - printf("BUS: %d MHz\n", gd->bus_clk / 1000000); - printf("MEM: %d MHz\n", gd->mem_clk / 1000000); + printf ("BUS: %d MHz\n", gd->bus_clk / 1000000); + printf ("MEM: %d MHz\n", gd->mem_clk / 1000000); /* - * All the information needed to print the cache details is avaiblable - * at this point i.e. above call to l2cache_enable is the very last - * thing done with regards to enabling diabling the cache. + * All the information needed to print the cache details is avaiblable + * at this point i.e. above call to l2cache_enable is the very last + * thing done with regards to enabling diabling the cache. * So this seems like a good place to print all this information */ - printf("CACHE: "); + printf ("CACHE: "); switch (get_cpu_type()) { case CPU_7447A: - printf("L1 Instruction cache - 32KB 8-way"); - (get_hid0() & (1 << 15)) ? printf(" ENABLED\n") : - printf(" DISABLED\n"); - printf(" L1 Data cache - 32KB 8-way"); - (get_hid0() & (1 << 14)) ? printf(" ENABLED\n") : - printf(" DISABLED\n"); - printf(" Unified L2 cache - 512KB 8-way"); - (get_l2cr() & (1 << 31)) ? printf(" ENABLED\n") : - printf(" DISABLED\n"); - printf("\n"); + printf ("L1 Instruction cache - 32KB 8-way"); + (get_hid0 () & (1 << 15)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + printf ("L1 Data cache - 32KB 8-way"); + (get_hid0 () & (1 << 14)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + printf ("Unified L2 cache - 512KB 8-way"); + (get_l2cr () & (1 << 31)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + printf ("\n"); break; case CPU_7448: - printf("L1 Instruction cache - 32KB 8-way"); - (get_hid0() & (1 << 15)) ? printf(" ENABLED\n") : - printf(" DISABLED\n"); - printf(" L1 Data cache - 32KB 8-way"); - (get_hid0() & (1 << 14)) ? printf(" ENABLED\n") : - printf(" DISABLED\n"); - printf(" Unified L2 cache - 1MB 8-way"); - (get_l2cr() & (1 << 31)) ? printf(" ENABLED\n") : - printf(" DISABLED\n"); + printf ("L1 Instruction cache - 32KB 8-way"); + (get_hid0 () & (1 << 15)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + printf ("L1 Data cache - 32KB 8-way"); + (get_hid0 () & (1 << 14)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); + printf ("Unified L2 cache - 1MB 8-way"); + (get_l2cr () & (1 << 31)) ? printf (" ENABLED\n") : + printf (" DISABLED\n"); break; default: break; |