diff options
Diffstat (limited to 'cpu')
| -rw-r--r-- | cpu/mips/cache.S | 209 | ||||
| -rw-r--r-- | cpu/mips/cpu.c | 35 | ||||
| -rw-r--r-- | cpu/mips/start.S | 48 | ||||
| -rw-r--r-- | cpu/mpc5xxx/cpu.c | 4 | ||||
| -rw-r--r-- | cpu/mpc83xx/Makefile | 15 | ||||
| -rw-r--r-- | cpu/mpc83xx/cpu_init.c | 6 | ||||
| -rw-r--r-- | cpu/mpc83xx/fdt.c | 12 | ||||
| -rw-r--r-- | cpu/mpc83xx/pci.c | 2 | ||||
| -rw-r--r-- | cpu/mpc83xx/qe_io.c | 3 | ||||
| -rw-r--r-- | cpu/mpc83xx/serdes.c | 145 | ||||
| -rw-r--r-- | cpu/mpc8xx/Makefile | 2 | ||||
| -rw-r--r-- | cpu/mpc8xx/cpu.c | 13 | ||||
| -rw-r--r-- | cpu/mpc8xx/fdt.c | 46 | ||||
| -rw-r--r-- | cpu/mpc8xx/speed.c | 25 | ||||
| -rw-r--r-- | cpu/ppc4xx/44x_spd_ddr2.c | 41 | ||||
| -rw-r--r-- | cpu/ppc4xx/4xx_enet.c | 369 | ||||
| -rw-r--r-- | cpu/ppc4xx/4xx_pci.c | 9 | ||||
| -rw-r--r-- | cpu/ppc4xx/4xx_pcie.c | 203 | ||||
| -rw-r--r-- | cpu/ppc4xx/4xx_uart.c | 24 | ||||
| -rw-r--r-- | cpu/ppc4xx/cpu.c | 45 | ||||
| -rw-r--r-- | cpu/ppc4xx/cpu_init.c | 1 | ||||
| -rw-r--r-- | cpu/ppc4xx/interrupts.c | 589 | ||||
| -rw-r--r-- | cpu/ppc4xx/miiphy.c | 196 | ||||
| -rw-r--r-- | cpu/ppc4xx/ndfc.c | 3 | ||||
| -rw-r--r-- | cpu/ppc4xx/speed.c | 125 | ||||
| -rw-r--r-- | cpu/ppc4xx/start.S | 19 | ||||
| -rw-r--r-- | cpu/ppc4xx/tlb.c | 27 | ||||
| -rw-r--r-- | cpu/s3c44b0/cpu.c | 4 |
28 files changed, 1410 insertions, 810 deletions
diff --git a/cpu/mips/cache.S b/cpu/mips/cache.S index 443240e..89ada71 100644 --- a/cpu/mips/cache.S +++ b/cpu/mips/cache.S @@ -1,5 +1,5 @@ /* - * Cache-handling routined for MIPS 4K CPUs + * Cache-handling routined for MIPS CPUs * * Copyright (c) 2003 Wolfgang Denk <wd@denx.de> * @@ -24,15 +24,32 @@ #include <config.h> #include <version.h> +#include <asm/asm.h> #include <asm/regdef.h> #include <asm/mipsregs.h> #include <asm/addrspace.h> #include <asm/cacheops.h> - /* 16KB is the maximum size of instruction and data caches on - * MIPS 4K. - */ -#define MIPS_MAX_CACHE_SIZE 0x4000 +#define RA t8 + +/* + * 16kB is the maximum size of instruction and data caches on MIPS 4K, + * 64kB is on 4KE, 24K, 5K, etc. Set bigger size for convenience. + * + * Note that the above size is the maximum size of primary cache. U-Boot + * doesn't have L2 cache support for now. + */ +#define MIPS_MAX_CACHE_SIZE 0x10000 + +#define INDEX_BASE KSEG0 + + .macro cache_op op addr + .set push + .set noreorder + .set mips3 + cache \op, 0(\addr) + .set pop + .endm /* * cacheop macro to automate cache operations @@ -103,6 +120,77 @@ #define icacheop(kva, n, cacheSize, cacheLineSize, op) \ icacheopn(kva, n, cacheSize, cacheLineSize, 1, (op)) + .macro f_fill64 dst, offset, val + LONG_S \val, (\offset + 0 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 1 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 2 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 3 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 4 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 5 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 6 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 7 * LONGSIZE)(\dst) +#if LONGSIZE == 4 + LONG_S \val, (\offset + 8 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 9 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 10 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 11 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 12 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 13 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 14 * LONGSIZE)(\dst) + LONG_S \val, (\offset + 15 * LONGSIZE)(\dst) +#endif + .endm + +/* + * mips_init_icache(uint PRId, ulong icache_size, unchar icache_linesz) + */ +LEAF(mips_init_icache) + blez a1, 9f + mtc0 zero, CP0_TAGLO + /* clear tag to invalidate */ + PTR_LI t0, INDEX_BASE + PTR_ADDU t1, t0, a1 +1: cache_op Index_Store_Tag_I t0 + PTR_ADDU t0, a2 + bne t0, t1, 1b + /* fill once, so data field parity is correct */ + PTR_LI t0, INDEX_BASE +2: cache_op Fill t0 + PTR_ADDU t0, a2 + bne t0, t1, 2b + /* invalidate again - prudent but not strictly neccessary */ + PTR_LI t0, INDEX_BASE +1: cache_op Index_Store_Tag_I t0 + PTR_ADDU t0, a2 + bne t0, t1, 1b +9: jr ra + END(mips_init_icache) + +/* + * mips_init_dcache(uint PRId, ulong dcache_size, unchar dcache_linesz) + */ +LEAF(mips_init_dcache) + blez a1, 9f + mtc0 zero, CP0_TAGLO + /* clear all tags */ + PTR_LI t0, INDEX_BASE + PTR_ADDU t1, t0, a1 +1: cache_op Index_Store_Tag_D t0 + PTR_ADDU t0, a2 + bne t0, t1, 1b + /* load from each line (in cached space) */ + PTR_LI t0, INDEX_BASE +2: LONG_L zero, 0(t0) + PTR_ADDU t0, a2 + bne t0, t1, 2b + /* clear all tags */ + PTR_LI t0, INDEX_BASE +1: cache_op Index_Store_Tag_D t0 + PTR_ADDU t0, a2 + bne t0, t1, 1b +9: jr ra + END(mips_init_dcache) + /******************************************************************************* * * mips_cache_reset - low level initialisation of the primary caches @@ -119,10 +207,8 @@ * RETURNS: N/A * */ - .globl mips_cache_reset - .ent mips_cache_reset -mips_cache_reset: - +NESTED(mips_cache_reset, 0, ra) + move RA, ra li t2, CFG_ICACHE_SIZE li t3, CFG_DCACHE_SIZE li t4, CFG_CACHELINE_SIZE @@ -130,27 +216,14 @@ mips_cache_reset: li v0, MIPS_MAX_CACHE_SIZE - /* Now clear that much memory starting from zero. - */ - - li a0, KSEG1 - addu a1, a0, v0 -2: - sw zero, 0(a0) - sw zero, 4(a0) - sw zero, 8(a0) - sw zero, 12(a0) - sw zero, 16(a0) - sw zero, 20(a0) - sw zero, 24(a0) - sw zero, 28(a0) - addu a0, 32 - bltu a0, a1, 2b - - /* Set invalid tag. + /* + * Now clear that much memory starting from zero. */ - - mtc0 zero, CP0_TAGLO + PTR_LI a0, KSEG1 + PTR_ADDU a1, a0, v0 +2: PTR_ADDIU a0, 64 + f_fill64 a0, -64, zero + bne a0, a1, 2b /* * The caches are probably in an indeterminate state, @@ -158,48 +231,26 @@ mips_cache_reset: * invalidate, load/fill, invalidate for each line. */ - /* Assume bottom of RAM will generate good parity for the cache. - */ - - li a0, K0BASE - move a2, t2 # icacheSize - move a3, t4 # icacheLineSize - move a1, a2 - icacheopn(a0,a1,a2,a3,121,(Index_Store_Tag_I,Fill)) - - /* To support Orion/R4600, we initialise the data cache in 3 passes. - */ - - /* 1: initialise dcache tags. + /* + * Assume bottom of RAM will generate good parity for the cache. */ - li a0, K0BASE - move a2, t3 # dcacheSize - move a3, t5 # dcacheLineSize - move a1, a2 - icacheop(a0,a1,a2,a3,Index_Store_Tag_D) - - /* 2: fill dcache. + /* + * Initialize the I-cache first, */ + move a1, t2 + move a2, t4 + bal mips_init_icache - li a0, K0BASE - move a2, t3 # dcacheSize - move a3, t5 # dcacheLineSize - move a1, a2 - icacheopn(a0,a1,a2,a3,1lw,(dummy)) - - /* 3: clear dcache tags. + /* + * then initialize D-cache. */ + move a1, t3 + move a2, t5 + bal mips_init_dcache - li a0, K0BASE - move a2, t3 # dcacheSize - move a3, t5 # dcacheLineSize - move a1, a2 - icacheop(a0,a1,a2,a3,Index_Store_Tag_D) - - j ra - - .end mips_cache_reset + jr RA + END(mips_cache_reset) /******************************************************************************* * @@ -208,15 +259,15 @@ mips_cache_reset: * RETURNS: 0 - cache disabled; 1 - cache enabled * */ - .globl dcache_status - .ent dcache_status -dcache_status: - - mfc0 v0, CP0_CONFIG - andi v0, v0, 1 - j ra - - .end dcache_status +LEAF(dcache_status) + mfc0 t0, CP0_CONFIG + li t1, CONF_CM_UNCACHED + andi t0, t0, CONF_CM_CMASK + move v0, zero + beq t0, t1, 2f + li v0, 1 +2: jr ra + END(dcache_status) /******************************************************************************* * @@ -225,19 +276,16 @@ dcache_status: * RETURNS: N/A * */ - .globl dcache_disable - .ent dcache_disable -dcache_disable: - +LEAF(dcache_disable) mfc0 t0, CP0_CONFIG li t1, -8 and t0, t0, t1 ori t0, t0, CONF_CM_UNCACHED mtc0 t0, CP0_CONFIG j ra + END(dcache_disable) - .end dcache_disable - +#ifdef CFG_INIT_RAM_LOCK_MIPS /******************************************************************************* * * mips_cache_lock - lock RAM area pointed to by a0 in cache. @@ -263,3 +311,4 @@ mips_cache_lock: j ra .end mips_cache_lock +#endif /* CFG_INIT_RAM_LOCK_MIPS */ diff --git a/cpu/mips/cpu.c b/cpu/mips/cpu.c index 7559ac6..8b43d8e 100644 --- a/cpu/mips/cpu.c +++ b/cpu/mips/cpu.c @@ -23,24 +23,45 @@ #include <common.h> #include <command.h> -#include <asm/inca-ip.h> #include <asm/mipsregs.h> +#include <asm/cacheops.h> +#include <asm/reboot.h> + +#define cache_op(op,addr) \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set noreorder \n" \ + " .set mips3\n\t \n" \ + " cache %0, %1 \n" \ + " .set pop \n" \ + : \ + : "i" (op), "R" (*(unsigned char *)(addr))) + +void __attribute__((weak)) _machine_restart(void) +{ +} int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { -#if defined(CONFIG_INCA_IP) - *INCA_IP_WDT_RST_REQ = 0x3f; -#elif defined(CONFIG_PURPLE) || defined(CONFIG_TB0229) - void (*f)(void) = (void *) 0xbfc00000; + _machine_restart(); - f(); -#endif fprintf(stderr, "*** reset failed ***\n"); return 0; } void flush_cache(ulong start_addr, ulong size) { + unsigned long lsize = CFG_CACHELINE_SIZE; + unsigned long addr = start_addr & ~(lsize - 1); + unsigned long aend = (start_addr + size - 1) & ~(lsize - 1); + + while (1) { + cache_op(Hit_Writeback_Inv_D, start_addr); + cache_op(Hit_Invalidate_I, start_addr); + if (addr == aend) + break; + addr += lsize; + } } void write_one_tlb(int index, u32 pagemask, u32 hi, u32 low0, u32 low1) diff --git a/cpu/mips/start.S b/cpu/mips/start.S index c92b162..baac2ce 100644 --- a/cpu/mips/start.S +++ b/cpu/mips/start.S @@ -27,6 +27,30 @@ #include <asm/regdef.h> #include <asm/mipsregs.h> + /* + * For the moment disable interrupts, mark the kernel mode and + * set ST0_KX so that the CPU does not spit fire when using + * 64-bit addresses. + */ + .macro setup_c0_status set clr + .set push + mfc0 t0, CP0_STATUS + or t0, ST0_CU0 | \set | 0x1f | \clr + xor t0, 0x1f | \clr + mtc0 t0, CP0_STATUS + .set noreorder + sll zero, 3 # ehb + .set pop + .endm + + .macro setup_c0_status_reset +#ifdef CONFIG_64BIT + setup_c0_status ST0_KX 0 +#else + setup_c0_status 0 0 +#endif + .endm + #define RVECENT(f,n) \ b f; nop #define XVECENT(f,bev) \ @@ -211,19 +235,11 @@ reset: mtc0 zero, CP0_WATCHLO mtc0 zero, CP0_WATCHHI - /* STATUS register */ -#ifdef CONFIG_TB0229 - li k0, ST0_CU0 -#else - mfc0 k0, CP0_STATUS -#endif - li k1, ~ST0_IE - and k0, k1 - mtc0 k0, CP0_STATUS - - /* CAUSE register */ + /* WP(Watch Pending), SW0/1 should be cleared. */ mtc0 zero, CP0_CAUSE + setup_c0_status_reset + /* Init Timer */ mtc0 zero, CP0_COUNT mtc0 zero, CP0_COMPARE @@ -240,14 +256,6 @@ reset: 1: lw gp, 0(ra) -#ifdef CONFIG_INCA_IP - /* Disable INCA-IP Watchdog. - */ - la t9, disable_incaip_wdt - jalr t9 - nop -#endif - /* Initialize any external memory. */ la t9, lowlevel_init @@ -267,10 +275,12 @@ reset: /* Set up temporary stack. */ +#ifdef CFG_INIT_RAM_LOCK_MIPS li a0, CFG_INIT_SP_OFFSET la t9, mips_cache_lock jalr t9 nop +#endif li t0, CFG_SDRAM_BASE + CFG_INIT_SP_OFFSET la sp, 0(t0) diff --git a/cpu/mpc5xxx/cpu.c b/cpu/mpc5xxx/cpu.c index 7522afe..ace1653 100644 --- a/cpu/mpc5xxx/cpu.c +++ b/cpu/mpc5xxx/cpu.c @@ -119,7 +119,9 @@ void ft_cpu_setup(void *blob, bd_t *bd) { int div = in_8((void*)CFG_MBAR + 0x204) & 0x0020 ? 8 : 4; char * cpu_path = "/cpus/" OF_CPU; +#ifdef CONFIG_MPC5xxx_FEC char * eth_path = "/" OF_SOC "/ethernet@3000"; +#endif do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1); do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1); @@ -127,7 +129,9 @@ void ft_cpu_setup(void *blob, bd_t *bd) do_fixup_by_path_u32(blob, "/" OF_SOC, "bus-frequency", bd->bi_ipbfreq, 1); do_fixup_by_path_u32(blob, "/" OF_SOC, "system-frequency", bd->bi_busfreq*div, 1); +#ifdef CONFIG_MPC5xxx_FEC do_fixup_by_path(blob, eth_path, "mac-address", bd->bi_enetaddr, 6, 0); do_fixup_by_path(blob, eth_path, "local-mac-address", bd->bi_enetaddr, 6, 0); +#endif } #endif diff --git a/cpu/mpc83xx/Makefile b/cpu/mpc83xx/Makefile index 94a3cb8..fcb6a52 100644 --- a/cpu/mpc83xx/Makefile +++ b/cpu/mpc83xx/Makefile @@ -28,9 +28,20 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a START = start.o -COBJS = traps.o cpu.o cpu_init.o speed.o interrupts.o \ - spd_sdram.o ecc.o qe_io.o pci.o fdt.o +COBJS-y += traps.o +COBJS-y += cpu.o +COBJS-y += cpu_init.o +COBJS-y += speed.o +COBJS-y += interrupts.o +COBJS-y += spd_sdram.o +COBJS-y += ecc.o +COBJS-$(CONFIG_QE) += qe_io.o +COBJS-$(CONFIG_FSL_SERDES) += serdes.o +COBJS-$(CONFIG_83XX_GENERIC_PCI) += pci.o +COBJS-$(CONFIG_OF_LIBFDT) += fdt.o + +COBJS := $(COBJS-y) SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) START := $(addprefix $(obj),$(START)) diff --git a/cpu/mpc83xx/cpu_init.c b/cpu/mpc83xx/cpu_init.c index e643037..fba5b02 100644 --- a/cpu/mpc83xx/cpu_init.c +++ b/cpu/mpc83xx/cpu_init.c @@ -79,6 +79,12 @@ void cpu_init_f (volatile immap_t * im) (CFG_ACR_RPTCNT << ACR_RPTCNT_SHIFT); #endif +#ifdef CFG_SPCR_OPT + /* Optimize transactions between CSB and other devices */ + im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_OPT) | + (CFG_SPCR_OPT << SPCR_OPT_SHIFT); +#endif + #ifdef CFG_SPCR_TSECEP /* all eTSEC's Emergency priority */ im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSECEP) | diff --git a/cpu/mpc83xx/fdt.c b/cpu/mpc83xx/fdt.c index 6f55932..b39f678 100644 --- a/cpu/mpc83xx/fdt.c +++ b/cpu/mpc83xx/fdt.c @@ -24,9 +24,6 @@ */ #include <common.h> - -#if defined(CONFIG_OF_LIBFDT) - #include <libfdt.h> #include <fdt_support.h> @@ -49,6 +46,14 @@ void ft_cpu_setup(void *blob, bd_t *bd) "clock-frequency", gd->core_clk, 1); do_fixup_by_prop_u32(blob, "device_type", "soc", 4, "bus-frequency", bd->bi_busfreq, 1); + do_fixup_by_compat_u32(blob, "fsl,soc", + "bus-frequency", bd->bi_busfreq, 1); + do_fixup_by_compat_u32(blob, "fsl,soc", + "clock-frequency", bd->bi_busfreq, 1); + do_fixup_by_compat_u32(blob, "fsl,immr", + "bus-frequency", bd->bi_busfreq, 1); + do_fixup_by_compat_u32(blob, "fsl,immr", + "clock-frequency", bd->bi_busfreq, 1); #ifdef CONFIG_QE ft_qe_setup(blob); #endif @@ -68,4 +73,3 @@ void ft_cpu_setup(void *blob, bd_t *bd) fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); } -#endif /* CONFIG_OF_LIBFDT */ diff --git a/cpu/mpc83xx/pci.c b/cpu/mpc83xx/pci.c index 18558db..adabf7a 100644 --- a/cpu/mpc83xx/pci.c +++ b/cpu/mpc83xx/pci.c @@ -33,7 +33,6 @@ #include <asm/mpc8349_pci.h> -#ifdef CONFIG_83XX_GENERIC_PCI #define MAX_BUSES 2 DECLARE_GLOBAL_DATA_PTR; @@ -209,4 +208,3 @@ void ft_pci_setup(void *blob, bd_t *bd) } } #endif /* CONFIG_OF_LIBFDT */ -#endif /* CONFIG_83XX_GENERIC_PCI */ diff --git a/cpu/mpc83xx/qe_io.c b/cpu/mpc83xx/qe_io.c index 8b3937a..ce91a07 100644 --- a/cpu/mpc83xx/qe_io.c +++ b/cpu/mpc83xx/qe_io.c @@ -25,7 +25,6 @@ #include "asm/io.h" #include "asm/immap_83xx.h" -#if defined(CONFIG_QE) #define NUM_OF_PINS 32 void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign) { @@ -81,5 +80,3 @@ void qe_config_iopin(u8 port, u8 pin, int dir, int open_drain, int assign) out_be32(&par_io->ioport[port].ppar1, pin_2bit_assign | tmp_val); } } - -#endif /* CONFIG_QE */ diff --git a/cpu/mpc83xx/serdes.c b/cpu/mpc83xx/serdes.c new file mode 100644 index 0000000..020c4c8 --- /dev/null +++ b/cpu/mpc83xx/serdes.c @@ -0,0 +1,145 @@ +/* + * Freescale SerDes initialization routine + * + * Copyright (C) 2007 Freescale Semicondutor, Inc. All rights reserved. + * Copyright (C) 2008 MontaVista Software, Inc. All rights reserved. + * + * Author: Li Yang <leoli@freescale.com> + * + * 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 the License, or (at your + * option) any later version. + */ + +#include <config.h> +#include <common.h> +#include <asm/io.h> +#include <asm/fsl_serdes.h> + +/* SerDes registers */ +#define FSL_SRDSCR0_OFFS 0x0 +#define FSL_SRDSCR0_DPP_1V2 0x00008800 +#define FSL_SRDSCR1_OFFS 0x4 +#define FSL_SRDSCR1_PLLBW 0x00000040 +#define FSL_SRDSCR2_OFFS 0x8 +#define FSL_SRDSCR2_VDD_1V2 0x00800000 +#define FSL_SRDSCR2_SEIC_MASK 0x00001c1c +#define FSL_SRDSCR2_SEIC_SATA 0x00001414 +#define FSL_SRDSCR2_SEIC_PEX 0x00001010 +#define FSL_SRDSCR2_SEIC_SGMII 0x00000101 +#define FSL_SRDSCR3_OFFS 0xc +#define FSL_SRDSCR3_KFR_SATA 0x10100000 +#define FSL_SRDSCR3_KPH_SATA 0x04040000 +#define FSL_SRDSCR3_SDFM_SATA_PEX 0x01010000 +#define FSL_SRDSCR3_SDTXL_SATA 0x00000505 +#define FSL_SRDSCR4_OFFS 0x10 +#define FSL_SRDSCR4_PROT_SATA 0x00000808 +#define FSL_SRDSCR4_PROT_PEX 0x00000101 +#define FSL_SRDSCR4_PROT_SGMII 0x00000505 +#define FSL_SRDSCR4_PLANE_X2 0x01000000 +#define FSL_SRDSRSTCTL_OFFS 0x20 +#define FSL_SRDSRSTCTL_RST 0x80000000 +#define FSL_SRDSRSTCTL_SATA_RESET 0xf + +void fsl_setup_serdes(u32 offset, char proto, char rfcks, char vdd) +{ + void *regs = (void *)CFG_IMMR + offset; + u32 tmp; + + /* 1.0V corevdd */ + if (vdd) { + /* DPPE/DPPA = 0 */ + tmp = in_be32(regs + FSL_SRDSCR0_OFFS); + tmp &= ~FSL_SRDSCR0_DPP_1V2; + out_be32(regs + FSL_SRDSCR0_OFFS, tmp); + + /* VDD = 0 */ + tmp = in_be32(regs + FSL_SRDSCR2_OFFS); + tmp &= ~FSL_SRDSCR2_VDD_1V2; + out_be32(regs + FSL_SRDSCR2_OFFS, tmp); + } + + /* protocol specific configuration */ + switch (proto) { + case FSL_SERDES_PROTO_SATA: + /* Set and clear reset bits */ + tmp = in_be32(regs + FSL_SRDSRSTCTL_OFFS); + tmp |= FSL_SRDSRSTCTL_SATA_RESET; + out_be32(regs + FSL_SRDSRSTCTL_OFFS, tmp); + udelay(1000); + tmp &= ~FSL_SRDSRSTCTL_SATA_RESET; + out_be32(regs + FSL_SRDSRSTCTL_OFFS, tmp); + + /* Configure SRDSCR1 */ + tmp = in_be32(regs + FSL_SRDSCR1_OFFS); + tmp &= ~FSL_SRDSCR1_PLLBW; + out_be32(regs + FSL_SRDSCR1_OFFS, tmp); + + /* Configure SRDSCR2 */ + tmp = in_be32(regs + FSL_SRDSCR2_OFFS); + tmp &= ~FSL_SRDSCR2_SEIC_MASK; + tmp |= FSL_SRDSCR2_SEIC_SATA; + out_be32(regs + FSL_SRDSCR2_OFFS, tmp); + + /* Configure SRDSCR3 */ + tmp = FSL_SRDSCR3_KFR_SATA | FSL_SRDSCR3_KPH_SATA | + FSL_SRDSCR3_SDFM_SATA_PEX | + FSL_SRDSCR3_SDTXL_SATA; + out_be32(regs + FSL_SRDSCR3_OFFS, tmp); + + /* Configure SRDSCR4 */ + tmp = rfcks | FSL_SRDSCR4_PROT_SATA; + out_be32(regs + FSL_SRDSCR4_OFFS, tmp); + break; + case FSL_SERDES_PROTO_PEX: + case FSL_SERDES_PROTO_PEX_X2: + /* Configure SRDSCR1 */ + tmp = in_be32(regs + FSL_SRDSCR1_OFFS); + tmp |= FSL_SRDSCR1_PLLBW; + out_be32(regs + FSL_SRDSCR1_OFFS, tmp); + + /* Configure SRDSCR2 */ + tmp = in_be32(regs + FSL_SRDSCR2_OFFS); + tmp &= ~FSL_SRDSCR2_SEIC_MASK; + tmp |= FSL_SRDSCR2_SEIC_PEX; + out_be32(regs + FSL_SRDSCR2_OFFS, tmp); + + /* Configure SRDSCR3 */ + tmp = FSL_SRDSCR3_SDFM_SATA_PEX; + out_be32(regs + FSL_SRDSCR3_OFFS, tmp); + + /* Configure SRDSCR4 */ + tmp = rfcks | FSL_SRDSCR4_PROT_PEX; + if (proto == FSL_SERDES_PROTO_PEX_X2) + tmp |= FSL_SRDSCR4_PLANE_X2; + out_be32(regs + FSL_SRDSCR4_OFFS, tmp); + break; + case FSL_SERDES_PROTO_SGMII: + /* Configure SRDSCR1 */ + tmp = in_be32(regs + FSL_SRDSCR1_OFFS); + tmp &= ~FSL_SRDSCR1_PLLBW; + out_be32(regs + FSL_SRDSCR1_OFFS, tmp); + + /* Configure SRDSCR2 */ + tmp = in_be32(regs + FSL_SRDSCR2_OFFS); + tmp &= ~FSL_SRDSCR2_SEIC_MASK; + tmp |= FSL_SRDSCR2_SEIC_SGMII; + out_be32(regs + FSL_SRDSCR2_OFFS, tmp); + + /* Configure SRDSCR3 */ + out_be32(regs + FSL_SRDSCR3_OFFS, 0); + + /* Configure SRDSCR4 */ + tmp = rfcks | FSL_SRDSCR4_PROT_SGMII; + out_be32(regs + FSL_SRDSCR4_OFFS, tmp); + break; + default: + return; + } + + /* Do a software reset */ + tmp = in_be32(regs + FSL_SRDSRSTCTL_OFFS); + tmp |= FSL_SRDSRSTCTL_RST; + out_be32(regs + FSL_SRDSRSTCTL_OFFS, tmp); +} diff --git a/cpu/mpc8xx/Makefile b/cpu/mpc8xx/Makefile index 223b30c..dbdc2e0 100644 --- a/cpu/mpc8xx/Makefile +++ b/cpu/mpc8xx/Makefile @@ -29,7 +29,7 @@ LIB = $(obj)lib$(CPU).a START = start.o kgdb.o COBJS = bedbug_860.o commproc.o cpu.o cpu_init.o \ - fec.o i2c.o interrupts.o lcd.o scc.o \ + fec.o fdt.o i2c.o interrupts.o lcd.o scc.o \ serial.o speed.o spi.o \ traps.o upatch.o video.o SOBJS = plprcr_write.o diff --git a/cpu/mpc8xx/cpu.c b/cpu/mpc8xx/cpu.c index 5d4ab82..ec6a3fd 100644 --- a/cpu/mpc8xx/cpu.c +++ b/cpu/mpc8xx/cpu.c @@ -634,17 +634,4 @@ void reset_8xx_watchdog (volatile immap_t * immr) immr->im_siu_conf.sc_swsr = 0xaa39; /* write magic2 */ # endif /* CONFIG_LWMON */ } - #endif /* CONFIG_WATCHDOG */ - -/* ------------------------------------------------------------------------- */ -#if defined(CONFIG_OF_LIBFDT) && defined (CONFIG_OF_BOARD_SETUP) -void ft_cpu_setup (void *blob, bd_t *bd) -{ - char * cpu_path = "/cpus/" OF_CPU; - - do_fixup_by_path_u32(blob, cpu_path, "bus-frequency", bd->bi_busfreq, 1); - do_fixup_by_path_u32(blob, cpu_path, "timebase-frequency", OF_TBCLK, 1); - do_fixup_by_path_u32(blob, cpu_path, "clock-frequency", bd->bi_intfreq, 1); -} -#endif /* CONFIG_OF_LIBFDT */ diff --git a/cpu/mpc8xx/fdt.c b/cpu/mpc8xx/fdt.c new file mode 100644 index 0000000..567094a --- /dev/null +++ b/cpu/mpc8xx/fdt.c @@ -0,0 +1,46 @@ +/* + * Copyright 2008 (C) Bryan O'Donoghue + * + * Code copied & edited from Freescale mpc85xx stuff. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <libfdt.h> +#include <fdt_support.h> + +DECLARE_GLOBAL_DATA_PTR; + +void ft_cpu_setup(void *blob, bd_t *bd) +{ + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, + "timebase-frequency", get_tbclk(), 1); + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, + "bus-frequency", bd->bi_busfreq, 1); + do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, + "clock-frequency", bd->bi_intfreq, 1); + do_fixup_by_compat_u32(blob, "fsl,cpm-brg", "clock-frequency", + gd->brg_clk, 1); + + /* Fixup ethernet MAC addresses */ + fdt_fixup_ethernet(blob, bd); + + fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); +} diff --git a/cpu/mpc8xx/speed.c b/cpu/mpc8xx/speed.c index 11b0893..070babc 100644 --- a/cpu/mpc8xx/speed.c +++ b/cpu/mpc8xx/speed.c @@ -174,6 +174,27 @@ unsigned long measure_gclk(void) #endif +void get_brgclk(uint sccr) +{ + uint divider = 0; + + switch((sccr&SCCR_DFBRG11)>>11){ + case 0: + divider = 1; + break; + case 1: + divider = 4; + break; + case 2: + divider = 16; + break; + case 3: + divider = 64; + break; + } + gd->brg_clk = gd->cpu_clk/divider; +} + #if !defined(CONFIG_8xx_CPUCLK_DEFAULT) /* @@ -223,6 +244,8 @@ int get_clocks (void) gd->bus_clk = gd->cpu_clk / 2; } + get_brgclk(sccr); + return (0); } @@ -254,6 +277,8 @@ int get_clocks_866 (void) gd->cpu_clk = measure_gclk (); #endif + get_brgclk(immr->im_clkrst.car_sccr); + /* if cpu clock <= 66 MHz then set bus division factor to 1, * otherwise set it to 2 */ diff --git a/cpu/ppc4xx/44x_spd_ddr2.c b/cpu/ppc4xx/44x_spd_ddr2.c index 3bafea3..9e722b9 100644 --- a/cpu/ppc4xx/44x_spd_ddr2.c +++ b/cpu/ppc4xx/44x_spd_ddr2.c @@ -42,7 +42,8 @@ #include <asm/mmu.h> #if defined(CONFIG_SPD_EEPROM) && \ - (defined(CONFIG_440SP) || defined(CONFIG_440SPE)) + (defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT)) /*-----------------------------------------------------------------------------+ * Defines @@ -579,6 +580,13 @@ long int initdram(int board_type) ppc440sp_sdram_register_dump(); + /* + * Clear potential errors resulting from auto-calibration. + * If not done, then we could get an interrupt later on when + * exceptions are enabled. + */ + set_mcsr(get_mcsr()); + return dram_size; } @@ -2125,6 +2133,7 @@ static void program_memory_queue(unsigned long *dimm_populated, unsigned long baseadd_size; unsigned long i; unsigned long bank_0_populated = 0; + unsigned long total_size = 0; /*------------------------------------------------------------------ * Reset the rank_base_address. @@ -2147,28 +2156,38 @@ static void program_memory_queue(unsigned long *dimm_populated, * Set the sizes *-----------------------------------------------------------------*/ baseadd_size = 0; - rank_size_bytes = 4 * 1024 * 1024 * rank_size_id; switch (rank_size_id) { + case 0x01: + baseadd_size |= SDRAM_RXBAS_SDSZ_1024; + total_size = 1024; + break; case 0x02: - baseadd_size |= SDRAM_RXBAS_SDSZ_8; + baseadd_size |= SDRAM_RXBAS_SDSZ_2048; + total_size = 2048; break; case 0x04: - baseadd_size |= SDRAM_RXBAS_SDSZ_16; + baseadd_size |= SDRAM_RXBAS_SDSZ_4096; + total_size = 4096; break; case 0x08: baseadd_size |= SDRAM_RXBAS_SDSZ_32; + total_size = 32; break; case 0x10: baseadd_size |= SDRAM_RXBAS_SDSZ_64; + total_size = 64; break; case 0x20: baseadd_size |= SDRAM_RXBAS_SDSZ_128; + total_size = 128; break; case 0x40: baseadd_size |= SDRAM_RXBAS_SDSZ_256; + total_size = 256; break; case 0x80: baseadd_size |= SDRAM_RXBAS_SDSZ_512; + total_size = 512; break; default: printf("DDR-SDRAM: DIMM %d memory queue configuration.\n", @@ -2178,6 +2197,7 @@ static void program_memory_queue(unsigned long *dimm_populated, printf("Replace the DIMM module with a supported DIMM.\n\n"); spd_ddr_init_hang (); } + rank_size_bytes = total_size << 20; if ((dimm_populated[dimm_num] != SDRAM_NONE) && (dimm_num == 1)) bank_0_populated = 1; @@ -2190,6 +2210,19 @@ static void program_memory_queue(unsigned long *dimm_populated, } } } + +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) + /* + * Enable high bandwidth access on 460EX/GT. + * This should/could probably be done on other + * PPC's too, like 440SPe. + * This is currently not used, but with this setup + * it is possible to use it later on in e.g. the Linux + * EMAC driver for performance gain. + */ + mtdcr(SDRAM_PLBADDULL, 0x00000000); /* MQ0_BAUL */ + mtdcr(SDRAM_PLBADDUHB, 0x00000008); /* MQ0_BAUH */ +#endif } /*-----------------------------------------------------------------------------+ diff --git a/cpu/ppc4xx/4xx_enet.c b/cpu/ppc4xx/4xx_enet.c index 599f5ce..d990250 100644 --- a/cpu/ppc4xx/4xx_enet.c +++ b/cpu/ppc4xx/4xx_enet.c @@ -137,17 +137,32 @@ #define BI_PHYMODE_RTBI 4 #define BI_PHYMODE_TBI 5 #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) #define BI_PHYMODE_SMII 6 #define BI_PHYMODE_MII 7 +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#define BI_PHYMODE_RMII 8 +#endif #endif #if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) #define SDR0_MFR_ETH_CLK_SEL_V(n) ((0x01<<27) / (n+1)) #endif +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#define SDR0_ETH_CFG_CLK_SEL_V(n) (0x01 << (8 + n)) +#endif + +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#define MAL_RX_CHAN_MUL 8 /* 460EX/GT uses MAL channel 8 for EMAC1 */ +#else +#define MAL_RX_CHAN_MUL 1 +#endif + /*-----------------------------------------------------------------------------+ * Global variables. TX and RX descriptors and buffers. *-----------------------------------------------------------------------------*/ @@ -214,6 +229,44 @@ extern int emac4xx_miiphy_write (char *devname, unsigned char addr, int board_emac_count(void); +static void emac_loopback_enable(EMAC_4XX_HW_PST hw_p) +{ +#if defined(CONFIG_440SPE) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) + u32 val; + + mfsdr(sdr_mfr, val); + val |= SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum); + mtsdr(sdr_mfr, val); +#elif defined(CONFIG_460EX) || defined(CONFIG_460GT) + u32 val; + + mfsdr(SDR0_ETH_CFG, val); + val |= SDR0_ETH_CFG_CLK_SEL_V(hw_p->devnum); + mtsdr(SDR0_ETH_CFG, val); +#endif +} + +static void emac_loopback_disable(EMAC_4XX_HW_PST hw_p) +{ +#if defined(CONFIG_440SPE) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) + u32 val; + + mfsdr(sdr_mfr, val); + val &= ~SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum); + mtsdr(sdr_mfr, val); +#elif defined(CONFIG_460EX) || defined(CONFIG_460GT) + u32 val; + + mfsdr(SDR0_ETH_CFG, val); + val &= ~SDR0_ETH_CFG_CLK_SEL_V(hw_p->devnum); + mtsdr(SDR0_ETH_CFG, val); +#endif +} + /*-----------------------------------------------------------------------------+ | ppc_4xx_eth_halt | Disable MAL channel, and EMACn @@ -222,11 +275,6 @@ static void ppc_4xx_eth_halt (struct eth_device *dev) { EMAC_4XX_HW_PST hw_p = dev->priv; uint32_t failsafe = 10000; -#if defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_405EX) - unsigned long mfr; -#endif out_be32((void *)EMAC_IER + hw_p->hw_addr, 0x00000000); /* disable emac interrupts */ @@ -247,27 +295,14 @@ static void ppc_4xx_eth_halt (struct eth_device *dev) break; } - /* EMAC RESET */ -#if defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_405EX) /* provide clocks for EMAC internal loopback */ - mfsdr (sdr_mfr, mfr); - mfr |= SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum); - mtsdr(sdr_mfr, mfr); -#endif + emac_loopback_enable(hw_p); + /* EMAC RESET */ out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST); -#if defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_405EX) /* remove clocks for EMAC internal loopback */ - mfsdr (sdr_mfr, mfr); - mfr &= ~SDR0_MFR_ETH_CLK_SEL_V(hw_p->devnum); - mtsdr(sdr_mfr, mfr); -#endif - + emac_loopback_disable(hw_p); #ifndef CONFIG_NETCONSOLE hw_p->print_speed = 1; /* print speed message again next time */ @@ -452,6 +487,187 @@ int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) } #endif /* CONFIG_405EX */ +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +int ppc_4xx_eth_setup_bridge(int devnum, bd_t * bis) +{ + u32 eth_cfg; + u32 zmiifer; /* ZMII0_FER reg. */ + u32 rmiifer; /* RGMII0_FER reg. Bridge 0 */ + u32 rmiifer1; /* RGMII0_FER reg. Bridge 1 */ + + zmiifer = 0; + rmiifer = 0; + rmiifer1 = 0; + + /* TODO: + * NOTE: 460GT has 2 RGMII bridge cores: + * emac0 ------ RGMII0_BASE + * | + * emac1 -----+ + * + * emac2 ------ RGMII1_BASE + * | + * emac3 -----+ + * + * 460EX has 1 RGMII bridge core: + * and RGMII1_BASE is disabled + * emac0 ------ RGMII0_BASE + * | + * emac1 -----+ + */ + + /* + * Right now only 2*RGMII is supported. Please extend when needed. + * sr - 2008-02-19 + */ + switch (9) { + case 1: + /* 1 MII - 460EX */ + /* GMC0 EMAC4_0, ZMII Bridge */ + zmiifer |= ZMII_FER_MII << ZMII_FER_V(0); + bis->bi_phymode[0] = BI_PHYMODE_MII; + bis->bi_phymode[1] = BI_PHYMODE_NONE; + bis->bi_phymode[2] = BI_PHYMODE_NONE; + bis->bi_phymode[3] = BI_PHYMODE_NONE; + break; + case 2: + /* 2 MII - 460GT */ + /* GMC0 EMAC4_0, GMC1 EMAC4_2, ZMII Bridge */ + zmiifer |= ZMII_FER_MII << ZMII_FER_V(0); + zmiifer |= ZMII_FER_MII << ZMII_FER_V(2); + bis->bi_phymode[0] = BI_PHYMODE_MII; + bis->bi_phymode[1] = BI_PHYMODE_NONE; + bis->bi_phymode[2] = BI_PHYMODE_MII; + bis->bi_phymode[3] = BI_PHYMODE_NONE; + break; + case 3: + /* 2 RMII - 460EX */ + /* GMC0 EMAC4_0, GMC0 EMAC4_1, ZMII Bridge */ + zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0); + zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1); + bis->bi_phymode[0] = BI_PHYMODE_RMII; + bis->bi_phymode[1] = BI_PHYMODE_RMII; + bis->bi_phymode[2] = BI_PHYMODE_NONE; + bis->bi_phymode[3] = BI_PHYMODE_NONE; + break; + case 4: + /* 4 RMII - 460GT */ + /* GMC0 EMAC4_0, GMC0 EMAC4_1, GMC1 EMAC4_2, GMC1, EMAC4_3 */ + /* ZMII Bridge */ + zmiifer |= ZMII_FER_RMII << ZMII_FER_V(0); + zmiifer |= ZMII_FER_RMII << ZMII_FER_V(1); + zmiifer |= ZMII_FER_RMII << ZMII_FER_V(2); + zmiifer |= ZMII_FER_RMII << ZMII_FER_V(3); + bis->bi_phymode[0] = BI_PHYMODE_RMII; + bis->bi_phymode[1] = BI_PHYMODE_RMII; + bis->bi_phymode[2] = BI_PHYMODE_RMII; + bis->bi_phymode[3] = BI_PHYMODE_RMII; + break; + case 5: + /* 2 SMII - 460EX */ + /* GMC0 EMAC4_0, GMC0 EMAC4_1, ZMII Bridge */ + zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0); + zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1); + bis->bi_phymode[0] = BI_PHYMODE_SMII; + bis->bi_phymode[1] = BI_PHYMODE_SMII; + bis->bi_phymode[2] = BI_PHYMODE_NONE; + bis->bi_phymode[3] = BI_PHYMODE_NONE; + break; + case 6: + /* 4 SMII - 460GT */ + /* GMC0 EMAC4_0, GMC0 EMAC4_1, GMC0 EMAC4_3, GMC0 EMAC4_3 */ + /* ZMII Bridge */ + zmiifer |= ZMII_FER_SMII << ZMII_FER_V(0); + zmiifer |= ZMII_FER_SMII << ZMII_FER_V(1); + zmiifer |= ZMII_FER_SMII << ZMII_FER_V(2); + zmiifer |= ZMII_FER_SMII << ZMII_FER_V(3); + bis->bi_phymode[0] = BI_PHYMODE_SMII; + bis->bi_phymode[1] = BI_PHYMODE_SMII; + bis->bi_phymode[2] = BI_PHYMODE_SMII; + bis->bi_phymode[3] = BI_PHYMODE_SMII; + break; + case 7: + /* This is the default mode that we want for board bringup - Maple */ + /* 1 GMII - 460EX */ + /* GMC0 EMAC4_0, RGMII Bridge 0 */ + rmiifer |= RGMII_FER_MDIO(0); + + if (devnum == 0) { + rmiifer |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC0 */ + bis->bi_phymode[0] = BI_PHYMODE_GMII; + bis->bi_phymode[1] = BI_PHYMODE_NONE; + bis->bi_phymode[2] = BI_PHYMODE_NONE; + bis->bi_phymode[3] = BI_PHYMODE_NONE; + } else { + rmiifer |= RGMII_FER_GMII << RGMII_FER_V(3); /* CH1CFG - EMAC1 */ + bis->bi_phymode[0] = BI_PHYMODE_NONE; + bis->bi_phymode[1] = BI_PHYMODE_GMII; + bis->bi_phymode[2] = BI_PHYMODE_NONE; + bis->bi_phymode[3] = BI_PHYMODE_NONE; + } + break; + case 8: + /* 2 GMII - 460GT */ + /* GMC0 EMAC4_0, RGMII Bridge 0 */ + /* GMC1 EMAC4_2, RGMII Bridge 1 */ + rmiifer |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC0 */ + rmiifer1 |= RGMII_FER_GMII << RGMII_FER_V(2); /* CH0CFG - EMAC2 */ + rmiifer |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC0 */ + rmiifer1 |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC2 */ + + bis->bi_phymode[0] = BI_PHYMODE_GMII; + bis->bi_phymode[1] = BI_PHYMODE_NONE; + bis->bi_phymode[2] = BI_PHYMODE_GMII; + bis->bi_phymode[3] = BI_PHYMODE_NONE; + break; + case 9: + /* 2 RGMII - 460EX */ + /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */ + rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2); + rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3); + rmiifer |= RGMII_FER_MDIO(0); /* enable MDIO - EMAC0 */ + + bis->bi_phymode[0] = BI_PHYMODE_RGMII; + bis->bi_phymode[1] = BI_PHYMODE_RGMII; + bis->bi_phymode[2] = BI_PHYMODE_NONE; + bis->bi_phymode[3] = BI_PHYMODE_NONE; + break; + case 10: + /* 4 RGMII - 460GT */ + /* GMC0 EMAC4_0, GMC0 EMAC4_1, RGMII Bridge 0 */ + /* GMC1 EMAC4_2, GMC1 EMAC4_3, RGMII Bridge 1 */ + rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(2); + rmiifer |= RGMII_FER_RGMII << RGMII_FER_V(3); + rmiifer1 |= RGMII_FER_RGMII << RGMII_FER_V(2); + rmiifer1 |= RGMII_FER_RGMII << RGMII_FER_V(3); + bis->bi_phymode[0] = BI_PHYMODE_RGMII; + bis->bi_phymode[1] = BI_PHYMODE_RGMII; + bis->bi_phymode[2] = BI_PHYMODE_RGMII; + bis->bi_phymode[3] = BI_PHYMODE_RGMII; + break; + default: + break; + } + + /* Set EMAC for MDIO */ + mfsdr(SDR0_ETH_CFG, eth_cfg); + eth_cfg |= SDR0_ETH_CFG_MDIO_SEL_EMAC0; + mtsdr(SDR0_ETH_CFG, eth_cfg); + + out_be32((void *)RGMII_FER, rmiifer); +#if defined(CONFIG_460GT) + out_be32((void *)RGMII_FER + RGMII1_BASE_OFFSET, rmiifer1); +#endif + + /* bypass the TAHOE0/TAHOE1 cores for U-Boot */ + mfsdr(SDR0_ETH_CFG, eth_cfg); + eth_cfg |= (SDR0_ETH_CFG_TAHOE0_BYPASS | SDR0_ETH_CFG_TAHOE1_BYPASS); + mtsdr(SDR0_ETH_CFG, eth_cfg); + + return 0; +} +#endif /* CONFIG_460EX || CONFIG_460GT */ + static inline void *malloc_aligned(u32 size, u32 align) { return (void *)(((u32)malloc(size + align) + align - 1) & @@ -472,19 +688,16 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) #if defined(CONFIG_440GX) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) sys_info_t sysinfo; #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) int ethgroup = -1; #endif #endif -#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ - defined(CONFIG_405EX) - unsigned long mfr; -#endif u32 bd_cached; u32 bd_uncached = 0; #ifdef CONFIG_4xx_DCACHE @@ -503,6 +716,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) #if defined(CONFIG_440GX) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) /* Need to get the OPB frequency so we can access the PHY */ get_sys_info (&sysinfo); @@ -556,21 +770,12 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) out_be32((void *)ZMII_FER, 0); udelay (100); -#if defined(CONFIG_440EP) || defined(CONFIG_440GR) +#if defined(CONFIG_440GP) || defined(CONFIG_440EP) || defined(CONFIG_440GR) out_be32((void *)ZMII_FER, (ZMII_FER_RMII | ZMII_FER_MDI) << ZMII_FER_V (devnum)); -#elif defined(CONFIG_440GX) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#elif defined(CONFIG_440GX) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis); -#elif defined(CONFIG_440GP) - /* set RMII mode */ - out_be32((void *)ZMII_FER, ZMII_RMII | ZMII_MDI0); -#else - if ((devnum == 0) || (devnum == 1)) { - out_be32((void *)ZMII_FER, (ZMII_FER_SMII | ZMII_FER_MDI) << ZMII_FER_V (devnum)); - } else { /* ((devnum == 2) || (devnum == 3)) */ - out_be32((void *)ZMII_FER, ZMII_FER_MDI << ZMII_FER_V (devnum)); - out_be32((void *)RGMII_FER, ((RGMII_FER_RGMII << RGMII_FER_V (2)) | - (RGMII_FER_RGMII << RGMII_FER_V (3)))); - } #endif out_be32((void *)ZMII_SSR, ZMII_SSR_SP << ZMII_SSR_V(devnum)); @@ -579,20 +784,17 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) ethgroup = ppc_4xx_eth_setup_bridge(devnum, bis); #endif - __asm__ volatile ("eieio"); + sync(); - /* reset emac so we have access to the phy */ -#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_405EX) /* provide clocks for EMAC internal loopback */ - mfsdr (sdr_mfr, mfr); - mfr |= SDR0_MFR_ETH_CLK_SEL_V(devnum); - mtsdr(sdr_mfr, mfr); -#endif + emac_loopback_enable(hw_p); + /* EMAC RESET */ out_be32((void *)EMAC_M0 + hw_p->hw_addr, EMAC_M0_SRST); + /* remove clocks for EMAC internal loopback */ + emac_loopback_disable(hw_p); + failsafe = 1000; while ((in_be32((void *)EMAC_M0 + hw_p->hw_addr) & (EMAC_M0_SRST)) && failsafe) { udelay (1000); @@ -601,18 +803,10 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) if (failsafe <= 0) printf("\nProblem resetting EMAC!\n"); -#if defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_405EX) - /* remove clocks for EMAC internal loopback */ - mfsdr (sdr_mfr, mfr); - mfr &= ~SDR0_MFR_ETH_CLK_SEL_V(devnum); - mtsdr(sdr_mfr, mfr); -#endif - #if defined(CONFIG_440GX) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) /* Whack the M1 register */ mode_reg = 0x0; @@ -674,6 +868,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) #if defined(CONFIG_440GX) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) #if defined(CONFIG_CIS8201_PHY) @@ -772,8 +967,10 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) hw_p->devnum); } -#if defined(CONFIG_440) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \ - !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) +#if defined(CONFIG_440) && \ + !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \ + !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \ + !defined(CONFIG_460EX) && !defined(CONFIG_460GT) #if defined(CONFIG_440EP) || defined(CONFIG_440GR) mfsdr(sdr_mfr, reg); if (speed == 100) { @@ -807,6 +1004,7 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) #endif /* defined(CONFIG_440) && !defined(CONFIG_440SP) */ #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) if (speed == 1000) reg = (RGMII_SSR_SP_1000MBPS << RGMII_SSR_V (devnum)); @@ -819,12 +1017,17 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) return -1; } out_be32((void *)RGMII_SSR, reg); +#if defined(CONFIG_460GT) + if ((devnum == 2) || (devnum == 3)) + out_be32((void *)RGMII_SSR + RGMII1_BASE_OFFSET, reg); +#endif #endif /* set the Mal configuration reg */ #if defined(CONFIG_440GX) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) mtdcr (malmcr, MAL_CR_PLBB | MAL_CR_OPBBL | MAL_CR_LEA | MAL_CR_PLBLT_DEFAULT | MAL_CR_EOPIE | 0x00330000); @@ -926,9 +1129,16 @@ static int ppc_4xx_eth_init (struct eth_device *dev, bd_t * bis) mtdcr (maltxbattr, 0x0); mtdcr (malrxbattr, 0x0); #endif + +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) + mtdcr (malrxctp8r, hw_p->rx); + /* set RX buffer size */ + mtdcr (malrcbs8, ENET_MAX_MTU_ALIGNED / 16); +#else mtdcr (malrxctp1r, hw_p->rx_phys); /* set RX buffer size */ mtdcr (malrcbs1, ENET_MAX_MTU_ALIGNED / 16); +#endif break; #if defined (CONFIG_440GX) case 2: @@ -1087,7 +1297,7 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, hw_p->tx[hw_p->tx_slot].data_len = (short) len; hw_p->tx[hw_p->tx_slot].ctrl |= MAL_TX_CTRL_READY; - __asm__ volatile ("eieio"); + sync(); out_be32((void *)EMAC_TXM0 + hw_p->hw_addr, in_be32((void *)EMAC_TXM0 + hw_p->hw_addr) | EMAC_TXM0_GNP0); @@ -1127,15 +1337,31 @@ static int ppc_4xx_eth_send (struct eth_device *dev, volatile void *ptr, */ #define UIC0MSR uic1msr #define UIC0SR uic1sr +#define UIC1MSR uic1msr +#define UIC1SR uic1sr +#elif defined(CONFIG_460EX) || defined(CONFIG_460GT) +/* + * Hack: On 460EX/GT all enet irq sources are located on UIC2 + * Needs some cleanup. --ag + */ +#define UIC0MSR uic2msr +#define UIC0SR uic2sr +#define UIC1MSR uic2msr +#define UIC1SR uic2sr #else #define UIC0MSR uic0msr #define UIC0SR uic0sr +#define UIC1MSR uic1msr +#define UIC1SR uic1sr #endif #if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ defined(CONFIG_405EX) #define UICMSR_ETHX uic0msr #define UICSR_ETHX uic0sr +#elif defined(CONFIG_460EX) || defined(CONFIG_460GT) +#define UICMSR_ETHX uic2msr +#define UICSR_ETHX uic2sr #else #define UICMSR_ETHX uic1msr #define UICSR_ETHX uic1sr @@ -1173,7 +1399,7 @@ int enetInt (struct eth_device *dev) serviced = 0; my_uic0msr = mfdcr (UIC0MSR); - my_uic1msr = mfdcr (uic1msr); + my_uic1msr = mfdcr (UIC1MSR); #if defined(CONFIG_440GX) my_uic2msr = mfdcr (uic2msr); #endif @@ -1219,7 +1445,7 @@ int enetInt (struct eth_device *dev) if ((hw_p->emac_ier & emac_isr) || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) { mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */ - mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ + mtdcr (UIC1SR, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ mtdcr (UICSR_ETHX, UIC_ETH0); /* Clear */ return (rc); /* we had errors so get out */ } @@ -1238,7 +1464,7 @@ int enetInt (struct eth_device *dev) if ((hw_p->emac_ier & emac_isr) || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) { mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */ - mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ + mtdcr (UIC1SR, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ mtdcr (UICSR_ETHX, UIC_ETH1); /* Clear */ return (rc); /* we had errors so get out */ } @@ -1256,7 +1482,7 @@ int enetInt (struct eth_device *dev) if ((hw_p->emac_ier & emac_isr) || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) { mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */ - mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ + mtdcr (UIC1SR, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ mtdcr (uic2sr, UIC_ETH2); return (rc); /* we had errors so get out */ } @@ -1274,7 +1500,7 @@ int enetInt (struct eth_device *dev) if ((hw_p->emac_ier & emac_isr) || (my_uic1msr & (UIC_MS | UIC_MTDE | UIC_MRDE))) { mtdcr (UIC0SR, UIC_MRE | UIC_MTE); /* Clear */ - mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ + mtdcr (UIC1SR, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ mtdcr (uic2sr, UIC_ETH3); return (rc); /* we had errors so get out */ } @@ -1292,7 +1518,9 @@ int enetInt (struct eth_device *dev) /* check for EOB on valid channels */ if (my_uic0msr & UIC_MRE) { mal_rx_eob = mfdcr (malrxeobisr); - if ((mal_rx_eob & (0x80000000 >> hw_p->devnum)) != 0) { /* call emac routine for channel x */ + if ((mal_rx_eob & + (0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL))) + != 0) { /* call emac routine for channel x */ /* clear EOB mtdcr(malrxeobisr, mal_rx_eob); */ enet_rcv (dev, emac_isr); @@ -1303,7 +1531,7 @@ int enetInt (struct eth_device *dev) } mtdcr (UIC0SR, UIC_MRE); /* Clear */ - mtdcr (uic1sr, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ + mtdcr (UIC1SR, UIC_MS | UIC_MTDE | UIC_MRDE); /* Clear */ switch (hw_p->devnum) { case 0: mtdcr (UICSR_ETHX, UIC_ETH0); @@ -1468,7 +1696,7 @@ static void enet_rcv (struct eth_device *dev, unsigned long malisr) int loop_count = 0; rx_eob_isr = mfdcr (malrxeobisr); - if ((0x80000000 >> hw_p->devnum) & rx_eob_isr) { + if ((0x80000000 >> (hw_p->devnum * MAL_RX_CHAN_MUL)) & rx_eob_isr) { /* clear EOB */ mtdcr (malrxeobisr, rx_eob_isr); @@ -1482,7 +1710,7 @@ static void enet_rcv (struct eth_device *dev, unsigned long malisr) loop_count++; handled++; - data_len = (unsigned long) hw_p->rx[i].data_len; /* Get len */ + data_len = (unsigned long) hw_p->rx[i].data_len & 0x0fff; /* Get len */ if (data_len) { if (data_len > ENET_MAX_MTU) /* Check len */ data_len = 0; @@ -1568,7 +1796,7 @@ static int ppc_4xx_eth_rx (struct eth_device *dev) msr = mfmsr (); mtmsr (msr & ~(MSR_EE)); - length = hw_p->rx[user_index].data_len; + length = hw_p->rx[user_index].data_len & 0x0fff; /* Pass the packet up to the protocol layers. */ /* NetReceive(NetRxPackets[rxIdx], length - 4); */ @@ -1718,6 +1946,7 @@ int ppc_4xx_eth_initialize (bd_t * bis) /* set the MAL IER ??? names may change with new spec ??? */ #if defined(CONFIG_440SPE) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) mal_ier = MAL_IER_PT | MAL_IER_PRE | MAL_IER_PWE | diff --git a/cpu/ppc4xx/4xx_pci.c b/cpu/ppc4xx/4xx_pci.c index a5b9690..941d4dc 100644 --- a/cpu/ppc4xx/4xx_pci.c +++ b/cpu/ppc4xx/4xx_pci.c @@ -531,7 +531,8 @@ int pci_440_init (struct pci_controller *hose) out16r( PCIX0_CLS, 0x00060000 ); /* Bridge, host bridge */ #endif -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) +#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) out32r( PCIX0_BRDGOPT1, 0x04000060 ); /* PLB Rq pri highest */ out32r( PCIX0_BRDGOPT2, in32(PCIX0_BRDGOPT2) | 0x83 ); /* Enable host config, clear Timeout, ensure int src1 */ #elif defined(PCIX0_BRDGOPT1) @@ -549,7 +550,8 @@ int pci_440_init (struct pci_controller *hose) out32r( PCIX0_POM0SA, 0 ); /* disable */ out32r( PCIX0_POM1SA, 0 ); /* disable */ out32r( PCIX0_POM2SA, 0 ); /* disable */ -#if defined(CONFIG_440SPE) +#if defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) out32r( PCIX0_POM0LAL, 0x10000000 ); out32r( PCIX0_POM0LAH, 0x0000000c ); #else @@ -586,7 +588,8 @@ void pci_init_board(void) int busno; busno = pci_440_init (&ppc440_hose); -#if defined(CONFIG_440SPE) +#if defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) pcie_setup_hoses(busno + 1); #endif } diff --git a/cpu/ppc4xx/4xx_pcie.c b/cpu/ppc4xx/4xx_pcie.c index 3af9862..f9a1988 100644 --- a/cpu/ppc4xx/4xx_pcie.c +++ b/cpu/ppc4xx/4xx_pcie.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2006 - 2007 + * (C) Copyright 2006 - 2008 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * Copyright (c) 2005 Cisco Systems. All rights reserved. @@ -31,7 +31,8 @@ #include <common.h> #include <pci.h> -#if (defined(CONFIG_440SPE) || defined(CONFIG_405EX)) && \ +#if (defined(CONFIG_440SPE) || defined(CONFIG_405EX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT)) && \ defined(CONFIG_PCI) #include <asm/4xx_pcie.h> @@ -306,9 +307,8 @@ static int check_error(void) int err = 0; /* SDR0_PEGPLLLCT1 reset */ - if (!(valPE0 = SDR_READ(PESDR0_PLLLCT1) & 0x01000000)) { + if (!(valPE0 = SDR_READ(PESDR0_PLLLCT1) & 0x01000000)) printf("PCIE: SDR0_PEGPLLLCT1 reset error 0x%x\n", valPE0); - } valPE0 = SDR_READ(PESDR0_RCSSET); valPE1 = SDR_READ(PESDR1_RCSSET); @@ -400,7 +400,108 @@ int ppc4xx_init_pcie(void) } return 0; } -#else +#endif + +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +static void ppc4xx_setup_utl(u32 port) +{ + volatile void *utl_base = NULL; + + /* + * Map UTL registers at 0x0801_n000 (4K 0xfff mask) PEGPLn_REGMSK + */ + switch (port) { + case 0: + mtdcr(DCRN_PEGPL_REGBAH(PCIE0), U64_TO_U32_HIGH(CFG_PCIE0_UTLBASE)); + mtdcr(DCRN_PEGPL_REGBAL(PCIE0), U64_TO_U32_LOW(CFG_PCIE0_UTLBASE)); + mtdcr(DCRN_PEGPL_REGMSK(PCIE0), 0x00007001); /* BAM 11100000=4KB */ + mtdcr(DCRN_PEGPL_SPECIAL(PCIE0), 0); + break; + + case 1: + mtdcr(DCRN_PEGPL_REGBAH(PCIE1), U64_TO_U32_HIGH(CFG_PCIE0_UTLBASE)); + mtdcr(DCRN_PEGPL_REGBAL(PCIE1), U64_TO_U32_LOW(CFG_PCIE0_UTLBASE) + + 0x1000); + mtdcr(DCRN_PEGPL_REGMSK(PCIE1), 0x00007001); /* BAM 11100000=4KB */ + mtdcr(DCRN_PEGPL_SPECIAL(PCIE1), 0); + break; + } + utl_base = (unsigned int *)(CFG_PCIE_BASE + 0x1000 * port); + + /* + * Set buffer allocations and then assert VRB and TXE. + */ + out_be32(utl_base + PEUTL_PBCTL, 0x0800000c); /* PLBME, CRRE */ + out_be32(utl_base + PEUTL_OUTTR, 0x08000000); + out_be32(utl_base + PEUTL_INTR, 0x02000000); + out_be32(utl_base + PEUTL_OPDBSZ, 0x04000000); /* OPD = 512 Bytes */ + out_be32(utl_base + PEUTL_PBBSZ, 0x00000000); /* Max 512 Bytes */ + out_be32(utl_base + PEUTL_IPHBSZ, 0x02000000); + out_be32(utl_base + PEUTL_IPDBSZ, 0x04000000); /* IPD = 512 Bytes */ + out_be32(utl_base + PEUTL_RCIRQEN, 0x00f00000); + out_be32(utl_base + PEUTL_PCTL, 0x80800066); /* VRB,TXE,timeout=default */ +} + +/* + * TODO: double check PCI express SDR based on the latest user manual + * Some registers specified here no longer exist.. has to be + * updated based on the final EAS spec. + */ +static int check_error(void) +{ + u32 valPE0, valPE1; + int err = 0; + + valPE0 = SDR_READ(SDRN_PESDR_RCSSET(0)); + valPE1 = SDR_READ(SDRN_PESDR_RCSSET(1)); + + /* SDR0_PExRCSSET rstgu */ + if (!(valPE0 & PESDRx_RCSSET_RSTGU) || !(valPE1 & PESDRx_RCSSET_RSTGU)) { + printf("PCIE: SDR0_PExRCSSET rstgu error\n"); + err = -1; + } + + /* SDR0_PExRCSSET rstdl */ + if (!(valPE0 & PESDRx_RCSSET_RSTDL) || !(valPE1 & PESDRx_RCSSET_RSTDL)) { + printf("PCIE: SDR0_PExRCSSET rstdl error\n"); + err = -1; + } + + /* SDR0_PExRCSSET rstpyn */ + if ((valPE0 & PESDRx_RCSSET_RSTPYN) || (valPE1 & PESDRx_RCSSET_RSTPYN)) { + printf("PCIE: SDR0_PExRCSSET rstpyn error\n"); + err = -1; + } + + /* SDR0_PExRCSSET hldplb */ + if ((valPE0 & PESDRx_RCSSET_HLDPLB) || (valPE1 & PESDRx_RCSSET_HLDPLB)) { + printf("PCIE: SDR0_PExRCSSET hldplb error\n"); + err = -1; + } + + /* SDR0_PExRCSSET rdy */ + if ((valPE0 & PESDRx_RCSSET_RDY) || (valPE1 & PESDRx_RCSSET_RDY)) { + printf("PCIE: SDR0_PExRCSSET rdy error\n"); + err = -1; + } + + return err; +} + +/* + * Initialize PCI Express core as described in User Manual + * TODO: double check PE SDR PLL Register with the updated user manual. + */ +int ppc4xx_init_pcie(void) +{ + if (check_error()) + return -1; + + return 0; +} +#endif /* CONFIG_460EX */ + +#if defined(CONFIG_405EX) static void ppc4xx_setup_utl(u32 port) { u32 utl_base; @@ -450,7 +551,7 @@ int ppc4xx_init_pcie(void) */ return 0; } -#endif +#endif /* CONFIG_405EX */ /* * Board-specific pcie initialization @@ -511,6 +612,82 @@ int __ppc4xx_init_pcie_port_hw(int port, int rootport) } #endif /* CONFIG_440SPE */ +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +int __ppc4xx_init_pcie_port_hw(int port, int rootport) +{ + u32 val = 1 << 24; + u32 utlset1; + + if (rootport) { + val = PTYPE_ROOT_PORT << 20; + utlset1 = 0x21222222; + } else { + val = PTYPE_LEGACY_ENDPOINT << 20; + utlset1 = 0x20222222; + } + + if (port == 0) { + val |= LNKW_X1 << 12; + } else { + val |= LNKW_X4 << 12; + utlset1 |= 0x00101101; + } + + SDR_WRITE(SDRN_PESDR_DLPSET(port), val); + SDR_WRITE(SDRN_PESDR_UTLSET1(port), utlset1); + SDR_WRITE(SDRN_PESDR_UTLSET2(port), 0x01210000); + + switch (port) { + case 0: + SDR_WRITE(PESDR0_L0CDRCTL, 0x00003230); + SDR_WRITE(PESDR0_L0DRV, 0x00000136); + SDR_WRITE(PESDR0_L0CLK, 0x00000006); + + SDR_WRITE(PESDR0_PHY_CTL_RST,0x10000000); + break; + + case 1: + SDR_WRITE(PESDR1_L0CDRCTL, 0x00003230); + SDR_WRITE(PESDR1_L1CDRCTL, 0x00003230); + SDR_WRITE(PESDR1_L2CDRCTL, 0x00003230); + SDR_WRITE(PESDR1_L3CDRCTL, 0x00003230); + SDR_WRITE(PESDR1_L0DRV, 0x00000136); + SDR_WRITE(PESDR1_L1DRV, 0x00000136); + SDR_WRITE(PESDR1_L2DRV, 0x00000136); + SDR_WRITE(PESDR1_L3DRV, 0x00000136); + SDR_WRITE(PESDR1_L0CLK, 0x00000006); + SDR_WRITE(PESDR1_L1CLK, 0x00000006); + SDR_WRITE(PESDR1_L2CLK, 0x00000006); + SDR_WRITE(PESDR1_L3CLK, 0x00000006); + + SDR_WRITE(PESDR1_PHY_CTL_RST,0x10000000); + break; + } + + SDR_WRITE(SDRN_PESDR_RCSSET(port), SDR_READ(SDRN_PESDR_RCSSET(port)) | + (PESDRx_RCSSET_RSTGU | PESDRx_RCSSET_RSTPYN)); + + /* Poll for PHY reset */ + switch (port) { + case 0: + while (!(SDR_READ(PESDR0_RSTSTA) & 0x1)) + udelay(10); + break; + case 1: + while (!(SDR_READ(PESDR1_RSTSTA) & 0x1)) + udelay(10); + break; + } + + SDR_WRITE(SDRN_PESDR_RCSSET(port), + (SDR_READ(SDRN_PESDR_RCSSET(port)) & + ~(PESDRx_RCSSET_RSTGU | PESDRx_RCSSET_RSTDL)) | + PESDRx_RCSSET_RSTPYN); + + return 0; +} +#endif /* CONFIG_440SPE */ + #if defined(CONFIG_405EX) int __ppc4xx_init_pcie_port_hw(int port, int rootport) { @@ -564,12 +741,12 @@ __attribute__((weak, alias("__ppc4xx_init_pcie_port_hw"))); * range (hangs the core upon config transaction attempts when set * otherwise) while revA uses c_nnnn_nnnn. * - * For revA: + * For 440SPe revA: * PCIE0: 0xc_4000_0000 * PCIE1: 0xc_8000_0000 * PCIE2: 0xc_c000_0000 * - * For revB: + * For 440SPe revB: * PCIE0: 0xd_0000_0000 * PCIE1: 0xd_2000_0000 * PCIE2: 0xd_4000_0000 @@ -577,6 +754,10 @@ __attribute__((weak, alias("__ppc4xx_init_pcie_port_hw"))); * For 405EX: * PCIE0: 0xa000_0000 * PCIE1: 0xc000_0000 + * + * For 460EX/GT: + * PCIE0: 0xd_0000_0000 + * PCIE1: 0xd_2000_0000 */ static inline u64 ppc4xx_get_cfgaddr(int port) { @@ -609,6 +790,12 @@ static inline u64 ppc4xx_get_cfgaddr(int port) } } #endif +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) + if (port == 0) + return 0x0000000d00000000ULL; + else + return 0x0000000d20000000ULL; +#endif } /* diff --git a/cpu/ppc4xx/4xx_uart.c b/cpu/ppc4xx/4xx_uart.c index 3d1124e..ffbc222 100644 --- a/cpu/ppc4xx/4xx_uart.c +++ b/cpu/ppc4xx/4xx_uart.c @@ -64,16 +64,22 @@ DECLARE_GLOBAL_DATA_PTR; #if defined(CONFIG_440) #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) -#define UART0_BASE CFG_PERIPHERAL_BASE + 0x00000300 -#define UART1_BASE CFG_PERIPHERAL_BASE + 0x00000400 + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) +#define UART0_BASE (CFG_PERIPHERAL_BASE + 0x00000300) +#define UART1_BASE (CFG_PERIPHERAL_BASE + 0x00000400) #else -#define UART0_BASE CFG_PERIPHERAL_BASE + 0x00000200 -#define UART1_BASE CFG_PERIPHERAL_BASE + 0x00000300 +#define UART0_BASE (CFG_PERIPHERAL_BASE + 0x00000200) +#define UART1_BASE (CFG_PERIPHERAL_BASE + 0x00000300) #endif #if defined(CONFIG_440SP) || defined(CONFIG_440SPE) -#define UART2_BASE CFG_PERIPHERAL_BASE + 0x00000600 +#define UART2_BASE (CFG_PERIPHERAL_BASE + 0x00000600) +#endif + +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#define UART2_BASE (CFG_PERIPHERAL_BASE + 0x00000500) +#define UART3_BASE (CFG_PERIPHERAL_BASE + 0x00000600) #endif #if defined(CONFIG_440GP) @@ -94,11 +100,13 @@ DECLARE_GLOBAL_DATA_PTR; #define UART1_SDR sdr_uart1 #if defined(CONFIG_440EP) || defined(CONFIG_440EPx) || \ defined(CONFIG_440GR) || defined(CONFIG_440GRx) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPe) + defined(CONFIG_440SP) || defined(CONFIG_440SPe) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) #define UART2_SDR sdr_uart2 #endif #if defined(CONFIG_440EP) || defined(CONFIG_440EPx) || \ - defined(CONFIG_440GR) || defined(CONFIG_440GRx) + defined(CONFIG_440GR) || defined(CONFIG_440GRx) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) #define UART3_SDR sdr_uart3 #endif #define MFREG(a, d) mfsdr(a, d) diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c index 9e9c685..54cc256 100644 --- a/cpu/ppc4xx/cpu.c +++ b/cpu/ppc4xx/cpu.c @@ -54,7 +54,8 @@ static int pci_async_enabled(void) #endif #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) unsigned long val; mfsdr(sdr_sdstp1, val); @@ -86,7 +87,8 @@ static int pci_arbiter_enabled(void) return (val & 0x80000000); #endif #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) unsigned long val; mfsdr(sdr_pci0, val); @@ -167,6 +169,21 @@ static char *bootstrap_str[] = { static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' }; #endif +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +#define SDR0_PINSTP_SHIFT 29 +static char *bootstrap_str[] = { + "EBC (8 bits)", + "EBC (16 bits)", + "PCI", + "PCI", + "EBC (16 bits)", + "NAND (8 bits)", + "I2C (Addr 0x54)", /* A8 */ + "I2C (Addr 0x52)", /* A4 */ +}; +static char bootstrap_char[] = { 'A', 'B', 'C', 'D', 'E', 'G', 'F', 'H' }; +#endif + #if defined(CONFIG_405EZ) #define SDR0_PINSTP_SHIFT 28 static char *bootstrap_str[] = { @@ -257,8 +274,12 @@ int checkcpu (void) puts("05"); #endif #if defined(CONFIG_440) +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) + puts("60"); +#else puts("40"); #endif +#endif switch (pvr) { case PVR_405GP_RB: @@ -448,6 +469,26 @@ int checkcpu (void) strcpy(addstr, "No RAID 6 support"); break; + case PVR_460EX_RA: + puts("EX Rev. A"); + strcpy(addstr, "No Security/Kasumi support"); + break; + + case PVR_460EX_SE_RA: + puts("EX Rev. A"); + strcpy(addstr, "Security/Kasumi support"); + break; + + case PVR_460GT_RA: + puts("GT Rev. A"); + strcpy(addstr, "No Security/Kasumi support"); + break; + + case PVR_460GT_SE_RA: + puts("GT Rev. A"); + strcpy(addstr, "Security/Kasumi support"); + break; + default: printf (" UNKNOWN (PVR=%08x)", pvr); break; diff --git a/cpu/ppc4xx/cpu_init.c b/cpu/ppc4xx/cpu_init.c index 2e0dd6f..5d15e2f 100644 --- a/cpu/ppc4xx/cpu_init.c +++ b/cpu/ppc4xx/cpu_init.c @@ -302,5 +302,6 @@ int cpu_init_r (void) } #endif /* defined(CONFIG_405GP) */ #endif /* defined(CONFIG_405GP) || defined(CONFIG_405EP) */ + return (0); } diff --git a/cpu/ppc4xx/interrupts.c b/cpu/ppc4xx/interrupts.c index 2f3dc32..698bcb5 100644 --- a/cpu/ppc4xx/interrupts.c +++ b/cpu/ppc4xx/interrupts.c @@ -38,7 +38,22 @@ DECLARE_GLOBAL_DATA_PTR; -/****************************************************************************/ +/* + * Define the number of UIC's + */ +#if defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) +#define UIC_MAX 4 +#elif defined(CONFIG_440GX) || \ + defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_405EX) +#define UIC_MAX 3 +#elif defined(CONFIG_440GP) || defined(CONFIG_440SP) || \ + defined(CONFIG_440EP) || defined(CONFIG_440GR) +#define UIC_MAX 2 +#else +#define UIC_MAX 1 +#endif /* * CPM interrupt vector functions. @@ -49,28 +64,15 @@ struct irq_action { int count; }; -static struct irq_action irq_vecs[32]; -void uic0_interrupt( void * parms); /* UIC0 handler */ +static struct irq_action irq_vecs[UIC_MAX * 32]; -#if defined(CONFIG_440) || defined(CONFIG_405EX) -static struct irq_action irq_vecs1[32]; /* For UIC1 */ +u32 get_dcr(u16); +void set_dcr(u16, u32); -void uic1_interrupt( void * parms); /* UIC1 handler */ - -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) -static struct irq_action irq_vecs2[32]; /* For UIC2 */ -void uic2_interrupt( void * parms); /* UIC2 handler */ -#endif /* CONFIG_440GX CONFIG_440SPE */ - -#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) -static struct irq_action irq_vecs3[32]; /* For UIC3 */ -void uic3_interrupt( void * parms); /* UIC3 handler */ -#endif /* CONFIG_440SPE */ - -#endif /* CONFIG_440 */ +#if (UIC_MAX > 1) && !defined(CONFIG_440GX) +static void uic_cascade_interrupt(void *para); +#endif -/****************************************************************************/ #if defined(CONFIG_440) /* SPRN changed in 440 */ @@ -99,8 +101,6 @@ static __inline__ void set_evpr(unsigned long val) } #endif /* defined(CONFIG_440 */ -/****************************************************************************/ - int interrupt_init_cpu (unsigned *decrementer_count) { int vec; @@ -112,26 +112,10 @@ int interrupt_init_cpu (unsigned *decrementer_count) /* * Mark all irqs as free */ - for (vec=0; vec<32; vec++) { + for (vec = 0; vec < (UIC_MAX * 32); vec++) { irq_vecs[vec].handler = NULL; irq_vecs[vec].arg = NULL; irq_vecs[vec].count = 0; -#if defined(CONFIG_440) || defined(CONFIG_405EX) - irq_vecs1[vec].handler = NULL; - irq_vecs1[vec].arg = NULL; - irq_vecs1[vec].count = 0; -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) - irq_vecs2[vec].handler = NULL; - irq_vecs2[vec].arg = NULL; - irq_vecs2[vec].count = 0; -#endif /* CONFIG_440GX */ -#if defined(CONFIG_440SPE) || defined(CONFIG_440EPX) || defined(CONFIG_440GRX) - irq_vecs3[vec].handler = NULL; - irq_vecs3[vec].arg = NULL; - irq_vecs3[vec].count = 0; -#endif /* CONFIG_440SPE */ -#endif } #ifdef CONFIG_4xx @@ -172,15 +156,21 @@ int interrupt_init_cpu (unsigned *decrementer_count) */ set_evpr(0x00000000); -#if defined(CONFIG_440) || defined(CONFIG_405EX) #if !defined(CONFIG_440GX) +#if (UIC_MAX > 1) /* Install the UIC1 handlers */ - irq_install_handler(VECNUM_UIC1NC, uic1_interrupt, 0); - irq_install_handler(VECNUM_UIC1C, uic1_interrupt, 0); + irq_install_handler(VECNUM_UIC1NC, uic_cascade_interrupt, 0); + irq_install_handler(VECNUM_UIC1C, uic_cascade_interrupt, 0); #endif +#if (UIC_MAX > 2) + irq_install_handler(VECNUM_UIC2NC, uic_cascade_interrupt, 0); + irq_install_handler(VECNUM_UIC2C, uic_cascade_interrupt, 0); #endif - -#if defined(CONFIG_440GX) +#if (UIC_MAX > 3) + irq_install_handler(VECNUM_UIC3NC, uic_cascade_interrupt, 0); + irq_install_handler(VECNUM_UIC3C, uic_cascade_interrupt, 0); +#endif +#else /* !defined(CONFIG_440GX) */ /* Take the GX out of compatibility mode * Travis Sawyer, 9 Mar 2004 * NOTE: 440gx user manual inconsistency here @@ -196,110 +186,24 @@ int interrupt_init_cpu (unsigned *decrementer_count) mtdcr(uicb0er, 0x54000000); /* None are critical */ mtdcr(uicb0cr, 0); -#endif +#endif /* !defined(CONFIG_440GX) */ return (0); } -/****************************************************************************/ - -/* - * Handle external interrupts - */ -#if defined(CONFIG_440GX) -void external_interrupt(struct pt_regs *regs) +/* Handler for UIC interrupt */ +static void uic_interrupt(u32 uic_base, int vec_base) { - ulong uic_msr; - - /* - * Read masked interrupt status register to determine interrupt source - */ - /* 440 GX uses base uic register */ - uic_msr = mfdcr(uicb0msr); - - if ( (UICB0_UIC0CI & uic_msr) || (UICB0_UIC0NCI & uic_msr) ) - uic0_interrupt(0); - - if ( (UICB0_UIC1CI & uic_msr) || (UICB0_UIC1NCI & uic_msr) ) - uic1_interrupt(0); - - if ( (UICB0_UIC2CI & uic_msr) || (UICB0_UIC2NCI & uic_msr) ) - uic2_interrupt(0); - - mtdcr(uicb0sr, uic_msr); - - return; - -} /* external_interrupt CONFIG_440GX */ - -#elif defined(CONFIG_440EPX) || defined(CONFIG_440GRX) -void external_interrupt(struct pt_regs *regs) -{ - ulong uic_msr; - - /* - * Read masked interrupt status register to determine interrupt source - */ - /* 440 SPe uses base uic register */ - uic_msr = mfdcr(uic0msr); - - if ( (UICB0_UIC1CI & uic_msr) || (UICB0_UIC1NCI & uic_msr) ) - uic1_interrupt(0); - - if ( (UICB0_UIC2CI & uic_msr) || (UICB0_UIC2NCI & uic_msr) ) - uic2_interrupt(0); - - if (uic_msr & ~(UICB0_ALL)) - uic0_interrupt(0); - - mtdcr(uic0sr, uic_msr); - - return; - -} /* external_interrupt CONFIG_440EPX & CONFIG_440GRX */ - -#elif defined(CONFIG_440SPE) -void external_interrupt(struct pt_regs *regs) -{ - ulong uic_msr; - - /* - * Read masked interrupt status register to determine interrupt source - */ - /* 440 SPe uses base uic register */ - uic_msr = mfdcr(uic0msr); - - if ( (UICB0_UIC1CI & uic_msr) || (UICB0_UIC1NCI & uic_msr) ) - uic1_interrupt(0); - - if ( (UICB0_UIC2CI & uic_msr) || (UICB0_UIC2NCI & uic_msr) ) - uic2_interrupt(0); - - if ( (UICB0_UIC3CI & uic_msr) || (UICB0_UIC3NCI & uic_msr) ) - uic3_interrupt(0); - - if (uic_msr & ~(UICB0_ALL)) - uic0_interrupt(0); - - mtdcr(uic0sr, uic_msr); - - return; -} /* external_interrupt CONFIG_440SPE */ - -#else - -void external_interrupt(struct pt_regs *regs) -{ - ulong uic_msr; - ulong msr_shift; + u32 uic_msr; + u32 msr_shift; int vec; /* * Read masked interrupt status register to determine interrupt source */ - uic_msr = mfdcr(uicmsr); + uic_msr = get_dcr(uic_base + UIC_MSR); msr_shift = uic_msr; - vec = 0; + vec = vec_base; while (msr_shift != 0) { if (msr_shift & 0x80000000) { @@ -312,14 +216,17 @@ void external_interrupt(struct pt_regs *regs) /* call isr */ (*irq_vecs[vec].handler)(irq_vecs[vec].arg); } else { - mtdcr(uicer, mfdcr(uicer) & ~(0x80000000 >> vec)); - printf ("Masking bogus interrupt vector 0x%x\n", vec); + set_dcr(uic_base + UIC_ER, + get_dcr(uic_base + UIC_ER) & + ~(0x80000000 >> vec)); + printf("Masking bogus interrupt vector %d" + " (UIC_BASE=0x%x)\n", vec, uic_base); } /* * After servicing the interrupt, we have to remove the status indicator. */ - mtdcr(uicsr, (0x80000000 >> vec)); + set_dcr(uic_base + UIC_SR, (0x80000000 >> vec)); } /* @@ -329,324 +236,150 @@ void external_interrupt(struct pt_regs *regs) vec++; } } -#endif -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) -/* Handler for UIC0 interrupt */ -void uic0_interrupt( void * parms) +#if (UIC_MAX > 1) && !defined(CONFIG_440GX) +static void uic_cascade_interrupt(void *para) { - ulong uic_msr; - ulong msr_shift; - int vec; - - /* - * Read masked interrupt status register to determine interrupt source - */ - uic_msr = mfdcr(uicmsr); - msr_shift = uic_msr; - vec = 0; - - while (msr_shift != 0) { - if (msr_shift & 0x80000000) { - /* - * Increment irq counter (for debug purpose only) - */ - irq_vecs[vec].count++; - - if (irq_vecs[vec].handler != NULL) { - /* call isr */ - (*irq_vecs[vec].handler)(irq_vecs[vec].arg); - } else { - mtdcr(uicer, mfdcr(uicer) & ~(0x80000000 >> vec)); - printf ("Masking bogus interrupt vector (uic0) 0x%x\n", vec); - } - - /* - * After servicing the interrupt, we have to remove the status indicator. - */ - mtdcr(uicsr, (0x80000000 >> vec)); - } - - /* - * Shift msr to next position and increment vector - */ - msr_shift <<= 1; - vec++; - } + external_interrupt(para); } +#endif -#endif /* CONFIG_440GX */ - -#if defined(CONFIG_440) || defined(CONFIG_405EX) -/* Handler for UIC1 interrupt */ -void uic1_interrupt( void * parms) -{ - ulong uic1_msr; - ulong msr_shift; - int vec; - - /* - * Read masked interrupt status register to determine interrupt source - */ - uic1_msr = mfdcr(uic1msr); - msr_shift = uic1_msr; - vec = 0; - - while (msr_shift != 0) { - if (msr_shift & 0x80000000) { - /* - * Increment irq counter (for debug purpose only) - */ - irq_vecs1[vec].count++; - - if (irq_vecs1[vec].handler != NULL) { - /* call isr */ - (*irq_vecs1[vec].handler)(irq_vecs1[vec].arg); - } else { - mtdcr(uic1er, mfdcr(uic1er) & ~(0x80000000 >> vec)); - printf ("Masking bogus interrupt vector (uic1) 0x%x\n", vec); - } - - /* - * After servicing the interrupt, we have to remove the status indicator. - */ - mtdcr(uic1sr, (0x80000000 >> vec)); - } - - /* - * Shift msr to next position and increment vector - */ - msr_shift <<= 1; - vec++; - } -} -#endif /* defined(CONFIG_440) */ +#if defined(CONFIG_440) +#if defined(CONFIG_440GX) +/* 440GX uses base uic register */ +#define UIC_BMSR uicb0msr +#define UIC_BSR uicb0sr +#else +#define UIC_BMSR uic0msr +#define UIC_BSR uic0sr +#endif +#else /* CONFIG_440 */ +#define UIC_BMSR uicmsr +#define UIC_BSR uicsr +#endif /* CONFIG_440 */ -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) -/* Handler for UIC2 interrupt */ -void uic2_interrupt( void * parms) +/* + * Handle external interrupts + */ +void external_interrupt(struct pt_regs *regs) { - ulong uic2_msr; - ulong msr_shift; - int vec; + u32 uic_msr; /* * Read masked interrupt status register to determine interrupt source */ - uic2_msr = mfdcr(uic2msr); - msr_shift = uic2_msr; - vec = 0; + uic_msr = mfdcr(UIC_BMSR); - while (msr_shift != 0) { - if (msr_shift & 0x80000000) { - /* - * Increment irq counter (for debug purpose only) - */ - irq_vecs2[vec].count++; - - if (irq_vecs2[vec].handler != NULL) { - /* call isr */ - (*irq_vecs2[vec].handler)(irq_vecs2[vec].arg); - } else { - mtdcr(uic2er, mfdcr(uic2er) & ~(0x80000000 >> vec)); - printf ("Masking bogus interrupt vector (uic2) 0x%x\n", vec); - } - - /* - * After servicing the interrupt, we have to remove the status indicator. - */ - mtdcr(uic2sr, (0x80000000 >> vec)); - } - - /* - * Shift msr to next position and increment vector - */ - msr_shift <<= 1; - vec++; - } -} -#endif /* defined(CONFIG_440GX) */ - -#if defined(CONFIG_440SPE) -/* Handler for UIC3 interrupt */ -void uic3_interrupt( void * parms) -{ - ulong uic3_msr; - ulong msr_shift; - int vec; +#if (UIC_MAX > 1) + if ((UICB0_UIC1CI & uic_msr) || (UICB0_UIC1NCI & uic_msr)) + uic_interrupt(UIC1_DCR_BASE, 32); +#endif - /* - * Read masked interrupt status register to determine interrupt source - */ - uic3_msr = mfdcr(uic3msr); - msr_shift = uic3_msr; - vec = 0; +#if (UIC_MAX > 2) + if ((UICB0_UIC2CI & uic_msr) || (UICB0_UIC2NCI & uic_msr)) + uic_interrupt(UIC2_DCR_BASE, 64); +#endif - while (msr_shift != 0) { - if (msr_shift & 0x80000000) { - /* - * Increment irq counter (for debug purpose only) - */ - irq_vecs3[vec].count++; +#if (UIC_MAX > 3) + if ((UICB0_UIC3CI & uic_msr) || (UICB0_UIC3NCI & uic_msr)) + uic_interrupt(UIC3_DCR_BASE, 96); +#endif - if (irq_vecs3[vec].handler != NULL) { - /* call isr */ - (*irq_vecs3[vec].handler)(irq_vecs3[vec].arg); - } else { - mtdcr(uic3er, mfdcr(uic3er) & ~(0x80000000 >> vec)); - printf ("Masking bogus interrupt vector (uic3) 0x%x\n", vec); - } +#if defined(CONFIG_440) +#if !defined(CONFIG_440GX) + if (uic_msr & ~(UICB0_ALL)) + uic_interrupt(UIC0_DCR_BASE, 0); +#else + if ((UICB0_UIC0CI & uic_msr) || (UICB0_UIC0NCI & uic_msr)) + uic_interrupt(UIC0_DCR_BASE, 0); +#endif +#else /* CONFIG_440 */ + uic_interrupt(UIC0_DCR_BASE, 0); +#endif /* CONFIG_440 */ - /* - * After servicing the interrupt, we have to remove the status indicator. - */ - mtdcr(uic3sr, (0x80000000 >> vec)); - } + mtdcr(UIC_BSR, uic_msr); - /* - * Shift msr to next position and increment vector - */ - msr_shift <<= 1; - vec++; - } + return; } -#endif /* defined(CONFIG_440SPE) */ - -/****************************************************************************/ /* * Install and free a interrupt handler. */ - -void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg) +void irq_install_handler(int vec, interrupt_handler_t * handler, void *arg) { - struct irq_action *irqa = irq_vecs; - int i = vec; - -#if defined(CONFIG_440) || defined(CONFIG_405EX) -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) - if ((vec > 31) && (vec < 64)) { - i = vec - 32; - irqa = irq_vecs1; - } else if (vec > 63) { - i = vec - 64; - irqa = irq_vecs2; - } -#else /* CONFIG_440GX */ - if (vec > 31) { - i = vec - 32; - irqa = irq_vecs1; - } -#endif /* CONFIG_440GX */ -#endif /* CONFIG_440 */ + int i; /* - * print warning when replacing with a different irq vector + * Print warning when replacing with a different irq vector */ - if ((irqa[i].handler != NULL) && (irqa[i].handler != handler)) { - printf ("Interrupt vector %d: handler 0x%x replacing 0x%x\n", - vec, (uint) handler, (uint) irqa[i].handler); + if ((irq_vecs[vec].handler != NULL) && (irq_vecs[vec].handler != handler)) { + printf("Interrupt vector %d: handler 0x%x replacing 0x%x\n", + vec, (uint) handler, (uint) irq_vecs[vec].handler); } - irqa[i].handler = handler; - irqa[i].arg = arg; - -#if defined(CONFIG_440) || defined(CONFIG_405EX) -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) - if ((vec > 31) && (vec < 64)) - mtdcr (uic1er, mfdcr (uic1er) | (0x80000000 >> i)); - else if (vec > 63) - mtdcr (uic2er, mfdcr (uic2er) | (0x80000000 >> i)); - else -#endif /* CONFIG_440GX */ - if (vec > 31) - mtdcr (uic1er, mfdcr (uic1er) | (0x80000000 >> i)); - else + irq_vecs[vec].handler = handler; + irq_vecs[vec].arg = arg; + + i = vec & 0x1f; + if ((vec >= 0) && (vec < 32)) + mtdcr(uicer, mfdcr(uicer) | (0x80000000 >> i)); +#if (UIC_MAX > 1) + else if ((vec >= 32) && (vec < 64)) + mtdcr(uic1er, mfdcr(uic1er) | (0x80000000 >> i)); +#endif +#if (UIC_MAX > 2) + else if ((vec >= 64) && (vec < 96)) + mtdcr(uic2er, mfdcr(uic2er) | (0x80000000 >> i)); #endif - mtdcr (uicer, mfdcr (uicer) | (0x80000000 >> i)); -#if 0 - printf ("Install interrupt for vector %d ==> %p\n", vec, handler); +#if (UIC_MAX > 3) + else if (vec >= 96) + mtdcr(uic3er, mfdcr(uic3er) | (0x80000000 >> i)); #endif + + debug("Install interrupt for vector %d ==> %p\n", vec, handler); } void irq_free_handler (int vec) { - struct irq_action *irqa = irq_vecs; - int i = vec; - -#if defined(CONFIG_440) || defined(CONFIG_405EX) -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) - if ((vec > 31) && (vec < 64)) { - irqa = irq_vecs1; - i = vec - 32; - } else if (vec > 63) { - irqa = irq_vecs2; - i = vec - 64; - } -#endif /* CONFIG_440GX */ - if (vec > 31) { - irqa = irq_vecs1; - i = vec - 32; - } -#endif + int i; -#if 0 - printf ("Free interrupt for vector %d ==> %p\n", - vec, irq_vecs[vec].handler); -#endif + debug("Free interrupt for vector %d ==> %p\n", + vec, irq_vecs[vec].handler); -#if defined(CONFIG_440) || defined(CONFIG_405EX) -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) - if ((vec > 31) && (vec < 64)) - mtdcr (uic1er, mfdcr (uic1er) & ~(0x80000000 >> i)); - else if (vec > 63) - mtdcr (uic2er, mfdcr (uic2er) & ~(0x80000000 >> i)); - else -#endif /* CONFIG_440GX */ - if (vec > 31) - mtdcr (uic1er, mfdcr (uic1er) & ~(0x80000000 >> i)); - else + i = vec & 0x1f; + if ((vec >= 0) && (vec < 32)) + mtdcr(uicer, mfdcr(uicer) & ~(0x80000000 >> i)); +#if (UIC_MAX > 1) + else if ((vec >= 32) && (vec < 64)) + mtdcr(uic1er, mfdcr(uic1er) & ~(0x80000000 >> i)); +#endif +#if (UIC_MAX > 2) + else if ((vec >= 64) && (vec < 96)) + mtdcr(uic2er, mfdcr(uic2er) & ~(0x80000000 >> i)); +#endif +#if (UIC_MAX > 3) + else if (vec >= 96) + mtdcr(uic3er, mfdcr(uic3er) & ~(0x80000000 >> i)); #endif - mtdcr (uicer, mfdcr (uicer) & ~(0x80000000 >> i)); - irqa[i].handler = NULL; - irqa[i].arg = NULL; + irq_vecs[vec].handler = NULL; + irq_vecs[vec].arg = NULL; } -/****************************************************************************/ - void timer_interrupt_cpu (struct pt_regs *regs) { /* nothing to do here */ return; } -/****************************************************************************/ - #if defined(CONFIG_CMD_IRQ) - -/******************************************************************************* - * - * irqinfo - print information about PCI devices - * - */ -int -do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +int do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { int vec; - printf ("\nInterrupt-Information:\n"); -#if defined(CONFIG_440) || defined(CONFIG_405EX) - printf ("\nUIC 0\n"); -#endif + printf ("Interrupt-Information:\n"); printf ("Nr Routine Arg Count\n"); - for (vec=0; vec<32; vec++) { + for (vec = 0; vec < (UIC_MAX * 32); vec++) { if (irq_vecs[vec].handler != NULL) { printf ("%02d %08lx %08lx %d\n", vec, @@ -656,46 +389,6 @@ do_irqinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) } } -#if defined(CONFIG_440) || defined(CONFIG_405EX) - printf ("\nUIC 1\n"); - printf ("Nr Routine Arg Count\n"); - - for (vec=0; vec<32; vec++) { - if (irq_vecs1[vec].handler != NULL) - printf ("%02d %08lx %08lx %d\n", - vec+31, (ulong)irq_vecs1[vec].handler, - (ulong)irq_vecs1[vec].arg, irq_vecs1[vec].count); - } - printf("\n"); -#endif - -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) - printf ("\nUIC 2\n"); - printf ("Nr Routine Arg Count\n"); - - for (vec=0; vec<32; vec++) { - if (irq_vecs2[vec].handler != NULL) - printf ("%02d %08lx %08lx %d\n", - vec+63, (ulong)irq_vecs2[vec].handler, - (ulong)irq_vecs2[vec].arg, irq_vecs2[vec].count); - } - printf("\n"); -#endif - -#if defined(CONFIG_440SPE) - printf ("\nUIC 3\n"); - printf ("Nr Routine Arg Count\n"); - - for (vec=0; vec<32; vec++) { - if (irq_vecs3[vec].handler != NULL) - printf ("%02d %08lx %08lx %d\n", - vec+63, (ulong)irq_vecs3[vec].handler, - (ulong)irq_vecs3[vec].arg, irq_vecs3[vec].count); - } - printf("\n"); -#endif - return 0; } #endif diff --git a/cpu/ppc4xx/miiphy.c b/cpu/ppc4xx/miiphy.c index 3978773..c882720 100644 --- a/cpu/ppc4xx/miiphy.c +++ b/cpu/ppc4xx/miiphy.c @@ -29,6 +29,11 @@ | +-----------------------------------------------------------------------------*/ +/* define DEBUG for debugging output (obviously ;-)) */ +#if 0 +#define DEBUG +#endif + #include <common.h> #include <asm/processor.h> #include <asm/io.h> @@ -38,7 +43,10 @@ #include <405_mal.h> #include <miiphy.h> -#undef ET_DEBUG +#if !defined(CONFIG_PHY_CLK_FREQ) +#define CONFIG_PHY_CLK_FREQ 0 +#endif + /***********************************************************/ /* Dump out to the screen PHY regs */ /***********************************************************/ @@ -164,9 +172,21 @@ int phy_setup_aneg (char *devname, unsigned char addr) /***********************************************************/ /* read a phy reg and return the value with a rc */ /***********************************************************/ +/* AMCC_TODO: + * Find out of the choice for the emac for MDIO is from the bridges, + * i.e. ZMII or RGMII as approporiate. If the bridges are not used + * to determine the emac for MDIO, then is the SDR0_ETH_CFG[MDIO_SEL] + * used? If so, then this routine below does not apply to the 460EX/GT. + * + * sr: Currently on 460EX only EMAC0 works with MDIO, so we always + * return EMAC0 offset here + */ unsigned int miiphy_getemac_offset (void) { -#if (defined(CONFIG_440) && !defined(CONFIG_440SP) && !defined(CONFIG_440SPE)) && defined(CONFIG_NET_MULTI) +#if (defined(CONFIG_440) && \ + !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \ + !defined(CONFIG_460EX) && !defined(CONFIG_460GT)) && \ + defined(CONFIG_NET_MULTI) unsigned long zmii; unsigned long eoffset; @@ -217,153 +237,97 @@ unsigned int miiphy_getemac_offset (void) #endif } -int emac4xx_miiphy_read (char *devname, unsigned char addr, unsigned char reg, - unsigned short *value) +static int emac_miiphy_wait(u32 emac_reg) { - unsigned long sta_reg; /* STA scratch area */ - unsigned long i; - unsigned long emac_reg; + u32 sta_reg; + int i; - emac_reg = miiphy_getemac_offset (); - /* see if it is ready for 1000 nsec */ + /* wait for completion */ i = 0; - - /* see if it is ready for sec */ - while ((in_be32((void *)EMAC_STACR + emac_reg) & EMAC_STACR_OC) == - EMAC_STACR_OC_MASK) { - udelay (7); - if (i > 5) { -#ifdef ET_DEBUG - sta_reg = in_be32((void *)EMAC_STACR + emac_reg); - printf ("read : EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ - printf ("read err 1\n"); -#endif + do { + sta_reg = in_be32((void *)EMAC_STACR + emac_reg); + if (i++ > 5) { + debug("%s [%d]: Timeout! EMAC_STACR=0x%0x\n", __func__, + __LINE__, sta_reg); return -1; } - i++; - } + udelay(10); + } while ((sta_reg & EMAC_STACR_OC) == EMAC_STACR_OC_MASK); + + return 0; +} + +static int emac_miiphy_command(u8 addr, u8 reg, int cmd, u16 value) +{ + u32 emac_reg; + u32 sta_reg; + + emac_reg = miiphy_getemac_offset(); + + /* wait for completion */ + if (emac_miiphy_wait(emac_reg) != 0) + return -1; + sta_reg = reg; /* reg address */ + /* set clock (50Mhz) and read flags */ #if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) || \ defined(CONFIG_405EX) #if defined(CONFIG_IBM_EMAC4_V4) /* EMAC4 V4 changed bit setting */ - sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | EMAC_STACR_READ; + sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | cmd; #else - sta_reg |= EMAC_STACR_READ; + sta_reg |= cmd; #endif #else - sta_reg = (sta_reg | EMAC_STACR_READ) & ~EMAC_STACR_CLK_100MHZ; + sta_reg = (sta_reg | cmd) & ~EMAC_STACR_CLK_100MHZ; #endif -#if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) && \ - !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \ - !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \ - !defined(CONFIG_405EX) + /* Some boards (mainly 405EP based) define the PHY clock freqency fixed */ sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ; -#endif - sta_reg = sta_reg | (addr << 5); /* Phy address */ + sta_reg = sta_reg | ((u32)addr << 5); /* Phy address */ sta_reg = sta_reg | EMAC_STACR_OC_MASK; /* new IBM emac v4 */ + if (cmd == EMAC_STACR_WRITE) + memcpy(&sta_reg, &value, 2); /* put in data */ + out_be32((void *)EMAC_STACR + emac_reg, sta_reg); -#ifdef ET_DEBUG - printf ("a2: write: EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ -#endif + debug("%s [%d]: sta_reg=%08x\n", __func__, __LINE__, sta_reg); - sta_reg = in_be32((void *)EMAC_STACR + emac_reg); -#ifdef ET_DEBUG - printf ("a21: read : EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ -#endif - i = 0; - while ((sta_reg & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) { - udelay (7); - if (i > 5) - return -1; + /* wait for completion */ + if (emac_miiphy_wait(emac_reg) != 0) + return -1; - i++; - sta_reg = in_be32((void *)EMAC_STACR + emac_reg); -#ifdef ET_DEBUG - printf ("a22: read : EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ -#endif - } + debug("%s [%d]: sta_reg=%08x\n", __func__, __LINE__, sta_reg); if ((sta_reg & EMAC_STACR_PHYE) != 0) return -1; - *value = *(short *)(&sta_reg); return 0; +} -} /* phy_read */ - -/***********************************************************/ -/* write a phy reg and return the value with a rc */ -/***********************************************************/ - -int emac4xx_miiphy_write (char *devname, unsigned char addr, unsigned char reg, - unsigned short value) +int emac4xx_miiphy_read (char *devname, unsigned char addr, unsigned char reg, + unsigned short *value) { - unsigned long sta_reg; /* STA scratch area */ - unsigned long i; + unsigned long sta_reg; unsigned long emac_reg; emac_reg = miiphy_getemac_offset (); - /* see if it is ready for 1000 nsec */ - i = 0; - - while ((in_be32((void *)EMAC_STACR + emac_reg) & EMAC_STACR_OC) == - EMAC_STACR_OC_MASK) { - if (i > 5) - return -1; - - udelay (7); - i++; - } - sta_reg = 0; - sta_reg = reg; /* reg address */ - /* set clock (50Mhz) and read flags */ -#if defined(CONFIG_440GX) || defined(CONFIG_440SPE) || \ - defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_405EX) -#if defined(CONFIG_IBM_EMAC4_V4) /* EMAC4 V4 changed bit setting */ - sta_reg = (sta_reg & ~EMAC_STACR_OP_MASK) | EMAC_STACR_WRITE; -#else - sta_reg |= EMAC_STACR_WRITE; -#endif -#else - sta_reg = (sta_reg | EMAC_STACR_WRITE) & ~EMAC_STACR_CLK_100MHZ; -#endif - -#if defined(CONFIG_PHY_CLK_FREQ) && !defined(CONFIG_440GX) && \ - !defined(CONFIG_440SP) && !defined(CONFIG_440SPE) && \ - !defined(CONFIG_440EPX) && !defined(CONFIG_440GRX) && \ - !defined(CONFIG_405EX) - sta_reg = sta_reg | CONFIG_PHY_CLK_FREQ; /* Set clock frequency (PLB freq. dependend) */ -#endif - sta_reg = sta_reg | ((unsigned long)addr << 5); /* Phy address */ - sta_reg = sta_reg | EMAC_STACR_OC_MASK; /* new IBM emac v4 */ - memcpy (&sta_reg, &value, 2); /* put in data */ - out_be32((void *)EMAC_STACR + emac_reg, sta_reg); + if (emac_miiphy_command(addr, reg, EMAC_STACR_READ, 0) != 0) + return -1; - /* wait for completion */ - i = 0; sta_reg = in_be32((void *)EMAC_STACR + emac_reg); -#ifdef ET_DEBUG - printf ("a31: read : EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ -#endif - while ((sta_reg & EMAC_STACR_OC) == EMAC_STACR_OC_MASK) { - udelay (7); - if (i > 5) - return -1; - - i++; - sta_reg = in_be32((void *)EMAC_STACR + emac_reg); -#ifdef ET_DEBUG - printf ("a32: read : EMAC_STACR=0x%0x\n", sta_reg); /* test-only */ -#endif - } - - if ((sta_reg & EMAC_STACR_PHYE) != 0) - return -1; + *value = *(u16 *)(&sta_reg); return 0; +} -} /* phy_write */ +/***********************************************************/ +/* write a phy reg and return the value with a rc */ +/***********************************************************/ + +int emac4xx_miiphy_write (char *devname, unsigned char addr, unsigned char reg, + unsigned short value) +{ + return emac_miiphy_command(addr, reg, EMAC_STACR_WRITE, value); +} diff --git a/cpu/ppc4xx/ndfc.c b/cpu/ppc4xx/ndfc.c index 9e2229d..5b2ae88 100644 --- a/cpu/ppc4xx/ndfc.c +++ b/cpu/ppc4xx/ndfc.c @@ -34,7 +34,8 @@ #if defined(CONFIG_CMD_NAND) && !defined(CFG_NAND_LEGACY) && \ (defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_405EZ) || defined(CONFIG_405EX)) + defined(CONFIG_405EZ) || defined(CONFIG_405EX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT)) #include <nand.h> #include <linux/mtd/ndfc.h> diff --git a/cpu/ppc4xx/speed.c b/cpu/ppc4xx/speed.c index 9006614..fa79952 100644 --- a/cpu/ppc4xx/speed.c +++ b/cpu/ppc4xx/speed.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2000-2007 + * (C) Copyright 2000-2008 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * * See file CREDITS for list of people who contributed to this @@ -35,6 +35,8 @@ DECLARE_GLOBAL_DATA_PTR; #define DEBUGF(fmt,args...) #endif +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + #if defined(CONFIG_405GP) || defined(CONFIG_405CR) void get_sys_info (PPC4xx_SYS_INFO * sysInfo) @@ -201,7 +203,126 @@ ulong get_PCI_freq (void) #elif defined(CONFIG_440) -#if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) +static u8 pll_fwdv_multi_bits[] = { + /* values for: 1 - 16 */ + 0x00, 0x01, 0x0f, 0x04, 0x09, 0x0a, 0x0d, 0x0e, 0x03, 0x0c, + 0x05, 0x08, 0x07, 0x02, 0x0b, 0x06 +}; + +u32 get_cpr0_fwdv(unsigned long cpr_reg_fwdv) +{ + u32 index; + + for (index = 0; index < ARRAY_SIZE(pll_fwdv_multi_bits); index++) + if (cpr_reg_fwdv == (u32)pll_fwdv_multi_bits[index]) + return index + 1; + + return 0; +} + +static u8 pll_fbdv_multi_bits[] = { + /* values for: 1 - 100 */ + 0x00, 0xff, 0x7e, 0xfd, 0x7a, 0xf5, 0x6a, 0xd5, 0x2a, 0xd4, + 0x29, 0xd3, 0x26, 0xcc, 0x19, 0xb3, 0x67, 0xce, 0x1d, 0xbb, + 0x77, 0xee, 0x5d, 0xba, 0x74, 0xe9, 0x52, 0xa5, 0x4b, 0x96, + 0x2c, 0xd8, 0x31, 0xe3, 0x46, 0x8d, 0x1b, 0xb7, 0x6f, 0xde, + 0x3d, 0xfb, 0x76, 0xed, 0x5a, 0xb5, 0x6b, 0xd6, 0x2d, 0xdb, + 0x36, 0xec, 0x59, 0xb2, 0x64, 0xc9, 0x12, 0xa4, 0x48, 0x91, + 0x23, 0xc7, 0x0e, 0x9c, 0x38, 0xf0, 0x61, 0xc2, 0x05, 0x8b, + 0x17, 0xaf, 0x5f, 0xbe, 0x7c, 0xf9, 0x72, 0xe5, 0x4a, 0x95, + 0x2b, 0xd7, 0x2e, 0xdc, 0x39, 0xf3, 0x66, 0xcd, 0x1a, 0xb4, + 0x68, 0xd1, 0x22, 0xc4, 0x09, 0x93, 0x27, 0xcf, 0x1e, 0xbc, + /* values for: 101 - 200 */ + 0x78, 0xf1, 0x62, 0xc5, 0x0a, 0x94, 0x28, 0xd0, 0x21, 0xc3, + 0x06, 0x8c, 0x18, 0xb0, 0x60, 0xc1, 0x02, 0x84, 0x08, 0x90, + 0x20, 0xc0, 0x01, 0x83, 0x77, 0xff, 0x1f, 0xbf, 0x7f, 0xfe, + 0x7d, 0xfa, 0x75, 0xea, 0x55, 0xaa, 0x54, 0xa9, 0x53, 0xa6, + 0x4c, 0x99, 0x33, 0xe7, 0x4e, 0x9d, 0x3b, 0xf7, 0x6e, 0xdd, + 0x3a, 0xf4, 0x69, 0xd2, 0x25, 0xcb, 0x16, 0xac, 0x58, 0xb1, + 0x63, 0xc6, 0x0d, 0x9b, 0x37, 0xef, 0x5e, 0xbd, 0x7b, 0xf6, + 0x6d, 0xda, 0x35, 0xeb, 0x56, 0xad, 0x5b, 0xb6, 0x6c, 0xd9, + 0x32, 0xe4, 0x49, 0x92, 0x24, 0xc8, 0x11, 0xa3, 0x47, 0x8e, + 0x1c, 0xb8, 0x70, 0xe1, 0x42, 0x85, 0x0b, 0x97, 0x2f, 0xdf, + /* values for: 201 - 255 */ + 0x3e, 0xfc, 0x79, 0xf2, 0x65, 0xca, 0x15, 0xab, 0x57, 0xae, + 0x5c, 0xb9, 0x73, 0xe6, 0x4d, 0x9a, 0x34, 0xe8, 0x51, 0xa2, + 0x44, 0x89, 0x13, 0xa7, 0x4f, 0x9e, 0x3c, 0xf8, 0x71, 0xe2, + 0x45, 0x8a, 0x14, 0xa8, 0x50, 0xa1, 0x43, 0x86, 0x0c, 0x98, + 0x30, 0xe0, 0x41, 0x82, 0x04, 0x88, 0x10, 0xa0, 0x40, 0x81, + 0x03, 0x87, 0x0f, 0x9f, 0x3f /* END */ +}; + +u32 get_cpr0_fbdv(unsigned long cpr_reg_fbdv) +{ + u32 index; + + for (index = 0; index < ARRAY_SIZE(pll_fbdv_multi_bits); index++) + if (cpr_reg_fbdv == (u32)pll_fbdv_multi_bits[index]) + return index + 1; + + return 0; +} + +/* + * AMCC_TODO: verify this routine against latest EAS, cause stuff changed + * with latest EAS + */ +void get_sys_info (sys_info_t * sysInfo) +{ + unsigned long strp0; + unsigned long strp1; + unsigned long temp; + unsigned long m; + unsigned long plbedv0; + + /* Extract configured divisors */ + mfsdr(sdr_sdstp0, strp0); + mfsdr(sdr_sdstp1, strp1); + + temp = ((strp0 & PLLSYS0_FWD_DIV_A_MASK) >> 4); + sysInfo->pllFwdDivA = get_cpr0_fwdv(temp); + + temp = (strp0 & PLLSYS0_FWD_DIV_B_MASK); + sysInfo->pllFwdDivB = get_cpr0_fwdv(temp); + + temp = (strp0 & PLLSYS0_FB_DIV_MASK) >> 8; + sysInfo->pllFbkDiv = get_cpr0_fbdv(temp); + + temp = (strp1 & PLLSYS0_OPB_DIV_MASK) >> 26; + sysInfo->pllOpbDiv = temp ? temp : 4; + + /* AMCC_TODO: verify the SDR0_SDSTP1.PERDV0 value sysInfo->pllExtBusDiv */ + temp = (strp1 & PLLSYS0_PERCLK_DIV_MASK) >> 24; + sysInfo->pllExtBusDiv = temp ? temp : 4; + + temp = (strp1 & PLLSYS0_PLBEDV0_DIV_MASK) >> 29; + plbedv0 = temp ? temp: 8; + + /* Calculate 'M' based on feedback source */ + temp = (strp0 & PLLSYS0_SEL_MASK) >> 27; + if (temp == 0) { + /* PLL internal feedback */ + m = sysInfo->pllFbkDiv; + } else { + /* PLL PerClk feedback */ + m = sysInfo->pllFwdDivA * plbedv0 * sysInfo->pllOpbDiv * + sysInfo->pllExtBusDiv; + } + + /* Now calculate the individual clocks */ + sysInfo->freqVCOMhz = (m * CONFIG_SYS_CLK_FREQ) + (m >> 1); + sysInfo->freqProcessor = sysInfo->freqVCOMhz/sysInfo->pllFwdDivA; + sysInfo->freqPLB = sysInfo->freqVCOMhz / sysInfo->pllFwdDivA / plbedv0; + sysInfo->freqOPB = sysInfo->freqPLB / sysInfo->pllOpbDiv; + sysInfo->freqEBC = sysInfo->freqOPB / sysInfo->pllExtBusDiv; + sysInfo->freqDDR = sysInfo->freqPLB; + sysInfo->freqUART = sysInfo->freqPLB; + + return; +} + +#elif defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) void get_sys_info (sys_info_t *sysInfo) { diff --git a/cpu/ppc4xx/start.S b/cpu/ppc4xx/start.S index d8df67b..8d2777d 100644 --- a/cpu/ppc4xx/start.S +++ b/cpu/ppc4xx/start.S @@ -403,7 +403,8 @@ rsttlb: tlbwe r0,r1,0x0000 /* Invalidate all entries (V=0)*/ 2: #if defined(CONFIG_NAND_SPL) -#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) +#if defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) /* * Enable internal SRAM (only on 440EPx/GRx, 440EP/GR have no OCM) */ @@ -415,6 +416,11 @@ rsttlb: tlbwe r0,r1,0x0000 /* Invalidate all entries (V=0)*/ mfdcr r1,isram0_pmeg and r1,r1,r2 /* Disable pwr mgmt */ mtdcr isram0_pmeg,r1 +#if defined(CONFIG_460EX) || defined(CONFIG_460GT) + lis r1,0x4000 /* BAS = 8000_0000 */ + ori r1,r1,0x4580 /* 16k */ + mtdcr isram0_sb0cr,r1 +#endif #endif #if defined(CONFIG_440EP) /* @@ -672,7 +678,9 @@ _start: /* 440EP & 440GR are only 440er PPC's without internal SRAM */ #if !defined(CONFIG_440EP) && !defined(CONFIG_440GR) /* not all PPC's have internal SRAM usable as L2-cache */ -#if defined(CONFIG_440GX) || defined(CONFIG_440SP) || defined(CONFIG_440SPE) +#if defined(CONFIG_440GX) || \ + defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) mtdcr l2_cache_cfg,r0 /* Ensure L2 Cache is off */ #endif @@ -711,6 +719,10 @@ _start: lis r1, 0x0003 ori r1,r1, 0x0984 /* fourth 64k */ mtdcr isram0_sb3cr,r1 +#elif defined(CONFIG_460EX) || defined(CONFIG_460GT) + lis r1,0x4000 /* BAS = 8000_0000 */ + ori r1,r1,0x4580 /* 16k */ + mtdcr isram0_sb0cr,r1 #elif defined(CONFIG_440GP) ori r1,r1,0x0380 /* 8k rw */ mtdcr isram0_sb0cr,r1 @@ -1370,7 +1382,8 @@ relocate_code: #if defined(CONFIG_440EP) || defined(CONFIG_440GR) || \ defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \ - defined(CONFIG_440SP) || defined(CONFIG_440SPE) + defined(CONFIG_440SP) || defined(CONFIG_440SPE) || \ + defined(CONFIG_460EX) || defined(CONFIG_460GT) /* * On some 440er platforms the cache is enabled in the first TLB (Boot-CS) * to speed up the boot process. Now this cache needs to be disabled. diff --git a/cpu/ppc4xx/tlb.c b/cpu/ppc4xx/tlb.c index ed493f1..2bfcba1 100644 --- a/cpu/ppc4xx/tlb.c +++ b/cpu/ppc4xx/tlb.c @@ -31,9 +31,9 @@ #include <asm/mmu.h> typedef struct region { - unsigned long base; - unsigned long size; - unsigned long tlb_word2_i_value; + u64 base; + u32 size; + u32 tlb_word2_i_value; } region_t; void remove_tlb(u32 vaddr, u32 size) @@ -182,10 +182,10 @@ void change_tlb(u32 vaddr, u32 size, u32 tlb_word2_i_value) asm("isync"); } -static int add_tlb_entry(unsigned long phys_addr, - unsigned long virt_addr, - unsigned long tlb_word0_size_value, - unsigned long tlb_word2_i_value) +static int add_tlb_entry(u64 phys_addr, + u32 virt_addr, + u32 tlb_word0_size_value, + u32 tlb_word2_i_value) { int i; unsigned long tlb_word0_value; @@ -204,7 +204,8 @@ static int add_tlb_entry(unsigned long phys_addr, /* Second, create the TLB entry */ tlb_word0_value = TLB_WORD0_EPN_ENCODE(virt_addr) | TLB_WORD0_V_ENABLE | TLB_WORD0_TS_0 | tlb_word0_size_value; - tlb_word1_value = TLB_WORD1_RPN_ENCODE(phys_addr) | TLB_WORD1_ERPN_ENCODE(0); + tlb_word1_value = TLB_WORD1_RPN_ENCODE((u32)phys_addr) | + TLB_WORD1_ERPN_ENCODE(phys_addr >> 32); tlb_word2_value = TLB_WORD2_U0_DISABLE | TLB_WORD2_U1_DISABLE | TLB_WORD2_U2_DISABLE | TLB_WORD2_U3_DISABLE | TLB_WORD2_W_DISABLE | tlb_word2_i_value | @@ -228,10 +229,10 @@ static int add_tlb_entry(unsigned long phys_addr, return 0; } -static void program_tlb_addr(unsigned long phys_addr, - unsigned long virt_addr, - unsigned long mem_size, - unsigned long tlb_word2_i_value) +static void program_tlb_addr(u64 phys_addr, + u32 virt_addr, + u32 mem_size, + u32 tlb_word2_i_value) { int rc; int tlb_i; @@ -331,7 +332,7 @@ static void program_tlb_addr(unsigned long phys_addr, * Common usage for boards with SDRAM DIMM modules to dynamically * configure the TLB's for the SDRAM */ -void program_tlb(u32 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value) +void program_tlb(u64 phys_addr, u32 virt_addr, u32 size, u32 tlb_word2_i_value) { region_t region_array; diff --git a/cpu/s3c44b0/cpu.c b/cpu/s3c44b0/cpu.c index 5d50b3c..eae6adb 100644 --- a/cpu/s3c44b0/cpu.c +++ b/cpu/s3c44b0/cpu.c @@ -155,7 +155,7 @@ int dcache_status (void) #define HEX2BCD(x) ((((x) / 10) << 4) + (x) % 10) #endif -void rtc_get (struct rtc_time* tm) +int rtc_get (struct rtc_time* tm) { RTCCON |= 1; tm->tm_year = BCD2HEX(BCDYEAR); @@ -184,6 +184,8 @@ void rtc_get (struct rtc_time* tm) tm->tm_year += 1900; else tm->tm_year += 2000; + + return 0; } void rtc_set (struct rtc_time* tm) |