X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=board%2Famcc%2Fsequoia%2Fsequoia.c;h=b518aa7d72fc2e579d9cfdd42ba06e0c4c1be5f6;hb=73bb4c72407aca3c2f461708bb872a23f2b1bf5a;hp=176d5cf0dc9dfa6baee58bfcae78654edd47e405;hpb=9939ffd5fbf1f5aff4d8172531d4fc33797c62c8;p=u-boot diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c index 176d5cf0dc..b518aa7d72 100644 --- a/board/amcc/sequoia/sequoia.c +++ b/board/amcc/sequoia/sequoia.c @@ -1,5 +1,5 @@ /* - * (C) Copyright 2006-2007 + * (C) Copyright 2006-2009 * Stefan Roese, DENX Software Engineering, sr@denx.de. * * (C) Copyright 2006 @@ -25,17 +25,29 @@ #include #include #include -#include -#include +#include +#include #include #include #include DECLARE_GLOBAL_DATA_PTR; -extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ +#if !defined(CONFIG_SYS_NO_FLASH) +extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ +#endif + +extern void __ft_board_setup(void *blob, bd_t *bd); +ulong flash_get_size(ulong base, int banknum); -ulong flash_get_size (ulong base, int banknum); +static inline u32 get_async_pci_freq(void) +{ + if (in_8((void *)(CONFIG_SYS_BCSR_BASE + 5)) & + CONFIG_SYS_BCSR5_PCI66EN) + return 66666666; + else + return 33333333; +} int board_early_init_f(void) { @@ -43,47 +55,50 @@ int board_early_init_f(void) u32 sdr0_pfc1, sdr0_pfc2; u32 reg; - mtdcr(ebccfga, xbcfg); - mtdcr(ebccfgd, 0xb8400000); + mtdcr(EBC0_CFGADDR, EBC0_CFG); + mtdcr(EBC0_CFGDATA, 0xb8400000); /* * Setup the interrupt controller polarities, triggers, etc. */ - mtdcr(uic0sr, 0xffffffff); /* clear all */ - mtdcr(uic0er, 0x00000000); /* disable all */ - mtdcr(uic0cr, 0x00000005); /* ATI & UIC1 crit are critical */ - mtdcr(uic0pr, 0xfffff7ff); /* per ref-board manual */ - mtdcr(uic0tr, 0x00000000); /* per ref-board manual */ - mtdcr(uic0vr, 0x00000000); /* int31 highest, base=0x000 */ - mtdcr(uic0sr, 0xffffffff); /* clear all */ - - mtdcr(uic1sr, 0xffffffff); /* clear all */ - mtdcr(uic1er, 0x00000000); /* disable all */ - mtdcr(uic1cr, 0x00000000); /* all non-critical */ - mtdcr(uic1pr, 0xffffffff); /* per ref-board manual */ - mtdcr(uic1tr, 0x00000000); /* per ref-board manual */ - mtdcr(uic1vr, 0x00000000); /* int31 highest, base=0x000 */ - mtdcr(uic1sr, 0xffffffff); /* clear all */ - - mtdcr(uic2sr, 0xffffffff); /* clear all */ - mtdcr(uic2er, 0x00000000); /* disable all */ - mtdcr(uic2cr, 0x00000000); /* all non-critical */ - mtdcr(uic2pr, 0xffffffff); /* per ref-board manual */ - mtdcr(uic2tr, 0x00000000); /* per ref-board manual */ - mtdcr(uic2vr, 0x00000000); /* int31 highest, base=0x000 */ - mtdcr(uic2sr, 0xffffffff); /* clear all */ + mtdcr(UIC0SR, 0xffffffff); /* clear all */ + mtdcr(UIC0ER, 0x00000000); /* disable all */ + mtdcr(UIC0CR, 0x00000005); /* ATI & UIC1 crit are critical */ + mtdcr(UIC0PR, 0xfffff7ff); /* per ref-board manual */ + mtdcr(UIC0TR, 0x00000000); /* per ref-board manual */ + mtdcr(UIC0VR, 0x00000000); /* int31 highest, base=0x000 */ + mtdcr(UIC0SR, 0xffffffff); /* clear all */ + + mtdcr(UIC1SR, 0xffffffff); /* clear all */ + mtdcr(UIC1ER, 0x00000000); /* disable all */ + mtdcr(UIC1CR, 0x00000000); /* all non-critical */ + mtdcr(UIC1PR, 0xffffffff); /* per ref-board manual */ + mtdcr(UIC1TR, 0x00000000); /* per ref-board manual */ + mtdcr(UIC1VR, 0x00000000); /* int31 highest, base=0x000 */ + mtdcr(UIC1SR, 0xffffffff); /* clear all */ + + mtdcr(UIC2SR, 0xffffffff); /* clear all */ + mtdcr(UIC2ER, 0x00000000); /* disable all */ + mtdcr(UIC2CR, 0x00000000); /* all non-critical */ + mtdcr(UIC2PR, 0xffffffff); /* per ref-board manual */ + mtdcr(UIC2TR, 0x00000000); /* per ref-board manual */ + mtdcr(UIC2VR, 0x00000000); /* int31 highest, base=0x000 */ + mtdcr(UIC2SR, 0xffffffff); /* clear all */ + + /* Check and reconfigure the PCI sync clock if necessary */ + ppc4xx_pci_sync_clock_config(get_async_pci_freq()); /* 50MHz tmrclk */ - out_8((u8 *) CFG_BCSR_BASE + 0x04, 0x00); + out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x04, 0x00); /* clear write protects */ - out_8((u8 *) CFG_BCSR_BASE + 0x07, 0x00); + out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x07, 0x00); /* enable Ethernet */ - out_8((u8 *) CFG_BCSR_BASE + 0x08, 0x00); + out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x08, 0x00); /* enable USB device */ - out_8((u8 *) CFG_BCSR_BASE + 0x09, 0x20); + out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x09, 0x20); /* select Ethernet (and optionally IIC1) pins */ mfsdr(SDR0_PFC1, sdr0_pfc1); @@ -104,8 +119,8 @@ int board_early_init_f(void) mtsdr(SDR0_PFC1, sdr0_pfc1); /* PCI arbiter enabled */ - mfsdr(sdr_pci0, reg); - mtsdr(sdr_pci0, 0x80000000 | reg); + mfsdr(SDR0_PCI0, reg); + mtsdr(SDR0_PCI0, 0x80000000 | reg); /* setup NAND FLASH */ mfsdr(SDR0_CUST0, sdr0_cust0); @@ -113,7 +128,7 @@ int board_early_init_f(void) SDR0_CUST0_NDFC_ENABLE | SDR0_CUST0_NDFC_BW_8_BIT | SDR0_CUST0_NDFC_ARE_MASK | - (0x80000000 >> (28 + CFG_NAND_CS)); + (0x80000000 >> (28 + CONFIG_SYS_NAND_CS)); mtsdr(SDR0_CUST0, sdr0_cust0); return 0; @@ -121,55 +136,61 @@ int board_early_init_f(void) int misc_init_r(void) { +#if !defined(CONFIG_SYS_NO_FLASH) uint pbcr; int size_val = 0; - u32 reg; +#endif #ifdef CONFIG_440EPX unsigned long usb2d0cr = 0; unsigned long usb2phy0cr, usb2h0cr = 0; unsigned long sdr0_pfc1; char *act = getenv("usbact"); #endif + u32 reg; +#if !defined(CONFIG_SYS_NO_FLASH) /* Re-do flash sizing to get full correct info */ /* adjust flash start and offset */ gd->bd->bi_flashstart = 0 - gd->bd->bi_flashsize; gd->bd->bi_flashoffset = 0; -#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) - mtdcr(ebccfga, pb3cr); +#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) || \ + defined(CONFIG_SYS_RAMBOOT) + mtdcr(EBC0_CFGADDR, PB3CR); #else - mtdcr(ebccfga, pb0cr); + mtdcr(EBC0_CFGADDR, PB0CR); #endif - pbcr = mfdcr(ebccfgd); + pbcr = mfdcr(EBC0_CFGDATA); size_val = ffs(gd->bd->bi_flashsize) - 21; pbcr = (pbcr & 0x0001ffff) | gd->bd->bi_flashstart | (size_val << 17); -#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) - mtdcr(ebccfga, pb3cr); +#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) || \ + defined(CONFIG_SYS_RAMBOOT) + mtdcr(EBC0_CFGADDR, PB3CR); #else - mtdcr(ebccfga, pb0cr); + mtdcr(EBC0_CFGADDR, PB0CR); #endif - mtdcr(ebccfgd, pbcr); + mtdcr(EBC0_CFGDATA, pbcr); /* * Re-check to get correct base address */ flash_get_size(gd->bd->bi_flashstart, 0); -#ifdef CFG_ENV_IS_IN_FLASH +#ifdef CONFIG_ENV_IS_IN_FLASH /* Monitor protection ON by default */ (void)flash_protect(FLAG_PROTECT_SET, - -CFG_MONITOR_LEN, + -CONFIG_SYS_MONITOR_LEN, 0xffffffff, &flash_info[0]); /* Env protection ON by default */ (void)flash_protect(FLAG_PROTECT_SET, - CFG_ENV_ADDR_REDUND, - CFG_ENV_ADDR_REDUND + 2*CFG_ENV_SECT_SIZE - 1, + CONFIG_ENV_ADDR_REDUND, + CONFIG_ENV_ADDR_REDUND + 2*CONFIG_ENV_SECT_SIZE - 1, &flash_info[0]); #endif +#endif /* CONFIG_SYS_NO_FLASH */ /* * USB suff... @@ -302,8 +323,8 @@ int misc_init_r(void) * This fix will make the MAL burst disabling patch for the Linux * EMAC driver obsolete. */ - reg = mfdcr(plb4_acr) & ~PLB4_ACR_WRP; - mtdcr(plb4_acr, reg); + reg = mfdcr(PLB4A0_ACR) & ~PLB4Ax_ACR_WRP_MASK; + mtdcr(PLB4A0_ACR, reg); return 0; } @@ -312,7 +333,7 @@ int checkboard(void) { char *s = getenv("serial#"); u8 rev; - u8 val; + u32 clock = get_async_pci_freq(); #ifdef CONFIG_440EPX printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board"); @@ -320,9 +341,8 @@ int checkboard(void) printf("Board: Rainier - AMCC PPC440GRx Evaluation Board"); #endif - rev = in_8((void *)(CFG_BCSR_BASE + 0)); - val = in_8((void *)(CFG_BCSR_BASE + 5)) & CFG_BCSR5_PCI66EN; - printf(", Rev. %X, PCI=%d MHz", rev, val ? 66 : 33); + rev = in_8((void *)(CONFIG_SYS_BCSR_BASE + 0)); + printf(", Rev. %X, PCI-Async=%d MHz", rev, clock / 1000000); if (s != NULL) { puts(", serial# "); @@ -330,6 +350,15 @@ int checkboard(void) } putc('\n'); + /* + * Reconfiguration of the PCI sync clock is already done, + * now check again if everything is in range: + */ + if (ppc4xx_pci_sync_clock_config(clock)) { + printf("ERROR: PCI clocking incorrect (async=%d " + "sync=%ld)!\n", clock, get_PCI_freq()); + } + return (0); } @@ -337,179 +366,61 @@ int checkboard(void) /* * Assign interrupts to PCI devices. */ -void sequoia_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev) +void board_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev) { pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2); } #endif +#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_SYS_RAMBOOT) /* - * pci_pre_init - * - * This routine is called just prior to registering the hose and gives - * the board the opportunity to check things. Returning a value of zero - * indicates that things are bad & PCI initialization should be aborted. - * - * Different boards may wish to customize the pci controller structure - * (add regions, override default access routines, etc) or perform - * certain pre-initialization actions. - */ -#if defined(CONFIG_PCI) -int pci_pre_init(struct pci_controller *hose) -{ - unsigned long addr; - - /* - * Set priority for all PLB3 devices to 0. - * Set PLB3 arbiter to fair mode. - */ - mfsdr(sdr_amp1, addr); - mtsdr(sdr_amp1, (addr & 0x000000FF) | 0x0000FF00); - addr = mfdcr(plb3_acr); - mtdcr(plb3_acr, addr | 0x80000000); - - /* - * Set priority for all PLB4 devices to 0. - */ - mfsdr(sdr_amp0, addr); - mtsdr(sdr_amp0, (addr & 0x000000FF) | 0x0000FF00); - addr = mfdcr(plb4_acr) | 0xa0000000; /* Was 0x8---- */ - mtdcr(plb4_acr, addr); - - /* - * Set Nebula PLB4 arbiter to fair mode. - */ - /* Segment0 */ - addr = (mfdcr(plb0_acr) & ~plb0_acr_ppm_mask) | plb0_acr_ppm_fair; - addr = (addr & ~plb0_acr_hbu_mask) | plb0_acr_hbu_enabled; - addr = (addr & ~plb0_acr_rdp_mask) | plb0_acr_rdp_4deep; - addr = (addr & ~plb0_acr_wrp_mask) | plb0_acr_wrp_2deep; - mtdcr(plb0_acr, addr); - - /* Segment1 */ - addr = (mfdcr(plb1_acr) & ~plb1_acr_ppm_mask) | plb1_acr_ppm_fair; - addr = (addr & ~plb1_acr_hbu_mask) | plb1_acr_hbu_enabled; - addr = (addr & ~plb1_acr_rdp_mask) | plb1_acr_rdp_4deep; - addr = (addr & ~plb1_acr_wrp_mask) | plb1_acr_wrp_2deep; - mtdcr(plb1_acr, addr); - -#ifdef CONFIG_PCI_PNP - hose->fixup_irq = sequoia_pci_fixup_irq; -#endif - return 1; -} -#endif /* defined(CONFIG_PCI) */ - -/* - * pci_target_init - * - * The bootstrap configuration provides default settings for the pci - * inbound map (PIM). But the bootstrap config choices are limited and - * may not be sufficient for a given board. - */ -#if defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) -void pci_target_init(struct pci_controller *hose) -{ - /* - * Set up Direct MMIO registers - */ - /* - * PowerPC440EPX PCI Master configuration. - * Map one 1Gig range of PLB/processor addresses to PCI memory space. - * PLB address 0xA0000000-0xDFFFFFFF - * ==> PCI address 0xA0000000-0xDFFFFFFF - * Use byte reversed out routines to handle endianess. - * Make this region non-prefetchable. - */ - out32r(PCIX0_PMM0MA, 0x00000000); /* PMM0 Mask/Attribute */ - /* - disabled b4 setting */ - out32r(PCIX0_PMM0LA, CFG_PCI_MEMBASE); /* PMM0 Local Address */ - out32r(PCIX0_PMM0PCILA, CFG_PCI_MEMBASE); /* PMM0 PCI Low Address */ - out32r(PCIX0_PMM0PCIHA, 0x00000000); /* PMM0 PCI High Address */ - out32r(PCIX0_PMM0MA, 0xE0000001); /* 512M + No prefetching, */ - /* and enable region */ - - out32r(PCIX0_PMM1MA, 0x00000000); /* PMM0 Mask/Attribute */ - /* - disabled b4 setting */ - out32r(PCIX0_PMM1LA, CFG_PCI_MEMBASE2); /* PMM0 Local Address */ - out32r(PCIX0_PMM1PCILA, CFG_PCI_MEMBASE2); /* PMM0 PCI Low Address */ - out32r(PCIX0_PMM1PCIHA, 0x00000000); /* PMM0 PCI High Address */ - out32r(PCIX0_PMM1MA, 0xE0000001); /* 512M + No prefetching, */ - /* and enable region */ - - out32r(PCIX0_PTM1MS, 0x00000001); /* Memory Size/Attribute */ - out32r(PCIX0_PTM1LA, 0); /* Local Addr. Reg */ - out32r(PCIX0_PTM2MS, 0); /* Memory Size/Attribute */ - out32r(PCIX0_PTM2LA, 0); /* Local Addr. Reg */ - - /* - * Set up Configuration registers - */ - - /* Program the board's subsystem id/vendor id */ - pci_write_config_word(0, PCI_SUBSYSTEM_VENDOR_ID, - CFG_PCI_SUBSYS_VENDORID); - pci_write_config_word(0, PCI_SUBSYSTEM_ID, CFG_PCI_SUBSYS_ID); - - /* Configure command register as bus master */ - pci_write_config_word(0, PCI_COMMAND, PCI_COMMAND_MASTER); - - /* 240nS PCI clock */ - pci_write_config_word(0, PCI_LATENCY_TIMER, 1); - - /* No error reporting */ - pci_write_config_word(0, PCI_ERREN, 0); - - pci_write_config_dword(0, PCI_BRDGOPT2, 0x00000101); - -} -#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_TARGET_INIT) */ - -#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) -void pci_master_init(struct pci_controller *hose) -{ - unsigned short temp_short; - - /* - * Write the PowerPC440 EP PCI Configuration regs. - * Enable PowerPC440 EP to be a master on the PCI bus (PMM). - * Enable PowerPC440 EP to act as a PCI memory target (PTM). - */ - pci_read_config_word(0, PCI_COMMAND, &temp_short); - pci_write_config_word(0, PCI_COMMAND, - temp_short | PCI_COMMAND_MASTER | - PCI_COMMAND_MEMORY); -} -#endif /* defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) */ - -/* - * is_pci_host - * - * This routine is called to determine if a pci scan should be - * performed. With various hardware environments (especially cPCI and - * PPMC) it's insufficient to depend on the state of the arbiter enable - * bit in the strap register, or generic host/adapter assumptions. - * - * Rather than hard-code a bad assumption in the general 440 code, the - * 440 pci code requires the board to decide at runtime. - * - * Return 0 for adapter mode, non-zero for host (monarch) mode. + * On NAND-booting sequoia, we need to patch the chips select numbers + * in the dtb (CS0 - NAND, CS3 - NOR) */ -#if defined(CONFIG_PCI) -int is_pci_host(struct pci_controller *hose) +void ft_board_setup(void *blob, bd_t *bd) { - /* Cactus is always configured as host. */ - return (1); -} -#endif /* defined(CONFIG_PCI) */ + int rc; + int len; + int nodeoffset; + struct fdt_property *prop; + u32 *reg; + char path[32]; + + /* First do common fdt setup */ + __ft_board_setup(blob, bd); + + /* And now configure NOR chip select to 3 instead of 0 */ + strcpy(path, "/plb/opb/ebc/nor_flash@0,0"); + nodeoffset = fdt_path_offset(blob, path); + prop = fdt_get_property_w(blob, nodeoffset, "reg", &len); + if (prop == NULL) { + printf("Unable to update NOR chip select for NAND booting\n"); + return; + } + reg = (u32 *)&prop->data[0]; + reg[0] = 3; + rc = fdt_find_and_setprop(blob, path, "reg", reg, 3 * sizeof(u32), 1); + if (rc) { + printf("Unable to update property NOR mappings, err=%s\n", + fdt_strerror(rc)); + return; + } -#if defined(CONFIG_POST) -/* - * Returns 1 if keys pressed to start the power-on long-running tests - * Called from board_init_f(). - */ -int post_hotkeys_pressed(void) -{ - return 0; /* No hotkeys supported */ + /* And now configure NAND chip select to 0 instead of 3 */ + strcpy(path, "/plb/opb/ebc/ndfc@3,0"); + nodeoffset = fdt_path_offset(blob, path); + prop = fdt_get_property_w(blob, nodeoffset, "reg", &len); + if (prop == NULL) { + printf("Unable to update NDFC chip select for NAND booting\n"); + return; + } + reg = (u32 *)&prop->data[0]; + reg[0] = 0; + rc = fdt_find_and_setprop(blob, path, "reg", reg, 3 * sizeof(u32), 1); + if (rc) { + printf("Unable to update property NDFC mappings, err=%s\n", + fdt_strerror(rc)); + return; + } } -#endif /* CONFIG_POST */ +#endif /* CONFIG_NAND_U_BOOT */