X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Famcc%2Fsequoia%2Fsequoia.c;h=b8ef4e7633755cec9e11c6449ea6c522c3aff19f;hb=1095493a5d4c16f481a783f6f54d83ad0e07dfa0;hp=e46efef10a725b5e81ad60dd684090bff59a1fb8;hpb=c1d16334091653de8eabcc9eb4f3447c98ba5506;p=kernel%2Fu-boot.git diff --git a/board/amcc/sequoia/sequoia.c b/board/amcc/sequoia/sequoia.c index e46efef..b8ef4e7 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) { @@ -43,59 +55,72 @@ 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 pins */ + /* select Ethernet (and optionally IIC1) pins */ mfsdr(SDR0_PFC1, sdr0_pfc1); - sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) | SDR0_PFC1_SELECT_CONFIG_4; + sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_SELECT_MASK) | + SDR0_PFC1_SELECT_CONFIG_4; +#ifdef CONFIG_I2C_MULTI_BUS + sdr0_pfc1 |= ((sdr0_pfc1 & ~SDR0_PFC1_SIS_MASK) | SDR0_PFC1_SIS_IIC1_SEL); +#endif + /* Two UARTs, so we need 4-pin mode. Also, we want CTS/RTS mode. */ + sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0IM_MASK) | SDR0_PFC1_U0IM_4PINS; + sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U0ME_MASK) | SDR0_PFC1_U0ME_CTS_RTS; + sdr0_pfc1 = (sdr0_pfc1 & ~SDR0_PFC1_U1ME_MASK) | SDR0_PFC1_U1ME_CTS_RTS; + mfsdr(SDR0_PFC2, sdr0_pfc2); - sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) | SDR0_PFC2_SELECT_CONFIG_4; + sdr0_pfc2 = (sdr0_pfc2 & ~SDR0_PFC2_SELECT_MASK) | + SDR0_PFC2_SELECT_CONFIG_4; mtsdr(SDR0_PFC2, sdr0_pfc2); 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); @@ -103,101 +128,73 @@ 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; } -/*---------------------------------------------------------------------------+ - | misc_init_r. - +---------------------------------------------------------------------------*/ 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; - /* - * FLASH stuff... - */ - - /* Re-do sizing to get full correct info */ +#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); + mtdcr(EBC0_CFGADDR, PB3CR); #else - mtdcr(ebccfga, pb0cr); + mtdcr(EBC0_CFGADDR, PB0CR); #endif - pbcr = mfdcr(ebccfgd); - switch (gd->bd->bi_flashsize) { - case 1 << 20: - size_val = 0; - break; - case 2 << 20: - size_val = 1; - break; - case 4 << 20: - size_val = 2; - break; - case 8 << 20: - size_val = 3; - break; - case 16 << 20: - size_val = 4; - break; - case 32 << 20: - size_val = 5; - break; - case 64 << 20: - size_val = 6; - break; - case 128 << 20: - size_val = 7; - break; - } + 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); + 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... */ #ifdef CONFIG_440EPX - if (act == NULL || strcmp(act, "hostdev") == 0) { + if (act == NULL || strcmp(act, "hostdev") == 0) { /* SDR Setting */ mfsdr(SDR0_PFC1, sdr0_pfc1); mfsdr(SDR0_USB2D0CR, usb2d0cr); @@ -205,27 +202,32 @@ int misc_init_r(void) mfsdr(SDR0_USB2H0CR, usb2h0cr); usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; /*1*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; - /* An 8-bit/60MHz interface is the only possible alternative - when connecting the Device to the PHY */ + /* + * An 8-bit/60MHz interface is the only possible alternative + * when connecting the Device to the PHY + */ usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK; - usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; /*1*/ + usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_16BIT_30MHZ; - /* To enable the USB 2.0 Device function through the UTMI interface */ + /* + * To enable the USB 2.0 Device function + * through the UTMI interface + */ usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK; - usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION; /*1*/ + usb2d0cr = usb2d0cr | SDR0_USB2D0CR_USB2DEV_SELECTION; sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK; - sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL; /*0*/ + sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL; mtsdr(SDR0_PFC1, sdr0_pfc1); mtsdr(SDR0_USB2D0CR, usb2d0cr); @@ -245,13 +247,13 @@ int misc_init_r(void) mfsdr(SDR0_USB2PHY0CR, usb2phy0cr); usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; /*0*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; /*1*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; /*1*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; mtsdr(SDR0_USB2PHY0CR, usb2phy0cr); udelay (1000); @@ -276,31 +278,31 @@ int misc_init_r(void) mfsdr(SDR0_PFC1, sdr0_pfc1); usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; /*0*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ; /*0*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; /*1*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV; /*0*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV; usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; - usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV; /*0*/ + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV; usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK; - usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ; /*0*/ + usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ; usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK; - usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION; /*0*/ + usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION; sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK; - sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL; /*1*/ + sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_EBCHR_SEL; mtsdr(SDR0_USB2H0CR, usb2h0cr); mtsdr(SDR0_USB2PHY0CR, usb2phy0cr); mtsdr(SDR0_USB2D0CR, usb2d0cr); mtsdr(SDR0_PFC1, sdr0_pfc1); - /*clear resets*/ + /* clear resets */ udelay (1000); mtsdr(SDR0_SRST1, 0x00000000); udelay (1000); @@ -319,8 +321,8 @@ 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(PLB4_ACR) & ~PLB4_ACR_WRP; + mtdcr(PLB4_ACR, reg); return 0; } @@ -329,7 +331,7 @@ 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"); @@ -337,9 +339,8 @@ 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# "); @@ -347,46 +348,17 @@ int checkboard(void) } putc('\n'); - return (0); -} - -#if defined(CFG_DRAM_TEST) -int testdram(void) -{ - unsigned long *mem = (unsigned long *)0; - const unsigned long kend = (1024 / sizeof(unsigned long)); - unsigned long k, n; - - mtmsr(0); - - for (k = 0; k < CFG_MBYTES_SDRAM; - ++k, mem += (1024 / sizeof(unsigned long))) { - if ((k & 1023) == 0) { - printf("%3d MB\r", k / 1024); - } - - memset(mem, 0xaaaaaaaa, 1024); - for (n = 0; n < kend; ++n) { - if (mem[n] != 0xaaaaaaaa) { - printf("SDRAM test fails at: %08x\n", - (uint) & mem[n]); - return 1; - } - } - - memset(mem, 0x55555555, 1024); - for (n = 0; n < kend; ++n) { - if (mem[n] != 0x55555555) { - printf("SDRAM test fails at: %08x\n", - (uint) & mem[n]); - return 1; - } - } + /* + * 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()); } - printf("SDRAM test passes\n"); - return 0; + + return (0); } -#endif #if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP) /* @@ -394,60 +366,59 @@ int testdram(void) */ void sequoia_pci_fixup_irq(struct pci_controller *hose, pci_dev_t dev) { - pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIR2); + pci_hose_write_config_byte(hose, dev, PCI_INTERRUPT_LINE, VECNUM_EIRQ2); } #endif -/************************************************************************* - * 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. +/* + * pci_pre_init * - * Different boards may wish to customize the pci controller structure - * (add regions, override default access routines, etc) or perform - * certain pre-initialization actions. + * 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. - +-------------------------------------------------------------------------*/ + /* + * Set priority for all PLB3 devices to 0. + * Set PLB3 arbiter to fair mode. + */ + mfsdr(SD0_AMP1, addr); + mtsdr(SD0_AMP1, (addr & 0x000000FF) | 0x0000FF00); + addr = mfdcr(PLB3_ACR); + mtdcr(PLB3_ACR, addr | 0x80000000); + + /* + * Set priority for all PLB4 devices to 0. + */ + mfsdr(SD0_AMP0, addr); + mtsdr(SD0_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); + 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); + 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; @@ -456,110 +427,23 @@ int pci_pre_init(struct pci_controller *hose) } #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) */ - -/************************************************************************* - * pci_master_init - * - ************************************************************************/ -#if defined(CONFIG_PCI) && defined(CFG_PCI_MASTER_INIT) +#if defined(CONFIG_PCI) && defined(CONFIG_SYS_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). - +--------------------------------------------------------------------------*/ + /* + * 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) */ +#endif /* defined(CONFIG_PCI) && defined(CONFIG_SYS_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. - * - * - ************************************************************************/ -#if defined(CONFIG_PCI) -int is_pci_host(struct pci_controller *hose) -{ - /* Cactus is always configured as host. */ - return (1); -} -#endif /* defined(CONFIG_PCI) */ #if defined(CONFIG_POST) /* * Returns 1 if keys pressed to start the power-on long-running tests @@ -571,23 +455,55 @@ int post_hotkeys_pressed(void) } #endif /* CONFIG_POST */ -#if defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) +#if defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_SYS_RAMBOOT) +/* + * On NAND-booting sequoia, we need to patch the chips select numbers + * in the dtb (CS0 - NAND, CS3 - NOR) + */ void ft_board_setup(void *blob, bd_t *bd) { - u32 val[4]; 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; + } - ft_cpu_setup(blob, bd); - - /* Fixup NOR mapping */ - val[0] = 0; /* chip select number */ - val[1] = 0; /* always 0 */ - val[2] = gd->bd->bi_flashstart; - val[3] = gd->bd->bi_flashsize; - rc = fdt_find_and_setprop(blob, "/plb/opb/ebc", "ranges", - val, sizeof(val), 1); - if (rc) - printf("Unable to update property NOR mapping, err=%s\n", + /* 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 /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ +#endif /* CONFIG_NAND_U_BOOT */