diff options
Diffstat (limited to 'u-boot/board/amcc/sequoia/sequoia.c')
| -rw-r--r-- | u-boot/board/amcc/sequoia/sequoia.c | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/u-boot/board/amcc/sequoia/sequoia.c b/u-boot/board/amcc/sequoia/sequoia.c new file mode 100644 index 0000000..b518aa7 --- /dev/null +++ b/u-boot/board/amcc/sequoia/sequoia.c @@ -0,0 +1,426 @@ +/* + * (C) Copyright 2006-2009 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * (C) Copyright 2006 + * Jacqueline Pira-Ferriol, AMCC/IBM, jpira-ferriol@fr.ibm.com + * Alain Saurel, AMCC/IBM, alain.saurel@fr.ibm.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. + * + * 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> +#include <asm/ppc4xx.h> +#include <asm/ppc4xx-gpio.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <asm/bitops.h> + +DECLARE_GLOBAL_DATA_PTR; + +#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); + +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) +{ + u32 sdr0_cust0; + u32 sdr0_pfc1, sdr0_pfc2; + u32 reg; + + 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 */ + + /* Check and reconfigure the PCI sync clock if necessary */ + ppc4xx_pci_sync_clock_config(get_async_pci_freq()); + + /* 50MHz tmrclk */ + out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x04, 0x00); + + /* clear write protects */ + out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x07, 0x00); + + /* enable Ethernet */ + out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x08, 0x00); + + /* enable USB device */ + out_8((u8 *) CONFIG_SYS_BCSR_BASE + 0x09, 0x20); + + /* select Ethernet (and optionally IIC1) pins */ + mfsdr(SDR0_PFC1, sdr0_pfc1); + 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; + mtsdr(SDR0_PFC2, sdr0_pfc2); + mtsdr(SDR0_PFC1, sdr0_pfc1); + + /* PCI arbiter enabled */ + mfsdr(SDR0_PCI0, reg); + mtsdr(SDR0_PCI0, 0x80000000 | reg); + + /* setup NAND FLASH */ + mfsdr(SDR0_CUST0, sdr0_cust0); + sdr0_cust0 = SDR0_CUST0_MUX_NDFC_SEL | + SDR0_CUST0_NDFC_ENABLE | + SDR0_CUST0_NDFC_BW_8_BIT | + SDR0_CUST0_NDFC_ARE_MASK | + (0x80000000 >> (28 + CONFIG_SYS_NAND_CS)); + mtsdr(SDR0_CUST0, sdr0_cust0); + + return 0; +} + +int misc_init_r(void) +{ +#if !defined(CONFIG_SYS_NO_FLASH) + uint pbcr; + int size_val = 0; +#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) || \ + defined(CONFIG_SYS_RAMBOOT) + mtdcr(EBC0_CFGADDR, PB3CR); +#else + mtdcr(EBC0_CFGADDR, PB0CR); +#endif + 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) || \ + defined(CONFIG_SYS_RAMBOOT) + mtdcr(EBC0_CFGADDR, PB3CR); +#else + mtdcr(EBC0_CFGADDR, PB0CR); +#endif + mtdcr(EBC0_CFGDATA, pbcr); + + /* + * Re-check to get correct base address + */ + flash_get_size(gd->bd->bi_flashstart, 0); + +#ifdef CONFIG_ENV_IS_IN_FLASH + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + -CONFIG_SYS_MONITOR_LEN, + 0xffffffff, + &flash_info[0]); + + /* Env protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, + 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) { + /* SDR Setting */ + mfsdr(SDR0_PFC1, sdr0_pfc1); + mfsdr(SDR0_USB2D0CR, usb2d0cr); + mfsdr(SDR0_USB2PHY0CR, usb2phy0cr); + mfsdr(SDR0_USB2H0CR, usb2h0cr); + + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_16BIT_30MHZ; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; + + /* + * 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; + + /* + * 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; + + sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK; + sdr0_pfc1 = sdr0_pfc1 | SDR0_PFC1_UES_USB2D_SEL; + + mtsdr(SDR0_PFC1, sdr0_pfc1); + mtsdr(SDR0_USB2D0CR, usb2d0cr); + mtsdr(SDR0_USB2PHY0CR, usb2phy0cr); + mtsdr(SDR0_USB2H0CR, usb2h0cr); + + /*clear resets*/ + udelay (1000); + mtsdr(SDR0_SRST1, 0x00000000); + udelay (1000); + mtsdr(SDR0_SRST0, 0x00000000); + + printf("USB: Host(int phy) Device(ext phy)\n"); + + } else if (strcmp(act, "dev") == 0) { + /*-------------------PATCH-------------------------------*/ + mfsdr(SDR0_USB2PHY0CR, usb2phy0cr); + + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PURDIS; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_HOST; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_HOST; + mtsdr(SDR0_USB2PHY0CR, usb2phy0cr); + + udelay (1000); + mtsdr(SDR0_SRST1, 0x672c6000); + + udelay (1000); + mtsdr(SDR0_SRST0, 0x00000080); + + udelay (1000); + mtsdr(SDR0_SRST1, 0x60206000); + + *(unsigned int *)(0xe0000350) = 0x00000001; + + udelay (1000); + mtsdr(SDR0_SRST1, 0x60306000); + /*-------------------PATCH-------------------------------*/ + + /* SDR Setting */ + mfsdr(SDR0_USB2PHY0CR, usb2phy0cr); + mfsdr(SDR0_USB2H0CR, usb2h0cr); + mfsdr(SDR0_USB2D0CR, usb2d0cr); + mfsdr(SDR0_PFC1, sdr0_pfc1); + + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_XOCLK_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_XOCLK_EXTERNAL; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_WDINT_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_WDINT_8BIT_60MHZ; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DVBUS_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DVBUS_PUREN; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_DWNSTR_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_DWNSTR_DEV; + usb2phy0cr = usb2phy0cr &~SDR0_USB2PHY0CR_UTMICN_MASK; + usb2phy0cr = usb2phy0cr | SDR0_USB2PHY0CR_UTMICN_DEV; + + usb2h0cr = usb2h0cr &~SDR0_USB2H0CR_WDINT_MASK; + usb2h0cr = usb2h0cr | SDR0_USB2H0CR_WDINT_8BIT_60MHZ; + + usb2d0cr = usb2d0cr &~SDR0_USB2D0CR_USB2DEV_EBC_SEL_MASK; + usb2d0cr = usb2d0cr | SDR0_USB2D0CR_EBC_SELECTION; + + sdr0_pfc1 = sdr0_pfc1 &~SDR0_PFC1_UES_MASK; + 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 */ + udelay (1000); + mtsdr(SDR0_SRST1, 0x00000000); + udelay (1000); + mtsdr(SDR0_SRST0, 0x00000000); + + printf("USB: Device(int phy)\n"); + } +#endif /* CONFIG_440EPX */ + + mfsdr(SDR0_SRST1, reg); /* enable security/kasumi engines */ + reg &= ~(SDR0_SRST1_CRYP0 | SDR0_SRST1_KASU0); + mtsdr(SDR0_SRST1, reg); + + /* + * Clear PLB4A0_ACR[WRP] + * This fix will make the MAL burst disabling patch for the Linux + * EMAC driver obsolete. + */ + reg = mfdcr(PLB4A0_ACR) & ~PLB4Ax_ACR_WRP_MASK; + mtdcr(PLB4A0_ACR, reg); + + return 0; +} + +int checkboard(void) +{ + char *s = getenv("serial#"); + u8 rev; + u32 clock = get_async_pci_freq(); + +#ifdef CONFIG_440EPX + printf("Board: Sequoia - AMCC PPC440EPx Evaluation Board"); +#else + printf("Board: Rainier - AMCC PPC440GRx Evaluation Board"); +#endif + + rev = in_8((void *)(CONFIG_SYS_BCSR_BASE + 0)); + printf(", Rev. %X, PCI-Async=%d MHz", rev, clock / 1000000); + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + 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); +} + +#if defined(CONFIG_PCI) && defined(CONFIG_PCI_PNP) +/* + * Assign interrupts to PCI devices. + */ +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) +/* + * 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) +{ + 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; + } + + /* 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_NAND_U_BOOT */ |