diff options
Diffstat (limited to 'u-boot/board/freescale/p1_p2_rdb/p1_p2_rdb.c')
| -rw-r--r-- | u-boot/board/freescale/p1_p2_rdb/p1_p2_rdb.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/u-boot/board/freescale/p1_p2_rdb/p1_p2_rdb.c b/u-boot/board/freescale/p1_p2_rdb/p1_p2_rdb.c new file mode 100644 index 0000000..0780942 --- /dev/null +++ b/u-boot/board/freescale/p1_p2_rdb/p1_p2_rdb.c @@ -0,0 +1,240 @@ +/* + * Copyright 2009-2011 Freescale Semiconductor, Inc. + * + * 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 <command.h> +#include <asm/processor.h> +#include <asm/mmu.h> +#include <asm/cache.h> +#include <asm/immap_85xx.h> +#include <asm/fsl_serdes.h> +#include <asm/io.h> +#include <miiphy.h> +#include <libfdt.h> +#include <fdt_support.h> +#include <tsec.h> +#include <vsc7385.h> +#include <netdev.h> +#include <rtc.h> + +DECLARE_GLOBAL_DATA_PTR; + +#define VSC7385_RST_SET 0x00080000 +#define SLIC_RST_SET 0x00040000 +#define SGMII_PHY_RST_SET 0x00020000 +#define PCIE_RST_SET 0x00010000 +#define RGMII_PHY_RST_SET 0x02000000 + +#define USB_RST_CLR 0x04000000 + +#define GPIO_DIR 0x060f0000 + +#define BOARD_PERI_RST_SET VSC7385_RST_SET | SLIC_RST_SET | \ + SGMII_PHY_RST_SET | PCIE_RST_SET | \ + RGMII_PHY_RST_SET + +#define SYSCLK_MASK 0x00200000 +#define BOARDREV_MASK 0x10100000 +#define BOARDREV_B 0x10100000 +#define BOARDREV_C 0x00100000 +#define BOARDREV_D 0x00000000 + +#define SYSCLK_66 66666666 +#define SYSCLK_50 50000000 +#define SYSCLK_100 100000000 + +unsigned long get_board_sys_clk(ulong dummy) +{ + volatile ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR); + u32 val_gpdat, sysclk_gpio, board_rev_gpio; + + val_gpdat = in_be32(&pgpio->gpdat); + sysclk_gpio = val_gpdat & SYSCLK_MASK; + board_rev_gpio = val_gpdat & BOARDREV_MASK; + if (board_rev_gpio == BOARDREV_C) { + if(sysclk_gpio == 0) + return SYSCLK_66; + else + return SYSCLK_100; + } else if (board_rev_gpio == BOARDREV_B) { + if(sysclk_gpio == 0) + return SYSCLK_66; + else + return SYSCLK_50; + } else if (board_rev_gpio == BOARDREV_D) { + if(sysclk_gpio == 0) + return SYSCLK_66; + else + return SYSCLK_100; + } + return 0; +} + +#ifdef CONFIG_MMC +int board_early_init_f (void) +{ + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + + setbits_be32(&gur->pmuxcr, + (MPC85xx_PMUXCR_SDHC_CD | + MPC85xx_PMUXCR_SDHC_WP)); + return 0; +} +#endif + +int checkboard (void) +{ + u32 val_gpdat, board_rev_gpio; + volatile ccsr_gpio_t *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR); + char board_rev = 0; + struct cpu_type *cpu; + + val_gpdat = in_be32(&pgpio->gpdat); + board_rev_gpio = val_gpdat & BOARDREV_MASK; + if (board_rev_gpio == BOARDREV_C) + board_rev = 'C'; + else if (board_rev_gpio == BOARDREV_B) + board_rev = 'B'; + else if (board_rev_gpio == BOARDREV_D) + board_rev = 'D'; + else + panic ("Unexpected Board REV %x detected!!\n", board_rev_gpio); + + cpu = gd->cpu; + printf ("Board: %sRDB Rev%c\n", cpu->name, board_rev); + setbits_be32(&pgpio->gpdir, GPIO_DIR); + +/* + * Bringing the following peripherals out of reset via GPIOs + * 0 = reset and 1 = out of reset + * GPIO12 - Reset to Ethernet Switch + * GPIO13 - Reset to SLIC/SLAC devices + * GPIO14 - Reset to SGMII_PHY_N + * GPIO15 - Reset to PCIe slots + * GPIO6 - Reset to RGMII PHY + * GPIO5 - Reset to USB3300 devices 1 = reset and 0 = out of reset + */ + clrsetbits_be32(&pgpio->gpdat, USB_RST_CLR, BOARD_PERI_RST_SET); + + return 0; +} + +int board_early_init_r(void) +{ + const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; + const u8 flash_esel = find_tlb_idx((void *)flashbase, 1); + + /* + * Remap Boot flash region to caching-inhibited + * so that flash can be erased properly. + */ + + /* Flush d-cache and invalidate i-cache of any FLASH data */ + flush_dcache(); + invalidate_icache(); + + /* invalidate existing TLB entry for flash */ + disable_tlb(flash_esel); + + set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, + MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G, + 0, flash_esel, BOOKE_PAGESZ_16M, 1); + rtc_reset(); + return 0; +} + + +#ifdef CONFIG_TSEC_ENET +int board_eth_init(bd_t *bis) +{ + struct tsec_info_struct tsec_info[4]; + int num = 0; + char *tmp; + unsigned int vscfw_addr; + +#ifdef CONFIG_TSEC1 + SET_STD_TSEC_INFO(tsec_info[num], 1); + num++; +#endif +#ifdef CONFIG_TSEC2 + SET_STD_TSEC_INFO(tsec_info[num], 2); + num++; +#endif +#ifdef CONFIG_TSEC3 + SET_STD_TSEC_INFO(tsec_info[num], 3); + if (is_serdes_configured(SGMII_TSEC3)) { + puts("eTSEC3 is in sgmii mode.\n"); + tsec_info[num].flags |= TSEC_SGMII; + } + num++; +#endif + if (!num) { + printf("No TSECs initialized\n"); + return 0; + } +#ifdef CONFIG_VSC7385_ENET +/* If a VSC7385 microcode image is present, then upload it. */ + if ((tmp = getenv ("vscfw_addr")) != NULL) { + vscfw_addr = simple_strtoul (tmp, NULL, 16); + printf("uploading VSC7385 microcode from %x\n", vscfw_addr); + if (vsc7385_upload_firmware((void *) vscfw_addr, + CONFIG_VSC7385_IMAGE_SIZE)) + puts("Failure uploading VSC7385 microcode.\n"); + } else + puts("No address specified for VSC7385 microcode.\n"); +#endif + + tsec_eth_init(bis, tsec_info, num); + + return pci_eth_init(bis); +} +#endif + +#if defined(CONFIG_OF_BOARD_SETUP) +extern void ft_pci_board_setup(void *blob); + +void ft_board_setup(void *blob, bd_t *bd) +{ + phys_addr_t base; + phys_size_t size; + + ft_cpu_setup(blob, bd); + + base = getenv_bootm_low(); + size = getenv_bootm_size(); + +#if defined(CONFIG_PCI) + ft_pci_board_setup(blob); +#endif /* #if defined(CONFIG_PCI) */ + + fdt_fixup_memory(blob, (u64)base, (u64)size); +} +#endif + +#ifdef CONFIG_MP +extern void cpu_mp_lmb_reserve(struct lmb *lmb); + +void board_lmb_reserve(struct lmb *lmb) +{ + cpu_mp_lmb_reserve(lmb); +} +#endif |