diff options
Diffstat (limited to 'roms/u-boot/board/mpc8308_p1m')
-rw-r--r-- | roms/u-boot/board/mpc8308_p1m/Kconfig | 9 | ||||
-rw-r--r-- | roms/u-boot/board/mpc8308_p1m/MAINTAINERS | 6 | ||||
-rw-r--r-- | roms/u-boot/board/mpc8308_p1m/Makefile | 8 | ||||
-rw-r--r-- | roms/u-boot/board/mpc8308_p1m/mpc8308_p1m.c | 92 | ||||
-rw-r--r-- | roms/u-boot/board/mpc8308_p1m/sdram.c | 80 |
5 files changed, 195 insertions, 0 deletions
diff --git a/roms/u-boot/board/mpc8308_p1m/Kconfig b/roms/u-boot/board/mpc8308_p1m/Kconfig new file mode 100644 index 000000000..b7e39dafb --- /dev/null +++ b/roms/u-boot/board/mpc8308_p1m/Kconfig @@ -0,0 +1,9 @@ +if TARGET_MPC8308_P1M + +config SYS_BOARD + default "mpc8308_p1m" + +config SYS_CONFIG_NAME + default "mpc8308_p1m" + +endif diff --git a/roms/u-boot/board/mpc8308_p1m/MAINTAINERS b/roms/u-boot/board/mpc8308_p1m/MAINTAINERS new file mode 100644 index 000000000..80d8de771 --- /dev/null +++ b/roms/u-boot/board/mpc8308_p1m/MAINTAINERS @@ -0,0 +1,6 @@ +MPC8308_P1M BOARD +M: Ilya Yanok <yanok@emcraft.com> +S: Maintained +F: board/mpc8308_p1m/ +F: include/configs/mpc8308_p1m.h +F: configs/mpc8308_p1m_defconfig diff --git a/roms/u-boot/board/mpc8308_p1m/Makefile b/roms/u-boot/board/mpc8308_p1m/Makefile new file mode 100644 index 000000000..4ec3b0cda --- /dev/null +++ b/roms/u-boot/board/mpc8308_p1m/Makefile @@ -0,0 +1,8 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# (C) Copyright 2010 +# Ilya Yanok, Emcraft Systems, yanok@emcraft.com + +obj-y := mpc8308_p1m.o sdram.o diff --git a/roms/u-boot/board/mpc8308_p1m/mpc8308_p1m.c b/roms/u-boot/board/mpc8308_p1m/mpc8308_p1m.c new file mode 100644 index 000000000..87607bd48 --- /dev/null +++ b/roms/u-boot/board/mpc8308_p1m/mpc8308_p1m.c @@ -0,0 +1,92 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2010 Freescale Semiconductor, Inc. + * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com + */ + +#include <common.h> +#include <i2c.h> +#include <init.h> +#include <net.h> +#include <linux/delay.h> +#include <linux/libfdt.h> +#include <fdt_support.h> +#include <pci.h> +#include <mpc83xx.h> +#include <netdev.h> +#include <asm/io.h> +#include <asm/fsl_serdes.h> +#include <asm/fsl_mpc83xx_serdes.h> + +int checkboard(void) +{ + printf("Board: MPC8308 P1M\n"); + + return 0; +} + +static struct pci_region pcie_regions_0[] = { + { + .bus_start = CONFIG_SYS_PCIE1_MEM_BASE, + .phys_start = CONFIG_SYS_PCIE1_MEM_PHYS, + .size = CONFIG_SYS_PCIE1_MEM_SIZE, + .flags = PCI_REGION_MEM, + }, + { + .bus_start = CONFIG_SYS_PCIE1_IO_BASE, + .phys_start = CONFIG_SYS_PCIE1_IO_PHYS, + .size = CONFIG_SYS_PCIE1_IO_SIZE, + .flags = PCI_REGION_IO, + }, +}; + +void pci_init_board(void) +{ + immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + sysconf83xx_t *sysconf = &immr->sysconf; + law83xx_t *pcie_law = sysconf->pcielaw; + struct pci_region *pcie_reg[] = { pcie_regions_0 }; + + fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX, + FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V); + + /* Deassert the resets in the control register */ + out_be32(&sysconf->pecr1, 0xE0008000); + udelay(2000); + + /* Configure PCI Express Local Access Windows */ + out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR); + out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB); + + mpc83xx_pcie_init(1, pcie_reg); +} + +#if defined(CONFIG_OF_BOARD_SETUP) +int ft_board_setup(void *blob, struct bd_info *bd) +{ + ft_cpu_setup(blob, bd); + fsl_fdt_fixup_dr_usb(blob, bd); + + return 0; +} +#endif + +int board_eth_init(struct bd_info *bis) +{ + int rv, num_if = 0; + + /* Initialize TSECs first */ + rv = cpu_eth_init(bis); + if (rv >= 0) + num_if += rv; + else + printf("ERROR: failed to initialize TSECs.\n"); + + rv = pci_eth_init(bis); + if (rv >= 0) + num_if += rv; + else + printf("ERROR: failed to initialize PCI Ethernet.\n"); + + return num_if; +} diff --git a/roms/u-boot/board/mpc8308_p1m/sdram.c b/roms/u-boot/board/mpc8308_p1m/sdram.c new file mode 100644 index 000000000..62a2d8a53 --- /dev/null +++ b/roms/u-boot/board/mpc8308_p1m/sdram.c @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2007 Freescale Semiconductor, Inc. + * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com + * + * This files is mostly identical to the original from + * board/freescale/mpc8308rdb/sdram.c + */ + +#include <common.h> +#include <init.h> +#include <mpc83xx.h> +#include <asm/global_data.h> + +#include <asm/bitops.h> +#include <asm/io.h> + +#include <asm/processor.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* Fixed sdram init -- doesn't use serial presence detect. + * + * This is useful for faster booting in configs where the RAM is unlikely + * to be changed, or for things like NAND booting where space is tight. + */ +static long fixed_sdram(void) +{ + immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + u32 msize = CONFIG_SYS_DDR_SIZE * 1024 * 1024; + u32 msize_log2 = __ilog2(msize); + + out_be32(&im->sysconf.ddrlaw[0].bar, + CONFIG_SYS_SDRAM_BASE & 0xfffff000); + out_be32(&im->sysconf.ddrlaw[0].ar, LBLAWAR_EN | (msize_log2 - 1)); + out_be32(&im->sysconf.ddrcdr, CONFIG_SYS_DDRCDR_VALUE); + + out_be32(&im->ddr.csbnds[0].csbnds, (msize - 1) >> 24); + out_be32(&im->ddr.cs_config[0], CONFIG_SYS_DDR_CS0_CONFIG); + + /* Currently we use only one CS, so disable the other bank. */ + out_be32(&im->ddr.cs_config[1], 0); + + out_be32(&im->ddr.sdram_clk_cntl, CONFIG_SYS_DDR_SDRAM_CLK_CNTL); + out_be32(&im->ddr.timing_cfg_3, CONFIG_SYS_DDR_TIMING_3); + out_be32(&im->ddr.timing_cfg_1, CONFIG_SYS_DDR_TIMING_1); + out_be32(&im->ddr.timing_cfg_2, CONFIG_SYS_DDR_TIMING_2); + out_be32(&im->ddr.timing_cfg_0, CONFIG_SYS_DDR_TIMING_0); + + out_be32(&im->ddr.sdram_cfg, CONFIG_SYS_DDR_SDRAM_CFG); + out_be32(&im->ddr.sdram_cfg2, CONFIG_SYS_DDR_SDRAM_CFG2); + out_be32(&im->ddr.sdram_mode, CONFIG_SYS_DDR_MODE); + out_be32(&im->ddr.sdram_mode2, CONFIG_SYS_DDR_MODE2); + + out_be32(&im->ddr.sdram_interval, CONFIG_SYS_DDR_INTERVAL); + sync(); + + /* enable DDR controller */ + setbits_be32(&im->ddr.sdram_cfg, SDRAM_CFG_MEM_EN); + sync(); + + return get_ram_size(CONFIG_SYS_SDRAM_BASE, msize); +} + +int dram_init(void) +{ + immap_t *im = (immap_t *)CONFIG_SYS_IMMR; + u32 msize; + + if ((in_be32(&im->sysconf.immrbar) & IMMRBAR_BASE_ADDR) != (u32)im) + return -1; + + /* DDR SDRAM */ + msize = fixed_sdram(); + + /* set total bus SDRAM size(bytes) -- DDR */ + gd->ram_size = msize; + + return 0; +} |