diff options
Diffstat (limited to 'qemu/roms/u-boot/board/freescale/mpc832xemds')
| -rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc832xemds/Makefile | 9 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc832xemds/README | 128 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc832xemds/mpc832xemds.c | 164 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/freescale/mpc832xemds/pci.c | 146 |
4 files changed, 447 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/freescale/mpc832xemds/Makefile b/qemu/roms/u-boot/board/freescale/mpc832xemds/Makefile new file mode 100644 index 000000000..66763519a --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc832xemds/Makefile @@ -0,0 +1,9 @@ +# +# (C) Copyright 2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += mpc832xemds.o +obj-$(CONFIG_PCI) += pci.o diff --git a/qemu/roms/u-boot/board/freescale/mpc832xemds/README b/qemu/roms/u-boot/board/freescale/mpc832xemds/README new file mode 100644 index 000000000..4142aa9c8 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc832xemds/README @@ -0,0 +1,128 @@ +Freescale MPC832XEMDS Board +----------------------------------------- +1. Board Switches and Jumpers +1.0 There are five Dual-In-Line Packages(DIP) Switches on MPC832XE SYS board + For some reason, the HW designers describe the switch settings + in terms of 0 and 1, and then map that to physical switches where + the label "On" refers to logic 0 and "Off" is logic 1. + + Switch bits are numbered 1 through, like, 4 6 8 or 10, but the + bits may contribute to signals that are numbered based at 0, + and some of those signals may be high-bit-number-0 too. Heed + well the names and labels and do not get confused. + + "Off" == 1 + "On" == 0 + + SW3 is switch 18 as silk-screened onto the board. + SW4[8] is the bit labeled 8 on Switch 4. + SW5[1:6] refers to bits labeled 1 through 6 in order on switch 5. + SW6[7:1] refers to bits labeled 7 through 1 in order on switch 6. + SW7[1:8]= 0000_0001 refers to bits labeled 1 through 6 is set as "On" + and bits labeled 8 is set as "Off". + +1.1 For the MPC832XEMDS PROTO Board + + First, make sure the board default setting is consistent with the document + shipped with your board. Then apply the following setting: + SW3[1-8]= 0000_1000 (core PLL setting, core enable) + SW4[1-8]= 0001_0010 (Flash boot on local bus, system PLL setting) + SW5[1-8]= 0010_0110 (Boot from high end) + SW6[1-8]= 0011_0100 (Flash boot on 16 bit local bus) + SW7[1-8]= 1000_0011 (QE PLL setting) + + ENET3/4 MII mode settings: + J1 1-2 (ETH3_TXER) + J2 2-3 (MII mode) + J3 2-3 (MII mode) + J4 2-3 (ADSL clockOscillator) + J5 1-2 (ETH4_TXER) + J6 2-3 (ClockOscillator) + JP1 removed (don't force PORESET) + JP2 mounted (ETH4/2 MII) + JP3 mounted (ETH3 MII) + JP4 mounted (HRCW from BCSR) + + ENET3/4 RMII mode settings: + J1 1-2 (ETH3_TXER) + J2 1-2 (RMII mode) + J3 1-2 (RMII mode) + J4 2-3 (ADSL clockOscillator) + J5 1-2 (ETH4_TXER) + J6 2-3 (ClockOscillator) + JP1 removed (don't force PORESET) + JP2 removed (ETH4/2 RMII) + JP3 removed (ETH3 RMII) + JP4 removed (HRCW from FLASH) + + on board Oscillator: 66M + + +2. Memory Map + +2.1 The memory map should look pretty much like this: + + 0x0000_0000 0x7fff_ffff DDR 2G + 0x8000_0000 0x8fff_ffff PCI MEM prefetch 256M + 0x9000_0000 0x9fff_ffff PCI MEM non-prefetch 256M + 0xc000_0000 0xdfff_ffff Empty 512M + 0xe000_0000 0xe01f_ffff Int Mem Reg Space 2M + 0xe020_0000 0xe02f_ffff Empty 1M + 0xe030_0000 0xe03f_ffff PCI IO 1M + 0xe040_0000 0xefff_ffff Empty 252M + 0xf400_0000 0xf7ff_ffff Empty 64M + 0xf800_0000 0xf800_7fff BCSR on CS1 32K + 0xf800_8000 0xf800_ffff PIB CS2 32K + 0xf801_0000 0xf801_7fff PIB CS3 32K + 0xfe00_0000 0xfeff_ffff FLASH on CS0 16M + + +3. Definitions + +3.1 Explanation of NEW definitions in: + + include/configs/MPC832XEPB.h + + CONFIG_MPC83xx MPC83xx family for MPC8349, MPC8360 and MPC832x + CONFIG_MPC832x MPC832x specific + CONFIG_MPC832XEMDS MPC832XEMDS board specific + +4. Compilation + + Assuming you're using BASH shell: + + export CROSS_COMPILE=your-cross-compile-prefix + cd u-boot + make distclean + make MPC832XEMDS_config + make + + MPC832x support PCI 33MHz and PCI 66MHz, to make u-boot support PCI: + + 1)Make sure the DIP SW support PCI mode as described in Section 1.1. + + 2)To Make U-Boot image support PCI 33MHz, use + Make MPC832XEMDS_HOST_33_config + + 3)To Make U-Boot image support PCI 66MHz, use + Make MPC832XEMDS_HOST_66M_config + +5. Downloading and Flashing Images + +5.0 Download over network: + + tftp 10000 u-boot.bin + +5.1 Reflash U-boot Image using U-boot + + tftp 20000 u-boot.bin + protect off fe000000 fe0fffff + erase fe000000 fe0fffff + cp.b 20000 fe000000 xxxx + +You have to supply the correct byte count with 'xxxx' from the TFTP result log. +Maybe 3ffff will work too, that corresponds to the erased sectors. + + +6. Notes + 1) The console baudrate for MPC832XEMDS is 115200bps. diff --git a/qemu/roms/u-boot/board/freescale/mpc832xemds/mpc832xemds.c b/qemu/roms/u-boot/board/freescale/mpc832xemds/mpc832xemds.c new file mode 100644 index 000000000..b7ea0e44c --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc832xemds/mpc832xemds.c @@ -0,0 +1,164 @@ +/* + * Copyright (C) 2006 Freescale Semiconductor, Inc. + * + * Dave Liu <daveliu@freescale.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <ioports.h> +#include <mpc83xx.h> +#include <i2c.h> +#include <miiphy.h> +#include <command.h> +#if defined(CONFIG_PCI) +#include <pci.h> +#endif +#include <asm/mmu.h> +#if defined(CONFIG_OF_LIBFDT) +#include <libfdt.h> +#endif +#if defined(CONFIG_PQ_MDS_PIB) +#include "../common/pq-mds-pib.h" +#endif + +const qe_iop_conf_t qe_iop_conf_tab[] = { + /* ETH3 */ + {1, 0, 1, 0, 1}, /* TxD0 */ + {1, 1, 1, 0, 1}, /* TxD1 */ + {1, 2, 1, 0, 1}, /* TxD2 */ + {1, 3, 1, 0, 1}, /* TxD3 */ + {1, 9, 1, 0, 1}, /* TxER */ + {1, 12, 1, 0, 1}, /* TxEN */ + {3, 24, 2, 0, 1}, /* TxCLK->CLK10 */ + + {1, 4, 2, 0, 1}, /* RxD0 */ + {1, 5, 2, 0, 1}, /* RxD1 */ + {1, 6, 2, 0, 1}, /* RxD2 */ + {1, 7, 2, 0, 1}, /* RxD3 */ + {1, 8, 2, 0, 1}, /* RxER */ + {1, 10, 2, 0, 1}, /* RxDV */ + {0, 13, 2, 0, 1}, /* RxCLK->CLK9 */ + {1, 11, 2, 0, 1}, /* COL */ + {1, 13, 2, 0, 1}, /* CRS */ + + /* ETH4 */ + {1, 18, 1, 0, 1}, /* TxD0 */ + {1, 19, 1, 0, 1}, /* TxD1 */ + {1, 20, 1, 0, 1}, /* TxD2 */ + {1, 21, 1, 0, 1}, /* TxD3 */ + {1, 27, 1, 0, 1}, /* TxER */ + {1, 30, 1, 0, 1}, /* TxEN */ + {3, 6, 2, 0, 1}, /* TxCLK->CLK8 */ + + {1, 22, 2, 0, 1}, /* RxD0 */ + {1, 23, 2, 0, 1}, /* RxD1 */ + {1, 24, 2, 0, 1}, /* RxD2 */ + {1, 25, 2, 0, 1}, /* RxD3 */ + {1, 26, 1, 0, 1}, /* RxER */ + {1, 28, 2, 0, 1}, /* Rx_DV */ + {3, 31, 2, 0, 1}, /* RxCLK->CLK7 */ + {1, 29, 2, 0, 1}, /* COL */ + {1, 31, 2, 0, 1}, /* CRS */ + + {3, 4, 3, 0, 2}, /* MDIO */ + {3, 5, 1, 0, 2}, /* MDC */ + + {0, 0, 0, 0, QE_IOP_TAB_END}, /* END of table */ +}; + +int board_early_init_f(void) +{ + volatile u8 *bcsr = (volatile u8 *)CONFIG_SYS_BCSR; + + /* Enable flash write */ + bcsr[9] &= ~0x08; + + return 0; +} + +int board_early_init_r(void) +{ +#ifdef CONFIG_PQ_MDS_PIB + pib_init(); +#endif + return 0; +} + +int fixed_sdram(void); + +phys_size_t initdram(int board_type) +{ + volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; + u32 msize = 0; + + if ((im->sysconf.immrbar & IMMRBAR_BASE_ADDR) != (u32) im) + return -1; + + /* DDR SDRAM - Main SODIMM */ + im->sysconf.ddrlaw[0].bar = CONFIG_SYS_DDR_BASE & LAWBAR_BAR; + + msize = fixed_sdram(); + + /* return total bus SDRAM size(bytes) -- DDR */ + return (msize * 1024 * 1024); +} + +/************************************************************************* + * fixed sdram init -- doesn't use serial presence detect. + ************************************************************************/ +int fixed_sdram(void) +{ + volatile immap_t *im = (immap_t *) CONFIG_SYS_IMMR; + u32 msize = 0; + u32 ddr_size; + u32 ddr_size_log2; + + msize = CONFIG_SYS_DDR_SIZE; + for (ddr_size = msize << 20, ddr_size_log2 = 0; + (ddr_size > 1); ddr_size = ddr_size >> 1, ddr_size_log2++) { + if (ddr_size & 1) { + return -1; + } + } + im->sysconf.ddrlaw[0].ar = + LAWAR_EN | ((ddr_size_log2 - 1) & LAWAR_SIZE); +#if (CONFIG_SYS_DDR_SIZE != 128) +#warning Currenly any ddr size other than 128 is not supported +#endif + im->ddr.sdram_clk_cntl = CONFIG_SYS_DDR_CLK_CNTL; + im->ddr.csbnds[0].csbnds = CONFIG_SYS_DDR_CS0_BNDS; + im->ddr.cs_config[0] = CONFIG_SYS_DDR_CS0_CONFIG; + im->ddr.timing_cfg_0 = CONFIG_SYS_DDR_TIMING_0; + im->ddr.timing_cfg_1 = CONFIG_SYS_DDR_TIMING_1; + im->ddr.timing_cfg_2 = CONFIG_SYS_DDR_TIMING_2; + im->ddr.timing_cfg_3 = CONFIG_SYS_DDR_TIMING_3; + im->ddr.sdram_cfg = CONFIG_SYS_DDR_SDRAM_CFG; + im->ddr.sdram_cfg2 = CONFIG_SYS_DDR_SDRAM_CFG2; + im->ddr.sdram_mode = CONFIG_SYS_DDR_MODE; + im->ddr.sdram_mode2 = CONFIG_SYS_DDR_MODE2; + im->ddr.sdram_interval = CONFIG_SYS_DDR_INTERVAL; + __asm__ __volatile__ ("sync"); + udelay(200); + + im->ddr.sdram_cfg |= SDRAM_CFG_MEM_EN; + __asm__ __volatile__ ("sync"); + return msize; +} + +int checkboard(void) +{ + puts("Board: Freescale MPC832XEMDS\n"); + return 0; +} + +#if defined(CONFIG_OF_BOARD_SETUP) +void ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); +#ifdef CONFIG_PCI + ft_pci_setup(blob, bd); +#endif +} +#endif diff --git a/qemu/roms/u-boot/board/freescale/mpc832xemds/pci.c b/qemu/roms/u-boot/board/freescale/mpc832xemds/pci.c new file mode 100644 index 000000000..e8b2b11d8 --- /dev/null +++ b/qemu/roms/u-boot/board/freescale/mpc832xemds/pci.c @@ -0,0 +1,146 @@ +/* + * Copyright (C) 2006-2009 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * PCI Configuration space access support for MPC83xx PCI Bridge + */ +#include <asm/mmu.h> +#include <asm/io.h> +#include <common.h> +#include <mpc83xx.h> +#include <pci.h> +#include <i2c.h> +#include <asm/fsl_i2c.h> +#include "../common/pq-mds-pib.h" + +DECLARE_GLOBAL_DATA_PTR; + +static struct pci_region pci1_regions[] = { + { + bus_start: CONFIG_SYS_PCI1_MEM_BASE, + phys_start: CONFIG_SYS_PCI1_MEM_PHYS, + size: CONFIG_SYS_PCI1_MEM_SIZE, + flags: PCI_REGION_MEM | PCI_REGION_PREFETCH + }, + { + bus_start: CONFIG_SYS_PCI1_IO_BASE, + phys_start: CONFIG_SYS_PCI1_IO_PHYS, + size: CONFIG_SYS_PCI1_IO_SIZE, + flags: PCI_REGION_IO + }, + { + bus_start: CONFIG_SYS_PCI1_MMIO_BASE, + phys_start: CONFIG_SYS_PCI1_MMIO_PHYS, + size: CONFIG_SYS_PCI1_MMIO_SIZE, + flags: PCI_REGION_MEM + }, +}; + +#ifdef CONFIG_MPC83XX_PCI2 +static struct pci_region pci2_regions[] = { + { + bus_start: CONFIG_SYS_PCI2_MEM_BASE, + phys_start: CONFIG_SYS_PCI2_MEM_PHYS, + size: CONFIG_SYS_PCI2_MEM_SIZE, + flags: PCI_REGION_MEM | PCI_REGION_PREFETCH + }, + { + bus_start: CONFIG_SYS_PCI2_IO_BASE, + phys_start: CONFIG_SYS_PCI2_IO_PHYS, + size: CONFIG_SYS_PCI2_IO_SIZE, + flags: PCI_REGION_IO + }, + { + bus_start: CONFIG_SYS_PCI2_MMIO_BASE, + phys_start: CONFIG_SYS_PCI2_MMIO_PHYS, + size: CONFIG_SYS_PCI2_MMIO_SIZE, + flags: PCI_REGION_MEM + }, +}; +#endif + +void pci_init_board(void) +#ifdef CONFIG_PCISLAVE +{ + volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; + volatile law83xx_t *pci_law = immr->sysconf.pcilaw; + volatile pcictrl83xx_t *pci_ctrl = &immr->pci_ctrl[0]; + struct pci_region *reg[] = { pci1_regions }; + + /* Configure PCI Local Access Windows */ + pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR; + pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_1G; + + pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR; + pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_4M; + + mpc83xx_pci_init(1, reg); + + /* + * Configure PCI Inbound Translation Windows + */ + pci_ctrl[0].pitar0 = 0x0; + pci_ctrl[0].pibar0 = 0x0; + pci_ctrl[0].piwar0 = PIWAR_EN | PIWAR_RTT_SNOOP | + PIWAR_WTT_SNOOP | PIWAR_IWS_4K; + + pci_ctrl[0].pitar1 = 0x0; + pci_ctrl[0].pibar1 = 0x0; + pci_ctrl[0].piebar1 = 0x0; + pci_ctrl[0].piwar1 &= ~PIWAR_EN; + + pci_ctrl[0].pitar2 = 0x0; + pci_ctrl[0].pibar2 = 0x0; + pci_ctrl[0].piebar2 = 0x0; + pci_ctrl[0].piwar2 &= ~PIWAR_EN; + + /* Unlock the configuration bit */ + mpc83xx_pcislave_unlock(0); + printf("PCI: Agent mode enabled\n"); +} +#else +{ + volatile immap_t *immr = (volatile immap_t *)CONFIG_SYS_IMMR; + volatile clk83xx_t *clk = (volatile clk83xx_t *)&immr->clk; + volatile law83xx_t *pci_law = immr->sysconf.pcilaw; +#ifndef CONFIG_MPC83XX_PCI2 + struct pci_region *reg[] = { pci1_regions }; +#else + struct pci_region *reg[] = { pci1_regions, pci2_regions }; +#endif + + /* initialize the PCA9555PW IO expander on the PIB board */ + pib_init(); + +#if defined(CONFIG_PCI_66M) + clk->occr = OCCR_PCICOE0 | OCCR_PCICOE1 | OCCR_PCICOE2; + printf("PCI clock is 66MHz\n"); +#elif defined(CONFIG_PCI_33M) + clk->occr = OCCR_PCICOE0 | OCCR_PCICOE1 | OCCR_PCICOE2 | + OCCR_PCICD0 | OCCR_PCICD1 | OCCR_PCICD2 | OCCR_PCICR; + printf("PCI clock is 33MHz\n"); +#else + clk->occr = OCCR_PCICOE0 | OCCR_PCICOE1 | OCCR_PCICOE2; + printf("PCI clock is 66MHz\n"); +#endif + udelay(2000); + + /* Configure PCI Local Access Windows */ + pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR; + pci_law[0].ar = LAWAR_EN | LAWAR_SIZE_512M; + + pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR; + pci_law[1].ar = LAWAR_EN | LAWAR_SIZE_1M; + + udelay(2000); + +#ifndef CONFIG_MPC83XX_PCI2 + mpc83xx_pci_init(1, reg); +#else + mpc83xx_pci_init(2, reg); +#endif +} +#endif /* CONFIG_PCISLAVE */ |