diff options
author | 2015-08-28 09:58:54 +0800 | |
---|---|---|
committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/board/v38b | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/u-boot/board/v38b')
-rw-r--r-- | qemu/roms/u-boot/board/v38b/Makefile | 8 | ||||
-rw-r--r-- | qemu/roms/u-boot/board/v38b/ethaddr.c | 197 | ||||
-rw-r--r-- | qemu/roms/u-boot/board/v38b/v38b.c | 260 |
3 files changed, 465 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/v38b/Makefile b/qemu/roms/u-boot/board/v38b/Makefile new file mode 100644 index 000000000..a20a5ef0e --- /dev/null +++ b/qemu/roms/u-boot/board/v38b/Makefile @@ -0,0 +1,8 @@ +# +# (C) Copyright 2003-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := v38b.o ethaddr.o diff --git a/qemu/roms/u-boot/board/v38b/ethaddr.c b/qemu/roms/u-boot/board/v38b/ethaddr.c new file mode 100644 index 000000000..982998fad --- /dev/null +++ b/qemu/roms/u-boot/board/v38b/ethaddr.c @@ -0,0 +1,197 @@ +/* + * (C) Copyright 2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mpc5xxx.h> + +/* For the V38B board the pin is GPIO_PSC_6 */ +#define GPIO_PIN GPIO_PSC6_0 + +#define NO_ERROR 0 +#define ERR_NO_NUMBER 1 +#define ERR_BAD_NUMBER 2 + +static int is_high(void); +static int check_device(void); +static void io_out(int value); +static void io_input(void); +static void io_output(void); +static void init_gpio(void); +static void read_byte(unsigned char *data); +static void write_byte(unsigned char command); + +void read_2501_memory(unsigned char *psernum, unsigned char *perr); +void board_get_enetaddr(uchar *enetaddr); + + +static int is_high() +{ + return (*((vu_long *) MPC5XXX_WU_GPIO_DATA_I) & GPIO_PIN); +} + +static void io_out(int value) +{ + if (value) + *((vu_long *) MPC5XXX_WU_GPIO_DATA_O) |= GPIO_PIN; + else + *((vu_long *) MPC5XXX_WU_GPIO_DATA_O) &= ~GPIO_PIN; +} + +static void io_input() +{ + *((vu_long *) MPC5XXX_WU_GPIO_DIR) &= ~GPIO_PIN; + udelay(3); /* allow input to settle */ +} + +static void io_output() +{ + *((vu_long *) MPC5XXX_WU_GPIO_DIR) |= GPIO_PIN; +} + +static void init_gpio() +{ + *((vu_long *) MPC5XXX_WU_GPIO_ENABLE) |= GPIO_PIN; /* Enable appropriate pin */ +} + +void read_2501_memory(unsigned char *psernum, unsigned char *perr) +{ +#define NBYTES 28 + unsigned char crcval, i; + unsigned char buf[NBYTES]; + + *perr = 0; + crcval = 0; + + for (i = 0; i < NBYTES; i++) + buf[i] = 0; + + if (!check_device()) + *perr = ERR_NO_NUMBER; + else { + *perr = NO_ERROR; + write_byte(0xCC); /* skip ROM (0xCC) */ + write_byte(0xF0); /* Read memory command 0xF0 */ + write_byte(0x00); /* Address TA1=0, TA2=0 */ + write_byte(0x00); + read_byte(&crcval); /* Read CRC of address and command */ + + for (i = 0; i < NBYTES; i++) + read_byte(&buf[i]); + } + if (strncmp((const char *) &buf[11], "MAREL IEEE 802.3", 16)) { + *perr = ERR_BAD_NUMBER; + psernum[0] = 0x00; + psernum[1] = 0xE0; + psernum[2] = 0xEE; + psernum[3] = 0xFF; + psernum[4] = 0xFF; + psernum[5] = 0xFF; + } else { + psernum[0] = 0x00; + psernum[1] = 0xE0; + psernum[2] = 0xEE; + psernum[3] = buf[7]; + psernum[4] = buf[6]; + psernum[5] = buf[5]; + } +} + +static int check_device() +{ + int found; + + io_output(); + io_out(0); + udelay(500); /* must be at least 480 us low pulse */ + + io_input(); + udelay(60); + + found = (is_high() == 0) ? 1 : 0; + udelay(500); /* must be at least 480 us low pulse */ + + return found; +} + +static void write_byte(unsigned char command) +{ + char i; + + for (i = 0; i < 8; i++) { + /* 1 us to 15 us low pulse starts bit slot */ + /* Start with high pulse for 3 us */ + io_input(); + udelay(3); + + io_out(0); + io_output(); + udelay(3); + + if (command & 0x01) { + /* 60 us high for 1-bit */ + io_input(); + udelay(60); + } else + /* 60 us low for 0-bit */ + udelay(60); + /* Leave pin as input */ + io_input(); + + command = command >> 1; + } +} + +static void read_byte(unsigned char *data) +{ + unsigned char i, rdat = 0; + + for (i = 0; i < 8; i++) { + /* read one bit from one-wire device */ + + /* 1 - 15 us low starts bit slot */ + io_out(0); + io_output(); + udelay(0); + + /* allow line to be pulled high */ + io_input(); + + /* delay 10 us */ + udelay(10); + + /* now sample input status */ + if (is_high()) + rdat = (rdat >> 1) | 0x80; + else + rdat = rdat >> 1; + + udelay(60); /* at least 60 us */ + } + /* copy the return value */ + *data = rdat; +} + +void board_get_enetaddr(uchar *enetaddr) +{ + unsigned char sn[6], err = NO_ERROR; + + init_gpio(); + + read_2501_memory(sn, &err); + + if (err == NO_ERROR) { + sprintf((char *)enetaddr, "%02x:%02x:%02x:%02x:%02x:%02x", + sn[0], sn[1], sn[2], sn[3], sn[4], sn[5]); + printf("MAC address: %s\n", enetaddr); + setenv("ethaddr", (char *)enetaddr); + } else { + sprintf((char *)enetaddr, "00:01:02:03:04:05"); + printf("Error reading MAC address.\n"); + printf("Setting default to %s\n", enetaddr); + setenv("ethaddr", (char *)enetaddr); + } +} diff --git a/qemu/roms/u-boot/board/v38b/v38b.c b/qemu/roms/u-boot/board/v38b/v38b.c new file mode 100644 index 000000000..a33772991 --- /dev/null +++ b/qemu/roms/u-boot/board/v38b/v38b.c @@ -0,0 +1,260 @@ +/* + * (C) Copyright 2003-2006 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2004 + * Mark Jonas, Freescale Semiconductor, mark.jonas@motorola.com. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mpc5xxx.h> +#include <net.h> +#include <asm/processor.h> + + +#ifndef CONFIG_SYS_RAMBOOT +static void sdram_start(int hi_addr) +{ + long hi_addr_bit = hi_addr ? 0x01000000 : 0; + + /* unlock mode register */ + *(vu_long *) MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000000 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* precharge all banks */ + *(vu_long *) MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; + __asm__ volatile ("sync"); + +#if SDRAM_DDR + /* set mode register: extended mode */ + *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_EMODE; + __asm__ volatile ("sync"); + + /* set mode register: reset DLL */ + *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE | 0x04000000; + __asm__ volatile ("sync"); +#endif /* SDRAM_DDR */ + + /* precharge all banks */ + *(vu_long *) MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000002 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* auto refresh */ + *(vu_long *) MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | 0x80000004 | hi_addr_bit; + __asm__ volatile ("sync"); + + /* set mode register */ + *(vu_long *) MPC5XXX_SDRAM_MODE = SDRAM_MODE; + __asm__ volatile ("sync"); + + /* normal operation */ + *(vu_long *) MPC5XXX_SDRAM_CTRL = SDRAM_CONTROL | hi_addr_bit; + __asm__ volatile ("sync"); +} +#endif /* !CONFIG_SYS_RAMBOOT */ + + +phys_size_t initdram(int board_type) +{ + ulong dramsize = 0; + ulong dramsize2 = 0; + uint svr, pvr; + +#ifndef CONFIG_SYS_RAMBOOT + ulong test1, test2; + + /* setup SDRAM chip selects */ + *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0x0000001e; /* 2G at 0x0 */ + *(vu_long *) MPC5XXX_SDRAM_CS1CFG = 0x80000000; /* disabled */ + __asm__ volatile ("sync"); + + /* setup config registers */ + *(vu_long *) MPC5XXX_SDRAM_CONFIG1 = SDRAM_CONFIG1; + *(vu_long *) MPC5XXX_SDRAM_CONFIG2 = SDRAM_CONFIG2; + __asm__ volatile ("sync"); + +#if SDRAM_DDR + /* set tap delay */ + *(vu_long *) MPC5XXX_CDM_PORCFG = SDRAM_TAPDELAY; + __asm__ volatile ("sync"); +#endif /* SDRAM_DDR */ + + /* find RAM size using SDRAM CS0 only */ + sdram_start(0); + test1 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000); + sdram_start(1); + test2 = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, 0x80000000); + if (test1 > test2) { + sdram_start(0); + dramsize = test1; + } else + dramsize = test2; + + /* memory smaller than 1MB is impossible */ + if (dramsize < (1 << 20)) + dramsize = 0; + + /* set SDRAM CS0 size according to the amount of RAM found */ + if (dramsize > 0) + *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0x13 + __builtin_ffs(dramsize >> 20) - 1; + else + *(vu_long *) MPC5XXX_SDRAM_CS0CFG = 0; /* disabled */ + + /* let SDRAM CS1 start right after CS0 */ + *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + 0x0000001e;/* 2G */ + + /* find RAM size using SDRAM CS1 only */ + if (!dramsize) + sdram_start(0); + test2 = test1 = get_ram_size((long *) (CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000); + if (!dramsize) { + sdram_start(1); + test2 = get_ram_size((long *) (CONFIG_SYS_SDRAM_BASE + dramsize), 0x80000000); + } + if (test1 > test2) { + sdram_start(0); + dramsize2 = test1; + } else + dramsize2 = test2; + + /* memory smaller than 1MB is impossible */ + if (dramsize2 < (1 << 20)) + dramsize2 = 0; + + /* set SDRAM CS1 size according to the amount of RAM found */ + if (dramsize2 > 0) + *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize + | (0x13 + __builtin_ffs(dramsize2 >> 20) - 1); + else + *(vu_long *) MPC5XXX_SDRAM_CS1CFG = dramsize; /* disabled */ + +#else /* CONFIG_SYS_RAMBOOT */ + + /* retrieve size of memory connected to SDRAM CS0 */ + dramsize = *(vu_long *) MPC5XXX_SDRAM_CS0CFG & 0xFF; + if (dramsize >= 0x13) + dramsize = (1 << (dramsize - 0x13)) << 20; + else + dramsize = 0; + + /* retrieve size of memory connected to SDRAM CS1 */ + dramsize2 = *(vu_long *) MPC5XXX_SDRAM_CS1CFG & 0xFF; + if (dramsize2 >= 0x13) + dramsize2 = (1 << (dramsize2 - 0x13)) << 20; + else + dramsize2 = 0; + +#endif /* CONFIG_SYS_RAMBOOT */ + + /* + * On MPC5200B we need to set the special configuration delay in the + * DDR controller. Please refer to Freescale's AN3221 "MPC5200B SDRAM + * Initialization and Configuration", 3.3.1 SDelay--MBAR + 0x0190: + * + * "The SDelay should be written to a value of 0x00000004. It is + * required to account for changes caused by normal wafer processing + * parameters." + */ + svr = get_svr(); + pvr = get_pvr(); + if ((SVR_MJREV(svr) >= 2) && + (PVR_MAJ(pvr) == 1) && (PVR_MIN(pvr) == 4)) { + + *(vu_long *) MPC5XXX_SDRAM_SDELAY = 0x04; + __asm__ volatile ("sync"); + } + + return dramsize + dramsize2; +} + + +int checkboard (void) +{ + puts("Board: MarelV38B\n"); + return 0; +} + +int board_early_init_f(void) +{ +#ifdef CONFIG_HW_WATCHDOG + /* + * Enable and configure the direction (output) of PSC3_9 - watchdog + * reset input. Refer to 7.3.2.2.[1,3,4] of the MPC5200B User's + * Manual. + */ + *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC3_9; + *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC3_9; +#endif /* CONFIG_HW_WATCHDOG */ + return 0; +} + +int board_early_init_r(void) +{ + /* + * Now, when we are in RAM, enable flash write access for the + * detection process. Note that CS_BOOT cannot be cleared when + * executing in flash. + */ + *(vu_long *) MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */ + + /* + * Enable GPIO_WKUP_7 to "read the status of the actual power + * situation". Default direction is input, so no need to set it + * explicitly. + */ + *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_WKUP_7; + return 0; +} + +extern void board_get_enetaddr(uchar *enetaddr); +int misc_init_r(void) +{ + uchar enetaddr[6]; + + if (!eth_getenv_enetaddr("ethaddr", enetaddr)) { + board_get_enetaddr(enetaddr); + eth_setenv_enetaddr("ethaddr", enetaddr); + } + + return 0; +} + +#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET) +void init_ide_reset(void) +{ + debug("init_ide_reset\n"); + + /* Configure PSC1_4 as GPIO output for ATA reset */ + *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4; + *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4; + /* Deassert reset */ + *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4; +} + + +void ide_set_reset(int idereset) +{ + debug("ide_reset(%d)\n", idereset); + + if (idereset) { + *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4; + /* Make a delay. MPC5200 spec says 25 usec min */ + udelay(500000); + } else + *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4; +} +#endif + + +#ifdef CONFIG_HW_WATCHDOG +void hw_watchdog_reset(void) +{ + /* + * MarelV38B has a TPS3705 watchdog. Spec says that to kick the dog + * we need a positive or negative transition on WDI i.e., our PSC3_9. + */ + *(vu_long *) MPC5XXX_WU_GPIO_DATA_O ^= GPIO_PSC3_9; +} +#endif /* CONFIG_HW_WATCHDOG */ |