diff options
author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
---|---|---|
committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/u-boot/drivers/bootcount | |
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/drivers/bootcount')
-rw-r--r-- | qemu/roms/u-boot/drivers/bootcount/Makefile | 12 | ||||
-rw-r--r-- | qemu/roms/u-boot/drivers/bootcount/bootcount.c | 84 | ||||
-rw-r--r-- | qemu/roms/u-boot/drivers/bootcount/bootcount_at91.c | 31 | ||||
-rw-r--r-- | qemu/roms/u-boot/drivers/bootcount/bootcount_blackfin.c | 34 | ||||
-rw-r--r-- | qemu/roms/u-boot/drivers/bootcount/bootcount_davinci.c | 42 | ||||
-rw-r--r-- | qemu/roms/u-boot/drivers/bootcount/bootcount_env.c | 29 | ||||
-rw-r--r-- | qemu/roms/u-boot/drivers/bootcount/bootcount_i2c.c | 44 | ||||
-rw-r--r-- | qemu/roms/u-boot/drivers/bootcount/bootcount_ram.c | 60 |
8 files changed, 336 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/drivers/bootcount/Makefile b/qemu/roms/u-boot/drivers/bootcount/Makefile new file mode 100644 index 000000000..6f1c419c7 --- /dev/null +++ b/qemu/roms/u-boot/drivers/bootcount/Makefile @@ -0,0 +1,12 @@ +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y += bootcount.o +obj-$(CONFIG_AT91SAM9XE) += bootcount_at91.o +obj-$(CONFIG_BLACKFIN) += bootcount_blackfin.o +obj-$(CONFIG_SOC_DA8XX) += bootcount_davinci.o +obj-$(CONFIG_BOOTCOUNT_AM33XX) += bootcount_davinci.o +obj-$(CONFIG_BOOTCOUNT_RAM) += bootcount_ram.o +obj-$(CONFIG_BOOTCOUNT_ENV) += bootcount_env.o +obj-$(CONFIG_BOOTCOUNT_I2C) += bootcount_i2c.o diff --git a/qemu/roms/u-boot/drivers/bootcount/bootcount.c b/qemu/roms/u-boot/drivers/bootcount/bootcount.c new file mode 100644 index 000000000..3ad441393 --- /dev/null +++ b/qemu/roms/u-boot/drivers/bootcount/bootcount.c @@ -0,0 +1,84 @@ +/* + * (C) Copyright 2010-2012 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <bootcount.h> +#include <linux/compiler.h> + +/* + * Only override CONFIG_SYS_BOOTCOUNT_ADDR if not already defined. This + * way, some boards can define it directly in their config header. + */ +#if !defined(CONFIG_SYS_BOOTCOUNT_ADDR) + +#if defined(CONFIG_MPC5xxx) +#define CONFIG_SYS_BOOTCOUNT_ADDR (MPC5XXX_CDM_BRDCRMB) +#define CONFIG_SYS_BOOTCOUNT_SINGLEWORD +#endif /* defined(CONFIG_MPC5xxx) */ + +#if defined(CONFIG_MPC512X) +#define CONFIG_SYS_BOOTCOUNT_ADDR (&((immap_t *)CONFIG_SYS_IMMR)->clk.bcr) +#define CONFIG_SYS_BOOTCOUNT_SINGLEWORD +#endif /* defined(CONFIG_MPC512X) */ + +#if defined(CONFIG_8xx) +#define CONFIG_SYS_BOOTCOUNT_ADDR (((immap_t *)CONFIG_SYS_IMMR)->im_cpm.cp_dpmem + \ + CPM_BOOTCOUNT_ADDR) +#endif /* defined(CONFIG_8xx) */ + +#if defined(CONFIG_MPC8260) +#include <asm/cpm_8260.h> + +#define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_IMMR + CPM_BOOTCOUNT_ADDR) +#endif /* defined(CONFIG_MPC8260) */ + +#if defined(CONFIG_QE) +#include <asm/immap_qe.h> + +#define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_IMMR + 0x110000 + \ + QE_MURAM_SIZE - 2 * sizeof(u32)) +#endif /* defined(CONFIG_MPC8360) */ + +#if defined(CONFIG_4xx) +#define CONFIG_SYS_BOOTCOUNT_ADDR (CONFIG_SYS_OCM_DATA_ADDR + \ + CONFIG_SYS_BOOTCOUNT_ADDR) +#endif /* defined(CONFIG_4xx) */ + +#endif /* !defined(CONFIG_SYS_BOOTCOUNT_ADDR) */ + +/* Now implement the generic default functions */ +#if defined(CONFIG_SYS_BOOTCOUNT_ADDR) +__weak void bootcount_store(ulong a) +{ + void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR; + +#if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD) + raw_bootcount_store(reg, (BOOTCOUNT_MAGIC & 0xffff0000) | a); +#else + raw_bootcount_store(reg, a); + raw_bootcount_store(reg + 4, BOOTCOUNT_MAGIC); +#endif +} + +__weak ulong bootcount_load(void) +{ + void *reg = (void *)CONFIG_SYS_BOOTCOUNT_ADDR; + +#if defined(CONFIG_SYS_BOOTCOUNT_SINGLEWORD) + u32 tmp = raw_bootcount_load(reg); + + if ((tmp & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) + return 0; + else + return (tmp & 0x0000ffff); +#else + if (raw_bootcount_load(reg + 4) != BOOTCOUNT_MAGIC) + return 0; + else + return raw_bootcount_load(reg); +#endif +} +#endif diff --git a/qemu/roms/u-boot/drivers/bootcount/bootcount_at91.c b/qemu/roms/u-boot/drivers/bootcount/bootcount_at91.c new file mode 100644 index 000000000..9c2bbfaf6 --- /dev/null +++ b/qemu/roms/u-boot/drivers/bootcount/bootcount_at91.c @@ -0,0 +1,31 @@ +/* + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_gpbr.h> + +/* + * We combine the BOOTCOUNT_MAGIC and bootcount in one 32-bit register. + * This is done so we need to use only one of the four GPBR registers. + */ +void bootcount_store(ulong a) +{ + at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR; + + writel((BOOTCOUNT_MAGIC & 0xffff0000) | (a & 0x0000ffff), + &gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]); +} + +ulong bootcount_load(void) +{ + at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR; + + ulong val = readl(&gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]); + if ((val & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) + return 0; + else + return val & 0x0000ffff; +} diff --git a/qemu/roms/u-boot/drivers/bootcount/bootcount_blackfin.c b/qemu/roms/u-boot/drivers/bootcount/bootcount_blackfin.c new file mode 100644 index 000000000..6cf6dd58b --- /dev/null +++ b/qemu/roms/u-boot/drivers/bootcount/bootcount_blackfin.c @@ -0,0 +1,34 @@ +/* + * functions for handling bootcount support + * + * Copyright (c) 2010 Analog Devices Inc. + * + * Licensed under the 2-clause BSD. + */ + +/* This version uses one 32bit storage and combines the magic/count */ + +#include <common.h> + +/* We abuse the EVT0 MMR for bootcount storage by default */ +#ifndef CONFIG_SYS_BOOTCOUNT_ADDR +# define CONFIG_SYS_BOOTCOUNT_ADDR EVT0 +#endif + +#define MAGIC_MASK 0xffff0000 +#define COUNT_MASK 0x0000ffff + +void bootcount_store(ulong cnt) +{ + ulong magic = (BOOTCOUNT_MAGIC & MAGIC_MASK) | (cnt & COUNT_MASK); + bfin_write32(CONFIG_SYS_BOOTCOUNT_ADDR, magic); +} + +ulong bootcount_load(void) +{ + ulong magic = bfin_read32(CONFIG_SYS_BOOTCOUNT_ADDR); + if ((magic & MAGIC_MASK) == (BOOTCOUNT_MAGIC & MAGIC_MASK)) + return magic & COUNT_MASK; + else + return 0; +} diff --git a/qemu/roms/u-boot/drivers/bootcount/bootcount_davinci.c b/qemu/roms/u-boot/drivers/bootcount/bootcount_davinci.c new file mode 100644 index 000000000..fa87b5e7b --- /dev/null +++ b/qemu/roms/u-boot/drivers/bootcount/bootcount_davinci.c @@ -0,0 +1,42 @@ +/* + * (C) Copyright 2011 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * A bootcount driver for the RTC IP block found on many TI platforms. + * This requires the RTC clocks, etc, to be enabled prior to use and + * not all boards with this IP block on it will have the RTC in use. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <bootcount.h> +#include <asm/davinci_rtc.h> + +void bootcount_store(ulong a) +{ + struct davinci_rtc *reg = + (struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR; + + /* + * write RTC kick register to enable write + * for RTC Scratch registers. Scratch0 and 1 are + * used for bootcount values. + */ + writel(RTC_KICK0R_WE, ®->kick0r); + writel(RTC_KICK1R_WE, ®->kick1r); + raw_bootcount_store(®->scratch2, + (BOOTCOUNT_MAGIC & 0xffff0000) | (a & 0x0000ffff)); +} + +ulong bootcount_load(void) +{ + unsigned long val; + struct davinci_rtc *reg = + (struct davinci_rtc *)CONFIG_SYS_BOOTCOUNT_ADDR; + + val = raw_bootcount_load(®->scratch2); + if ((val & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) + return 0; + else + return val & 0x0000ffff; +} diff --git a/qemu/roms/u-boot/drivers/bootcount/bootcount_env.c b/qemu/roms/u-boot/drivers/bootcount/bootcount_env.c new file mode 100644 index 000000000..2d6e8db12 --- /dev/null +++ b/qemu/roms/u-boot/drivers/bootcount/bootcount_env.c @@ -0,0 +1,29 @@ +/* + * (C) Copyright 2013 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> + +void bootcount_store(ulong a) +{ + int upgrade_available = getenv_ulong("upgrade_available", 10, 0); + + if (upgrade_available) { + setenv_ulong("bootcount", a); + saveenv(); + } +} + +ulong bootcount_load(void) +{ + int upgrade_available = getenv_ulong("upgrade_available", 10, 0); + ulong val = 0; + + if (upgrade_available) + val = getenv_ulong("bootcount", 10, 0); + + return val; +} diff --git a/qemu/roms/u-boot/drivers/bootcount/bootcount_i2c.c b/qemu/roms/u-boot/drivers/bootcount/bootcount_i2c.c new file mode 100644 index 000000000..e27b168c5 --- /dev/null +++ b/qemu/roms/u-boot/drivers/bootcount/bootcount_i2c.c @@ -0,0 +1,44 @@ +/* + * (C) Copyright 2013 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <bootcount.h> +#include <linux/compiler.h> +#include <i2c.h> + +#define BC_MAGIC 0xbc + +void bootcount_store(ulong a) +{ + unsigned char buf[3]; + int ret; + + buf[0] = BC_MAGIC; + buf[1] = (a & 0xff); + ret = i2c_write(CONFIG_SYS_I2C_RTC_ADDR, CONFIG_SYS_BOOTCOUNT_ADDR, + CONFIG_BOOTCOUNT_ALEN, buf, 2); + if (ret != 0) + puts("Error writing bootcount\n"); +} + +ulong bootcount_load(void) +{ + unsigned char buf[3]; + int ret; + + ret = i2c_read(CONFIG_SYS_I2C_RTC_ADDR, CONFIG_SYS_BOOTCOUNT_ADDR, + CONFIG_BOOTCOUNT_ALEN, buf, 2); + if (ret != 0) { + puts("Error loading bootcount\n"); + return 0; + } + if (buf[0] == BC_MAGIC) + return buf[1]; + + bootcount_store(0); + + return 0; +} diff --git a/qemu/roms/u-boot/drivers/bootcount/bootcount_ram.c b/qemu/roms/u-boot/drivers/bootcount/bootcount_ram.c new file mode 100644 index 000000000..5bdabcd56 --- /dev/null +++ b/qemu/roms/u-boot/drivers/bootcount/bootcount_ram.c @@ -0,0 +1,60 @@ +/* + * (C) Copyright 2010 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> + +DECLARE_GLOBAL_DATA_PTR; + +const ulong patterns[] = { 0x00000000, + 0xFFFFFFFF, + 0xFF00FF00, + 0x0F0F0F0F, + 0xF0F0F0F0}; +const ulong NBR_OF_PATTERNS = sizeof(patterns) / sizeof(*patterns); +const ulong OFFS_PATTERN = 3; +const ulong REPEAT_PATTERN = 1000; + +void bootcount_store(ulong a) +{ + ulong *save_addr; + ulong size = 0; + int i; + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) + size += gd->bd->bi_dram[i].size; + save_addr = (ulong *)(size - BOOTCOUNT_ADDR); + writel(a, save_addr); + writel(BOOTCOUNT_MAGIC, &save_addr[1]); + + for (i = 0; i < REPEAT_PATTERN; i++) + writel(patterns[i % NBR_OF_PATTERNS], + &save_addr[i + OFFS_PATTERN]); + +} + +ulong bootcount_load(void) +{ + ulong *save_addr; + ulong size = 0; + ulong counter = 0; + int i, tmp; + + for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) + size += gd->bd->bi_dram[i].size; + save_addr = (ulong *)(size - BOOTCOUNT_ADDR); + + counter = readl(&save_addr[0]); + + /* Is the counter reliable, check in the big pattern for bit errors */ + for (i = 0; (i < REPEAT_PATTERN) && (counter != 0); i++) { + tmp = readl(&save_addr[i + OFFS_PATTERN]); + if (tmp != patterns[i % NBR_OF_PATTERNS]) + counter = 0; + } + return counter; +} |