| /openbmc/qemu/hw/rtc/ |
| H A D | m48t59.c | 2 * QEMU M48T59 and M48T08 NVRAM emulation for PPC PREP and Sparc platforms
93 M48t59State *NVRAM = opaque; in alarm_cb() local
95 qemu_set_irq(NVRAM->IRQ, 1); in alarm_cb()
96 if ((NVRAM->buffer[0x1FF5] & 0x80) == 0 && in alarm_cb()
97 (NVRAM->buffer[0x1FF4] & 0x80) == 0 && in alarm_cb()
98 (NVRAM->buffer[0x1FF3] & 0x80) == 0 && in alarm_cb()
99 (NVRAM->buffer[0x1FF2] & 0x80) == 0) { in alarm_cb()
101 qemu_get_timedate(&tm, NVRAM->time_offset); in alarm_cb()
107 next_time = qemu_timedate_diff(&tm) - NVRAM->time_offset; in alarm_cb()
108 } else if ((NVRAM->buffer[0x1FF5] & 0x80) != 0 && in alarm_cb()
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| H A D | ds1338.c | 2 * MAXIM DS1338 I2C RTC+NVRAM
21 /* Size of NVRAM including both the user-accessible area and the
40 uint8_t nvram[NVRAM_SIZE]; member
53 VMSTATE_UINT8_ARRAY(nvram, DS1338State, NVRAM_SIZE),
67 s->nvram[0] = to_bcd(now.tm_sec); in capture_current_time()
68 s->nvram[1] = to_bcd(now.tm_min); in capture_current_time()
69 if (s->nvram[2] & HOURS_12) { in capture_current_time()
75 s->nvram[2] = HOURS_12 | to_bcd(tmp); in capture_current_time()
77 s->nvram[2] = HOURS_12 | HOURS_PM | to_bcd(tmp - 12); in capture_current_time()
80 s->nvram[2] = to_bcd(now.tm_hour); in capture_current_time()
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| H A D | m48t59-internal.h | 2 * QEMU M48T59 and M48T08 NVRAM emulation (common header)
32 * PPC platform there is also a nvram lock function.
54 /* NVRAM storage */
58 /* NVRAM storage */
63 uint32_t m48t59_read(M48t59State *NVRAM, uint32_t addr);
64 void m48t59_write(M48t59State *NVRAM, uint32_t addr, uint32_t val);
65 void m48t59_reset_common(M48t59State *NVRAM);
68 static inline void m48t59_toggle_lock(M48t59State *NVRAM, int lock) in m48t59_toggle_lock() argument
70 NVRAM->lock ^= 1 << lock; in m48t59_toggle_lock()
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| /openbmc/qemu/hw/nvram/ |
| H A D | spapr_nvram.c | 2 * QEMU sPAPR NVRAM emulation
36 #include "hw/nvram/chrp_nvram.h"
51 #define TYPE_VIO_SPAPR_NVRAM "spapr-nvram"
63 SpaprNvram *nvram = spapr->nvram; in OBJECT_DECLARE_SIMPLE_TYPE() local
72 if (!nvram) { in OBJECT_DECLARE_SIMPLE_TYPE()
83 || ((offset + len) > nvram->size)) { in OBJECT_DECLARE_SIMPLE_TYPE()
89 assert(nvram->buf); in OBJECT_DECLARE_SIMPLE_TYPE()
92 memcpy(membuf, nvram->buf + offset, len); in OBJECT_DECLARE_SIMPLE_TYPE()
104 SpaprNvram *nvram = spapr->nvram; in rtas_nvram_store() local
114 if (!nvram) { in rtas_nvram_store()
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| H A D | mac_nvram.c | 2 * PowerMac NVRAM emulation
28 #include "hw/nvram/chrp_nvram.h"
29 #include "hw/nvram/mac_nvram.h"
42 /* macio style NVRAM device */
53 error_report("%s: write of NVRAM data to backing store failed", in macio_nvram_writeb()
108 "could not get length of nvram backing image"); in macio_nvram_realizefn()
112 "invalid size nvram backing image"); in macio_nvram_realizefn()
120 error_setg(errp, "can't read-nvram contents"); in macio_nvram_realizefn()
126 "macio-nvram", s->size << s->it_shift); in macio_nvram_realizefn()
168 /* Set up a system OpenBIOS NVRAM partition */
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| /openbmc/linux/drivers/scsi/sym53c8xx_2/ |
| H A D | sym_nvram.c | 21 * NVRAM detection and reading.
35 * Get host setup from NVRAM.
37 void sym_nvram_setup_host(struct Scsi_Host *shost, struct sym_hcb *np, struct sym_nvram *nvram) in sym_nvram_setup_host() argument
41 * and miscellaneous host flags from NVRAM. in sym_nvram_setup_host()
43 switch (nvram->type) { in sym_nvram_setup_host()
45 if (!(nvram->data.Symbios.flags & SYMBIOS_PARITY_ENABLE)) in sym_nvram_setup_host()
47 np->myaddr = nvram->data.Symbios.host_id & 0x0f; in sym_nvram_setup_host()
48 if (nvram->data.Symbios.flags & SYMBIOS_VERBOSE_MSGS) in sym_nvram_setup_host()
50 if (nvram->data.Symbios.flags1 & SYMBIOS_SCAN_HI_LO) in sym_nvram_setup_host()
52 if (nvram->data.Symbios.flags2 & SYMBIOS_AVOID_BUS_RESET) in sym_nvram_setup_host()
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| /openbmc/qemu/hw/ppc/ |
| H A D | prep.c | 75 /* NVRAM helpers */
76 static inline uint32_t nvram_read(Nvram *nvram, uint32_t addr) in nvram_read() argument
78 NvramClass *k = NVRAM_GET_CLASS(nvram); in nvram_read()
79 return (k->read)(nvram, addr); in nvram_read()
82 static inline void nvram_write(Nvram *nvram, uint32_t addr, uint32_t val) in nvram_write() argument
84 NvramClass *k = NVRAM_GET_CLASS(nvram); in nvram_write()
85 (k->write)(nvram, addr, val); in nvram_write()
88 static void NVRAM_set_byte(Nvram *nvram, uint32_t addr, uint8_t value) in NVRAM_set_byte() argument
90 nvram_write(nvram, addr, value); in NVRAM_set_byte()
93 static uint8_t NVRAM_get_byte(Nvram *nvram, uint32_t addr) in NVRAM_get_byte() argument
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| /openbmc/linux/include/linux/ |
| H A D | bcm963xx_nvram.h | 11 * Broadcom BCM963xx SoC board nvram data structure.
13 * The nvram structure varies in size depending on the SoC board version. Use
51 #define BCM963XX_NVRAM_NAND_PART_OFFSET(nvram, part) \ argument
52 bcm963xx_nvram_nand_part_offset(nvram, BCM963XX_NVRAM_NAND_PART_ ##part)
55 const struct bcm963xx_nvram *nvram, in bcm963xx_nvram_nand_part_offset() argument
58 return nvram->nand_part_offset[part] * SZ_1K; in bcm963xx_nvram_nand_part_offset()
61 #define BCM963XX_NVRAM_NAND_PART_SIZE(nvram, part) \ argument
62 bcm963xx_nvram_nand_part_size(nvram, BCM963XX_NVRAM_NAND_PART_ ##part)
65 const struct bcm963xx_nvram *nvram, in bcm963xx_nvram_nand_part_size() argument
68 return nvram->nand_part_size[part] * SZ_1K; in bcm963xx_nvram_nand_part_size()
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| H A D | nvram.h | 6 #include <uapi/linux/nvram.h>
13 * struct nvram_ops - NVRAM functionality made available to drivers
14 * @read: validate checksum (if any) then load a range of bytes from NVRAM
15 * @write: store a range of bytes to NVRAM then update checksum (if any)
16 * @read_byte: load a single byte from NVRAM
17 * @write_byte: store a single byte to NVRAM
18 * @get_size: return the fixed number of bytes in the NVRAM
20 * Architectures which provide an nvram ops struct need not implement all
21 * of these methods. If the NVRAM hardware can be accessed only one byte
23 * If the NVRAM has a checksum (and it is to be checked) the .read and
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| /openbmc/linux/drivers/char/ |
| H A D | nvram.c | 12 * "NVRAM" (NV stands for non-volatile).
14 * The data are supplied as a (seekable) character device, /dev/nvram. The
19 * Checksums over the NVRAM contents are managed by this driver. In case of a
21 * to a sane state either by ioctl(NVRAM_INIT) (clear whole NVRAM) or
35 #include <linux/nvram.h>
53 #include <asm/nvram.h>
71 * purpose memory in the NVRAM - that is to say, they all add the
72 * NVRAM_FIRST_BYTE offset. Pass them offsets into NVRAM as if you did not
219 * The are the file operation function for user access to /dev/nvram
288 pr_warn("nvram: Using obsolete PMAC_NVRAM_GET_OFFSET ioctl\n"); in nvram_misc_ioctl()
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| /openbmc/linux/arch/m68k/atari/ |
| H A D | nvram.c | 3 * CMOS/NV-RAM driver for Atari. Adapted from drivers/char/nvram.c.
15 #include <linux/nvram.h>
26 * purpose memory in the NVRAM - that is to say, they all add the
27 * NVRAM_FIRST_BYTE offset. Pass them offsets into NVRAM as if you did not
178 static void atari_nvram_proc_read(unsigned char *nvram, struct seq_file *seq, in atari_nvram_proc_read() argument
193 if (nvram[1] == boot_prefs[i].val) { in atari_nvram_proc_read()
198 seq_printf(seq, "0x%02x (undefined)\n", nvram[1]); in atari_nvram_proc_read()
201 (nvram[16] & 0x80) ? "on" : "off"); in atari_nvram_proc_read()
203 if (nvram[16] & 0x80) in atari_nvram_proc_read()
204 seq_printf(seq, "%d\n", nvram[16] & 7); in atari_nvram_proc_read()
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| /openbmc/linux/drivers/net/wireless/broadcom/brcm80211/brcmfmac/ |
| H A D | firmware.c | 40 * @nvram: output buffer with parse result.
48 * @boardrev_found: nvram contains boardrev information.
54 u8 *nvram; member
67 * is_nvram_char() - check if char is a valid one for NVRAM entry
160 memcpy(&nvp->nvram[nvp->nvram_len], skv, cplen); in brcmf_nvram_handle_value()
162 nvp->nvram[nvp->nvram_len] = '\0'; in brcmf_nvram_handle_value()
223 nvp->nvram = kzalloc(size, GFP_KERNEL); in brcmf_init_nvram_parser()
224 if (!nvp->nvram) in brcmf_init_nvram_parser()
232 /* brcmf_fw_strip_multi_v1 :Some nvram files contain settings for multiple
234 * which data is to be returned. v1 is the version where nvram is stored
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| /openbmc/linux/drivers/firmware/broadcom/ |
| H A D | bcm47xx_nvram.c | 3 * BCM947xx nvram variable access
38 * bcm47xx_nvram_is_valid - check for a valid NVRAM at specified memory
40 static bool bcm47xx_nvram_is_valid(void __iomem *nvram) in bcm47xx_nvram_is_valid() argument
42 return ((struct nvram_header *)nvram)->magic == NVRAM_MAGIC; in bcm47xx_nvram_is_valid()
46 * bcm47xx_nvram_copy - copy NVRAM to internal buffer
55 pr_err("The nvram size according to the header seems to be bigger than the partition on flash\n"); in bcm47xx_nvram_copy()
59 …pr_err("nvram on flash (%zu bytes) is bigger than the reserved space in memory, will just copy the… in bcm47xx_nvram_copy()
70 * bcm47xx_nvram_find_and_copy - find NVRAM on flash mapping & copy it
79 pr_warn("nvram already initialized\n"); in bcm47xx_nvram_find_and_copy()
83 /* TODO: when nvram is on nand flash check for bad blocks first. */ in bcm47xx_nvram_find_and_copy()
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| /openbmc/linux/arch/mips/bcm63xx/ |
| H A D | nvram.c | 24 static struct bcm963xx_nvram nvram; variable
32 /* extract nvram data */ in bcm63xx_nvram_init()
33 memcpy(&nvram, addr, BCM963XX_NVRAM_V5_SIZE); in bcm63xx_nvram_init()
36 if (bcm963xx_nvram_checksum(&nvram, &expected_crc, &crc)) in bcm63xx_nvram_init()
37 pr_warn("nvram checksum failed, contents may be invalid (expected %08x, got %08x)\n", in bcm63xx_nvram_init()
40 /* Cable modems have a different NVRAM which is embedded in the eCos in bcm63xx_nvram_init()
45 memcpy(nvram.mac_addr_base, hcs_mac_addr, ETH_ALEN); in bcm63xx_nvram_init()
46 nvram.mac_addr_count = 2; in bcm63xx_nvram_init()
52 return nvram.name; in bcm63xx_nvram_get_name()
61 if (mac_addr_used >= nvram.mac_addr_count) { in bcm63xx_nvram_get_mac_address()
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| /openbmc/linux/drivers/mtd/parsers/ |
| H A D | bcm63xxpart.c | 52 struct bcm963xx_nvram *nvram) in bcm63xx_read_nvram() argument
58 /* extract nvram data */ in bcm63xx_read_nvram()
60 &retlen, (void *)nvram); in bcm63xx_read_nvram()
64 ret = bcm963xx_nvram_checksum(nvram, &expected_crc, &actual_crc); in bcm63xx_read_nvram()
66 pr_warn("nvram checksum failed, contents may be invalid (expected %08x, got %08x)\n", in bcm63xx_read_nvram()
69 if (!nvram->psi_size) in bcm63xx_read_nvram()
70 nvram->psi_size = BCM963XX_DEFAULT_PSI_SIZE; in bcm63xx_read_nvram()
81 const struct mtd_partition **pparts, struct bcm963xx_nvram *nvram) in bcm63xx_parse_cfe_nor_partitions() argument
93 nvramlen = nvram->psi_size * SZ_1K; in bcm63xx_parse_cfe_nor_partitions()
106 parts[curpart].name = "nvram"; in bcm63xx_parse_cfe_nor_partitions()
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| /openbmc/qemu/include/hw/rtc/ |
| H A D | m48t59.h | 2 * QEMU M48T59 and M48T08 NVRAM emulation
32 #define TYPE_NVRAM "nvram"
35 DECLARE_CLASS_CHECKERS(NvramClass, NVRAM,
37 #define NVRAM(obj) \ macro
38 INTERFACE_CHECK(Nvram, (obj), TYPE_NVRAM)
40 typedef struct Nvram Nvram; typedef
45 uint32_t (*read)(Nvram *obj, uint32_t addr);
46 void (*write)(Nvram *obj, uint32_t addr, uint32_t val);
47 void (*toggle_lock)(Nvram *obj, int lock);
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| /openbmc/linux/arch/mips/include/asm/mach-bcm63xx/ |
| H A D | bcm63xx_nvram.h | 8 * bcm63xx_nvram_init() - initializes nvram
9 * @nvram: address of the nvram data
11 * Initialized the local nvram copy from the target address and checks
14 void bcm63xx_nvram_init(void *nvram);
17 * bcm63xx_nvram_get_name() - returns the board name according to nvram
19 * Returns the board name field from nvram. Note that it might not be
28 * Registers and returns a mac address from the allocated macs from nvram.
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| /openbmc/linux/Documentation/devicetree/bindings/nvmem/ |
| H A D | brcm,nvram.yaml | 4 $id: http://devicetree.org/schemas/nvmem/brcm,nvram.yaml#
7 title: Broadcom's NVRAM
10 Broadcom's NVRAM is a structure containing device specific environment
14 NVRAM can be accessed on Broadcom BCM47xx MIPS and Northstar ARM Cortex-A9
17 NVRAM variables can be defined as NVMEM device subnodes.
27 const: brcm,nvram
67 nvram@1eff0000 {
68 compatible = "brcm,nvram";
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| /openbmc/linux/arch/powerpc/platforms/powermac/ |
| H A D | nvram.c | 11 #include <linux/nvram.h>
24 #include <asm/nvram.h>
41 /* On Core99, nvram is either a sharp, a micron or an AMD flash */
52 /* CHRP NVRAM header */
287 DBG("nvram: Sharp/Micron Erasing bank %d...\n", bank); in sm_erase_bank()
294 printk(KERN_ERR "nvram: Sharp/Micron flash erase timeout !\n"); in sm_erase_bank()
305 printk(KERN_ERR "nvram: Sharp/Micron flash erase failed !\n"); in sm_erase_bank()
318 DBG("nvram: Sharp/Micron Writing bank %d...\n", bank); in sm_write_bank()
327 printk(KERN_ERR "nvram: Sharp/Micron flash write timeout !\n"); in sm_write_bank()
339 printk(KERN_ERR "nvram: Sharp/Micron flash write failed !\n"); in sm_write_bank()
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| /openbmc/linux/arch/powerpc/platforms/chrp/ |
| H A D | nvram.c | 5 * /dev/nvram driver for PPC
69 struct device_node *nvram; in chrp_nvram_init() local
73 nvram = of_find_node_by_type(NULL, "nvram"); in chrp_nvram_init()
74 if (nvram == NULL) in chrp_nvram_init()
77 nbytes_p = of_get_property(nvram, "#bytes", &proplen); in chrp_nvram_init()
79 of_node_put(nvram); in chrp_nvram_init()
85 printk(KERN_INFO "CHRP nvram contains %u bytes\n", nvram_size); in chrp_nvram_init()
86 of_node_put(nvram); in chrp_nvram_init()
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| /openbmc/linux/arch/powerpc/platforms/pseries/ |
| H A D | nvram.c | 5 * /dev/nvram driver for PPC64
17 #include <asm/nvram.h>
130 * We need to buffer the error logs into nvram to ensure that we have
150 * Reads nvram for error log for at most 'length'
203 /* Scan nvram for partitions */ in pseries_nvram_init_log_partitions()
214 struct device_node *nvram; in pSeries_nvram_init() local
218 nvram = of_find_node_by_type(NULL, "nvram"); in pSeries_nvram_init()
219 if (nvram == NULL) in pSeries_nvram_init()
222 nbytes_p = of_get_property(nvram, "#bytes", &proplen); in pSeries_nvram_init()
224 of_node_put(nvram); in pSeries_nvram_init()
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| /openbmc/pldm/oem/ibm/service_files/scripts/ |
| H A D | create-NVRAM-cksum-file | 3 if [ -f /var/lib/pldm/PHYP-NVRAM-CKSUM ]; then
4 …mv /var/lib/pldm/PHYP-NVRAM-CKSUM /var/lib/phosphor-software-manager/hostfw/nvram/PHYP-NVRAM-CKSUM;
6 truncate -s 16 /var/lib/phosphor-software-manager/hostfw/nvram/PHYP-NVRAM-CKSUM
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| H A D | create-NVRAM-file | 3 if [ -f /var/lib/pldm/PHYP-NVRAM ]; then
4 mv /var/lib/pldm/PHYP-NVRAM /var/lib/phosphor-software-manager/hostfw/nvram/PHYP-NVRAM;
6 truncate -s $((1024 * 145408)) /var/lib/phosphor-software-manager/hostfw/nvram/PHYP-NVRAM
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| /openbmc/linux/arch/powerpc/sysdev/ |
| H A D | mmio_nvram.c | 3 * memory mapped NVRAM
18 #include <asm/nvram.h>
104 nvram_node = of_find_node_by_type(NULL, "nvram"); in mmio_nvram_init()
106 nvram_node = of_find_compatible_node(NULL, NULL, "nvram"); in mmio_nvram_init()
108 printk(KERN_WARNING "nvram: no node found in device-tree\n"); in mmio_nvram_init()
114 printk(KERN_WARNING "nvram: failed to get address (err %d)\n", in mmio_nvram_init()
121 printk(KERN_WARNING "nvram: address or length is 0\n"); in mmio_nvram_init()
128 printk(KERN_WARNING "nvram: failed to ioremap\n"); in mmio_nvram_init()
133 printk(KERN_INFO "mmio NVRAM, %luk at 0x%lx mapped to %p\n", in mmio_nvram_init()
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| /openbmc/linux/arch/powerpc/include/asm/ |
| H A D | nvram.h | 3 * NVRAM definitions and access functions.
11 #include <uapi/asm/nvram.h>
70 /* Return partition offset in nvram */
77 /* Initialize NVRAM OS partition */
80 /* Initialize NVRAM oops partition */
83 /* Read a NVRAM partition */
88 /* Write to NVRAM OS partition */
|