47 static void read_page(struct hfi1_devdata *dd, u32 offset, u32 *result)  in read_page()  argument
51 	write_csr(dd, ASIC_EEP_ADDR_CMD, CMD_READ_DATA(offset));  in read_page()
53 		result[i] = (u32)read_csr(dd, ASIC_EEP_DATA);  in read_page()
54 	write_csr(dd, ASIC_EEP_ADDR_CMD, CMD_NOP); /* close open page */  in read_page()
60 static int read_length(struct hfi1_devdata *dd, u32 start, u32 len, void *dest)  in read_length()  argument
88 		read_page(dd, read_start, buffer);  in read_length()
109 		read_page(dd, start, buffer);  in read_length()
119 		read_page(dd, start, buffer);  in read_length()
129 int eprom_init(struct hfi1_devdata *dd)  in eprom_init()  argument
134 	if (dd->pcidev->device != PCI_DEVICE_ID_INTEL0)  in eprom_init()
141 	ret = acquire_chip_resource(dd, CR_EPROM, EPROM_TIMEOUT);  in eprom_init()
143 		dd_dev_err(dd,  in eprom_init()
152 	write_csr(dd, ASIC_EEP_CTL_STAT, ASIC_EEP_CTL_STAT_EP_RESET_SMASK);  in eprom_init()
154 	write_csr(dd, ASIC_EEP_CTL_STAT,  in eprom_init()
158 	write_csr(dd, ASIC_EEP_ADDR_CMD, CMD_RELEASE_POWERDOWN_NOID);  in eprom_init()
160 	dd->eprom_available = true;  in eprom_init()
161 	release_chip_resource(dd, CR_EPROM);  in eprom_init()
210 static int read_partition_platform_config(struct hfi1_devdata *dd, void **data,  in read_partition_platform_config()  argument
222 	ret = read_length(dd, P1_START, P1_SIZE, buffer);  in read_partition_platform_config()
252 static int read_segment_platform_config(struct hfi1_devdata *dd,  in read_segment_platform_config()  argument
293 		ret = read_length(dd, SEG_SIZE - directory_size,  in read_segment_platform_config()
317 		dd_dev_err(dd, "Bad configuration file size 0x%x\n",  in read_segment_platform_config()
325 		dd_dev_err(dd,  in read_segment_platform_config()
357 				dd_dev_err(dd,  in read_segment_platform_config()
383 		ret = read_length(dd, seg_base + seg_offset, to_copy,  in read_segment_platform_config()
421 int eprom_read_platform_config(struct hfi1_devdata *dd, void **data, u32 *size)  in eprom_read_platform_config()  argument
426 	if (!dd->eprom_available)  in eprom_read_platform_config()
429 	ret = acquire_chip_resource(dd, CR_EPROM, EPROM_TIMEOUT);  in eprom_read_platform_config()
434 	ret = read_length(dd, SEG_SIZE - EP_PAGE_SIZE, EP_PAGE_SIZE, directory);  in eprom_read_platform_config()
441 		ret = read_segment_platform_config(dd, directory, data, size);  in eprom_read_platform_config()
444 		ret = read_partition_platform_config(dd, data, size);  in eprom_read_platform_config()
448 	release_chip_resource(dd, CR_EPROM);  in eprom_read_platform_config()