diff options
Diffstat (limited to 'drivers/scsi/isci/firmware')
| -rw-r--r-- | drivers/scsi/isci/firmware/Makefile | 19 | ||||
| -rw-r--r-- | drivers/scsi/isci/firmware/README | 36 | ||||
| -rw-r--r-- | drivers/scsi/isci/firmware/create_fw.c | 99 | ||||
| -rw-r--r-- | drivers/scsi/isci/firmware/create_fw.h | 77 |
4 files changed, 231 insertions, 0 deletions
diff --git a/drivers/scsi/isci/firmware/Makefile b/drivers/scsi/isci/firmware/Makefile new file mode 100644 index 000000000000..5f54461cabc5 --- /dev/null +++ b/drivers/scsi/isci/firmware/Makefile @@ -0,0 +1,19 @@ +# Makefile for create_fw +# +CC=gcc +CFLAGS=-c -Wall -O2 -g +LDFLAGS= +SOURCES=create_fw.c +OBJECTS=$(SOURCES:.cpp=.o) +EXECUTABLE=create_fw + +all: $(SOURCES) $(EXECUTABLE) + +$(EXECUTABLE): $(OBJECTS) + $(CC) $(LDFLAGS) $(OBJECTS) -o $@ + +.c.o: + $(CC) $(CFLAGS) $< -O $@ + +clean: + rm -f *.o $(EXECUTABLE) diff --git a/drivers/scsi/isci/firmware/README b/drivers/scsi/isci/firmware/README new file mode 100644 index 000000000000..8056d2bd233b --- /dev/null +++ b/drivers/scsi/isci/firmware/README @@ -0,0 +1,36 @@ +This defines the temporary binary blow we are to pass to the SCU +driver to emulate the binary firmware that we will eventually be +able to access via NVRAM on the SCU controller. + +The current size of the binary blob is expected to be 149 bytes or larger + +Header Types: +0x1: Phy Masks +0x2: Phy Gens +0x3: SAS Addrs +0xff: End of Data + +ID string - u8[12]: "#SCU MAGIC#\0" +Version - u8: 1 +SubVersion - u8: 0 + +Header Type - u8: 0x1 +Size - u8: 8 +Phy Mask - u32[8] + +Header Type - u8: 0x2 +Size - u8: 8 +Phy Gen - u32[8] + +Header Type - u8: 0x3 +Size - u8: 8 +Sas Addr - u64[8] + +Header Type - u8: 0xf + + +============================================================================== + +Place isci_firmware.bin in /lib/firmware +Be sure to recreate the initramfs image to include the firmware. + diff --git a/drivers/scsi/isci/firmware/create_fw.c b/drivers/scsi/isci/firmware/create_fw.c new file mode 100644 index 000000000000..c7a2887a7e95 --- /dev/null +++ b/drivers/scsi/isci/firmware/create_fw.c @@ -0,0 +1,99 @@ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> +#include <string.h> +#include <errno.h> +#include <asm/types.h> +#include <strings.h> +#include <stdint.h> + +#include "create_fw.h" +#include "../probe_roms.h" + +int write_blob(struct isci_orom *isci_orom) +{ + FILE *fd; + int err; + size_t count; + + fd = fopen(blob_name, "w+"); + if (!fd) { + perror("Open file for write failed"); + fclose(fd); + return -EIO; + } + + count = fwrite(isci_orom, sizeof(struct isci_orom), 1, fd); + if (count != 1) { + perror("Write data failed"); + fclose(fd); + return -EIO; + } + + fclose(fd); + + return 0; +} + +void set_binary_values(struct isci_orom *isci_orom) +{ + int ctrl_idx, phy_idx, port_idx; + + /* setting OROM signature */ + strncpy(isci_orom->hdr.signature, sig, strlen(sig)); + isci_orom->hdr.version = version; + isci_orom->hdr.total_block_length = sizeof(struct isci_orom); + isci_orom->hdr.hdr_length = sizeof(struct sci_bios_oem_param_block_hdr); + isci_orom->hdr.num_elements = num_elements; + + for (ctrl_idx = 0; ctrl_idx < 2; ctrl_idx++) { + isci_orom->ctrl[ctrl_idx].controller.mode_type = mode_type; + isci_orom->ctrl[ctrl_idx].controller.max_concurrent_dev_spin_up = + max_num_concurrent_dev_spin_up; + isci_orom->ctrl[ctrl_idx].controller.do_enable_ssc = + enable_ssc; + + for (port_idx = 0; port_idx < 4; port_idx++) + isci_orom->ctrl[ctrl_idx].ports[port_idx].phy_mask = + phy_mask[ctrl_idx][port_idx]; + + for (phy_idx = 0; phy_idx < 4; phy_idx++) { + isci_orom->ctrl[ctrl_idx].phys[phy_idx].sas_address.high = + (__u32)(sas_addr[ctrl_idx][phy_idx] >> 32); + isci_orom->ctrl[ctrl_idx].phys[phy_idx].sas_address.low = + (__u32)(sas_addr[ctrl_idx][phy_idx]); + + isci_orom->ctrl[ctrl_idx].phys[phy_idx].afe_tx_amp_control0 = + afe_tx_amp_control0; + isci_orom->ctrl[ctrl_idx].phys[phy_idx].afe_tx_amp_control1 = + afe_tx_amp_control1; + isci_orom->ctrl[ctrl_idx].phys[phy_idx].afe_tx_amp_control2 = + afe_tx_amp_control2; + isci_orom->ctrl[ctrl_idx].phys[phy_idx].afe_tx_amp_control3 = + afe_tx_amp_control3; + } + } +} + +int main(void) +{ + int err; + struct isci_orom *isci_orom; + + isci_orom = malloc(sizeof(struct isci_orom)); + memset(isci_orom, 0, sizeof(struct isci_orom)); + + set_binary_values(isci_orom); + + err = write_blob(isci_orom); + if (err < 0) { + free(isci_orom); + return err; + } + + free(isci_orom); + return 0; +} diff --git a/drivers/scsi/isci/firmware/create_fw.h b/drivers/scsi/isci/firmware/create_fw.h new file mode 100644 index 000000000000..5f298828d22e --- /dev/null +++ b/drivers/scsi/isci/firmware/create_fw.h @@ -0,0 +1,77 @@ +#ifndef _CREATE_FW_H_ +#define _CREATE_FW_H_ +#include "../probe_roms.h" + + +/* we are configuring for 2 SCUs */ +static const int num_elements = 2; + +/* + * For all defined arrays: + * elements 0-3 are for SCU0, ports 0-3 + * elements 4-7 are for SCU1, ports 0-3 + * + * valid configurations for one SCU are: + * P0 P1 P2 P3 + * ---------------- + * 0xF,0x0,0x0,0x0 # 1 x4 port + * 0x3,0x0,0x4,0x8 # Phys 0 and 1 are a x2 port, phy 2 and phy 3 are each x1 + * # ports + * 0x1,0x2,0xC,0x0 # Phys 0 and 1 are each x1 ports, phy 2 and phy 3 are a x2 + * # port + * 0x3,0x0,0xC,0x0 # Phys 0 and 1 are a x2 port, phy 2 and phy 3 are a x2 port + * 0x1,0x2,0x4,0x8 # Each phy is a x1 port (this is the default configuration) + * + * if there is a port/phy on which you do not wish to override the default + * values, use the value assigned to UNINIT_PARAM (255). + */ + +/* discovery mode type (port auto config mode by default ) */ + +/* + * if there is a port/phy on which you do not wish to override the default + * values, use the value "0000000000000000". SAS address of zero's is + * considered invalid and will not be used. + */ +#ifdef MPC +static const int mode_type = SCIC_PORT_MANUAL_CONFIGURATION_MODE; +static const __u8 phy_mask[2][4] = { {1, 2, 4, 8}, + {1, 2, 4, 8} }; +static const unsigned long long sas_addr[2][4] = { { 0x5FCFFFFFF0000001ULL, + 0x5FCFFFFFF0000002ULL, + 0x5FCFFFFFF0000003ULL, + 0x5FCFFFFFF0000004ULL }, + { 0x5FCFFFFFF0000005ULL, + 0x5FCFFFFFF0000006ULL, + 0x5FCFFFFFF0000007ULL, + 0x5FCFFFFFF0000008ULL } }; +#else /* APC (default) */ +static const int mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE; +static const __u8 phy_mask[2][4]; +static const unsigned long long sas_addr[2][4] = { { 0x5FCFFFFF00000001ULL, + 0x5FCFFFFF00000001ULL, + 0x5FCFFFFF00000001ULL, + 0x5FCFFFFF00000001ULL }, + { 0x5FCFFFFF00000002ULL, + 0x5FCFFFFF00000002ULL, + 0x5FCFFFFF00000002ULL, + 0x5FCFFFFF00000002ULL } }; +#endif + +/* Maximum number of concurrent device spin up */ +static const int max_num_concurrent_dev_spin_up = 1; + +/* enable of ssc operation */ +static const int enable_ssc; + +/* AFE_TX_AMP_CONTROL */ +static const unsigned int afe_tx_amp_control0 = 0x000bdd08; +static const unsigned int afe_tx_amp_control1 = 0x000ffc00; +static const unsigned int afe_tx_amp_control2 = 0x000b7c09; +static const unsigned int afe_tx_amp_control3 = 0x000afc6e; + +static const char blob_name[] = "isci_firmware.bin"; +static const char sig[] = "ISCUOEMB"; +static const unsigned char version = 0x10; + +#endif |