#include "aic94xx.h"
#include "aic94xx_reg.h"
+#include "aic94xx_sds.h"
/* ---------- OCM stuff ---------- */
#define OCM_INIT_DIR_ENTRIES 5
/***************************************************************************
-* OCM dircetory default
+* OCM directory default
***************************************************************************/
static struct asd_ocm_dir OCMDirInit =
{
};
/***************************************************************************
-* OCM dircetory Entries default
+* OCM directory Entries default
***************************************************************************/
static struct asd_ocm_dir_ent OCMDirEntriesInit[OCM_INIT_DIR_ENTRIES] =
{
#define FLASH_RESET 0xF0
-#define FLASH_SIZE 0x200000
+#define ASD_FLASH_SIZE 0x200000
#define FLASH_DIR_COOKIE "*** ADAPTEC FLASH DIRECTORY *** "
#define FLASH_NEXT_ENTRY_OFFS 0x2000
#define FLASH_MAX_DIR_ENTRIES 32
struct asd_manuf_phy_desc {
u8 state; /* low 4 bits */
-#define MS_PHY_STATE_ENABLEABLE 0
+#define MS_PHY_STATE_ENABLED 0
#define MS_PHY_STATE_REPORTED 1
#define MS_PHY_STATE_HIDDEN 2
u8 phy_id;
return err;
}
-static inline int asd_read_flash_seg(struct asd_ha_struct *asd_ha,
- void *buffer, u32 offs, int size)
+static int asd_read_flash_seg(struct asd_ha_struct *asd_ha,
+ void *buffer, u32 offs, int size)
{
asd_read_reg_string(asd_ha, buffer, asd_ha->hw_prof.flash.bar+offs,
size);
struct asd_flash_dir *flash_dir)
{
u32 v;
- for (v = 0; v < FLASH_SIZE; v += FLASH_NEXT_ENTRY_OFFS) {
+ for (v = 0; v < ASD_FLASH_SIZE; v += FLASH_NEXT_ENTRY_OFFS) {
asd_read_flash_seg(asd_ha, flash_dir, v,
sizeof(FLASH_DIR_COOKIE)-1);
if (memcmp(flash_dir->cookie, FLASH_DIR_COOKIE,
reg = asd_read_reg_dword(asd_ha, EXSICNFGR);
- if (!(reg & FLASHEX)) {
- ASD_DPRINTK("flash doesn't exist\n");
- return -ENOENT;
- }
if (pci_read_config_dword(asd_ha->pcidev, PCI_CONF_FLSH_BAR,
&asd_ha->hw_prof.flash.bar)) {
asd_printk("couldn't read PCI_CONF_FLSH_BAR of %s\n",
*
* HIDDEN phys do not count in the total count. REPORTED phys cannot
* be enabled but are reported and counted towards the total.
- * ENEBLEABLE phys are enabled by default and count towards the total.
+ * ENABLED phys are enabled by default and count towards the total.
* The absolute total phy number is ASD_MAX_PHYS. hw_prof->num_phys
* merely specifies the number of phys the host adapter decided to
* report. E.g., it is possible for phys 0, 1 and 2 to be HIDDEN,
- * phys 3, 4 and 5 to be REPORTED and phys 6 and 7 to be ENEBLEABLE.
+ * phys 3, 4 and 5 to be REPORTED and phys 6 and 7 to be ENABLED.
* In this case ASD_MAX_PHYS is 8, hw_prof->num_phys is 5, and only 2
* are actually enabled (enabled by default, max number of phys
* enableable in this case).
asd_ha->hw_prof.enabled_phys &= ~(1 << i);
rep_phys++;
continue;
- case MS_PHY_STATE_ENABLEABLE:
- ASD_DPRINTK("ms: phy%d: ENEBLEABLE\n", i);
+ case MS_PHY_STATE_ENABLED:
+ ASD_DPRINTK("ms: phy%d: ENABLED\n", i);
asd_ha->hw_prof.enabled_phys |= (1 << i);
en_phys++;
break;
kfree(flash_dir);
return err;
}
+
+/**
+ * asd_verify_flash_seg - verify data with flash memory
+ * @asd_ha: pointer to the host adapter structure
+ * @src: pointer to the source data to be verified
+ * @dest_offset: offset from flash memory
+ * @bytes_to_verify: total bytes to verify
+ */
+int asd_verify_flash_seg(struct asd_ha_struct *asd_ha,
+ void *src, u32 dest_offset, u32 bytes_to_verify)
+{
+ u8 *src_buf;
+ u8 flash_char;
+ int err;
+ u32 nv_offset, reg, i;
+
+ reg = asd_ha->hw_prof.flash.bar;
+ src_buf = NULL;
+
+ err = FLASH_OK;
+ nv_offset = dest_offset;
+ src_buf = (u8 *)src;
+ for (i = 0; i < bytes_to_verify; i++) {
+ flash_char = asd_read_reg_byte(asd_ha, reg + nv_offset + i);
+ if (flash_char != src_buf[i]) {
+ err = FAIL_VERIFY;
+ break;
+ }
+ }
+ return err;
+}
+
+/**
+ * asd_write_flash_seg - write data into flash memory
+ * @asd_ha: pointer to the host adapter structure
+ * @src: pointer to the source data to be written
+ * @dest_offset: offset from flash memory
+ * @bytes_to_write: total bytes to write
+ */
+int asd_write_flash_seg(struct asd_ha_struct *asd_ha,
+ void *src, u32 dest_offset, u32 bytes_to_write)
+{
+ u8 *src_buf;
+ u32 nv_offset, reg, i;
+ int err;
+
+ reg = asd_ha->hw_prof.flash.bar;
+ src_buf = NULL;
+
+ err = asd_check_flash_type(asd_ha);
+ if (err) {
+ ASD_DPRINTK("couldn't find the type of flash. err=%d\n", err);
+ return err;
+ }
+
+ nv_offset = dest_offset;
+ err = asd_erase_nv_sector(asd_ha, nv_offset, bytes_to_write);
+ if (err) {
+ ASD_DPRINTK("Erase failed at offset:0x%x\n",
+ nv_offset);
+ return err;
+ }
+
+ err = asd_reset_flash(asd_ha);
+ if (err) {
+ ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
+ return err;
+ }
+
+ src_buf = (u8 *)src;
+ for (i = 0; i < bytes_to_write; i++) {
+ /* Setup program command sequence */
+ switch (asd_ha->hw_prof.flash.method) {
+ case FLASH_METHOD_A:
+ {
+ asd_write_reg_byte(asd_ha,
+ (reg + 0xAAA), 0xAA);
+ asd_write_reg_byte(asd_ha,
+ (reg + 0x555), 0x55);
+ asd_write_reg_byte(asd_ha,
+ (reg + 0xAAA), 0xA0);
+ asd_write_reg_byte(asd_ha,
+ (reg + nv_offset + i),
+ (*(src_buf + i)));
+ break;
+ }
+ case FLASH_METHOD_B:
+ {
+ asd_write_reg_byte(asd_ha,
+ (reg + 0x555), 0xAA);
+ asd_write_reg_byte(asd_ha,
+ (reg + 0x2AA), 0x55);
+ asd_write_reg_byte(asd_ha,
+ (reg + 0x555), 0xA0);
+ asd_write_reg_byte(asd_ha,
+ (reg + nv_offset + i),
+ (*(src_buf + i)));
+ break;
+ }
+ default:
+ break;
+ }
+ if (asd_chk_write_status(asd_ha,
+ (nv_offset + i), 0) != 0) {
+ ASD_DPRINTK("aicx: Write failed at offset:0x%x\n",
+ reg + nv_offset + i);
+ return FAIL_WRITE_FLASH;
+ }
+ }
+
+ err = asd_reset_flash(asd_ha);
+ if (err) {
+ ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
+ return err;
+ }
+ return 0;
+}
+
+int asd_chk_write_status(struct asd_ha_struct *asd_ha,
+ u32 sector_addr, u8 erase_flag)
+{
+ u32 reg;
+ u32 loop_cnt;
+ u8 nv_data1, nv_data2;
+ u8 toggle_bit1;
+
+ /*
+ * Read from DQ2 requires sector address
+ * while it's dont care for DQ6
+ */
+ reg = asd_ha->hw_prof.flash.bar;
+
+ for (loop_cnt = 0; loop_cnt < 50000; loop_cnt++) {
+ nv_data1 = asd_read_reg_byte(asd_ha, reg);
+ nv_data2 = asd_read_reg_byte(asd_ha, reg);
+
+ toggle_bit1 = ((nv_data1 & FLASH_STATUS_BIT_MASK_DQ6)
+ ^ (nv_data2 & FLASH_STATUS_BIT_MASK_DQ6));
+
+ if (toggle_bit1 == 0) {
+ return 0;
+ } else {
+ if (nv_data2 & FLASH_STATUS_BIT_MASK_DQ5) {
+ nv_data1 = asd_read_reg_byte(asd_ha,
+ reg);
+ nv_data2 = asd_read_reg_byte(asd_ha,
+ reg);
+ toggle_bit1 =
+ ((nv_data1 & FLASH_STATUS_BIT_MASK_DQ6)
+ ^ (nv_data2 & FLASH_STATUS_BIT_MASK_DQ6));
+
+ if (toggle_bit1 == 0)
+ return 0;
+ }
+ }
+
+ /*
+ * ERASE is a sector-by-sector operation and requires
+ * more time to finish while WRITE is byte-byte-byte
+ * operation and takes lesser time to finish.
+ *
+ * For some strange reason a reduced ERASE delay gives different
+ * behaviour across different spirit boards. Hence we set
+ * a optimum balance of 50mus for ERASE which works well
+ * across all boards.
+ */
+ if (erase_flag) {
+ udelay(FLASH_STATUS_ERASE_DELAY_COUNT);
+ } else {
+ udelay(FLASH_STATUS_WRITE_DELAY_COUNT);
+ }
+ }
+ return -1;
+}
+
+/**
+ * asd_hwi_erase_nv_sector - Erase the flash memory sectors.
+ * @asd_ha: pointer to the host adapter structure
+ * @flash_addr: pointer to offset from flash memory
+ * @size: total bytes to erase.
+ */
+int asd_erase_nv_sector(struct asd_ha_struct *asd_ha, u32 flash_addr, u32 size)
+{
+ u32 reg;
+ u32 sector_addr;
+
+ reg = asd_ha->hw_prof.flash.bar;
+
+ /* sector staring address */
+ sector_addr = flash_addr & FLASH_SECTOR_SIZE_MASK;
+
+ /*
+ * Erasing an flash sector needs to be done in six consecutive
+ * write cyles.
+ */
+ while (sector_addr < flash_addr+size) {
+ switch (asd_ha->hw_prof.flash.method) {
+ case FLASH_METHOD_A:
+ asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0xAA);
+ asd_write_reg_byte(asd_ha, (reg + 0x555), 0x55);
+ asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0x80);
+ asd_write_reg_byte(asd_ha, (reg + 0xAAA), 0xAA);
+ asd_write_reg_byte(asd_ha, (reg + 0x555), 0x55);
+ asd_write_reg_byte(asd_ha, (reg + sector_addr), 0x30);
+ break;
+ case FLASH_METHOD_B:
+ asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA);
+ asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55);
+ asd_write_reg_byte(asd_ha, (reg + 0x555), 0x80);
+ asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA);
+ asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55);
+ asd_write_reg_byte(asd_ha, (reg + sector_addr), 0x30);
+ break;
+ default:
+ break;
+ }
+
+ if (asd_chk_write_status(asd_ha, sector_addr, 1) != 0)
+ return FAIL_ERASE_FLASH;
+
+ sector_addr += FLASH_SECTOR_SIZE;
+ }
+
+ return 0;
+}
+
+int asd_check_flash_type(struct asd_ha_struct *asd_ha)
+{
+ u8 manuf_id;
+ u8 dev_id;
+ u8 sec_prot;
+ u32 inc;
+ u32 reg;
+ int err;
+
+ /* get Flash memory base address */
+ reg = asd_ha->hw_prof.flash.bar;
+
+ /* Determine flash info */
+ err = asd_reset_flash(asd_ha);
+ if (err) {
+ ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
+ return err;
+ }
+
+ asd_ha->hw_prof.flash.method = FLASH_METHOD_UNKNOWN;
+ asd_ha->hw_prof.flash.manuf = FLASH_MANUF_ID_UNKNOWN;
+ asd_ha->hw_prof.flash.dev_id = FLASH_DEV_ID_UNKNOWN;
+
+ /* Get flash info. This would most likely be AMD Am29LV family flash.
+ * First try the sequence for word mode. It is the same as for
+ * 008B (byte mode only), 160B (word mode) and 800D (word mode).
+ */
+ inc = asd_ha->hw_prof.flash.wide ? 2 : 1;
+ asd_write_reg_byte(asd_ha, reg + 0xAAA, 0xAA);
+ asd_write_reg_byte(asd_ha, reg + 0x555, 0x55);
+ asd_write_reg_byte(asd_ha, reg + 0xAAA, 0x90);
+ manuf_id = asd_read_reg_byte(asd_ha, reg);
+ dev_id = asd_read_reg_byte(asd_ha, reg + inc);
+ sec_prot = asd_read_reg_byte(asd_ha, reg + inc + inc);
+ /* Get out of autoselect mode. */
+ err = asd_reset_flash(asd_ha);
+ if (err) {
+ ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
+ return err;
+ }
+ ASD_DPRINTK("Flash MethodA manuf_id(0x%x) dev_id(0x%x) "
+ "sec_prot(0x%x)\n", manuf_id, dev_id, sec_prot);
+ err = asd_reset_flash(asd_ha);
+ if (err != 0)
+ return err;
+
+ switch (manuf_id) {
+ case FLASH_MANUF_ID_AMD:
+ switch (sec_prot) {
+ case FLASH_DEV_ID_AM29LV800DT:
+ case FLASH_DEV_ID_AM29LV640MT:
+ case FLASH_DEV_ID_AM29F800B:
+ asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
+ break;
+ default:
+ break;
+ }
+ break;
+ case FLASH_MANUF_ID_ST:
+ switch (sec_prot) {
+ case FLASH_DEV_ID_STM29W800DT:
+ case FLASH_DEV_ID_STM29LV640:
+ asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
+ break;
+ default:
+ break;
+ }
+ break;
+ case FLASH_MANUF_ID_FUJITSU:
+ switch (sec_prot) {
+ case FLASH_DEV_ID_MBM29LV800TE:
+ case FLASH_DEV_ID_MBM29DL800TA:
+ asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
+ break;
+ }
+ break;
+ case FLASH_MANUF_ID_MACRONIX:
+ switch (sec_prot) {
+ case FLASH_DEV_ID_MX29LV800BT:
+ asd_ha->hw_prof.flash.method = FLASH_METHOD_A;
+ break;
+ }
+ break;
+ }
+
+ if (asd_ha->hw_prof.flash.method == FLASH_METHOD_UNKNOWN) {
+ err = asd_reset_flash(asd_ha);
+ if (err) {
+ ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
+ return err;
+ }
+
+ /* Issue Unlock sequence for AM29LV008BT */
+ asd_write_reg_byte(asd_ha, (reg + 0x555), 0xAA);
+ asd_write_reg_byte(asd_ha, (reg + 0x2AA), 0x55);
+ asd_write_reg_byte(asd_ha, (reg + 0x555), 0x90);
+ manuf_id = asd_read_reg_byte(asd_ha, reg);
+ dev_id = asd_read_reg_byte(asd_ha, reg + inc);
+ sec_prot = asd_read_reg_byte(asd_ha, reg + inc + inc);
+
+ ASD_DPRINTK("Flash MethodB manuf_id(0x%x) dev_id(0x%x) sec_prot"
+ "(0x%x)\n", manuf_id, dev_id, sec_prot);
+
+ err = asd_reset_flash(asd_ha);
+ if (err != 0) {
+ ASD_DPRINTK("couldn't reset flash. err=%d\n", err);
+ return err;
+ }
+
+ switch (manuf_id) {
+ case FLASH_MANUF_ID_AMD:
+ switch (dev_id) {
+ case FLASH_DEV_ID_AM29LV008BT:
+ asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
+ break;
+ default:
+ break;
+ }
+ break;
+ case FLASH_MANUF_ID_ST:
+ switch (dev_id) {
+ case FLASH_DEV_ID_STM29008:
+ asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
+ break;
+ default:
+ break;
+ }
+ break;
+ case FLASH_MANUF_ID_FUJITSU:
+ switch (dev_id) {
+ case FLASH_DEV_ID_MBM29LV008TA:
+ asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
+ break;
+ }
+ break;
+ case FLASH_MANUF_ID_INTEL:
+ switch (dev_id) {
+ case FLASH_DEV_ID_I28LV00TAT:
+ asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
+ break;
+ }
+ break;
+ case FLASH_MANUF_ID_MACRONIX:
+ switch (dev_id) {
+ case FLASH_DEV_ID_I28LV00TAT:
+ asd_ha->hw_prof.flash.method = FLASH_METHOD_B;
+ break;
+ }
+ break;
+ default:
+ return FAIL_FIND_FLASH_ID;
+ }
+ }
+
+ if (asd_ha->hw_prof.flash.method == FLASH_METHOD_UNKNOWN)
+ return FAIL_FIND_FLASH_ID;
+
+ asd_ha->hw_prof.flash.manuf = manuf_id;
+ asd_ha->hw_prof.flash.dev_id = dev_id;
+ asd_ha->hw_prof.flash.sec_prot = sec_prot;
+ return 0;
+}
projects / linux-2.6-omap-h63xx.git / blobdiff