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-rw-r--r--drivers/ide/pci/hpt366.c404
1 files changed, 174 insertions, 230 deletions
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index 51f40f2db772..787efd35db2b 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -67,10 +67,9 @@
* - add support for HPT302N and HPT371N clocking (the same as for HPT372N)
* - HPT371/N are single channel chips, so avoid touching the primary channel
* which exists only virtually (there's no pins for it)
- * - fix/remove bad/unused timing tables: HPT370/A 66 MHz tables weren't really
- * needed and had many modes over- and underclocked, HPT372 33 MHz table was
- * for 66 MHz and 50 MHz table missed UltraDMA mode 6, HPT374 33 MHz table was
- * really for 50 MHz; switch to using HPT372 tables for HPT374...
+ * - fix/remove bad/unused timing tables and use one set of tables for the whole
+ * HPT37x chip family; save space by introducing the separate transfer mode
+ * table in which the mode lookup is done
* <source@mvista.com>
*
*/
@@ -162,214 +161,168 @@ static const char *bad_ata33[] = {
NULL
};
-struct chipset_bus_clock_list_entry {
- u8 xfer_speed;
- unsigned int chipset_settings;
+static u8 xfer_speeds[] = {
+ XFER_UDMA_6,
+ XFER_UDMA_5,
+ XFER_UDMA_4,
+ XFER_UDMA_3,
+ XFER_UDMA_2,
+ XFER_UDMA_1,
+ XFER_UDMA_0,
+
+ XFER_MW_DMA_2,
+ XFER_MW_DMA_1,
+ XFER_MW_DMA_0,
+
+ XFER_PIO_4,
+ XFER_PIO_3,
+ XFER_PIO_2,
+ XFER_PIO_1,
+ XFER_PIO_0
};
-/* key for bus clock timings
- * bit
- * 0:3 data_high_time. inactive time of DIOW_/DIOR_ for PIO and MW
- * DMA. cycles = value + 1
- * 4:8 data_low_time. active time of DIOW_/DIOR_ for PIO and MW
- * DMA. cycles = value + 1
- * 9:12 cmd_high_time. inactive time of DIOW_/DIOR_ during task file
- * register access.
- * 13:17 cmd_low_time. active time of DIOW_/DIOR_ during task file
- * register access.
- * 18:21 udma_cycle_time. clock freq and clock cycles for UDMA xfer.
- * during task file register access.
- * 22:24 pre_high_time. time to initialize 1st cycle for PIO and MW DMA
- * xfer.
- * 25:27 cmd_pre_high_time. time to initialize 1st PIO cycle for task
- * register access.
- * 28 UDMA enable
- * 29 DMA enable
- * 30 PIO_MST enable. if set, the chip is in bus master mode during
- * PIO.
- * 31 FIFO enable.
+/* Key for bus clock timings
+ * 36x 37x
+ * bits bits
+ * 0:3 0:3 data_high_time. Inactive time of DIOW_/DIOR_ for PIO and MW DMA.
+ * cycles = value + 1
+ * 4:7 4:8 data_low_time. Active time of DIOW_/DIOR_ for PIO and MW DMA.
+ * cycles = value + 1
+ * 8:11 9:12 cmd_high_time. Inactive time of DIOW_/DIOR_ during task file
+ * register access.
+ * 12:15 13:17 cmd_low_time. Active time of DIOW_/DIOR_ during task file
+ * register access.
+ * 16:18 18:20 udma_cycle_time. Clock cycles for UDMA xfer.
+ * - 21 CLK frequency: 0=ATA clock, 1=dual ATA clock.
+ * 19:21 22:24 pre_high_time. Time to initialize the 1st cycle for PIO and
+ * MW DMA xfer.
+ * 22:24 25:27 cmd_pre_high_time. Time to initialize the 1st PIO cycle for
+ * task file register access.
+ * 28 28 UDMA enable.
+ * 29 29 DMA enable.
+ * 30 30 PIO MST enable. If set, the chip is in bus master mode during
+ * PIO xfer.
+ * 31 31 FIFO enable.
*/
-static struct chipset_bus_clock_list_entry forty_base_hpt366[] = {
- { XFER_UDMA_4, 0x900fd943 },
- { XFER_UDMA_3, 0x900ad943 },
- { XFER_UDMA_2, 0x900bd943 },
- { XFER_UDMA_1, 0x9008d943 },
- { XFER_UDMA_0, 0x9008d943 },
-
- { XFER_MW_DMA_2, 0xa008d943 },
- { XFER_MW_DMA_1, 0xa010d955 },
- { XFER_MW_DMA_0, 0xa010d9fc },
-
- { XFER_PIO_4, 0xc008d963 },
- { XFER_PIO_3, 0xc010d974 },
- { XFER_PIO_2, 0xc010d997 },
- { XFER_PIO_1, 0xc010d9c7 },
- { XFER_PIO_0, 0xc018d9d9 },
- { 0, 0x0120d9d9 }
-};
-
-static struct chipset_bus_clock_list_entry thirty_three_base_hpt366[] = {
- { XFER_UDMA_4, 0x90c9a731 },
- { XFER_UDMA_3, 0x90cfa731 },
- { XFER_UDMA_2, 0x90caa731 },
- { XFER_UDMA_1, 0x90cba731 },
- { XFER_UDMA_0, 0x90c8a731 },
-
- { XFER_MW_DMA_2, 0xa0c8a731 },
- { XFER_MW_DMA_1, 0xa0c8a732 }, /* 0xa0c8a733 */
- { XFER_MW_DMA_0, 0xa0c8a797 },
-
- { XFER_PIO_4, 0xc0c8a731 },
- { XFER_PIO_3, 0xc0c8a742 },
- { XFER_PIO_2, 0xc0d0a753 },
- { XFER_PIO_1, 0xc0d0a7a3 }, /* 0xc0d0a793 */
- { XFER_PIO_0, 0xc0d0a7aa }, /* 0xc0d0a7a7 */
- { 0, 0x0120a7a7 }
-};
-static struct chipset_bus_clock_list_entry twenty_five_base_hpt366[] = {
- { XFER_UDMA_4, 0x90c98521 },
- { XFER_UDMA_3, 0x90cf8521 },
- { XFER_UDMA_2, 0x90cf8521 },
- { XFER_UDMA_1, 0x90cb8521 },
- { XFER_UDMA_0, 0x90cb8521 },
-
- { XFER_MW_DMA_2, 0xa0ca8521 },
- { XFER_MW_DMA_1, 0xa0ca8532 },
- { XFER_MW_DMA_0, 0xa0ca8575 },
-
- { XFER_PIO_4, 0xc0ca8521 },
- { XFER_PIO_3, 0xc0ca8532 },
- { XFER_PIO_2, 0xc0ca8542 },
- { XFER_PIO_1, 0xc0d08572 },
- { XFER_PIO_0, 0xc0d08585 },
- { 0, 0x01208585 }
+static u32 forty_base_hpt36x[] = {
+ /* XFER_UDMA_6 */ 0x900fd943,
+ /* XFER_UDMA_5 */ 0x900fd943,
+ /* XFER_UDMA_4 */ 0x900fd943,
+ /* XFER_UDMA_3 */ 0x900ad943,
+ /* XFER_UDMA_2 */ 0x900bd943,
+ /* XFER_UDMA_1 */ 0x9008d943,
+ /* XFER_UDMA_0 */ 0x9008d943,
+
+ /* XFER_MW_DMA_2 */ 0xa008d943,
+ /* XFER_MW_DMA_1 */ 0xa010d955,
+ /* XFER_MW_DMA_0 */ 0xa010d9fc,
+
+ /* XFER_PIO_4 */ 0xc008d963,
+ /* XFER_PIO_3 */ 0xc010d974,
+ /* XFER_PIO_2 */ 0xc010d997,
+ /* XFER_PIO_1 */ 0xc010d9c7,
+ /* XFER_PIO_0 */ 0xc018d9d9
};
-/* from highpoint documentation. these are old values */
-static struct chipset_bus_clock_list_entry thirty_three_base_hpt370[] = {
-/* { XFER_UDMA_5, 0x1A85F442, 0x16454e31 }, */
- { XFER_UDMA_5, 0x16454e31 },
- { XFER_UDMA_4, 0x16454e31 },
- { XFER_UDMA_3, 0x166d4e31 },
- { XFER_UDMA_2, 0x16494e31 },
- { XFER_UDMA_1, 0x164d4e31 },
- { XFER_UDMA_0, 0x16514e31 },
-
- { XFER_MW_DMA_2, 0x26514e21 },
- { XFER_MW_DMA_1, 0x26514e33 },
- { XFER_MW_DMA_0, 0x26514e97 },
-
- { XFER_PIO_4, 0x06514e21 },
- { XFER_PIO_3, 0x06514e22 },
- { XFER_PIO_2, 0x06514e33 },
- { XFER_PIO_1, 0x06914e43 },
- { XFER_PIO_0, 0x06914e57 },
- { 0, 0x06514e57 }
+static u32 thirty_three_base_hpt36x[] = {
+ /* XFER_UDMA_6 */ 0x90c9a731,
+ /* XFER_UDMA_5 */ 0x90c9a731,
+ /* XFER_UDMA_4 */ 0x90c9a731,
+ /* XFER_UDMA_3 */ 0x90cfa731,
+ /* XFER_UDMA_2 */ 0x90caa731,
+ /* XFER_UDMA_1 */ 0x90cba731,
+ /* XFER_UDMA_0 */ 0x90c8a731,
+
+ /* XFER_MW_DMA_2 */ 0xa0c8a731,
+ /* XFER_MW_DMA_1 */ 0xa0c8a732, /* 0xa0c8a733 */
+ /* XFER_MW_DMA_0 */ 0xa0c8a797,
+
+ /* XFER_PIO_4 */ 0xc0c8a731,
+ /* XFER_PIO_3 */ 0xc0c8a742,
+ /* XFER_PIO_2 */ 0xc0d0a753,
+ /* XFER_PIO_1 */ 0xc0d0a7a3, /* 0xc0d0a793 */
+ /* XFER_PIO_0 */ 0xc0d0a7aa /* 0xc0d0a7a7 */
};
-/* these are the current (4 sep 2001) timings from highpoint */
-static struct chipset_bus_clock_list_entry thirty_three_base_hpt370a[] = {
- { XFER_UDMA_5, 0x12446231 },
- { XFER_UDMA_4, 0x12446231 },
- { XFER_UDMA_3, 0x126c6231 },
- { XFER_UDMA_2, 0x12486231 },
- { XFER_UDMA_1, 0x124c6233 },
- { XFER_UDMA_0, 0x12506297 },
-
- { XFER_MW_DMA_2, 0x22406c31 },
- { XFER_MW_DMA_1, 0x22406c33 },
- { XFER_MW_DMA_0, 0x22406c97 },
-
- { XFER_PIO_4, 0x06414e31 },
- { XFER_PIO_3, 0x06414e42 },
- { XFER_PIO_2, 0x06414e53 },
- { XFER_PIO_1, 0x06814e93 },
- { XFER_PIO_0, 0x06814ea7 },
- { 0, 0x06814ea7 }
+static u32 twenty_five_base_hpt36x[] = {
+ /* XFER_UDMA_6 */ 0x90c98521,
+ /* XFER_UDMA_5 */ 0x90c98521,
+ /* XFER_UDMA_4 */ 0x90c98521,
+ /* XFER_UDMA_3 */ 0x90cf8521,
+ /* XFER_UDMA_2 */ 0x90cf8521,
+ /* XFER_UDMA_1 */ 0x90cb8521,
+ /* XFER_UDMA_0 */ 0x90cb8521,
+
+ /* XFER_MW_DMA_2 */ 0xa0ca8521,
+ /* XFER_MW_DMA_1 */ 0xa0ca8532,
+ /* XFER_MW_DMA_0 */ 0xa0ca8575,
+
+ /* XFER_PIO_4 */ 0xc0ca8521,
+ /* XFER_PIO_3 */ 0xc0ca8532,
+ /* XFER_PIO_2 */ 0xc0ca8542,
+ /* XFER_PIO_1 */ 0xc0d08572,
+ /* XFER_PIO_0 */ 0xc0d08585
};
-static struct chipset_bus_clock_list_entry fifty_base_hpt370a[] = {
- { XFER_UDMA_5, 0x12848242 },
- { XFER_UDMA_4, 0x12ac8242 },
- { XFER_UDMA_3, 0x128c8242 },
- { XFER_UDMA_2, 0x120c8242 },
- { XFER_UDMA_1, 0x12148254 },
- { XFER_UDMA_0, 0x121882ea },
-
- { XFER_MW_DMA_2, 0x22808242 },
- { XFER_MW_DMA_1, 0x22808254 },
- { XFER_MW_DMA_0, 0x228082ea },
-
- { XFER_PIO_4, 0x0a81f442 },
- { XFER_PIO_3, 0x0a81f443 },
- { XFER_PIO_2, 0x0a81f454 },
- { XFER_PIO_1, 0x0ac1f465 },
- { XFER_PIO_0, 0x0ac1f48a },
- { 0, 0x0ac1f48a }
+static u32 thirty_three_base_hpt37x[] = {
+ /* XFER_UDMA_6 */ 0x12446231, /* 0x12646231 ?? */
+ /* XFER_UDMA_5 */ 0x12446231,
+ /* XFER_UDMA_4 */ 0x12446231,
+ /* XFER_UDMA_3 */ 0x126c6231,
+ /* XFER_UDMA_2 */ 0x12486231,
+ /* XFER_UDMA_1 */ 0x124c6233,
+ /* XFER_UDMA_0 */ 0x12506297,
+
+ /* XFER_MW_DMA_2 */ 0x22406c31,
+ /* XFER_MW_DMA_1 */ 0x22406c33,
+ /* XFER_MW_DMA_0 */ 0x22406c97,
+
+ /* XFER_PIO_4 */ 0x06414e31,
+ /* XFER_PIO_3 */ 0x06414e42,
+ /* XFER_PIO_2 */ 0x06414e53,
+ /* XFER_PIO_1 */ 0x06814e93,
+ /* XFER_PIO_0 */ 0x06814ea7
};
-static struct chipset_bus_clock_list_entry thirty_three_base_hpt372[] = {
- { XFER_UDMA_6, 0x12446231 }, /* 0x12646231 ?? */
- { XFER_UDMA_5, 0x12446231 },
- { XFER_UDMA_4, 0x12446231 },
- { XFER_UDMA_3, 0x126c6231 },
- { XFER_UDMA_2, 0x12486231 },
- { XFER_UDMA_1, 0x124c6233 },
- { XFER_UDMA_0, 0x12506297 },
-
- { XFER_MW_DMA_2, 0x22406c31 },
- { XFER_MW_DMA_1, 0x22406c33 },
- { XFER_MW_DMA_0, 0x22406c97 },
-
- { XFER_PIO_4, 0x06414e31 },
- { XFER_PIO_3, 0x06414e42 },
- { XFER_PIO_2, 0x06414e53 },
- { XFER_PIO_1, 0x06814e93 },
- { XFER_PIO_0, 0x06814ea7 },
- { 0, 0x06814ea7 }
+static u32 fifty_base_hpt37x[] = {
+ /* XFER_UDMA_6 */ 0x12848242,
+ /* XFER_UDMA_5 */ 0x12848242,
+ /* XFER_UDMA_4 */ 0x12ac8242,
+ /* XFER_UDMA_3 */ 0x128c8242,
+ /* XFER_UDMA_2 */ 0x120c8242,
+ /* XFER_UDMA_1 */ 0x12148254,
+ /* XFER_UDMA_0 */ 0x121882ea,
+
+ /* XFER_MW_DMA_2 */ 0x22808242,
+ /* XFER_MW_DMA_1 */ 0x22808254,
+ /* XFER_MW_DMA_0 */ 0x228082ea,
+
+ /* XFER_PIO_4 */ 0x0a81f442,
+ /* XFER_PIO_3 */ 0x0a81f443,
+ /* XFER_PIO_2 */ 0x0a81f454,
+ /* XFER_PIO_1 */ 0x0ac1f465,
+ /* XFER_PIO_0 */ 0x0ac1f48a
};
-static struct chipset_bus_clock_list_entry fifty_base_hpt372[] = {
- { XFER_UDMA_6, 0x12848242 },
- { XFER_UDMA_5, 0x12848242 },
- { XFER_UDMA_4, 0x12ac8242 },
- { XFER_UDMA_3, 0x128c8242 },
- { XFER_UDMA_2, 0x120c8242 },
- { XFER_UDMA_1, 0x12148254 },
- { XFER_UDMA_0, 0x121882ea },
-
- { XFER_MW_DMA_2, 0x22808242 },
- { XFER_MW_DMA_1, 0x22808254 },
- { XFER_MW_DMA_0, 0x228082ea },
-
- { XFER_PIO_4, 0x0a81f442 },
- { XFER_PIO_3, 0x0a81f443 },
- { XFER_PIO_2, 0x0a81f454 },
- { XFER_PIO_1, 0x0ac1f465 },
- { XFER_PIO_0, 0x0ac1f48a },
- { 0, 0x0a81f443 }
-};
-
-static struct chipset_bus_clock_list_entry sixty_six_base_hpt372[] = {
- { XFER_UDMA_6, 0x1c869c62 },
- { XFER_UDMA_5, 0x1cae9c62 }, /* 0x1c8a9c62 */
- { XFER_UDMA_4, 0x1c8a9c62 },
- { XFER_UDMA_3, 0x1c8e9c62 },
- { XFER_UDMA_2, 0x1c929c62 },
- { XFER_UDMA_1, 0x1c9a9c62 },
- { XFER_UDMA_0, 0x1c829c62 },
-
- { XFER_MW_DMA_2, 0x2c829c62 },
- { XFER_MW_DMA_1, 0x2c829c66 },
- { XFER_MW_DMA_0, 0x2c829d2e },
-
- { XFER_PIO_4, 0x0c829c62 },
- { XFER_PIO_3, 0x0c829c84 },
- { XFER_PIO_2, 0x0c829ca6 },
- { XFER_PIO_1, 0x0d029d26 },
- { XFER_PIO_0, 0x0d029d5e },
- { 0, 0x0d029d26 }
+static u32 sixty_six_base_hpt37x[] = {
+ /* XFER_UDMA_6 */ 0x1c869c62,
+ /* XFER_UDMA_5 */ 0x1cae9c62, /* 0x1c8a9c62 */
+ /* XFER_UDMA_4 */ 0x1c8a9c62,
+ /* XFER_UDMA_3 */ 0x1c8e9c62,
+ /* XFER_UDMA_2 */ 0x1c929c62,
+ /* XFER_UDMA_1 */ 0x1c9a9c62,
+ /* XFER_UDMA_0 */ 0x1c829c62,
+
+ /* XFER_MW_DMA_2 */ 0x2c829c62,
+ /* XFER_MW_DMA_1 */ 0x2c829c66,
+ /* XFER_MW_DMA_0 */ 0x2c829d2e,
+
+ /* XFER_PIO_4 */ 0x0c829c62,
+ /* XFER_PIO_3 */ 0x0c829c84,
+ /* XFER_PIO_2 */ 0x0c829ca6,
+ /* XFER_PIO_1 */ 0x0d029d26,
+ /* XFER_PIO_0 */ 0x0d029d5e
};
#define HPT366_DEBUG_DRIVE_INFO 0
@@ -401,7 +354,7 @@ struct hpt_info
#define IS_3xxN 2
#define PCI_66MHZ 4
/* Speed table */
- struct chipset_bus_clock_list_entry *speed;
+ u32 *speed;
};
/*
@@ -538,12 +491,20 @@ static int check_in_drive_lists (ide_drive_t *drive, const char **list)
return 0;
}
-static unsigned int pci_bus_clock_list (u8 speed, struct chipset_bus_clock_list_entry * chipset_table)
+static u32 pci_bus_clock_list(u8 speed, u32 *chipset_table)
{
- for ( ; chipset_table->xfer_speed ; chipset_table++)
- if (chipset_table->xfer_speed == speed)
- return chipset_table->chipset_settings;
- return chipset_table->chipset_settings;
+ int i;
+
+ /*
+ * Lookup the transfer mode table to get the index into
+ * the timing table.
+ *
+ * NOTE: For XFER_PIO_SLOW, PIO mode 0 timings will be used.
+ */
+ for (i = 0; i < ARRAY_SIZE(xfer_speeds) - 1; i++)
+ if (xfer_speeds[i] == speed)
+ break;
+ return chipset_table[i];
}
static int hpt36x_tune_chipset(ide_drive_t *drive, u8 xferspeed)
@@ -1061,14 +1022,14 @@ static void __devinit hpt366_clocking(ide_hwif_t *hwif)
/* detect bus speed by looking at control reg timing: */
switch((reg1 >> 8) & 7) {
case 5:
- info->speed = forty_base_hpt366;
+ info->speed = forty_base_hpt36x;
break;
case 9:
- info->speed = twenty_five_base_hpt366;
+ info->speed = twenty_five_base_hpt36x;
break;
case 7:
default:
- info->speed = thirty_three_base_hpt366;
+ info->speed = thirty_three_base_hpt36x;
break;
}
}
@@ -1131,27 +1092,16 @@ static void __devinit hpt37x_clocking(ide_hwif_t *hwif)
pll = F_LOW_PCI_66;
if (pll == F_LOW_PCI_33) {
- if (info->revision >= 5)
- info->speed = thirty_three_base_hpt372;
- else if (info->revision >= 4)
- info->speed = thirty_three_base_hpt370a;
- else
- info->speed = thirty_three_base_hpt370;
+ info->speed = thirty_three_base_hpt37x;
printk(KERN_DEBUG "HPT37X: using 33MHz PCI clock\n");
} else if (pll == F_LOW_PCI_40) {
/* Unsupported */
} else if (pll == F_LOW_PCI_50) {
- if (info->revision >= 5)
- info->speed = fifty_base_hpt372;
- else
- info->speed = fifty_base_hpt370a;
+ info->speed = fifty_base_hpt37x;
printk(KERN_DEBUG "HPT37X: using 50MHz PCI clock\n");
} else {
- if (info->revision >= 5) {
- info->speed = sixty_six_base_hpt372;
- printk(KERN_DEBUG "HPT37X: using 66MHz PCI clock\n");
- } else
- printk(KERN_ERR "HPT37x: 66MHz timings not supported.\n");
+ info->speed = sixty_six_base_hpt37x;
+ printk(KERN_DEBUG "HPT37X: using 66MHz PCI clock\n");
}
}
@@ -1201,14 +1151,8 @@ static void __devinit hpt37x_clocking(ide_hwif_t *hwif)
pci_write_config_dword(dev, 0x5c,
pll & ~0x100);
pci_write_config_byte(dev, 0x5b, 0x21);
- if (info->revision >= 8)
- info->speed = fifty_base_hpt370a;
- else if (info->revision >= 5)
- info->speed = fifty_base_hpt372;
- else if (info->revision >= 4)
- info->speed = fifty_base_hpt370a;
- else
- info->speed = fifty_base_hpt370a;
+
+ info->speed = fifty_base_hpt37x;
printk("HPT37X: using 50MHz internal PLL\n");
goto init_hpt37X_done;
}
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-06 13:20:36 +0000