From: Ralph Kondziella rk@argos-messtechnik.de
Original patch from Ralph Kondziella plus clean up by Wolfgang Denk plus changes by John Rigby use ips clock not lpc port forward to current u-boot release
Signed-off-by: Ralph Kondziella rk@argos-messtechnik.de Signed-off-by: Wolfgang Denk wd@denx.de Signed-off-by: John Rigby jrigby@freescale.com --- board/ads5121/ads5121.c | 104 ++++++++++++++++++++++++++++++++++++++++++ common/cmd_ide.c | 4 ++ include/asm-ppc/immap_512x.h | 29 +++++++++++- include/configs/ads5121.h | 52 +++++++++++++++++++++ include/mpc512x.h | 1 + 5 files changed, 189 insertions(+), 1 deletions(-)
diff --git a/board/ads5121/ads5121.c b/board/ads5121/ads5121.c index ae1ccd9..6c40e94 100644 --- a/board/ads5121/ads5121.c +++ b/board/ads5121/ads5121.c @@ -31,6 +31,8 @@ #include <i2c.h> #endif
+DECLARE_GLOBAL_DATA_PTR; + /* Clocks in use */ #define SCCR1_CLOCKS_EN (CLOCK_SCCR1_CFG_EN | \ CLOCK_SCCR1_LPC_EN | \ @@ -38,6 +40,7 @@ CLOCK_SCCR1_PSCFIFO_EN | \ CLOCK_SCCR1_DDR_EN | \ CLOCK_SCCR1_FEC_EN | \ + CLOCK_SCCR1_PATA_EN | \ CLOCK_SCCR1_PCI_EN | \ CLOCK_SCCR1_TPR_EN)
@@ -326,3 +329,104 @@ void ft_board_setup(void *blob, bd_t *bd) fdt_fixup_memory(blob, (u64)bd->bi_memstart, (u64)bd->bi_memsize); } #endif /* defined(CONFIG_OF_LIBFDT) && defined(CONFIG_OF_BOARD_SETUP) */ + +#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET) + +void init_ide_reset (void) +{ + volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; + debug ("init_ide_reset\n"); + + /* + * Clear the reset bit to reset the interface + * cf. RefMan MPC5121EE: 28.4.1 Resetting the ATA Bus + */ + immr->pata.pata_ata_control = 0; + udelay(100); + /* Assert the reset bit to enable the interface */ + immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B; + udelay(100); + +} + +void ide_set_reset (int idereset) +{ + volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; + debug ("ide_set_reset(%d)\n", idereset); + + if (idereset) { + immr->pata.pata_ata_control = 0; + udelay(100); + } else { + immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B; + udelay(100); + } +} + +#define CALC_TIMING(t) (t + period - 1) / period + +int ide_preinit (void) +{ + volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR; + long t; + const struct { + short t0; + short t1; + short t2_8; + short t2_16; + short t2i; + short t4; + short t9; + short tA; + } pio_specs = { + .t0 = 600, + .t1 = 70, + .t2_8 = 290, + .t2_16 = 165, + .t2i = 0, + .t4 = 30, + .t9 = 20, + .tA = 50, + }; + union { + u32 config; + struct { + u8 field1; + u8 field2; + u8 field3; + u8 field4; + }bytes; + }cfg; + + debug ("IDE preinit using PATA peripheral at IMMR-ADDR %08x\n", + (u32)&immr->pata); + + /* Set the reset bit to 1 to enable the interface */ + immr->pata.pata_ata_control = FSL_ATA_CTRL_ATA_RST_B; + + /* Init timings : we use PIO mode 0 timings */ + t = 1000000000 / gd->ips_clk; /* period in ns */ + cfg.bytes.field1 = 3; + cfg.bytes.field2 = 3; + cfg.bytes.field3 = (pio_specs.t1 + t) / t; + cfg.bytes.field4 = (pio_specs.t2_8 + t) / t; + + immr->pata.pata_time1 = cfg.config; + + cfg.bytes.field1 = (pio_specs.t2_8 + t) / t; + cfg.bytes.field2 = (pio_specs.tA + t) / t + 2; + cfg.bytes.field3 = 1; + cfg.bytes.field4 = (pio_specs.t4 + t) / t; + + immr->pata.pata_time2 = cfg.config; + + cfg.config = immr->pata.pata_time3; + cfg.bytes.field1 = (pio_specs.t9 + t) / t; + + immr->pata.pata_time3 = cfg.config; + debug ("PATA preinit complete.\n"); + + return 0; +} + +#endif /* defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET) */ diff --git a/common/cmd_ide.c b/common/cmd_ide.c index db05f76..3a12b37 100644 --- a/common/cmd_ide.c +++ b/common/cmd_ide.c @@ -45,6 +45,10 @@ #include <mpc5xxx.h> #endif
+#ifdef CONFIG_MPC512X +#include <mpc512x.h> +#endif + #include <ide.h> #include <ata.h>
diff --git a/include/asm-ppc/immap_512x.h b/include/asm-ppc/immap_512x.h index 4cef6a8..8087869 100644 --- a/include/asm-ppc/immap_512x.h +++ b/include/asm-ppc/immap_512x.h @@ -469,7 +469,34 @@ typedef struct lpc512x { * PATA */ typedef struct pata512x { - u8 fixme[0x100]; + /* LOCAL Registers */ + u32 pata_time1; /* Time register 1: PIO and tx timing parameter */ + u32 pata_time2; /* Time register 2: PIO timing parameter */ + u32 pata_time3; /* Time register 3: PIO and MDMA timing parameter */ + u32 pata_time4; /* Time register 4: MDMA and UDMA timing parameter */ + u32 pata_time5; /* Time register 5: UDMA timing parameter */ + u32 pata_time6; /* Time register 6: UDMA timing parameter */ + u32 pata_fifo_data32; /* 32bit wide dataport to/from FIFO */ + u32 pata_fifo_data16; /* 16bit wide dataport to/from FIFO */ + u32 pata_fifo_fill; /* FIFO filling in halfwords (READONLY)*/ + u32 pata_ata_control; /* ATA Interface control register */ + u32 pata_irq_pending; /* Interrupt pending register (READONLY) */ + u32 pata_irq_enable; /* Interrupt enable register */ + u32 pata_irq_clear; /* Interrupt clear register (WRITEONLY)*/ + u32 pata_fifo_alarm; /* fifo alarm threshold */ + u32 res1[0x1A]; + /* DRIVE Registers */ + u32 pata_drive_data; /* drive data register*/ + u32 pata_drive_features;/* drive features register */ + u32 pata_drive_sectcnt; /* drive sector count register */ + u32 pata_drive_sectnum; /* drive sector number register */ + u32 pata_drive_cyllow; /* drive cylinder low register */ + u32 pata_drive_cylhigh; /* drive cylinder high register */ + u32 pata_drive_dev_head;/* drive device head register */ + u32 pata_drive_command; /* write = drive command, read = drive status reg */ + u32 res2[0x06]; + u32 pata_drive_alt_stat;/* write = drive control, read = drive alt status reg */ + u32 res3[0x09]; } pata512x_t;
/* diff --git a/include/configs/ads5121.h b/include/configs/ads5121.h index 0aca4a5..8fda3f2 100644 --- a/include/configs/ads5121.h +++ b/include/configs/ads5121.h @@ -355,11 +355,19 @@ #define CONFIG_CMD_EEPROM #define CONFIG_CMD_DATE #undef CONFIG_CMD_FUSE +#define CONFIG_CMD_IDE +#define CONFIG_CMD_EXT2
#if defined(CONFIG_PCI) #define CONFIG_CMD_PCI #endif
+#if defined(CONFIG_CMD_IDE) +#define CONFIG_DOS_PARTITION +#define CONFIG_MAC_PARTITION +#define CONFIG_ISO_PARTITION +#endif /* defined(CONFIG_CMD_IDE) */ + /* * Watchdog timeout = CONFIG_SYS_WATCHDOG_VALUE * 65536 / IPS clock. * For example, when IPS is set to 66MHz and CONFIG_SYS_WATCHDOG_VALUE is set @@ -496,4 +504,48 @@ #define OF_TBCLK (bd->bi_busfreq / 4) #define OF_STDOUT_PATH "/soc@80000000/serial@11300"
+/*----------------------------------------------------------------------- + * IDE/ATA stuff + *----------------------------------------------------------------------- + */ + +#undef CONFIG_IDE_8xx_PCCARD /* Use IDE with PC Card Adapter */ +#undef CONFIG_IDE_8xx_DIRECT /* Direct IDE not supported */ +#undef CONFIG_IDE_LED /* LED for IDE not supported */ + +#define CONFIG_IDE_RESET /* reset for IDE supported */ +#define CONFIG_IDE_PREINIT + +#define CONFIG_SYS_IDE_MAXBUS 1 /* max. 1 IDE bus */ +#define CONFIG_SYS_IDE_MAXDEVICE 2 /* max. 1 drive per IDE bus */ + +#define CONFIG_SYS_ATA_IDE0_OFFSET 0x0000 +#define CONFIG_SYS_ATA_BASE_ADDR MPC512X_PATA + +/* Offset for data I/O RefMan MPC5121EE Table 28-10 */ +#define CONFIG_SYS_ATA_DATA_OFFSET (0x00A0) + +/* Offset for normal register accesses */ +#define CONFIG_SYS_ATA_REG_OFFSET (CONFIG_SYS_ATA_DATA_OFFSET) + +/* Offset for alternate registers RefMan MPC5121EE Table 28-23 */ +#define CONFIG_SYS_ATA_ALT_OFFSET (0x00D8) + +/* Interval between registers */ +#define CONFIG_SYS_ATA_STRIDE 4 + +#define ATA_BASE_ADDR MPC512X_PATA + +/* + * Control register bit definitions + */ +#define FSL_ATA_CTRL_FIFO_RST_B 0x80000000 +#define FSL_ATA_CTRL_ATA_RST_B 0x40000000 +#define FSL_ATA_CTRL_FIFO_TX_EN 0x20000000 +#define FSL_ATA_CTRL_FIFO_RCV_EN 0x10000000 +#define FSL_ATA_CTRL_DMA_PENDING 0x08000000 +#define FSL_ATA_CTRL_DMA_ULTRA 0x04000000 +#define FSL_ATA_CTRL_DMA_WRITE 0x02000000 +#define FSL_ATA_CTRL_IORDY_EN 0x01000000 + #endif /* __CONFIG_H */ diff --git a/include/mpc512x.h b/include/mpc512x.h index 714287c..0f02293 100644 --- a/include/mpc512x.h +++ b/include/mpc512x.h @@ -573,6 +573,7 @@ void iopin_initialize(iopin_t *,int);
/* Register Offset Base */ #define MPC512X_FEC (CONFIG_SYS_IMMR + 0x02800) +#define MPC512X_PATA (CONFIG_SYS_IMMR + 0x10200)
/* IIM control */ #define IIM_SET_UA(bk, f) ((bk << 3) | (f >> 5))