# include <status_led.h>
#endif
-#ifdef CONFIG_IDE_8xx_DIRECT
-DECLARE_GLOBAL_DATA_PTR;
-#endif
-
#ifdef __PPC__
# define EIEIO __asm__ volatile ("eieio")
# define SYNC __asm__ volatile ("sync")
# define SYNC /* nothing */
#endif
-#ifdef CONFIG_IDE_8xx_DIRECT
-/* Timings for IDE Interface
- *
- * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
- * 70 165 30 PIO-Mode 0, [ns]
- * 4 9 2 [Cycles]
- * 50 125 20 PIO-Mode 1, [ns]
- * 3 7 2 [Cycles]
- * 30 100 15 PIO-Mode 2, [ns]
- * 2 6 1 [Cycles]
- * 30 80 10 PIO-Mode 3, [ns]
- * 2 5 1 [Cycles]
- * 25 70 10 PIO-Mode 4, [ns]
- * 2 4 1 [Cycles]
- */
-
-const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
-{
- /* Setup Length Hold */
- { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
- { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
- { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
- { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
- { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
-};
-
-static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
-
-#ifndef CONFIG_SYS_PIO_MODE
-#define CONFIG_SYS_PIO_MODE 0 /* use a relaxed default */
-#endif
-static int pio_mode = CONFIG_SYS_PIO_MODE;
-
-/* Make clock cycles and always round up */
-
-#define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
-
-#endif /* CONFIG_IDE_8xx_DIRECT */
-
/* ------------------------------------------------------------------------- */
/* Current I/O Device */
#endif
-#ifdef CONFIG_IDE_8xx_DIRECT
-static void set_pcmcia_timing (int pmode);
-#endif
-
/* ------------------------------------------------------------------------- */
int do_ide(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
void ide_init(void)
{
-
-#ifdef CONFIG_IDE_8xx_DIRECT
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
- volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
-#endif
unsigned char c;
int i, bus;
#ifdef CONFIG_IDE_8xx_PCCARD
- extern int pcmcia_on(void);
extern int ide_devices_found; /* Initialized in check_ide_device() */
#endif /* CONFIG_IDE_8xx_PCCARD */
#ifdef CONFIG_IDE_PREINIT
- extern int ide_preinit(void);
-
WATCHDOG_RESET();
if (ide_preinit()) {
}
#endif /* CONFIG_IDE_PREINIT */
-#ifdef CONFIG_IDE_8xx_PCCARD
- extern int pcmcia_on(void);
- extern int ide_devices_found; /* Initialized in check_ide_device() */
-
WATCHDOG_RESET();
- ide_devices_found = 0;
- /* initialize the PCMCIA IDE adapter card */
- pcmcia_on();
- if (!ide_devices_found)
- return;
- udelay(1000000); /* 1 s */
-#endif /* CONFIG_IDE_8xx_PCCARD */
-
- WATCHDOG_RESET();
-
-#ifdef CONFIG_IDE_8xx_DIRECT
- /* Initialize PIO timing tables */
- for (i = 0; i <= IDE_MAX_PIO_MODE; ++i) {
- pio_config_clk[i].t_setup =
- PCMCIA_MK_CLKS(pio_config_ns[i].t_setup, gd->bus_clk);
- pio_config_clk[i].t_length =
- PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
- gd->bus_clk);
- pio_config_clk[i].t_hold =
- PCMCIA_MK_CLKS(pio_config_ns[i].t_hold, gd->bus_clk);
- debug("PIO Mode %d: setup=%2d ns/%d clk" " len=%3d ns/%d clk"
- " hold=%2d ns/%d clk\n", i, pio_config_ns[i].t_setup,
- pio_config_clk[i].t_setup, pio_config_ns[i].t_length,
- pio_config_clk[i].t_length, pio_config_ns[i].t_hold,
- pio_config_clk[i].t_hold);
- }
-#endif /* CONFIG_IDE_8xx_DIRECT */
-
/*
* Reset the IDE just to be sure.
* Light LED's to show
/* ATAPI Drives seems to need a proper IDE Reset */
ide_reset();
-#ifdef CONFIG_IDE_8xx_DIRECT
- /* PCMCIA / IDE initialization for common mem space */
- pcmp->pcmc_pgcrb = 0;
+#ifdef CONFIG_IDE_INIT_POSTRESET
+ WATCHDOG_RESET();
- /* start in PIO mode 0 - most relaxed timings */
- pio_mode = 0;
- set_pcmcia_timing(pio_mode);
-#endif /* CONFIG_IDE_8xx_DIRECT */
+ if (ide_init_postreset()) {
+ puts("ide_preinit_postreset failed\n");
+ return;
+ }
+#endif /* CONFIG_IDE_INIT_POSTRESET */
/*
* Wait for IDE to get ready.
}
#endif
-
-#ifdef CONFIG_IDE_8xx_DIRECT
-
-static void set_pcmcia_timing(int pmode)
-{
- volatile immap_t *immr = (immap_t *) CONFIG_SYS_IMMR;
- volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
- ulong timings;
-
- debug("Set timing for PIO Mode %d\n", pmode);
-
- timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
- | PCMCIA_SST(pio_config_clk[pmode].t_setup)
- | PCMCIA_SL(pio_config_clk[pmode].t_length);
-
- /*
- * IDE 0
- */
- pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_PBR0;
- pcmp->pcmc_por0 = CONFIG_SYS_PCMCIA_POR0
-#if (CONFIG_SYS_PCMCIA_POR0 != 0)
- | timings
-#endif
- ;
- debug("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
-
- pcmp->pcmc_pbr1 = CONFIG_SYS_PCMCIA_PBR1;
- pcmp->pcmc_por1 = CONFIG_SYS_PCMCIA_POR1
-#if (CONFIG_SYS_PCMCIA_POR1 != 0)
- | timings
-#endif
- ;
- debug("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
-
- pcmp->pcmc_pbr2 = CONFIG_SYS_PCMCIA_PBR2;
- pcmp->pcmc_por2 = CONFIG_SYS_PCMCIA_POR2
-#if (CONFIG_SYS_PCMCIA_POR2 != 0)
- | timings
-#endif
- ;
- debug("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
-
- pcmp->pcmc_pbr3 = CONFIG_SYS_PCMCIA_PBR3;
- pcmp->pcmc_por3 = CONFIG_SYS_PCMCIA_POR3
-#if (CONFIG_SYS_PCMCIA_POR3 != 0)
- | timings
-#endif
- ;
- debug("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
-
- /*
- * IDE 1
- */
- pcmp->pcmc_pbr4 = CONFIG_SYS_PCMCIA_PBR4;
- pcmp->pcmc_por4 = CONFIG_SYS_PCMCIA_POR4
-#if (CONFIG_SYS_PCMCIA_POR4 != 0)
- | timings
-#endif
- ;
- debug("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
-
- pcmp->pcmc_pbr5 = CONFIG_SYS_PCMCIA_PBR5;
- pcmp->pcmc_por5 = CONFIG_SYS_PCMCIA_POR5
-#if (CONFIG_SYS_PCMCIA_POR5 != 0)
- | timings
-#endif
- ;
- debug("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
-
- pcmp->pcmc_pbr6 = CONFIG_SYS_PCMCIA_PBR6;
- pcmp->pcmc_por6 = CONFIG_SYS_PCMCIA_POR6
-#if (CONFIG_SYS_PCMCIA_POR6 != 0)
- | timings
-#endif
- ;
- debug("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
-
- pcmp->pcmc_pbr7 = CONFIG_SYS_PCMCIA_PBR7;
- pcmp->pcmc_por7 = CONFIG_SYS_PCMCIA_POR7
-#if (CONFIG_SYS_PCMCIA_POR7 != 0)
- | timings
-#endif
- ;
- debug("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
-
-}
-
-#endif /* CONFIG_IDE_8xx_DIRECT */
-
/* ------------------------------------------------------------------------- */
/* We only need to swap data if we are running on a big endian cpu. */
projects / karo-tx-uboot.git / blobdiff