diff options
author | Marek Vasut <marex@denx.de> | 2014-10-22 21:34:46 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2014-10-27 14:35:55 +0100 |
commit | 4af5f0f3b4324bc9cdfed84912c673ea2273527c (patch) | |
tree | 864618fe3b7703608fcdc9814a23ecf980ef5f6a /board/icu862/pcmcia.c | |
parent | 03b004074fb641cffd7d2150505ef8afc13231bf (diff) | |
download | u-boot-imx-4af5f0f3b4324bc9cdfed84912c673ea2273527c.zip u-boot-imx-4af5f0f3b4324bc9cdfed84912c673ea2273527c.tar.gz u-boot-imx-4af5f0f3b4324bc9cdfed84912c673ea2273527c.tar.bz2 |
ppc: Zap ICU862 board
This board is the only user of CONFIG_SYS_EEPROM_X40430 , remove
it so the EEPROM command code can be cleansed of the related code
as well.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Tom Rini <trini@ti.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'board/icu862/pcmcia.c')
-rw-r--r-- | board/icu862/pcmcia.c | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/board/icu862/pcmcia.c b/board/icu862/pcmcia.c deleted file mode 100644 index dbe3c3c..0000000 --- a/board/icu862/pcmcia.c +++ /dev/null @@ -1,262 +0,0 @@ -#include <common.h> -#include <mpc8xx.h> -#include <pcmcia.h> - -#undef CONFIG_PCMCIA - -#if defined(CONFIG_CMD_PCMCIA) -#define CONFIG_PCMCIA -#endif - -#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_8xx_PCCARD) -#define CONFIG_PCMCIA -#endif - -#ifdef CONFIG_PCMCIA - -#define PCMCIA_BOARD_MSG "ICU862" - -static void cfg_port_B (void) -{ - volatile cpm8xx_t *cp; - uint reg; - - cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_cpm)); - - /* - * Configure Port B for TPS2205 PC-Card Power-Interface Switch - * - * Switch off all voltages, assert shutdown - */ - reg = cp->cp_pbdat; - reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ - TPS2205_VCC3 | TPS2205_VCC5 | /* VAVCC => Hi-Z */ - TPS2205_SHDN); /* enable switch */ - cp->cp_pbdat = reg; - - cp->cp_pbpar &= ~(TPS2205_INPUTS | TPS2205_OUTPUTS); - - reg = cp->cp_pbdir & ~(TPS2205_INPUTS); - cp->cp_pbdir = reg | TPS2205_OUTPUTS; - - debug ("Set Port B: PAR: %08x DIR: %08x DAT: %08x\n", - cp->cp_pbpar, cp->cp_pbdir, cp->cp_pbdat); -} - -int pcmcia_hardware_enable(int slot) -{ - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - volatile sysconf8xx_t *sysp; - uint reg, pipr, mask; - int i; - - debug ("hardware_enable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - udelay(10000); - - sysp = (sysconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_siu_conf)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia)); - cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_cpm)); - - /* Configure Port B for TPS2205 PC-Card Power-Interface Switch */ - cfg_port_B (); - - /* - * Configure SIUMCR to enable PCMCIA port B - * (VFLS[0:1] are not used for debugging, we connect FRZ# instead) - */ - sysp->sc_siumcr &= ~SIUMCR_DBGC11; /* set DBGC to 00 */ - - /* clear interrupt state, and disable interrupts */ - pcmp->pcmc_pscr = PCMCIA_MASK(_slot_); - pcmp->pcmc_per &= ~PCMCIA_MASK(_slot_); - - /* - * Disable interrupts, DMA, and PCMCIA buffers - * (isolate the interface) and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Make sure there is a card in the slot, then configure the interface. - */ - udelay(10000); - debug ("[%d] %s: PIPR(%p)=0x%x\n", - __LINE__,__FUNCTION__, - &(pcmp->pcmc_pipr),pcmp->pcmc_pipr); - if (pcmp->pcmc_pipr & (0x18000000 >> (slot << 4))) { - printf (" No Card found\n"); - return (1); - } - - /* - * Power On: Set VAVCC to 3.3V or 5V, set VAVPP to Hi-Z - */ - mask = PCMCIA_VS1(slot) | PCMCIA_VS2(slot); - pipr = pcmp->pcmc_pipr; - debug ("PIPR: 0x%x ==> VS1=o%s, VS2=o%s\n", - pipr, - (reg&PCMCIA_VS1(slot))?"n":"ff", - (reg&PCMCIA_VS2(slot))?"n":"ff"); - - reg = cp->cp_pbdat; - if ((pipr & mask) == mask) { - reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ - TPS2205_VCC3); /* 3V off */ - reg &= ~(TPS2205_VCC5); /* 5V on */ - puts (" 5.0V card found: "); - } else { - reg |= (TPS2205_VPP_PGM | TPS2205_VPP_VCC | /* VAVPP => Hi-Z */ - TPS2205_VCC5); /* 5V off */ - reg &= ~(TPS2205_VCC3); /* 3V on */ - puts (" 3.3V card found: "); - } - - debug ("\nPB DAT: %08x -> 3.3V %s 5.0V %s VPP_PGM %s VPP_VCC %s\n", - reg, - (reg & TPS2205_VCC3) ? "off" : "on", - (reg & TPS2205_VCC5) ? "off" : "on", - (reg & TPS2205_VPP_PGM) ? "off" : "on", - (reg & TPS2205_VPP_VCC) ? "off" : "on" ); - - cp->cp_pbdat = reg; - - /* Wait 500 ms; use this to check for over-current */ - for (i=0; i<5000; ++i) { - if ((cp->cp_pbdat & TPS2205_OC) == 0) { - printf (" *** Overcurrent - Safety shutdown ***\n"); - cp->cp_pbdat &= ~(TPS2205_SHDN); - return (1); - } - udelay (100); - } - - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(250000); /* some cards need >150 ms to come up :-( */ - - debug ("# hardware_enable done\n"); - - return (0); -} - - -#if defined(CONFIG_CMD_PCMCIA) -int pcmcia_hardware_disable(int slot) -{ - volatile immap_t *immap; - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("hardware_disable: " PCMCIA_BOARD_MSG " Slot %c\n", 'A'+slot); - - immap = (immap_t *)CONFIG_SYS_IMMR; - cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_cpm)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia)); - - /* Shut down */ - cp->cp_pbdat &= ~(TPS2205_SHDN); - - /* Configure PCMCIA General Control Register */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = 0; - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - - udelay(10000); - - return (0); -} -#endif - - -int pcmcia_voltage_set(int slot, int vcc, int vpp) -{ - volatile cpm8xx_t *cp; - volatile pcmconf8xx_t *pcmp; - u_long reg; - - debug ("voltage_set: " - PCMCIA_BOARD_MSG - " Slot %c, Vcc=%d.%d, Vpp=%d.%d\n", - 'A'+slot, vcc/10, vcc%10, vpp/10, vcc%10); - - cp = (cpm8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_cpm)); - pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia)); - /* - * Disable PCMCIA buffers (isolate the interface) - * and assert RESET signal - */ - debug ("Disable PCMCIA buffers and assert RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg |= __MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg |= __MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - /* - * Configure Port C pins for - * 5 Volts Enable and 3 Volts enable, - * Turn all power pins to Hi-Z - */ - debug ("PCMCIA power OFF\n"); - cfg_port_B (); /* Enables switch, but all in Hi-Z */ - - reg = cp->cp_pbdat; - - switch(vcc) { - case 0: break; /* Switch off */ - case 33: reg &= ~TPS2205_VCC3; break; /* Switch on 3.3V */ - case 50: reg &= ~TPS2205_VCC5; break; /* Switch on 5.0V */ - default: goto done; - } - - /* Checking supported voltages */ - - debug ("PIPR: 0x%x --> %s\n", - pcmp->pcmc_pipr, - (pcmp->pcmc_pipr & 0x00008000) ? "only 5 V" : "can do 3.3V"); - - cp->cp_pbdat = reg; - -#ifdef DEBUG -{ - char *s; - - if ((reg & TPS2205_VCC3) == 0) { - s = "at 3.3V"; - } else if ((reg & TPS2205_VCC5) == 0) { - s = "at 5.0V"; - } else { - s = "down"; - } - printf ("PCMCIA powered %s\n", s); -} -#endif - -done: - debug ("Enable PCMCIA buffers and stop RESET\n"); - reg = PCMCIA_PGCRX(_slot_); - reg &= ~__MY_PCMCIA_GCRX_CXRESET; /* active high */ - reg &= ~__MY_PCMCIA_GCRX_CXOE; /* active low */ - PCMCIA_PGCRX(_slot_) = reg; - udelay(500); - - debug ("voltage_set: " PCMCIA_BOARD_MSG " Slot %c, DONE\n", - slot+'A'); - return (0); -} - -#endif /* CONFIG_PCMCIA */ |