diff options
Diffstat (limited to 'drivers/i82365.c')
| -rwxr-xr-x | drivers/i82365.c | 1014 |
1 files changed, 1014 insertions, 0 deletions
diff --git a/drivers/i82365.c b/drivers/i82365.c new file mode 100755 index 0000000..a40fcf4 --- /dev/null +++ b/drivers/i82365.c @@ -0,0 +1,1014 @@ +/* + * (C) Copyright 2003-2005 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ******************************************************************** + * + * Lots of code copied from: + * + * i82365.c 1.352 - Linux driver for Intel 82365 and compatible + * PC Card controllers, and Yenta-compatible PCI-to-CardBus controllers. + * (C) 1999 David A. Hinds <dahinds@users.sourceforge.net> + */ + +#include <common.h> + +#ifdef CONFIG_I82365 + +#include <command.h> +#include <pci.h> +#include <pcmcia.h> +#include <asm/io.h> + +#include <pcmcia/ss.h> +#include <pcmcia/i82365.h> +#include <pcmcia/yenta.h> +#ifdef CONFIG_CPC45 +#include <pcmcia/cirrus.h> +#else +#include <pcmcia/ti113x.h> +#endif + +static struct pci_device_id supported[] = { +#ifdef CONFIG_CPC45 + {PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_6729}, +#else + {PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510}, +#endif + {0, 0} +}; + +#define CYCLE_TIME 120 + +#ifdef CONFIG_CPC45 +extern int SPD67290Init (void); +#endif + +#ifdef DEBUG +static void i82365_dump_regions (pci_dev_t dev); +#endif + +typedef struct socket_info_t { + pci_dev_t dev; + u_short bcr; + u_char pci_lat, cb_lat, sub_bus, cache; + u_int cb_phys; + + socket_cap_t cap; + u_short type; + u_int flags; +#ifdef CONFIG_CPC45 + cirrus_state_t c_state; +#else + ti113x_state_t state; +#endif +} socket_info_t; + +#ifdef CONFIG_CPC45 +/* These definitions must match the pcic table! */ +typedef enum pcic_id { + IS_PD6710, IS_PD672X, IS_VT83C469 +} pcic_id; + +typedef struct pcic_t { + char *name; +} pcic_t; + +static pcic_t pcic[] = { + {" Cirrus PD6710: "}, + {" Cirrus PD672x: "}, + {" VIA VT83C469: "}, +}; +#endif + +static socket_info_t socket; +static socket_state_t state; +static struct pccard_mem_map mem; +static struct pccard_io_map io; + +/*====================================================================*/ + +/* Some PCI shortcuts */ + +static int pci_readb (socket_info_t * s, int r, u_char * v) +{ + return pci_read_config_byte (s->dev, r, v); +} +static int pci_writeb (socket_info_t * s, int r, u_char v) +{ + return pci_write_config_byte (s->dev, r, v); +} +static int pci_readw (socket_info_t * s, int r, u_short * v) +{ + return pci_read_config_word (s->dev, r, v); +} +static int pci_writew (socket_info_t * s, int r, u_short v) +{ + return pci_write_config_word (s->dev, r, v); +} +#ifndef CONFIG_CPC45 +static int pci_readl (socket_info_t * s, int r, u_int * v) +{ + return pci_read_config_dword (s->dev, r, v); +} +static int pci_writel (socket_info_t * s, int r, u_int v) +{ + return pci_write_config_dword (s->dev, r, v); +} +#endif /* !CONFIG_CPC45 */ + +/*====================================================================*/ + +#ifdef CONFIG_CPC45 + +#define cb_readb(s) readb((s)->cb_phys + 1) +#define cb_writeb(s, v) writeb(v, (s)->cb_phys) +#define cb_writeb2(s, v) writeb(v, (s)->cb_phys + 1) +#define cb_readl(s, r) readl((s)->cb_phys + (r)) +#define cb_writel(s, r, v) writel(v, (s)->cb_phys + (r)) + + +static u_char i365_get (socket_info_t * s, u_short reg) +{ + u_char val; +#ifdef CONFIG_PCMCIA_SLOT_A + int slot = 0; +#else + int slot = 1; +#endif + + val = I365_REG (slot, reg); + + cb_writeb (s, val); + val = cb_readb (s); + + debug ("i365_get slot:%x reg: %x val: %x\n", slot, reg, val); + return val; +} + +static void i365_set (socket_info_t * s, u_short reg, u_char data) +{ +#ifdef CONFIG_PCMCIA_SLOT_A + int slot = 0; +#else + int slot = 1; +#endif + u_char val; + + val = I365_REG (slot, reg); + + cb_writeb (s, val); + cb_writeb2 (s, data); + + debug ("i365_set slot:%x reg: %x data:%x\n", slot, reg, data); +} + +#else /* ! CONFIG_CPC45 */ + +#define cb_readb(s, r) readb((s)->cb_phys + (r)) +#define cb_readl(s, r) readl((s)->cb_phys + (r)) +#define cb_writeb(s, r, v) writeb(v, (s)->cb_phys + (r)) +#define cb_writel(s, r, v) writel(v, (s)->cb_phys + (r)) + +static u_char i365_get (socket_info_t * s, u_short reg) +{ + return cb_readb (s, 0x0800 + reg); +} + +static void i365_set (socket_info_t * s, u_short reg, u_char data) +{ + cb_writeb (s, 0x0800 + reg, data); +} +#endif /* CONFIG_CPC45 */ + +static void i365_bset (socket_info_t * s, u_short reg, u_char mask) +{ + i365_set (s, reg, i365_get (s, reg) | mask); +} + +static void i365_bclr (socket_info_t * s, u_short reg, u_char mask) +{ + i365_set (s, reg, i365_get (s, reg) & ~mask); +} + +#if 0 /* not used */ +static void i365_bflip (socket_info_t * s, u_short reg, u_char mask, int b) +{ + u_char d = i365_get (s, reg); + + i365_set (s, reg, (b) ? (d | mask) : (d & ~mask)); +} + +static u_short i365_get_pair (socket_info_t * s, u_short reg) +{ + return (i365_get (s, reg) + (i365_get (s, reg + 1) << 8)); +} +#endif /* not used */ + +static void i365_set_pair (socket_info_t * s, u_short reg, u_short data) +{ + i365_set (s, reg, data & 0xff); + i365_set (s, reg + 1, data >> 8); +} + +#ifdef CONFIG_CPC45 +/*====================================================================== + + Code to save and restore global state information for Cirrus + PD67xx controllers, and to set and report global configuration + options. + +======================================================================*/ + +#define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b)))) + +static void cirrus_get_state (socket_info_t * s) +{ + int i; + cirrus_state_t *p = &s->c_state; + + p->misc1 = i365_get (s, PD67_MISC_CTL_1); + p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA); + p->misc2 = i365_get (s, PD67_MISC_CTL_2); + for (i = 0; i < 6; i++) + p->timer[i] = i365_get (s, PD67_TIME_SETUP (0) + i); + +} + +static void cirrus_set_state (socket_info_t * s) +{ + int i; + u_char misc; + cirrus_state_t *p = &s->c_state; + + misc = i365_get (s, PD67_MISC_CTL_2); + i365_set (s, PD67_MISC_CTL_2, p->misc2); + if (misc & PD67_MC2_SUSPEND) + udelay (50000); + misc = i365_get (s, PD67_MISC_CTL_1); + misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA); + i365_set (s, PD67_MISC_CTL_1, misc | p->misc1); + for (i = 0; i < 6; i++) + i365_set (s, PD67_TIME_SETUP (0) + i, p->timer[i]); +} + +static u_int cirrus_set_opts (socket_info_t * s) +{ + cirrus_state_t *p = &s->c_state; + u_int mask = 0xffff; +#if DEBUG + char buf[200]; + + memset (buf, 0, 200); +#endif + + if (has_ring == -1) + has_ring = 1; + flip (p->misc2, PD67_MC2_IRQ15_RI, has_ring); + flip (p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode); +#if DEBUG + if (p->misc2 & PD67_MC2_IRQ15_RI) + strcat (buf, " [ring]"); + if (p->misc2 & PD67_MC2_DYNAMIC_MODE) + strcat (buf, " [dyn mode]"); + if (p->misc1 & PD67_MC1_INPACK_ENA) + strcat (buf, " [inpack]"); +#endif + + if (p->misc2 & PD67_MC2_IRQ15_RI) + mask &= ~0x8000; + if (has_led > 0) { +#if DEBUG + strcat (buf, " [led]"); +#endif + mask &= ~0x1000; + } + if (has_dma > 0) { +#if DEBUG + strcat (buf, " [dma]"); +#endif + mask &= ~0x0600; + flip (p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass); +#if DEBUG + if (p->misc2 & PD67_MC2_FREQ_BYPASS) + strcat (buf, " [freq bypass]"); +#endif + } + + if (setup_time >= 0) + p->timer[0] = p->timer[3] = setup_time; + if (cmd_time > 0) { + p->timer[1] = cmd_time; + p->timer[4] = cmd_time * 2 + 4; + } + if (p->timer[1] == 0) { + p->timer[1] = 6; + p->timer[4] = 16; + if (p->timer[0] == 0) + p->timer[0] = p->timer[3] = 1; + } + if (recov_time >= 0) + p->timer[2] = p->timer[5] = recov_time; + + debug ("i82365 Opt: %s [%d/%d/%d] [%d/%d/%d]\n", + buf, + p->timer[0], p->timer[1], p->timer[2], + p->timer[3], p->timer[4], p->timer[5]); + + return mask; +} + +#else /* !CONFIG_CPC45 */ + +/*====================================================================== + + Code to save and restore global state information for TI 1130 and + TI 1131 controllers, and to set and report global configuration + options. + +======================================================================*/ + +static void ti113x_get_state (socket_info_t * s) +{ + ti113x_state_t *p = &s->state; + + pci_readl (s, TI113X_SYSTEM_CONTROL, &p->sysctl); + pci_readb (s, TI113X_CARD_CONTROL, &p->cardctl); + pci_readb (s, TI113X_DEVICE_CONTROL, &p->devctl); + pci_readb (s, TI1250_DIAGNOSTIC, &p->diag); + pci_readl (s, TI12XX_IRQMUX, &p->irqmux); +} + +static void ti113x_set_state (socket_info_t * s) +{ + ti113x_state_t *p = &s->state; + + pci_writel (s, TI113X_SYSTEM_CONTROL, p->sysctl); + pci_writeb (s, TI113X_CARD_CONTROL, p->cardctl); + pci_writeb (s, TI113X_DEVICE_CONTROL, p->devctl); + pci_writeb (s, TI1250_MULTIMEDIA_CTL, 0); + pci_writeb (s, TI1250_DIAGNOSTIC, p->diag); + pci_writel (s, TI12XX_IRQMUX, p->irqmux); + i365_set_pair (s, TI113X_IO_OFFSET (0), 0); + i365_set_pair (s, TI113X_IO_OFFSET (1), 0); +} + +static u_int ti113x_set_opts (socket_info_t * s) +{ + ti113x_state_t *p = &s->state; + u_int mask = 0xffff; + + p->cardctl &= ~TI113X_CCR_ZVENABLE; + p->cardctl |= TI113X_CCR_SPKROUTEN; + + return mask; +} +#endif /* CONFIG_CPC45 */ + +/*====================================================================== + + Routines to handle common CardBus options + +======================================================================*/ + +/* Default settings for PCI command configuration register */ +#define CMD_DFLT (PCI_COMMAND_IO|PCI_COMMAND_MEMORY| \ + PCI_COMMAND_MASTER|PCI_COMMAND_WAIT) + +static void cb_get_state (socket_info_t * s) +{ + pci_readb (s, PCI_CACHE_LINE_SIZE, &s->cache); + pci_readb (s, PCI_LATENCY_TIMER, &s->pci_lat); + pci_readb (s, CB_LATENCY_TIMER, &s->cb_lat); + pci_readb (s, CB_CARDBUS_BUS, &s->cap.cardbus); + pci_readb (s, CB_SUBORD_BUS, &s->sub_bus); + pci_readw (s, CB_BRIDGE_CONTROL, &s->bcr); +} + +static void cb_set_state (socket_info_t * s) +{ +#ifndef CONFIG_CPC45 + pci_writel (s, CB_LEGACY_MODE_BASE, 0); + pci_writel (s, PCI_BASE_ADDRESS_0, s->cb_phys); +#endif + pci_writew (s, PCI_COMMAND, CMD_DFLT); + pci_writeb (s, PCI_CACHE_LINE_SIZE, s->cache); + pci_writeb (s, PCI_LATENCY_TIMER, s->pci_lat); + pci_writeb (s, CB_LATENCY_TIMER, s->cb_lat); + pci_writeb (s, CB_CARDBUS_BUS, s->cap.cardbus); + pci_writeb (s, CB_SUBORD_BUS, s->sub_bus); + pci_writew (s, CB_BRIDGE_CONTROL, s->bcr); +} + +static void cb_set_opts (socket_info_t * s) +{ +#ifndef CONFIG_CPC45 + if (s->cache == 0) + s->cache = 8; + if (s->pci_lat == 0) + s->pci_lat = 0xa8; + if (s->cb_lat == 0) + s->cb_lat = 0xb0; +#endif +} + +/*====================================================================== + + Power control for Cardbus controllers: used both for 16-bit and + Cardbus cards. + +======================================================================*/ + +static int cb_set_power (socket_info_t * s, socket_state_t * state) +{ + u_int reg = 0; + +#ifdef CONFIG_CPC45 + + reg = I365_PWR_NORESET; + if (state->flags & SS_PWR_AUTO) + reg |= I365_PWR_AUTO; + if (state->flags & SS_OUTPUT_ENA) + reg |= I365_PWR_OUT; + if (state->Vpp != 0) { + if (state->Vpp == 120) { + reg |= I365_VPP1_12V; + puts (" 12V card found: "); + } else if (state->Vpp == state->Vcc) { + reg |= I365_VPP1_5V; + } else { + puts (" power not found: "); + return -1; + } + } + if (state->Vcc != 0) { + reg |= I365_VCC_5V; + if (state->Vcc == 33) { + puts (" 3.3V card found: "); + i365_bset (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); + } else if (state->Vcc == 50) { + puts (" 5V card found: "); + i365_bclr (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); + } else { + puts (" power not found: "); + return -1; + } + } + + if (reg != i365_get (s, I365_POWER)) { + reg = (I365_PWR_OUT | I365_PWR_NORESET | I365_VCC_5V | I365_VPP1_5V); + i365_set (s, I365_POWER, reg); + } + +#else /* ! CONFIG_CPC45 */ + + /* restart card voltage detection if it seems appropriate */ + if ((state->Vcc == 0) && (state->Vpp == 0) && + !(cb_readl (s, CB_SOCKET_STATE) & CB_SS_VSENSE)) + cb_writel (s, CB_SOCKET_FORCE, CB_SF_CVSTEST); + switch (state->Vcc) { + case 0: + reg = 0; + break; + case 33: + reg = CB_SC_VCC_3V; + break; + case 50: + reg = CB_SC_VCC_5V; + break; + default: + return -1; + } + switch (state->Vpp) { + case 0: + break; + case 33: + reg |= CB_SC_VPP_3V; + break; + case 50: + reg |= CB_SC_VPP_5V; + break; + case 120: + reg |= CB_SC_VPP_12V; + break; + default: + return -1; + } + if (reg != cb_readl (s, CB_SOCKET_CONTROL)) + cb_writel (s, CB_SOCKET_CONTROL, reg); +#endif /* CONFIG_CPC45 */ + return 0; +} + +/*====================================================================== + + Generic routines to get and set controller options + +======================================================================*/ + +static void get_bridge_state (socket_info_t * s) +{ +#ifdef CONFIG_CPC45 + cirrus_get_state (s); +#else + ti113x_get_state (s); +#endif + cb_get_state (s); +} + +static void set_bridge_state (socket_info_t * s) +{ + cb_set_state (s); + i365_set (s, I365_GBLCTL, 0x00); + i365_set (s, I365_GENCTL, 0x00); +#ifdef CONFIG_CPC45 + cirrus_set_state (s); +#else + ti113x_set_state (s); +#endif +} + +static void set_bridge_opts (socket_info_t * s) +{ +#ifdef CONFIG_CPC45 + cirrus_set_opts (s); +#else + ti113x_set_opts (s); +#endif + cb_set_opts (s); +} + +/*====================================================================*/ +#define PD67_EXT_INDEX 0x2e /* Extension index */ +#define PD67_EXT_DATA 0x2f /* Extension data */ +#define PD67_EXD_VS1(s) (0x01 << ((s)<<1)) + +#define pd67_ext_get(s, r) \ + (i365_set(s, PD67_EXT_INDEX, r), i365_get(s, PD67_EXT_DATA)) + +static int i365_get_status (socket_info_t * s, u_int * value) +{ + u_int status; +#ifdef CONFIG_CPC45 + u_char val; + u_char power, vcc, vpp; + u_int powerstate; +#endif + + status = i365_get (s, I365_IDENT); + status = i365_get (s, I365_STATUS); + *value = ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0; + if (i365_get (s, I365_INTCTL) & I365_PC_IOCARD) { + *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG; + } else { + *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD; + *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN; + } + *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0; + *value |= (status & I365_CS_READY) ? SS_READY : 0; + *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0; + +#ifdef CONFIG_CPC45 + /* Check for Cirrus CL-PD67xx chips */ + i365_set (s, PD67_CHIP_INFO, 0); + val = i365_get (s, PD67_CHIP_INFO); + s->type = -1; + if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) { + val = i365_get (s, PD67_CHIP_INFO); + if ((val & PD67_INFO_CHIP_ID) == 0) { + s->type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710; + i365_set (s, PD67_EXT_INDEX, 0xe5); + if (i365_get (s, PD67_EXT_INDEX) != 0xe5) + s->type = IS_VT83C469; + } + } else { + printf ("no Cirrus Chip found\n"); + *value = 0; + return -1; + } + + power = i365_get (s, I365_POWER); + state.flags |= (power & I365_PWR_AUTO) ? SS_PWR_AUTO : 0; + state.flags |= (power & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0; + vcc = power & I365_VCC_MASK; + vpp = power & I365_VPP1_MASK; + state.Vcc = state.Vpp = 0; + if((vcc== 0) || (vpp == 0)) { + /* + * On the Cirrus we get the info which card voltage + * we have in EXTERN DATA and write it to MISC_CTL1 + */ + powerstate = pd67_ext_get(s, PD67_EXTERN_DATA); + if (powerstate & PD67_EXD_VS1(0)) { + /* 5V Card */ + i365_bclr (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); + } else { + /* 3.3V Card */ + i365_bset (s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V); + } + i365_set (s, I365_POWER, (I365_PWR_OUT | I365_PWR_NORESET | I365_VCC_5V | I365_VPP1_5V)); + power = i365_get (s, I365_POWER); + } + if (power & I365_VCC_5V) { + state.Vcc = (i365_get(s, PD67_MISC_CTL_1) & PD67_MC1_VCC_3V) ? 33 : 50; + } + + if (power == I365_VPP1_12V) + state.Vpp = 120; + + /* IO card, RESET flags, IO interrupt */ + power = i365_get (s, I365_INTCTL); + state.flags |= (power & I365_PC_RESET) ? 0 : SS_RESET; + if (power & I365_PC_IOCARD) + state.flags |= SS_IOCARD; + state.io_irq = power & I365_IRQ_MASK; + + /* Card status change mask */ + power = i365_get (s, I365_CSCINT); + state.csc_mask = (power & I365_CSC_DETECT) ? SS_DETECT : 0; + if (state.flags & SS_IOCARD) + state.csc_mask |= (power & I365_CSC_STSCHG) ? SS_STSCHG : 0; + else { + state.csc_mask |= (power & I365_CSC_BVD1) ? SS_BATDEAD : 0; + state.csc_mask |= (power & I365_CSC_BVD2) ? SS_BATWARN : 0; + state.csc_mask |= (power & I365_CSC_READY) ? SS_READY : 0; + } + debug ("i82365: GetStatus(0) = flags %#3.3x, Vcc %d, Vpp %d, " + "io_irq %d, csc_mask %#2.2x\n", state.flags, + state.Vcc, state.Vpp, state.io_irq, state.csc_mask); + +#else /* !CONFIG_CPC45 */ + + status = cb_readl (s, CB_SOCKET_STATE); + *value |= (status & CB_SS_32BIT) ? SS_CARDBUS : 0; + *value |= (status & CB_SS_3VCARD) ? SS_3VCARD : 0; + *value |= (status & CB_SS_XVCARD) ? SS_XVCARD : 0; + *value |= (status & CB_SS_VSENSE) ? 0 : SS_PENDING; + /* For now, ignore cards with unsupported voltage keys */ + if (*value & SS_XVCARD) + *value &= ~(SS_DETECT | SS_3VCARD | SS_XVCARD); +#endif /* CONFIG_CPC45 */ + return 0; +} /* i365_get_status */ + +static int i365_set_socket (socket_info_t * s, socket_state_t * state) +{ + u_char reg; + + set_bridge_state (s); + + /* IO card, RESET flag */ + reg = 0; + reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; + reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; + i365_set (s, I365_INTCTL, reg); + +#ifdef CONFIG_CPC45 + cb_set_power (s, state); + +#if 0 + /* Card status change interrupt mask */ + reg = s->cs_irq << 4; + if (state->csc_mask & SS_DETECT) + reg |= I365_CSC_DETECT; + if (state->flags & SS_IOCARD) { + if (state->csc_mask & SS_STSCHG) + reg |= I365_CSC_STSCHG; + } else { + if (state->csc_mask & SS_BATDEAD) + reg |= I365_CSC_BVD1; + if (state->csc_mask & SS_BATWARN) + reg |= I365_CSC_BVD2; + if (state->csc_mask & SS_READY) + reg |= I365_CSC_READY; + } + i365_set (s, I365_CSCINT, reg); + i365_get (s, I365_CSC); +#endif /* 0 */ + +#else /* !CONFIG_CPC45 */ + + reg = I365_PWR_NORESET; + if (state->flags & SS_PWR_AUTO) + reg |= I365_PWR_AUTO; + if (state->flags & SS_OUTPUT_ENA) + reg |= I365_PWR_OUT; + + cb_set_power (s, state); + reg |= i365_get (s, I365_POWER) & (I365_VCC_MASK | I365_VPP1_MASK); + + if (reg != i365_get (s, I365_POWER)) + i365_set (s, I365_POWER, reg); +#endif /* CONFIG_CPC45 */ + + return 0; +} /* i365_set_socket */ + +/*====================================================================*/ + +static int i365_set_mem_map (socket_info_t * s, struct pccard_mem_map *mem) +{ + u_short base, i; + u_char map; + + debug ("i82365: SetMemMap(%d, %#2.2x, %d ns, %#5.5lx-%#5.5lx, %#5.5x)\n", + mem->map, mem->flags, mem->speed, + mem->sys_start, mem->sys_stop, mem->card_start); + + map = mem->map; + if ((map > 4) || + (mem->card_start > 0x3ffffff) || + (mem->sys_start > mem->sys_stop) || + (mem->speed > 1000)) { + return -1; + } + + /* Turn off the window before changing anything */ + if (i365_get (s, I365_ADDRWIN) & I365_ENA_MEM (map)) + i365_bclr (s, I365_ADDRWIN, I365_ENA_MEM (map)); + + /* Take care of high byte, for PCI controllers */ + i365_set (s, CB_MEM_PAGE (map), mem->sys_start >> 24); + + base = I365_MEM (map); + i = (mem->sys_start >> 12) & 0x0fff; + if (mem->flags & MAP_16BIT) + i |= I365_MEM_16BIT; + if (mem->flags & MAP_0WS) + i |= I365_MEM_0WS; + i365_set_pair (s, base + I365_W_START, i); + + i = (mem->sys_stop >> 12) & 0x0fff; + switch (mem->speed / CYCLE_TIME) { + case 0: + break; + case 1: + i |= I365_MEM_WS0; + break; + case 2: + i |= I365_MEM_WS1; + break; + default: + i |= I365_MEM_WS1 | I365_MEM_WS0; + break; + } + i365_set_pair (s, base + I365_W_STOP, i); + +#ifdef CONFIG_CPC45 + i = 0; +#else + i = ((mem->card_start - mem->sys_start) >> 12) & 0x3fff; +#endif + if (mem->flags & MAP_WRPROT) + i |= I365_MEM_WRPROT; + if (mem->flags & MAP_ATTRIB) + i |= I365_MEM_REG; + i365_set_pair (s, base + I365_W_OFF, i); + +#ifdef CONFIG_CPC45 + /* set System Memory map Upper Adress */ + i365_set(s, PD67_EXT_INDEX, PD67_MEM_PAGE(map)); + i365_set(s, PD67_EXT_DATA, ((mem->sys_start >> 24) & 0xff)); +#endif + + /* Turn on the window if necessary */ + if (mem->flags & MAP_ACTIVE) + i365_bset (s, I365_ADDRWIN, I365_ENA_MEM (map)); + return 0; +} /* i365_set_mem_map */ + +static int i365_set_io_map (socket_info_t * s, struct pccard_io_map *io) +{ + u_char map, ioctl; + + map = io->map; + /* comment out: comparison is always false due to limited range of data type */ + if ((map > 1) || /* (io->start > 0xffff) || (io->stop > 0xffff) || */ + (io->stop < io->start)) + return -1; + /* Turn off the window before changing anything */ + if (i365_get (s, I365_ADDRWIN) & I365_ENA_IO (map)) + i365_bclr (s, I365_ADDRWIN, I365_ENA_IO (map)); + i365_set_pair (s, I365_IO (map) + I365_W_START, io->start); + i365_set_pair (s, I365_IO (map) + I365_W_STOP, io->stop); + ioctl = i365_get (s, I365_IOCTL) & ~I365_IOCTL_MASK (map); + if (io->speed) + ioctl |= I365_IOCTL_WAIT (map); + if (io->flags & MAP_0WS) + ioctl |= I365_IOCTL_0WS (map); + if (io->flags & MAP_16BIT) + ioctl |= I365_IOCTL_16BIT (map); + if (io->flags & MAP_AUTOSZ) + ioctl |= I365_IOCTL_IOCS16 (map); + i365_set (s, I365_IOCTL, ioctl); + /* Turn on the window if necessary */ + if (io->flags & MAP_ACTIVE) + i365_bset (s, I365_ADDRWIN, I365_ENA_IO (map)); + return 0; +} /* i365_set_io_map */ + +/*====================================================================*/ + +int i82365_init (void) +{ + u_int val; + int i; + +#ifdef CONFIG_CPC45 + if (SPD67290Init () != 0) + return 1; +#endif + if ((socket.dev = pci_find_devices (supported, 0)) < 0) { + /* Controller not found */ + return 1; + } + debug ("i82365 Device Found!\n"); + + pci_read_config_dword (socket.dev, PCI_BASE_ADDRESS_0, &socket.cb_phys); + socket.cb_phys &= ~0xf; + +#ifdef CONFIG_CPC45 + /* + 0xfe000000 see MPC 8245 Users Manual Adress Map B */ + socket.cb_phys += 0xfe000000; +#endif + + get_bridge_state (&socket); + set_bridge_opts (&socket); + + i = i365_get_status (&socket, &val); + +#ifdef CONFIG_CPC45 + if (i > -1) { + puts (pcic[socket.type].name); + } else { + printf ("i82365: Controller not found.\n"); + return 1; + } + if((val & SS_DETECT) != SS_DETECT){ + puts ("No card\n"); + return 1; + } +#else /* !CONFIG_CPC45 */ + if (val & SS_DETECT) { + if (val & SS_3VCARD) { + state.Vcc = state.Vpp = 33; + puts (" 3.3V card found: "); + } else if (!(val & SS_XVCARD)) { + state.Vcc = state.Vpp = 50; + puts (" 5.0V card found: "); + } else { + puts ("i82365: unsupported voltage key\n"); + state.Vcc = state.Vpp = 0; + } + } else { + /* No card inserted */ + puts ("No card\n"); + return 1; + } +#endif /* CONFIG_CPC45 */ + +#ifdef CONFIG_CPC45 + state.flags |= SS_OUTPUT_ENA; +#else + state.flags = SS_IOCARD | SS_OUTPUT_ENA; + state.csc_mask = 0; + state.io_irq = 0; +#endif + + i365_set_socket (&socket, &state); + + for (i = 500; i; i--) { + if ((i365_get (&socket, I365_STATUS) & I365_CS_READY)) + break; + udelay (1000); + } + + if (i == 0) { + /* PC Card not ready for data transfer */ + puts ("i82365 PC Card not ready for data transfer\n"); + return 1; + } + debug (" PC Card ready for data transfer: "); + + mem.map = 0; + mem.flags = MAP_ATTRIB | MAP_ACTIVE; + mem.speed = 300; + mem.sys_start = CFG_PCMCIA_MEM_ADDR; + mem.sys_stop = CFG_PCMCIA_MEM_ADDR + CFG_PCMCIA_MEM_SIZE - 1; + mem.card_start = 0; + i365_set_mem_map (&socket, &mem); + +#ifdef CONFIG_CPC45 + mem.map = 1; + mem.flags = MAP_ACTIVE; + mem.speed = 300; + mem.sys_start = CFG_PCMCIA_MEM_ADDR + CFG_PCMCIA_MEM_SIZE; + mem.sys_stop = CFG_PCMCIA_MEM_ADDR + (2 * CFG_PCMCIA_MEM_SIZE) - 1; + mem.card_start = 0; + i365_set_mem_map (&socket, &mem); + +#else /* !CONFIG_CPC45 */ + + io.map = 0; + io.flags = MAP_AUTOSZ | MAP_ACTIVE; + io.speed = 0; + io.start = 0x0100; + io.stop = 0x010F; + i365_set_io_map (&socket, &io); + +#endif /* CONFIG_CPC45 */ + +#ifdef DEBUG + i82365_dump_regions (socket.dev); +#endif + + return 0; +} + +void i82365_exit (void) +{ + io.map = 0; + io.flags = 0; + io.speed = 0; + io.start = 0; + io.stop = 0x1; + + i365_set_io_map (&socket, &io); + + mem.map = 0; + mem.flags = 0; + mem.speed = 0; + mem.sys_start = 0; + mem.sys_stop = 0x1000; + mem.card_start = 0; + + i365_set_mem_map (&socket, &mem); + +#ifdef CONFIG_CPC45 + mem.map = 1; + mem.flags = 0; + mem.speed = 0; + mem.sys_start = 0; + mem.sys_stop = 0x1000; + mem.card_start = 0; + + i365_set_mem_map (&socket, &mem); +#else /* !CONFIG_CPC45 */ + socket.state.sysctl &= 0xFFFF00FF; +#endif + state.Vcc = state.Vpp = 0; + + i365_set_socket (&socket, &state); +} + +/*====================================================================== + + Debug stuff + +======================================================================*/ + +#ifdef DEBUG +static void i82365_dump_regions (pci_dev_t dev) +{ + u_int tmp[2]; + u_int *mem = (void *) socket.cb_phys; + u_char *cis = (void *) CFG_PCMCIA_MEM_ADDR; + u_char *ide = (void *) (CFG_ATA_BASE_ADDR + CFG_ATA_REG_OFFSET); + + pci_read_config_dword (dev, 0x00, tmp + 0); + pci_read_config_dword (dev, 0x80, tmp + 1); + + printf ("PCI CONF: %08X ... %08X\n", + tmp[0], tmp[1]); + printf ("PCI MEM: ... %08X ... %08X\n", + mem[0x8 / 4], mem[0x800 / 4]); + printf ("CIS: ...%c%c%c%c%c%c%c%c...\n", + cis[0x38], cis[0x3a], cis[0x3c], cis[0x3e], + cis[0x40], cis[0x42], cis[0x44], cis[0x48]); + printf ("CIS CONF: %02X %02X %02X ...\n", + cis[0x200], cis[0x202], cis[0x204]); + printf ("IDE: %02X %02X %02X %02X %02X %02X %02X %02X\n", + ide[0], ide[1], ide[2], ide[3], + ide[4], ide[5], ide[6], ide[7]); +} +#endif /* DEBUG */ + +#endif /* CONFIG_I82365 */ |