--- /dev/null
+/*
+ * (C) Copyright 2003-2005
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ ********************************************************************
+ *
+ * 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>
+#include <pcmcia/ti113x.h>
+
+static struct pci_device_id supported[] = {
+ {PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510},
+ {0, 0}
+};
+
+#define CYCLE_TIME 120
+
+#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;
+ ti113x_state_t state;
+} socket_info_t;
+
+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);
+}
+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);
+}
+
+/*====================================================================*/
+
+#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);
+}
+
+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);
+}
+
+/*======================================================================
+
+ 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;
+}
+
+/*======================================================================
+
+ 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)
+{
+ pci_writel (s, CB_LEGACY_MODE_BASE, 0);
+ pci_writel (s, PCI_BASE_ADDRESS_0, s->cb_phys);
+ 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)
+{
+ 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;
+}
+
+/*======================================================================
+
+ 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;
+
+ /* 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);
+
+ return 0;
+}
+
+/*======================================================================
+
+ Generic routines to get and set controller options
+
+======================================================================*/
+
+static void get_bridge_state (socket_info_t * s)
+{
+ ti113x_get_state (s);
+ 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);
+ ti113x_set_state (s);
+}
+
+static void set_bridge_opts (socket_info_t * s)
+{
+ ti113x_set_opts (s);
+ 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;
+
+ 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;
+
+ 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);
+
+ 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);
+
+ 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);
+
+ 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);
+
+ i = ((mem->card_start - mem->sys_start) >> 12) & 0x3fff;
+ 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);
+
+ /* 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 */
+
+/*====================================================================*/
+
+static int i82365_init (void)
+{
+ u_int val;
+ int i;
+
+ 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;
+
+ get_bridge_state (&socket);
+ set_bridge_opts (&socket);
+
+ i = i365_get_status (&socket, &val);
+
+ 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;
+ }
+
+ state.flags = SS_IOCARD | SS_OUTPUT_ENA;
+ state.csc_mask = 0;
+ state.io_irq = 0;
+
+ 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 = CONFIG_SYS_PCMCIA_MEM_ADDR;
+ mem.sys_stop = CONFIG_SYS_PCMCIA_MEM_ADDR + CONFIG_SYS_PCMCIA_MEM_SIZE - 1;
+ mem.card_start = 0;
+ i365_set_mem_map (&socket, &mem);
+
+ io.map = 0;
+ io.flags = MAP_AUTOSZ | MAP_ACTIVE;
+ io.speed = 0;
+ io.start = 0x0100;
+ io.stop = 0x010F;
+ i365_set_io_map (&socket, &io);
+
+#ifdef DEBUG
+ i82365_dump_regions (socket.dev);
+#endif
+
+ return 0;
+}
+
+static 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);
+
+ socket.state.sysctl &= 0xFFFF00FF;
+
+ state.Vcc = state.Vpp = 0;
+
+ i365_set_socket (&socket, &state);
+}
+
+int pcmcia_on (void)
+{
+ u_int rc;
+
+ debug ("Enable PCMCIA " PCMCIA_SLOT_MSG "\n");
+
+ rc = i82365_init();
+ if (rc)
+ goto exit;
+
+ rc = check_ide_device(0);
+ if (rc == 0)
+ goto exit;
+
+ i82365_exit();
+
+exit:
+ return rc;
+}
+
+#if defined(CONFIG_CMD_PCMCIA)
+int pcmcia_off (void)
+{
+ printf ("Disable PCMCIA " PCMCIA_SLOT_MSG "\n");
+
+ i82365_exit();
+
+ return 0;
+}
+#endif
+
+/*======================================================================
+
+ 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 *) CONFIG_SYS_PCMCIA_MEM_ADDR;
+ u_char *ide = (void *) (CONFIG_SYS_ATA_BASE_ADDR + CONFIG_SYS_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 */
Code Review / kvmfornfv.git / blobdiff