diff options
Diffstat (limited to 'arch/ppc/platforms/pmac_feature.c')
| -rw-r--r-- | arch/ppc/platforms/pmac_feature.c | 3023 |
1 files changed, 0 insertions, 3023 deletions
diff --git a/arch/ppc/platforms/pmac_feature.c b/arch/ppc/platforms/pmac_feature.c deleted file mode 100644 index 6b7b3a15063..00000000000 --- a/arch/ppc/platforms/pmac_feature.c +++ /dev/null @@ -1,3023 +0,0 @@ -/* - * arch/ppc/platforms/pmac_feature.c - * - * Copyright (C) 1996-2001 Paul Mackerras (paulus@cs.anu.edu.au) - * Ben. Herrenschmidt (benh@kernel.crashing.org) - * - * 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. - * - * TODO: - * - * - Replace mdelay with some schedule loop if possible - * - Shorten some obfuscated delays on some routines (like modem - * power) - * - Refcount some clocks (see darwin) - * - Split split split... - * - */ -#include <linux/config.h> -#include <linux/types.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/spinlock.h> -#include <linux/adb.h> -#include <linux/pmu.h> -#include <linux/ioport.h> -#include <linux/pci.h> -#include <asm/sections.h> -#include <asm/errno.h> -#include <asm/ohare.h> -#include <asm/heathrow.h> -#include <asm/keylargo.h> -#include <asm/uninorth.h> -#include <asm/io.h> -#include <asm/prom.h> -#include <asm/machdep.h> -#include <asm/pmac_feature.h> -#include <asm/dbdma.h> -#include <asm/pci-bridge.h> -#include <asm/pmac_low_i2c.h> - -#undef DEBUG_FEATURE - -#ifdef DEBUG_FEATURE -#define DBG(fmt,...) printk(KERN_DEBUG fmt) -#else -#define DBG(fmt,...) -#endif - -#ifdef CONFIG_6xx -extern int powersave_lowspeed; -#endif - -extern int powersave_nap; -extern struct device_node *k2_skiplist[2]; - - -/* - * We use a single global lock to protect accesses. Each driver has - * to take care of its own locking - */ -static DEFINE_SPINLOCK(feature_lock); - -#define LOCK(flags) spin_lock_irqsave(&feature_lock, flags); -#define UNLOCK(flags) spin_unlock_irqrestore(&feature_lock, flags); - - -/* - * Instance of some macio stuffs - */ -struct macio_chip macio_chips[MAX_MACIO_CHIPS]; - -struct macio_chip* macio_find(struct device_node* child, int type) -{ - while(child) { - int i; - - for (i=0; i < MAX_MACIO_CHIPS && macio_chips[i].of_node; i++) - if (child == macio_chips[i].of_node && - (!type || macio_chips[i].type == type)) - return &macio_chips[i]; - child = child->parent; - } - return NULL; -} -EXPORT_SYMBOL_GPL(macio_find); - -static const char* macio_names[] = -{ - "Unknown", - "Grand Central", - "OHare", - "OHareII", - "Heathrow", - "Gatwick", - "Paddington", - "Keylargo", - "Pangea", - "Intrepid", - "K2" -}; - - - -/* - * Uninorth reg. access. Note that Uni-N regs are big endian - */ - -#define UN_REG(r) (uninorth_base + ((r) >> 2)) -#define UN_IN(r) (in_be32(UN_REG(r))) -#define UN_OUT(r,v) (out_be32(UN_REG(r), (v))) -#define UN_BIS(r,v) (UN_OUT((r), UN_IN(r) | (v))) -#define UN_BIC(r,v) (UN_OUT((r), UN_IN(r) & ~(v))) - -static struct device_node* uninorth_node; -static u32 __iomem * uninorth_base; -static u32 uninorth_rev; -static int uninorth_u3; -static void __iomem *u3_ht; - -/* - * For each motherboard family, we have a table of functions pointers - * that handle the various features. - */ - -typedef long (*feature_call)(struct device_node* node, long param, long value); - -struct feature_table_entry { - unsigned int selector; - feature_call function; -}; - -struct pmac_mb_def -{ - const char* model_string; - const char* model_name; - int model_id; - struct feature_table_entry* features; - unsigned long board_flags; -}; -static struct pmac_mb_def pmac_mb; - -/* - * Here are the chip specific feature functions - */ - -static inline int -simple_feature_tweak(struct device_node* node, int type, int reg, u32 mask, int value) -{ - struct macio_chip* macio; - unsigned long flags; - - macio = macio_find(node, type); - if (!macio) - return -ENODEV; - LOCK(flags); - if (value) - MACIO_BIS(reg, mask); - else - MACIO_BIC(reg, mask); - (void)MACIO_IN32(reg); - UNLOCK(flags); - - return 0; -} - -#ifndef CONFIG_POWER4 - -static long -ohare_htw_scc_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long chan_mask; - unsigned long fcr; - unsigned long flags; - int htw, trans; - unsigned long rmask; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - if (!strcmp(node->name, "ch-a")) - chan_mask = MACIO_FLAG_SCCA_ON; - else if (!strcmp(node->name, "ch-b")) - chan_mask = MACIO_FLAG_SCCB_ON; - else - return -ENODEV; - - htw = (macio->type == macio_heathrow || macio->type == macio_paddington - || macio->type == macio_gatwick); - /* On these machines, the HRW_SCC_TRANS_EN_N bit mustn't be touched */ - trans = (pmac_mb.model_id != PMAC_TYPE_YOSEMITE && - pmac_mb.model_id != PMAC_TYPE_YIKES); - if (value) { -#ifdef CONFIG_ADB_PMU - if ((param & 0xfff) == PMAC_SCC_IRDA) - pmu_enable_irled(1); -#endif /* CONFIG_ADB_PMU */ - LOCK(flags); - fcr = MACIO_IN32(OHARE_FCR); - /* Check if scc cell need enabling */ - if (!(fcr & OH_SCC_ENABLE)) { - fcr |= OH_SCC_ENABLE; - if (htw) { - /* Side effect: this will also power up the - * modem, but it's too messy to figure out on which - * ports this controls the tranceiver and on which - * it controls the modem - */ - if (trans) - fcr &= ~HRW_SCC_TRANS_EN_N; - MACIO_OUT32(OHARE_FCR, fcr); - fcr |= (rmask = HRW_RESET_SCC); - MACIO_OUT32(OHARE_FCR, fcr); - } else { - fcr |= (rmask = OH_SCC_RESET); - MACIO_OUT32(OHARE_FCR, fcr); - } - UNLOCK(flags); - (void)MACIO_IN32(OHARE_FCR); - mdelay(15); - LOCK(flags); - fcr &= ~rmask; - MACIO_OUT32(OHARE_FCR, fcr); - } - if (chan_mask & MACIO_FLAG_SCCA_ON) - fcr |= OH_SCCA_IO; - if (chan_mask & MACIO_FLAG_SCCB_ON) - fcr |= OH_SCCB_IO; - MACIO_OUT32(OHARE_FCR, fcr); - macio->flags |= chan_mask; - UNLOCK(flags); - if (param & PMAC_SCC_FLAG_XMON) - macio->flags |= MACIO_FLAG_SCC_LOCKED; - } else { - if (macio->flags & MACIO_FLAG_SCC_LOCKED) - return -EPERM; - LOCK(flags); - fcr = MACIO_IN32(OHARE_FCR); - if (chan_mask & MACIO_FLAG_SCCA_ON) - fcr &= ~OH_SCCA_IO; - if (chan_mask & MACIO_FLAG_SCCB_ON) - fcr &= ~OH_SCCB_IO; - MACIO_OUT32(OHARE_FCR, fcr); - if ((fcr & (OH_SCCA_IO | OH_SCCB_IO)) == 0) { - fcr &= ~OH_SCC_ENABLE; - if (htw && trans) - fcr |= HRW_SCC_TRANS_EN_N; - MACIO_OUT32(OHARE_FCR, fcr); - } - macio->flags &= ~(chan_mask); - UNLOCK(flags); - mdelay(10); -#ifdef CONFIG_ADB_PMU - if ((param & 0xfff) == PMAC_SCC_IRDA) - pmu_enable_irled(0); -#endif /* CONFIG_ADB_PMU */ - } - return 0; -} - -static long -ohare_floppy_enable(struct device_node* node, long param, long value) -{ - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_FLOPPY_ENABLE, value); -} - -static long -ohare_mesh_enable(struct device_node* node, long param, long value) -{ - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_MESH_ENABLE, value); -} - -static long -ohare_ide_enable(struct device_node* node, long param, long value) -{ - switch(param) { - case 0: - /* For some reason, setting the bit in set_initial_features() - * doesn't stick. I'm still investigating... --BenH. - */ - if (value) - simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_IOBUS_ENABLE, 1); - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_IDE0_ENABLE, value); - case 1: - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_BAY_IDE_ENABLE, value); - default: - return -ENODEV; - } -} - -static long -ohare_ide_reset(struct device_node* node, long param, long value) -{ - switch(param) { - case 0: - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_IDE0_RESET_N, !value); - case 1: - return simple_feature_tweak(node, macio_ohare, - OHARE_FCR, OH_IDE1_RESET_N, !value); - default: - return -ENODEV; - } -} - -static long -ohare_sleep_state(struct device_node* node, long param, long value) -{ - struct macio_chip* macio = &macio_chips[0]; - - if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0) - return -EPERM; - if (value == 1) { - MACIO_BIC(OHARE_FCR, OH_IOBUS_ENABLE); - } else if (value == 0) { - MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE); - } - - return 0; -} - -static long -heathrow_modem_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - u8 gpio; - unsigned long flags; - - macio = macio_find(node, macio_unknown); - if (!macio) - return -ENODEV; - gpio = MACIO_IN8(HRW_GPIO_MODEM_RESET) & ~1; - if (!value) { - LOCK(flags); - MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio); - UNLOCK(flags); - (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); - mdelay(250); - } - if (pmac_mb.model_id != PMAC_TYPE_YOSEMITE && - pmac_mb.model_id != PMAC_TYPE_YIKES) { - LOCK(flags); - if (value) - MACIO_BIC(HEATHROW_FCR, HRW_SCC_TRANS_EN_N); - else - MACIO_BIS(HEATHROW_FCR, HRW_SCC_TRANS_EN_N); - UNLOCK(flags); - (void)MACIO_IN32(HEATHROW_FCR); - mdelay(250); - } - if (value) { - LOCK(flags); - MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1); - (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio); - (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(HRW_GPIO_MODEM_RESET, gpio | 1); - (void)MACIO_IN8(HRW_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); - } - return 0; -} - -static long -heathrow_floppy_enable(struct device_node* node, long param, long value) -{ - return simple_feature_tweak(node, macio_unknown, - HEATHROW_FCR, - HRW_SWIM_ENABLE|HRW_BAY_FLOPPY_ENABLE, - value); -} - -static long -heathrow_mesh_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - - macio = macio_find(node, macio_unknown); - if (!macio) - return -ENODEV; - LOCK(flags); - /* Set clear mesh cell enable */ - if (value) - MACIO_BIS(HEATHROW_FCR, HRW_MESH_ENABLE); - else - MACIO_BIC(HEATHROW_FCR, HRW_MESH_ENABLE); - (void)MACIO_IN32(HEATHROW_FCR); - udelay(10); - /* Set/Clear termination power */ - if (value) - MACIO_BIC(HEATHROW_MBCR, 0x04000000); - else - MACIO_BIS(HEATHROW_MBCR, 0x04000000); - (void)MACIO_IN32(HEATHROW_MBCR); - udelay(10); - UNLOCK(flags); - - return 0; -} - -static long -heathrow_ide_enable(struct device_node* node, long param, long value) -{ - switch(param) { - case 0: - return simple_feature_tweak(node, macio_unknown, - HEATHROW_FCR, HRW_IDE0_ENABLE, value); - case 1: - return simple_feature_tweak(node, macio_unknown, - HEATHROW_FCR, HRW_BAY_IDE_ENABLE, value); - default: - return -ENODEV; - } -} - -static long -heathrow_ide_reset(struct device_node* node, long param, long value) -{ - switch(param) { - case 0: - return simple_feature_tweak(node, macio_unknown, - HEATHROW_FCR, HRW_IDE0_RESET_N, !value); - case 1: - return simple_feature_tweak(node, macio_unknown, - HEATHROW_FCR, HRW_IDE1_RESET_N, !value); - default: - return -ENODEV; - } -} - -static long -heathrow_bmac_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - if (value) { - LOCK(flags); - MACIO_BIS(HEATHROW_FCR, HRW_BMAC_IO_ENABLE); - MACIO_BIS(HEATHROW_FCR, HRW_BMAC_RESET); - UNLOCK(flags); - (void)MACIO_IN32(HEATHROW_FCR); - mdelay(10); - LOCK(flags); - MACIO_BIC(HEATHROW_FCR, HRW_BMAC_RESET); - UNLOCK(flags); - (void)MACIO_IN32(HEATHROW_FCR); - mdelay(10); - } else { - LOCK(flags); - MACIO_BIC(HEATHROW_FCR, HRW_BMAC_IO_ENABLE); - UNLOCK(flags); - } - return 0; -} - -static long -heathrow_sound_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - - /* B&W G3 and Yikes don't support that properly (the - * sound appear to never come back after beeing shut down). - */ - if (pmac_mb.model_id == PMAC_TYPE_YOSEMITE || - pmac_mb.model_id == PMAC_TYPE_YIKES) - return 0; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - if (value) { - LOCK(flags); - MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); - MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N); - UNLOCK(flags); - (void)MACIO_IN32(HEATHROW_FCR); - } else { - LOCK(flags); - MACIO_BIS(HEATHROW_FCR, HRW_SOUND_POWER_N); - MACIO_BIC(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); - UNLOCK(flags); - } - return 0; -} - -static u32 save_fcr[6]; -static u32 save_mbcr; -static u32 save_gpio_levels[2]; -static u8 save_gpio_extint[KEYLARGO_GPIO_EXTINT_CNT]; -static u8 save_gpio_normal[KEYLARGO_GPIO_CNT]; -static u32 save_unin_clock_ctl; -static struct dbdma_regs save_dbdma[13]; -static struct dbdma_regs save_alt_dbdma[13]; - -static void -dbdma_save(struct macio_chip* macio, struct dbdma_regs* save) -{ - int i; - - /* Save state & config of DBDMA channels */ - for (i=0; i<13; i++) { - volatile struct dbdma_regs __iomem * chan = (void __iomem *) - (macio->base + ((0x8000+i*0x100)>>2)); - save[i].cmdptr_hi = in_le32(&chan->cmdptr_hi); - save[i].cmdptr = in_le32(&chan->cmdptr); - save[i].intr_sel = in_le32(&chan->intr_sel); - save[i].br_sel = in_le32(&chan->br_sel); - save[i].wait_sel = in_le32(&chan->wait_sel); - } -} - -static void -dbdma_restore(struct macio_chip* macio, struct dbdma_regs* save) -{ - int i; - - /* Save state & config of DBDMA channels */ - for (i=0; i<13; i++) { - volatile struct dbdma_regs __iomem * chan = (void __iomem *) - (macio->base + ((0x8000+i*0x100)>>2)); - out_le32(&chan->control, (ACTIVE|DEAD|WAKE|FLUSH|PAUSE|RUN)<<16); - while (in_le32(&chan->status) & ACTIVE) - mb(); - out_le32(&chan->cmdptr_hi, save[i].cmdptr_hi); - out_le32(&chan->cmdptr, save[i].cmdptr); - out_le32(&chan->intr_sel, save[i].intr_sel); - out_le32(&chan->br_sel, save[i].br_sel); - out_le32(&chan->wait_sel, save[i].wait_sel); - } -} - -static void -heathrow_sleep(struct macio_chip* macio, int secondary) -{ - if (secondary) { - dbdma_save(macio, save_alt_dbdma); - save_fcr[2] = MACIO_IN32(0x38); - save_fcr[3] = MACIO_IN32(0x3c); - } else { - dbdma_save(macio, save_dbdma); - save_fcr[0] = MACIO_IN32(0x38); - save_fcr[1] = MACIO_IN32(0x3c); - save_mbcr = MACIO_IN32(0x34); - /* Make sure sound is shut down */ - MACIO_BIS(HEATHROW_FCR, HRW_SOUND_POWER_N); - MACIO_BIC(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); - /* This seems to be necessary as well or the fan - * keeps coming up and battery drains fast */ - MACIO_BIC(HEATHROW_FCR, HRW_IOBUS_ENABLE); - MACIO_BIC(HEATHROW_FCR, HRW_IDE0_RESET_N); - /* Make sure eth is down even if module or sleep - * won't work properly */ - MACIO_BIC(HEATHROW_FCR, HRW_BMAC_IO_ENABLE | HRW_BMAC_RESET); - } - /* Make sure modem is shut down */ - MACIO_OUT8(HRW_GPIO_MODEM_RESET, - MACIO_IN8(HRW_GPIO_MODEM_RESET) & ~1); - MACIO_BIS(HEATHROW_FCR, HRW_SCC_TRANS_EN_N); - MACIO_BIC(HEATHROW_FCR, OH_SCCA_IO|OH_SCCB_IO|HRW_SCC_ENABLE); - - /* Let things settle */ - (void)MACIO_IN32(HEATHROW_FCR); -} - -static void -heathrow_wakeup(struct macio_chip* macio, int secondary) -{ - if (secondary) { - MACIO_OUT32(0x38, save_fcr[2]); - (void)MACIO_IN32(0x38); - mdelay(1); - MACIO_OUT32(0x3c, save_fcr[3]); - (void)MACIO_IN32(0x38); - mdelay(10); - dbdma_restore(macio, save_alt_dbdma); - } else { - MACIO_OUT32(0x38, save_fcr[0] | HRW_IOBUS_ENABLE); - (void)MACIO_IN32(0x38); - mdelay(1); - MACIO_OUT32(0x3c, save_fcr[1]); - (void)MACIO_IN32(0x38); - mdelay(1); - MACIO_OUT32(0x34, save_mbcr); - (void)MACIO_IN32(0x38); - mdelay(10); - dbdma_restore(macio, save_dbdma); - } -} - -static long -heathrow_sleep_state(struct device_node* node, long param, long value) -{ - if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0) - return -EPERM; - if (value == 1) { - if (macio_chips[1].type == macio_gatwick) - heathrow_sleep(&macio_chips[0], 1); - heathrow_sleep(&macio_chips[0], 0); - } else if (value == 0) { - heathrow_wakeup(&macio_chips[0], 0); - if (macio_chips[1].type == macio_gatwick) - heathrow_wakeup(&macio_chips[0], 1); - } - return 0; -} - -static long -core99_scc_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - unsigned long chan_mask; - u32 fcr; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - if (!strcmp(node->name, "ch-a")) - chan_mask = MACIO_FLAG_SCCA_ON; - else if (!strcmp(node->name, "ch-b")) - chan_mask = MACIO_FLAG_SCCB_ON; - else - return -ENODEV; - - if (value) { - int need_reset_scc = 0; - int need_reset_irda = 0; - - LOCK(flags); - fcr = MACIO_IN32(KEYLARGO_FCR0); - /* Check if scc cell need enabling */ - if (!(fcr & KL0_SCC_CELL_ENABLE)) { - fcr |= KL0_SCC_CELL_ENABLE; - need_reset_scc = 1; - } - if (chan_mask & MACIO_FLAG_SCCA_ON) { - fcr |= KL0_SCCA_ENABLE; - /* Don't enable line drivers for I2S modem */ - if ((param & 0xfff) == PMAC_SCC_I2S1) - fcr &= ~KL0_SCC_A_INTF_ENABLE; - else - fcr |= KL0_SCC_A_INTF_ENABLE; - } - if (chan_mask & MACIO_FLAG_SCCB_ON) { - fcr |= KL0_SCCB_ENABLE; - /* Perform irda specific inits */ - if ((param & 0xfff) == PMAC_SCC_IRDA) { - fcr &= ~KL0_SCC_B_INTF_ENABLE; - fcr |= KL0_IRDA_ENABLE; - fcr |= KL0_IRDA_CLK32_ENABLE | KL0_IRDA_CLK19_ENABLE; - fcr |= KL0_IRDA_SOURCE1_SEL; - fcr &= ~(KL0_IRDA_FAST_CONNECT|KL0_IRDA_DEFAULT1|KL0_IRDA_DEFAULT0); - fcr &= ~(KL0_IRDA_SOURCE2_SEL|KL0_IRDA_HIGH_BAND); - need_reset_irda = 1; - } else - fcr |= KL0_SCC_B_INTF_ENABLE; - } - MACIO_OUT32(KEYLARGO_FCR0, fcr); - macio->flags |= chan_mask; - if (need_reset_scc) { - MACIO_BIS(KEYLARGO_FCR0, KL0_SCC_RESET); - (void)MACIO_IN32(KEYLARGO_FCR0); - UNLOCK(flags); - mdelay(15); - LOCK(flags); - MACIO_BIC(KEYLARGO_FCR0, KL0_SCC_RESET); - } - if (need_reset_irda) { - MACIO_BIS(KEYLARGO_FCR0, KL0_IRDA_RESET); - (void)MACIO_IN32(KEYLARGO_FCR0); - UNLOCK(flags); - mdelay(15); - LOCK(flags); - MACIO_BIC(KEYLARGO_FCR0, KL0_IRDA_RESET); - } - UNLOCK(flags); - if (param & PMAC_SCC_FLAG_XMON) - macio->flags |= MACIO_FLAG_SCC_LOCKED; - } else { - if (macio->flags & MACIO_FLAG_SCC_LOCKED) - return -EPERM; - LOCK(flags); - fcr = MACIO_IN32(KEYLARGO_FCR0); - if (chan_mask & MACIO_FLAG_SCCA_ON) - fcr &= ~KL0_SCCA_ENABLE; - if (chan_mask & MACIO_FLAG_SCCB_ON) { - fcr &= ~KL0_SCCB_ENABLE; - /* Perform irda specific clears */ - if ((param & 0xfff) == PMAC_SCC_IRDA) { - fcr &= ~KL0_IRDA_ENABLE; - fcr &= ~(KL0_IRDA_CLK32_ENABLE | KL0_IRDA_CLK19_ENABLE); - fcr &= ~(KL0_IRDA_FAST_CONNECT|KL0_IRDA_DEFAULT1|KL0_IRDA_DEFAULT0); - fcr &= ~(KL0_IRDA_SOURCE1_SEL|KL0_IRDA_SOURCE2_SEL|KL0_IRDA_HIGH_BAND); - } - } - MACIO_OUT32(KEYLARGO_FCR0, fcr); - if ((fcr & (KL0_SCCA_ENABLE | KL0_SCCB_ENABLE)) == 0) { - fcr &= ~KL0_SCC_CELL_ENABLE; - MACIO_OUT32(KEYLARGO_FCR0, fcr); - } - macio->flags &= ~(chan_mask); - UNLOCK(flags); - mdelay(10); - } - return 0; -} - -static long -core99_modem_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - u8 gpio; - unsigned long flags; - - /* Hack for internal USB modem */ - if (node == NULL) { - if (macio_chips[0].type != macio_keylargo) - return -ENODEV; - node = macio_chips[0].of_node; - } - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - gpio = MACIO_IN8(KL_GPIO_MODEM_RESET); - gpio |= KEYLARGO_GPIO_OUTPUT_ENABLE; - gpio &= ~KEYLARGO_GPIO_OUTOUT_DATA; - - if (!value) { - LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); - UNLOCK(flags); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - mdelay(250); - } - LOCK(flags); - if (value) { - MACIO_BIC(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); - UNLOCK(flags); - (void)MACIO_IN32(KEYLARGO_FCR2); - mdelay(250); - } else { - MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); - UNLOCK(flags); - } - if (value) { - LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); - } - return 0; -} - -static long -pangea_modem_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - u8 gpio; - unsigned long flags; - - /* Hack for internal USB modem */ - if (node == NULL) { - if (macio_chips[0].type != macio_pangea && - macio_chips[0].type != macio_intrepid) - return -ENODEV; - node = macio_chips[0].of_node; - } - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - gpio = MACIO_IN8(KL_GPIO_MODEM_RESET); - gpio |= KEYLARGO_GPIO_OUTPUT_ENABLE; - gpio &= ~KEYLARGO_GPIO_OUTOUT_DATA; - - if (!value) { - LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); - UNLOCK(flags); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - mdelay(250); - } - LOCK(flags); - if (value) { - MACIO_OUT8(KL_GPIO_MODEM_POWER, - KEYLARGO_GPIO_OUTPUT_ENABLE); - UNLOCK(flags); - (void)MACIO_IN32(KEYLARGO_FCR2); - mdelay(250); - } else { - MACIO_OUT8(KL_GPIO_MODEM_POWER, - KEYLARGO_GPIO_OUTPUT_ENABLE | KEYLARGO_GPIO_OUTOUT_DATA); - UNLOCK(flags); - } - if (value) { - LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); LOCK(flags); - MACIO_OUT8(KL_GPIO_MODEM_RESET, gpio | KEYLARGO_GPIO_OUTOUT_DATA); - (void)MACIO_IN8(KL_GPIO_MODEM_RESET); - UNLOCK(flags); mdelay(250); - } - return 0; -} - -static long -core99_ata100_enable(struct device_node* node, long value) -{ - unsigned long flags; - struct pci_dev *pdev = NULL; - u8 pbus, pid; - - if (uninorth_rev < 0x24) - return -ENODEV; - - LOCK(flags); - if (value) - UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_ATA100); - else - UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_ATA100); - (void)UN_IN(UNI_N_CLOCK_CNTL); - UNLOCK(flags); - udelay(20); - - if (value) { - if (pci_device_from_OF_node(node, &pbus, &pid) == 0) - pdev = pci_find_slot(pbus, pid); - if (pdev == NULL) - return 0; - pci_enable_device(pdev); - pci_set_master(pdev); - } - return 0; -} - -static long -core99_ide_enable(struct device_node* node, long param, long value) -{ - /* Bus ID 0 to 2 are KeyLargo based IDE, busID 3 is U2 - * based ata-100 - */ - switch(param) { - case 0: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_EIDE0_ENABLE, value); - case 1: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_EIDE1_ENABLE, value); - case 2: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_UIDE_ENABLE, value); - case 3: - return core99_ata100_enable(node, value); - default: - return -ENODEV; - } -} - -static long -core99_ide_reset(struct device_node* node, long param, long value) -{ - switch(param) { - case 0: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_EIDE0_RESET_N, !value); - case 1: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_EIDE1_RESET_N, !value); - case 2: - return simple_feature_tweak(node, macio_unknown, - KEYLARGO_FCR1, KL1_UIDE_RESET_N, !value); - default: - return -ENODEV; - } -} - -static long -core99_gmac_enable(struct device_node* node, long param, long value) -{ - unsigned long flags; - - LOCK(flags); - if (value) - UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_GMAC); - else - UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_GMAC); - (void)UN_IN(UNI_N_CLOCK_CNTL); - UNLOCK(flags); - udelay(20); - - return 0; -} - -static long -core99_gmac_phy_reset(struct device_node* node, long param, long value) -{ - unsigned long flags; - struct macio_chip* macio; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - - LOCK(flags); - MACIO_OUT8(KL_GPIO_ETH_PHY_RESET, KEYLARGO_GPIO_OUTPUT_ENABLE); - (void)MACIO_IN8(KL_GPIO_ETH_PHY_RESET); - UNLOCK(flags); - mdelay(10); - LOCK(flags); - MACIO_OUT8(KL_GPIO_ETH_PHY_RESET, /*KEYLARGO_GPIO_OUTPUT_ENABLE | */ - KEYLARGO_GPIO_OUTOUT_DATA); - UNLOCK(flags); - mdelay(10); - - return 0; -} - -static long -core99_sound_chip_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - - /* Do a better probe code, screamer G4 desktops & - * iMacs can do that too, add a recalibrate in - * the driver as well - */ - if (pmac_mb.model_id == PMAC_TYPE_PISMO || - pmac_mb.model_id == PMAC_TYPE_TITANIUM) { - LOCK(flags); - if (value) - MACIO_OUT8(KL_GPIO_SOUND_POWER, - KEYLARGO_GPIO_OUTPUT_ENABLE | - KEYLARGO_GPIO_OUTOUT_DATA); - else - MACIO_OUT8(KL_GPIO_SOUND_POWER, - KEYLARGO_GPIO_OUTPUT_ENABLE); - (void)MACIO_IN8(KL_GPIO_SOUND_POWER); - UNLOCK(flags); - } - return 0; -} - -static long -core99_airport_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - int state; - - macio = macio_find(node, 0); - if (!macio) - return -ENODEV; - - /* Hint: we allow passing of macio itself for the sake of the - * sleep code - */ - if (node != macio->of_node && - (!node->parent || node->parent != macio->of_node)) - return -ENODEV; - state = (macio->flags & MACIO_FLAG_AIRPORT_ON) != 0; - if (value == state) - return 0; - if (value) { - /* This code is a reproduction of OF enable-cardslot - * and init-wireless methods, slightly hacked until - * I got it working. - */ - LOCK(flags); - MACIO_OUT8(KEYLARGO_GPIO_0+0xf, 5); - (void)MACIO_IN8(KEYLARGO_GPIO_0+0xf); - UNLOCK(flags); - mdelay(10); - LOCK(flags); - MACIO_OUT8(KEYLARGO_GPIO_0+0xf, 4); - (void)MACIO_IN8(KEYLARGO_GPIO_0+0xf); - UNLOCK(flags); - - mdelay(10); - - LOCK(flags); - MACIO_BIC(KEYLARGO_FCR2, KL2_CARDSEL_16); - (void)MACIO_IN32(KEYLARGO_FCR2); - udelay(10); - MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xb, 0); - (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xb); - udelay(10); - MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xa, 0x28); - (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xa); - udelay(10); - MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+0xd, 0x28); - (void)MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+0xd); - udelay(10); - MACIO_OUT8(KEYLARGO_GPIO_0+0xd, 0x28); - (void)MACIO_IN8(KEYLARGO_GPIO_0+0xd); - udelay(10); - MACIO_OUT8(KEYLARGO_GPIO_0+0xe, 0x28); - (void)MACIO_IN8(KEYLARGO_GPIO_0+0xe); - UNLOCK(flags); - udelay(10); - MACIO_OUT32(0x1c000, 0); - mdelay(1); - MACIO_OUT8(0x1a3e0, 0x41); - (void)MACIO_IN8(0x1a3e0); - udelay(10); - LOCK(flags); - MACIO_BIS(KEYLARGO_FCR2, KL2_CARDSEL_16); - (void)MACIO_IN32(KEYLARGO_FCR2); - UNLOCK(flags); - mdelay(100); - - macio->flags |= MACIO_FLAG_AIRPORT_ON; - } else { - LOCK(flags); - MACIO_BIC(KEYLARGO_FCR2, KL2_CARDSEL_16); - (void)MACIO_IN32(KEYLARGO_FCR2); - MACIO_OUT8(KL_GPIO_AIRPORT_0, 0); - MACIO_OUT8(KL_GPIO_AIRPORT_1, 0); - MACIO_OUT8(KL_GPIO_AIRPORT_2, 0); - MACIO_OUT8(KL_GPIO_AIRPORT_3, 0); - MACIO_OUT8(KL_GPIO_AIRPORT_4, 0); - (void)MACIO_IN8(KL_GPIO_AIRPORT_4); - UNLOCK(flags); - - macio->flags &= ~MACIO_FLAG_AIRPORT_ON; - } - return 0; -} - -#ifdef CONFIG_SMP -static long -core99_reset_cpu(struct device_node* node, long param, long value) -{ - unsigned int reset_io = 0; - unsigned long flags; - struct macio_chip* macio; - struct device_node* np; - const int dflt_reset_lines[] = { KL_GPIO_RESET_CPU0, - KL_GPIO_RESET_CPU1, - KL_GPIO_RESET_CPU2, - KL_GPIO_RESET_CPU3 }; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo) - return -ENODEV; - - np = find_path_device("/cpus"); - if (np == NULL) - return -ENODEV; - for (np = np->child; np != NULL; np = np->sibling) { - u32* num = (u32 *)get_property(np, "reg", NULL); - u32* rst = (u32 *)get_property(np, "soft-reset", NULL); - if (num == NULL || rst == NULL) - continue; - if (param == *num) { - reset_io = *rst; - break; - } - } - if (np == NULL || reset_io == 0) - reset_io = dflt_reset_lines[param]; - - LOCK(flags); - MACIO_OUT8(reset_io, KEYLARGO_GPIO_OUTPUT_ENABLE); - (void)MACIO_IN8(reset_io); - udelay(1); - MACIO_OUT8(reset_io, 0); - (void)MACIO_IN8(reset_io); - UNLOCK(flags); - - return 0; -} -#endif /* CONFIG_SMP */ - -static long -core99_usb_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio; - unsigned long flags; - char* prop; - int number; - u32 reg; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - - prop = (char *)get_property(node, "AAPL,clock-id", NULL); - if (!prop) - return -ENODEV; - if (strncmp(prop, "usb0u048", 8) == 0) - number = 0; - else if (strncmp(prop, "usb1u148", 8) == 0) - number = 2; - else if (strncmp(prop, "usb2u248", 8) == 0) - number = 4; - else - return -ENODEV; - - /* Sorry for the brute-force locking, but this is only used during - * sleep and the timing seem to be critical - */ - LOCK(flags); - if (value) { - /* Turn ON */ - if (number == 0) { - MACIO_BIC(KEYLARGO_FCR0, (KL0_USB0_PAD_SUSPEND0 | KL0_USB0_PAD_SUSPEND1)); - (void)MACIO_IN32(KEYLARGO_FCR0); - UNLOCK(flags); - mdelay(1); - LOCK(flags); - MACIO_BIS(KEYLARGO_FCR0, KL0_USB0_CELL_ENABLE); - } else if (number == 2) { - MACIO_BIC(KEYLARGO_FCR0, (KL0_USB1_PAD_SUSPEND0 | KL0_USB1_PAD_SUSPEND1)); - UNLOCK(flags); - (void)MACIO_IN32(KEYLARGO_FCR0); - mdelay(1); - LOCK(flags); - MACIO_BIS(KEYLARGO_FCR0, KL0_USB1_CELL_ENABLE); - } else if (number == 4) { - MACIO_BIC(KEYLARGO_FCR1, (KL1_USB2_PAD_SUSPEND0 | KL1_USB2_PAD_SUSPEND1)); - UNLOCK(flags); - (void)MACIO_IN32(KEYLARGO_FCR1); - mdelay(1); - LOCK(flags); - MACIO_BIS(KEYLARGO_FCR1, KL1_USB2_CELL_ENABLE); - } - if (number < 4) { - reg = MACIO_IN32(KEYLARGO_FCR4); - reg &= ~(KL4_PORT_WAKEUP_ENABLE(number) | KL4_PORT_RESUME_WAKE_EN(number) | - KL4_PORT_CONNECT_WAKE_EN(number) | KL4_PORT_DISCONNECT_WAKE_EN(number)); - reg &= ~(KL4_PORT_WAKEUP_ENABLE(number+1) | KL4_PORT_RESUME_WAKE_EN(number+1) | - KL4_PORT_CONNECT_WAKE_EN(number+1) | KL4_PORT_DISCONNECT_WAKE_EN(number+1)); - MACIO_OUT32(KEYLARGO_FCR4, reg); - (void)MACIO_IN32(KEYLARGO_FCR4); - udelay(10); - } else { - reg = MACIO_IN32(KEYLARGO_FCR3); - reg &= ~(KL3_IT_PORT_WAKEUP_ENABLE(0) | KL3_IT_PORT_RESUME_WAKE_EN(0) | - KL3_IT_PORT_CONNECT_WAKE_EN(0) | KL3_IT_PORT_DISCONNECT_WAKE_EN(0)); - reg &= ~(KL3_IT_PORT_WAKEUP_ENABLE(1) | KL3_IT_PORT_RESUME_WAKE_EN(1) | - KL3_IT_PORT_CONNECT_WAKE_EN(1) | KL3_IT_PORT_DISCONNECT_WAKE_EN(1)); - MACIO_OUT32(KEYLARGO_FCR3, reg); - (void)MACIO_IN32(KEYLARGO_FCR3); - udelay(10); - } - if (macio->type == macio_intrepid) { - /* wait for clock stopped bits to clear */ - u32 test0 = 0, test1 = 0; - u32 status0, status1; - int timeout = 1000; - - UNLOCK(flags); - switch (number) { - case 0: - test0 = UNI_N_CLOCK_STOPPED_USB0; - test1 = UNI_N_CLOCK_STOPPED_USB0PCI; - break; - case 2: - test0 = UNI_N_CLOCK_STOPPED_USB1; - test1 = UNI_N_CLOCK_STOPPED_USB1PCI; - break; - case 4: - test0 = UNI_N_CLOCK_STOPPED_USB2; - test1 = UNI_N_CLOCK_STOPPED_USB2PCI; - break; - } - do { - if (--timeout <= 0) { - printk(KERN_ERR "core99_usb_enable: " - "Timeout waiting for clocks\n"); - break; - } - mdelay(1); - status0 = UN_IN(UNI_N_CLOCK_STOP_STATUS0); - status1 = UN_IN(UNI_N_CLOCK_STOP_STATUS1); - } while ((status0 & test0) | (status1 & test1)); - LOCK(flags); - } - } else { - /* Turn OFF */ - if (number < 4) { - reg = MACIO_IN32(KEYLARGO_FCR4); - reg |= KL4_PORT_WAKEUP_ENABLE(number) | KL4_PORT_RESUME_WAKE_EN(number) | - KL4_PORT_CONNECT_WAKE_EN(number) | KL4_PORT_DISCONNECT_WAKE_EN(number); - reg |= KL4_PORT_WAKEUP_ENABLE(number+1) | KL4_PORT_RESUME_WAKE_EN(number+1) | - KL4_PORT_CONNECT_WAKE_EN(number+1) | KL4_PORT_DISCONNECT_WAKE_EN(number+1); - MACIO_OUT32(KEYLARGO_FCR4, reg); - (void)MACIO_IN32(KEYLARGO_FCR4); - udelay(1); - } else { - reg = MACIO_IN32(KEYLARGO_FCR3); - reg |= KL3_IT_PORT_WAKEUP_ENABLE(0) | KL3_IT_PORT_RESUME_WAKE_EN(0) | - KL3_IT_PORT_CONNECT_WAKE_EN(0) | KL3_IT_PORT_DISCONNECT_WAKE_EN(0); - reg |= KL3_IT_PORT_WAKEUP_ENABLE(1) | KL3_IT_PORT_RESUME_WAKE_EN(1) | - KL3_IT_PORT_CONNECT_WAKE_EN(1) | KL3_IT_PORT_DISCONNECT_WAKE_EN(1); - MACIO_OUT32(KEYLARGO_FCR3, reg); - (void)MACIO_IN32(KEYLARGO_FCR3); - udelay(1); - } - if (number == 0) { - if (macio->type != macio_intrepid) - MACIO_BIC(KEYLARGO_FCR0, KL0_USB0_CELL_ENABLE); - (void)MACIO_IN32(KEYLARGO_FCR0); - udelay(1); - MACIO_BIS(KEYLARGO_FCR0, (KL0_USB0_PAD_SUSPEND0 | KL0_USB0_PAD_SUSPEND1)); - (void)MACIO_IN32(KEYLARGO_FCR0); - } else if (number == 2) { - if (macio->type != macio_intrepid) - MACIO_BIC(KEYLARGO_FCR0, KL0_USB1_CELL_ENABLE); - (void)MACIO_IN32(KEYLARGO_FCR0); - udelay(1); - MACIO_BIS(KEYLARGO_FCR0, (KL0_USB1_PAD_SUSPEND0 | KL0_USB1_PAD_SUSPEND1)); - (void)MACIO_IN32(KEYLARGO_FCR0); - } else if (number == 4) { - udelay(1); - MACIO_BIS(KEYLARGO_FCR1, (KL1_USB2_PAD_SUSPEND0 | KL1_USB2_PAD_SUSPEND1)); - (void)MACIO_IN32(KEYLARGO_FCR1); - } - udelay(1); - } - UNLOCK(flags); - - return 0; -} - -static long -core99_firewire_enable(struct device_node* node, long param, long value) -{ - unsigned long flags; - struct macio_chip* macio; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - if (!(macio->flags & MACIO_FLAG_FW_SUPPORTED)) - return -ENODEV; - - LOCK(flags); - if (value) { - UN_BIS(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_FW); - (void)UN_IN(UNI_N_CLOCK_CNTL); - } else { - UN_BIC(UNI_N_CLOCK_CNTL, UNI_N_CLOCK_CNTL_FW); - (void)UN_IN(UNI_N_CLOCK_CNTL); - } - UNLOCK(flags); - mdelay(1); - - return 0; -} - -static long -core99_firewire_cable_power(struct device_node* node, long param, long value) -{ - unsigned long flags; - struct macio_chip* macio; - - /* Trick: we allow NULL node */ - if ((pmac_mb.board_flags & PMAC_MB_HAS_FW_POWER) == 0) - return -ENODEV; - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - if (!(macio->flags & MACIO_FLAG_FW_SUPPORTED)) - return -ENODEV; - - LOCK(flags); - if (value) { - MACIO_OUT8(KL_GPIO_FW_CABLE_POWER , 0); - MACIO_IN8(KL_GPIO_FW_CABLE_POWER); - udelay(10); - } else { - MACIO_OUT8(KL_GPIO_FW_CABLE_POWER , 4); - MACIO_IN8(KL_GPIO_FW_CABLE_POWER); udelay(10); - } - UNLOCK(flags); - mdelay(1); - - return 0; -} - -static long -intrepid_aack_delay_enable(struct device_node* node, long param, long value) -{ - unsigned long flags; - - if (uninorth_rev < 0xd2) - return -ENODEV; - - LOCK(flags); - if (param) - UN_BIS(UNI_N_AACK_DELAY, UNI_N_AACK_DELAY_ENABLE); - else - UN_BIC(UNI_N_AACK_DELAY, UNI_N_AACK_DELAY_ENABLE); - UNLOCK(flags); - - return 0; -} - - -#endif /* CONFIG_POWER4 */ - -static long -core99_read_gpio(struct device_node* node, long param, long value) -{ - struct macio_chip* macio = &macio_chips[0]; - - return MACIO_IN8(param); -} - - -static long -core99_write_gpio(struct device_node* node, long param, long value) -{ - struct macio_chip* macio = &macio_chips[0]; - - MACIO_OUT8(param, (u8)(value & 0xff)); - return 0; -} - -#ifdef CONFIG_POWER4 - -static long -g5_gmac_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio = &macio_chips[0]; - unsigned long flags; - u8 pbus, pid; - - LOCK(flags); - if (value) { - MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_GMAC_CLK_ENABLE); - mb(); - k2_skiplist[0] = NULL; - } else { - k2_skiplist[0] = node; - mb(); - MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_GMAC_CLK_ENABLE); - } - - UNLOCK(flags); - mdelay(1); - - return 0; -} - -static long -g5_fw_enable(struct device_node* node, long param, long value) -{ - struct macio_chip* macio = &macio_chips[0]; - unsigned long flags; - - LOCK(flags); - if (value) { - MACIO_BIS(KEYLARGO_FCR1, K2_FCR1_FW_CLK_ENABLE); - mb(); - k2_skiplist[1] = NULL; - } else { - k2_skiplist[1] = node; - mb(); - MACIO_BIC(KEYLARGO_FCR1, K2_FCR1_FW_CLK_ENABLE); - } - - UNLOCK(flags); - mdelay(1); - - return 0; -} - -static long -g5_mpic_enable(struct device_node* node, long param, long value) -{ - unsigned long flags; - - if (node->parent == NULL || strcmp(node->parent->name, "u3")) - return 0; - - LOCK(flags); - UN_BIS(U3_TOGGLE_REG, U3_MPIC_RESET | U3_MPIC_OUTPUT_ENABLE); - UNLOCK(flags); - - return 0; -} - -#ifdef CONFIG_SMP -static long -g5_reset_cpu(struct device_node* node, long param, long value) -{ - unsigned int reset_io = 0; - unsigned long flags; - struct macio_chip* macio; - struct device_node* np; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo2) - return -ENODEV; - - np = find_path_device("/cpus"); - if (np == NULL) - return -ENODEV; - for (np = np->child; np != NULL; np = np->sibling) { - u32* num = (u32 *)get_property(np, "reg", NULL); - u32* rst = (u32 *)get_property(np, "soft-reset", NULL); - if (num == NULL || rst == NULL) - continue; - if (param == *num) { - reset_io = *rst; - break; - } - } - if (np == NULL || reset_io == 0) - return -ENODEV; - - LOCK(flags); - MACIO_OUT8(reset_io, KEYLARGO_GPIO_OUTPUT_ENABLE); - (void)MACIO_IN8(reset_io); - udelay(1); - MACIO_OUT8(reset_io, 0); - (void)MACIO_IN8(reset_io); - UNLOCK(flags); - - return 0; -} -#endif /* CONFIG_SMP */ - -/* - * This can be called from pmac_smp so isn't static - * - * This takes the second CPU off the bus on dual CPU machines - * running UP - */ -void g5_phy_disable_cpu1(void) -{ - UN_OUT(U3_API_PHY_CONFIG_1, 0); -} - -#endif /* CONFIG_POWER4 */ - -#ifndef CONFIG_POWER4 - -static void -keylargo_shutdown(struct macio_chip* macio, int sleep_mode) -{ - u32 temp; - - if (sleep_mode) { - mdelay(1); - MACIO_BIS(KEYLARGO_FCR0, KL0_USB_REF_SUSPEND); - (void)MACIO_IN32(KEYLARGO_FCR0); - mdelay(1); - } - - MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE | - KL0_SCC_CELL_ENABLE | - KL0_IRDA_ENABLE | KL0_IRDA_CLK32_ENABLE | - KL0_IRDA_CLK19_ENABLE); - - MACIO_BIC(KEYLARGO_MBCR, KL_MBCR_MB0_DEV_MASK); - MACIO_BIS(KEYLARGO_MBCR, KL_MBCR_MB0_IDE_ENABLE); - - MACIO_BIC(KEYLARGO_FCR1, - KL1_AUDIO_SEL_22MCLK | KL1_AUDIO_CLK_ENABLE_BIT | - KL1_AUDIO_CLK_OUT_ENABLE | KL1_AUDIO_CELL_ENABLE | - KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT | - KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE | - KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE | - KL1_EIDE0_ENABLE | KL1_EIDE0_RESET_N | - KL1_EIDE1_ENABLE | KL1_EIDE1_RESET_N | - KL1_UIDE_ENABLE); - - MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); - MACIO_BIC(KEYLARGO_FCR2, KL2_IOBUS_ENABLE); - - temp = MACIO_IN32(KEYLARGO_FCR3); - if (macio->rev >= 2) { - temp |= KL3_SHUTDOWN_PLL2X; - if (sleep_mode) - temp |= KL3_SHUTDOWN_PLL_TOTAL; - } - - temp |= KL3_SHUTDOWN_PLLKW6 | KL3_SHUTDOWN_PLLKW4 | - KL3_SHUTDOWN_PLLKW35; - if (sleep_mode) - temp |= KL3_SHUTDOWN_PLLKW12; - temp &= ~(KL3_CLK66_ENABLE | KL3_CLK49_ENABLE | KL3_CLK45_ENABLE - | KL3_CLK31_ENABLE | KL3_I2S1_CLK18_ENABLE | KL3_I2S0_CLK18_ENABLE); - if (sleep_mode) - temp &= ~(KL3_TIMER_CLK18_ENABLE | KL3_VIA_CLK16_ENABLE); - MACIO_OUT32(KEYLARGO_FCR3, temp); - - /* Flush posted writes & wait a bit */ - (void)MACIO_IN32(KEYLARGO_FCR0); mdelay(1); -} - -static void -pangea_shutdown(struct macio_chip* macio, int sleep_mode) -{ - u32 temp; - - MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE | - KL0_SCC_CELL_ENABLE | - KL0_USB0_CELL_ENABLE | KL0_USB1_CELL_ENABLE); - - MACIO_BIC(KEYLARGO_FCR1, - KL1_AUDIO_SEL_22MCLK | KL1_AUDIO_CLK_ENABLE_BIT | - KL1_AUDIO_CLK_OUT_ENABLE | KL1_AUDIO_CELL_ENABLE | - KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT | - KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE | - KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE | - KL1_UIDE_ENABLE); - if (pmac_mb.board_flags & PMAC_MB_MOBILE) - MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N); - - MACIO_BIS(KEYLARGO_FCR2, KL2_ALT_DATA_OUT); - - temp = MACIO_IN32(KEYLARGO_FCR3); - temp |= KL3_SHUTDOWN_PLLKW6 | KL3_SHUTDOWN_PLLKW4 | - KL3_SHUTDOWN_PLLKW35; - temp &= ~(KL3_CLK49_ENABLE | KL3_CLK45_ENABLE | KL3_CLK31_ENABLE - | KL3_I2S0_CLK18_ENABLE | KL3_I2S1_CLK18_ENABLE); - if (sleep_mode) - temp &= ~(KL3_VIA_CLK16_ENABLE | KL3_TIMER_CLK18_ENABLE); - MACIO_OUT32(KEYLARGO_FCR3, temp); - - /* Flush posted writes & wait a bit */ - (void)MACIO_IN32(KEYLARGO_FCR0); mdelay(1); -} - -static void -intrepid_shutdown(struct macio_chip* macio, int sleep_mode) -{ - u32 temp; - - MACIO_BIC(KEYLARGO_FCR0,KL0_SCCA_ENABLE | KL0_SCCB_ENABLE | - KL0_SCC_CELL_ENABLE); - - MACIO_BIC(KEYLARGO_FCR1, - /*KL1_USB2_CELL_ENABLE |*/ - KL1_I2S0_CELL_ENABLE | KL1_I2S0_CLK_ENABLE_BIT | - KL1_I2S0_ENABLE | KL1_I2S1_CELL_ENABLE | - KL1_I2S1_CLK_ENABLE_BIT | KL1_I2S1_ENABLE); - if (pmac_mb.board_flags & PMAC_MB_MOBILE) - MACIO_BIC(KEYLARGO_FCR1, KL1_UIDE_RESET_N); - - temp = MACIO_IN32(KEYLARGO_FCR3); - temp &= ~(KL3_CLK49_ENABLE | KL3_CLK45_ENABLE | - KL3_I2S1_CLK18_ENABLE | KL3_I2S0_CLK18_ENABLE); - if (sleep_mode) - temp &= ~(KL3_TIMER_CLK18_ENABLE | KL3_IT_VIA_CLK32_ENABLE); - MACIO_OUT32(KEYLARGO_FCR3, temp); - - /* Flush posted writes & wait a bit */ - (void)MACIO_IN32(KEYLARGO_FCR0); - mdelay(10); -} - - -void pmac_tweak_clock_spreading(int enable) -{ - struct macio_chip* macio = &macio_chips[0]; - - /* Hack for doing clock spreading on some machines PowerBooks and - * iBooks. This implements the "platform-do-clockspreading" OF - * property as decoded manually on various models. For safety, we also - * check the product ID in the device-tree in cases we'll whack the i2c - * chip to make reasonably sure we won't set wrong values in there - * - * Of course, ultimately, we have to implement a real parser for - * the platform-do-* stuff... - */ - - if (macio->type == macio_intrepid) { - struct device_node *clock = - of_find_node_by_path("/uni-n@f8000000/hw-clock"); - if (clock && get_property(clock, "platform-do-clockspreading", - NULL)) { - printk(KERN_INFO "%sabling clock spreading on Intrepid" - " ASIC\n", enable ? "En" : "Dis"); - if (enable) - UN_OUT(UNI_N_CLOCK_SPREADING, 2); - else - UN_OUT(UNI_N_CLOCK_SPREADING, 0); - mdelay(40); - } - of_node_put(clock); - } - - while (machine_is_compatible("PowerBook5,2") || - machine_is_compatible("PowerBook5,3") || - machine_is_compatible("PowerBook6,2") || - machine_is_compatible("PowerBook6,3")) { - struct device_node *ui2c = of_find_node_by_type(NULL, "i2c"); - struct device_node *dt = of_find_node_by_name(NULL, "device-tree"); - u8 buffer[9]; - u32 *productID; - int i, rc, changed = 0; - - if (dt == NULL) - break; - productID = (u32 *)get_property(dt, "pid#", NULL); - if (productID == NULL) - break; - while(ui2c) { - struct device_node *p = of_get_parent(ui2c); - if (p && !strcmp(p->name, "uni-n")) - break; - ui2c = of_find_node_by_type(ui2c, "i2c"); - } - if (ui2c == NULL) - break; - DBG("Trying to bump clock speed for PID: %08x...\n", *productID); - rc = pmac_low_i2c_open(ui2c, 1); - if (rc != 0) - break; - pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_combined); - rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_read, 0x80, buffer, 9); - DBG("read result: %d,", rc); - if (rc != 0) { - pmac_low_i2c_close(ui2c); - break; - } - for (i=0; i<9; i++) - DBG(" %02x", buffer[i]); - DBG("\n"); - - switch(*productID) { - case 0x1182: /* AlBook 12" rev 2 */ - case 0x1183: /* iBook G4 12" */ - buffer[0] = (buffer[0] & 0x8f) | 0x70; - buffer[2] = (buffer[2] & 0x7f) | 0x00; - buffer[5] = (buffer[5] & 0x80) | 0x31; - buffer[6] = (buffer[6] & 0x40) | 0xb0; - buffer[7] = (buffer[7] & 0x00) | (enable ? 0xc0 : 0xba); - buffer[8] = (buffer[8] & 0x00) | 0x30; - changed = 1; - break; - case 0x3142: /* AlBook 15" (ATI M10) */ - case 0x3143: /* AlBook 17" (ATI M10) */ - buffer[0] = (buffer[0] & 0xaf) | 0x50; - buffer[2] = (buffer[2] & 0x7f) | 0x00; - buffer[5] = (buffer[5] & 0x80) | 0x31; - buffer[6] = (buffer[6] & 0x40) | 0xb0; - buffer[7] = (buffer[7] & 0x00) | (enable ? 0xd0 : 0xc0); - buffer[8] = (buffer[8] & 0x00) | 0x30; - changed = 1; - break; - default: - DBG("i2c-hwclock: Machine model not handled\n"); - break; - } - if (!changed) { - pmac_low_i2c_close(ui2c); - break; - } - printk(KERN_INFO "%sabling clock spreading on i2c clock chip\n", - enable ? "En" : "Dis"); - pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_stdsub); - rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_write, 0x80, buffer, 9); - DBG("write result: %d,", rc); - pmac_low_i2c_setmode(ui2c, pmac_low_i2c_mode_combined); - rc = pmac_low_i2c_xfer(ui2c, 0xd2 | pmac_low_i2c_read, 0x80, buffer, 9); - DBG("read result: %d,", rc); - if (rc != 0) { - pmac_low_i2c_close(ui2c); - break; - } - for (i=0; i<9; i++) - DBG(" %02x", buffer[i]); - pmac_low_i2c_close(ui2c); - break; - } -} - - -static int -core99_sleep(void) -{ - struct macio_chip* macio; - int i; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - - /* We power off the wireless slot in case it was not done - * by the driver. We don't power it on automatically however - */ - if (macio->flags & MACIO_FLAG_AIRPORT_ON) - core99_airport_enable(macio->of_node, 0, 0); - - /* We power off the FW cable. Should be done by the driver... */ - if (macio->flags & MACIO_FLAG_FW_SUPPORTED) { - core99_firewire_enable(NULL, 0, 0); - core99_firewire_cable_power(NULL, 0, 0); - } - - /* We make sure int. modem is off (in case driver lost it) */ - if (macio->type == macio_keylargo) - core99_modem_enable(macio->of_node, 0, 0); - else - pangea_modem_enable(macio->of_node, 0, 0); - - /* We make sure the sound is off as well */ - core99_sound_chip_enable(macio->of_node, 0, 0); - - /* - * Save various bits of KeyLargo - */ - - /* Save the state of the various GPIOs */ - save_gpio_levels[0] = MACIO_IN32(KEYLARGO_GPIO_LEVELS0); - save_gpio_levels[1] = MACIO_IN32(KEYLARGO_GPIO_LEVELS1); - for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++) - save_gpio_extint[i] = MACIO_IN8(KEYLARGO_GPIO_EXTINT_0+i); - for (i=0; i<KEYLARGO_GPIO_CNT; i++) - save_gpio_normal[i] = MACIO_IN8(KEYLARGO_GPIO_0+i); - - /* Save the FCRs */ - if (macio->type == macio_keylargo) - save_mbcr = MACIO_IN32(KEYLARGO_MBCR); - save_fcr[0] = MACIO_IN32(KEYLARGO_FCR0); - save_fcr[1] = MACIO_IN32(KEYLARGO_FCR1); - save_fcr[2] = MACIO_IN32(KEYLARGO_FCR2); - save_fcr[3] = MACIO_IN32(KEYLARGO_FCR3); - save_fcr[4] = MACIO_IN32(KEYLARGO_FCR4); - if (macio->type == macio_pangea || macio->type == macio_intrepid) - save_fcr[5] = MACIO_IN32(KEYLARGO_FCR5); - - /* Save state & config of DBDMA channels */ - dbdma_save(macio, save_dbdma); - - /* - * Turn off as much as we can - */ - if (macio->type == macio_pangea) - pangea_shutdown(macio, 1); - else if (macio->type == macio_intrepid) - intrepid_shutdown(macio, 1); - else if (macio->type == macio_keylargo) - keylargo_shutdown(macio, 1); - - /* - * Put the host bridge to sleep - */ - - save_unin_clock_ctl = UN_IN(UNI_N_CLOCK_CNTL); - /* Note: do not switch GMAC off, driver does it when necessary, WOL must keep it - * enabled ! - */ - UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl & - ~(/*UNI_N_CLOCK_CNTL_GMAC|*/UNI_N_CLOCK_CNTL_FW/*|UNI_N_CLOCK_CNTL_PCI*/)); - udelay(100); - UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING); - UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_SLEEP); - mdelay(10); - - /* - * FIXME: A bit of black magic with OpenPIC (don't ask me why) - */ - if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) { - MACIO_BIS(0x506e0, 0x00400000); - MACIO_BIS(0x506e0, 0x80000000); - } - return 0; -} - -static int -core99_wake_up(void) -{ - struct macio_chip* macio; - int i; - - macio = &macio_chips[0]; - if (macio->type != macio_keylargo && macio->type != macio_pangea && - macio->type != macio_intrepid) - return -ENODEV; - - /* - * Wakeup the host bridge - */ - UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL); - udelay(10); - UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING); - udelay(10); - - /* - * Restore KeyLargo - */ - - if (macio->type == macio_keylargo) { - MACIO_OUT32(KEYLARGO_MBCR, save_mbcr); - (void)MACIO_IN32(KEYLARGO_MBCR); udelay(10); - } - MACIO_OUT32(KEYLARGO_FCR0, save_fcr[0]); - (void)MACIO_IN32(KEYLARGO_FCR0); udelay(10); - MACIO_OUT32(KEYLARGO_FCR1, save_fcr[1]); - (void)MACIO_IN32(KEYLARGO_FCR1); udelay(10); - MACIO_OUT32(KEYLARGO_FCR2, save_fcr[2]); - (void)MACIO_IN32(KEYLARGO_FCR2); udelay(10); - MACIO_OUT32(KEYLARGO_FCR3, save_fcr[3]); - (void)MACIO_IN32(KEYLARGO_FCR3); udelay(10); - MACIO_OUT32(KEYLARGO_FCR4, save_fcr[4]); - (void)MACIO_IN32(KEYLARGO_FCR4); udelay(10); - if (macio->type == macio_pangea || macio->type == macio_intrepid) { - MACIO_OUT32(KEYLARGO_FCR5, save_fcr[5]); - (void)MACIO_IN32(KEYLARGO_FCR5); udelay(10); - } - - dbdma_restore(macio, save_dbdma); - - MACIO_OUT32(KEYLARGO_GPIO_LEVELS0, save_gpio_levels[0]); - MACIO_OUT32(KEYLARGO_GPIO_LEVELS1, save_gpio_levels[1]); - for (i=0; i<KEYLARGO_GPIO_EXTINT_CNT; i++) - MACIO_OUT8(KEYLARGO_GPIO_EXTINT_0+i, save_gpio_extint[i]); - for (i=0; i<KEYLARGO_GPIO_CNT; i++) - MACIO_OUT8(KEYLARGO_GPIO_0+i, save_gpio_normal[i]); - - /* FIXME more black magic with OpenPIC ... */ - if (pmac_mb.model_id == PMAC_TYPE_SAWTOOTH) { - MACIO_BIC(0x506e0, 0x00400000); - MACIO_BIC(0x506e0, 0x80000000); - } - - UN_OUT(UNI_N_CLOCK_CNTL, save_unin_clock_ctl); - udelay(100); - - return 0; -} - -static long -core99_sleep_state(struct device_node* node, long param, long value) -{ - /* Param == 1 means to enter the "fake sleep" mode that is - * used for CPU speed switch - */ - if (param == 1) { - if (value == 1) { - UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_SLEEPING); - UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_IDLE2); - } else { - UN_OUT(UNI_N_POWER_MGT, UNI_N_POWER_MGT_NORMAL); - udelay(10); - UN_OUT(UNI_N_HWINIT_STATE, UNI_N_HWINIT_STATE_RUNNING); - udelay(10); - } - return 0; - } - if ((pmac_mb.board_flags & PMAC_MB_CAN_SLEEP) == 0) - return -EPERM; - - if (value == 1) - return core99_sleep(); - else if (value == 0) - return core99_wake_up(); - return 0; -} - -#endif /* CONFIG_POWER4 */ - -static long -generic_dev_can_wake(struct device_node* node, long param, long value) -{ - /* Todo: eventually check we are really dealing with on-board - * video device ... - */ - - if (pmac_mb.board_flags & PMAC_MB_MAY_SLEEP) - pmac_mb.board_flags |= PMAC_MB_CAN_SLEEP; - return 0; -} - -static long -generic_get_mb_info(struct device_node* node, long param, long value) -{ - switch(param) { - case PMAC_MB_INFO_MODEL: - return pmac_mb.model_id; - case PMAC_MB_INFO_FLAGS: - return pmac_mb.board_flags; - case PMAC_MB_INFO_NAME: - /* hack hack hack... but should work */ - *((const char **)value) = pmac_mb.model_name; - return 0; - } - return -EINVAL; -} - - -/* - * Table definitions - */ - -/* Used on any machine - */ -static struct feature_table_entry any_features[] = { - { PMAC_FTR_GET_MB_INFO, generic_get_mb_info }, - { PMAC_FTR_DEVICE_CAN_WAKE, generic_dev_can_wake }, - { 0, NULL } -}; - -#ifndef CONFIG_POWER4 - -/* OHare based motherboards. Currently, we only use these on the - * 2400,3400 and 3500 series powerbooks. Some older desktops seem - * to have issues with turning on/off those asic cells - */ -static struct feature_table_entry ohare_features[] = { - { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable }, - { PMAC_FTR_SWIM3_ENABLE, ohare_floppy_enable }, - { PMAC_FTR_MESH_ENABLE, ohare_mesh_enable }, - { PMAC_FTR_IDE_ENABLE, ohare_ide_enable}, - { PMAC_FTR_IDE_RESET, ohare_ide_reset}, - { PMAC_FTR_SLEEP_STATE, ohare_sleep_state }, - { 0, NULL } -}; - -/* Heathrow desktop machines (Beige G3). - * Separated as some features couldn't be properly tested - * and the serial port control bits appear to confuse it. - */ -static struct feature_table_entry heathrow_desktop_features[] = { - { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable }, - { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable }, - { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable }, - { PMAC_FTR_IDE_RESET, heathrow_ide_reset }, - { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable }, - { 0, NULL } -}; - -/* Heathrow based laptop, that is the Wallstreet and mainstreet - * powerbooks. - */ -static struct feature_table_entry heathrow_laptop_features[] = { - { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable }, - { PMAC_FTR_MODEM_ENABLE, heathrow_modem_enable }, - { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable }, - { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable }, - { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable }, - { PMAC_FTR_IDE_RESET, heathrow_ide_reset }, - { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable }, - { PMAC_FTR_SOUND_CHIP_ENABLE, heathrow_sound_enable }, - { PMAC_FTR_SLEEP_STATE, heathrow_sleep_state }, - { 0, NULL } -}; - -/* Paddington based machines - * The lombard (101) powerbook, first iMac models, B&W G3 and Yikes G4. - */ -static struct feature_table_entry paddington_features[] = { - { PMAC_FTR_SCC_ENABLE, ohare_htw_scc_enable }, - { PMAC_FTR_MODEM_ENABLE, heathrow_modem_enable }, - { PMAC_FTR_SWIM3_ENABLE, heathrow_floppy_enable }, - { PMAC_FTR_MESH_ENABLE, heathrow_mesh_enable }, - { PMAC_FTR_IDE_ENABLE, heathrow_ide_enable }, - { PMAC_FTR_IDE_RESET, heathrow_ide_reset }, - { PMAC_FTR_BMAC_ENABLE, heathrow_bmac_enable }, - { PMAC_FTR_SOUND_CHIP_ENABLE, heathrow_sound_enable }, - { PMAC_FTR_SLEEP_STATE, heathrow_sleep_state }, - { 0, NULL } -}; - -/* Core99 & MacRISC 2 machines (all machines released since the - * iBook (included), that is all AGP machines, except pangea - * chipset. The pangea chipset is the "combo" UniNorth/KeyLargo - * used on iBook2 & iMac "flow power". - */ -static struct feature_table_entry core99_features[] = { - { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, - { PMAC_FTR_MODEM_ENABLE, core99_modem_enable }, - { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, - { PMAC_FTR_IDE_RESET, core99_ide_reset }, - { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, - { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, - { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable }, - { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable }, - { PMAC_FTR_USB_ENABLE, core99_usb_enable }, - { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, - { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, - { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, -#ifdef CONFIG_SMP - { PMAC_FTR_RESET_CPU, core99_reset_cpu }, -#endif /* CONFIG_SMP */ - { PMAC_FTR_READ_GPIO, core99_read_gpio }, - { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, - { 0, NULL } -}; - -/* RackMac - */ -static struct feature_table_entry rackmac_features[] = { - { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, - { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, - { PMAC_FTR_IDE_RESET, core99_ide_reset }, - { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, - { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, - { PMAC_FTR_USB_ENABLE, core99_usb_enable }, - { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, - { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, - { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, -#ifdef CONFIG_SMP - { PMAC_FTR_RESET_CPU, core99_reset_cpu }, -#endif /* CONFIG_SMP */ - { PMAC_FTR_READ_GPIO, core99_read_gpio }, - { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, - { 0, NULL } -}; - -/* Pangea features - */ -static struct feature_table_entry pangea_features[] = { - { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, - { PMAC_FTR_MODEM_ENABLE, pangea_modem_enable }, - { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, - { PMAC_FTR_IDE_RESET, core99_ide_reset }, - { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, - { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, - { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable }, - { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable }, - { PMAC_FTR_USB_ENABLE, core99_usb_enable }, - { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, - { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, - { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, - { PMAC_FTR_READ_GPIO, core99_read_gpio }, - { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, - { 0, NULL } -}; - -/* Intrepid features - */ -static struct feature_table_entry intrepid_features[] = { - { PMAC_FTR_SCC_ENABLE, core99_scc_enable }, - { PMAC_FTR_MODEM_ENABLE, pangea_modem_enable }, - { PMAC_FTR_IDE_ENABLE, core99_ide_enable }, - { PMAC_FTR_IDE_RESET, core99_ide_reset }, - { PMAC_FTR_GMAC_ENABLE, core99_gmac_enable }, - { PMAC_FTR_GMAC_PHY_RESET, core99_gmac_phy_reset }, - { PMAC_FTR_SOUND_CHIP_ENABLE, core99_sound_chip_enable }, - { PMAC_FTR_AIRPORT_ENABLE, core99_airport_enable }, - { PMAC_FTR_USB_ENABLE, core99_usb_enable }, - { PMAC_FTR_1394_ENABLE, core99_firewire_enable }, - { PMAC_FTR_1394_CABLE_POWER, core99_firewire_cable_power }, - { PMAC_FTR_SLEEP_STATE, core99_sleep_state }, - { PMAC_FTR_READ_GPIO, core99_read_gpio }, - { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, - { PMAC_FTR_AACK_DELAY_ENABLE, intrepid_aack_delay_enable }, - { 0, NULL } -}; - -#else /* CONFIG_POWER4 */ - -/* G5 features - */ -static struct feature_table_entry g5_features[] = { - { PMAC_FTR_GMAC_ENABLE, g5_gmac_enable }, - { PMAC_FTR_1394_ENABLE, g5_fw_enable }, - { PMAC_FTR_ENABLE_MPIC, g5_mpic_enable }, -#ifdef CONFIG_SMP - { PMAC_FTR_RESET_CPU, g5_reset_cpu }, -#endif /* CONFIG_SMP */ - { PMAC_FTR_READ_GPIO, core99_read_gpio }, - { PMAC_FTR_WRITE_GPIO, core99_write_gpio }, - { 0, NULL } -}; - -#endif /* CONFIG_POWER4 */ - -static struct pmac_mb_def pmac_mb_defs[] = { -#ifndef CONFIG_POWER4 - /* - * Desktops - */ - - { "AAPL,8500", "PowerMac 8500/8600", - PMAC_TYPE_PSURGE, NULL, - 0 - }, - { "AAPL,9500", "PowerMac 9500/9600", - PMAC_TYPE_PSURGE, NULL, - 0 - }, - { "AAPL,7200", "PowerMac 7200", - PMAC_TYPE_PSURGE, NULL, - 0 - }, - { "AAPL,7300", "PowerMac 7200/7300", - PMAC_TYPE_PSURGE, NULL, - 0 - }, - { "AAPL,7500", "PowerMac 7500", - PMAC_TYPE_PSURGE, NULL, - 0 - }, - { "AAPL,ShinerESB", "Apple Network Server", - PMAC_TYPE_ANS, NULL, - 0 - }, - { "AAPL,e407", "Alchemy", - PMAC_TYPE_ALCHEMY, NULL, - 0 - }, - { "AAPL,e411", "Gazelle", - PMAC_TYPE_GAZELLE, NULL, - 0 - }, - { "AAPL,Gossamer", "PowerMac G3 (Gossamer)", - PMAC_TYPE_GOSSAMER, heathrow_desktop_features, - 0 - }, - { "AAPL,PowerMac G3", "PowerMac G3 (Silk)", - PMAC_TYPE_SILK, heathrow_desktop_features, - 0 - }, - { "PowerMac1,1", "Blue&White G3", - PMAC_TYPE_YOSEMITE, paddington_features, - 0 - }, - { "PowerMac1,2", "PowerMac G4 PCI Graphics", - PMAC_TYPE_YIKES, paddington_features, - 0 - }, - { "PowerMac2,1", "iMac FireWire", - PMAC_TYPE_FW_IMAC, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 - }, - { "PowerMac2,2", "iMac FireWire", - PMAC_TYPE_FW_IMAC, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 - }, - { "PowerMac3,1", "PowerMac G4 AGP Graphics", - PMAC_TYPE_SAWTOOTH, core99_features, - PMAC_MB_OLD_CORE99 - }, - { "PowerMac3,2", "PowerMac G4 AGP Graphics", - PMAC_TYPE_SAWTOOTH, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 - }, - { "PowerMac3,3", "PowerMac G4 AGP Graphics", - PMAC_TYPE_SAWTOOTH, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 - }, - { "PowerMac3,4", "PowerMac G4 Silver", - PMAC_TYPE_QUICKSILVER, core99_features, - PMAC_MB_MAY_SLEEP - }, - { "PowerMac3,5", "PowerMac G4 Silver", - PMAC_TYPE_QUICKSILVER, core99_features, - PMAC_MB_MAY_SLEEP - }, - { "PowerMac3,6", "PowerMac G4 Windtunnel", - PMAC_TYPE_WINDTUNNEL, core99_features, - PMAC_MB_MAY_SLEEP, - }, - { "PowerMac4,1", "iMac \"Flower Power\"", - PMAC_TYPE_PANGEA_IMAC, pangea_features, - PMAC_MB_MAY_SLEEP - }, - { "PowerMac4,2", "Flat panel iMac", - PMAC_TYPE_FLAT_PANEL_IMAC, pangea_features, - PMAC_MB_CAN_SLEEP - }, - { "PowerMac4,4", "eMac", - PMAC_TYPE_EMAC, core99_features, - PMAC_MB_MAY_SLEEP - }, - { "PowerMac5,1", "PowerMac G4 Cube", - PMAC_TYPE_CUBE, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_OLD_CORE99 - }, - { "PowerMac6,1", "Flat panel iMac", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP, - }, - { "PowerMac6,3", "Flat panel iMac", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP, - }, - { "PowerMac6,4", "eMac", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP, - }, - { "PowerMac10,1", "Mac mini", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER, - }, - { "iMac,1", "iMac (first generation)", - PMAC_TYPE_ORIG_IMAC, paddington_features, - 0 - }, - - /* - * Xserve's - */ - - { "RackMac1,1", "XServe", - PMAC_TYPE_RACKMAC, rackmac_features, - 0, - }, - { "RackMac1,2", "XServe rev. 2", - PMAC_TYPE_RACKMAC, rackmac_features, - 0, - }, - - /* - * Laptops - */ - - { "AAPL,3400/2400", "PowerBook 3400", - PMAC_TYPE_HOOPER, ohare_features, - PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE - }, - { "AAPL,3500", "PowerBook 3500", - PMAC_TYPE_KANGA, ohare_features, - PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE - }, - { "AAPL,PowerBook1998", "PowerBook Wallstreet", - PMAC_TYPE_WALLSTREET, heathrow_laptop_features, - PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE - }, - { "PowerBook1,1", "PowerBook 101 (Lombard)", - PMAC_TYPE_101_PBOOK, paddington_features, - PMAC_MB_CAN_SLEEP | PMAC_MB_MOBILE - }, - { "PowerBook2,1", "iBook (first generation)", - PMAC_TYPE_ORIG_IBOOK, core99_features, - PMAC_MB_CAN_SLEEP | PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE - }, - { "PowerBook2,2", "iBook FireWire", - PMAC_TYPE_FW_IBOOK, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | - PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE - }, - { "PowerBook3,1", "PowerBook Pismo", - PMAC_TYPE_PISMO, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | - PMAC_MB_OLD_CORE99 | PMAC_MB_MOBILE - }, - { "PowerBook3,2", "PowerBook Titanium", - PMAC_TYPE_TITANIUM, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook3,3", "PowerBook Titanium II", - PMAC_TYPE_TITANIUM2, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook3,4", "PowerBook Titanium III", - PMAC_TYPE_TITANIUM3, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook3,5", "PowerBook Titanium IV", - PMAC_TYPE_TITANIUM4, core99_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook4,1", "iBook 2", - PMAC_TYPE_IBOOK2, pangea_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook4,2", "iBook 2", - PMAC_TYPE_IBOOK2, pangea_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook4,3", "iBook 2 rev. 2", - PMAC_TYPE_IBOOK2, pangea_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE - }, - { "PowerBook5,1", "PowerBook G4 17\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,2", "PowerBook G4 15\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,3", "PowerBook G4 17\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,4", "PowerBook G4 15\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,5", "PowerBook G4 17\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,6", "PowerBook G4 15\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,7", "PowerBook G4 17\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,8", "PowerBook G4 15\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook5,9", "PowerBook G4 17\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,1", "PowerBook G4 12\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,2", "PowerBook G4", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,3", "iBook G4", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,4", "PowerBook G4 12\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,5", "iBook G4", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,7", "iBook G4", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, - { "PowerBook6,8", "PowerBook G4 12\"", - PMAC_TYPE_UNKNOWN_INTREPID, intrepid_features, - PMAC_MB_MAY_SLEEP | PMAC_MB_HAS_FW_POWER | PMAC_MB_MOBILE, - }, -#else /* CONFIG_POWER4 */ - { "PowerMac7,2", "PowerMac G5", - PMAC_TYPE_POWERMAC_G5, g5_features, - 0, - }, -#endif /* CONFIG_POWER4 */ -}; - -/* - * The toplevel feature_call callback - */ -long -pmac_do_feature_call(unsigned int selector, ...) -{ - struct device_node* node; - long param, value; - int i; - feature_call func = NULL; - va_list args; - - if (pmac_mb.features) - for (i=0; pmac_mb.features[i].function; i++) - if (pmac_mb.features[i].selector == selector) { - func = pmac_mb.features[i].function; - break; - } - if (!func) - for (i=0; any_features[i].function; i++) - if (any_features[i].selector == selector) { - func = any_features[i].function; - break; - } - if (!func) - return -ENODEV; - - va_start(args, selector); - node = (struct device_node*)va_arg(args, void*); - param = va_arg(args, long); - value = va_arg(args, long); - va_end(args); - - return func(node, param, value); -} - -static int __init -probe_motherboard(void) -{ - int i; - struct macio_chip* macio = &macio_chips[0]; - const char* model = NULL; - struct device_node *dt; - - /* Lookup known motherboard type in device-tree. First try an - * exact match on the "model" property, then try a "compatible" - * match is none is found. - */ - dt = find_devices("device-tree"); - if (dt != NULL) - model = (const char *) get_property(dt, "model", NULL); - for(i=0; model && i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) { - if (strcmp(model, pmac_mb_defs[i].model_string) == 0) { - pmac_mb = pmac_mb_defs[i]; - goto found; - } - } - for(i=0; i<(sizeof(pmac_mb_defs)/sizeof(struct pmac_mb_def)); i++) { - if (machine_is_compatible(pmac_mb_defs[i].model_string)) { - pmac_mb = pmac_mb_defs[i]; - goto found; - } - } - - /* Fallback to selection depending on mac-io chip type */ - switch(macio->type) { -#ifndef CONFIG_POWER4 - case macio_grand_central: - pmac_mb.model_id = PMAC_TYPE_PSURGE; - pmac_mb.model_name = "Unknown PowerSurge"; - break; - case macio_ohare: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_OHARE; - pmac_mb.model_name = "Unknown OHare-based"; - break; - case macio_heathrow: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_HEATHROW; - pmac_mb.model_name = "Unknown Heathrow-based"; - pmac_mb.features = heathrow_desktop_features; - break; - case macio_paddington: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PADDINGTON; - pmac_mb.model_name = "Unknown Paddington-based"; - pmac_mb.features = paddington_features; - break; - case macio_keylargo: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_CORE99; - pmac_mb.model_name = "Unknown Keylargo-based"; - pmac_mb.features = core99_features; - break; - case macio_pangea: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_PANGEA; - pmac_mb.model_name = "Unknown Pangea-based"; - pmac_mb.features = pangea_features; - break; - case macio_intrepid: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_INTREPID; - pmac_mb.model_name = "Unknown Intrepid-based"; - pmac_mb.features = intrepid_features; - break; -#else /* CONFIG_POWER4 */ - case macio_keylargo2: - pmac_mb.model_id = PMAC_TYPE_UNKNOWN_K2; - pmac_mb.model_name = "Unknown G5"; - pmac_mb.features = g5_features; - break; -#endif /* CONFIG_POWER4 */ - default: - return -ENODEV; - } -found: -#ifndef CONFIG_POWER4 - /* Fixup Hooper vs. Comet */ - if (pmac_mb.model_id == PMAC_TYPE_HOOPER) { - u32 __iomem * mach_id_ptr = ioremap(0xf3000034, 4); - if (!mach_id_ptr) - return -ENODEV; - /* Here, I used to disable the media-bay on comet. It - * appears this is wrong, the floppy connector is actually - * a kind of media-bay and works with the current driver. - */ - if (__raw_readl(mach_id_ptr) & 0x20000000UL) - pmac_mb.model_id = PMAC_TYPE_COMET; - iounmap(mach_id_ptr); - } -#endif /* CONFIG_POWER4 */ - -#ifdef CONFIG_6xx - /* Set default value of powersave_nap on machines that support it. - * It appears that uninorth rev 3 has a problem with it, we don't - * enable it on those. In theory, the flush-on-lock property is - * supposed to be set when not supported, but I'm not very confident - * that all Apple OF revs did it properly, I do it the paranoid way. - */ - while (uninorth_base && uninorth_rev > 3) { - struct device_node* np = find_path_device("/cpus"); - if (!np || !np->child) { - printk(KERN_WARNING "Can't find CPU(s) in device tree !\n"); - break; - } - np = np->child; - /* Nap mode not supported on SMP */ - if (np->sibling) - break; - /* Nap mode not supported if flush-on-lock property is present */ - if (get_property(np, "flush-on-lock", NULL)) - break; - powersave_nap = 1; - printk(KERN_INFO "Processor NAP mode on idle enabled.\n"); - break; - } - - /* On CPUs that support it (750FX), lowspeed by default during - * NAP mode - */ - powersave_lowspeed = 1; -#endif /* CONFIG_6xx */ -#ifdef CONFIG_POWER4 - powersave_nap = 1; -#endif - /* Check for "mobile" machine */ - if (model && (strncmp(model, "PowerBook", 9) == 0 - || strncmp(model, "iBook", 5) == 0)) - pmac_mb.board_flags |= PMAC_MB_MOBILE; - - - printk(KERN_INFO "PowerMac motherboard: %s\n", pmac_mb.model_name); - return 0; -} - -/* Initialize the Core99 UniNorth host bridge and memory controller - */ -static void __init -probe_uninorth(void) -{ - unsigned long actrl; - - /* Locate core99 Uni-N */ - uninorth_node = of_find_node_by_name(NULL, "uni-n"); - /* Locate G5 u3 */ - if (uninorth_node == NULL) { - uninorth_node = of_find_node_by_name(NULL, "u3"); - uninorth_u3 = 1; - } - if (uninorth_node && uninorth_node->n_addrs > 0) { - unsigned long address = uninorth_node->addrs[0].address; - uninorth_base = ioremap(address, 0x40000); - uninorth_rev = in_be32(UN_REG(UNI_N_VERSION)); - if (uninorth_u3) - u3_ht = ioremap(address + U3_HT_CONFIG_BASE, 0x1000); - } else - uninorth_node = NULL; - - if (!uninorth_node) - return; - - printk(KERN_INFO "Found %s memory controller & host bridge, revision: %d\n", - uninorth_u3 ? "U3" : "UniNorth", uninorth_rev); - printk(KERN_INFO "Mapped at 0x%08lx\n", (unsigned long)uninorth_base); - - /* Set the arbitrer QAck delay according to what Apple does - */ - if (uninorth_rev < 0x11) { - actrl = UN_IN(UNI_N_ARB_CTRL) & ~UNI_N_ARB_CTRL_QACK_DELAY_MASK; - actrl |= ((uninorth_rev < 3) ? UNI_N_ARB_CTRL_QACK_DELAY105 : - UNI_N_ARB_CTRL_QACK_DELAY) << UNI_N_ARB_CTRL_QACK_DELAY_SHIFT; - UN_OUT(UNI_N_ARB_CTRL, actrl); - } - - /* Some more magic as done by them in recent MacOS X on UniNorth - * revs 1.5 to 2.O and Pangea. Seem to toggle the UniN Maxbus/PCI - * memory timeout - */ - if ((uninorth_rev >= 0x11 && uninorth_rev <= 0x24) || uninorth_rev == 0xc0) - UN_OUT(0x2160, UN_IN(0x2160) & 0x00ffffff); -} - -static void __init -probe_one_macio(const char* name, const char* compat, int type) -{ - struct device_node* node; - int i; - volatile u32 __iomem * base; - u32* revp; - - node = find_devices(name); - if (!node || !node->n_addrs) - return; - if (compat) - do { - if (device_is_compatible(node, compat)) - break; - node = node->next; - } while (node); - if (!node) - return; - for(i=0; i<MAX_MACIO_CHIPS; i++) { - if (!macio_chips[i].of_node) - break; - if (macio_chips[i].of_node == node) - return; - } - if (i >= MAX_MACIO_CHIPS) { - printk(KERN_ERR "pmac_feature: Please increase MAX_MACIO_CHIPS !\n"); - printk(KERN_ERR "pmac_feature: %s skipped\n", node->full_name); - return; - } - base = ioremap(node->addrs[0].address, node->addrs[0].size); - if (!base) { - printk(KERN_ERR "pmac_feature: Can't map mac-io chip !\n"); - return; - } - if (type == macio_keylargo) { - u32* did = (u32 *)get_property(node, "device-id", NULL); - if (*did == 0x00000025) - type = macio_pangea; - if (*did == 0x0000003e) - type = macio_intrepid; - } - macio_chips[i].of_node = node; - macio_chips[i].type = type; - macio_chips[i].base = base; - macio_chips[i].flags = MACIO_FLAG_SCCB_ON | MACIO_FLAG_SCCB_ON; - macio_chips[i].name = macio_names[type]; - revp = (u32 *)get_property(node, "revision-id", NULL); - if (revp) - macio_chips[i].rev = *revp; - printk(KERN_INFO "Found a %s mac-io controller, rev: %d, mapped at 0x%p\n", - macio_names[type], macio_chips[i].rev, macio_chips[i].base); -} - -static int __init -probe_macios(void) -{ - /* Warning, ordering is important */ - probe_one_macio("gc", NULL, macio_grand_central); - probe_one_macio("ohare", NULL, macio_ohare); - probe_one_macio("pci106b,7", NULL, macio_ohareII); - probe_one_macio("mac-io", "keylargo", macio_keylargo); - probe_one_macio("mac-io", "paddington", macio_paddington); - probe_one_macio("mac-io", "gatwick", macio_gatwick); - probe_one_macio("mac-io", "heathrow", macio_heathrow); - probe_one_macio("mac-io", "K2-Keylargo", macio_keylargo2); - - /* Make sure the "main" macio chip appear first */ - if (macio_chips[0].type == macio_gatwick - && macio_chips[1].type == macio_heathrow) { - struct macio_chip temp = macio_chips[0]; - macio_chips[0] = macio_chips[1]; - macio_chips[1] = temp; - } - if (macio_chips[0].type == macio_ohareII - && macio_chips[1].type == macio_ohare) { - struct macio_chip temp = macio_chips[0]; - macio_chips[0] = macio_chips[1]; - macio_chips[1] = temp; - } - macio_chips[0].lbus.index = 0; - macio_chips[1].lbus.index = 1; - - return (macio_chips[0].of_node == NULL) ? -ENODEV : 0; -} - -static void __init -initial_serial_shutdown(struct device_node* np) -{ - int len; - struct slot_names_prop { - int count; - char name[1]; - } *slots; - char *conn; - int port_type = PMAC_SCC_ASYNC; - int modem = 0; - - slots = (struct slot_names_prop *)get_property(np, "slot-names", &len); - conn = get_property(np, "AAPL,connector", &len); - if (conn && (strcmp(conn, "infrared") == 0)) - port_type = PMAC_SCC_IRDA; - else if (device_is_compatible(np, "cobalt")) - modem = 1; - else if (slots && slots->count > 0) { - if (strcmp(slots->name, "IrDA") == 0) - port_type = PMAC_SCC_IRDA; - else if (strcmp(slots->name, "Modem") == 0) - modem = 1; - } - if (modem) - pmac_call_feature(PMAC_FTR_MODEM_ENABLE, np, 0, 0); - pmac_call_feature(PMAC_FTR_SCC_ENABLE, np, port_type, 0); -} - -static void __init -set_initial_features(void) -{ - struct device_node* np; - - /* That hack appears to be necessary for some StarMax motherboards - * but I'm not too sure it was audited for side-effects on other - * ohare based machines... - * Since I still have difficulties figuring the right way to - * differenciate them all and since that hack was there for a long - * time, I'll keep it around - */ - if (macio_chips[0].type == macio_ohare && !find_devices("via-pmu")) { - struct macio_chip* macio = &macio_chips[0]; - MACIO_OUT32(OHARE_FCR, STARMAX_FEATURES); - } else if (macio_chips[0].type == macio_ohare) { - struct macio_chip* macio = &macio_chips[0]; - MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE); - } else if (macio_chips[1].type == macio_ohare) { - struct macio_chip* macio = &macio_chips[1]; - MACIO_BIS(OHARE_FCR, OH_IOBUS_ENABLE); - } - -#ifdef CONFIG_POWER4 - if (macio_chips[0].type == macio_keylargo2) { -#ifndef CONFIG_SMP - /* On SMP machines running UP, we have the second CPU eating - * bus cycles. We need to take it off the bus. This is done - * from pmac_smp for SMP kernels running on one CPU - */ - np = of_find_node_by_type(NULL, "cpu"); - if (np != NULL) - np = of_find_node_by_type(np, "cpu"); - if (np != NULL) { - g5_phy_disable_cpu1(); - of_node_put(np); - } -#endif /* CONFIG_SMP */ - /* Enable GMAC for now for PCI probing. It will be disabled - * later on after PCI probe - */ - np = of_find_node_by_name(NULL, "ethernet"); - while(np) { - if (device_is_compatible(np, "K2-GMAC")) - g5_gmac_enable(np, 0, 1); - np = of_find_node_by_name(np, "ethernet"); - } - - /* Enable FW before PCI probe. Will be disabled later on - * Note: We should have a batter way to check that we are - * dealing with uninorth internal cell and not a PCI cell - * on the external PCI. The code below works though. - */ - np = of_find_node_by_name(NULL, "firewire"); - while(np) { - if (device_is_compatible(np, "pci106b,5811")) { - macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; - g5_fw_enable(np, 0, 1); - } - np = of_find_node_by_name(np, "firewire"); - } - } -#else /* CONFIG_POWER4 */ - - if (macio_chips[0].type == macio_keylargo || - macio_chips[0].type == macio_pangea || - macio_chips[0].type == macio_intrepid) { - /* Enable GMAC for now for PCI probing. It will be disabled - * later on after PCI probe - */ - np = of_find_node_by_name(NULL, "ethernet"); - while(np) { - if (np->parent - && device_is_compatible(np->parent, "uni-north") - && device_is_compatible(np, "gmac")) - core99_gmac_enable(np, 0, 1); - np = of_find_node_by_name(np, "ethernet"); - } - - /* Enable FW before PCI probe. Will be disabled later on - * Note: We should have a batter way to check that we are - * dealing with uninorth internal cell and not a PCI cell - * on the external PCI. The code below works though. - */ - np = of_find_node_by_name(NULL, "firewire"); - while(np) { - if (np->parent - && device_is_compatible(np->parent, "uni-north") - && (device_is_compatible(np, "pci106b,18") || - device_is_compatible(np, "pci106b,30") || - device_is_compatible(np, "pci11c1,5811"))) { - macio_chips[0].flags |= MACIO_FLAG_FW_SUPPORTED; - core99_firewire_enable(np, 0, 1); - } - np = of_find_node_by_name(np, "firewire"); - } - - /* Enable ATA-100 before PCI probe. */ - np = of_find_node_by_name(NULL, "ata-6"); - while(np) { - if (np->parent - && device_is_compatible(np->parent, "uni-north") - && device_is_compatible(np, "kauai-ata")) { - core99_ata100_enable(np, 1); - } - np = of_find_node_by_name(np, "ata-6"); - } - - /* Switch airport off */ - np = find_devices("radio"); - while(np) { - if (np && np->parent == macio_chips[0].of_node) { - macio_chips[0].flags |= MACIO_FLAG_AIRPORT_ON; - core99_airport_enable(np, 0, 0); - } - np = np->next; - } - } - - /* On all machines that support sound PM, switch sound off */ - if (macio_chips[0].of_node) - pmac_do_feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, - macio_chips[0].of_node, 0, 0); - - /* While on some desktop G3s, we turn it back on */ - if (macio_chips[0].of_node && macio_chips[0].type == macio_heathrow - && (pmac_mb.model_id == PMAC_TYPE_GOSSAMER || - pmac_mb.model_id == PMAC_TYPE_SILK)) { - struct macio_chip* macio = &macio_chips[0]; - MACIO_BIS(HEATHROW_FCR, HRW_SOUND_CLK_ENABLE); - MACIO_BIC(HEATHROW_FCR, HRW_SOUND_POWER_N); - } - - /* Some machine models need the clock chip to be properly setup for - * clock spreading now. This should be a platform function but we - * don't do these at the moment - */ - pmac_tweak_clock_spreading(1); - -#endif /* CONFIG_POWER4 */ - - /* On all machines, switch modem & serial ports off */ - np = find_devices("ch-a"); - while(np) { - initial_serial_shutdown(np); - np = np->next; - } - np = find_devices("ch-b"); - while(np) { - initial_serial_shutdown(np); - np = np->next; - } -} - -void __init -pmac_feature_init(void) -{ - /* Detect the UniNorth memory controller */ - probe_uninorth(); - - /* Probe mac-io controllers */ - if (probe_macios()) { - printk(KERN_WARNING "No mac-io chip found\n"); - return; - } - - /* Setup low-level i2c stuffs */ - pmac_init_low_i2c(); - - /* Probe machine type */ - if (probe_motherboard()) - printk(KERN_WARNING "Unknown PowerMac !\n"); - - /* Set some initial features (turn off some chips that will - * be later turned on) - */ - set_initial_features(); -} - -int __init -pmac_feature_late_init(void) -{ - struct device_node* np; - - /* Request some resources late */ - if (uninorth_node) - request_OF_resource(uninorth_node, 0, NULL); - np = find_devices("hammerhead"); - if (np) - request_OF_resource(np, 0, NULL); - np = find_devices("interrupt-controller"); - if (np) - request_OF_resource(np, 0, NULL); - return 0; -} - -device_initcall(pmac_feature_late_init); - -#ifdef CONFIG_POWER4 - -static void dump_HT_speeds(char *name, u32 cfg, u32 frq) -{ - int freqs[16] = { 200,300,400,500,600,800,1000,0,0,0,0,0,0,0,0,0 }; - int bits[8] = { 8,16,0,32,2,4,0,0 }; - int freq = (frq >> 8) & 0xf; - - if (freqs[freq] == 0) - printk("%s: Unknown HT link frequency %x\n", name, freq); - else - printk("%s: %d MHz on main link, (%d in / %d out) bits width\n", - name, freqs[freq], - bits[(cfg >> 28) & 0x7], bits[(cfg >> 24) & 0x7]); -} - -void __init pmac_check_ht_link(void) -{ - u32 ufreq, freq, ucfg, cfg; - struct device_node *pcix_node; - u8 px_bus, px_devfn; - struct pci_controller *px_hose; - - (void)in_be32(u3_ht + U3_HT_LINK_COMMAND); - ucfg = cfg = in_be32(u3_ht + U3_HT_LINK_CONFIG); - ufreq = freq = in_be32(u3_ht + U3_HT_LINK_FREQ); - dump_HT_speeds("U3 HyperTransport", cfg, freq); - - pcix_node = of_find_compatible_node(NULL, "pci", "pci-x"); - if (pcix_node == NULL) { - printk("No PCI-X bridge found\n"); - return; - } - if (pci_device_from_OF_node(pcix_node, &px_bus, &px_devfn) != 0) { - printk("PCI-X bridge found but not matched to pci\n"); - return; - } - px_hose = pci_find_hose_for_OF_device(pcix_node); - if (px_hose == NULL) { - printk("PCI-X bridge found but not matched to host\n"); - return; - } - early_read_config_dword(px_hose, px_bus, px_devfn, 0xc4, &cfg); - early_read_config_dword(px_hose, px_bus, px_devfn, 0xcc, &freq); - dump_HT_speeds("PCI-X HT Uplink", cfg, freq); - early_read_config_dword(px_hose, px_bus, px_devfn, 0xc8, &cfg); - early_read_config_dword(px_hose, px_bus, px_devfn, 0xd0, &freq); - dump_HT_speeds("PCI-X HT Downlink", cfg, freq); -} - -#endif /* CONFIG_POWER4 */ - -/* - * Early video resume hook - */ - -static void (*pmac_early_vresume_proc)(void *data); -static void *pmac_early_vresume_data; - -void pmac_set_early_video_resume(void (*proc)(void *data), void *data) -{ - if (_machine != _MACH_Pmac) - return; - preempt_disable(); - pmac_early_vresume_proc = proc; - pmac_early_vresume_data = data; - preempt_enable(); -} -EXPORT_SYMBOL(pmac_set_early_video_resume); - -void pmac_call_early_video_resume(void) -{ - if (pmac_early_vresume_proc) - pmac_early_vresume_proc(pmac_early_vresume_data); -} - -/* - * AGP related suspend/resume code - */ - -static struct pci_dev *pmac_agp_bridge; -static int (*pmac_agp_suspend)(struct pci_dev *bridge); -static int (*pmac_agp_resume)(struct pci_dev *bridge); - -void pmac_register_agp_pm(struct pci_dev *bridge, - int (*suspend)(struct pci_dev *bridge), - int (*resume)(struct pci_dev *bridge)) -{ - if (suspend || resume) { - pmac_agp_bridge = bridge; - pmac_agp_suspend = suspend; - pmac_agp_resume = resume; - return; - } - if (bridge != pmac_agp_bridge) - return; - pmac_agp_suspend = pmac_agp_resume = NULL; - return; -} -EXPORT_SYMBOL(pmac_register_agp_pm); - -void pmac_suspend_agp_for_card(struct pci_dev *dev) -{ - if (pmac_agp_bridge == NULL || pmac_agp_suspend == NULL) - return; - if (pmac_agp_bridge->bus != dev->bus) - return; - pmac_agp_suspend(pmac_agp_bridge); -} -EXPORT_SYMBOL(pmac_suspend_agp_for_card); - -void pmac_resume_agp_for_card(struct pci_dev *dev) -{ - if (pmac_agp_bridge == NULL || pmac_agp_resume == NULL) - return; - if (pmac_agp_bridge->bus != dev->bus) - return; - pmac_agp_resume(pmac_agp_bridge); -} -EXPORT_SYMBOL(pmac_resume_agp_for_card); |