static int __init pxa168_init(void)
{
if (cpu_is_pxa168()) {
mfp_init_base(MFPR_VIRT_BASE);
mfp_init_addr(pxa168_mfp_addr_map);
pxa_init_dma(IRQ_PXA168_DMA_INT0, 32);
clks_register(ARRAY_AND_SIZE(pxa168_clkregs));
}
return 0;
}
static int __init pxa168_init(void)
{
if (cpu_is_pxa168()) {
mfp_init_base(MFPR_VIRT_BASE);
mfp_init_addr(pxa168_mfp_addr_map);
pxa_init_dma(IRQ_PXA168_DMA_INT0, 32);
pxa168_clk_init();
}
return 0;
}
int pxa168_usb_phy_deinit(unsigned base)
{
if (cpu_is_pxa168())
u2o_clear(base, UTMI_OTG_ADDON, UTMI_OTG_ADDON_OTG_ON);
u2o_clear(base, UTMI_CTRL, UTMI_CTRL_RXBUF_PDWN);
u2o_clear(base, UTMI_CTRL, UTMI_CTRL_TXBUF_PDWN);
u2o_clear(base, UTMI_CTRL, UTMI_CTRL_USB_CLK_EN);
u2o_clear(base, UTMI_CTRL, 1<<UTMI_CTRL_PWR_UP_SHIFT);
u2o_clear(base, UTMI_CTRL, 1<<UTMI_CTRL_PLL_PWR_UP_SHIFT);
return 0;
}
static int usb_phy_deinit_internal(void __iomem *base)
{
pr_info("Deinit usb phy!!!\n");
if (cpu_is_pxa168())
u2o_clear(base, UTMI_OTG_ADDON, UTMI_OTG_ADDON_OTG_ON);
u2o_clear(base, UTMI_CTRL, UTMI_CTRL_RXBUF_PDWN);
u2o_clear(base, UTMI_CTRL, UTMI_CTRL_TXBUF_PDWN);
u2o_clear(base, UTMI_CTRL, UTMI_CTRL_USB_CLK_EN);
u2o_clear(base, UTMI_CTRL, 1<<UTMI_CTRL_PWR_UP_SHIFT);
u2o_clear(base, UTMI_CTRL, 1<<UTMI_CTRL_PLL_PWR_UP_SHIFT);
return 0;
}
void mfp_config(unsigned long *mfp_cfgs, int num)
{
unsigned long flags;
int i, drv_b11 = 0, no_lpm = 0;
#ifdef CONFIG_ARCH_MMP
if (cpu_is_pxa910() || cpu_is_pxa988() || cpu_is_pxa986() ||
cpu_is_mmp2() || cpu_is_mmp3() || cpu_is_pxa1088())
drv_b11 = 1;
if (cpu_is_pxa168() || cpu_is_pxa910())
no_lpm = 1;
#elif defined(CONFIG_ARCH_PXA)
if (cpu_is_pxa95x())
drv_b11 = 1;
#endif
spin_lock_irqsave(&mfp_spin_lock, flags);
for (i = 0; i < num; i++, mfp_cfgs++) {
unsigned long tmp, c = *mfp_cfgs;
struct mfp_pin *p;
int pin, af, drv, lpm, edge, pull;
pin = MFP_PIN(c);
BUG_ON(pin >= MFP_PIN_MAX);
p = &mfp_table[pin];
af = MFP_AF(c);
drv = MFP_DS(c);
lpm = MFP_LPM_STATE(c);
edge = MFP_LPM_EDGE(c);
pull = MFP_PULL(c);
if (drv_b11)
drv = drv << 1;
if (no_lpm)
lpm = 0;
tmp = MFPR_AF_SEL(af) | MFPR_DRIVE(drv);
tmp |= mfpr_pull[pull] | mfpr_lpm[lpm] | mfpr_edge[edge];
p->mfpr_run = tmp;
p->mfpr_lpm = p->mfpr_run;
p->config = c; __mfp_config_run(p);
}
mfpr_sync();
spin_unlock_irqrestore(&mfp_spin_lock, flags);
}
void mmp_arch_reset(char mode, const char *cmd)
{
int count = 10;
static unsigned char data;
if ((!cpu_is_pxa910()) && (!cpu_is_pxa168()) &&
(!cpu_is_pxa988()) && (!cpu_is_pxa986()) &&
(!cpu_is_pxa1088()))
return;
printk("%s (%c)\n", __func__, mode);
switch (mode) {
case 's':
/* Jump into ROM at address 0 */
cpu_reset(0);
break;
case 'w':
default:
#if defined(CONFIG_MFD_D2199)
if (is_panic) {
/* dump buck1 voltage */
d2199_extern_reg_read(D2199_BUCK2PH_BUCK1_REG, &data);
pr_info("buck1 voltage: 0x%x\n", data);
d2199_extern_reg_write(D2199_BUCK2PH_BUCK1_REG, 0xd8);
/* double check */
d2199_extern_reg_read(D2199_BUCK2PH_BUCK1_REG, &data);
pr_info("buck1 voltage: 0x%x\n", data);
}
#endif
while(count--) {
flush_cache_all();
outer_flush_all();
do_wdt_reset(cmd);
mdelay(1000);
printk("Watchdog fail...retry\n");
}
break;
}
}
static int __init pxa168_pm_init(void)
{
if (!cpu_is_pxa168())
return -EIO;
if (sysfs_create_group(power_kobj, &attr_group))
return -1;
dmc_membase = ioremap(0xb0000000, 0x00001000);
sram_membase = ioremap(0xd1020000, 0x00020000);
/* ex_gpio = GPIO_EXT0(1);
if (gpio_request(ex_gpio, "EXP2_SYS_DIS_N")) {
printk("EXP2_SYS_DIS_N Request Failed\n");
return -EIO;
} currently not required */
suspend_set_ops(&pxa168_pm_ops);
return 0;
}
/* Using watchdog reset */
static void do_wdt_reset(const char *cmd)
{
u32 reg, backup;
void __iomem *watchdog_virt_base;
int i;
int match = 0, count = 0;
if (cpu_is_pxa910() || cpu_is_pxa988() || cpu_is_pxa986() ||
cpu_is_pxa1088())
watchdog_virt_base = CP_TIMERS2_VIRT_BASE;
else if (cpu_is_pxa168())
watchdog_virt_base = TIMERS1_VIRT_BASE;
else
return;
/*Hold cp to avoid reset watchdog*/
if (cpu_is_pxa910() || cpu_is_pxa988() || cpu_is_pxa986() ||
cpu_is_pxa1088()) {
/*hold CP first */
reg = readl(MPMU_APRR) | MPMU_APRR_CPR;
writel(reg, MPMU_APRR);
udelay(10);
/*CP reset MSA */
reg = readl(MPMU_CPRR) | MPMU_CPRR_DSPR | MPMU_CPRR_BBR;
writel(reg, MPMU_CPRR);
udelay(10);
}
/*If reboot by recovery, store info for uboot*/
if (cpu_is_pxa910() || cpu_is_pxa988() || cpu_is_pxa986() ||
cpu_is_pxa1088()) {
if (cmd && !strcmp(cmd, "recovery")) {
for (i = 0, backup = 0; i < 4; i++) {
backup <<= 8;
backup |= *(cmd + i);
}
do {
writel(backup, REG_RTC_BR0);
} while (readl(REG_RTC_BR0) != backup);
}
}
/* reset/enable WDT clock */
writel(0x7, MPMU_WDTPCR);
readl(MPMU_WDTPCR);
writel(0x3, MPMU_WDTPCR);
readl(MPMU_WDTPCR);
/* enable WDT reset */
writel(0xbaba, watchdog_virt_base + TMR_WFAR);
writel(0xeb10, watchdog_virt_base + TMR_WSAR);
writel(0x3, watchdog_virt_base + TMR_WMER);
/* negate hardware reset to the WDT after system reset */
reg = readl(MPMU_APRR) | MPMU_APRR_WDTR;
writel(reg, MPMU_APRR);
/* clear previous WDT status */
writel(0xbaba, watchdog_virt_base + TMR_WFAR);
writel(0xeb10, watchdog_virt_base + TMR_WSAR);
writel(0, watchdog_virt_base + TMR_WSR);
match = readl(watchdog_virt_base + TMR_WMR);
count = readl(watchdog_virt_base + TMR_WVR);
/* set match counter */
writel(0xbaba, watchdog_virt_base + TMR_WFAR);
writel(0xeb10, watchdog_virt_base + TMR_WSAR);
writel((0x20 + count) & 0xFFFF, watchdog_virt_base + TMR_WMR);
}
static int usb_phy_init_internal(void __iomem *base)
{
int loops;
pr_info("Init usb phy!!!\n");
/* Initialize the USB PHY power */
if (cpu_is_pxa910()) {
u2o_set(base, UTMI_CTRL, (1<<UTMI_CTRL_INPKT_DELAY_SOF_SHIFT)
| (1<<UTMI_CTRL_PU_REF_SHIFT));
}
u2o_set(base, UTMI_CTRL, 1<<UTMI_CTRL_PLL_PWR_UP_SHIFT);
u2o_set(base, UTMI_CTRL, 1<<UTMI_CTRL_PWR_UP_SHIFT);
/* UTMI_PLL settings */
u2o_clear(base, UTMI_PLL, UTMI_PLL_PLLVDD18_MASK
| UTMI_PLL_PLLVDD12_MASK | UTMI_PLL_PLLCALI12_MASK
| UTMI_PLL_FBDIV_MASK | UTMI_PLL_REFDIV_MASK
| UTMI_PLL_ICP_MASK | UTMI_PLL_KVCO_MASK);
u2o_set(base, UTMI_PLL, 0xee<<UTMI_PLL_FBDIV_SHIFT
| 0xb<<UTMI_PLL_REFDIV_SHIFT | 3<<UTMI_PLL_PLLVDD18_SHIFT
| 3<<UTMI_PLL_PLLVDD12_SHIFT | 3<<UTMI_PLL_PLLCALI12_SHIFT
| 1<<UTMI_PLL_ICP_SHIFT | 3<<UTMI_PLL_KVCO_SHIFT);
/* UTMI_TX */
u2o_clear(base, UTMI_TX, UTMI_TX_REG_EXT_FS_RCAL_EN_MASK
| UTMI_TX_TXVDD12_MASK | UTMI_TX_CK60_PHSEL_MASK
| UTMI_TX_IMPCAL_VTH_MASK | UTMI_TX_REG_EXT_FS_RCAL_MASK
| UTMI_TX_AMP_MASK);
u2o_set(base, UTMI_TX, 3<<UTMI_TX_TXVDD12_SHIFT
| 4<<UTMI_TX_CK60_PHSEL_SHIFT | 4<<UTMI_TX_IMPCAL_VTH_SHIFT
| 8<<UTMI_TX_REG_EXT_FS_RCAL_SHIFT | 3<<UTMI_TX_AMP_SHIFT);
/* UTMI_RX */
u2o_clear(base, UTMI_RX, UTMI_RX_SQ_THRESH_MASK
| UTMI_REG_SQ_LENGTH_MASK);
u2o_set(base, UTMI_RX, 7<<UTMI_RX_SQ_THRESH_SHIFT
| 2<<UTMI_REG_SQ_LENGTH_SHIFT);
/* UTMI_IVREF */
if (cpu_is_pxa168())
/* fixing Microsoft Altair board interface with NEC hub issue -
* Set UTMI_IVREF from 0x4a3 to 0x4bf */
u2o_write(base, UTMI_IVREF, 0x4bf);
/* toggle VCOCAL_START bit of UTMI_PLL */
udelay(200);
u2o_set(base, UTMI_PLL, VCOCAL_START);
udelay(40);
u2o_clear(base, UTMI_PLL, VCOCAL_START);
/* toggle REG_RCAL_START bit of UTMI_TX */
udelay(400);
u2o_set(base, UTMI_TX, REG_RCAL_START);
udelay(40);
u2o_clear(base, UTMI_TX, REG_RCAL_START);
udelay(400);
/* Make sure PHY PLL is ready */
loops = 0;
while ((u2o_get(base, UTMI_PLL) & PLL_READY) == 0) {
mdelay(1);
loops++;
if (loops > 100) {
printk(KERN_WARNING "calibrate timeout, UTMI_PLL %x\n",
u2o_get(base, UTMI_PLL));
break;
}
}
if (cpu_is_pxa168()) {
u2o_set(base, UTMI_RESERVE, 1 << 5);
/* Turn on UTMI PHY OTG extension */
u2o_write(base, UTMI_OTG_ADDON, 1);
}
return 0;
}
/********************************************************************
* USB 2.0 OTG controller
*/
int pxa168_usb_phy_init(unsigned base)
{
static int init_done;
int count;
if (init_done) {
printk(KERN_DEBUG "re-init phy\n\n");
/* return; */
}
/* enable the pull up */
if (cpu_is_pxa910_z0()) {
if (cpu_is_pxa910()) {
u32 U2H_UTMI_CTRL =
(u32)ioremap_nocache(0xc0000004, 4);
writel(1<<20, U2H_UTMI_CTRL);
}
}
/* Initialize the USB PHY power */
if (cpu_is_pxa910()) {
u2o_set(base, UTMI_CTRL, (1<<UTMI_CTRL_INPKT_DELAY_SOF_SHIFT)
| (1<<UTMI_CTRL_PU_REF_SHIFT));
}
u2o_set(base, UTMI_CTRL, 1<<UTMI_CTRL_PLL_PWR_UP_SHIFT);
u2o_set(base, UTMI_CTRL, 1<<UTMI_CTRL_PWR_UP_SHIFT);
/* UTMI_PLL settings */
u2o_clear(base, UTMI_PLL, UTMI_PLL_PLLVDD18_MASK
| UTMI_PLL_PLLVDD12_MASK | UTMI_PLL_PLLCALI12_MASK
| UTMI_PLL_FBDIV_MASK | UTMI_PLL_REFDIV_MASK
| UTMI_PLL_ICP_MASK | UTMI_PLL_KVCO_MASK);
u2o_set(base, UTMI_PLL, 0xee<<UTMI_PLL_FBDIV_SHIFT
| 0xb<<UTMI_PLL_REFDIV_SHIFT | 3<<UTMI_PLL_PLLVDD18_SHIFT
| 3<<UTMI_PLL_PLLVDD12_SHIFT | 3<<UTMI_PLL_PLLCALI12_SHIFT
| 2<<UTMI_PLL_ICP_SHIFT | 3<<UTMI_PLL_KVCO_SHIFT);
/* UTMI_TX */
u2o_clear(base, UTMI_TX, UTMI_TX_TXVDD12_MASK
| UTMI_TX_CK60_PHSEL_MASK | UTMI_TX_IMPCAL_VTH_MASK);
u2o_set(base, UTMI_TX, 3<<UTMI_TX_TXVDD12_SHIFT
| 4<<UTMI_TX_CK60_PHSEL_SHIFT | 5<<UTMI_TX_IMPCAL_VTH_SHIFT);
/* UTMI_RX */
u2o_clear(base, UTMI_RX, UTMI_RX_SQ_THRESH_MASK
| UTMI_REG_SQ_LENGTH_MASK);
if (cpu_is_pxa168())
u2o_set(base, UTMI_RX, 7<<UTMI_RX_SQ_THRESH_SHIFT
| 2<<UTMI_REG_SQ_LENGTH_SHIFT);
else
u2o_set(base, UTMI_RX, 0xa<<UTMI_RX_SQ_THRESH_SHIFT
| 2<<UTMI_REG_SQ_LENGTH_SHIFT);
/* UTMI_IVREF */
if (cpu_is_pxa168())
/* fixing Microsoft Altair board interface with NEC hub issue -
* Set UTMI_IVREF from 0x4a3 to 0x4bf */
u2o_write(base, UTMI_IVREF, 0x4bf);
/* calibrate */
count = 10000;
while(((u2o_get(base, UTMI_PLL) & PLL_READY)==0) && count--);
if (count <= 0) printk("%s %d: calibrate timeout, UTMI_PLL %x\n",
__func__, __LINE__, u2o_get(base, UTMI_PLL));
/* toggle VCOCAL_START bit of UTMI_PLL */
udelay(200);
u2o_set(base, UTMI_PLL, VCOCAL_START);
udelay(40);
u2o_clear(base, UTMI_PLL, VCOCAL_START);
/* toggle REG_RCAL_START bit of UTMI_TX */
udelay(200);
u2o_set(base, UTMI_TX, REG_RCAL_START);
udelay(40);
u2o_clear(base, UTMI_TX, REG_RCAL_START);
udelay(200);
/* make sure phy is ready */
count = 1000;
while(((u2o_get(base, UTMI_PLL) & PLL_READY)==0) && count--);
if (count <= 0) printk("%s %d: calibrate timeout, UTMI_PLL %x\n",
__func__, __LINE__, u2o_get(base, UTMI_PLL));
if (cpu_is_pxa168()) {
u2o_set(base, UTMI_RESERVE, 1<<5);
u2o_write(base, UTMI_OTG_ADDON, 1); /* Turn on UTMI PHY OTG extension */
}
init_done = 1;
return 0;
}
