bool hal_timer_pit_active_get(pitid_t pit_id) {
// if bit two in the status register of the timer is 1, the timer is running
switch (pit_id) {
case IGNITION_DWELL_PIT:
return (IORD32(A_TIMER_1, NIOS2_TIMER_STATUS) & 0x2) == 0x2;
case IGNITION_FIRE_PIT:
return (IORD32(A_TIMER_2, NIOS2_TIMER_STATUS) & 0x2) == 0x2;
default:
log_printf(
"ERROR: invalid pit ID (%d) for hal_timer_pit_active_get\r\n",
pit_id);
break;
}
return false;
}
void hal_timer_oc_output_set(channelid_t channel_id, ocmode_t mode) {
uint32_t modeFlags = IORD32(A_SCCT, SCCT_CH_AS);
switch (channel_id) {
case INJECTION1_OUTPUT:
hal_internal_calculate_mode_flags(2, mode, modeFlags)
;
break;
case INJECTION2_OUTPUT:
hal_internal_calculate_mode_flags(3, mode, modeFlags)
;
break;
case INJECTION3_OUTPUT:
hal_internal_calculate_mode_flags(4, mode, modeFlags)
;
break;
case INJECTION4_OUTPUT:
hal_internal_calculate_mode_flags(5, mode, modeFlags)
;
break;
case INJECTION5_OUTPUT:
hal_internal_calculate_mode_flags(6, mode, modeFlags)
;
break;
case INJECTION6_OUTPUT:
hal_internal_calculate_mode_flags(7, mode, modeFlags)
;
break;
default:
log_printf(
"ERROR: invalid channel ID (%d) for hal_timer_oc_active_set\r\n",
channel_id);
break;
}
IOWR32(A_SCCT, SCCT_CH_AS, modeFlags);
}
uint16_t hal_timer_pit_current_get(pitid_t pit_id) {
/**
* The NIOS2 PITs do not have a prescaler. The EMS code assumes all timers to
* runn at 1.25MHz, so all scaling has to be done in software.
*/
switch (pit_id) {
case IGNITION_DWELL_PIT:
return (IORD32(A_TIMER_1, NIOS2_TIMER_SNAPL) / TIMER_0_PERIOD);
case IGNITION_FIRE_PIT:
return (IORD32(A_TIMER_2, NIOS2_TIMER_SNAPL) / TIMER_0_PERIOD);
default:
log_printf(
"ERROR: invalid pit ID (%d) for hal_timer_pit_current_get\r\n",
pit_id);
break;
}
return -1;
}
void hal_timer_pit_active_set(pitid_t pit_id, bool active) {
// set bit two of the control register of the timer to start it, or
// set bit three to stop it
uint32_t bitToSet = active ? 0x4 : 0x8;
switch (pit_id) {
case IGNITION_DWELL_PIT:
IOWR32(A_TIMER_1, NIOS2_TIMER_CONTROL,
((IORD32(A_TIMER_1, NIOS2_TIMER_CONTROL) & 0x3) | bitToSet));
break;
case IGNITION_FIRE_PIT:
IOWR32(A_TIMER_2, NIOS2_TIMER_CONTROL,
((IORD32(A_TIMER_2, NIOS2_TIMER_CONTROL) & 0x3) | bitToSet));
break;
default:
log_printf(
"ERROR: invalid pit ID (%d) for hal_timer_pit_active_set\r\n",
pit_id);
break;
}
}
bool hal_timer_oc_active_get(channelid_t channel_id) {
switch (channel_id) {
case INJECTION1_OUTPUT:
return IORD32(A_SCCT, SCCT_CH_IE) & SCCT_CH_BITS_1(2, 1);
break;
case INJECTION2_OUTPUT:
return IORD32(A_SCCT, SCCT_CH_IE) & SCCT_CH_BITS_1(3, 1);
break;
case INJECTION3_OUTPUT:
return IORD32(A_SCCT, SCCT_CH_IE) & SCCT_CH_BITS_1(4, 1);
break;
case INJECTION4_OUTPUT:
return IORD32(A_SCCT, SCCT_CH_IE) & SCCT_CH_BITS_1(5, 1);
break;
case INJECTION5_OUTPUT:
return IORD32(A_SCCT, SCCT_CH_IE) & SCCT_CH_BITS_1(6, 1);
break;
case INJECTION6_OUTPUT:
return IORD32(A_SCCT, SCCT_CH_IE) & SCCT_CH_BITS_1(7, 1);
break;
default:
log_printf(
"ERROR: invalid channel ID (%d) for hal_timer_oc_active_get\r\n",
channel_id);
break;
}
return false;
}
void hal_timer_oc_active_set(channelid_t channel_id, bool active) {
int32_t interruptEnableFlags = IORD32(A_SCCT, SCCT_CH_IE);
int32_t newFlags = 0;
switch (channel_id) {
case INJECTION1_OUTPUT:
newFlags =
active ?
interruptEnableFlags | SCCT_CH_BITS_1(2, 1) :
interruptEnableFlags & ~SCCT_CH_BITS_1(2, 1);
break;
case INJECTION2_OUTPUT:
newFlags =
active ?
interruptEnableFlags | SCCT_CH_BITS_1(3, 1) :
interruptEnableFlags & ~SCCT_CH_BITS_1(3, 1);
break;
case INJECTION3_OUTPUT:
newFlags =
active ?
interruptEnableFlags | SCCT_CH_BITS_1(4, 1) :
interruptEnableFlags & ~SCCT_CH_BITS_1(4, 1);
break;
case INJECTION4_OUTPUT:
newFlags =
active ?
interruptEnableFlags | SCCT_CH_BITS_1(5, 1) :
interruptEnableFlags & ~SCCT_CH_BITS_1(5, 1);
break;
case INJECTION5_OUTPUT:
newFlags =
active ?
interruptEnableFlags | SCCT_CH_BITS_1(6, 1) :
interruptEnableFlags & ~SCCT_CH_BITS_1(6, 1);
break;
case INJECTION6_OUTPUT:
newFlags =
active ?
interruptEnableFlags | SCCT_CH_BITS_1(7, 1) :
interruptEnableFlags & ~SCCT_CH_BITS_1(7, 1);
break;
default:
log_printf(
"ERROR: invalid channel ID (%d) for hal_timer_oc_active_set\r\n",
channel_id);
break;
}
IOWR32(A_SCCT, SCCT_CH_IE, newFlags);
}
int32_t uart_puts(char *p) {
uint32_t ctr = 0;
if (p == NULL) {
return -1;
}
do {
// need to wait until UART gets ready to transmit
if (IORD32(A_UART, UART_ST) & UART_ST_TRDY) {
IOWR8(A_UART, UART_TX, *p);
++p;
++ctr;
}
} while (*p);
return ctr;
}
/*
* inits all omap h/w
*/
uint32_t cy_as_hal_processor_hw_init(cy_as_omap_dev_kernel *dev_p)
{
int i, err;
cy_as_hal_print_message(KERN_INFO "init OMAP3430 hw...\n");
iomux_vma = (u32)ioremap_nocache(
(u32)CTLPADCONF_BASE_ADDR, CTLPADCONF_SIZE);
cy_as_hal_print_message(KERN_INFO "PADCONF_VMA=%x val=%x\n",
iomux_vma, IORD32(iomux_vma));
/*
* remap gpio banks
*/
for (i = 0; i < 6; i++) {
gpio_vma_tab[i].virt_addr = (u32)ioremap_nocache(
gpio_vma_tab[i].phy_addr,
gpio_vma_tab[i].size);
cy_as_hal_print_message(KERN_INFO "%s virt_addr=%x\n",
gpio_vma_tab[i].name,
(u32)gpio_vma_tab[i].virt_addr);
};
/*
* force OMAP_GPIO_126 to rleased state,
* will be configured to drive reset
*/
gpio_free(AST_RESET);
/*
*same thing with AStoria CS pin
*/
gpio_free(AST_CS);
/*
* initialize all the OMAP pads connected to astoria
*/
cy_as_hal_init_user_pads(user_pad_cfg);
err = cy_as_hal_gpmc_init(dev_p);
cy_as_hal_config_c_s_mux();
return err;
}
pinstate_t hal_timer_oc_pin_get(channelid_t channel_id) {
switch (channel_id) {
case INJECTION1_OUTPUT:
if (IORD32(A_SCCT, SCCT_CH_OUT) & SCCT_CH_BITS_1(2, 1)) {
return HIGH;
}
else {
return LOW;
}
case INJECTION2_OUTPUT:
if (IORD32(A_SCCT, SCCT_CH_OUT) & SCCT_CH_BITS_1(3, 1)) {
return HIGH;
}
else {
return LOW;
}
case INJECTION3_OUTPUT:
if (IORD32(A_SCCT, SCCT_CH_OUT) & SCCT_CH_BITS_1(4, 1)) {
return HIGH;
}
else {
return LOW;
}
case INJECTION4_OUTPUT:
if (IORD32(A_SCCT, SCCT_CH_OUT) & SCCT_CH_BITS_1(5, 1)) {
return HIGH;
}
else {
return LOW;
}
case INJECTION5_OUTPUT:
if (IORD32(A_SCCT, SCCT_CH_OUT) & SCCT_CH_BITS_1(6, 1)) {
return HIGH;
}
else {
return LOW;
}
case INJECTION6_OUTPUT:
if (IORD32(A_SCCT, SCCT_CH_OUT) & SCCT_CH_BITS_1(7, 1)) {
return HIGH;
}
else {
return LOW;
}
default:
log_printf(
"ERROR: invalid channel ID (%d) for hal_timer_oc_pin_get\r\n",
channel_id);
break;
}
return LOW;
}
/**
* @author Andreas Meixner
* @brief The one ISR NIOS calls
* Whenever an interrupt is pending, NIOS2 will call this ISR.
* This function will check which interrupts are pending and will call the
* appropriate handler functions of FreeEMS.
*/
void do_irq() {
uint32_t pending = __rdctl_ipending();
// if the flag for a pending timer event ist set
if(pending & 0x40) {
// see if timer 0 (RTC) is the interrupt source
uint32_t timerFlag = IORD16(A_TIMER_0, NIOS2_TIMER_STATUS);
//log_printf("t0F: %X\r\n", timerFlag);
if((timerFlag & NIOS2_TIMER_STATUS_TO)) {
// FreeEMS internaly keeps track of time. For this purpose it assumes the
// hardware has a 16bit clock running at 1.25MHz, which generates a tick
// interrupt on every tick, and an overflow interrupt everytime the 16bit
// counter overflows (every 65536 ticks) NIOS2 has a 32 bit counter, so
// the overflow has to be simulated, by generating the interrupt in the
// software. check if the high word of the counter value has changed since
// the last tick, if so call TimerOverfolw()
uint16_t currentTickHighWord = IORD16(A_TIMER_0, NIOS2_TIMER_SNAPH);
if(currentTickHighWord != lastTickHighWord) {
lastTickHighWord = currentTickHighWord;
TimerOverflow();
}
// advance the internal RTC
RTIISR();
// clear the flag
IOWR16(A_TIMER_0, NIOS2_TIMER_STATUS, timerFlag & ~NIOS2_TIMER_STATUS_TO);
}
// see if Timer_1 (ignition dwell) is the interrupt source
timerFlag = IORD16(A_TIMER_1, NIOS2_TIMER_STATUS);
if((timerFlag & NIOS2_TIMER_STATUS_TO)) {
IgnitionDwellISR();
// clear the flag
IOWR16(A_TIMER_1, NIOS2_TIMER_STATUS, timerFlag & ~(NIOS2_TIMER_STATUS_TO));
}
// see if Timer_2 (ignition fire) is the interrupt source
timerFlag = IORD16(A_TIMER_2, NIOS2_TIMER_STATUS);
if((timerFlag & NIOS2_TIMER_STATUS_TO)) {
IgnitionFireISR();
IOWR16(A_TIMER_2, NIOS2_TIMER_STATUS, timerFlag & ~(NIOS2_TIMER_STATUS_TO));
}
}
// if the flag for a pending SCCT timer event is set
if(pending & 0x400) {
// external interrupt (SCCT)
// see if the oc channel 0 (scct) was the interrupt source
uint32_t isFlags = IORD32(A_SCCT, SCCT_CH_IS);
// if IC channel 0 has a pending interrupt, call PrimaryRPMISR
if(isFlags & SCCT_CH_BITS_1(0,1)) {
// clear interrupt flags
IOWR32(A_SCCT, SCCT_CH_IS, SCCT_CH_BITS_1(0,1));
PrimaryRPMISR();
}
// if IC channel 1 has a pending interrupt, call SecondaryRPMISR
if(isFlags & SCCT_CH_BITS_1(1,1)) {
// clear interrupt flags
IOWR32(A_SCCT, SCCT_CH_IS, SCCT_CH_BITS_1(1,1));
SecondaryRPMISR();
}
// if OC channel 2 has a pending interrupt, call Injector1ISR
if(isFlags & SCCT_CH_BITS_1(2,1)) {
// clear interrupt flags
IOWR32(A_SCCT, SCCT_CH_IS, SCCT_CH_BITS_1(2,1));
Injector1ISR();
}
// if OC channel 3 has a pending interrupt, call Injector2ISR
if(isFlags & SCCT_CH_BITS_1(3,1)) {
// clear interrupt flags
IOWR32(A_SCCT, SCCT_CH_IS, SCCT_CH_BITS_1(3,1));
Injector2ISR();
}
// if OC channel 4 has a pending interrupt, call Injector3ISR
if(isFlags & SCCT_CH_BITS_1(4,1)) {
// clear interrupt flags
IOWR32(A_SCCT, SCCT_CH_IS, SCCT_CH_BITS_1(4,1));
Injector3ISR();
}
// if OC channel 5 has a pending interrupt, call Injector4ISR
if(isFlags & SCCT_CH_BITS_1(5,1)) {
// clear interrupt flags
IOWR32(A_SCCT, SCCT_CH_IS, SCCT_CH_BITS_1(5,1));
Injector4ISR();
}
// if OC channel 6 has a pending interrupt, call Injector5ISR
if(isFlags & SCCT_CH_BITS_1(6,1)) {
// clear interrupt flags
IOWR32(A_SCCT, SCCT_CH_IS, SCCT_CH_BITS_1(6,1));
Injector5ISR();
}
// if OC channel 7 has a pending interrupt, call Injector6ISR
if(isFlags & SCCT_CH_BITS_1(7,1)) {
// clear interrupt flags
IOWR32(A_SCCT, SCCT_CH_IS, SCCT_CH_BITS_1(7,1));
Injector6ISR();
}
}
}
uint32_t timer_getsnap(void) {
IOWR16(A_TIMER, NIOS2_TIMER_SNAPL, 1);
return IORD32(A_TIMER, NIOS2_TIMER_SNAPL);
}
int32_t uart_read_byte(void){
char b = -1;
while ( !(IORD32(A_UART, UART_ST) & UART_ST_RRDY) );
b = IORD8(A_UART, UART_RX);
return (int32_t)b;
}
void uart_write_byte(char b){
while ( !(IORD32(A_UART, UART_ST) & UART_ST_TRDY) );
IOWR8(A_UART, UART_TX, b);
}
int32_t uart_putchar(int32_t c) {
char vc = (char) (c & 0xff);
while ( !(IORD32(A_UART, UART_ST) & UART_ST_TRDY) );
IOWR8(A_UART, UART_TX, vc);
return (int32_t) vc;
}
pinstate_t hal_io_get(channelid_t channel_id) {
pinstate_t retVal = LOW;
switch (channel_id) {
case IGNITION1_OUTPUT:
retVal = (IORD32(A_PIO_IGN, 0) & 0x1) ? HIGH : LOW;
break;
case IGNITION2_OUTPUT:
retVal = (IORD32(A_PIO_IGN, 0) & 0x2) ? HIGH : LOW;
break;
case IGNITION3_OUTPUT:
retVal = (IORD32(A_PIO_IGN, 0) & 0x4) ? HIGH : LOW;
break;
case IGNITION4_OUTPUT:
retVal = (IORD32(A_PIO_IGN, 0) & 0x8) ? HIGH : LOW;
break;
case IGNITION5_OUTPUT:
retVal = (IORD32(A_PIO_IGN, 0) & 0x10) ? HIGH : LOW;
break;
case IGNITION6_OUTPUT:
retVal = (IORD32(A_PIO_IGN, 0) & 0x20) ? HIGH : LOW;
break;
case IGNITION7_OUTPUT:
retVal = (IORD32(A_PIO_IGN, 0) & 0x40) ? HIGH : LOW;
break;
case IGNITION8_OUTPUT:
retVal = (IORD32(A_PIO_IGN, 0) & 0x80) ? HIGH : LOW;
break;
case DEBUG_OUTPUT_1:
retVal = (IORD32(A_PIO_IGN, 0) & 0x100) ? HIGH : LOW;
break;
case DEBUG_OUTPUT_2:
retVal = (IORD32(A_PIO_IGN, 0) & 0x200) ? HIGH : LOW;
break;
case DEBUG_OUTPUT_3:
retVal = (IORD32(A_PIO_IGN, 0) & 0x400) ? HIGH : LOW;
break;
case DEBUG_OUTPUT_4:
retVal = (IORD32(A_PIO_IGN, 0) & 0x800) ? HIGH : LOW;
break;
case DEBUG_OUTPUT_5:
retVal = (IORD32(A_PIO_IGN, 0) & 0x1000) ? HIGH : LOW;
break;
case DEBUG_OUTPUT_6:
retVal = (IORD32(A_PIO_IGN, 0) & 0x2000) ? HIGH : LOW;
break;
case DEBUG_OUTPUT_7:
retVal = (IORD32(A_PIO_IGN, 0) & 0x4000) ? HIGH : LOW;
break;
case DEBUG_OUTPUT_8:
retVal = (IORD32(A_PIO_IGN, 0) & 0x8000) ? HIGH : LOW;
break;
default:
log_printf("ERROR: invalid channel ID (%d) for hal_io_get\r\n",
channel_id);
break;
}
return false;
}
void hal_io_set(channelid_t channel_id, pinstate_t value) {
uint32_t registerValue = IORD32(A_PIO_IGN, 0);
switch (channel_id) {
case IGNITION1_OUTPUT:
if (value == HIGH) {
registerValue = registerValue | 0x1;
}
else {
registerValue = registerValue & (~0x1);
}
break;
case IGNITION2_OUTPUT:
if (value == HIGH) {
registerValue = registerValue | 0x2;
}
else {
registerValue = registerValue & (~0x2);
}
break;
case IGNITION3_OUTPUT:
if (value == HIGH) {
registerValue = registerValue | 0x4;
}
else {
registerValue = registerValue & (~0x4);
}
break;
case IGNITION4_OUTPUT:
if (value == HIGH) {
registerValue = registerValue | 0x8;
}
else {
registerValue = registerValue & (~0x8);
}
break;
case IGNITION5_OUTPUT:
if (value == HIGH) {
registerValue = registerValue | 0x10;
}
else {
registerValue = registerValue & (~0x10);
}
break;
case IGNITION6_OUTPUT:
if (value == HIGH) {
registerValue = registerValue | 0x20;
}
else {
registerValue = registerValue & (~0x20);
}
break;
case IGNITION7_OUTPUT:
if (value == HIGH) {
registerValue = registerValue | 0x40;
}
else {
registerValue = registerValue & (~0x40);
}
break;
case IGNITION8_OUTPUT:
if (value == HIGH) {
registerValue = registerValue | 0x80;
}
else {
registerValue = registerValue & (~0x80);
}
break;
case DEBUG_OUTPUT_1:
if (value == HIGH) {
registerValue = registerValue | 0x100;
}
else {
registerValue = registerValue & (~0x100);
}
break;
case DEBUG_OUTPUT_2:
if (value == HIGH) {
registerValue = registerValue | 0x200;
}
else {
registerValue = registerValue & (~0x200);
}
break;
case DEBUG_OUTPUT_3:
if (value == HIGH) {
registerValue = registerValue | 0x400;
}
else {
registerValue = registerValue & (~0x400);
}
break;
case DEBUG_OUTPUT_4:
if (value == HIGH) {
registerValue = registerValue | 0x800;
}
else {
registerValue = registerValue & (~0x800);
}
break;
case DEBUG_OUTPUT_5:
if (value == HIGH) {
registerValue = registerValue | 0x1000;
}
else {
registerValue = registerValue & (~0x1000);
}
break;
case DEBUG_OUTPUT_6:
if (value == HIGH) {
registerValue = registerValue | 0x2000;
}
else {
registerValue = registerValue & (~0x2000);
}
break;
case DEBUG_OUTPUT_7:
if (value == HIGH) {
registerValue = registerValue | 0x4000;
}
else {
registerValue = registerValue & (~0x4000);
}
break;
case DEBUG_OUTPUT_8:
if (value == HIGH) {
registerValue = registerValue | 0x8000;
}
else {
registerValue = registerValue & (~0x8000);
}
break;
default:
log_printf("ERROR: invalid channel ID (%d) for hal_io_set\r\n",
channel_id);
break;
}
}
uint32_t cy_as_hal_gpmc_init(cy_as_omap_dev_kernel *dev_p)
{
u32 tmp32;
int err;
struct gpmc_timings timings;
unsigned int cs_mem_base;
unsigned int cs_vma_base;
/*
* get GPMC i/o registers base(already been i/o mapped
* in kernel, no need for separate i/o remap)
*/
cy_as_hal_print_message(KERN_INFO "%s: mapping phys_to_virt\n", __func__);
gpmc_base = (u32)ioremap_nocache(OMAP34XX_GPMC_BASE, SZ_16K);
cy_as_hal_print_message(KERN_INFO "kernel has gpmc_base=%x , val@ the base=%x",
gpmc_base, __raw_readl(gpmc_base)
);
cy_as_hal_print_message(KERN_INFO "%s: calling gpmc_cs_request\n", __func__);
/*
* request GPMC CS for ASTORIA request
*/
if (gpmc_cs_request(AST_GPMC_CS, SZ_16M, (void *)&cs_mem_base) < 0) {
cy_as_hal_print_message(KERN_ERR "error failed to request"
"ncs4 for ASTORIA\n");
return -1;
} else {
cy_as_hal_print_message(KERN_INFO "got phy_addr:%x for "
"GPMC CS%d GPMC_CFGREG7[CS4]\n",
cs_mem_base, AST_GPMC_CS);
}
cy_as_hal_print_message(KERN_INFO "%s: calling request_mem_region\n", __func__);
/*
* request VM region for 4K addr space for chip select 4 phy address
* technically we don't need it for NAND devices, but do it anyway
* so that data read/write bus cycle can be triggered by reading
* or writing this mem region
*/
if (!request_mem_region(cs_mem_base, SZ_16K, "AST_OMAP_HAL")) {
err = -EBUSY;
cy_as_hal_print_message(KERN_ERR "error MEM region "
"request for phy_addr:%x failed\n",
cs_mem_base);
goto out_free_cs;
}
cy_as_hal_print_message(KERN_INFO "%s: calling ioremap_nocache\n", __func__);
/* REMAP mem region associated with our CS */
cs_vma_base = (u32)ioremap_nocache(cs_mem_base, SZ_16K);
if (!cs_vma_base) {
err = -ENOMEM;
cy_as_hal_print_message(KERN_ERR "error- ioremap()"
"for phy_addr:%x failed", cs_mem_base);
goto out_release_mem_region;
}
cy_as_hal_print_message(KERN_INFO "ioremap(%x) returned vma=%x\n",
cs_mem_base, cs_vma_base);
dev_p->m_phy_addr_base = (void *) cs_mem_base;
dev_p->m_vma_addr_base = (void *) cs_vma_base;
memset(&timings, 0, sizeof(timings));
/* cs timing */
timings.cs_on = WB_GPMC_CS_t_on;
timings.cs_wr_off = WB_GPMC_BUSCYC_t;
timings.cs_rd_off = WB_GPMC_BUSCYC_t;
/* adv timing */
timings.adv_on = WB_GPMC_ADV_t_on;
timings.adv_rd_off = WB_GPMC_ADV_t_off;
timings.adv_wr_off = WB_GPMC_ADV_t_off;
/* oe timing */
timings.oe_on = WB_GPMC_OE_t_on;
timings.oe_off = WB_GPMC_OE_t_off;
timings.access = WB_GPMC_RD_t_a_c_c;
timings.rd_cycle = WB_GPMC_BUSCYC_t;
/* we timing */
timings.we_on = WB_GPMC_WE_t_on;
timings.we_off = WB_GPMC_WE_t_off;
timings.wr_access = WB_GPMC_WR_t_a_c_c;
timings.wr_cycle = WB_GPMC_BUSCYC_t;
timings.page_burst_access = WB_GPMC_BUSCYC_t;
timings.wr_data_mux_bus = WB_GPMC_BUSCYC_t;
gpmc_cs_set_timings(AST_GPMC_CS, &timings);
/*
* by default configure GPMC into 8 bit mode
* (to match astoria default mode)
*/
gpmc_cs_write_reg(AST_GPMC_CS, GPMC_CS_CONFIG1,
(GPMC_CONFIG1_DEVICETYPE(0) |
GPMC_CONFIG1_DEVICESIZE_16
| 0x10 //twhs
));
/*
* No method currently exists to write this register through GPMC APIs
* need to change WAIT2 polarity
*/
tmp32 = IORD32(GPMC_VMA(GPMC_CONFIG_REG));
tmp32 = tmp32 | NAND_FORCE_POSTED_WRITE_B | 0x40;
IOWR32(GPMC_VMA(GPMC_CONFIG_REG), tmp32);
tmp32 = IORD32(GPMC_VMA(GPMC_CONFIG_REG));
cy_as_hal_print_message("GPMC_CONFIG_REG=0x%x\n", tmp32);
cy_as_hal_print_omap_regs("GPMC_CONFIG", 1,
GPMC_VMA(GPMC_CFG_REG(1, AST_GPMC_CS)), 7);
return 0;
out_release_mem_region:
release_mem_region(cs_mem_base, SZ_16K);
out_free_cs:
gpmc_cs_free(AST_GPMC_CS);
return err;
}