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Diffstat (limited to 'arch/m68k/cpu/mcf547x_8x')
-rw-r--r--arch/m68k/cpu/mcf547x_8x/cpu.c38
-rw-r--r--arch/m68k/cpu/mcf547x_8x/cpu_init.c84
-rw-r--r--arch/m68k/cpu/mcf547x_8x/interrupts.c15
-rw-r--r--arch/m68k/cpu/mcf547x_8x/pci.c59
-rw-r--r--arch/m68k/cpu/mcf547x_8x/slicetimer.c38
5 files changed, 122 insertions, 112 deletions
diff --git a/arch/m68k/cpu/mcf547x_8x/cpu.c b/arch/m68k/cpu/mcf547x_8x/cpu.c
index 7590f2c..157a8e4 100644
--- a/arch/m68k/cpu/mcf547x_8x/cpu.c
+++ b/arch/m68k/cpu/mcf547x_8x/cpu.c
@@ -3,7 +3,7 @@
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
@@ -31,19 +31,20 @@
#include <netdev.h>
#include <asm/immap.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+ gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
- gptmr->pre = 10;
- gptmr->cnt = 1;
+ out_be16(&gptmr->pre, 10);
+ out_be16(&gptmr->cnt, 1);
/* enable watchdog, set timeout to 0 and wait */
- gptmr->mode = GPT_TMS_SGPIO;
- gptmr->ctrl = GPT_CTRL_WDEN | GPT_CTRL_CE;
+ out_8(&gptmr->mode, GPT_TMS_SGPIO);
+ out_8(&gptmr->ctrl, GPT_CTRL_WDEN | GPT_CTRL_CE);
/* we don't return! */
return 1;
@@ -51,12 +52,12 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
int checkcpu(void)
{
- volatile siu_t *siu = (siu_t *) MMAP_SIU;
+ siu_t *siu = (siu_t *) MMAP_SIU;
u16 id = 0;
puts("CPU: ");
- switch ((siu->jtagid & 0x000FF000) >> 12) {
+ switch ((in_be32(&siu->jtagid) & 0x000FF000) >> 12) {
case 0x0C:
id = 5485;
break;
@@ -111,18 +112,18 @@ int checkcpu(void)
/* Called by macro WATCHDOG_RESET */
void hw_watchdog_reset(void)
{
- volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+ gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
- gptmr->ocpw = 0xa5;
+ out_8(&gptmr->ocpw, 0xa5);
}
int watchdog_disable(void)
{
- volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+ gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
/* UserManual, once the wdog is disabled, wdog cannot be re-enabled */
- gptmr->mode = 0;
- gptmr->ctrl = 0;
+ out_8(&gptmr->mode, 0);
+ out_8(&gptmr->ctrl, 0);
puts("WATCHDOG:disabled\n");
@@ -131,14 +132,13 @@ int watchdog_disable(void)
int watchdog_init(void)
{
+ gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
- volatile gptmr_t *gptmr = (gptmr_t *) (MMAP_GPTMR);
+ out_be16(&gptmr->pre, CONFIG_WATCHDOG_TIMEOUT);
+ out_be16(&gptmr->cnt, CONFIG_SYS_TIMER_PRESCALER * 1000);
- gptmr->pre = CONFIG_WATCHDOG_TIMEOUT;
- gptmr->cnt = CONFIG_SYS_TIMER_PRESCALER * 1000;
-
- gptmr->mode = GPT_TMS_SGPIO;
- gptmr->ctrl = GPT_CTRL_CE | GPT_CTRL_WDEN;
+ out_8(&gptmr->mode, GPT_TMS_SGPIO);
+ out_8(&gptmr->ctrl, GPT_CTRL_CE | GPT_CTRL_WDEN);
puts("WATCHDOG:enabled\n");
return (0);
diff --git a/arch/m68k/cpu/mcf547x_8x/cpu_init.c b/arch/m68k/cpu/mcf547x_8x/cpu_init.c
index 60c9126..4eb8a7c 100644
--- a/arch/m68k/cpu/mcf547x_8x/cpu_init.c
+++ b/arch/m68k/cpu/mcf547x_8x/cpu_init.c
@@ -3,7 +3,7 @@
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
- * (C) Copyright 2007 Freescale Semiconductor, Inc.
+ * (C) Copyright 2007, 2012 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
@@ -28,6 +28,7 @@
#include <common.h>
#include <MCD_dma.h>
#include <asm/immap.h>
+#include <asm/io.h>
#if defined(CONFIG_CMD_NET)
#include <config.h>
@@ -44,58 +45,59 @@
*/
void cpu_init_f(void)
{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
- volatile xlbarb_t *xlbarb = (volatile xlbarb_t *) MMAP_XARB;
+ gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
+ xlbarb_t *xlbarb = (xlbarb_t *) MMAP_XARB;
- xlbarb->adrto = 0x2000;
- xlbarb->datto = 0x2500;
- xlbarb->busto = 0x3000;
+ out_be32(&xlbarb->adrto, 0x2000);
+ out_be32(&xlbarb->datto, 0x2500);
+ out_be32(&xlbarb->busto, 0x3000);
- xlbarb->cfg = XARB_CFG_AT | XARB_CFG_DT;
+ out_be32(&xlbarb->cfg, XARB_CFG_AT | XARB_CFG_DT);
/* Master Priority Enable */
- xlbarb->prien = 0xff;
- xlbarb->pri = 0;
+ out_be32(&xlbarb->prien, 0xff);
+ out_be32(&xlbarb->pri, 0);
#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL))
- fbcs->csar0 = CONFIG_SYS_CS0_BASE;
- fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
- fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
+ out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE);
+ out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL);
+ out_be32(&fbcs->csmr0, CONFIG_SYS_CS0_MASK);
#endif
#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL))
- fbcs->csar1 = CONFIG_SYS_CS1_BASE;
- fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
- fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
+ out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE);
+ out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL);
+ out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK);
#endif
#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL))
- fbcs->csar2 = CONFIG_SYS_CS2_BASE;
- fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
- fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
+ out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE);
+ out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL);
+ out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK);
#endif
#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL))
- fbcs->csar3 = CONFIG_SYS_CS3_BASE;
- fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
- fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
+ out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE);
+ out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL);
+ out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK);
#endif
#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL))
- fbcs->csar4 = CONFIG_SYS_CS4_BASE;
- fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
- fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
+ out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE);
+ out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL);
+ out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK);
#endif
#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL))
- fbcs->csar5 = CONFIG_SYS_CS5_BASE;
- fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
- fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
+ out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE);
+ out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL);
+ out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK);
#endif
#ifdef CONFIG_FSL_I2C
- gpio->par_feci2cirq = GPIO_PAR_FECI2CIRQ_SCL | GPIO_PAR_FECI2CIRQ_SDA;
+ out_be16(&gpio->par_feci2cirq,
+ GPIO_PAR_FECI2CIRQ_SCL | GPIO_PAR_FECI2CIRQ_SDA);
#endif
icache_enable();
@@ -115,44 +117,44 @@ int cpu_init_r(void)
void uart_port_conf(int port)
{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- volatile u8 *pscsicr = (u8 *) (CONFIG_SYS_UART_BASE + 0x40);
+ gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ u8 *pscsicr = (u8 *) (CONFIG_SYS_UART_BASE + 0x40);
/* Setup Ports: */
switch (port) {
case 0:
- gpio->par_psc0 = (GPIO_PAR_PSC0_TXD0 | GPIO_PAR_PSC0_RXD0);
+ out_8(&gpio->par_psc0, GPIO_PAR_PSC0_TXD0 | GPIO_PAR_PSC0_RXD0);
break;
case 1:
- gpio->par_psc1 = (GPIO_PAR_PSC1_TXD1 | GPIO_PAR_PSC1_RXD1);
+ out_8(&gpio->par_psc1, GPIO_PAR_PSC1_TXD1 | GPIO_PAR_PSC1_RXD1);
break;
case 2:
- gpio->par_psc2 = (GPIO_PAR_PSC2_TXD2 | GPIO_PAR_PSC2_RXD2);
+ out_8(&gpio->par_psc2, GPIO_PAR_PSC2_TXD2 | GPIO_PAR_PSC2_RXD2);
break;
case 3:
- gpio->par_psc3 = (GPIO_PAR_PSC3_TXD3 | GPIO_PAR_PSC3_RXD3);
+ out_8(&gpio->par_psc3, GPIO_PAR_PSC3_TXD3 | GPIO_PAR_PSC3_RXD3);
break;
}
- *pscsicr &= 0xF8;
+ clrbits_8(pscsicr, 0x07);
}
#if defined(CONFIG_CMD_NET)
int fecpin_setclear(struct eth_device *dev, int setclear)
{
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ gpio_t *gpio = (gpio_t *) MMAP_GPIO;
struct fec_info_dma *info = (struct fec_info_dma *)dev->priv;
if (setclear) {
if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
- gpio->par_feci2cirq |= 0xF000;
+ setbits_be16(&gpio->par_feci2cirq, 0xf000);
else
- gpio->par_feci2cirq |= 0x0FC0;
+ setbits_be16(&gpio->par_feci2cirq, 0x0fc0);
} else {
if (info->iobase == CONFIG_SYS_FEC0_IOBASE)
- gpio->par_feci2cirq &= 0x0FFF;
+ clrbits_be16(&gpio->par_feci2cirq, 0xf000);
else
- gpio->par_feci2cirq &= 0xF03F;
+ clrbits_be16(&gpio->par_feci2cirq, 0x0fc0);
}
return 0;
}
diff --git a/arch/m68k/cpu/mcf547x_8x/interrupts.c b/arch/m68k/cpu/mcf547x_8x/interrupts.c
index 76be876..d215438 100644
--- a/arch/m68k/cpu/mcf547x_8x/interrupts.c
+++ b/arch/m68k/cpu/mcf547x_8x/interrupts.c
@@ -1,6 +1,6 @@
/*
*
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
@@ -25,14 +25,15 @@
/* CPU specific interrupt routine */
#include <common.h>
#include <asm/immap.h>
+#include <asm/io.h>
int interrupt_init(void)
{
- volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
+ int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
/* Make sure all interrupts are disabled */
- intp->imrh0 |= 0xFFFFFFFF;
- intp->imrl0 |= 0xFFFFFFFF;
+ setbits_be32(&intp->imrh0, 0xffffffff);
+ setbits_be32(&intp->imrl0, 0xffffffff);
enable_interrupts();
@@ -42,9 +43,9 @@ int interrupt_init(void)
#if defined(CONFIG_SLTTMR)
void dtimer_intr_setup(void)
{
- volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
+ int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
- intp->icr0[CONFIG_SYS_TMRINTR_NO] = CONFIG_SYS_TMRINTR_PRI;
- intp->imrh0 &= ~CONFIG_SYS_TMRINTR_MASK;
+ out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI);
+ clrbits_be32(&intp->imrh0, CONFIG_SYS_TMRINTR_MASK);
}
#endif
diff --git a/arch/m68k/cpu/mcf547x_8x/pci.c b/arch/m68k/cpu/mcf547x_8x/pci.c
index f867dc1..1a81e3f 100644
--- a/arch/m68k/cpu/mcf547x_8x/pci.c
+++ b/arch/m68k/cpu/mcf547x_8x/pci.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2004-2007 Freescale Semiconductor, Inc.
+ * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
@@ -88,53 +88,56 @@ int pci_read_cfg_dword(struct pci_controller *hose, pci_dev_t dev,
void pci_mcf547x_8x_init(struct pci_controller *hose)
{
- volatile pci_t *pci = (volatile pci_t *) MMAP_PCI;
- volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
+ pci_t *pci = (pci_t *) MMAP_PCI;
+ gpio_t *gpio = (gpio_t *) MMAP_GPIO;
/* Port configuration */
- gpio->par_pcibg =
- GPIO_PAR_PCIBG_PCIBG0(3) | GPIO_PAR_PCIBG_PCIBG1(3) |
- GPIO_PAR_PCIBG_PCIBG2(3) | GPIO_PAR_PCIBG_PCIBG3(3) |
- GPIO_PAR_PCIBG_PCIBG4(3);
- gpio->par_pcibr =
- GPIO_PAR_PCIBR_PCIBR0(3) | GPIO_PAR_PCIBR_PCIBR1(3) |
- GPIO_PAR_PCIBR_PCIBR2(3) | GPIO_PAR_PCIBR_PCIBR3(3) |
- GPIO_PAR_PCIBR_PCIBR4(3);
+ out_be16(&gpio->par_pcibg,
+ GPIO_PAR_PCIBG_PCIBG0(3) | GPIO_PAR_PCIBG_PCIBG1(3) |
+ GPIO_PAR_PCIBG_PCIBG2(3) | GPIO_PAR_PCIBG_PCIBG3(3) |
+ GPIO_PAR_PCIBG_PCIBG4(3));
+ out_be16(&gpio->par_pcibr,
+ GPIO_PAR_PCIBR_PCIBR0(3) | GPIO_PAR_PCIBR_PCIBR1(3) |
+ GPIO_PAR_PCIBR_PCIBR2(3) | GPIO_PAR_PCIBR_PCIBR3(3) |
+ GPIO_PAR_PCIBR_PCIBR4(3));
/* Assert reset bit */
- pci->gscr |= PCI_GSCR_PR;
+ setbits_be32(&pci->gscr, PCI_GSCR_PR);
- pci->tcr1 = PCI_TCR1_P;
+ out_be32(&pci->tcr1, PCI_TCR1_P);
/* Initiator windows */
- pci->iw0btar = CONFIG_SYS_PCI_MEM_PHYS | (CONFIG_SYS_PCI_MEM_PHYS >> 16);
- pci->iw1btar = CONFIG_SYS_PCI_IO_PHYS | (CONFIG_SYS_PCI_IO_PHYS >> 16);
- pci->iw2btar = CONFIG_SYS_PCI_CFG_PHYS | (CONFIG_SYS_PCI_CFG_PHYS >> 16);
+ out_be32(&pci->iw0btar,
+ CONFIG_SYS_PCI_MEM_PHYS | (CONFIG_SYS_PCI_MEM_PHYS >> 16));
+ out_be32(&pci->iw1btar,
+ CONFIG_SYS_PCI_IO_PHYS | (CONFIG_SYS_PCI_IO_PHYS >> 16));
+ out_be32(&pci->iw2btar,
+ CONFIG_SYS_PCI_CFG_PHYS | (CONFIG_SYS_PCI_CFG_PHYS >> 16));
- pci->iwcr =
- PCI_IWCR_W0C_EN | PCI_IWCR_W1C_EN | PCI_IWCR_W1C_IO |
- PCI_IWCR_W2C_EN | PCI_IWCR_W2C_IO;
+ out_be32(&pci->iwcr,
+ PCI_IWCR_W0C_EN | PCI_IWCR_W1C_EN | PCI_IWCR_W1C_IO |
+ PCI_IWCR_W2C_EN | PCI_IWCR_W2C_IO);
- pci->icr = 0;
+ out_be32(&pci->icr, 0);
/* Enable bus master and mem access */
- pci->scr = PCI_SCR_B | PCI_SCR_M;
+ out_be32(&pci->scr, PCI_SCR_B | PCI_SCR_M);
/* Cache line size and master latency */
- pci->cr1 = PCI_CR1_CLS(8) | PCI_CR1_LTMR(0xF8);
- pci->cr2 = 0;
+ out_be32(&pci->cr1, PCI_CR1_CLS(8) | PCI_CR1_LTMR(0xf8));
+ out_be32(&pci->cr2, 0);
#ifdef CONFIG_SYS_PCI_BAR0
- pci->bar0 = PCI_BAR_BAR0(CONFIG_SYS_PCI_BAR0);
- pci->tbatr0a = CONFIG_SYS_PCI_TBATR0 | PCI_TBATR_EN;
+ out_be32(&pci->bar0, PCI_BAR_BAR0(CONFIG_SYS_PCI_BAR0));
+ out_be32(&pci->tbatr0a, CONFIG_SYS_PCI_TBATR0 | PCI_TBATR_EN);
#endif
#ifdef CONFIG_SYS_PCI_BAR1
- pci->bar1 = PCI_BAR_BAR1(CONFIG_SYS_PCI_BAR1);
- pci->tbatr1a = CONFIG_SYS_PCI_TBATR1 | PCI_TBATR_EN;
+ out_be32(&pci->bar1, PCI_BAR_BAR1(CONFIG_SYS_PCI_BAR1));
+ out_be32(&pci->tbatr1a, CONFIG_SYS_PCI_TBATR1 | PCI_TBATR_EN);
#endif
/* Deassert reset bit */
- pci->gscr &= ~PCI_GSCR_PR;
+ clrbits_be32(&pci->gscr, PCI_GSCR_PR);
udelay(1000);
/* Enable PCI bus master support */
diff --git a/arch/m68k/cpu/mcf547x_8x/slicetimer.c b/arch/m68k/cpu/mcf547x_8x/slicetimer.c
index ee2e35b..25dd2ae 100644
--- a/arch/m68k/cpu/mcf547x_8x/slicetimer.c
+++ b/arch/m68k/cpu/mcf547x_8x/slicetimer.c
@@ -1,5 +1,5 @@
/*
- * (C) Copyright 2007 Freescale Semiconductor, Inc.
+ * (C) Copyright 2007, 2012 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
@@ -25,6 +25,7 @@
#include <asm/timer.h>
#include <asm/immap.h>
+#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -42,31 +43,32 @@ extern void dtimer_intr_setup(void);
void __udelay(unsigned long usec)
{
- volatile slt_t *timerp = (slt_t *) (CONFIG_SYS_UDELAY_BASE);
+ slt_t *timerp = (slt_t *) (CONFIG_SYS_UDELAY_BASE);
u32 now, freq;
/* 1 us period */
freq = CONFIG_SYS_TIMER_PRESCALER;
- timerp->cr = 0; /* Disable */
- timerp->tcnt = usec * freq;
- timerp->cr = SLT_CR_TEN;
+ /* Disable */
+ out_be32(&timerp->cr, 0);
+ out_be32(&timerp->tcnt, usec * freq);
+ out_be32(&timerp->cr, SLT_CR_TEN);
- now = timerp->cnt;
+ now = in_be32(&timerp->cnt);
while (now != 0)
- now = timerp->cnt;
+ now = in_be32(&timerp->cnt);
- timerp->sr |= SLT_SR_ST;
- timerp->cr = 0;
+ setbits_be32(&timerp->sr, SLT_SR_ST);
+ out_be32(&timerp->cr, 0);
}
void dtimer_interrupt(void *not_used)
{
- volatile slt_t *timerp = (slt_t *) (CONFIG_SYS_TMR_BASE);
+ slt_t *timerp = (slt_t *) (CONFIG_SYS_TMR_BASE);
/* check for timer interrupt asserted */
if ((CONFIG_SYS_TMRPND_REG & CONFIG_SYS_TMRINTR_MASK) == CONFIG_SYS_TMRINTR_PEND) {
- timerp->sr |= SLT_SR_ST;
+ setbits_be32(&timerp->sr, SLT_SR_ST);
timestamp++;
return;
}
@@ -74,25 +76,27 @@ void dtimer_interrupt(void *not_used)
int timer_init(void)
{
- volatile slt_t *timerp = (slt_t *) (CONFIG_SYS_TMR_BASE);
+ slt_t *timerp = (slt_t *) (CONFIG_SYS_TMR_BASE);
timestamp = 0;
- timerp->cr = 0; /* disable timer */
- timerp->tcnt = 0;
- timerp->sr = SLT_SR_BE | SLT_SR_ST; /* clear status */
+ /* disable timer */
+ out_be32(&timerp->cr, 0);
+ out_be32(&timerp->tcnt, 0);
+ /* clear status */
+ out_be32(&timerp->sr, SLT_SR_BE | SLT_SR_ST);
/* initialize and enable timer interrupt */
irq_install_handler(CONFIG_SYS_TMRINTR_NO, dtimer_interrupt, 0);
/* Interrupt every ms */
- timerp->tcnt = 1000 * CONFIG_SYS_TIMER_PRESCALER;
+ out_be32(&timerp->tcnt, 1000 * CONFIG_SYS_TIMER_PRESCALER);
dtimer_intr_setup();
/* set a period of 1us, set timer mode to restart and
enable timer and interrupt */
- timerp->cr = SLT_CR_RUN | SLT_CR_IEN | SLT_CR_TEN;
+ out_be32(&timerp->cr, SLT_CR_RUN | SLT_CR_IEN | SLT_CR_TEN);
return 0;
}
generated by cgit v1.1 at 2024-11-09 09:28:01 +0000