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omap: Change low-level serial init to use ioremap 

Change low-level serial init to use ioremap

Signed-off-by: Tony Lindgren <tony@atomide.com>
hifive-unleashed-5.1
Tony Lindgren 2009-10-16 09:53:00 -07:00
parent a2bb28a0db
commit 84f90c9cc8
2 changed files with 18 additions and 7 deletions
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11
arch/arm/mach-omap1/serial.c
View File

@ -64,7 +64,6 @@ static void __init omap_serial_reset(struct plat_serial8250_port *p)
static struct plat_serial8250_port serial_platform_data[] = {
{
.membase = OMAP1_IO_ADDRESS(OMAP_UART1_BASE),
.mapbase = OMAP_UART1_BASE,
.irq = INT_UART1,
.flags = UPF_BOOT_AUTOCONF,
@ -73,7 +72,6 @@ static struct plat_serial8250_port serial_platform_data[] = {
.uartclk = OMAP16XX_BASE_BAUD * 16,
},
{
.membase = OMAP1_IO_ADDRESS(OMAP_UART2_BASE),
.mapbase = OMAP_UART2_BASE,
.irq = INT_UART2,
.flags = UPF_BOOT_AUTOCONF,
@ -82,7 +80,6 @@ static struct plat_serial8250_port serial_platform_data[] = {
.uartclk = OMAP16XX_BASE_BAUD * 16,
},
{
.membase = OMAP1_IO_ADDRESS(OMAP_UART3_BASE),
.mapbase = OMAP_UART3_BASE,
.irq = INT_UART3,
.flags = UPF_BOOT_AUTOCONF,
@ -126,6 +123,14 @@ void __init omap_serial_init(void)
for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
unsigned char reg;
/* Static mapping, never released */
serial_platform_data[i].membase =
ioremap(serial_platform_data[i].mapbase, SZ_2K);
if (!serial_platform_data[i].membase) {
printk(KERN_ERR "Could not ioremap uart%i\n", i);
continue;
}
switch (i) {
case 0:
uart1_ck = clk_get(NULL, "uart1_ck");

14
arch/arm/mach-omap2/serial.c
View File

@ -73,7 +73,6 @@ static LIST_HEAD(uart_list);
static struct plat_serial8250_port serial_platform_data0[] = {
{
.membase = OMAP2_IO_ADDRESS(OMAP_UART1_BASE),
.mapbase = OMAP_UART1_BASE,
.irq = 72,
.flags = UPF_BOOT_AUTOCONF,
@ -87,7 +86,6 @@ static struct plat_serial8250_port serial_platform_data0[] = {
static struct plat_serial8250_port serial_platform_data1[] = {
{
.membase = OMAP2_IO_ADDRESS(OMAP_UART2_BASE),
.mapbase = OMAP_UART2_BASE,
.irq = 73,
.flags = UPF_BOOT_AUTOCONF,
@ -101,7 +99,6 @@ static struct plat_serial8250_port serial_platform_data1[] = {
static struct plat_serial8250_port serial_platform_data2[] = {
{
.membase = OMAP2_IO_ADDRESS(OMAP_UART3_BASE),
.mapbase = OMAP_UART3_BASE,
.irq = 74,
.flags = UPF_BOOT_AUTOCONF,
@ -126,7 +123,6 @@ static struct plat_serial8250_port serial_platform_data2[] = {
#ifdef CONFIG_ARCH_OMAP4
static struct plat_serial8250_port serial_platform_data3[] = {
{
.membase = OMAP2_IO_ADDRESS(OMAP_UART4_BASE),
.mapbase = OMAP_UART4_BASE,
.irq = 70,
.flags = UPF_BOOT_AUTOCONF,
@ -605,6 +601,16 @@ void __init omap_serial_early_init(void)
struct device *dev = &pdev->dev;
struct plat_serial8250_port *p = dev->platform_data;
/*
* Module 4KB + L4 interconnect 4KB
* Static mapping, never released
*/
p->membase = ioremap(p->mapbase, SZ_8K);
if (!p->membase) {
printk(KERN_ERR "ioremap failed for uart%i\n", i + 1);
continue;
}
sprintf(name, "uart%d_ick", i+1);
uart->ick = clk_get(NULL, name);
if (IS_ERR(uart->ick)) {