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RealView: Move the UART definitions to EB specific files 

Since the PB1176 has different UART base addresses, this patch moves
the definitions form platorm.h to board-eb.h. It also modifies
uncompress.h to detect the platform type at run-time.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Catalin Marinas 2008-04-18 22:43:11 +01:00
parent 80192735e4
commit 9a386f0651
4 changed files with 44 additions and 28 deletions
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32
arch/arm/mach-realview/realview_eb.c
View File

@ -78,8 +78,8 @@ static struct map_desc realview_eb_io_desc[] __initdata = {
},
#ifdef CONFIG_DEBUG_LL
{
.virtual = IO_ADDRESS(REALVIEW_UART0_BASE),
.pfn = __phys_to_pfn(REALVIEW_UART0_BASE),
.virtual = IO_ADDRESS(REALVIEW_EB_UART0_BASE),
.pfn = __phys_to_pfn(REALVIEW_EB_UART0_BASE),
.length = SZ_4K,
.type = MT_DEVICE,
}
@ -164,14 +164,14 @@ static void __init realview_eb_map_io(void)
*/
#define SCI_IRQ { IRQ_EB_SCI, NO_IRQ }
#define SCI_DMA { 7, 6 }
#define UART0_IRQ { IRQ_EB_UART0, NO_IRQ }
#define UART0_DMA { 15, 14 }
#define UART1_IRQ { IRQ_EB_UART1, NO_IRQ }
#define UART1_DMA { 13, 12 }
#define UART2_IRQ { IRQ_EB_UART2, NO_IRQ }
#define UART2_DMA { 11, 10 }
#define UART3_IRQ { IRQ_EB_UART3, NO_IRQ }
#define UART3_DMA { 0x86, 0x87 }
#define EB_UART0_IRQ { IRQ_EB_UART0, NO_IRQ }
#define EB_UART0_DMA { 15, 14 }
#define EB_UART1_IRQ { IRQ_EB_UART1, NO_IRQ }
#define EB_UART1_DMA { 13, 12 }
#define EB_UART2_IRQ { IRQ_EB_UART2, NO_IRQ }
#define EB_UART2_DMA { 11, 10 }
#define EB_UART3_IRQ { IRQ_EB_UART3, NO_IRQ }
#define EB_UART3_DMA { 0x86, 0x87 }
#define SSP_IRQ { IRQ_EB_SSP, NO_IRQ }
#define SSP_DMA { 9, 8 }
@ -180,7 +180,7 @@ AMBA_DEVICE(aaci, "fpga:04", AACI, NULL);
AMBA_DEVICE(mmc0, "fpga:05", MMCI0, &realview_mmc0_plat_data);
AMBA_DEVICE(kmi0, "fpga:06", KMI0, NULL);
AMBA_DEVICE(kmi1, "fpga:07", KMI1, NULL);
AMBA_DEVICE(uart3, "fpga:09", UART3, NULL);
AMBA_DEVICE(uart3, "fpga:09", EB_UART3, NULL);
/* DevChip Primecells */
AMBA_DEVICE(smc, "dev:00", SMC, NULL);
@ -193,9 +193,9 @@ AMBA_DEVICE(gpio1, "dev:e5", GPIO1, NULL);
AMBA_DEVICE(gpio2, "dev:e6", GPIO2, NULL);
AMBA_DEVICE(rtc, "dev:e8", RTC, NULL);
AMBA_DEVICE(sci0, "dev:f0", SCI, NULL);
AMBA_DEVICE(uart0, "dev:f1", UART0, NULL);
AMBA_DEVICE(uart1, "dev:f2", UART1, NULL);
AMBA_DEVICE(uart2, "dev:f3", UART2, NULL);
AMBA_DEVICE(uart0, "dev:f1", EB_UART0, NULL);
AMBA_DEVICE(uart1, "dev:f2", EB_UART1, NULL);
AMBA_DEVICE(uart2, "dev:f3", EB_UART2, NULL);
AMBA_DEVICE(ssp0, "dev:f4", SSP, NULL);
static struct amba_device *amba_devs[] __initdata = {
@ -388,8 +388,8 @@ static void __init realview_eb_init(void)
MACHINE_START(REALVIEW_EB, "ARM-RealView EB")
/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
.phys_io = REALVIEW_UART0_BASE,
.io_pg_offst = (IO_ADDRESS(REALVIEW_UART0_BASE) >> 18) & 0xfffc,
.phys_io = REALVIEW_EB_UART0_BASE,
.io_pg_offst = (IO_ADDRESS(REALVIEW_EB_UART0_BASE) >> 18) & 0xfffc,
.boot_params = 0x00000100,
.map_io = realview_eb_map_io,
.init_irq = gic_init_irq,

4
include/asm-arm/arch-realview/board-eb.h
View File

@ -26,6 +26,10 @@
/*
* RealView EB + ARM11MPCore peripheral addresses
*/
#define REALVIEW_EB_UART0_BASE 0x10009000 /* UART 0 */
#define REALVIEW_EB_UART1_BASE 0x1000A000 /* UART 1 */
#define REALVIEW_EB_UART2_BASE 0x1000B000 /* UART 2 */
#define REALVIEW_EB_UART3_BASE 0x1000C000 /* UART 3 */
#define REALVIEW_EB_TIMER0_1_BASE 0x10011000 /* Timer 0 and 1 */
#define REALVIEW_EB_TIMER2_3_BASE 0x10012000 /* Timer 2 and 3 */
#define REALVIEW_EB_GIC_CPU_BASE 0x10040000 /* Generic interrupt controller CPU interface */

4
include/asm-arm/arch-realview/platform.h
View File

@ -182,10 +182,6 @@
#define REALVIEW_KMI0_BASE 0x10006000 /* KMI interface */
#define REALVIEW_KMI1_BASE 0x10007000 /* KMI 2nd interface */
#define REALVIEW_CHAR_LCD_BASE 0x10008000 /* Character LCD */
#define REALVIEW_UART0_BASE 0x10009000 /* UART 0 */
#define REALVIEW_UART1_BASE 0x1000A000 /* UART 1 */
#define REALVIEW_UART2_BASE 0x1000B000 /* UART 2 */
#define REALVIEW_UART3_BASE 0x1000C000 /* UART 3 */
#define REALVIEW_SSP_BASE 0x1000D000 /* Synchronous Serial Port */
#define REALVIEW_SCI_BASE 0x1000E000 /* Smart card controller */
/* Reserved 0x1000F000 */

32
include/asm-arm/arch-realview/uncompress.h
View File

@ -18,28 +18,44 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/arch/platform.h>
#include <asm/arch/board-eb.h>
#define AMBA_UART_DR (*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x00))
#define AMBA_UART_LCRH (*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x2c))
#define AMBA_UART_CR (*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x30))
#define AMBA_UART_FR (*(volatile unsigned char *) (REALVIEW_UART0_BASE + 0x18))
#define AMBA_UART_DR(base) (*(volatile unsigned char *)((base) + 0x00))
#define AMBA_UART_LCRH(base) (*(volatile unsigned char *)((base) + 0x2c))
#define AMBA_UART_CR(base) (*(volatile unsigned char *)((base) + 0x30))
#define AMBA_UART_FR(base) (*(volatile unsigned char *)((base) + 0x18))
/*
* Return the UART base address
*/
static inline unsigned long get_uart_base(void)
{
if (machine_is_realview_eb())
return REALVIEW_EB_UART0_BASE;
else
return 0;
}
/*
* This does not append a newline
*/
static inline void putc(int c)
{
while (AMBA_UART_FR & (1 << 5))
unsigned long base = get_uart_base();
while (AMBA_UART_FR(base) & (1 << 5))
barrier();
AMBA_UART_DR = c;
AMBA_UART_DR(base) = c;
}
static inline void flush(void)
{
while (AMBA_UART_FR & (1 << 3))
unsigned long base = get_uart_base();
while (AMBA_UART_FR(base) & (1 << 3))
barrier();
}