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m68knommu: make 54xx UART platform addressing consistent

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If we make all UART addressing consistent across all ColdFire family members
then we will be able to remove the duplicated plaform data and use a single
setup for all.

So modify the ColdFire 54xx UART addressing so that:

. UARTs are numbered from 0 up
. base addresses are absolute (not relative to MBAR peripheral register)
. use a common name for IRQs used

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Greg Ungerer 2011-12-24 00:46:37 +10:00
parent 69d23b610a
commit bbbeeaf2f7
2 changed files with 18 additions and 14 deletions
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16
arch/m68k/include/asm/m54xxsim.h
View file

@ -31,16 +31,20 @@
/*
* UART module.
*/
#define MCFUART_BASE1 0x8600 /* Base address of UART1 */
#define MCFUART_BASE2 0x8700 /* Base address of UART2 */
#define MCFUART_BASE3 0x8800 /* Base address of UART3 */
#define MCFUART_BASE4 0x8900 /* Base address of UART4 */
#define MCFUART_BASE0 (MCF_MBAR + 0x8600) /* Base address UART0 */
#define MCFUART_BASE1 (MCF_MBAR + 0x8700) /* Base address UART1 */
#define MCFUART_BASE2 (MCF_MBAR + 0x8800) /* Base address UART2 */
#define MCFUART_BASE3 (MCF_MBAR + 0x8900) /* Base address UART3 */
/*
* Define system peripheral IRQ usage.
*/
#define MCF_IRQ_TIMER (64 + 54) /* Slice Timer 0 */
#define MCF_IRQ_PROFILER (64 + 53) /* Slice Timer 1 */
#define MCF_IRQ_TIMER (MCFINT_VECBASE + 54) /* Slice Timer 0 */
#define MCF_IRQ_PROFILER (MCFINT_VECBASE + 53) /* Slice Timer 1 */
#define MCF_IRQ_UART0 (MCFINT_VECBASE + 35)
#define MCF_IRQ_UART1 (MCFINT_VECBASE + 34)
#define MCF_IRQ_UART2 (MCFINT_VECBASE + 33)
#define MCF_IRQ_UART3 (MCFINT_VECBASE + 32)
/*
* Generic GPIO support

16
arch/m68k/platform/54xx/config.c
View file

@ -29,20 +29,20 @@
static struct mcf_platform_uart m54xx_uart_platform[] = {
{
.mapbase = MCF_MBAR + MCFUART_BASE1,
.irq = 64 + 35,
.mapbase = MCFUART_BASE0,
.irq = MCF_IRQ_UART0,
},
{
.mapbase = MCF_MBAR + MCFUART_BASE2,
.irq = 64 + 34,
.mapbase = MCFUART_BASE1,
.irq = MCF_IRQ_UART1,
},
{
.mapbase = MCF_MBAR + MCFUART_BASE3,
.irq = 64 + 33,
.mapbase = MCFUART_BASE2,
.irq = MCF_IRQ_UART2,
},
{
.mapbase = MCF_MBAR + MCFUART_BASE4,
.irq = 64 + 32,
.mapbase = MCFUART_BASE3,
.irq = MCF_IRQ_UART3,
},
};