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m68knommu: remove address offsets relative to IPSBAR for ColdFire 527x

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Remove the last address definitions relative to the IPSBAR peripheral region
for the ColdFire 527x family. This involved cleaning up some magic numbers
used in the code part, and making them proper register definitions in the 527x
specific header.

This is part of the process of cleaning up the ColdFire register definitions
to make them consistently use absolute addresses for the primary registers.
This will reduce the occasional bugs caused by inconsistent definition of
the register addresses.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
This commit is contained in:
Greg Ungerer 2012-09-17 12:07:21 +10:00
parent 8a415c4be5
commit f821e349cf
2 changed files with 46 additions and 30 deletions
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52
arch/m68k/include/asm/m527xsim.h
View file

@ -194,9 +194,23 @@
#define MCFGPIO_IRQ_MAX 8
#define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE
/*
* Port Pin Assignment registers.
*/
#define MCFGPIO_PAR_AD (MCF_IPSBAR + 0x100040)
#define MCFGPIO_PAR_BUSCTL (MCF_IPSBAR + 0x100042)
#define MCFGPIO_PAR_BS (MCF_IPSBAR + 0x100044)
#define MCFGPIO_PAR_CS (MCF_IPSBAR + 0x100045)
#define MCFGPIO_PAR_SDRAM (MCF_IPSBAR + 0x100046)
#define MCFGPIO_PAR_FECI2C (MCF_IPSBAR + 0x100047)
#define MCFGPIO_PAR_UART (MCF_IPSBAR + 0x100048)
#define MCFGPIO_PAR_QSPI (MCF_IPSBAR + 0x10004A)
#define MCFGPIO_PAR_TIMER (MCF_IPSBAR + 0x10004C)
#endif
#define UART0_ENABLE_MASK 0x000f
#define UART1_ENABLE_MASK 0x0ff0
#define UART2_ENABLE_MASK 0x3000
#endif /* CONFIG_M5271 */
#ifdef CONFIG_M5275
#define MCFGPIO_PODR_BUSCTL (MCF_IPSBAR + 0x100004)
@ -289,8 +303,26 @@
#define MCFGPIO_IRQ_MAX 8
#define MCFGPIO_IRQ_VECBASE MCFINT_VECBASE
/*
* Port Pin Assignment registers.
*/
#define MCFGPIO_PAR_AD (MCF_IPSBAR + 0x100070)
#define MCFGPIO_PAR_CS (MCF_IPSBAR + 0x100071)
#define MCFGPIO_PAR_BUSCTL (MCF_IPSBAR + 0x100072)
#define MCFGPIO_PAR_USB (MCF_IPSBAR + 0x100076)
#define MCFGPIO_PAR_FEC0HL (MCF_IPSBAR + 0x100078)
#define MCFGPIO_PAR_FEC1HL (MCF_IPSBAR + 0x100079)
#define MCFGPIO_PAR_TIMER (MCF_IPSBAR + 0x10007A)
#define MCFGPIO_PAR_UART (MCF_IPSBAR + 0x10007C)
#define MCFGPIO_PAR_QSPI (MCF_IPSBAR + 0x10007E)
#endif
#define MCFGPIO_PAR_SDRAM (MCF_IPSBAR + 0x100080)
#define MCFGPIO_PAR_FECI2C (MCF_IPSBAR + 0x100082)
#define MCFGPIO_PAR_BS (MCF_IPSBAR + 0x100084)
#define UART0_ENABLE_MASK 0x000f
#define UART1_ENABLE_MASK 0x00f0
#define UART2_ENABLE_MASK 0x3f00
#endif /* CONFIG_M5275 */
/*
* PIT timer base addresses.
@ -310,22 +342,6 @@
#define MCFEPORT_EPPDR (MCF_IPSBAR + 0x130005)
#define MCFEPORT_EPFR (MCF_IPSBAR + 0x130006)
/*
* GPIO pins setups to enable the UARTs.
*/
#ifdef CONFIG_M5271
#define MCF_GPIO_PAR_UART 0x100048 /* PAR UART address */
#define UART0_ENABLE_MASK 0x000f
#define UART1_ENABLE_MASK 0x0ff0
#define UART2_ENABLE_MASK 0x3000
#endif
#ifdef CONFIG_M5275
#define MCF_GPIO_PAR_UART 0x10007c /* PAR UART address */
#define UART0_ENABLE_MASK 0x000f
#define UART1_ENABLE_MASK 0x00f0
#define UART2_ENABLE_MASK 0x3f00
#endif
/*
* Reset Control Unit (relative to IPSBAR).
*/

24
arch/m68k/platform/coldfire/m527x.c
View file

@ -53,9 +53,9 @@ static void __init m527x_uarts_init(void)
/*
* External Pin Mask Setting & Enable External Pin for Interface
*/
sepmask = readw(MCF_IPSBAR + MCF_GPIO_PAR_UART);
sepmask = readw(MCFGPIO_PAR_UART);
sepmask |= UART0_ENABLE_MASK | UART1_ENABLE_MASK | UART2_ENABLE_MASK;
writew(sepmask, MCF_IPSBAR + MCF_GPIO_PAR_UART);
writew(sepmask, MCFGPIO_PAR_UART);
}
/***************************************************************************/
@ -67,19 +67,19 @@ static void __init m527x_fec_init(void)
/* Set multi-function pins to ethernet mode for fec0 */
#if defined(CONFIG_M5271)
v = readb(MCF_IPSBAR + 0x100047);
writeb(v | 0xf0, MCF_IPSBAR + 0x100047);
v = readb(MCFGPIO_PAR_FECI2C);
writeb(v | 0xf0, MCFGPIO_PAR_FECI2C);
#else
par = readw(MCF_IPSBAR + 0x100082);
writew(par | 0xf00, MCF_IPSBAR + 0x100082);
v = readb(MCF_IPSBAR + 0x100078);
writeb(v | 0xc0, MCF_IPSBAR + 0x100078);
par = readw(MCFGPIO_PAR_FECI2C);
writew(par | 0xf00, MCFGPIO_PAR_FECI2C);
v = readb(MCFGPIO_PAR_FEC0HL);
writeb(v | 0xc0, MCFGPIO_PAR_FEC0HL);
/* Set multi-function pins to ethernet mode for fec1 */
par = readw(MCF_IPSBAR + 0x100082);
writew(par | 0xa0, MCF_IPSBAR + 0x100082);
v = readb(MCF_IPSBAR + 0x100079);
writeb(v | 0xc0, MCF_IPSBAR + 0x100079);
par = readw(MCFGPIO_PAR_FECI2C);
writew(par | 0xa0, MCFGPIO_PAR_FECI2C);
v = readb(MCFGPIO_PAR_FEC1HL);
writeb(v | 0xc0, MCFGPIO_PAR_FEC1HL);
#endif
}