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pmac-zilog: add platform driver

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Add platform driver support to the pmac-zilog driver, for m68k macs.
Place the powermac-specific code inside #ifdef CONFIG_PPC_PMAC.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Finn Thain
2009-11-17 20:04:44 +11:00
committed by Geert Uytterhoeven
parent 1f7b5fff50
commit ec9cbe0989
5 changed files with 166 additions and 25 deletions
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14
drivers/serial/pmac_zilog.h
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@@ -1,7 +1,15 @@
#ifndef __PMAC_ZILOG_H__
#define __PMAC_ZILOG_H__
#ifdef CONFIG_PPC_PMAC
#define pmz_debug(fmt, arg...) dev_dbg(&uap->dev->ofdev.dev, fmt, ## arg)
#define pmz_error(fmt, arg...) dev_err(&uap->dev->ofdev.dev, fmt, ## arg)
#define pmz_info(fmt, arg...) dev_info(&uap->dev->ofdev.dev, fmt, ## arg)
#else
#define pmz_debug(fmt, arg...) dev_dbg(&uap->node->dev, fmt, ## arg)
#define pmz_error(fmt, arg...) dev_err(&uap->node->dev, fmt, ## arg)
#define pmz_info(fmt, arg...) dev_info(&uap->node->dev, fmt, ## arg)
#endif
/*
* At most 2 ESCCs with 2 ports each
@@ -17,6 +25,7 @@ struct uart_pmac_port {
struct uart_port port;
struct uart_pmac_port *mate;
#ifdef CONFIG_PPC_PMAC
/* macio_dev for the escc holding this port (maybe be null on
* early inited port)
*/
@@ -25,6 +34,9 @@ struct uart_pmac_port {
* of "escc" node (ie. ch-a or ch-b)
*/
struct device_node *node;
#else
struct platform_device *node;
#endif
/* Port type as obtained from device tree (IRDA, modem, ...) */
int port_type;
@@ -55,10 +67,12 @@ struct uart_pmac_port {
volatile u8 __iomem *control_reg;
volatile u8 __iomem *data_reg;
#ifdef CONFIG_PPC_PMAC
unsigned int tx_dma_irq;
unsigned int rx_dma_irq;
volatile struct dbdma_regs __iomem *tx_dma_regs;
volatile struct dbdma_regs __iomem *rx_dma_regs;
#endif
struct ktermios termios_cache;
};