diff options
Diffstat (limited to 'arch/arm/mach-ep93xx/include/mach')
-rw-r--r-- | arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h | 34 | ||||
-rw-r--r-- | arch/arm/mach-ep93xx/include/mach/platform.h | 12 | ||||
-rw-r--r-- | arch/arm/mach-ep93xx/include/mach/ts72xx.h | 2 | ||||
-rw-r--r-- | arch/arm/mach-ep93xx/include/mach/uncompress.h | 21 |
4 files changed, 56 insertions, 13 deletions
diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h index 9f4458c..22d6c9a 100644 --- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h +++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h @@ -6,6 +6,40 @@ #define __ASM_ARCH_EP93XX_REGS_H /* + * EP93xx Physical Memory Map: + * + * The ASDO pin is sampled at system reset to select a synchronous or + * asynchronous boot configuration. When ASDO is "1" (i.e. pulled-up) + * the synchronous boot mode is selected. When ASDO is "0" (i.e + * pulled-down) the asynchronous boot mode is selected. + * + * In synchronous boot mode nSDCE3 is decoded starting at physical address + * 0x00000000 and nCS0 is decoded starting at 0xf0000000. For asynchronous + * boot mode they are swapped with nCS0 decoded at 0x00000000 ann nSDCE3 + * decoded at 0xf0000000. + * + * There is known errata for the EP93xx dealing with External Memory + * Configurations. Please refer to "AN273: EP93xx Silicon Rev E Design + * Guidelines" for more information. This document can be found at: + * + * http://www.cirrus.com/en/pubs/appNote/AN273REV4.pdf + */ + +#define EP93XX_CS0_PHYS_BASE_ASYNC 0x00000000 /* ASDO Pin = 0 */ +#define EP93XX_SDCE3_PHYS_BASE_SYNC 0x00000000 /* ASDO Pin = 1 */ +#define EP93XX_CS1_PHYS_BASE 0x10000000 +#define EP93XX_CS2_PHYS_BASE 0x20000000 +#define EP93XX_CS3_PHYS_BASE 0x30000000 +#define EP93XX_PCMCIA_PHYS_BASE 0x40000000 +#define EP93XX_CS6_PHYS_BASE 0x60000000 +#define EP93XX_CS7_PHYS_BASE 0x70000000 +#define EP93XX_SDCE0_PHYS_BASE 0xc0000000 +#define EP93XX_SDCE1_PHYS_BASE 0xd0000000 +#define EP93XX_SDCE2_PHYS_BASE 0xe0000000 +#define EP93XX_SDCE3_PHYS_BASE_ASYNC 0xf0000000 /* ASDO Pin = 0 */ +#define EP93XX_CS0_PHYS_BASE_SYNC 0xf0000000 /* ASDO Pin = 1 */ + +/* * EP93xx linux memory map: * * virt phys size diff --git a/arch/arm/mach-ep93xx/include/mach/platform.h b/arch/arm/mach-ep93xx/include/mach/platform.h index b5c1824..db2489d 100644 --- a/arch/arm/mach-ep93xx/include/mach/platform.h +++ b/arch/arm/mach-ep93xx/include/mach/platform.h @@ -4,17 +4,17 @@ #ifndef __ASSEMBLY__ -void ep93xx_map_io(void); -void ep93xx_init_irq(void); -void ep93xx_init_time(unsigned long); -void ep93xx_init_devices(void); -extern struct sys_timer ep93xx_timer; - struct ep93xx_eth_data { unsigned char dev_addr[6]; unsigned char phy_id; }; +void ep93xx_map_io(void); +void ep93xx_init_irq(void); +void ep93xx_init_time(unsigned long); +void ep93xx_register_eth(struct ep93xx_eth_data *data, int copy_addr); +void ep93xx_init_devices(void); +extern struct sys_timer ep93xx_timer; #endif diff --git a/arch/arm/mach-ep93xx/include/mach/ts72xx.h b/arch/arm/mach-ep93xx/include/mach/ts72xx.h index 30b318a..34ddec0 100644 --- a/arch/arm/mach-ep93xx/include/mach/ts72xx.h +++ b/arch/arm/mach-ep93xx/include/mach/ts72xx.h @@ -70,7 +70,7 @@ #ifndef __ASSEMBLY__ -#include <asm/io.h> +#include <linux/io.h> static inline int board_is_ts7200(void) { diff --git a/arch/arm/mach-ep93xx/include/mach/uncompress.h b/arch/arm/mach-ep93xx/include/mach/uncompress.h index 1fd2f17..16026c2 100644 --- a/arch/arm/mach-ep93xx/include/mach/uncompress.h +++ b/arch/arm/mach-ep93xx/include/mach/uncompress.h @@ -31,10 +31,19 @@ static void __raw_writel(unsigned int value, unsigned int ptr) *((volatile unsigned int *)ptr) = value; } - -#define PHYS_UART1_DATA 0x808c0000 -#define PHYS_UART1_FLAG 0x808c0018 -#define UART1_FLAG_TXFF 0x20 +#if defined(CONFIG_EP93XX_EARLY_UART1) +#define UART_BASE EP93XX_UART1_PHYS_BASE +#elif defined(CONFIG_EP93XX_EARLY_UART2) +#define UART_BASE EP93XX_UART2_PHYS_BASE +#elif defined(CONFIG_EP93XX_EARLY_UART3) +#define UART_BASE EP93XX_UART3_PHYS_BASE +#else +#define UART_BASE EP93XX_UART1_PHYS_BASE +#endif + +#define PHYS_UART_DATA (UART_BASE + 0x00) +#define PHYS_UART_FLAG (UART_BASE + 0x18) +#define UART_FLAG_TXFF 0x20 static inline void putc(int c) { @@ -42,11 +51,11 @@ static inline void putc(int c) for (i = 0; i < 1000; i++) { /* Transmit fifo not full? */ - if (!(__raw_readb(PHYS_UART1_FLAG) & UART1_FLAG_TXFF)) + if (!(__raw_readb(PHYS_UART_FLAG) & UART_FLAG_TXFF)) break; } - __raw_writeb(c, PHYS_UART1_DATA); + __raw_writeb(c, PHYS_UART_DATA); } static inline void flush(void) |