diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/serial.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/serial.h | 84 |
1 files changed, 63 insertions, 21 deletions
diff --git a/arch/arm/plat-omap/include/plat/serial.h b/arch/arm/plat-omap/include/plat/serial.h index f5a4a92393e..19145f5c32b 100644 --- a/arch/arm/plat-omap/include/plat/serial.h +++ b/arch/arm/plat-omap/include/plat/serial.h @@ -15,37 +15,79 @@ #include <linux/init.h> -#if defined(CONFIG_ARCH_OMAP1) +/* + * Memory entry used for the DEBUG_LL UART configuration. See also + * uncompress.h and debug-macro.S. + * + * Note that using a memory location for storing the UART configuration + * has at least two limitations: + * + * 1. Kernel uncompress code cannot overlap OMAP_UART_INFO as the + * uncompress code could then partially overwrite itself + * 2. We assume printascii is called at least once before paging_init, + * and addruart has a chance to read OMAP_UART_INFO + */ +#define OMAP_UART_INFO (PHYS_OFFSET + 0x3ffc) + /* OMAP1 serial ports */ -#define OMAP_UART1_BASE 0xfffb0000 -#define OMAP_UART2_BASE 0xfffb0800 -#define OMAP_UART3_BASE 0xfffb9800 -#elif defined(CONFIG_ARCH_OMAP2) +#define OMAP1_UART1_BASE 0xfffb0000 +#define OMAP1_UART2_BASE 0xfffb0800 +#define OMAP1_UART3_BASE 0xfffb9800 + /* OMAP2 serial ports */ -#define OMAP_UART1_BASE 0x4806a000 -#define OMAP_UART2_BASE 0x4806c000 -#define OMAP_UART3_BASE 0x4806e000 -#elif defined(CONFIG_ARCH_OMAP3) +#define OMAP2_UART1_BASE 0x4806a000 +#define OMAP2_UART2_BASE 0x4806c000 +#define OMAP2_UART3_BASE 0x4806e000 + /* OMAP3 serial ports */ -#define OMAP_UART1_BASE 0x4806a000 -#define OMAP_UART2_BASE 0x4806c000 -#define OMAP_UART3_BASE 0x49020000 -#elif defined(CONFIG_ARCH_OMAP4) +#define OMAP3_UART1_BASE OMAP2_UART1_BASE +#define OMAP3_UART2_BASE OMAP2_UART2_BASE +#define OMAP3_UART3_BASE 0x49020000 +#define OMAP3_UART4_BASE 0x49042000 /* Only on 36xx */ + /* OMAP4 serial ports */ -#define OMAP_UART1_BASE 0x4806a000 -#define OMAP_UART2_BASE 0x4806c000 -#define OMAP_UART3_BASE 0x48020000 -#define OMAP_UART4_BASE 0x4806e000 -#endif +#define OMAP4_UART1_BASE OMAP2_UART1_BASE +#define OMAP4_UART2_BASE OMAP2_UART2_BASE +#define OMAP4_UART3_BASE 0x48020000 +#define OMAP4_UART4_BASE 0x4806e000 + +/* External port on Zoom2/3 */ +#define ZOOM_UART_BASE 0x10000000 +#define ZOOM_UART_VIRT 0xfa400000 + +#define OMAP_PORT_SHIFT 2 +#define OMAP7XX_PORT_SHIFT 0 +#define ZOOM_PORT_SHIFT 1 #define OMAP1510_BASE_BAUD (12000000/16) #define OMAP16XX_BASE_BAUD (48000000/16) #define OMAP24XX_BASE_BAUD (48000000/16) +/* + * DEBUG_LL port encoding stored into the UART1 scratchpad register by + * decomp_setup in uncompress.h + */ +#define OMAP1UART1 11 +#define OMAP1UART2 12 +#define OMAP1UART3 13 +#define OMAP2UART1 21 +#define OMAP2UART2 22 +#define OMAP2UART3 23 +#define OMAP3UART1 OMAP2UART1 +#define OMAP3UART2 OMAP2UART2 +#define OMAP3UART3 33 +#define OMAP3UART4 34 /* Only on 36xx */ +#define OMAP4UART1 OMAP2UART1 +#define OMAP4UART2 OMAP2UART2 +#define OMAP4UART3 43 +#define OMAP4UART4 44 +#define ZOOM_UART 95 /* Only on zoom2/3 */ + +/* This is only used by 8250.c for omap1510 */ #define is_omap_port(pt) ({int __ret = 0; \ - if ((pt)->port.mapbase == OMAP_UART1_BASE || \ - (pt)->port.mapbase == OMAP_UART2_BASE || \ - (pt)->port.mapbase == OMAP_UART3_BASE) \ + if ((pt)->port.mapbase == OMAP1_UART1_BASE || \ + (pt)->port.mapbase == OMAP1_UART2_BASE || \ + (pt)->port.mapbase == OMAP1_UART3_BASE) \ __ret = 1; \ __ret; \ }) |