Changeset 8f9d70b in mainline for boot/arch/arm32/include

Timestamp:

2013-03-24T14:55:36Z (13 years ago)

Author:

Beniamino Galvani <b.galvani@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

0dfa93b0

Parents:

119b46e

Message:

Initial support for Raspberry Pi

Location:

boot/arch/arm32/include

Files:

• arch.h (modified) (1 diff)
• main.h (modified) (1 diff)
• mm.h (modified) (1 diff)

boot/arch/arm32/include/arch.h

@@ -46 +46 @@
 #elif defined MACHINE_beaglebone
 #define BOOT_BASE       0x80000000
+#elif defined MACHINE_raspberrypi
+#define BOOT_BASE       0x00008000
 #else
 #define BOOT_BASE       0x00000000

boot/arch/arm32/include/main.h

@@ -75 +75 @@
 #define ICP_SCONS_ADDR          0x16000000
 
+/** Raspberry PI serial console registers */
+#define BCM2835_UART0_BASE      0x20201000
+#define BCM2835_UART0_DR        (BCM2835_UART0_BASE + 0x00)
+#define BCM2835_UART0_FR        (BCM2835_UART0_BASE + 0x18)
+#define BCM2835_UART0_ILPR      (BCM2835_UART0_BASE + 0x20)
+#define BCM2835_UART0_IBRD      (BCM2835_UART0_BASE + 0x24)
+#define BCM2835_UART0_FBRD      (BCM2835_UART0_BASE + 0x28)
+#define BCM2835_UART0_LCRH      (BCM2835_UART0_BASE + 0x2C)
+#define BCM2835_UART0_CR        (BCM2835_UART0_BASE + 0x30)
+#define BCM2835_UART0_ICR       (BCM2835_UART0_BASE + 0x44)
+
+#define BCM2835_UART0_FR_TXFF   (1 << 5)
+#define BCM2835_UART0_LCRH_FEN  (1 << 4)
+#define BCM2835_UART0_LCRH_WL8  ((1 << 5) | (1 << 6))
+#define BCM2835_UART0_CR_UARTEN (1 << 0)
+#define BCM2835_UART0_CR_TXE    (1 << 8)
+#define BCM2835_UART0_CR_RXE    (1 << 9)
+
+
+
 extern void bootstrap(void);
 

boot/arch/arm32/include/mm.h

@@ -68 +68 @@
 #define AM335x_RAM_END     0xC0000000
 
+/** Start of ram memory on BCM2835 */
+#define BCM2835_RAM_START   0
+/** End of ram memory on BCM2835 */
+#define BCM2835_RAM_END     0x20000000
 
 /* Page table level 0 entry - "section" format is used