diff options
Diffstat (limited to 'board/MAI/AmigaOneG3SE/board_asm_init.S')
-rw-r--r-- | board/MAI/AmigaOneG3SE/board_asm_init.S | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/board/MAI/AmigaOneG3SE/board_asm_init.S b/board/MAI/AmigaOneG3SE/board_asm_init.S deleted file mode 100644 index 086b19c052..0000000000 --- a/board/MAI/AmigaOneG3SE/board_asm_init.S +++ /dev/null @@ -1,156 +0,0 @@ -#include "macros.h" - - -#define GLOBALINFO0 0x50 -#define GLOBALINFO0_BO (1<<7) -#define GLOBALINFO2_B1ARBITER (1<<6) -#define HBUSACR0 0x5c -#define HBUSACR2_BURST (1<<0) -#define HBUSACR2_LAT (1<<1) - -#define RECEIVER_HOLDING 0 -#define TRANSMITTER_HOLDING 0 -#define INTERRUPT_ENABLE 1 -#define INTERRUPT_STATUS 2 -#define FIFO_CONTROL 2 -#define LINE_CONTROL 3 -#define MODEM_CONTROL 4 -#define LINE_STATUS 5 -#define MODEM_STATUS 6 -#define SCRATCH_PAD 7 - -#define DIVISOR_LATCH_LSB 0 -#define DIVISOR_LATCH_MSB 1 -#define PRESCALER_DIVISION 5 - -#define UART(x) (0x3f8+(x)) - -#define GLOBALINFO0 0x50 -#define GLOBALINFO0_BO (1<<7) -#define GLOBALINFO2_B1ARBITER (1<<6) -#define HBUSACR0 0x5c -#define HBUSACR2_BURST (1<<0) -#define HBUSACR2_LAT (1<<1) - -#define SUPERIO_1 ((7 << 3) | (0)) -#define SUPERIO_2 ((7 << 3) | (1)) - - .globl board_asm_init - -board_asm_init: - mflr r29 - /* Set 'Must-set' register */ - li r3, 0 - li r4, 0 - li r5, 0x5e - bl pci_read_cfg_byte - ori r3, r3, (1<<1) - xori r6, r3, (1<<1) - li r3, 0 - bl pci_write_cfg_byte - - li r3, 0 - li r5, 0x52 - bl pci_read_cfg_byte - ori r6, r3, (1<<6) - li r3, 0 - bl pci_write_cfg_byte - - li r3, 0 - li r4, 0x08 - li r5, 0xd2 - bl pci_read_cfg_byte - ori r6, r3, (1<<2) - li r3, 0 - bl pci_write_cfg_byte - - - /* Do PCI reset */ -/* li r3, 0 - li r4, 0x38 - li r5, 0x47 - bl pci_read_cfg_byte - ori r6, r3, 0x01 - li r3, 0 - li r4, 0x38 - li r5, 0x47 - bl pci_write_cfg_byte*/ - - - /* Enable NVRAM for environment */ - li r3, 0 - li r4, 0 - li r5, 0x56 - li r6, 0x0B - bl pci_write_cfg_byte - - - /* Init Super-I/O chips */ - - siowb 0x40, 0x08 - siowb 0x41, 0x01 - siowb 0x45, 0x80 - siowb 0x46, 0x60 - siowb 0x47, 0x20 - siowb 0x48, 0x01 - siowb 0x4a, 0xc4 - siowb 0x50, 0x0e - siowb 0x51, 0x76 - siowb 0x52, 0x34 - siowb 0x54, 0x00 - siowb 0x55, 0x90 - siowb 0x56, 0x99 - siowb 0x57, 0x90 - siowb 0x85, 0x01 - - /* Enable configuration mode for SuperIO */ - li r3, 0 - li r4, (7<<3) - li r5, 0x85 - bl pci_read_cfg_byte - ori r6, r3, 0x02 - mr r31, r6 - li r3,0 - bl pci_write_cfg_byte - - /* COM1 as 3f8 */ - outb 0x3f0, 0xe7 - outb 0x3f1, 0xfe - - /* COM2 as 2f8 */ - outb 0x3f0, 0xe8 - outb 0x3f1, 0xeb - - /* Enable */ - outb 0x3f0, 0xe2 - inb r3, 0x3f1 - ori r3, r3, 0x0c - outb 0x3f0, 0xe2 - outbr 0x3f1, r3 - - /* Disable configuration mode */ - li r3, 0 - li r4, (7<<3) - li r5, 0x85 - mr r6, r31 - bl pci_write_cfg_byte - - /* Set line control */ - outb UART(LINE_CONTROL), 0x83 - outb UART(DIVISOR_LATCH_LSB), 0x0c - outb UART(DIVISOR_LATCH_MSB), 0x00 - outb UART(LINE_CONTROL), 0x3 - - mtlr r29 - blr - - - .globl new_reset - .globl new_reset_end -new_reset: - li r0, 0x100 - oris r0, r0, 0xFFF0 - mtlr r0 - blr - -new_reset_end: |