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Diffstat (limited to 'include/asm-arm/arch-ixp2000/system.h')
-rw-r--r--include/asm-arm/arch-ixp2000/system.h23
1 files changed, 9 insertions, 14 deletions
diff --git a/include/asm-arm/arch-ixp2000/system.h b/include/asm-arm/arch-ixp2000/system.h
index 4f489cc0dfa5..ddbbb34b5f95 100644
--- a/include/asm-arm/arch-ixp2000/system.h
+++ b/include/asm-arm/arch-ixp2000/system.h
@@ -26,29 +26,24 @@ static inline void arch_reset(char mode)
26 * RedBoot bank. 26 * RedBoot bank.
27 */ 27 */
28 if (machine_is_ixdp2401()) { 28 if (machine_is_ixdp2401()) {
29 *IXDP2X01_CPLD_FLASH_REG = ((0 >> IXDP2X01_FLASH_WINDOW_BITS) 29 ixp2000_reg_write(IXDP2X01_CPLD_FLASH_REG,
30 | IXDP2X01_CPLD_FLASH_INTERN); 30 ((0 >> IXDP2X01_FLASH_WINDOW_BITS)
31 *IXDP2X01_CPLD_RESET_REG = 0xffffffff; 31 | IXDP2X01_CPLD_FLASH_INTERN));
32 ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0xffffffff);
32 } 33 }
33 34
34 /* 35 /*
35 * On IXDP2801 we need to write this magic sequence to the CPLD 36 * On IXDP2801 we need to write this magic sequence to the CPLD
36 * to cause a complete reset of the CPU and all external devices 37 * to cause a complete reset of the CPU and all external devices
37 * and moves the flash bank register back to 0. 38 * and move the flash bank register back to 0.
38 */ 39 */
39 if (machine_is_ixdp2801()) { 40 if (machine_is_ixdp2801()) {
40 unsigned long reset_reg = *IXDP2X01_CPLD_RESET_REG; 41 unsigned long reset_reg = *IXDP2X01_CPLD_RESET_REG;
42
41 reset_reg = 0x55AA0000 | (reset_reg & 0x0000FFFF); 43 reset_reg = 0x55AA0000 | (reset_reg & 0x0000FFFF);
42 *IXDP2X01_CPLD_RESET_REG = reset_reg; 44 ixp2000_reg_write(IXDP2X01_CPLD_RESET_REG, reset_reg);
43 mb(); 45 ixp2000_reg_wrb(IXDP2X01_CPLD_RESET_REG, 0x80000000);
44 *IXDP2X01_CPLD_RESET_REG = 0x80000000;
45 } 46 }
46 47
47 /* 48 ixp2000_reg_wrb(IXP2000_RESET0, RSTALL);
48 * We do a reset all if we are PCI master. We could be a slave and we
49 * don't want to do anything funky on the PCI bus.
50 */
51 if (*IXP2000_STRAP_OPTIONS & CFG_PCI_BOOT_HOST) {
52 *(IXP2000_RESET0) |= (RSTALL);
53 }
54} 49}