diff options
Diffstat (limited to 'arch/blackfin/mach-common/scb-init.c')
-rw-r--r-- | arch/blackfin/mach-common/scb-init.c | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/arch/blackfin/mach-common/scb-init.c b/arch/blackfin/mach-common/scb-init.c deleted file mode 100644 index 8923398db66f..000000000000 --- a/arch/blackfin/mach-common/scb-init.c +++ /dev/null @@ -1,52 +0,0 @@ -/* - * arch/blackfin/mach-common/scb-init.c - reprogram system cross bar priority - * - * Copyright 2012 Analog Devices Inc. - * - * Licensed under the GPL-2 or later. - */ - -#include <linux/errno.h> -#include <linux/kernel.h> -#include <asm/scb.h> - -__attribute__((l1_text)) -inline void scb_mi_write(unsigned long scb_mi_arbw, unsigned int slots, - unsigned char *scb_mi_prio) -{ - unsigned int i; - - for (i = 0; i < slots; ++i) - bfin_write32(scb_mi_arbw, (i << SCB_SLOT_OFFSET) | scb_mi_prio[i]); -} - -__attribute__((l1_text)) -inline void scb_mi_read(unsigned long scb_mi_arbw, unsigned int slots, - unsigned char *scb_mi_prio) -{ - unsigned int i; - - for (i = 0; i < slots; ++i) { - bfin_write32(scb_mi_arbw, (0xFF << SCB_SLOT_OFFSET) | i); - scb_mi_prio[i] = bfin_read32(scb_mi_arbw); - } -} - -__attribute__((l1_text)) -void init_scb(void) -{ - unsigned int i, j; - unsigned char scb_tmp_prio[32]; - - pr_info("Init System Crossbar\n"); - for (i = 0; scb_data[i].scb_mi_arbr > 0; ++i) { - - scb_mi_write(scb_data[i].scb_mi_arbw, scb_data[i].scb_mi_slots, scb_data[i].scb_mi_prio); - - pr_debug("scb priority at 0x%lx:\n", scb_data[i].scb_mi_arbr); - scb_mi_read(scb_data[i].scb_mi_arbw, scb_data[i].scb_mi_slots, scb_tmp_prio); - for (j = 0; j < scb_data[i].scb_mi_slots; ++j) - pr_debug("slot %d = %d\n", j, scb_tmp_prio[j]); - } - -} |