diff options
Diffstat (limited to 'src/soc/amd/picasso/data_fabric.c')
| -rw-r--r-- | src/soc/amd/picasso/data_fabric.c | 31 |
1 files changed, 3 insertions, 28 deletions
diff --git a/src/soc/amd/picasso/data_fabric.c b/src/soc/amd/picasso/data_fabric.c index 3b6c4f92b1..d07555a437 100644 --- a/src/soc/amd/picasso/data_fabric.c +++ b/src/soc/amd/picasso/data_fabric.c @@ -11,31 +11,6 @@ #include <soc/iomap.h> #include <types.h> -static void disable_mmio_reg(unsigned int reg) -{ - data_fabric_broadcast_write32(0, NB_MMIO_CONTROL(reg), - IOMS0_FABRIC_ID << MMIO_DST_FABRIC_ID_SHIFT); - data_fabric_broadcast_write32(0, NB_MMIO_BASE(reg), 0); - data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(reg), 0); -} - -static bool is_mmio_reg_disabled(unsigned int reg) -{ - uint32_t val = data_fabric_broadcast_read32(0, NB_MMIO_CONTROL(reg)); - return !(val & ((MMIO_WE | MMIO_RE))); -} - -static int find_unused_mmio_reg(void) -{ - unsigned int i; - - for (i = 0; i < NUM_NB_MMIO_REGS; i++) { - if (is_mmio_reg_disabled(i)) - return i; - } - return -1; -} - void data_fabric_set_mmio_np(void) { /* @@ -77,14 +52,14 @@ void data_fabric_set_mmio_np(void) continue; /* no overlap at all */ if (base >= np_bot && limit <= np_top) { - disable_mmio_reg(i); /* 100% within, so remove */ + data_fabric_disable_mmio_reg(i); /* 100% within, so remove */ continue; } if (base < np_bot && limit > np_top) { /* Split the configured region */ data_fabric_broadcast_write32(0, NB_MMIO_LIMIT(i), np_bot - 1); - reg = find_unused_mmio_reg(); + reg = data_fabric_find_unused_mmio_reg(); if (reg < 0) { /* Although a pair could be freed later, this condition is * very unusual and deserves analysis. Flag an error and @@ -106,7 +81,7 @@ void data_fabric_set_mmio_np(void) data_fabric_broadcast_write32(0, NB_MMIO_BASE(i), np_top + 1); } - reg = find_unused_mmio_reg(); + reg = data_fabric_find_unused_mmio_reg(); if (reg < 0) { printk(BIOS_ERR, "Error: cannot configure region as NP\n"); return; |