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utils: Remove tinyfdt.c

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tinyfdt.c was originally added to provide a minimal implementation of
fdt parsing. However, we have already included libfdt in OpenSBI for
more complicated operations.

Remove tinfdt and replace its functiolity using libfdt.

Signed-off-by: Atish Patra <atish.patra@wdc.com>
Acked-by: Anup Patel <anup.patel@wdc.com>
This commit is contained in:
Atish Patra
2019-06-18 14:54:06 -07:00
committed by Anup Patel
parent b2d0caf86b
commit 5dd93e88fe
4 changed files with 14 additions and 373 deletions
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30
lib/utils/irqchip/plic.c
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@@ -11,8 +11,9 @@
#include <sbi/riscv_encoding.h>
#include <sbi/sbi_console.h>
#include <sbi/sbi_string.h>
#include <sbi_utils/tinyfdt.h>
#include <sbi_utils/irqchip/plic.h>
#include <libfdt.h>
#include <fdt.h>
#define PLIC_PRIORITY_BASE 0x0
#define PLIC_PENDING_BASE 0x1000
@@ -46,34 +47,31 @@ static void plic_set_ie(u32 cntxid, u32 word_index, u32 val)
writel(val, plic_ie + word_index * 4);
}
static void plic_fdt_fixup_prop(const struct fdt_node *node,
const struct fdt_prop *prop, void *priv)
void plic_fdt_fixup(void *fdt, const char *compat)
{
u32 *cells;
u32 i, cells_count;
int i, cells_count;
u32 plic_off;
if (!prop)
return;
if (sbi_strcmp(prop->name, "interrupts-extended"))
plic_off = fdt_node_offset_by_compatible(fdt, 0, compat);
if (plic_off < 0)
return;
cells = prop->value;
cells_count = prop->len / sizeof(u32);
cells = (u32 *)fdt_getprop(fdt, plic_off,
"interrupts-extended", &cells_count);
if (!cells)
return;
cells_count = cells_count / sizeof(u32);
if (!cells_count)
return;
for (i = 0; i < (cells_count / 2); i++) {
if (fdt_rev32(cells[2 * i + 1]) == IRQ_M_EXT)
cells[2 * i + 1] = fdt_rev32(0xffffffff);
if (fdt32_to_cpu(cells[2 * i + 1]) == IRQ_M_EXT)
cells[2 * i + 1] = fdt32_to_cpu(0xffffffff);
}
}
void plic_fdt_fixup(void *fdt, const char *compat)
{
fdt_compat_node_prop(fdt, compat, plic_fdt_fixup_prop, NULL);
}
int plic_warm_irqchip_init(u32 target_hart, int m_cntx_id, int s_cntx_id)
{
size_t i, ie_words = plic_num_sources / 32 + 1;