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[src/trunk]: src/sys/arch/arm/samsung No need to use hold reg when updating c...
details: https://anonhg.NetBSD.org/src/rev/49a5b0b0519b
branches: trunk
changeset: 833599:49a5b0b0519b
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Mon Jul 02 23:52:53 2018 +0000
description:
No need to use hold reg when updating clocks, and auto-discover some values.
diffstat:
sys/arch/arm/samsung/exynos_dwcmmc.c | 14 ++++----------
1 files changed, 4 insertions(+), 10 deletions(-)
diffs (56 lines):
diff -r 4609e2ccbb44 -r 49a5b0b0519b sys/arch/arm/samsung/exynos_dwcmmc.c
--- a/sys/arch/arm/samsung/exynos_dwcmmc.c Mon Jul 02 20:28:24 2018 +0000
+++ b/sys/arch/arm/samsung/exynos_dwcmmc.c Mon Jul 02 23:52:53 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: exynos_dwcmmc.c,v 1.6 2018/07/02 20:28:24 jmcneill Exp $ */
+/* $NetBSD: exynos_dwcmmc.c,v 1.7 2018/07/02 23:52:53 jmcneill Exp $ */
/*-
* Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: exynos_dwcmmc.c,v 1.6 2018/07/02 20:28:24 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: exynos_dwcmmc.c,v 1.7 2018/07/02 23:52:53 jmcneill Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@@ -43,7 +43,6 @@
#include <dev/ic/dwc_mmc_var.h>
#include <dev/fdt/fdtvar.h>
-#define FIFO_REG 0x200
#define MPS_BEGIN 0x200
#define MPS_END 0x204
#define MPS_CTRL 0x20c
@@ -94,7 +93,6 @@
char intrstr[128];
bus_addr_t addr;
bus_size_t size;
- u_int fifo_depth;
int error;
if (fdtbus_get_reg(phandle, 0, &addr, &size) != 0) {
@@ -102,9 +100,6 @@
return;
}
- if (of_getprop_uint32(phandle, "fifo-depth", &fifo_depth)) {
- fifo_depth = 64;
- }
if (of_getprop_uint32(phandle, "samsung,dw-mshc-ciu-div", &esc->sc_ciu_div)) {
aprint_error(": missing samsung,dw-mshc-ciu-div property\n");
return;
@@ -143,9 +138,8 @@
}
sc->sc_clock_freq = clk_get_rate(esc->sc_clk_ciu) / (esc->sc_ciu_div + 1);
- sc->sc_fifo_depth = fifo_depth;
- sc->sc_fifo_reg = FIFO_REG;
- sc->sc_flags = DWC_MMC_F_USE_HOLD_REG | DWC_MMC_F_DMA;
+ of_getprop_uint32(phandle, "fifo-depth", &sc->sc_fifo_depth);
+ sc->sc_flags = DWC_MMC_F_DMA;
sc->sc_bus_clock = exynos_dwcmmc_bus_clock;
esc->sc_pin_cd = fdtbus_gpio_acquire(phandle, "cd-gpios",
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