diff options
| author | Hou Zhiqiang | 2016-08-02 19:03:24 +0800 |
|---|---|---|
| committer | York Sun | 2016-09-14 14:07:02 -0700 |
| commit | c37fdbdbb0dd65cb4aa147c9cf9352901014be3b (patch) | |
| tree | 5ed57352e2252152ed5770370bc37b995139d926 /board | |
| parent | 341238fd135dc61cd387546c77901a3eac478a36 (diff) | |
fsl: csu: add an API to set individual device access permission
Add this API to make the individual device is able to be set to
the specified permission.
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Diffstat (limited to 'board')
| -rw-r--r-- | board/freescale/common/ns_access.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/board/freescale/common/ns_access.c b/board/freescale/common/ns_access.c index d8d16c520f8..c3d7a5e9076 100644 --- a/board/freescale/common/ns_access.c +++ b/board/freescale/common/ns_access.c @@ -9,25 +9,31 @@ #include <fsl_csu.h> #include <asm/arch/ns_access.h> -static void enable_devices_ns_access(struct csu_ns_dev *ns_dev, uint32_t num) +void set_devices_ns_access(struct csu_ns_dev *ns_dev, u16 val) { u32 *base = (u32 *)CONFIG_SYS_FSL_CSU_ADDR; u32 *reg; - uint32_t val; - int i; + uint32_t tmp; - for (i = 0; i < num; i++) { - reg = base + ns_dev[i].ind / 2; - val = in_be32(reg); - if (ns_dev[i].ind % 2 == 0) { - val &= 0x0000ffff; - val |= ns_dev[i].val << 16; - } else { - val &= 0xffff0000; - val |= ns_dev[i].val; - } - out_be32(reg, val); + reg = base + ns_dev->ind / 2; + tmp = in_be32(reg); + if (ns_dev->ind % 2 == 0) { + tmp &= 0x0000ffff; + tmp |= val << 16; + } else { + tmp &= 0xffff0000; + tmp |= val; } + + out_be32(reg, tmp); +} + +static void enable_devices_ns_access(struct csu_ns_dev *ns_dev, uint32_t num) +{ + int i; + + for (i = 0; i < num; i++) + set_devices_ns_access(ns_dev + i, ns_dev[i].val); } void enable_layerscape_ns_access(void) |