summaryrefslogtreecommitdiff
path: root/target/linux/lantiq/patches-3.3/0023-MIPS-lantiq-convert-falcon-to-clkdev-api.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/lantiq/patches-3.3/0023-MIPS-lantiq-convert-falcon-to-clkdev-api.patch')
-rw-r--r--target/linux/lantiq/patches-3.3/0023-MIPS-lantiq-convert-falcon-to-clkdev-api.patch235
1 files changed, 0 insertions, 235 deletions
diff --git a/target/linux/lantiq/patches-3.3/0023-MIPS-lantiq-convert-falcon-to-clkdev-api.patch b/target/linux/lantiq/patches-3.3/0023-MIPS-lantiq-convert-falcon-to-clkdev-api.patch
deleted file mode 100644
index ddf07c4..0000000
--- a/target/linux/lantiq/patches-3.3/0023-MIPS-lantiq-convert-falcon-to-clkdev-api.patch
+++ /dev/null
@@ -1,235 +0,0 @@
-From c87a0c58116b2b2d8ccee9bb64df652b563307c4 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Thu, 8 Mar 2012 11:19:11 +0100
-Subject: [PATCH 23/70] MIPS: lantiq: convert falcon to clkdev api
-
-Unify sysctrl/clock code and add clkdev hooks to sysctrl.c
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- .../include/asm/mach-lantiq/falcon/lantiq_soc.h | 8 +-
- arch/mips/lantiq/falcon/Makefile | 2 +-
- arch/mips/lantiq/falcon/sysctrl.c | 129 ++++++++++++--------
- 3 files changed, 80 insertions(+), 59 deletions(-)
-
---- a/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
-+++ b/arch/mips/include/asm/mach-lantiq/falcon/lantiq_soc.h
-@@ -95,6 +95,7 @@
-
- /* Activation Status Register */
- #define ACTS_ASC1_ACT 0x00000800
-+#define ACTS_I2C_ACT 0x00004000
- #define ACTS_P0 0x00010000
- #define ACTS_P1 0x00010000
- #define ACTS_P2 0x00020000
-@@ -106,13 +107,6 @@
- #define ACTS_PADCTRL3 0x00200000
- #define ACTS_PADCTRL4 0x00400000
-
--extern void ltq_sysctl_activate(int module, unsigned int mask);
--extern void ltq_sysctl_deactivate(int module, unsigned int mask);
--extern void ltq_sysctl_clken(int module, unsigned int mask);
--extern void ltq_sysctl_clkdis(int module, unsigned int mask);
--extern void ltq_sysctl_reboot(int module, unsigned int mask);
--extern int ltq_gpe_is_activated(unsigned int mask);
--
- /* global register ranges */
- extern __iomem void *ltq_ebu_membase;
- extern __iomem void *ltq_sys1_membase;
---- a/arch/mips/lantiq/falcon/Makefile
-+++ b/arch/mips/lantiq/falcon/Makefile
-@@ -1,2 +1,2 @@
--obj-y := clk.o prom.o reset.o sysctrl.o devices.o gpio.o
-+obj-y := prom.o reset.o sysctrl.o devices.o gpio.o
- obj-$(CONFIG_LANTIQ_MACH_EASY98000) += mach-easy98000.o
---- a/arch/mips/lantiq/falcon/sysctrl.c
-+++ b/arch/mips/lantiq/falcon/sysctrl.c
-@@ -9,11 +9,13 @@
-
- #include <linux/ioport.h>
- #include <linux/export.h>
-+#include <linux/clkdev.h>
- #include <asm/delay.h>
-
- #include <lantiq_soc.h>
-
- #include "devices.h"
-+#include "../clk.h"
-
- /* infrastructure control register */
- #define SYS1_INFRAC 0x00bc
-@@ -38,6 +40,10 @@
- #define LTQ_SYSCTL_DEACT 0x0028
- /* reboot Register */
- #define LTQ_SYSCTL_RBT 0x002c
-+/* CPU0 Clock Control Register */
-+#define LTQ_SYS1_CPU0CC 0x0040
-+/* clock divider bit */
-+#define LTQ_CPU0CC_CPUDIV 0x0001
-
- static struct resource ltq_sysctl_res[] = {
- MEM_RES("sys1", LTQ_SYS1_BASE_ADDR, LTQ_SYS1_SIZE),
-@@ -64,79 +70,67 @@ void __iomem *ltq_ebu_membase;
- #define ltq_status_r32(x) ltq_r32(ltq_status_membase + (x))
-
- static inline void
--ltq_sysctl_wait(int module, unsigned int mask,
-+ltq_sysctl_wait(struct clk *clk,
- unsigned int test, unsigned int reg)
- {
- int err = 1000000;
-
-- do {} while (--err && ((ltq_reg_r32(module, reg)
-- & mask) != test));
-+ do {} while (--err && ((ltq_reg_r32(clk->module, reg)
-+ & clk->bits) != test));
- if (!err)
-- pr_err("module de/activation failed %d %08X %08X\n",
-- module, mask, test);
-+ pr_err("module de/activation failed %d %08X %08X %08X\n",
-+ clk->module, clk->bits, test,
-+ ltq_reg_r32(clk->module, reg) & clk->bits);
- }
-
--void
--ltq_sysctl_activate(int module, unsigned int mask)
--{
-- if (module > SYSCTL_SYSGPE)
-- return;
--
-- ltq_reg_w32(module, mask, LTQ_SYSCTL_CLKEN);
-- ltq_reg_w32(module, mask, LTQ_SYSCTL_ACT);
-- ltq_sysctl_wait(module, mask, mask, LTQ_SYSCTL_ACTS);
-+static int
-+ltq_sysctl_activate(struct clk *clk)
-+{
-+ ltq_reg_w32(clk->module, clk->bits, LTQ_SYSCTL_CLKEN);
-+ ltq_reg_w32(clk->module, clk->bits, LTQ_SYSCTL_ACT);
-+ ltq_sysctl_wait(clk, clk->bits, LTQ_SYSCTL_ACTS);
-+ return 0;
- }
--EXPORT_SYMBOL(ltq_sysctl_activate);
-
--void
--ltq_sysctl_deactivate(int module, unsigned int mask)
-+static void
-+ltq_sysctl_deactivate(struct clk *clk)
- {
-- if (module > SYSCTL_SYSGPE)
-- return;
--
-- ltq_reg_w32(module, mask, LTQ_SYSCTL_CLKCLR);
-- ltq_reg_w32(module, mask, LTQ_SYSCTL_DEACT);
-- ltq_sysctl_wait(module, mask, 0, LTQ_SYSCTL_ACTS);
-+ ltq_reg_w32(clk->module, clk->bits, LTQ_SYSCTL_CLKCLR);
-+ ltq_reg_w32(clk->module, clk->bits, LTQ_SYSCTL_DEACT);
-+ ltq_sysctl_wait(clk, 0, LTQ_SYSCTL_ACTS);
- }
--EXPORT_SYMBOL(ltq_sysctl_deactivate);
-
--void
--ltq_sysctl_clken(int module, unsigned int mask)
-+static int
-+ltq_sysctl_clken(struct clk *clk)
- {
-- if (module > SYSCTL_SYSGPE)
-- return;
--
-- ltq_reg_w32(module, mask, LTQ_SYSCTL_CLKEN);
-- ltq_sysctl_wait(module, mask, mask, LTQ_SYSCTL_CLKS);
-+ ltq_reg_w32(clk->module, clk->bits, LTQ_SYSCTL_CLKEN);
-+ ltq_sysctl_wait(clk, clk->bits, LTQ_SYSCTL_CLKS);
-+ return 0;
- }
--EXPORT_SYMBOL(ltq_sysctl_clken);
-
--void
--ltq_sysctl_clkdis(int module, unsigned int mask)
-+static void
-+ltq_sysctl_clkdis(struct clk *clk)
- {
-- if (module > SYSCTL_SYSGPE)
-- return;
--
-- ltq_reg_w32(module, mask, LTQ_SYSCTL_CLKCLR);
-- ltq_sysctl_wait(module, mask, 0, LTQ_SYSCTL_CLKS);
-+ ltq_reg_w32(clk->module, clk->bits, LTQ_SYSCTL_CLKCLR);
-+ ltq_sysctl_wait(clk, 0, LTQ_SYSCTL_CLKS);
- }
--EXPORT_SYMBOL(ltq_sysctl_clkdis);
-
--void
--ltq_sysctl_reboot(int module, unsigned int mask)
-+static void
-+ltq_sysctl_reboot(struct clk *clk)
- {
- unsigned int act;
-+ unsigned int bits;
-
-- if (module > SYSCTL_SYSGPE)
-- return;
--
-- act = ltq_reg_r32(module, LTQ_SYSCTL_ACT);
-- if ((~act & mask) != 0)
-- ltq_sysctl_activate(module, ~act & mask);
-- ltq_reg_w32(module, act & mask, LTQ_SYSCTL_RBT);
-- ltq_sysctl_wait(module, mask, mask, LTQ_SYSCTL_ACTS);
-+ act = ltq_reg_r32(clk->module, LTQ_SYSCTL_ACT);
-+ bits = ~act & clk->bits;
-+ if (bits != 0) {
-+ ltq_reg_w32(clk->module, bits, LTQ_SYSCTL_CLKEN);
-+ ltq_reg_w32(clk->module, bits, LTQ_SYSCTL_ACT);
-+ ltq_sysctl_wait(clk, bits, LTQ_SYSCTL_ACTS);
-+ }
-+ ltq_reg_w32(clk->module, act & clk->bits, LTQ_SYSCTL_RBT);
-+ ltq_sysctl_wait(clk, clk->bits, LTQ_SYSCTL_ACTS);
- }
--EXPORT_SYMBOL(ltq_sysctl_reboot);
-
- /* enable the ONU core */
- static void
-@@ -167,6 +161,24 @@ ltq_gpe_enable(void)
- udelay(1);
- }
-
-+static inline void
-+clkdev_add_sys(const char *dev, unsigned int module,
-+ unsigned int bits)
-+{
-+ struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
-+
-+ clk->cl.dev_id = dev;
-+ clk->cl.con_id = NULL;
-+ clk->cl.clk = clk;
-+ clk->module = module;
-+ clk->activate = ltq_sysctl_activate;
-+ clk->deactivate = ltq_sysctl_deactivate;
-+ clk->enable = ltq_sysctl_clken;
-+ clk->disable = ltq_sysctl_clkdis;
-+ clk->reboot = ltq_sysctl_reboot;
-+ clkdev_add(&clk->cl);
-+}
-+
- void __init
- ltq_soc_init(void)
- {
-@@ -180,4 +192,19 @@ ltq_soc_init(void)
- ltq_ebu_membase = ltq_remap_resource(&ltq_ebu_res);
-
- ltq_gpe_enable();
-+
-+ /* get our 3 static rates for cpu, fpi and io clocks */
-+ if (ltq_sys1_r32(LTQ_SYS1_CPU0CC) & LTQ_CPU0CC_CPUDIV)
-+ clkdev_add_static(CLOCK_200M, CLOCK_100M, CLOCK_200M);
-+ else
-+ clkdev_add_static(CLOCK_400M, CLOCK_100M, CLOCK_200M);
-+
-+ /* add our clock domains */
-+ clkdev_add_sys("falcon_gpio.0", SYSCTL_SYSETH, ACTS_PADCTRL0 | ACTS_P0);
-+ clkdev_add_sys("falcon_gpio.1", SYSCTL_SYS1, ACTS_PADCTRL1 | ACTS_P1);
-+ clkdev_add_sys("falcon_gpio.2", SYSCTL_SYSETH, ACTS_PADCTRL2 | ACTS_P2);
-+ clkdev_add_sys("falcon_gpio.3", SYSCTL_SYS1, ACTS_PADCTRL3 | ACTS_P3);
-+ clkdev_add_sys("falcon_gpio.4", SYSCTL_SYS1, ACTS_PADCTRL4 | ACTS_P4);
-+ clkdev_add_sys("ltq_asc.1", SYSCTL_SYS1, ACTS_ASC1_ACT);
-+ clkdev_add_sys("falcon_i2c", SYSCTL_SYS1, ACTS_I2C_ACT);
- }
generated by cgit v1.1 at 2024-11-26 14:27:50 +0000