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-rw-r--r--target/linux/lantiq/patches-3.3/0057-MIPS-clean-up-clock-code.patch308
1 files changed, 0 insertions, 308 deletions
diff --git a/target/linux/lantiq/patches-3.3/0057-MIPS-clean-up-clock-code.patch b/target/linux/lantiq/patches-3.3/0057-MIPS-clean-up-clock-code.patch
deleted file mode 100644
index fe04f85..0000000
--- a/target/linux/lantiq/patches-3.3/0057-MIPS-clean-up-clock-code.patch
+++ /dev/null
@@ -1,308 +0,0 @@
-From 580d6aef484b22b5da88588d9a2d944b4f06dc98 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Tue, 20 Mar 2012 08:26:04 +0100
-Subject: [PATCH 57/70] MIPS: clean up clock code
-
----
- arch/mips/lantiq/clk.c | 11 +++
- arch/mips/lantiq/clk.h | 3 +-
- arch/mips/lantiq/xway/devices.c | 2 +-
- arch/mips/lantiq/xway/sysctrl.c | 166 ++++++++++++++++++++++++++++++---------
- 4 files changed, 143 insertions(+), 39 deletions(-)
-
---- a/arch/mips/lantiq/clk.c
-+++ b/arch/mips/lantiq/clk.c
-@@ -44,6 +44,7 @@ struct clk *clk_get_fpi(void)
- {
- return &cpu_clk_generic[1];
- }
-+EXPORT_SYMBOL_GPL(clk_get_fpi);
-
- struct clk *clk_get_io(void)
- {
-@@ -70,6 +71,16 @@ unsigned long clk_get_rate(struct clk *c
- }
- EXPORT_SYMBOL(clk_get_rate);
-
-+int clk_set_rate(struct clk *clk, unsigned long rate)
-+{
-+ if (unlikely(!clk_good(clk)))
-+ return 0;
-+
-+ clk->rate = rate;
-+ return 0;
-+}
-+EXPORT_SYMBOL(clk_set_rate);
-+
- int clk_enable(struct clk *clk)
- {
- if (unlikely(!clk_good(clk)))
---- a/arch/mips/lantiq/clk.h
-+++ b/arch/mips/lantiq/clk.h
-@@ -12,6 +12,7 @@
- #include <linux/clkdev.h>
-
- /* clock speeds */
-+#define CLOCK_33M 33333333
- #define CLOCK_60M 60000000
- #define CLOCK_62_5M 62500000
- #define CLOCK_83M 83333333
-@@ -38,9 +39,9 @@
- struct clk {
- struct clk_lookup cl;
- unsigned long rate;
-- unsigned long (*get_rate) (void);
- unsigned int module;
- unsigned int bits;
-+ unsigned long (*get_rate) (void);
- int (*enable) (struct clk *clk);
- void (*disable) (struct clk *clk);
- int (*activate) (struct clk *clk);
---- a/arch/mips/lantiq/xway/devices.c
-+++ b/arch/mips/lantiq/xway/devices.c
-@@ -59,7 +59,7 @@ static struct resource ltq_stp_resource
-
- void __init ltq_register_gpio_stp(void)
- {
-- platform_device_register_simple("ltq_stp", 0, &ltq_stp_resource, 1);
-+ platform_device_register_simple("ltq_stp", -1, &ltq_stp_resource, 1);
- }
-
- /* asc ports - amazon se has its own serial mapping */
---- a/arch/mips/lantiq/xway/sysctrl.c
-+++ b/arch/mips/lantiq/xway/sysctrl.c
-@@ -16,40 +16,57 @@
- #include "../devices.h"
-
- /* clock control register */
--#define LTQ_CGU_IFCCR 0x0018
-+#define CGU_IFCCR 0x0018
- /* system clock register */
--#define LTQ_CGU_SYS 0x0010
--
--/* the enable / disable registers */
--#define LTQ_PMU_PWDCR 0x1C
--#define LTQ_PMU_PWDSR 0x20
--#define LTQ_PMU_PWDCR1 0x24
--#define LTQ_PMU_PWDSR1 0x28
--
--#define PWDCR(x) ((x) ? (LTQ_PMU_PWDCR1) : (LTQ_PMU_PWDCR))
--#define PWDSR(x) ((x) ? (LTQ_PMU_PWDSR1) : (LTQ_PMU_PWDSR))
--
--/* CGU - clock generation unit */
--#define CGU_EPHY 0x10
-+#define CGU_SYS 0x0010
-+/* pci control register */
-+#define CGU_PCICR 0x0034
-+/* ephy configuration register */
-+#define CGU_EPHY 0x10
-+/* power control register */
-+#define PMU_PWDCR 0x1C
-+/* power status register */
-+#define PMU_PWDSR 0x20
-+/* power control register */
-+#define PMU_PWDCR1 0x24
-+/* power status register */
-+#define PMU_PWDSR1 0x28
-+/* power control register */
-+#define PWDCR(x) ((x) ? (PMU_PWDCR1) : (PMU_PWDCR))
-+/* power status register */
-+#define PWDSR(x) ((x) ? (PMU_PWDSR1) : (PMU_PWDSR))
-
- /* PMU - power management unit */
--#define PMU_DMA 0x0020
--#define PMU_SPI 0x0100
--#define PMU_EPHY 0x0080
--#define PMU_USB 0x8041
--#define PMU_STP 0x0800
--#define PMU_GPT 0x1000
--#define PMU_PPE 0x2000
--#define PMU_FPI 0x4000
--#define PMU_SWITCH 0x10000000
--#define PMU_AHBS 0x2000
--#define PMU_AHBM 0x8000
--#define PMU_PCIE_CLK 0x80000000
--
--#define PMU1_PCIE_PHY 0x0001
--#define PMU1_PCIE_CTL 0x0002
--#define PMU1_PCIE_MSI 0x0020
--#define PMU1_PCIE_PDI 0x0010
-+#define PMU_USB0_P BIT(0)
-+#define PMU_PCI BIT(4)
-+#define PMU_DMA BIT(5)
-+#define PMU_USB0 BIT(5)
-+#define PMU_SPI BIT(8)
-+#define PMU_EPHY BIT(7)
-+#define PMU_EBU BIT(10)
-+#define PMU_STP BIT(11)
-+#define PMU_GPT BIT(12)
-+#define PMU_PPE BIT(13)
-+#define PMU_AHBS BIT(13) /* vr9 */
-+#define PMU_FPI BIT(14)
-+#define PMU_AHBM BIT(15)
-+#define PMU_PPE_QSB BIT(18)
-+#define PMU_PPE_SLL01 BIT(19)
-+#define PMU_PPE_TC BIT(21)
-+#define PMU_PPE_EMA BIT(22)
-+#define PMU_PPE_DPLUM BIT(23)
-+#define PMU_PPE_DPLUS BIT(24)
-+#define PMU_USB1_P BIT(26)
-+#define PMU_USB1 BIT(27)
-+#define PMU_SWITCH BIT(28)
-+#define PMU_PPE_TOP BIT(29)
-+#define PMU_GPHY BIT(30)
-+#define PMU_PCIE_CLK BIT(31)
-+
-+#define PMU1_PCIE_PHY BIT(0)
-+#define PMU1_PCIE_CTL BIT(1)
-+#define PMU1_PCIE_PDI BIT(4)
-+#define PMU1_PCIE_MSI BIT(5)
-
- #define ltq_pmu_w32(x, y) ltq_w32((x), ltq_pmu_membase + (y))
- #define ltq_pmu_r32(x) ltq_r32(ltq_pmu_membase + (x))
-@@ -69,13 +86,13 @@ static void __iomem *ltq_pmu_membase;
-
- static int ltq_cgu_enable(struct clk *clk)
- {
-- ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | clk->bits, LTQ_CGU_IFCCR);
-+ ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) | clk->bits, CGU_IFCCR);
- return 0;
- }
-
- static void ltq_cgu_disable(struct clk *clk)
- {
-- ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~clk->bits, LTQ_CGU_IFCCR);
-+ ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) & ~clk->bits, CGU_IFCCR);
- }
-
- static int ltq_pmu_enable(struct clk *clk)
-@@ -94,9 +111,49 @@ static int ltq_pmu_enable(struct clk *cl
-
- static void ltq_pmu_disable(struct clk *clk)
- {
-- ltq_pmu_w32(ltq_pmu_r32(LTQ_PMU_PWDCR) | clk->bits, LTQ_PMU_PWDCR);
-+ ltq_pmu_w32(ltq_pmu_r32(PWDCR(clk->module)) | clk->bits,
-+ PWDCR(clk->module));
- }
-
-+static int ltq_pci_enable(struct clk *clk)
-+{
-+ unsigned int ifccr = ltq_cgu_r32(CGU_IFCCR);
-+ /* set clock bus speed */
-+ if (ltq_is_ar9()) {
-+ ifccr &= ~0x1f00000;
-+ if (clk->rate == CLOCK_33M)
-+ ifccr |= 0xe00000;
-+ else
-+ ifccr |= 0x700000; /* 62.5M */
-+ } else {
-+ ifccr &= ~0xf00000;
-+ if (clk->rate == CLOCK_33M)
-+ ifccr |= 0x800000;
-+ else
-+ ifccr |= 0x400000; /* 62.5M */
-+ }
-+ ltq_cgu_w32(ifccr, CGU_IFCCR);
-+ return 0;
-+}
-+
-+static int ltq_pci_ext_enable(struct clk *clk)
-+{
-+ /* enable external pci clock */
-+ ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) & ~(1 << 16),
-+ CGU_IFCCR);
-+ ltq_cgu_w32((1 << 30), CGU_PCICR);
-+ return 0;
-+}
-+
-+static void ltq_pci_ext_disable(struct clk *clk)
-+{
-+ /* enable external pci clock */
-+ ltq_cgu_w32(ltq_cgu_r32(CGU_IFCCR) | (1 << 16),
-+ CGU_IFCCR);
-+ ltq_cgu_w32((1 << 31) | (1 << 30), CGU_PCICR);
-+}
-+
-+/* manage the clock gates via PMU */
- static inline void clkdev_add_pmu(const char *dev, const char *con,
- unsigned int module, unsigned int bits)
- {
-@@ -112,6 +169,7 @@ static inline void clkdev_add_pmu(const
- clkdev_add(&clk->cl);
- }
-
-+/* manage the clock generator */
- static inline void clkdev_add_cgu(const char *dev, const char *con,
- unsigned int bits)
- {
-@@ -126,6 +184,33 @@ static inline void clkdev_add_cgu(const
- clkdev_add(&clk->cl);
- }
-
-+/* pci needs its own enable function */
-+static inline void clkdev_add_pci(void)
-+{
-+ struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
-+ struct clk *clk_ext = kzalloc(sizeof(struct clk), GFP_KERNEL);
-+
-+ /* main pci clock */
-+ clk->cl.dev_id = "ltq_pci";
-+ clk->cl.con_id = NULL;
-+ clk->cl.clk = clk;
-+ clk->rate = CLOCK_33M;
-+ clk->enable = ltq_pci_enable;
-+ clk->disable = ltq_pmu_disable;
-+ clk->module = 0;
-+ clk->bits = PMU_PCI;
-+ clkdev_add(&clk->cl);
-+
-+ /* use internal/external bus clock */
-+ clk_ext->cl.dev_id = "ltq_pci";
-+ clk_ext->cl.con_id = "external";
-+ clk_ext->cl.clk = clk_ext;
-+ clk_ext->enable = ltq_pci_ext_enable;
-+ clk_ext->disable = ltq_pci_ext_disable;
-+ clkdev_add(&clk_ext->cl);
-+
-+}
-+
- void __init ltq_soc_init(void)
- {
- ltq_pmu_membase = ltq_remap_resource(&ltq_pmu_resource);
-@@ -144,14 +229,16 @@ void __init ltq_soc_init(void)
- ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_BUSCON0) & ~EBU_WRDIS, LTQ_EBU_BUSCON0);
-
- /* add our clocks */
-+ clkdev_add_pmu("ltq_fpi", NULL, 0, PMU_FPI);
- clkdev_add_pmu("ltq_dma", NULL, 0, PMU_DMA);
- clkdev_add_pmu("ltq_stp", NULL, 0, PMU_STP);
- clkdev_add_pmu("ltq_spi", NULL, 0, PMU_SPI);
- clkdev_add_pmu("ltq_gptu", NULL, 0, PMU_GPT);
-+ clkdev_add_pmu("ltq_ebu", NULL, 0, PMU_EBU);
- if (!ltq_is_vr9())
- clkdev_add_pmu("ltq_etop", NULL, 0, PMU_PPE);
- if (ltq_is_ase()) {
-- if (ltq_cgu_r32(LTQ_CGU_SYS) & (1 << 5))
-+ if (ltq_cgu_r32(CGU_SYS) & (1 << 5))
- clkdev_add_static(CLOCK_266M, CLOCK_133M, CLOCK_133M);
- else
- clkdev_add_static(CLOCK_133M, CLOCK_133M, CLOCK_133M);
-@@ -166,11 +253,16 @@ void __init ltq_soc_init(void)
- clkdev_add_pmu("ltq_pcie", "pdi", 1, PMU1_PCIE_PDI);
- clkdev_add_pmu("ltq_pcie", "ctl", 1, PMU1_PCIE_CTL);
- clkdev_add_pmu("ltq_pcie", "ahb", 0, PMU_AHBM | PMU_AHBS);
-- clkdev_add_pmu("usb0", NULL, 0, (1<<6) | 1);
-- clkdev_add_pmu("usb1", NULL, 0, (1<<26) | (1<<27));
-+ clkdev_add_pmu("usb0", NULL, 0, PMU_USB0 | PMU_USB0_P);
-+ clkdev_add_pmu("usb1", NULL, 0, PMU_USB1 | PMU_USB1_P);
-+ clkdev_add_pmu("ltq_vrx200", NULL, 0,
-+ PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM |
-+ PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 |
-+ PMU_PPE_QSB);
- } else {
- clkdev_add_static(ltq_danube_cpu_hz(), ltq_danube_fpi_hz(),
- ltq_danube_io_region_clock());
-+ clkdev_add_pci();
- if (ltq_is_ar9())
- clkdev_add_pmu("ltq_etop", "switch", 0, PMU_SWITCH);
- }
generated by cgit v1.1 at 2024-11-26 14:28:49 +0000