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authorDinh Nguyen <Dinh.Nguyen@freescale.com>2010-11-15 11:29:59 -0600
committerSascha Hauer <s.hauer@pengutronix.de>2010-11-24 10:09:04 +0100
commitc0abefd30b2c9db015df4914a95d268ecdb39b00 (patch)
tree810c6f6e8e00604a78379424a6aae2140d7fadd5 /arch/arm/mach-mx5
parent374daa4f9019f75da1addb3f31a22df1966a5baa (diff)
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ARM: imx: Add core definitions for MX53
Add iomux, clocks, and memory map for Freescale's MX53 SoC. Add cpu_is_mx53 function to common.h. Add 3 more banks of gpio's to mxc_gpio_ports. Add MX53 phys offset address. Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx5')
-rw-r--r--arch/arm/mach-mx5/Makefile2
-rw-r--r--arch/arm/mach-mx5/clock-mx51-mx53.c (renamed from arch/arm/mach-mx5/clock-mx51.c)59
-rw-r--r--arch/arm/mach-mx5/cpu.c43
-rw-r--r--arch/arm/mach-mx5/crm_regs.h6
-rw-r--r--arch/arm/mach-mx5/devices.c27
-rw-r--r--arch/arm/mach-mx5/mm.c17
6 files changed, 129 insertions, 25 deletions
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
index 462f177eddfe..026cd850df28 100644
--- a/arch/arm/mach-mx5/Makefile
+++ b/arch/arm/mach-mx5/Makefile
@@ -3,7 +3,7 @@
#
# Object file lists.
-obj-y := cpu.o mm.o clock-mx51.o devices.o
+obj-y := cpu.o mm.o clock-mx51-mx53.o devices.o
obj-$(CONFIG_CPU_FREQ_IMX) += cpu_op-mx51.o
obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index 8ac36d882927..ca4f9d58cfeb 100644
--- a/arch/arm/mach-mx5/clock-mx51.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -33,6 +33,7 @@ static struct clk pll1_main_clk;
static struct clk pll1_sw_clk;
static struct clk pll2_sw_clk;
static struct clk pll3_sw_clk;
+static struct clk mx53_pll4_sw_clk;
static struct clk lp_apm_clk;
static struct clk periph_apm_clk;
static struct clk ahb_clk;
@@ -131,6 +132,8 @@ static inline void __iomem *_get_pll_base(struct clk *pll)
return MX51_DPLL2_BASE;
else if (pll == &pll3_sw_clk)
return MX51_DPLL3_BASE;
+ else if (pll == &mx53_pll4_sw_clk)
+ return MX53_DPLL4_BASE;
else
BUG();
@@ -514,7 +517,10 @@ static int _clk_max_enable(struct clk *clk)
/* Handshake with MAX when LPM is entered. */
reg = __raw_readl(MXC_CCM_CLPCR);
- reg &= ~MXC_CCM_CLPCR_BYPASS_MAX_LPM_HS;
+ if (cpu_is_mx51())
+ reg &= ~MX51_CCM_CLPCR_BYPASS_MAX_LPM_HS;
+ else if (cpu_is_mx53())
+ reg &= ~MX53_CCM_CLPCR_BYPASS_MAX_LPM_HS;
__raw_writel(reg, MXC_CCM_CLPCR);
return 0;
@@ -528,7 +534,10 @@ static void _clk_max_disable(struct clk *clk)
/* No Handshake with MAX when LPM is entered as its disabled. */
reg = __raw_readl(MXC_CCM_CLPCR);
- reg |= MXC_CCM_CLPCR_BYPASS_MAX_LPM_HS;
+ if (cpu_is_mx51())
+ reg |= MX51_CCM_CLPCR_BYPASS_MAX_LPM_HS;
+ else if (cpu_is_mx53())
+ reg &= ~MX53_CCM_CLPCR_BYPASS_MAX_LPM_HS;
__raw_writel(reg, MXC_CCM_CLPCR);
}
@@ -739,6 +748,14 @@ static struct clk pll3_sw_clk = {
.disable = _clk_pll_disable,
};
+/* PLL4 SW supplies to LVDS Display Bridge(LDB) */
+static struct clk mx53_pll4_sw_clk = {
+ .parent = &osc_clk,
+ .set_rate = _clk_pll_set_rate,
+ .enable = _clk_pll_enable,
+ .disable = _clk_pll_disable,
+};
+
/* Low-power Audio Playback Mode clock */
static struct clk lp_apm_clk = {
.parent = &osc_clk,
@@ -1053,7 +1070,7 @@ DEFINE_CLOCK_MAX(esdhc2_clk, 1, MXC_CCM_CCGR3, MXC_CCM_CCGRx_CG3_OFFSET,
.clk = &c, \
},
-static struct clk_lookup lookups[] = {
+static struct clk_lookup mx51_lookups[] = {
_REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
_REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
_REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
@@ -1084,6 +1101,14 @@ static struct clk_lookup lookups[] = {
_REGISTER_CLOCK(NULL, "cpu_clk", cpu_clk)
};
+static struct clk_lookup mx53_lookups[] = {
+ _REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
+ _REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
+ _REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
+ _REGISTER_CLOCK(NULL, "gpt", gpt_clk)
+ _REGISTER_CLOCK("fec.0", NULL, fec_clk)
+};
+
static void clk_tree_init(void)
{
u32 reg;
@@ -1114,8 +1139,8 @@ int __init mx51_clocks_init(unsigned long ckil, unsigned long osc,
ckih2_reference = ckih2;
oscillator_reference = osc;
- for (i = 0; i < ARRAY_SIZE(lookups); i++)
- clkdev_add(&lookups[i]);
+ for (i = 0; i < ARRAY_SIZE(mx51_lookups); i++)
+ clkdev_add(&mx51_lookups[i]);
clk_tree_init();
@@ -1138,3 +1163,27 @@ int __init mx51_clocks_init(unsigned long ckil, unsigned long osc,
MX51_MXC_INT_GPT);
return 0;
}
+
+int __init mx53_clocks_init(unsigned long ckil, unsigned long osc,
+ unsigned long ckih1, unsigned long ckih2)
+{
+ int i;
+
+ external_low_reference = ckil;
+ external_high_reference = ckih1;
+ ckih2_reference = ckih2;
+ oscillator_reference = osc;
+
+ for (i = 0; i < ARRAY_SIZE(mx53_lookups); i++)
+ clkdev_add(&mx53_lookups[i]);
+
+ clk_tree_init();
+
+ clk_enable(&cpu_clk);
+ clk_enable(&main_bus_clk);
+
+ /* System timer */
+ mxc_timer_init(&gpt_clk, MX53_IO_ADDRESS(MX53_GPT1_BASE_ADDR),
+ MX53_INT_GPT);
+ return 0;
+}
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
index 061ab701b6d9..8c9a29e322dc 100644
--- a/arch/arm/mach-mx5/cpu.c
+++ b/arch/arm/mach-mx5/cpu.c
@@ -97,24 +97,31 @@ static int __init post_cpu_init(void)
unsigned int reg;
void __iomem *base;
- if (!cpu_is_mx51())
- return 0;
-
- base = MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR);
- __raw_writel(0x0, base + 0x40);
- __raw_writel(0x0, base + 0x44);
- __raw_writel(0x0, base + 0x48);
- __raw_writel(0x0, base + 0x4C);
- reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
- __raw_writel(reg, base + 0x50);
-
- base = MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR);
- __raw_writel(0x0, base + 0x40);
- __raw_writel(0x0, base + 0x44);
- __raw_writel(0x0, base + 0x48);
- __raw_writel(0x0, base + 0x4C);
- reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
- __raw_writel(reg, base + 0x50);
+ if (cpu_is_mx51() || cpu_is_mx53()) {
+ if (cpu_is_mx51())
+ base = MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR);
+ else
+ base = MX53_IO_ADDRESS(MX53_AIPS1_BASE_ADDR);
+
+ __raw_writel(0x0, base + 0x40);
+ __raw_writel(0x0, base + 0x44);
+ __raw_writel(0x0, base + 0x48);
+ __raw_writel(0x0, base + 0x4C);
+ reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
+ __raw_writel(reg, base + 0x50);
+
+ if (cpu_is_mx51())
+ base = MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR);
+ else
+ base = MX53_IO_ADDRESS(MX53_AIPS2_BASE_ADDR);
+
+ __raw_writel(0x0, base + 0x40);
+ __raw_writel(0x0, base + 0x44);
+ __raw_writel(0x0, base + 0x48);
+ __raw_writel(0x0, base + 0x4C);
+ reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
+ __raw_writel(reg, base + 0x50);
+ }
return 0;
}
diff --git a/arch/arm/mach-mx5/crm_regs.h b/arch/arm/mach-mx5/crm_regs.h
index c776b9af0624..51ff9bb02379 100644
--- a/arch/arm/mach-mx5/crm_regs.h
+++ b/arch/arm/mach-mx5/crm_regs.h
@@ -18,6 +18,9 @@
#define MX51_CORTEXA8_BASE MX51_IO_ADDRESS(MX51_ARM_BASE_ADDR)
#define MX51_GPC_BASE MX51_IO_ADDRESS(MX51_GPC_BASE_ADDR)
+/*MX53*/
+#define MX53_DPLL4_BASE MX53_IO_ADDRESS(MX53_PLL3_BASE_ADDR)
+
/* PLL Register Offsets */
#define MXC_PLL_DP_CTL 0x00
#define MXC_PLL_DP_CONFIG 0x04
@@ -380,7 +383,8 @@
/* Define the bits in register CLPCR */
#define MXC_CCM_CLPCR_BYPASS_HSC_LPM_HS (0x1 << 23)
#define MXC_CCM_CLPCR_BYPASS_SCC_LPM_HS (0x1 << 22)
-#define MXC_CCM_CLPCR_BYPASS_MAX_LPM_HS (0x1 << 21)
+#define MX51_CCM_CLPCR_BYPASS_MAX_LPM_HS (0x1 << 21)
+#define MX53_CCM_CLPCR_BYPASS_MAX_LPM_HS (0x1 << 25)
#define MXC_CCM_CLPCR_BYPASS_SDMA_LPM_HS (0x1 << 20)
#define MXC_CCM_CLPCR_BYPASS_EMI_LPM_HS (0x1 << 19)
#define MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS (0x1 << 18)
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
index 4c7be87a7c9d..d926203023ec 100644
--- a/arch/arm/mach-mx5/devices.c
+++ b/arch/arm/mach-mx5/devices.c
@@ -160,9 +160,36 @@ static struct mxc_gpio_port mxc_gpio_ports[] = {
.irq_high = MX51_MXC_INT_GPIO4_HIGH,
.virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 3
},
+ {
+ .chip.label = "gpio-4",
+ .base = MX53_IO_ADDRESS(MX53_GPIO5_BASE_ADDR),
+ .irq = MX53_INT_GPIO5_LOW,
+ .irq_high = MX53_INT_GPIO5_HIGH,
+ .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 4
+ },
+ {
+ .chip.label = "gpio-5",
+ .base = MX53_IO_ADDRESS(MX53_GPIO6_BASE_ADDR),
+ .irq = MX53_INT_GPIO6_LOW,
+ .irq_high = MX53_INT_GPIO6_HIGH,
+ .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 5
+ },
+ {
+ .chip.label = "gpio-6",
+ .base = MX53_IO_ADDRESS(MX53_GPIO7_BASE_ADDR),
+ .irq = MX53_INT_GPIO7_LOW,
+ .irq_high = MX53_INT_GPIO7_HIGH,
+ .virtual_irq_start = MXC_GPIO_IRQ_START + 32 * 6
+ },
};
int __init imx51_register_gpios(void)
{
+ return mxc_gpio_init(mxc_gpio_ports, 4);
+}
+
+int __init imx53_register_gpios(void)
+{
return mxc_gpio_init(mxc_gpio_ports, ARRAY_SIZE(mxc_gpio_ports));
}
+
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
index 01dff26c1007..2822d0e6f23a 100644
--- a/arch/arm/mach-mx5/mm.c
+++ b/arch/arm/mach-mx5/mm.c
@@ -63,3 +63,20 @@ void __init mx51_init_irq(void)
tzic_init_irq(tzic_virt);
imx51_register_gpios();
}
+
+int imx53_register_gpios(void);
+
+void __init mx53_init_irq(void)
+{
+ unsigned long tzic_addr;
+ void __iomem *tzic_virt;
+
+ tzic_addr = MX53_TZIC_BASE_ADDR;
+
+ tzic_virt = ioremap(tzic_addr, SZ_16K);
+ if (!tzic_virt)
+ panic("unable to map TZIC interrupt controller\n");
+
+ tzic_init_irq(tzic_virt);
+ imx53_register_gpios();
+}