realtek: add support for the RTL8390 and RTL9300 SoC IRQs
This adds support for the RTL8390 and RTL9300 SoCs it also cleans up unnecessary definitions in mach-rtl83xx.h and moves definitions relevant for irq routing to irq.h Signed-off-by: Birger Koblitz <git@birger-koblitz.de>
This commit is contained in:
Birger Koblitz
Petr Štetiar
parent
cb39602399
commit
03c79ca269
@ -101,8 +101,8 @@
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clock-frequency = <200000000>;
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interrupt-parent = <&cpuintc>;
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interrupts = <3>;
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interrupt-parent = <&intc>;
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interrupts = <31>;
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reg-io-width = <1>;
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reg-shift = <2>;
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@ -180,9 +180,8 @@
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switch0: switch@bb000000 {
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status = "okay";
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interrupt-parent = <&cpuintc>;
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interrupts = <4>;
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interrupt-parent = <&intc>;
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interrupts = <20>;
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compatible = "realtek,rtl83xx-switch";
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};
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@ -34,6 +34,9 @@
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#define UART1_CASCADE 1
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#define TC0_CASCADE 5
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#define TC1_CASCADE 1
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#define TC2_CASCADE 1
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#define TC3_CASCADE 1
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#define TC4_CASCADE 1
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#define OCPTO_CASCADE 1
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#define HLXTO_CASCADE 1
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#define SLXTO_CASCADE 1
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@ -44,6 +47,7 @@
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#define SWCORE_CASCADE 3
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#define WDT_IP1_CASCADE 4
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#define WDT_IP2_CASCADE 5
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#define USB_H2_CASCADE 1
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/* Pack cascade map into interrupt routing registers */
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#define RTL83XX_IRR0_SETTING (\
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@ -63,4 +67,27 @@
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#define RTL83XX_IRR2_SETTING 0
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#define RTL83XX_IRR3_SETTING 0
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/* On the RTL8390 there is no GPIO_EFGH and RTC IRQ */
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#define RTL8390_IRR1_SETTING (\
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(GPIO_ABCD_CASCADE << 28) | \
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(SWCORE_CASCADE << 16))
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/* The RTL9300 has a different external IRQ numbering scheme */
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#define RTL9300_IRR0_SETTING (\
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(UART1_CASCADE << 28) | \
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(UART0_CASCADE << 24) | \
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(USB_H2_CASCADE << 16) | \
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(NIC_CASCADE << 0))
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#define RTL9300_IRR1_SETTING (\
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(SWCORE_CASCADE << 28))
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#define RTL9300_IRR2_SETTING (\
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(GPIO_ABCD_CASCADE << 20) | \
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(TC4_CASCADE << 12) | \
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(TC3_CASCADE << 8) | \
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(TC2_CASCADE << 4) | \
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(TC1_CASCADE << 0))
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#define RTL9300_IRR3_SETTING (\
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(TC0_CASCADE << 28) | \
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(WDT_IP1_CASCADE << 20))
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#endif /* _RTL83XX_IRQ_H_ */
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@ -47,20 +47,32 @@
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#define RTL838X_IRQ_ICTL_BASE (RTL838X_IRQ_CPU_BASE + RTL838X_IRQ_CPU_NUM)
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#define RTL838X_IRQ_ICTL_NUM 32
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#define RTL83XX_IRQ_UART0 31
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#define RTL83XX_IRQ_UART1 30
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#define RTL83XX_IRQ_TC0 29
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#define RTL83XX_IRQ_TC1 28
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#define RTL83XX_IRQ_OCPTO 27
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#define RTL83XX_IRQ_HLXTO 26
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#define RTL83XX_IRQ_SLXTO 25
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#define RTL83XX_IRQ_NIC 24
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#define RTL83XX_IRQ_GPIO_ABCD 23
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#define RTL83XX_IRQ_GPIO_EFGH 22
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#define RTL83XX_IRQ_RTC 21
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#define RTL83XX_IRQ_SWCORE 20
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#define RTL83XX_IRQ_WDT_IP1 19
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#define RTL83XX_IRQ_WDT_IP2 18
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#define RTL83XX_IRQ_UART0 31
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#define RTL83XX_IRQ_UART1 30
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#define RTL83XX_IRQ_TC0 29
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#define RTL83XX_IRQ_TC1 28
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#define RTL83XX_IRQ_OCPTO 27
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#define RTL83XX_IRQ_HLXTO 26
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#define RTL83XX_IRQ_SLXTO 25
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#define RTL83XX_IRQ_NIC 24
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#define RTL83XX_IRQ_GPIO_ABCD 23
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#define RTL83XX_IRQ_GPIO_EFGH 22
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#define RTL83XX_IRQ_RTC 21
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#define RTL83XX_IRQ_SWCORE 20
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#define RTL83XX_IRQ_WDT_IP1 19
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#define RTL83XX_IRQ_WDT_IP2 18
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#define RTL9300_UART1_IRQ 31
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#define RTL9300_UART0_IRQ 30
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#define RTL9300_USB_H2_IRQ 28
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#define RTL9300_NIC_IRQ 24
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#define RTL9300_SWCORE_IRQ 23
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#define RTL9300_GPIO_ABC_IRQ 13
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#define RTL9300_TC4_IRQ 11
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#define RTL9300_TC3_IRQ 10
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#define RTL9300_TC2_IRQ 9
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#define RTL9300_TC1_IRQ 8
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#define RTL9300_TC0_IRQ 7
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/*
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@ -108,32 +120,6 @@
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#define WDT_IP1_IP (1 << 19)
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#define WDT_IP2_IP (1 << 18)
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#define IRR0 (0x08)
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#define IRR0_SETTING ((UART0_RS << 28) | \
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(UART1_RS << 24) | \
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(TC0_RS << 20) | \
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(TC1_RS << 16) | \
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(OCPTO_RS << 12) | \
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(HLXTO_RS << 8) | \
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(SLXTO_RS << 4) | \
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(NIC_RS << 0) \
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)
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#define IRR1 (0x0c)
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#define IRR1_SETTING_RTL838X ((GPIO_ABCD_RS << 28) | \
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(GPIO_EFGH_RS << 24) | \
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(RTC_RS << 20) | \
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(SWCORE_RS << 16) \
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)
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#define IRR1_SETTING_RTL839X ((GPIO_ABCD_RS << 28) | \
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(SWCORE_RS << 16) \
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)
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#define IRR2 (0x10)
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#define IRR2_SETTING 0
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#define IRR3 (0x14)
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#define IRR3_SETTING 0
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/* Interrupt Routing Selection */
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#define UART0_RS 2
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@ -200,107 +186,9 @@
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#define UART1_DLM (RTL838X_UART1_BASE + 0x004)
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#define UART1_IIR (RTL838X_UART1_BASE + 0x008)
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#define UART1_FCR (RTL838X_UART1_BASE + 0x008)
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#define FCR_EN 0x01
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#define FCR_RXRST 0x02
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#define XRST 0x02
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#define FCR_TXRST 0x04
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#define TXRST 0x04
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#define FCR_DMA 0x08
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#define FCR_RTRG 0xC0
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#define CHAR_TRIGGER_01 0x00
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#define CHAR_TRIGGER_04 0x40
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#define CHAR_TRIGGER_08 0x80
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#define CHAR_TRIGGER_14 0xC0
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#define UART1_LCR (RTL838X_UART1_BASE + 0x00C)
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#define LCR_WLN 0x03
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#define CHAR_LEN_5 0x00
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#define CHAR_LEN_6 0x01
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#define CHAR_LEN_7 0x02
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#define CHAR_LEN_8 0x03
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#define LCR_STB 0x04
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#define ONE_STOP 0x00
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#define TWO_STOP 0x04
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#define LCR_PEN 0x08
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#define PARITY_ENABLE 0x01
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#define PARITY_DISABLE 0x00
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#define LCR_EPS 0x30
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#define PARITY_ODD 0x00
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#define PARITY_EVEN 0x10
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#define PARITY_MARK 0x20
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#define PARITY_SPACE 0x30
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#define LCR_BRK 0x40
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#define LCR_DLAB 0x80
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#define DLAB 0x80
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#define UART1_MCR (RTL838X_UART1_BASE + 0x010)
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#define UART1_LSR (RTL838X_UART1_BASE + 0x014)
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#define LSR_DR 0x01
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#define RxCHAR_AVAIL 0x01
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#define LSR_OE 0x02
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#define LSR_PE 0x04
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#define LSR_FE 0x08
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#define LSR_BI 0x10
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#define LSR_THRE 0x20
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#define TxCHAR_AVAIL 0x00
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#define TxCHAR_EMPTY 0x20
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#define LSR_TEMT 0x40
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#define LSR_RFE 0x80
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/*
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* Timer/counter for 8390/80/28 TC & MP chip
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*/
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#define RTL838X_TIMER0_BASE ((volatile void *)(0xb8003100UL))
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#define RTL838X_TIMER0_IRQ RTL838X_TC0_EXT_IRQ
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#define RTL8390TC_TC1DATA (RTL838X_TIMER0_BASE + 0x04)
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#define RTL8390TC_TCD_OFFSET 8
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#define RTL8390TC_TC0CNT (RTL838X_TIMER0_BASE + 0x08)
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#define RTL8390TC_TC1CNT (RTL838X_TIMER0_BASE + 0x0C)
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#define RTL8390TC_TCCNR (RTL838X_TIMER0_BASE + 0x10)
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#define RTL8390TC_TC0EN (1 << 31)
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#define RTL8390TC_TC0MODE_TIMER (1 << 30)
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#define RTL8390TC_TC1EN (1 << 29)
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#define RTL8390TC_TC1MODE_TIMER (1 << 28)
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#define RTL8390TC_TCIR (RTL838X_TIMER0_BASE + 0x14)
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#define RTL8390TC_TC0IE (1 << 31)
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#define RTL8390TC_TC1IE (1 << 30)
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#define RTL8390TC_TC0IP (1 << 29)
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#define RTL8390TC_TC1IP (1 << 28)
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#define RTL8390TC_CDBR (RTL838X_TIMER0_BASE + 0x18)
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#define RTL8390TC_DIVF_OFFSET 16
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#define RTL8390TC_WDTCNR (RTL838X_TIMER0_BASE + 0x1C)
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#define RTL8390MP_TC1DATA (RTL838X_TIMER0_BASE + 0x10)
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#define RTL8390MP_TC0CNT (RTL838X_TIMER0_BASE + 0x04)
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#define RTL8390MP_TC1CNT (RTL838X_TIMER0_BASE + 0x14)
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#define RTL8390MP_TC0CTL (RTL838X_TIMER0_BASE + 0x08)
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#define RTL8390MP_TC1CTL (RTL838X_TIMER0_BASE + 0x18)
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#define RTL8390MP_TCEN (1 << 28)
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#define RTL8390MP_TCMODE_TIMER (1 << 24)
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#define RTL8390MP_TCDIV_FACTOR (0xFFFF << 0)
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#define RTL8390MP_TC0INT (RTL838X_TIMER0_BASE + 0xC)
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#define RTL8390MP_TC1INT (RTL838X_TIMER0_BASE + 0x1C)
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#define RTL8390MP_TCIE (1 << 20)
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#define RTL8390MP_TCIP (1 << 16)
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#define RTL8390MP_WDTCNR (RTL838X_TIMER0_BASE + 0x50)
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#define RTL8380MP_TC0DATA (RTL838X_TIMER0_BASE + 0x00)
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#define RTL8380MP_TC1DATA (RTL838X_TIMER0_BASE + 0x10)
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#define RTL8380MP_TC0CNT (RTL838X_TIMER0_BASE + 0x04)
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#define RTL8380MP_TC1CNT (RTL838X_TIMER0_BASE + 0x14)
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#define RTL8380MP_TC0CTL (RTL838X_TIMER0_BASE + 0x08)
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#define RTL8380MP_TC1CTL (RTL838X_TIMER0_BASE + 0x18)
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#define RTL8380MP_TCEN (1 << 28)
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#define RTL8380MP_TCMODE_TIMER (1 << 24)
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#define RTL8380MP_TCDIV_FACTOR (0xFFFF << 0)
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#define RTL8380MP_TC0INT (RTL838X_TIMER0_BASE + 0xC)
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#define RTL8380MP_TC1INT (RTL838X_TIMER0_BASE + 0x1C)
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#define RTL8380MP_TCIE (1 << 20)
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#define RTL8380MP_TCIP (1 << 16)
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#define RTL8380MP_WDTCNR (RTL838X_TIMER0_BASE + 0x50)
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#define DIVISOR_RTL8390 55
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#define DIVISOR_RTL8380 2500
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#define DIVISOR_MAX 16834
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/*
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* Memory Controller
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@ -328,8 +216,14 @@
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#define RTL838X_MODEL_NAME_INFO (0x00D4)
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#define RTL839X_MODEL_NAME_INFO (0x0FF0)
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#define RTL93XX_MODEL_NAME_INFO (0x0004)
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#define RTL838X_LED_GLB_CTRL (0xA000)
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#define RTL839X_LED_GLB_CTRL (0x00E4)
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#define RTL9302_LED_GLB_CTRL (0xcc00)
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#define RTL930X_LED_GLB_CTRL (0xC400)
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#define RTL931X_LED_GLB_CTRL (0x0600)
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#define RTL838X_EXT_GPIO_DIR (0xA08C)
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#define RTL839X_EXT_GPIO_DIR (0x0214)
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#define RTL838X_EXT_GPIO_DATA (0xA094)
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@ -377,8 +271,11 @@
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* Reset
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*/
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#define RGCR (0x1E70)
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#define RTL839X_RST_GLB_CTRL (0x0014)
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#define RTL838X_RST_GLB_CTRL_0 (0x003c)
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#define RTL838X_RST_GLB_CTRL_1 (0x0040)
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#define RTL839X_RST_GLB_CTRL (0x0014)
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#define RTL930X_RST_GLB_CTRL_0 (0x000c)
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#define RTL931X_RST_GLB_CTRL (0x0400)
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/* LED control by switch */
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#define RTL838X_LED_MODE_SEL (0x1004)
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@ -419,6 +316,24 @@
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#define RTL839X_PHYREG_PORT_CTRL(p) (0x03E4 + ((p >> 5) << 2))
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#define RTL839X_PHYREG_DATA_CTRL (0x03F0)
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#define RTL930X_SMI_GLB_CTRL (0xCA00)
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#define RTL930X_SMI_POLL_CTRL (0xca90)
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#define RTL930X_SMI_PORT0_15_POLLING_SEL (0xCA08)
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#define RTL930X_SMI_PORT16_27_POLLING_SEL (0xCA0C)
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#define RTL930X_SMI_PORT0_5_ADDR (0xCB80)
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#define RTL930X_SMI_ACCESS_PHY_CTRL_0 (0xCB70)
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#define RTL930X_SMI_ACCESS_PHY_CTRL_1 (0xCB74)
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#define RTL930X_SMI_ACCESS_PHY_CTRL_2 (0xCB78)
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#define RTL930X_SMI_ACCESS_PHY_CTRL_3 (0xCB7C)
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#define RTL931X_SMI_GLB_CTRL1 (0x0CBC)
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#define RTL931X_SMI_GLB_CTRL0 (0x0CC0)
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#define RTL931X_SMI_PORT_POLLING_CTRL (0x0CCC)
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#define RTL931X_SMI_INDRT_ACCESS_CTRL_0 (0x0C00)
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#define RTL931X_SMI_INDRT_ACCESS_CTRL_1 (0x0C04)
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#define RTL931X_SMI_INDRT_ACCESS_CTRL_2 (0x0C08)
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#define RTL931X_SMI_INDRT_ACCESS_CTRL_3 (0x0C10)
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/*
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* Switch interrupts
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*/
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@ -426,11 +341,22 @@
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#define RTL838X_IMR_PORT_LINK_STS_CHG (0x1104)
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#define RTL838X_ISR_GLB_SRC (0x1148)
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#define RTL838X_ISR_PORT_LINK_STS_CHG (0x114C)
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#define RTL839X_IMR_GLB (0x0064)
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#define RTL839X_IMR_PORT_LINK_STS_CHG (0x0068)
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#define RTL839X_ISR_GLB_SRC (0x009c)
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#define RTL839X_ISR_PORT_LINK_STS_CHG (0x00a0)
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#define RTL930X_IMR_GLB (0xC628)
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#define RTL930X_IMR_PORT_LINK_STS_CHG (0xC62C)
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#define RTL930X_ISR_GLB (0xC658)
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#define RTL930X_ISR_PORT_LINK_STS_CHG (0xC660)
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// IMR_GLB does not exit on RTL931X
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#define RTL931X_IMR_PORT_LINK_STS_CHG (0x126C)
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#define RTL931X_ISR_GLB_SRC (0x12B4)
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#define RTL931X_ISR_PORT_LINK_STS_CHG (0x12B8)
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/* Definition of family IDs */
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#define RTL8389_FAMILY_ID (0x8389)
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#define RTL8328_FAMILY_ID (0x8328)
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@ -438,6 +364,14 @@
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#define RTL8350_FAMILY_ID (0x8350)
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#define RTL8380_FAMILY_ID (0x8380)
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#define RTL8330_FAMILY_ID (0x8330)
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#define RTL9300_FAMILY_ID (0x9300)
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#define RTL9310_FAMILY_ID (0x9310)
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/* Basic SoC Features */
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#define RTL838X_CPU_PORT 28
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#define RTL839X_CPU_PORT 52
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#define RTL930X_CPU_PORT 28
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#define RTL931X_CPU_PORT 56
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struct rtl83xx_soc_info {
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unsigned char *name;
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@ -446,6 +380,7 @@ struct rtl83xx_soc_info {
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unsigned char *compatible;
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volatile void *sw_base;
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volatile void *icu_base;
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int cpu_port;
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};
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/* rtl83xx-related functions used across subsystems */
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@ -454,5 +389,9 @@ int rtl838x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
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int rtl838x_write_phy(u32 port, u32 page, u32 reg, u32 val);
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int rtl839x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
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int rtl839x_write_phy(u32 port, u32 page, u32 reg, u32 val);
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int rtl930x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
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int rtl930x_write_phy(u32 port, u32 page, u32 reg, u32 val);
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int rtl931x_read_phy(u32 port, u32 page, u32 reg, u32 *val);
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int rtl931x_write_phy(u32 port, u32 page, u32 reg, u32 val);
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#endif /* _MACH_RTL838X_H_ */
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@ -85,7 +85,8 @@ static const struct irq_domain_ops irq_domain_ops = {
|
||||
|
||||
static void rtl838x_irq_dispatch(struct irq_desc *desc)
|
||||
{
|
||||
unsigned int pending = rtl83xx_r32(REG(RTL83XX_ICTL_GIMR)) & rtl83xx_r32(REG(RTL83XX_ICTL_GISR));
|
||||
unsigned int pending = rtl83xx_r32(REG(RTL83XX_ICTL_GIMR)) &
|
||||
rtl83xx_r32(REG(RTL83XX_ICTL_GISR));
|
||||
|
||||
if (pending) {
|
||||
struct irq_domain *domain = irq_desc_get_handler_data(desc);
|
||||
@ -95,7 +96,7 @@ static void rtl838x_irq_dispatch(struct irq_desc *desc)
|
||||
}
|
||||
}
|
||||
|
||||
asmlinkage void plat_irq_dispatch(void)
|
||||
asmlinkage void plat_rtl83xx_irq_dispatch(void)
|
||||
{
|
||||
unsigned int pending;
|
||||
|
||||
@ -123,17 +124,27 @@ asmlinkage void plat_irq_dispatch(void)
|
||||
spurious_interrupt();
|
||||
}
|
||||
|
||||
static void __init icu_of_init(struct device_node *node, struct device_node *parent)
|
||||
static int icu_setup_domain(struct device_node *node)
|
||||
{
|
||||
struct irq_domain *domain;
|
||||
|
||||
domain = irq_domain_add_simple(node, 32, 0,
|
||||
&irq_domain_ops, NULL);
|
||||
irq_set_chained_handler_and_data(2, rtl838x_irq_dispatch, domain);
|
||||
irq_set_chained_handler_and_data(5, rtl838x_irq_dispatch, domain);
|
||||
irq_set_chained_handler_and_data(2, rtl838x_irq_dispatch, domain);
|
||||
irq_set_chained_handler_and_data(3, rtl838x_irq_dispatch, domain);
|
||||
irq_set_chained_handler_and_data(4, rtl838x_irq_dispatch, domain);
|
||||
irq_set_chained_handler_and_data(5, rtl838x_irq_dispatch, domain);
|
||||
|
||||
rtl83xx_ictl_base = of_iomap(node, 0);
|
||||
if (!rtl83xx_ictl_base)
|
||||
return -EINVAL;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void __init rtl8380_icu_of_init(struct device_node *node, struct device_node *parent)
|
||||
{
|
||||
if (icu_setup_domain(node))
|
||||
return;
|
||||
|
||||
/* Disable all cascaded interrupts */
|
||||
@ -155,9 +166,57 @@ static void __init icu_of_init(struct device_node *node, struct device_node *par
|
||||
rtl83xx_w32(BIT(RTL83XX_IRQ_TC0) | BIT(RTL83XX_IRQ_UART0), REG(RTL83XX_ICTL_GIMR));
|
||||
}
|
||||
|
||||
static void __init rtl8390_icu_of_init(struct device_node *node, struct device_node *parent)
|
||||
{
|
||||
if (icu_setup_domain(node))
|
||||
return;
|
||||
|
||||
/* Disable all cascaded interrupts */
|
||||
rtl83xx_w32(0, REG(RTL83XX_ICTL_GIMR));
|
||||
|
||||
/* Set up interrupt routing */
|
||||
rtl83xx_w32(RTL83XX_IRR0_SETTING, REG(RTL83XX_IRR0));
|
||||
rtl83xx_w32(RTL8390_IRR1_SETTING, REG(RTL83XX_IRR1));
|
||||
rtl83xx_w32(RTL83XX_IRR2_SETTING, REG(RTL83XX_IRR2));
|
||||
rtl83xx_w32(RTL83XX_IRR3_SETTING, REG(RTL83XX_IRR3));
|
||||
|
||||
/* Clear timer interrupt */
|
||||
write_c0_compare(0);
|
||||
|
||||
/* Enable all CPU interrupts */
|
||||
write_c0_status(read_c0_status() | ST0_IM);
|
||||
|
||||
/* Enable timer0 and uart0 interrupts */
|
||||
rtl83xx_w32(BIT(RTL83XX_IRQ_TC0) | BIT(RTL83XX_IRQ_UART0), REG(RTL83XX_ICTL_GIMR));
|
||||
}
|
||||
|
||||
static void __init rtl9300_icu_of_init(struct device_node *node, struct device_node *parent)
|
||||
{
|
||||
pr_info("RTL9300: Setting up IRQs\n");
|
||||
if (icu_setup_domain(node))
|
||||
return;
|
||||
|
||||
/* Disable all cascaded interrupts */
|
||||
rtl83xx_w32(0, REG(RTL83XX_ICTL_GIMR));
|
||||
|
||||
/* Set up interrupt routing */
|
||||
rtl83xx_w32(RTL9300_IRR0_SETTING, REG(RTL83XX_IRR0));
|
||||
rtl83xx_w32(RTL9300_IRR1_SETTING, REG(RTL83XX_IRR1));
|
||||
rtl83xx_w32(RTL9300_IRR2_SETTING, REG(RTL83XX_IRR2));
|
||||
rtl83xx_w32(RTL9300_IRR3_SETTING, REG(RTL83XX_IRR3));
|
||||
|
||||
/* Clear timer interrupt */
|
||||
write_c0_compare(0);
|
||||
|
||||
/* Enable all CPU interrupts */
|
||||
write_c0_status(read_c0_status() | ST0_IM);
|
||||
}
|
||||
|
||||
static struct of_device_id __initdata of_irq_ids[] = {
|
||||
{ .compatible = "mti,cpu-interrupt-controller", .data = mips_cpu_irq_of_init },
|
||||
{ .compatible = "realtek,rt8380-intc", .data = icu_of_init },
|
||||
{ .compatible = "realtek,rt8380-intc", .data = rtl8380_icu_of_init },
|
||||
{ .compatible = "realtek,rt8390-intc", .data = rtl8390_icu_of_init },
|
||||
{ .compatible = "realtek,rt9300-intc", .data = rtl9300_icu_of_init },
|
||||
{},
|
||||
};
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user