| 1 | #include <linux/device.h> |
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| 2 | #include <linux/platform_device.h> |
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| 3 | #include <linux/kernel.h> |
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| 4 | #include <linux/init.h> |
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| 5 | #include <linux/resource.h> |
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| 6 | |
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| 7 | #include <linux/console.h> |
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| 8 | #include <asm/serial.h> |
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| 9 | |
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| 10 | #include <linux/tty.h> |
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| 11 | #include <linux/serial_core.h> |
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| 12 | #include <linux/serial.h> |
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| 13 | #include <linux/serial_8250.h> |
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| 14 | |
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| 15 | #include <asm/mach-ar7240/ar7240.h> |
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| 16 | #include <asm/mach-ar71xx/ar71xx.h> |
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| 17 | #include "nvram.h" |
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| 18 | #include "devices.h" |
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| 19 | #include <asm/mach-ar71xx/ar933x_uart_platform.h> |
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| 20 | |
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| 21 | void serial_print(char *fmt, ...); |
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| 22 | |
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| 23 | #ifdef CONFIG_WASP_SUPPORT |
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| 24 | extern uint32_t ath_ref_clk_freq; |
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| 25 | #else |
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| 26 | extern uint32_t ar7240_ahb_freq; |
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| 27 | #endif |
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| 28 | |
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| 29 | /* |
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| 30 | * OHCI (USB full speed host controller) |
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| 31 | */ |
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| 32 | static struct resource ar7240_usb_ohci_resources[] = { |
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| 33 | [0] = { |
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| 34 | .start = AR7240_USB_OHCI_BASE, |
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| 35 | .end = AR7240_USB_OHCI_BASE + AR7240_USB_WINDOW - 1, |
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| 36 | .flags = IORESOURCE_MEM, |
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| 37 | }, |
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| 38 | [1] = { |
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| 39 | .start = AR7240_CPU_IRQ_USB, |
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| 40 | .end = AR7240_CPU_IRQ_USB, |
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| 41 | .flags = IORESOURCE_IRQ, |
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| 42 | }, |
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| 43 | }; |
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| 44 | |
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| 45 | /* |
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| 46 | * The dmamask must be set for OHCI to work |
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| 47 | */ |
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| 48 | static u64 ohci_dmamask = ~(u32)0; |
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| 49 | static struct platform_device ar7240_usb_ohci_device = { |
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| 50 | .name = "ar7240-ohci", |
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| 51 | .id = 0, |
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| 52 | .dev = { |
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| 53 | .dma_mask = &ohci_dmamask, |
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| 54 | .coherent_dma_mask = 0xffffffff, |
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| 55 | }, |
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| 56 | .num_resources = ARRAY_SIZE(ar7240_usb_ohci_resources), |
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| 57 | .resource = ar7240_usb_ohci_resources, |
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| 58 | }; |
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| 59 | |
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| 60 | /* |
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| 61 | * EHCI (USB full speed host controller) |
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| 62 | */ |
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| 63 | static struct resource ar7240_usb_ehci_resources[] = { |
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| 64 | [0] = { |
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| 65 | .start = AR7240_USB_EHCI_BASE, |
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| 66 | .end = AR7240_USB_EHCI_BASE + AR7240_USB_WINDOW - 1, |
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| 67 | .flags = IORESOURCE_MEM, |
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| 68 | }, |
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| 69 | [1] = { |
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| 70 | .start = AR7240_CPU_IRQ_USB, |
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| 71 | .end = AR7240_CPU_IRQ_USB, |
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| 72 | .flags = IORESOURCE_IRQ, |
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| 73 | }, |
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| 74 | }; |
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| 75 | |
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| 76 | /* |
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| 77 | * The dmamask must be set for EHCI to work |
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| 78 | */ |
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| 79 | static u64 ehci_dmamask = ~(u32)0; |
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| 80 | |
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| 81 | static struct platform_device ar7240_usb_ehci_device = { |
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| 82 | .name = "ar71xx-ehci", |
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| 83 | .id = 0, |
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| 84 | .dev = { |
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| 85 | .dma_mask = &ehci_dmamask, |
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| 86 | .coherent_dma_mask = 0xffffffff, |
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| 87 | }, |
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| 88 | .num_resources = ARRAY_SIZE(ar7240_usb_ehci_resources), |
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| 89 | .resource = ar7240_usb_ehci_resources, |
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| 90 | }; |
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| 91 | |
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| 92 | |
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| 93 | |
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| 94 | static struct resource ar7240_uart_resources[] = { |
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| 95 | { |
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| 96 | .start = AR7240_UART_BASE, |
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| 97 | .end = AR7240_UART_BASE+0x0fff, |
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| 98 | .flags = IORESOURCE_MEM, |
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| 99 | }, |
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| 100 | }; |
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| 101 | |
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| 102 | #define AR71XX_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP) |
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| 103 | |
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| 104 | static struct plat_serial8250_port ar7240_uart_data[] = { |
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| 105 | { |
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| 106 | .mapbase = AR7240_UART_BASE, |
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| 107 | .irq = AR7240_MISC_IRQ_UART, |
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| 108 | .flags = AR71XX_UART_FLAGS, |
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| 109 | .iotype = UPIO_MEM32, |
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| 110 | .regshift = 2, |
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| 111 | .uartclk = 0, /* ar7240_ahb_freq, */ |
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| 112 | }, |
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| 113 | { }, |
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| 114 | }; |
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| 115 | |
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| 116 | static struct platform_device ar7240_uart = { |
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| 117 | .name = "serial8250", |
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| 118 | .id = 0, |
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| 119 | .dev.platform_data = ar7240_uart_data, |
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| 120 | .num_resources = 1, |
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| 121 | .resource = ar7240_uart_resources |
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| 122 | |
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| 123 | }; |
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| 124 | |
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| 125 | |
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| 126 | static struct resource ar933x_uart_resources[] = { |
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| 127 | { |
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| 128 | .start = AR933X_UART_BASE, |
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| 129 | .end = AR933X_UART_BASE + AR71XX_UART_SIZE - 1, |
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| 130 | .flags = IORESOURCE_MEM, |
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| 131 | }, |
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| 132 | { |
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| 133 | .start = AR7240_MISC_IRQ_UART, |
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| 134 | .end = AR7240_MISC_IRQ_UART, |
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| 135 | .flags = IORESOURCE_IRQ, |
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| 136 | }, |
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| 137 | }; |
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| 138 | |
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| 139 | static struct ar933x_uart_platform_data ar933x_uart_data; |
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| 140 | static struct platform_device ar933x_uart_device = { |
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| 141 | .name = "ar933x-uart", |
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| 142 | .id = -1, |
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| 143 | .resource = ar933x_uart_resources, |
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| 144 | .num_resources = ARRAY_SIZE(ar933x_uart_resources), |
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| 145 | .dev = { |
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| 146 | .platform_data = &ar933x_uart_data, |
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| 147 | }, |
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| 148 | }; |
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| 149 | |
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| 150 | static struct resource ath_uart_resources[] = { |
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| 151 | { |
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| 152 | .start = AR933X_UART_BASE, |
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| 153 | .end = AR933X_UART_BASE + 0x0fff, |
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| 154 | .flags = IORESOURCE_MEM, |
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| 155 | }, |
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| 156 | }; |
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| 157 | |
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| 158 | static struct plat_serial8250_port ath_uart_data[] = { |
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| 159 | { |
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| 160 | .mapbase = (u32) KSEG1ADDR(AR933X_UART_BASE), |
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| 161 | .membase = (void __iomem *)((u32) (KSEG1ADDR(AR933X_UART_BASE))), |
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| 162 | .irq = AR7240_MISC_IRQ_UART, |
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| 163 | .flags = (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST), |
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| 164 | .iotype = UPIO_MEM32, |
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| 165 | .regshift = 2, |
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| 166 | .uartclk = 0, /* ath_ahb_freq, */ |
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| 167 | }, |
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| 168 | {}, |
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| 169 | }; |
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| 170 | |
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| 171 | static struct platform_device ath_uart = { |
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| 172 | .name = "serial8250", |
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| 173 | .id = 0, |
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| 174 | .dev.platform_data = ath_uart_data, |
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| 175 | .num_resources = 1, |
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| 176 | .resource = ath_uart_resources |
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| 177 | }; |
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| 178 | |
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| 179 | |
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| 180 | |
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| 181 | static struct platform_device *ar7241_platform_devices[] __initdata = { |
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| 182 | &ar7240_usb_ehci_device |
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| 183 | }; |
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| 184 | |
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| 185 | static struct platform_device *ar7240_platform_devices[] __initdata = { |
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| 186 | &ar7240_usb_ohci_device |
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| 187 | }; |
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| 188 | |
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| 189 | static struct platform_device *ar724x_platform_devices[] __initdata = { |
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| 190 | #ifdef CONFIG_MACH_HORNET |
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| 191 | &ar933x_uart_device, |
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| 192 | &ath_uart |
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| 193 | #else |
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| 194 | &ar7240_uart |
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| 195 | #endif |
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| 196 | }; |
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| 197 | |
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| 198 | extern __init ap91_pci_init(u8 *cal_data, u8 *mac_addr); |
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| 199 | void ar9xxx_add_device_wmac(u8 *cal_data, u8 *mac_addr) __init; |
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| 200 | |
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| 201 | static void *getCalData(int slot) |
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| 202 | { |
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| 203 | u8 *base; |
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| 204 | for (base=(u8 *) KSEG1ADDR(0x1f000000);base<KSEG1ADDR (0x1ffff000);base+=0x1000) { |
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| 205 | u32 *cal = (u32 *)base; |
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| 206 | if (*cal==0xa55a0000 || *cal==0x5aa50000) { //protection bit is always zero on inflash devices, so we can use for match it |
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| 207 | if (slot) { |
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| 208 | base+=0x4000; |
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| 209 | } |
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| 210 | printk(KERN_INFO "found calibration data for slot %d on 0x%08X\n",slot,base); |
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| 211 | return base; |
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| 212 | } |
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| 213 | } |
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| 214 | return NULL; |
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| 215 | } |
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| 216 | |
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| 217 | enum ar71xx_soc_type ar71xx_soc; |
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| 218 | EXPORT_SYMBOL_GPL(ar71xx_soc); |
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| 219 | |
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| 220 | int __init ar7240_platform_init(void) |
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| 221 | { |
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| 222 | int ret; |
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| 223 | void *ee; |
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| 224 | #ifdef CONFIG_WR741 |
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| 225 | u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00); |
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| 226 | #else |
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| 227 | u8 *mac = NULL;//(u8 *) KSEG1ADDR(0x1fff0000); |
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| 228 | #endif |
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| 229 | |
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| 230 | #if defined(CONFIG_AR7242_RTL8309G_PHY) || defined(CONFIG_DIR615E) |
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| 231 | #ifdef CONFIG_DIR615E |
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| 232 | const char *config = (char *) KSEG1ADDR(0x1f030000); |
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| 233 | #else |
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| 234 | const char *config = (char *) KSEG1ADDR(0x1f040000); |
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| 235 | #endif |
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| 236 | u8 wlan_mac[6]; |
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| 237 | if (nvram_parse_mac_addr(config, 0x10000,"lan_mac=", wlan_mac) == 0) { |
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| 238 | mac = wlan_mac; |
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| 239 | } |
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| 240 | #endif |
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| 241 | |
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| 242 | |
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| 243 | |
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| 244 | /* need to set clock appropriately */ |
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| 245 | #ifdef CONFIG_MACH_HORNET |
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| 246 | |
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| 247 | ath_uart_data[0].uartclk = ar71xx_ref_freq; |
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| 248 | ar933x_uart_data.uartclk = ar71xx_ref_freq; |
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| 249 | #endif |
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| 250 | |
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| 251 | #ifdef CONFIG_WASP_SUPPORT |
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| 252 | ar7240_uart_data[0].uartclk = ath_ref_clk_freq; |
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| 253 | #else |
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| 254 | ar7240_uart_data[0].uartclk = ar7240_ahb_freq; |
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| 255 | #endif |
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| 256 | #ifdef CONFIG_WASP_SUPPORT |
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| 257 | |
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| 258 | #define DB120_MAC0_OFFSET 0 |
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| 259 | #define DB120_MAC1_OFFSET 6 |
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| 260 | u8 *art = (u8 *) KSEG1ADDR(0x1fff0000); |
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| 261 | |
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| 262 | void __iomem *base; |
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| 263 | u32 t; |
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| 264 | |
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| 265 | /* base = ioremap(AR934X_GMAC_BASE, AR934X_GMAC_SIZE); |
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| 266 | |
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| 267 | t = __raw_readl(base + AR934X_GMAC_REG_ETH_CFG); |
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| 268 | t &= ~(AR934X_ETH_CFG_GMII_GMAC0 | AR934X_ETH_CFG_MII_GMAC0 | |
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| 269 | AR934X_ETH_CFG_MII_GMAC0 | AR934X_ETH_CFG_SW_ONLY_MODE); |
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| 270 | __raw_writel(t, base + AR934X_GMAC_REG_ETH_CFG); |
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| 271 | |
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| 272 | iounmap(base); |
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| 273 | */ |
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| 274 | |
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| 275 | ar71xx_add_device_mdio(0, 0x0); |
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| 276 | ar71xx_add_device_mdio(1, 0x0); |
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| 277 | |
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| 278 | ar71xx_init_mac(ar71xx_eth0_data.mac_addr, art + DB120_MAC0_OFFSET, 0); |
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| 279 | ar71xx_switch_data.phy4_mii_en = 1; |
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| 280 | |
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| 281 | |
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| 282 | ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; |
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| 283 | ar71xx_eth0_data.speed = SPEED_1000; |
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| 284 | ar71xx_eth0_data.duplex = DUPLEX_FULL; |
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| 285 | |
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| 286 | ar71xx_add_device_eth(0); |
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| 287 | |
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| 288 | /* GMAC1 is connected to the internal switch */ |
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| 289 | /* ar71xx_init_mac(ar71xx_eth1_data.mac_addr, art + DB120_MAC1_OFFSET, 0); |
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| 290 | ar71xx_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII; |
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| 291 | ar71xx_eth1_data.speed = SPEED_1000; |
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| 292 | ar71xx_eth1_data.duplex = DUPLEX_FULL; |
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| 293 | |
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| 294 | ar71xx_add_device_eth(1); |
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| 295 | */ |
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| 296 | |
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| 297 | #endif |
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| 298 | |
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| 299 | |
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| 300 | ret = platform_add_devices(ar724x_platform_devices, |
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| 301 | ARRAY_SIZE(ar724x_platform_devices)); |
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| 302 | |
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| 303 | if (ret < 0) |
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| 304 | return ret; |
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| 305 | |
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| 306 | if (is_ar7241() || is_ar7242() || is_ar933x() || is_ar934x()) { |
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| 307 | ret = platform_add_devices(ar7241_platform_devices, |
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| 308 | ARRAY_SIZE(ar7241_platform_devices)); |
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| 309 | } |
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| 310 | if (is_ar7240()) { |
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| 311 | ret = platform_add_devices(ar7240_platform_devices, |
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| 312 | ARRAY_SIZE(ar7240_platform_devices)); |
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| 313 | } |
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| 314 | |
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| 315 | #ifdef CONFIG_MACH_HORNET |
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| 316 | ee = (u8 *) KSEG1ADDR(0x1fff1000); |
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| 317 | ar9xxx_add_device_wmac(ee, NULL); |
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| 318 | #elif CONFIG_WASP_SUPPORT |
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| 319 | ee = (u8 *) KSEG1ADDR(0x1fff1000); |
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| 320 | ar9xxx_add_device_wmac(ee, NULL); |
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| 321 | ap91_pci_init(NULL, NULL); |
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| 322 | #else |
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| 323 | ee = getCalData(0); |
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| 324 | if (ee) |
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| 325 | mac = ((u8 *)ee)-0x1000; |
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| 326 | ap91_pci_init(ee, mac); |
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| 327 | #endif |
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| 328 | return ret; |
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| 329 | } |
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| 330 | |
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| 331 | arch_initcall(ar7240_platform_init); |
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| 332 | |
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