Re: [PATCH] 83xx: add support for the kmeter1 board.
From: Kumar Gala <hidden>
Date: 2009-04-23 14:25:39
quoted hunk ↗ jump to hunk
diff --git a/arch/powerpc/boot/dts/kmeter1.dts b/arch/powerpc/boot/dts/kmeter1.dts new file mode 100644 index 0000000..4f343ca--- /dev/null +++ b/arch/powerpc/boot/dts/kmeter1.dts@@ -0,0 +1,518 @@ +/* + * Keymile KMETER1 Device Tree Source + * + * 2008 DENX Software Engineering GmbH + * + * This program is free software; you can redistribute it and/ormodify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + + +/* +/memreserve/ 00000000 1000000; +*/
is this needed for something?
+
+/dts-v1/;
+
+/ {
+ model = "KMETER1";
+ compatible = "keymile,KMETER1";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ aliases {
+ ethernet0 = &enet_piggy2;
+ ethernet1 = &enet_estar1;
+ ethernet2 = &enet_estar2;
+ ethernet3 = &enet_eth1;
+ ethernet4 = &enet_eth2;
+ ethernet5 = &enet_eth3;
+ ethernet6 = &enet_eth4;
+ serial0 = &serial0;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ PowerPC,8360@0 {
+ device_type = "cpu";
+ reg = <0x0>;
+ d-cache-line-size = <32>; // 32 bytes
+ i-cache-line-size = <32>; // 32 bytes
+ d-cache-size = <32768>; // L1, 32K
+ i-cache-size = <32768>; // L1, 32K
+ timebase-frequency = <66000000>;
+ bus-frequency = <264000000>;
+ clock-frequency = <528000000>;is the board running at a fixed frequency that isn't possible to change?
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x10000000>;
+ };does u-boot not set this? Also is the amount of memory fixed?
+
+ soc8360@e0000000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ device_type = "soc";
+ compatible = "simple-bus";
+ ranges = <0x0 0xe0000000 0x00100000>;
+ reg = <0xe0000000 0x00000200>;
+ bus-frequency = <264000000>;
+
+ i2c@3000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ cell-index = <0>;
+ compatible = "fsl-i2c";
+ reg = <0x3000 0x100>;
+ interrupts = <14 0x8>;
+ interrupt-parent = <&ipic>;
+ dfsrr;
+ };
+
+ serial0: serial@4500 {
+ cell-index = <0>;
+ device_type = "serial";
+ compatible = "ns16550";
+ reg = <0x4500 0x100>;
+ clock-frequency = <264000000>;
+ interrupts = <9 0x8>;
+ interrupt-parent = <&ipic>;
+ };
+
+ dma@82a8 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,mpc8360-dma", "fsl,elo-dma";
+ reg = <0x82a8 4>;
+ ranges = <0 0x8100 0x1a8>;
+ interrupt-parent = <&ipic>;
+ interrupts = <71 8>;
+ cell-index = <0>;
+ dma-channel@0 {
+ compatible = "fsl,mpc8360-dma-channel", "fsl,elo-dma-channel";
+ reg = <0 0x80>;
+ interrupt-parent = <&ipic>;
+ interrupts = <71 8>;
+ };
+ dma-channel@80 {
+ compatible = "fsl,mpc8360-dma-channel", "fsl,elo-dma-channel";
+ reg = <0x80 0x80>;
+ interrupt-parent = <&ipic>;
+ interrupts = <71 8>;
+ };
+ dma-channel@100 {
+ compatible = "fsl,mpc8360-dma-channel", "fsl,elo-dma-channel";
+ reg = <0x100 0x80>;
+ interrupt-parent = <&ipic>;
+ interrupts = <71 8>;
+ };
+ dma-channel@180 {
+ compatible = "fsl,mpc8360-dma-channel", "fsl,elo-dma-channel";
+ reg = <0x180 0x28>;
+ interrupt-parent = <&ipic>;
+ interrupts = <71 8>;
+ };
+ };
+
+ ipic: pic@700 {
+ #address-cells = <0>;
+ #interrupt-cells = <2>;
+ compatible = "fsl,pq2pro-pic", "fsl,ipic";
+ interrupt-controller;
+ reg = <0x700 0x100>;
+ device_type = "ipic";
+ };
+
+ par_io@1400 {
+ reg = <0x1400 0x100>;
+ device_type = "par_io";
+ num-ports = <7>;
+
+ pio_ucc1: ucc_pin@00 {
+ pio-map = <
+ /* port pin dir open_drain assignment has_irq */
+ 0 1 3 0 2 0 /* MDIO */
+ 0 2 1 0 1 0 /* MDC */
+
+ 0 3 1 0 1 0 /* TxD0 */
+ 0 4 1 0 1 0 /* TxD1 */
+ 0 5 1 0 1 0 /* TxD2 */
+ 0 6 1 0 1 0 /* TxD3 */
+ 0 9 2 0 1 0 /* RxD0 */
+ 0 10 2 0 1 0 /* RxD1 */
+ 0 11 2 0 1 0 /* RxD2 */
+ 0 12 2 0 1 0 /* RxD3 */
+ 0 7 1 0 1 0 /* TX_EN */
+ 0 8 1 0 1 0 /* TX_ER */
+ 0 15 2 0 1 0 /* RX_DV */
+ 0 16 2 0 1 0 /* RX_ER */
+ 0 0 2 0 1 0 /* RX_CLK */
+ 2 9 1 0 3 0 /* GTX_CLK - CLK10 */
+ 2 8 2 0 1 0 /* GTX125 - CLK9 */
+ >;
+ };
+
+ pio_ucc2: ucc_pin@01 {
+ pio-map = <
+ /* port pin dir open_drain assignment has_irq */
+ 0 1 3 0 2 0 /* MDIO */
+ 0 2 1 0 1 0 /* MDC */
+
+ 0 17 1 0 1 0 /* TxD0 */
+ 0 18 1 0 1 0 /* TxD1 */
+ 0 19 1 0 1 0 /* TxD2 */
+ 0 20 1 0 1 0 /* TxD3 */
+ 0 23 2 0 1 0 /* RxD0 */
+ 0 24 2 0 1 0 /* RxD1 */
+ 0 25 2 0 1 0 /* RxD2 */
+ 0 26 2 0 1 0 /* RxD3 */
+ 0 21 1 0 1 0 /* TX_EN */
+ 0 22 1 0 1 0 /* TX_ER */
+ 0 29 2 0 1 0 /* RX_DV */
+ 0 30 2 0 1 0 /* RX_ER */
+ 0 31 2 0 1 0 /* RX_CLK */
+ 2 2 1 0 2 0 /* GTX_CLK - CLK3 */
+ 2 3 2 0 1 0 /* GTX125 - CLK4 */
+ >;
+ };
+
+ pio_ucc4: ucc_pin@03 {
+ pio-map = <
+ /* port pin dir open_drain assignment has_irq */
+ 0 1 3 0 2 0 /* MDIO */
+ 0 2 1 0 1 0 /* MDC */
+
+ 1 14 1 0 1 0 /* TxD0 (PB14, out, f1) */
+ 1 15 1 0 1 0 /* TxD1 (PB15, out, f1) */
+ 1 20 2 0 1 0 /* RxD0 (PB20, in, f1) */
+ 1 21 2 0 1 0 /* RxD1 (PB21, in, f1) */
+ 1 18 1 0 1 0 /* TX_EN (PB18, out, f1) */
+ 1 26 2 0 1 0 /* RX_DV (PB26, in, f1) */
+ 1 27 2 0 1 0 /* RX_ER (PB27, in, f1) */
+
+ 2 16 2 0 1 0 /* UCC4_RMII_CLK (CLK17) */
+ >;
+ };
+
+ pio_ucc5: ucc_pin@04 {
+ pio-map = <
+ /* port pin dir open_drain assignment has_irq */
+ 0 1 3 0 2 0 /* MDIO */
+ 0 2 1 0 1 0 /* MDC */
+
+ 3 0 1 0 1 0 /* TxD0 (PD0, out, f1) */
+ 3 1 1 0 1 0 /* TxD1 (PD1, out, f1) */
+ 3 6 2 0 1 0 /* RxD0 (PD6, in, f1) */
+ 3 7 2 0 1 0 /* RxD1 (PD7, in, f1) */
+ 3 4 1 0 1 0 /* TX_EN (PD4, out, f1) */
+ 3 12 2 0 1 0 /* RX_DV (PD12, in, f1) */
+ 3 13 2 0 1 0 /* RX_ER (PD13, in, f1) */
+ >;
+ };
+
+ pio_ucc6: ucc_pin@05 {
+ pio-map = <
+ /* port pin dir open_drain assignment has_irq */
+ 0 1 3 0 2 0 /* MDIO */
+ 0 2 1 0 1 0 /* MDC */
+
+ 3 14 1 0 1 0 /* TxD0 (PD14, out, f1) */
+ 3 15 1 0 1 0 /* TxD1 (PD15, out, f1) */
+ 3 20 2 0 1 0 /* RxD0 (PD20, in, f1) */
+ 3 21 2 0 1 0 /* RxD1 (PD21, in, f1) */
+ 3 18 1 0 1 0 /* TX_EN (PD18, out, f1) */
+ 3 26 2 0 1 0 /* RX_DV (PD26, in, f1) */
+ 3 27 2 0 1 0 /* RX_ER (PD27, in, f1) */
+ >;
+ };
+
+ pio_ucc7: ucc_pin@06 {
+ pio-map = <
+ /* port pin dir open_drain assignment has_irq */
+ 0 1 3 0 2 0 /* MDIO */
+ 0 2 1 0 1 0 /* MDC */
+
+ 4 0 1 0 1 0 /* TxD0 (PE0, out, f1) */
+ 4 1 1 0 1 0 /* TxD1 (PE1, out, f1) */
+ 4 6 2 0 1 0 /* RxD0 (PE6, in, f1) */
+ 4 7 2 0 1 0 /* RxD1 (PE7, in, f1) */
+ 4 4 1 0 1 0 /* TX_EN (PE4, out, f1) */
+ 4 12 2 0 1 0 /* RX_DV (PE12, in, f1) */
+ 4 13 2 0 1 0 /* RX_ER (PE13, in, f1) */
+ >;
+ };
+
+ pio_ucc8: ucc_pin@07 {
+ pio-map = <
+ /* port pin dir open_drain assignment has_irq */
+ 0 1 3 0 2 0 /* MDIO */
+ 0 2 1 0 1 0 /* MDC */
+
+ 4 14 1 0 2 0 /* TxD0 (PE14, out, f2) */
+ 4 15 1 0 1 0 /* TxD1 (PE15, out, f1) */
+ 4 20 2 0 1 0 /* RxD0 (PE20, in, f1) */
+ 4 21 2 0 1 0 /* RxD1 (PE21, in, f1) */
+ 4 18 1 0 1 0 /* TX_EN (PE18, out, f1) */
+ 4 26 2 0 1 0 /* RX_DV (PE26, in, f1) */
+ 4 27 2 0 1 0 /* RX_ER (PE27, in, f1) */
+
+ 2 15 2 0 1 0 /* UCCx_RMII_CLK (CLK16) */
+ >;
+ };
+
+ };
+ };
+
+ qe@e0100000 {why isn't this under the SOC?
+ #address-cells = <1>;
+ #size-cells = <1>;
+ device_type = "qe";
+ compatible = "fsl,qe";
+ ranges = <0x0 0xe0100000 0x00100000>;
+ reg = <0xe0100000 0x480>;
+ brg-frequency = <0>;
+ bus-frequency = <396000000>;
+
+ muram@10000 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "fsl,qe-muram", "fsl,cpm-muram";
+ ranges = <0x0 0x00010000 0x0000c000>;
+
+ data-only@0 {
+ compatible = "fsl,qe-muram-data",
+ "fsl,cpm-muram-data";
+ reg = <0x0 0xc000>;
+ };
+ };
+
+ /* ESTAR-1 (UCC1, MDIO 0x10, RGMII) */
+ enet_estar1: ucc@2000 {
+ device_type = "network";
+ compatible = "ucc_geth";
+ cell-index = <1>;
+ reg = <0x2000 0x200>;
+ interrupts = <32>;
+ interrupt-parent = <&qeic>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ rx-clock-name = "none";
+ tx-clock-name = "clk9";
+ phy-handle = <&phy_estar1>;
+ phy-connection-type = "rgmii-id";
+ pio-handle = <&pio_ucc1>;
+ };
+
+ /* ESTAR-2 (UCC2, MDIO 0x11, RGMII) */
+ enet_estar2: ucc@3000 {
+ device_type = "network";
+ compatible = "ucc_geth";
+ cell-index = <2>;
+ reg = <0x3000 0x200>;
+ interrupts = <33>;
+ interrupt-parent = <&qeic>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ rx-clock-name = "none";
+ tx-clock-name = "clk4";
+ phy-handle = <&phy_estar2>;
+ phy-connection-type = "rgmii-id";
+ pio-handle = <&pio_ucc2>;
+ };
+
+ /* Piggy2 (UCC4, MDIO 0x00, RMII) */
+ enet_piggy2: ucc@3200 {
+ device_type = "network";
+ compatible = "ucc_geth";
+ cell-index = <4>;
+ reg = <0x3200 0x200>;
+ interrupts = <35>;
+ interrupt-parent = <&qeic>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ rx-clock-name = "none";
+ tx-clock-name = "clk17";
+ phy-handle = <&phy_piggy2>;
+ phy-connection-type = "rmii";
+ pio-handle = <&pio_ucc4>;
+ };
+
+ /* Eth-1 (UCC5, MDIO 0x08, RMII) */
+ enet_eth1: ucc@2400 {
+ device_type = "network";
+ compatible = "ucc_geth";
+ cell-index = <5>;
+ reg = <0x2400 0x200>;
+ interrupts = <40>;
+ interrupt-parent = <&qeic>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ rx-clock-name = "none";
+ tx-clock-name = "clk16";
+ phy-handle = <&phy_eth1>;
+ phy-connection-type = "rmii";
+ pio-handle = <&pio_ucc5>;
+ };
+
+ /* Eth-2 (UCC6, MDIO 0x09, RMII) */
+ enet_eth2: ucc@3400 {
+ device_type = "network";
+ compatible = "ucc_geth";
+ cell-index = <6>;
+ reg = <0x3400 0x200>;
+ interrupts = <41>;
+ interrupt-parent = <&qeic>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ rx-clock-name = "none";
+ tx-clock-name = "clk16";
+ phy-handle = <&phy_eth2>;
+ phy-connection-type = "rmii";
+ pio-handle = <&pio_ucc6>;
+ };
+
+ /* Eth-3 (UCC7, MDIO 0x0a, RMII) */
+ enet_eth3: ucc@2600 {
+ device_type = "network";
+ compatible = "ucc_geth";
+ cell-index = <7>;
+ reg = <0x2600 0x200>;
+ interrupts = <42>;
+ interrupt-parent = <&qeic>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ rx-clock-name = "none";
+ tx-clock-name = "clk16";
+ phy-handle = <&phy_eth3>;
+ phy-connection-type = "rmii";
+ pio-handle = <&pio_ucc7>;
+ };
+
+ /* Eth-4 (UCC8, MDIO 0x0b, RMII) */
+ enet_eth4: ucc@3600 {
+ device_type = "network";
+ compatible = "ucc_geth";
+ cell-index = <8>;
+ reg = <0x3600 0x200>;
+ interrupts = <43>;
+ interrupt-parent = <&qeic>;
+ local-mac-address = [ 00 00 00 00 00 00 ];
+ rx-clock-name = "none";
+ tx-clock-name = "clk16";
+ phy-handle = <&phy_eth4>;
+ phy-connection-type = "rmii";
+ pio-handle = <&pio_ucc8>;
+ };
+
+ mdio@3320 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0x3320 0x18>;
+ compatible = "fsl,ucc-mdio";
+
+ /* Piggy2 (UCC4, MDIO 0x00, RMII) */
+ phy_piggy2: ethernet-phy@00 {
+ reg = <0x0>;
+ device_type = "ethernet-phy";
+ };
+
+ /* Eth-1 (UCC5, MDIO 0x08, RMII) */
+ phy_eth1: ethernet-phy@08 {
+ reg = <0x08>;
+ device_type = "ethernet-phy";
+ };
+
+ /* Eth-2 (UCC6, MDIO 0x09, RMII) */
+ phy_eth2: ethernet-phy@09 {
+ reg = <0x09>;
+ device_type = "ethernet-phy";
+ };
+
+ /* Eth-3 (UCC7, MDIO 0x0a, RMII) */
+ phy_eth3: ethernet-phy@0a {
+ reg = <0x0a>;
+ device_type = "ethernet-phy";
+ };
+
+ /* Eth-4 (UCC8, MDIO 0x0b, RMII) */
+ phy_eth4: ethernet-phy@0b {
+ reg = <0x0b>;
+ device_type = "ethernet-phy";
+ };
+
+ /* ESTAR-1 (UCC1, MDIO 0x10, RGMII) */
+ phy_estar1: ethernet-phy@10 {
+ interrupt-parent = <&ipic>;
+ interrupts = <17 0x8>;
+ reg = <0x10>;
+ device_type = "ethernet-phy";
+ };
+
+ /* ESTAR-2 (UCC2, MDIO 0x11, RGMII) */
+ phy_estar2: ethernet-phy@11 {
+ interrupt-parent = <&ipic>;
+ interrupts = <18 0x8>;
+ reg = <0x11>;
+ device_type = "ethernet-phy";
+ };
+ };
+
+ qeic: interrupt-controller@80 {
+ interrupt-controller;
+ compatible = "fsl,qe-ic";
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ reg = <0x80 0x80>;
+ big-endian;seems unnecessary .. the qe is only big-endian.
+ interrupts = <32 8 33 8>; + interrupt-parent = <&ipic>; + }; + };
quoted hunk ↗ jump to hunk
diff --git a/arch/powerpc/platforms/83xx/kmeter1.c b/arch/powerpc/platforms/83xx/kmeter1.c new file mode 100644 index 0000000..99cf5c6--- /dev/null +++ b/arch/powerpc/platforms/83xx/kmeter1.c@@ -0,0 +1,170 @@ +/* + * Copyright 2008 DENX Software Engineering GmbH + * Author: Heiko Schocher <hs@denx.de> + * + * Description: + * Keymile KMETER1 board specific routines. + * + * This program is free software; you can redistribute it and/ormodify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/stddef.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/errno.h> +#include <linux/reboot.h> +#include <linux/pci.h> +#include <linux/kdev_t.h> +#include <linux/major.h> +#include <linux/console.h> +#include <linux/delay.h> +#include <linux/seq_file.h> +#include <linux/root_dev.h> +#include <linux/initrd.h> +#include <linux/of_platform.h> +#include <linux/of_device.h> + +#include <asm/system.h> +#include <asm/atomic.h> +#include <asm/time.h> +#include <asm/io.h> +#include <asm/machdep.h> +#include <asm/ipic.h> +#include <asm/irq.h> +#include <asm/prom.h> +#include <asm/udbg.h> +#include <sysdev/fsl_soc.h> +#include <sysdev/fsl_pci.h> +#include <asm/qe.h> +#include <asm/qe_ic.h> + +#include "mpc83xx.h" + +/* ************************************************************************ + * + * Setup the architecture + * + */ +static void __init kmeter1_setup_arch(void) +{ + struct device_node *np; + + if (ppc_md.progress) + ppc_md.progress("kmeter1_setup_arch()", 0); + +#ifdef CONFIG_PCI + for_each_compatible_node(np, "pci", "fsl,mpc8349-pci") + mpc83xx_add_bridge(np); +#endif + +#ifdef CONFIG_QUICC_ENGINE + qe_reset(); + + np = of_find_node_by_name(NULL, "par_io"); + if (np != NULL) { + par_io_init(np); + of_node_put(np); + + for (np = NULL; (np = of_find_node_by_name(np, "ucc")) != NULL;) + par_io_of_config(np); + } + + np = of_find_compatible_node(NULL, "network", "ucc_geth"); + if (np != NULL) { + uint svid; + + /* handle mpc8360ea rev.2.1 erratum 2: RGMII Timing */ + svid = mfspr(SPRN_SVR); + if (svid == 0x80480021) { + void __iomem *immap; + + immap = ioremap(get_immrbase() + 0x14a8, 8);
we should add a proper device node to cover whatever register space this is.
+ + /* + * IMMR + 0x14A8[4:5] = 11 (clk delay for UCC 2) + * IMMR + 0x14A8[18:19] = 11 (clk delay for UCC 1) + */ + setbits32(immap, 0x0c003000); + + /* + * IMMR + 0x14AC[20:27] = 10101010 + * (data delay for both UCC's) + */ + clrsetbits_be32(immap + 4, 0xff0, 0xaa0); + iounmap(immap); + } + of_node_put(np); + } +#endif /* CONFIG_QUICC_ENGINE */ +} +