1bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras/* 2bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras * Copyright (C) 2005 Sven Luther <sl@bplan-gmbh.de> 3bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras * Thanks to : 4bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras * Dale Farnsworth <dale@farnsworth.org> 5bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras * Mark A. Greer <mgreer@mvista.com> 6bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras * Nicolas DET <nd@bplan-gmbh.de> 7bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras * Benjamin Herrenschmidt <benh@kernel.crashing.org> 8bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras * And anyone else who helped me on this. 9bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras */ 10bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras 11bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras#include <linux/types.h> 12bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras#include <linux/init.h> 13bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras#include <linux/ioport.h> 14bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras#include <linux/device.h> 15300230dcba386153d077867d60cd24cd97d660f7Paul Mackerras#include <linux/platform_device.h> 16bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras#include <linux/mv643xx.h> 17bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras#include <linux/pci.h> 18bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras 19dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#define PEGASOS2_MARVELL_REGBASE (0xf1000000) 20dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#define PEGASOS2_MARVELL_REGSIZE (0x00004000) 21dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#define PEGASOS2_SRAM_BASE (0xf2000000) 22dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#define PEGASOS2_SRAM_SIZE (256*1024) 23dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 2410156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert#define PEGASOS2_SRAM_BASE_ETH_PORT0 (PEGASOS2_SRAM_BASE) 2510156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert#define PEGASOS2_SRAM_BASE_ETH_PORT1 (PEGASOS2_SRAM_BASE_ETH_PORT0 + (PEGASOS2_SRAM_SIZE / 2) ) 26dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 27dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 28dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#define PEGASOS2_SRAM_RXRING_SIZE (PEGASOS2_SRAM_SIZE/4) 29dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#define PEGASOS2_SRAM_TXRING_SIZE (PEGASOS2_SRAM_SIZE/4) 30dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 31dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#undef BE_VERBOSE 32dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 33bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerrasstatic struct resource mv643xx_eth_shared_resources[] = { 34bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras [0] = { 35bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .name = "ethernet shared base", 36bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .start = 0xf1000000 + MV643XX_ETH_SHARED_REGS, 37bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .end = 0xf1000000 + MV643XX_ETH_SHARED_REGS + 38bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras MV643XX_ETH_SHARED_REGS_SIZE - 1, 39bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .flags = IORESOURCE_MEM, 40bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras }, 41bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras}; 42bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras 43bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerrasstatic struct platform_device mv643xx_eth_shared_device = { 44bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .name = MV643XX_ETH_SHARED_NAME, 45bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .id = 0, 46bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .num_resources = ARRAY_SIZE(mv643xx_eth_shared_resources), 47bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .resource = mv643xx_eth_shared_resources, 48bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras}; 49bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras 50c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli/* 51c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli * The orion mdio driver only covers shared + 0x4 up to shared + 0x84 - 1 52c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli */ 53c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainellistatic struct resource mv643xx_eth_mvmdio_resources[] = { 54c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli [0] = { 55c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli .name = "ethernet mdio base", 56c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli .start = 0xf1000000 + MV643XX_ETH_SHARED_REGS + 0x4, 57c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli .end = 0xf1000000 + MV643XX_ETH_SHARED_REGS + 0x83, 58c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli .flags = IORESOURCE_MEM, 59c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli }, 60c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli}; 61c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli 62c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainellistatic struct platform_device mv643xx_eth_mvmdio_device = { 63c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli .name = "orion-mdio", 64c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli .id = -1, 65c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli .num_resources = ARRAY_SIZE(mv643xx_eth_mvmdio_resources), 66c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli .resource = mv643xx_eth_shared_resources, 67c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli}; 68c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli 6910156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubertstatic struct resource mv643xx_eth_port1_resources[] = { 70bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras [0] = { 7110156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert .name = "eth port1 irq", 72bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .start = 9, 73bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .end = 9, 74bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .flags = IORESOURCE_IRQ, 75bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras }, 76bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras}; 77bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras 7810156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubertstatic struct mv643xx_eth_platform_data eth_port1_pd = { 79fa3959f457109cc7d082b86ea6daae927982815bLennert Buytenhek .shared = &mv643xx_eth_shared_device, 8084dd619e4dc3b0b1c40dafd98c90fd950bce7bc5Dale Farnsworth .port_number = 1, 8110156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert .phy_addr = MV643XX_ETH_PHY_ADDR(7), 82fa3959f457109cc7d082b86ea6daae927982815bLennert Buytenhek 8310156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert .tx_sram_addr = PEGASOS2_SRAM_BASE_ETH_PORT1, 84dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET .tx_sram_size = PEGASOS2_SRAM_TXRING_SIZE, 85dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET .tx_queue_size = PEGASOS2_SRAM_TXRING_SIZE/16, 86dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 8710156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert .rx_sram_addr = PEGASOS2_SRAM_BASE_ETH_PORT1 + PEGASOS2_SRAM_TXRING_SIZE, 88dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET .rx_sram_size = PEGASOS2_SRAM_RXRING_SIZE, 89dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET .rx_queue_size = PEGASOS2_SRAM_RXRING_SIZE/16, 90dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET}; 91bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras 9210156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubertstatic struct platform_device eth_port1_device = { 93bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .name = MV643XX_ETH_NAME, 94bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .id = 1, 9510156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert .num_resources = ARRAY_SIZE(mv643xx_eth_port1_resources), 9610156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert .resource = mv643xx_eth_port1_resources, 97bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras .dev = { 9810156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert .platform_data = ð_port1_pd, 99bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras }, 100bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras}; 101bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras 102bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerrasstatic struct platform_device *mv643xx_eth_pd_devs[] __initdata = { 103bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras &mv643xx_eth_shared_device, 104c3a07134e6aa5b93a37f72ffa3d11fadf72bf757Florian Fainelli &mv643xx_eth_mvmdio_device, 10510156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert ð_port1_device, 106bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras}; 107bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras 108dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET/***********/ 109dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET/***********/ 110dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#define MV_READ(offset,val) { val = readl(mv643xx_reg_base + offset); } 111dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#define MV_WRITE(offset,data) writel(data, mv643xx_reg_base + offset) 112dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 113dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DETstatic void __iomem *mv643xx_reg_base; 114dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 115dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DETstatic int Enable_SRAM(void) 116dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET{ 117dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET u32 ALong; 118dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 119dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET if (mv643xx_reg_base == NULL) 120dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET mv643xx_reg_base = ioremap(PEGASOS2_MARVELL_REGBASE, 121dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET PEGASOS2_MARVELL_REGSIZE); 122dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 123dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET if (mv643xx_reg_base == NULL) 124dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET return -ENOMEM; 125dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 126dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#ifdef BE_VERBOSE 127dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET printk("Pegasos II/Marvell MV64361: register remapped from %p to %p\n", 128dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET (void *)PEGASOS2_MARVELL_REGBASE, (void *)mv643xx_reg_base); 129dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#endif 130dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 131dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET MV_WRITE(MV64340_SRAM_CONFIG, 0); 132bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras 133dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET MV_WRITE(MV64340_INTEGRATED_SRAM_BASE_ADDR, PEGASOS2_SRAM_BASE >> 16); 134dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 135dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET MV_READ(MV64340_BASE_ADDR_ENABLE, ALong); 136dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET ALong &= ~(1 << 19); 137dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET MV_WRITE(MV64340_BASE_ADDR_ENABLE, ALong); 138dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 139dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET ALong = 0x02; 140dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET ALong |= PEGASOS2_SRAM_BASE & 0xffff0000; 141dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET MV_WRITE(MV643XX_ETH_BAR_4, ALong); 142dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 143dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET MV_WRITE(MV643XX_ETH_SIZE_REG_4, (PEGASOS2_SRAM_SIZE-1) & 0xffff0000); 144dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 145dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET MV_READ(MV643XX_ETH_BASE_ADDR_ENABLE_REG, ALong); 146dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET ALong &= ~(1 << 4); 147dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET MV_WRITE(MV643XX_ETH_BASE_ADDR_ENABLE_REG, ALong); 148dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 149dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#ifdef BE_VERBOSE 150dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET printk("Pegasos II/Marvell MV64361: register unmapped\n"); 151dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET printk("Pegasos II/Marvell MV64361: SRAM at %p, size=%x\n", (void*) PEGASOS2_SRAM_BASE, PEGASOS2_SRAM_SIZE); 152dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#endif 153dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 154dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET iounmap(mv643xx_reg_base); 155dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET mv643xx_reg_base = NULL; 156dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 157dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET return 1; 158dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET} 159dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 160dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 161dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET/***********/ 162dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET/***********/ 163405861a0429113f8e426092af09dd05ec6209410Li Yangstatic int __init mv643xx_eth_add_pds(void) 164bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras{ 165bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras int ret = 0; 166bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras static struct pci_device_id pci_marvell_mv64360[] = { 167bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras { PCI_DEVICE(PCI_VENDOR_ID_MARVELL, PCI_DEVICE_ID_MARVELL_MV64360) }, 168bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras { } 169bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras }; 170bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras 171dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#ifdef BE_VERBOSE 172dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET printk("Pegasos II/Marvell MV64361: init\n"); 173dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#endif 174dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 175bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras if (pci_dev_present(pci_marvell_mv64360)) { 176dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET ret = platform_add_devices(mv643xx_eth_pd_devs, 177dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET ARRAY_SIZE(mv643xx_eth_pd_devs)); 178dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 179dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET if ( Enable_SRAM() < 0) 180dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET { 18110156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert eth_port1_pd.tx_sram_addr = 0; 18210156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert eth_port1_pd.tx_sram_size = 0; 18310156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert eth_port1_pd.rx_sram_addr = 0; 18410156ceac26b8adfd5d739a3931c8aa9d0d69d53Gabriel Paubert eth_port1_pd.rx_sram_size = 0; 185dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 186dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#ifdef BE_VERBOSE 187dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET printk("Pegasos II/Marvell MV64361: Can't enable the " 188dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET "SRAM\n"); 189dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#endif 190dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET } 191bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras } 192dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 193dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#ifdef BE_VERBOSE 194dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET printk("Pegasos II/Marvell MV64361: init is over\n"); 195dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET#endif 196dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 197bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras return ret; 198bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerras} 199dd03d25fac90ee6f394874fb4e6995866304e4baNicolas DET 200bbd0abda9cc689a54df509aae00000bbb2a1a7d1Paul Mackerrasdevice_initcall(mv643xx_eth_add_pds); 201