1ff80aa57SRussell King /* 2ff80aa57SRussell King * drivers/pcmcia/sa1100_jornada720.c 3ff80aa57SRussell King * 4ff80aa57SRussell King * Jornada720 PCMCIA specific routines 5ff80aa57SRussell King * 6ff80aa57SRussell King */ 7ff80aa57SRussell King #include <linux/module.h> 8ff80aa57SRussell King #include <linux/kernel.h> 9ff80aa57SRussell King #include <linux/device.h> 10ff80aa57SRussell King #include <linux/errno.h> 11ff80aa57SRussell King #include <linux/init.h> 1258409f9dSArnd Bergmann #include <linux/io.h> 13ff80aa57SRussell King 14ff80aa57SRussell King #include <mach/hardware.h> 15ff80aa57SRussell King #include <asm/hardware/sa1111.h> 16ff80aa57SRussell King #include <asm/mach-types.h> 17ff80aa57SRussell King 18ff80aa57SRussell King #include "sa1111_generic.h" 19ff80aa57SRussell King 20ff80aa57SRussell King /* Does SOCKET1_3V actually do anything? */ 21ff80aa57SRussell King #define SOCKET0_POWER GPIO_GPIO0 22ff80aa57SRussell King #define SOCKET0_3V GPIO_GPIO2 23ff80aa57SRussell King #define SOCKET1_POWER (GPIO_GPIO1 | GPIO_GPIO3) 24ff80aa57SRussell King #define SOCKET1_3V GPIO_GPIO3 25ff80aa57SRussell King 26ff80aa57SRussell King static int 27ff80aa57SRussell King jornada720_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, const socket_state_t *state) 28ff80aa57SRussell King { 29ff80aa57SRussell King struct sa1111_pcmcia_socket *s = to_skt(skt); 30ff80aa57SRussell King unsigned int pa_dwr_mask, pa_dwr_set; 31ff80aa57SRussell King int ret; 32ff80aa57SRussell King 33ff80aa57SRussell King printk(KERN_INFO "%s(): config socket %d vcc %d vpp %d\n", __func__, 34ff80aa57SRussell King skt->nr, state->Vcc, state->Vpp); 35ff80aa57SRussell King 36ff80aa57SRussell King switch (skt->nr) { 37ff80aa57SRussell King case 0: 38ff80aa57SRussell King pa_dwr_mask = SOCKET0_POWER | SOCKET0_3V; 39ff80aa57SRussell King 40ff80aa57SRussell King switch (state->Vcc) { 41ff80aa57SRussell King default: 42ff80aa57SRussell King case 0: 43ff80aa57SRussell King pa_dwr_set = 0; 44ff80aa57SRussell King break; 45ff80aa57SRussell King case 33: 46ff80aa57SRussell King pa_dwr_set = SOCKET0_POWER | SOCKET0_3V; 47ff80aa57SRussell King break; 48ff80aa57SRussell King case 50: 49ff80aa57SRussell King pa_dwr_set = SOCKET0_POWER; 50ff80aa57SRussell King break; 51ff80aa57SRussell King } 52ff80aa57SRussell King break; 53ff80aa57SRussell King 54ff80aa57SRussell King case 1: 55ff80aa57SRussell King pa_dwr_mask = SOCKET1_POWER; 56ff80aa57SRussell King 57ff80aa57SRussell King switch (state->Vcc) { 58ff80aa57SRussell King default: 59ff80aa57SRussell King case 0: 60ff80aa57SRussell King pa_dwr_set = 0; 61ff80aa57SRussell King break; 62ff80aa57SRussell King case 33: 63ff80aa57SRussell King pa_dwr_set = SOCKET1_POWER; 64ff80aa57SRussell King break; 65ff80aa57SRussell King case 50: 66ff80aa57SRussell King pa_dwr_set = SOCKET1_POWER; 67ff80aa57SRussell King break; 68ff80aa57SRussell King } 69ff80aa57SRussell King break; 70ff80aa57SRussell King 71ff80aa57SRussell King default: 72ff80aa57SRussell King return -1; 73ff80aa57SRussell King } 74ff80aa57SRussell King 75ff80aa57SRussell King if (state->Vpp != state->Vcc && state->Vpp != 0) { 76ff80aa57SRussell King printk(KERN_ERR "%s(): slot cannot support VPP %u\n", 77ff80aa57SRussell King __func__, state->Vpp); 78ff80aa57SRussell King return -EPERM; 79ff80aa57SRussell King } 80ff80aa57SRussell King 81ff80aa57SRussell King ret = sa1111_pcmcia_configure_socket(skt, state); 82ff80aa57SRussell King if (ret == 0) 83ff80aa57SRussell King sa1111_set_io(s->dev, pa_dwr_mask, pa_dwr_set); 84ff80aa57SRussell King 85ff80aa57SRussell King return ret; 86ff80aa57SRussell King } 87ff80aa57SRussell King 88ff80aa57SRussell King static struct pcmcia_low_level jornada720_pcmcia_ops = { 89ff80aa57SRussell King .owner = THIS_MODULE, 90ff80aa57SRussell King .configure_socket = jornada720_pcmcia_configure_socket, 91ff80aa57SRussell King .first = 0, 92ff80aa57SRussell King .nr = 2, 93ff80aa57SRussell King }; 94ff80aa57SRussell King 954bc9ef29SDmitry Eremin-Solenikov int pcmcia_jornada720_init(struct sa1111_dev *sadev) 96ff80aa57SRussell King { 97ff80aa57SRussell King unsigned int pin = GPIO_A0 | GPIO_A1 | GPIO_A2 | GPIO_A3; 98ff80aa57SRussell King 993f8df892SRussell King /* Fixme: why messing around with SA11x0's GPIO1? */ 100ff80aa57SRussell King GRER |= 0x00000002; 101ff80aa57SRussell King 102ff80aa57SRussell King /* Set GPIO_A<3:1> to be outputs for PCMCIA/CF power controller: */ 10358409f9dSArnd Bergmann sa1111_set_io_dir(sadev, pin, 0, 0); 10458409f9dSArnd Bergmann sa1111_set_io(sadev, pin, 0); 10558409f9dSArnd Bergmann sa1111_set_sleep_io(sadev, pin, 0); 106ff80aa57SRussell King 107ff80aa57SRussell King sa11xx_drv_pcmcia_ops(&jornada720_pcmcia_ops); 1083f8df892SRussell King return sa1111_pcmcia_add(sadev, &jornada720_pcmcia_ops, 109ff80aa57SRussell King sa11xx_drv_pcmcia_add_one); 110ff80aa57SRussell King } 111