diff options
| author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
|---|---|---|
| committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
| commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
| tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/mips/alchemy/devboards/pb1200 | |
| parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) | |
Diffstat (limited to 'arch/mips/alchemy/devboards/pb1200')
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1200/Makefile | 5 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1200/board_setup.c | 174 | ||||
| -rw-r--r-- | arch/mips/alchemy/devboards/pb1200/platform.c | 203 |
3 files changed, 382 insertions, 0 deletions
diff --git a/arch/mips/alchemy/devboards/pb1200/Makefile b/arch/mips/alchemy/devboards/pb1200/Makefile new file mode 100644 index 00000000000..18c1bd53e4c --- /dev/null +++ b/arch/mips/alchemy/devboards/pb1200/Makefile | |||
| @@ -0,0 +1,5 @@ | |||
| 1 | # | ||
| 2 | # Makefile for the Alchemy Semiconductor Pb1200/DBAu1200 boards. | ||
| 3 | # | ||
| 4 | |||
| 5 | obj-y := board_setup.o platform.o | ||
diff --git a/arch/mips/alchemy/devboards/pb1200/board_setup.c b/arch/mips/alchemy/devboards/pb1200/board_setup.c new file mode 100644 index 00000000000..6d06b07c238 --- /dev/null +++ b/arch/mips/alchemy/devboards/pb1200/board_setup.c | |||
| @@ -0,0 +1,174 @@ | |||
| 1 | /* | ||
| 2 | * | ||
| 3 | * BRIEF MODULE DESCRIPTION | ||
| 4 | * Alchemy Pb1200/Db1200 board setup. | ||
| 5 | * | ||
| 6 | * This program is free software; you can redistribute it and/or modify it | ||
| 7 | * under the terms of the GNU General Public License as published by the | ||
| 8 | * Free Software Foundation; either version 2 of the License, or (at your | ||
| 9 | * option) any later version. | ||
| 10 | * | ||
| 11 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED | ||
| 12 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | ||
| 13 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN | ||
| 14 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | ||
| 15 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 16 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF | ||
| 17 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON | ||
| 18 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| 19 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | ||
| 20 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 21 | * | ||
| 22 | * You should have received a copy of the GNU General Public License along | ||
| 23 | * with this program; if not, write to the Free Software Foundation, Inc., | ||
| 24 | * 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 25 | */ | ||
| 26 | |||
| 27 | #include <linux/init.h> | ||
| 28 | #include <linux/interrupt.h> | ||
| 29 | #include <linux/sched.h> | ||
| 30 | |||
| 31 | #include <asm/mach-au1x00/au1000.h> | ||
| 32 | #include <asm/mach-db1x00/bcsr.h> | ||
| 33 | |||
| 34 | #ifdef CONFIG_MIPS_PB1200 | ||
| 35 | #include <asm/mach-pb1x00/pb1200.h> | ||
| 36 | #endif | ||
| 37 | |||
| 38 | #ifdef CONFIG_MIPS_DB1200 | ||
| 39 | #include <asm/mach-db1x00/db1200.h> | ||
| 40 | #define PB1200_INT_BEGIN DB1200_INT_BEGIN | ||
| 41 | #define PB1200_INT_END DB1200_INT_END | ||
| 42 | #endif | ||
| 43 | |||
| 44 | #include <prom.h> | ||
| 45 | |||
| 46 | const char *get_system_type(void) | ||
| 47 | { | ||
| 48 | return "Alchemy Pb1200"; | ||
| 49 | } | ||
| 50 | |||
| 51 | void __init board_setup(void) | ||
| 52 | { | ||
| 53 | printk(KERN_INFO "AMD Alchemy Pb1200 Board\n"); | ||
| 54 | bcsr_init(PB1200_BCSR_PHYS_ADDR, | ||
| 55 | PB1200_BCSR_PHYS_ADDR + PB1200_BCSR_HEXLED_OFS); | ||
| 56 | |||
| 57 | #if 0 | ||
| 58 | { | ||
| 59 | u32 pin_func; | ||
| 60 | |||
| 61 | /* | ||
| 62 | * Enable PSC1 SYNC for AC97. Normaly done in audio driver, | ||
| 63 | * but it is board specific code, so put it here. | ||
| 64 | */ | ||
| 65 | pin_func = au_readl(SYS_PINFUNC); | ||
| 66 | au_sync(); | ||
| 67 | pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; | ||
| 68 | au_writel(pin_func, SYS_PINFUNC); | ||
| 69 | |||
| 70 | au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */ | ||
| 71 | au_sync(); | ||
| 72 | } | ||
| 73 | #endif | ||
| 74 | |||
| 75 | #if defined(CONFIG_I2C_AU1550) | ||
| 76 | { | ||
| 77 | u32 freq0, clksrc; | ||
| 78 | u32 pin_func; | ||
| 79 | |||
| 80 | /* Select SMBus in CPLD */ | ||
| 81 | bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC0MUX, 0); | ||
| 82 | |||
| 83 | pin_func = au_readl(SYS_PINFUNC); | ||
| 84 | au_sync(); | ||
| 85 | pin_func &= ~(SYS_PINFUNC_P0A | SYS_PINFUNC_P0B); | ||
| 86 | /* Set GPIOs correctly */ | ||
| 87 | pin_func |= 2 << 17; | ||
| 88 | au_writel(pin_func, SYS_PINFUNC); | ||
| 89 | au_sync(); | ||
| 90 | |||
| 91 | /* The I2C driver depends on 50 MHz clock */ | ||
| 92 | freq0 = au_readl(SYS_FREQCTRL0); | ||
| 93 | au_sync(); | ||
| 94 | freq0 &= ~(SYS_FC_FRDIV1_MASK | SYS_FC_FS1 | SYS_FC_FE1); | ||
| 95 | freq0 |= 3 << SYS_FC_FRDIV1_BIT; | ||
| 96 | /* 396 MHz / (3 + 1) * 2 == 49.5 MHz */ | ||
| 97 | au_writel(freq0, SYS_FREQCTRL0); | ||
| 98 | au_sync(); | ||
| 99 | freq0 |= SYS_FC_FE1; | ||
| 100 | au_writel(freq0, SYS_FREQCTRL0); | ||
| 101 | au_sync(); | ||
| 102 | |||
| 103 | clksrc = au_readl(SYS_CLKSRC); | ||
| 104 | au_sync(); | ||
| 105 | clksrc &= ~(SYS_CS_CE0 | SYS_CS_DE0 | SYS_CS_ME0_MASK); | ||
| 106 | /* Bit 22 is EXTCLK0 for PSC0 */ | ||
| 107 | clksrc |= SYS_CS_MUX_FQ1 << SYS_CS_ME0_BIT; | ||
| 108 | au_writel(clksrc, SYS_CLKSRC); | ||
| 109 | au_sync(); | ||
| 110 | } | ||
| 111 | #endif | ||
| 112 | |||
| 113 | /* | ||
| 114 | * The Pb1200 development board uses external MUX for PSC0 to | ||
| 115 | * support SMB/SPI. bcsr_resets bit 12: 0=SMB 1=SPI | ||
| 116 | */ | ||
| 117 | #ifdef CONFIG_I2C_AU1550 | ||
| 118 | bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC0MUX, 0); | ||
| 119 | #endif | ||
| 120 | au_sync(); | ||
| 121 | } | ||
| 122 | |||
| 123 | static int __init pb1200_init_irq(void) | ||
| 124 | { | ||
| 125 | /* We have a problem with CPLD rev 3. */ | ||
| 126 | if (BCSR_WHOAMI_CPLD(bcsr_read(BCSR_WHOAMI)) <= 3) { | ||
| 127 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 128 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 129 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 130 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 131 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 132 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 133 | printk(KERN_ERR "Pb1200 must be at CPLD rev 4. Please have Pb1200\n"); | ||
| 134 | printk(KERN_ERR "updated to latest revision. This software will\n"); | ||
| 135 | printk(KERN_ERR "not work on anything less than CPLD rev 4.\n"); | ||
| 136 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 137 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 138 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 139 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 140 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 141 | printk(KERN_ERR "WARNING!!!\n"); | ||
| 142 | panic("Game over. Your score is 0."); | ||
| 143 | } | ||
| 144 | |||
| 145 | irq_set_irq_type(AU1200_GPIO7_INT, IRQF_TRIGGER_LOW); | ||
| 146 | bcsr_init_irq(PB1200_INT_BEGIN, PB1200_INT_END, AU1200_GPIO7_INT); | ||
| 147 | |||
| 148 | return 0; | ||
| 149 | } | ||
| 150 | arch_initcall(pb1200_init_irq); | ||
| 151 | |||
| 152 | |||
| 153 | int board_au1200fb_panel(void) | ||
| 154 | { | ||
| 155 | return (bcsr_read(BCSR_SWITCHES) >> 8) & 0x0f; | ||
| 156 | } | ||
| 157 | |||
| 158 | int board_au1200fb_panel_init(void) | ||
| 159 | { | ||
| 160 | /* Apply power */ | ||
| 161 | bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | | ||
| 162 | BCSR_BOARD_LCDBL); | ||
| 163 | /* printk(KERN_DEBUG "board_au1200fb_panel_init()\n"); */ | ||
| 164 | return 0; | ||
| 165 | } | ||
| 166 | |||
| 167 | int board_au1200fb_panel_shutdown(void) | ||
| 168 | { | ||
| 169 | /* Remove power */ | ||
| 170 | bcsr_mod(BCSR_BOARD, BCSR_BOARD_LCDVEE | BCSR_BOARD_LCDVDD | | ||
| 171 | BCSR_BOARD_LCDBL, 0); | ||
| 172 | /* printk(KERN_DEBUG "board_au1200fb_panel_shutdown()\n"); */ | ||
| 173 | return 0; | ||
| 174 | } | ||
diff --git a/arch/mips/alchemy/devboards/pb1200/platform.c b/arch/mips/alchemy/devboards/pb1200/platform.c new file mode 100644 index 00000000000..3ef2dceeb79 --- /dev/null +++ b/arch/mips/alchemy/devboards/pb1200/platform.c | |||
| @@ -0,0 +1,203 @@ | |||
| 1 | /* | ||
| 2 | * Pb1200/DBAu1200 board platform device registration | ||
| 3 | * | ||
| 4 | * Copyright (C) 2008 MontaVista Software Inc. <source@mvista.com> | ||
| 5 | * | ||
| 6 | * This program is free software; you can redistribute it and/or modify | ||
| 7 | * it under the terms of the GNU General Public License as published by | ||
| 8 | * the Free Software Foundation; either version 2 of the License, or | ||
| 9 | * (at your option) any later version. | ||
| 10 | * | ||
| 11 | * This program is distributed in the hope that it will be useful, | ||
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 14 | * GNU General Public License for more details. | ||
| 15 | * | ||
| 16 | * You should have received a copy of the GNU General Public License | ||
| 17 | * along with this program; if not, write to the Free Software | ||
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 19 | */ | ||
| 20 | |||
| 21 | #include <linux/dma-mapping.h> | ||
| 22 | #include <linux/init.h> | ||
| 23 | #include <linux/leds.h> | ||
| 24 | #include <linux/platform_device.h> | ||
| 25 | #include <linux/smc91x.h> | ||
| 26 | |||
| 27 | #include <asm/mach-au1x00/au1xxx.h> | ||
| 28 | #include <asm/mach-au1x00/au1100_mmc.h> | ||
| 29 | #include <asm/mach-db1x00/bcsr.h> | ||
| 30 | |||
| 31 | #include "../platform.h" | ||
| 32 | |||
| 33 | static int mmc_activity; | ||
| 34 | |||
| 35 | static void pb1200mmc0_set_power(void *mmc_host, int state) | ||
| 36 | { | ||
| 37 | if (state) | ||
| 38 | bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD0PWR); | ||
| 39 | else | ||
| 40 | bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD0PWR, 0); | ||
| 41 | |||
| 42 | msleep(1); | ||
| 43 | } | ||
| 44 | |||
| 45 | static int pb1200mmc0_card_readonly(void *mmc_host) | ||
| 46 | { | ||
| 47 | return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD0WP) ? 1 : 0; | ||
| 48 | } | ||
| 49 | |||
| 50 | static int pb1200mmc0_card_inserted(void *mmc_host) | ||
| 51 | { | ||
| 52 | return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD0INSERT) ? 1 : 0; | ||
| 53 | } | ||
| 54 | |||
| 55 | static void pb1200_mmcled_set(struct led_classdev *led, | ||
| 56 | enum led_brightness brightness) | ||
| 57 | { | ||
| 58 | if (brightness != LED_OFF) { | ||
| 59 | if (++mmc_activity == 1) | ||
| 60 | bcsr_mod(BCSR_LEDS, BCSR_LEDS_LED0, 0); | ||
| 61 | } else { | ||
| 62 | if (--mmc_activity == 0) | ||
| 63 | bcsr_mod(BCSR_LEDS, 0, BCSR_LEDS_LED0); | ||
| 64 | } | ||
| 65 | } | ||
| 66 | |||
| 67 | static struct led_classdev pb1200mmc_led = { | ||
| 68 | .brightness_set = pb1200_mmcled_set, | ||
| 69 | }; | ||
| 70 | |||
| 71 | static void pb1200mmc1_set_power(void *mmc_host, int state) | ||
| 72 | { | ||
| 73 | if (state) | ||
| 74 | bcsr_mod(BCSR_BOARD, 0, BCSR_BOARD_SD1PWR); | ||
| 75 | else | ||
| 76 | bcsr_mod(BCSR_BOARD, BCSR_BOARD_SD1PWR, 0); | ||
| 77 | |||
| 78 | msleep(1); | ||
| 79 | } | ||
| 80 | |||
| 81 | static int pb1200mmc1_card_readonly(void *mmc_host) | ||
| 82 | { | ||
| 83 | return (bcsr_read(BCSR_STATUS) & BCSR_STATUS_SD1WP) ? 1 : 0; | ||
| 84 | } | ||
| 85 | |||
| 86 | static int pb1200mmc1_card_inserted(void *mmc_host) | ||
| 87 | { | ||
| 88 | return (bcsr_read(BCSR_SIGSTAT) & BCSR_INT_SD1INSERT) ? 1 : 0; | ||
| 89 | } | ||
| 90 | |||
| 91 | const struct au1xmmc_platform_data au1xmmc_platdata[2] = { | ||
| 92 | [0] = { | ||
| 93 | .set_power = pb1200mmc0_set_power, | ||
| 94 | .card_inserted = pb1200mmc0_card_inserted, | ||
| 95 | .card_readonly = pb1200mmc0_card_readonly, | ||
| 96 | .cd_setup = NULL, /* use poll-timer in driver */ | ||
| 97 | .led = &pb1200mmc_led, | ||
| 98 | }, | ||
| 99 | [1] = { | ||
| 100 | .set_power = pb1200mmc1_set_power, | ||
| 101 | .card_inserted = pb1200mmc1_card_inserted, | ||
| 102 | .card_readonly = pb1200mmc1_card_readonly, | ||
| 103 | .cd_setup = NULL, /* use poll-timer in driver */ | ||
| 104 | .led = &pb1200mmc_led, | ||
| 105 | }, | ||
| 106 | }; | ||
| 107 | |||
| 108 | static struct resource ide_resources[] = { | ||
| 109 | [0] = { | ||
| 110 | .start = IDE_PHYS_ADDR, | ||
| 111 | .end = IDE_PHYS_ADDR + IDE_PHYS_LEN - 1, | ||
| 112 | .flags = IORESOURCE_MEM | ||
| 113 | }, | ||
| 114 | [1] = { | ||
| 115 | .start = IDE_INT, | ||
| 116 | .end = IDE_INT, | ||
| 117 | .flags = IORESOURCE_IRQ | ||
| 118 | } | ||
| 119 | }; | ||
| 120 | |||
| 121 | static u64 ide_dmamask = DMA_BIT_MASK(32); | ||
| 122 | |||
| 123 | static struct platform_device ide_device = { | ||
| 124 | .name = "au1200-ide", | ||
| 125 | .id = 0, | ||
| 126 | .dev = { | ||
| 127 | .dma_mask = &ide_dmamask, | ||
| 128 | .coherent_dma_mask = DMA_BIT_MASK(32), | ||
| 129 | }, | ||
| 130 | .num_resources = ARRAY_SIZE(ide_resources), | ||
| 131 | .resource = ide_resources | ||
| 132 | }; | ||
| 133 | |||
| 134 | static struct smc91x_platdata smc_data = { | ||
| 135 | .flags = SMC91X_NOWAIT | SMC91X_USE_16BIT, | ||
| 136 | .leda = RPC_LED_100_10, | ||
| 137 | .ledb = RPC_LED_TX_RX, | ||
| 138 | }; | ||
| 139 | |||
| 140 | static struct resource smc91c111_resources[] = { | ||
| 141 | [0] = { | ||
| 142 | .name = "smc91x-regs", | ||
| 143 | .start = SMC91C111_PHYS_ADDR, | ||
| 144 | .end = SMC91C111_PHYS_ADDR + 0xf, | ||
| 145 | .flags = IORESOURCE_MEM | ||
| 146 | }, | ||
| 147 | [1] = { | ||
| 148 | .start = SMC91C111_INT, | ||
| 149 | .end = SMC91C111_INT, | ||
| 150 | .flags = IORESOURCE_IRQ | ||
| 151 | }, | ||
| 152 | }; | ||
| 153 | |||
| 154 | static struct platform_device smc91c111_device = { | ||
| 155 | .dev = { | ||
| 156 | .platform_data = &smc_data, | ||
| 157 | }, | ||
| 158 | .name = "smc91x", | ||
| 159 | .id = -1, | ||
| 160 | .num_resources = ARRAY_SIZE(smc91c111_resources), | ||
| 161 | .resource = smc91c111_resources | ||
| 162 | }; | ||
| 163 | |||
| 164 | static struct platform_device *board_platform_devices[] __initdata = { | ||
| 165 | &ide_device, | ||
| 166 | &smc91c111_device | ||
| 167 | }; | ||
| 168 | |||
| 169 | static int __init board_register_devices(void) | ||
| 170 | { | ||
| 171 | int swapped; | ||
| 172 | |||
| 173 | db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR, | ||
| 174 | PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1, | ||
| 175 | PCMCIA_MEM_PHYS_ADDR, | ||
| 176 | PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1, | ||
| 177 | PCMCIA_IO_PHYS_ADDR, | ||
| 178 | PCMCIA_IO_PHYS_ADDR + 0x000010000 - 1, | ||
| 179 | PB1200_PC0_INT, | ||
| 180 | PB1200_PC0_INSERT_INT, | ||
| 181 | /*PB1200_PC0_STSCHG_INT*/0, | ||
| 182 | PB1200_PC0_EJECT_INT, | ||
| 183 | 0); | ||
| 184 | |||
| 185 | db1x_register_pcmcia_socket(PCMCIA_ATTR_PHYS_ADDR + 0x008000000, | ||
| 186 | PCMCIA_ATTR_PHYS_ADDR + 0x008400000 - 1, | ||
| 187 | PCMCIA_MEM_PHYS_ADDR + 0x008000000, | ||
| 188 | PCMCIA_MEM_PHYS_ADDR + 0x008400000 - 1, | ||
| 189 | PCMCIA_IO_PHYS_ADDR + 0x008000000, | ||
| 190 | PCMCIA_IO_PHYS_ADDR + 0x008010000 - 1, | ||
| 191 | PB1200_PC1_INT, | ||
| 192 | PB1200_PC1_INSERT_INT, | ||
| 193 | /*PB1200_PC1_STSCHG_INT*/0, | ||
| 194 | PB1200_PC1_EJECT_INT, | ||
| 195 | 1); | ||
| 196 | |||
| 197 | swapped = bcsr_read(BCSR_STATUS) & BCSR_STATUS_DB1200_SWAPBOOT; | ||
| 198 | db1x_register_norflash(128 * 1024 * 1024, 2, swapped); | ||
| 199 | |||
| 200 | return platform_add_devices(board_platform_devices, | ||
| 201 | ARRAY_SIZE(board_platform_devices)); | ||
| 202 | } | ||
| 203 | device_initcall(board_register_devices); | ||
