| /* |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| * |
| * Copyright (C) 2012 Jonas Gorski <jonas.gorski@gmail.com> |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/export.h> |
| #include <linux/mutex.h> |
| #include <linux/err.h> |
| #include <linux/clk.h> |
| #include <linux/delay.h> |
| #include <bcm63xx_cpu.h> |
| #include <bcm63xx_io.h> |
| #include <bcm63xx_regs.h> |
| #include <bcm63xx_reset.h> |
| |
| #define __GEN_RESET_BITS_TABLE(__cpu) \ |
| [BCM63XX_RESET_SPI] = BCM## __cpu ##_RESET_SPI, \ |
| [BCM63XX_RESET_ENET] = BCM## __cpu ##_RESET_ENET, \ |
| [BCM63XX_RESET_USBH] = BCM## __cpu ##_RESET_USBH, \ |
| [BCM63XX_RESET_USBD] = BCM## __cpu ##_RESET_USBD, \ |
| [BCM63XX_RESET_DSL] = BCM## __cpu ##_RESET_DSL, \ |
| [BCM63XX_RESET_SAR] = BCM## __cpu ##_RESET_SAR, \ |
| [BCM63XX_RESET_EPHY] = BCM## __cpu ##_RESET_EPHY, \ |
| [BCM63XX_RESET_ENETSW] = BCM## __cpu ##_RESET_ENETSW, \ |
| [BCM63XX_RESET_PCM] = BCM## __cpu ##_RESET_PCM, \ |
| [BCM63XX_RESET_MPI] = BCM## __cpu ##_RESET_MPI, \ |
| [BCM63XX_RESET_PCIE] = BCM## __cpu ##_RESET_PCIE, \ |
| [BCM63XX_RESET_PCIE_EXT] = BCM## __cpu ##_RESET_PCIE_EXT, |
| |
| #define BCM3368_RESET_SPI SOFTRESET_3368_SPI_MASK |
| #define BCM3368_RESET_ENET SOFTRESET_3368_ENET_MASK |
| #define BCM3368_RESET_USBH 0 |
| #define BCM3368_RESET_USBD SOFTRESET_3368_USBS_MASK |
| #define BCM3368_RESET_DSL 0 |
| #define BCM3368_RESET_SAR 0 |
| #define BCM3368_RESET_EPHY SOFTRESET_3368_EPHY_MASK |
| #define BCM3368_RESET_ENETSW 0 |
| #define BCM3368_RESET_PCM SOFTRESET_3368_PCM_MASK |
| #define BCM3368_RESET_MPI SOFTRESET_3368_MPI_MASK |
| #define BCM3368_RESET_PCIE 0 |
| #define BCM3368_RESET_PCIE_EXT 0 |
| |
| #define BCM6328_RESET_SPI SOFTRESET_6328_SPI_MASK |
| #define BCM6328_RESET_ENET 0 |
| #define BCM6328_RESET_USBH SOFTRESET_6328_USBH_MASK |
| #define BCM6328_RESET_USBD SOFTRESET_6328_USBS_MASK |
| #define BCM6328_RESET_DSL 0 |
| #define BCM6328_RESET_SAR SOFTRESET_6328_SAR_MASK |
| #define BCM6328_RESET_EPHY SOFTRESET_6328_EPHY_MASK |
| #define BCM6328_RESET_ENETSW SOFTRESET_6328_ENETSW_MASK |
| #define BCM6328_RESET_PCM SOFTRESET_6328_PCM_MASK |
| #define BCM6328_RESET_MPI 0 |
| #define BCM6328_RESET_PCIE \ |
| (SOFTRESET_6328_PCIE_MASK | \ |
| SOFTRESET_6328_PCIE_CORE_MASK | \ |
| SOFTRESET_6328_PCIE_HARD_MASK) |
| #define BCM6328_RESET_PCIE_EXT SOFTRESET_6328_PCIE_EXT_MASK |
| |
| #define BCM6338_RESET_SPI SOFTRESET_6338_SPI_MASK |
| #define BCM6338_RESET_ENET SOFTRESET_6338_ENET_MASK |
| #define BCM6338_RESET_USBH SOFTRESET_6338_USBH_MASK |
| #define BCM6338_RESET_USBD SOFTRESET_6338_USBS_MASK |
| #define BCM6338_RESET_DSL SOFTRESET_6338_ADSL_MASK |
| #define BCM6338_RESET_SAR SOFTRESET_6338_SAR_MASK |
| #define BCM6338_RESET_EPHY 0 |
| #define BCM6338_RESET_ENETSW 0 |
| #define BCM6338_RESET_PCM 0 |
| #define BCM6338_RESET_MPI 0 |
| #define BCM6338_RESET_PCIE 0 |
| #define BCM6338_RESET_PCIE_EXT 0 |
| |
| #define BCM6348_RESET_SPI SOFTRESET_6348_SPI_MASK |
| #define BCM6348_RESET_ENET SOFTRESET_6348_ENET_MASK |
| #define BCM6348_RESET_USBH SOFTRESET_6348_USBH_MASK |
| #define BCM6348_RESET_USBD SOFTRESET_6348_USBS_MASK |
| #define BCM6348_RESET_DSL SOFTRESET_6348_ADSL_MASK |
| #define BCM6348_RESET_SAR SOFTRESET_6348_SAR_MASK |
| #define BCM6348_RESET_EPHY 0 |
| #define BCM6348_RESET_ENETSW 0 |
| #define BCM6348_RESET_PCM 0 |
| #define BCM6348_RESET_MPI 0 |
| #define BCM6348_RESET_PCIE 0 |
| #define BCM6348_RESET_PCIE_EXT 0 |
| |
| #define BCM6358_RESET_SPI SOFTRESET_6358_SPI_MASK |
| #define BCM6358_RESET_ENET SOFTRESET_6358_ENET_MASK |
| #define BCM6358_RESET_USBH SOFTRESET_6358_USBH_MASK |
| #define BCM6358_RESET_USBD 0 |
| #define BCM6358_RESET_DSL SOFTRESET_6358_ADSL_MASK |
| #define BCM6358_RESET_SAR SOFTRESET_6358_SAR_MASK |
| #define BCM6358_RESET_EPHY SOFTRESET_6358_EPHY_MASK |
| #define BCM6358_RESET_ENETSW 0 |
| #define BCM6358_RESET_PCM SOFTRESET_6358_PCM_MASK |
| #define BCM6358_RESET_MPI SOFTRESET_6358_MPI_MASK |
| #define BCM6358_RESET_PCIE 0 |
| #define BCM6358_RESET_PCIE_EXT 0 |
| |
| #define BCM6362_RESET_SPI SOFTRESET_6362_SPI_MASK |
| #define BCM6362_RESET_ENET 0 |
| #define BCM6362_RESET_USBH SOFTRESET_6362_USBH_MASK |
| #define BCM6362_RESET_USBD SOFTRESET_6362_USBS_MASK |
| #define BCM6362_RESET_DSL 0 |
| #define BCM6362_RESET_SAR SOFTRESET_6362_SAR_MASK |
| #define BCM6362_RESET_EPHY SOFTRESET_6362_EPHY_MASK |
| #define BCM6362_RESET_ENETSW SOFTRESET_6362_ENETSW_MASK |
| #define BCM6362_RESET_PCM SOFTRESET_6362_PCM_MASK |
| #define BCM6362_RESET_MPI 0 |
| #define BCM6362_RESET_PCIE (SOFTRESET_6362_PCIE_MASK | \ |
| SOFTRESET_6362_PCIE_CORE_MASK) |
| #define BCM6362_RESET_PCIE_EXT SOFTRESET_6362_PCIE_EXT_MASK |
| |
| #define BCM6368_RESET_SPI SOFTRESET_6368_SPI_MASK |
| #define BCM6368_RESET_ENET 0 |
| #define BCM6368_RESET_USBH SOFTRESET_6368_USBH_MASK |
| #define BCM6368_RESET_USBD SOFTRESET_6368_USBS_MASK |
| #define BCM6368_RESET_DSL 0 |
| #define BCM6368_RESET_SAR SOFTRESET_6368_SAR_MASK |
| #define BCM6368_RESET_EPHY SOFTRESET_6368_EPHY_MASK |
| #define BCM6368_RESET_ENETSW SOFTRESET_6368_ENETSW_MASK |
| #define BCM6368_RESET_PCM SOFTRESET_6368_PCM_MASK |
| #define BCM6368_RESET_MPI SOFTRESET_6368_MPI_MASK |
| #define BCM6368_RESET_PCIE 0 |
| #define BCM6368_RESET_PCIE_EXT 0 |
| |
| /* |
| * core reset bits |
| */ |
| static const u32 bcm3368_reset_bits[] = { |
| __GEN_RESET_BITS_TABLE(3368) |
| }; |
| |
| static const u32 bcm6328_reset_bits[] = { |
| __GEN_RESET_BITS_TABLE(6328) |
| }; |
| |
| static const u32 bcm6338_reset_bits[] = { |
| __GEN_RESET_BITS_TABLE(6338) |
| }; |
| |
| static const u32 bcm6348_reset_bits[] = { |
| __GEN_RESET_BITS_TABLE(6348) |
| }; |
| |
| static const u32 bcm6358_reset_bits[] = { |
| __GEN_RESET_BITS_TABLE(6358) |
| }; |
| |
| static const u32 bcm6362_reset_bits[] = { |
| __GEN_RESET_BITS_TABLE(6362) |
| }; |
| |
| static const u32 bcm6368_reset_bits[] = { |
| __GEN_RESET_BITS_TABLE(6368) |
| }; |
| |
| const u32 *bcm63xx_reset_bits; |
| static int reset_reg; |
| |
| static int __init bcm63xx_reset_bits_init(void) |
| { |
| if (BCMCPU_IS_3368()) { |
| reset_reg = PERF_SOFTRESET_6358_REG; |
| bcm63xx_reset_bits = bcm3368_reset_bits; |
| } else if (BCMCPU_IS_6328()) { |
| reset_reg = PERF_SOFTRESET_6328_REG; |
| bcm63xx_reset_bits = bcm6328_reset_bits; |
| } else if (BCMCPU_IS_6338()) { |
| reset_reg = PERF_SOFTRESET_REG; |
| bcm63xx_reset_bits = bcm6338_reset_bits; |
| } else if (BCMCPU_IS_6348()) { |
| reset_reg = PERF_SOFTRESET_REG; |
| bcm63xx_reset_bits = bcm6348_reset_bits; |
| } else if (BCMCPU_IS_6358()) { |
| reset_reg = PERF_SOFTRESET_6358_REG; |
| bcm63xx_reset_bits = bcm6358_reset_bits; |
| } else if (BCMCPU_IS_6362()) { |
| reset_reg = PERF_SOFTRESET_6362_REG; |
| bcm63xx_reset_bits = bcm6362_reset_bits; |
| } else if (BCMCPU_IS_6368()) { |
| reset_reg = PERF_SOFTRESET_6368_REG; |
| bcm63xx_reset_bits = bcm6368_reset_bits; |
| } |
| |
| return 0; |
| } |
| |
| static DEFINE_SPINLOCK(reset_mutex); |
| |
| static void __bcm63xx_core_set_reset(u32 mask, int enable) |
| { |
| unsigned long flags; |
| u32 val; |
| |
| if (!mask) |
| return; |
| |
| spin_lock_irqsave(&reset_mutex, flags); |
| val = bcm_perf_readl(reset_reg); |
| |
| if (enable) |
| val &= ~mask; |
| else |
| val |= mask; |
| |
| bcm_perf_writel(val, reset_reg); |
| spin_unlock_irqrestore(&reset_mutex, flags); |
| } |
| |
| void bcm63xx_core_set_reset(enum bcm63xx_core_reset core, int reset) |
| { |
| __bcm63xx_core_set_reset(bcm63xx_reset_bits[core], reset); |
| } |
| EXPORT_SYMBOL(bcm63xx_core_set_reset); |
| |
| postcore_initcall(bcm63xx_reset_bits_init); |