diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-sunxi/dram_sun8i_h3.c | 88 |
1 files changed, 64 insertions, 24 deletions
diff --git a/arch/arm/mach-sunxi/dram_sun8i_h3.c b/arch/arm/mach-sunxi/dram_sun8i_h3.c index b08b8e6..8925446 100644 --- a/arch/arm/mach-sunxi/dram_sun8i_h3.c +++ b/arch/arm/mach-sunxi/dram_sun8i_h3.c @@ -94,6 +94,58 @@ static void mctl_dq_delay(u32 read, u32 write) udelay(1); } +enum { + MBUS_PORT_CPU = 0, + MBUS_PORT_GPU = 1, + MBUS_PORT_UNUSED = 2, + MBUS_PORT_DMA = 3, + MBUS_PORT_VE = 4, + MBUS_PORT_CSI = 5, + MBUS_PORT_NAND = 6, + MBUS_PORT_SS = 7, + MBUS_PORT_TS = 8, + MBUS_PORT_DI = 9, + MBUS_PORT_DE = 10, + MBUS_PORT_DE_CFD = 11, +}; + +enum { + MBUS_QOS_LOWEST = 0, + MBUS_QOS_LOW, + MBUS_QOS_HIGH, + MBUS_QOS_HIGHEST +}; + +inline void mbus_configure_port(u8 port, + bool bwlimit, + bool priority, + u8 qos, /* MBUS_QOS_LOWEST .. MBUS_QOS_HIGEST */ + u8 waittime, /* 0 .. 0xf */ + u8 acs, /* 0 .. 0xff */ + u16 bwl0, /* 0 .. 0xffff, bandwidth limit in MB/s */ + u16 bwl1, + u16 bwl2) +{ + struct sunxi_mctl_com_reg * const mctl_com = + (struct sunxi_mctl_com_reg *)SUNXI_DRAM_COM_BASE; + + const u32 cfg0 = ( (bwlimit ? (1 << 0) : 0) + | (priority ? (1 << 1) : 0) + | ((qos & 0x3) << 2) + | ((waittime & 0xf) << 4) + | ((acs & 0xff) << 8) + | (bwl0 << 16) ); + const u32 cfg1 = ((u32)bwl2 << 16) | (bwl1 & 0xffff); + + debug("MBUS port %d cfg0 %08x cfg1 %08x\n", port, cfg0, cfg1); + writel(cfg0, &mctl_com->mcr[port][0]); + writel(cfg1, &mctl_com->mcr[port][1]); +} + +#define MBUS_CONF(port, bwlimit, qos, acs, bwl0, bwl1, bwl2) \ + mbus_configure_port(MBUS_PORT_ ## port, bwlimit, false, \ + MBUS_QOS_ ## qos, 0, acs, bwl0, bwl1, bwl2) + static void mctl_set_master_priority(void) { struct sunxi_mctl_com_reg * const mctl_com = @@ -105,30 +157,18 @@ static void mctl_set_master_priority(void) /* set cpu high priority */ writel(0x00000001, &mctl_com->mapr); - writel(0x0200000d, &mctl_com->mcr[0][0]); - writel(0x00800100, &mctl_com->mcr[0][1]); - writel(0x06000009, &mctl_com->mcr[1][0]); - writel(0x01000400, &mctl_com->mcr[1][1]); - writel(0x0200000d, &mctl_com->mcr[2][0]); - writel(0x00600100, &mctl_com->mcr[2][1]); - writel(0x0100000d, &mctl_com->mcr[3][0]); - writel(0x00200080, &mctl_com->mcr[3][1]); - writel(0x07000009, &mctl_com->mcr[4][0]); - writel(0x01000640, &mctl_com->mcr[4][1]); - writel(0x0100000d, &mctl_com->mcr[5][0]); - writel(0x00200080, &mctl_com->mcr[5][1]); - writel(0x01000009, &mctl_com->mcr[6][0]); - writel(0x00400080, &mctl_com->mcr[6][1]); - writel(0x0100000d, &mctl_com->mcr[7][0]); - writel(0x00400080, &mctl_com->mcr[7][1]); - writel(0x0100000d, &mctl_com->mcr[8][0]); - writel(0x00400080, &mctl_com->mcr[8][1]); - writel(0x04000009, &mctl_com->mcr[9][0]); - writel(0x00400100, &mctl_com->mcr[9][1]); - writel(0x2000030d, &mctl_com->mcr[10][0]); - writel(0x04001800, &mctl_com->mcr[10][1]); - writel(0x04000009, &mctl_com->mcr[11][0]); - writel(0x00400120, &mctl_com->mcr[11][1]); + MBUS_CONF( CPU, true, HIGHEST, 0, 512, 256, 128); + MBUS_CONF( GPU, true, HIGH, 0, 1536, 1024, 256); + MBUS_CONF(UNUSED, true, HIGHEST, 0, 512, 256, 96); + MBUS_CONF( DMA, true, HIGHEST, 0, 256, 128, 32); + MBUS_CONF( VE, true, HIGH, 0, 1792, 1600, 256); + MBUS_CONF( CSI, true, HIGHEST, 0, 256, 128, 32); + MBUS_CONF( NAND, true, HIGH, 0, 256, 128, 64); + MBUS_CONF( SS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( TS, true, HIGHEST, 0, 256, 128, 64); + MBUS_CONF( DI, true, HIGH, 0, 1024, 256, 64); + MBUS_CONF( DE, true, HIGHEST, 3, 8192, 6120, 1024); + MBUS_CONF(DE_CFD, true, HIGH, 0, 1024, 288, 64); } static void mctl_set_timing_params(struct dram_para *para) |