From 23cc9b09c7b5d1d18432b2553e177aa61697b490 Mon Sep 17 00:00:00 2001 From: Patrick Georgi Date: Wed, 27 Jan 2016 08:19:36 +0100 Subject: via/cx700: Use zeroptr over 0 This eliminates all "ud2" instances from romstage disassembly. Change-Id: I3b0c8322a4ca4a851b0cce8f3941425d9cb30383 Signed-off-by: Patrick Georgi Reviewed-on: https://review.coreboot.org/13488 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth --- src/northbridge/via/cx700/raminit.c | 84 ++++++++++++++++++------------------- 1 file changed, 42 insertions(+), 42 deletions(-) (limited to 'src/northbridge') diff --git a/src/northbridge/via/cx700/raminit.c b/src/northbridge/via/cx700/raminit.c index 249f265376..2016a87e2f 100644 --- a/src/northbridge/via/cx700/raminit.c +++ b/src/northbridge/via/cx700/raminit.c @@ -989,7 +989,7 @@ static void step_2_19(const struct mem_controller *ctrl) // Step 4 printk(BIOS_SPEW, "SEND: "); - read32((void *)0); + read32(zeroptr); printk(BIOS_SPEW, "OK\n"); // Step 5 @@ -1001,7 +1001,7 @@ static void step_2_19(const struct mem_controller *ctrl) // Step 7 printk(BIOS_SPEW, "SEND: "); - read32((void *)0); + read32(zeroptr); printk(BIOS_SPEW, "OK\n"); /* Step 8. Mode register set. */ @@ -1029,7 +1029,7 @@ static void step_2_19(const struct mem_controller *ctrl) // Step 12 printk(BIOS_SPEW, "SEND: "); - read32((u32 *)0x0); + read32(zeroptr); printk(BIOS_SPEW, "OK\n"); /* Step 13. Perform 8 refresh cycles. Wait tRC each time. */ @@ -1040,7 +1040,7 @@ static void step_2_19(const struct mem_controller *ctrl) // Step 16: Repeat Step 14 and 15 another 7 times for (i = 0; i < 8; i++) { // Step 14 - read32((u32 *)0); + read32(zeroptr); printk(BIOS_SPEW, "."); // Step 15 @@ -1127,45 +1127,45 @@ static void sdram_calc_size(const struct mem_controller *ctrl, u8 num) u8 ca, ra, ba, reg; ba = pci_read_config8(PCI_DEV(0, 0, 4), SCRATCH_FLAGS); if (ba == 8) { - write8((void *)0, 0x0d); - ra = read8((void *)0); + write8(zeroptr, 0x0d); + ra = read8(zeroptr); write8((void *)(1 << SDRAM1X_RA_12_8bk), 0x0c); - ra = read8((void *)0); + ra = read8(zeroptr); - write8((void *)0, 0x0a); - ca = read8((void *)0); + write8(zeroptr, 0x0a); + ca = read8(zeroptr); write8((void *)(1 << SDRAM1X_CA_09_8bk), 0x0c); - ca = read8((void *)0); + ca = read8(zeroptr); - write8((void *)0, 0x03); - ba = read8((void *)0); + write8(zeroptr, 0x03); + ba = read8(zeroptr); write8((void *)(1 << SDRAM1X_BA2_8bk), 0x02); - ba = read8((void *)0); + ba = read8(zeroptr); write8((void *)(1 << SDRAM1X_BA1_8bk), 0x01); - ba = read8((void *)0); + ba = read8(zeroptr); } else { - write8((void *)0, 0x0f); - ra = read8((void *)0); + write8(zeroptr, 0x0f); + ra = read8(zeroptr); write8((void *)(1 << SDRAM1X_RA_14), 0x0e); - ra = read8((void *)0); + ra = read8(zeroptr); write8((void *)(1 << SDRAM1X_RA_13), 0x0d); - ra = read8((void *)0); + ra = read8(zeroptr); write8((void *)(1 << SDRAM1X_RA_12), 0x0c); - ra = read8((void *)0); + ra = read8(zeroptr); - write8((void *)0, 0x0c); - ca = read8((void *)0); + write8(zeroptr, 0x0c); + ca = read8(zeroptr); write8((void *)(1 << SDRAM1X_CA_12), 0x0b); - ca = read8((void *)0); + ca = read8(zeroptr); write8((void *)(1 << SDRAM1X_CA_11), 0x0a); - ca = read8((void *)0); + ca = read8(zeroptr); write8((void *)(1 << SDRAM1X_CA_09), 0x09); - ca = read8((void *)0); + ca = read8(zeroptr); - write8((void *)0, 0x02); - ba = read8((void *)0); + write8(zeroptr, 0x02); + ba = read8(zeroptr); write8((void *)(1 << SDRAM1X_BA1), 0x01); - ba = read8((void *)0); + ba = read8(zeroptr); } if (ra < 10 || ra > 15) @@ -1271,17 +1271,17 @@ static void sdram_enable(const struct mem_controller *ctrl) if (reg8) { sdram_set_vr(ctrl, i); sdram_ending_addr(ctrl, i); - write32((void *)0, 0x55555555); + write32(zeroptr, 0x55555555); write32((void *)4, 0x55555555); udelay(15); - if (read32((void *)0) != 0x55555555) + if (read32(zeroptr) != 0x55555555) break; if (read32((void *)4) != 0x55555555) break; - write32((void *)0, 0xaaaaaaaa); + write32(zeroptr, 0xaaaaaaaa); write32((void *)4, 0xaaaaaaaa); udelay(15); - if (read32((void *)0) != 0xaaaaaaaa) + if (read32(zeroptr) != 0xaaaaaaaa) break; if (read32((void *)4) != 0xaaaaaaaa) break; @@ -1304,17 +1304,17 @@ static void sdram_enable(const struct mem_controller *ctrl) sdram_set_vr(ctrl, i); sdram_ending_addr(ctrl, i); - write32((void *)0, 0x55555555); + write32(zeroptr, 0x55555555); write32((void *)4, 0x55555555); udelay(15); - if (read32((void *)0) != 0x55555555) + if (read32(zeroptr) != 0x55555555) break; if (read32((void *)4) != 0x55555555) break; - write32((void *)0, 0xaaaaaaaa); + write32(zeroptr, 0xaaaaaaaa); write32((void *)4, 0xaaaaaaaa); udelay(15); - if (read32((void *)0) != 0xaaaaaaaa) + if (read32(zeroptr) != 0xaaaaaaaa) break; if (read32((void *)4) != 0xaaaaaaaa) break; @@ -1358,17 +1358,17 @@ static void sdram_enable(const struct mem_controller *ctrl) sdram_set_vr(ctrl, i); sdram_ending_addr(ctrl, i); if (reg8 == 4) { - write8((void *)0, 0x02); - val = read8((void *)0); + write8(zeroptr, 0x02); + val = read8(zeroptr); write8((void *)(1 << SDRAM1X_BA1), 0x01); - val = read8((void *)0); + val = read8(zeroptr); } else { - write8((void *)0, 0x03); - val = read8((void *)0); + write8(zeroptr, 0x03); + val = read8(zeroptr); write8((void *)(1 << SDRAM1X_BA2_8bk), 0x02); - val = read8((void *)0); + val = read8(zeroptr); write8((void *)(1 << SDRAM1X_BA1_8bk), 0x01); - val = read8((void *)0); + val = read8(zeroptr); } if (val < dl) dl = val; -- cgit v1.2.3